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ICS 73. 133. 2CwwW.bzxz.Net
Preparation No.: 15478—2005
Coal Industry Standard of the People's Republic of China
MT 26—2004
Generation MT2--19
2004-12-14 Issued
Model mining lamp
Modelkscaplamp
2005-06-01 Implementation
National Development and Reform Commission
Numerical introduction documents
Product classification
Testing party
Inspection rules
Marking, packaging, transportation, screening and storage
MI26—204
MT26—2004
Sections 4 and 7.7 of this standard are mandatory. The rest are recommended. This standard is a revision of the MT26-1998K5 mining lamp. This standard replaces the MT26-199KKS mining lamp. Compared with M26-8, the main changes of this standard are as follows: Product number compilation has been increased (3.2 of the 1998 version; 3.2 of this version); Requirements and test methods for light sources have been added (see 4.4 and 4.14); Requirements and test methods for short-circuit protection covers have been added (see 4.15 and 5.15); Product condition data have been adjusted (Table 1 of the 1998 version); Battery safety and test methods have been adjusted (4.8 and 5.9 of the 1998 version; 4.11 and 5.12 of this version); Requirements and test methods for mining lamps have been adjusted (4.11.5. of the 1998 version; 4.11.7 of this version); 3.12 of this version has been adjusted The requirements and test methods of electrical equipment are modified (4.12, 5.13 of the 1998 edition; 4.11, 5.13 of the 4th edition); the factory inspection and test tables are modified (Table 2 of the 1998 edition, Table 3 of this edition, Table 2 and Table 3). The annotations are proposed by the Science and Technology Development Department of the China Coal Industry Association: This standard introduces the standardized technical tables for coal industry special equipment. The starting units of this standard are the Shihai Branch of the China Coal Research Institute, Kuanyang Code, Nanyuguang Gold Lead Factory, Meishan Mine Lamp Factory, Chengdu Mine Lamp Factory, and the main beneficiaries of this standard are: Xu Xueyi, Yue Jianzhong, Gan Caiyun, Ling Kangfeng, Zhuan Lihua, Huang Qingguang, and Luo Wensheng. This standard was first issued in June 1975, the first revision in August 1985, and the second revision in January 1998. The third revision in July.
1 Standard National
MT26-20C4
This standard covers the product classification, requirements, test methods, inspection rules, technology, packaging, transportation and other aspects of KS type expansion. This standard is: KS single dose\ (hereinafter referred to as the expansion lamp). 2 Normative reference documents
The clauses in the following documents are used through the promotion of this standard and become the clauses of this standard. For all referenced documents with a date, all subsequent complete versions (excluding the revised version) are not applicable to this standard. However, all parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all other referenced documents without a date, their latest versions are applicable to this standard. GB191 Packaging and Transportation Pictorial Marking||tt| |(L/T282930G2 Periodic inspection plan and table for testing the stability of over-charge)7957.2003 General requirements for safety performance of mining lamps (e1ECS2013-1.19GBS.1 General provisions for instruction manual of industrial products
H6/T2632 Battery brake acyl acid
B/T10053 Aluminum acid required TV H water
M/154.6 Expansion of safety lamp type compilation method MT333 Lamp short-circuit protection device
MT911 Mining lamp bulb
3 Product classification
3.1 Product type
The mining lamp is portable, with H lamp holder, electric seam and lead-acid battery pack. At least 2 sources are installed in the lamp holder, and the lamp holder is mainly used for mining safety.
3.2 Product model system
The product model is compiled in accordance with the provisions of MT/T154.4:
Maintenance-free
Preferred filament
Battery model Rated capacity 8A
Lead-type battery
4 Requirements
4.1 Product specifications
4.1.1 The basic function of the product shall comply with the provisions of Table 1 of MT 26-2004.
Rated capacity
Standard voltage
Lighting time
Basic parameters of the product
Light port (main power source)
Rated current
Rated current
Tiger adjustment salt
Quantity source (distance 1
at 300
For products with rated capacity less than ?A, except for the rated current of the lamp, all other parameters shall comply with the provisions of Table 1 for products with rated capacity of 7Ah. 1.3 For products with rated capacity of 12Ah, the basic parameters shall not exceed the provisions of 12Ah products. 4.1.4 For products with LED light source, except for the rated current and luminous flux of the light source, other parameters shall comply with the provisions of Table 1. 4.2 The manufacturing of mining lamps shall comply with the requirements of this standard and be made according to the drawings and technical documents approved by the prescribed procedures. 4.3 Safety performance The safety performance of mining lamps shall comply with the provisions of GB795?2003. 4.4 Light source At least 2 light sources shall be set in the lamp holder, and the luminous flux of the main light source shall be as specified in Table 1. The power should not be less than 1W: When using LED light source as auxiliary light source: The power should not be less than 0.1W4.5 Appearance and assembly quality
The appearance should be flat, smooth, and free of defects + All parts should be positioned and assembled, reliable, and should not be loose; The rotating parts should be able to rotate flexibly, have good contact, and be able to rotate axially, requiring less maintenance. The mining lamp battery should have a clear and visible structure, and the maintenance-free mining lamp battery should be equipped with an exhaust.
4.6 Automatic power-off device
The lamp head with automatic power-off device should be able to withstand the tests of 5.3 and 5.11. 4.7 Charging system
The charging contact points of the mining lamp should be in good contact: to ensure normal charging. 4. Daily battery polarity
The working load of the battery should be guaranteed The polarity should match the polarity mark on the battery cell. 4. Air tightness of battery
When the temperature is about 60℃ and the internal pressure of the battery is 2CkI, it should not be full of air. When the internal pressure of the battery is 60kPm, there should be no leakage.
4.10 Battery capacity
The battery capacity is expressed in 10A rated capacity (Ah). The actual discharge condition should reach the rated capacity during the first discharge test: The rated capacity (A) is specified in the table. The discharge condition is: the current is (2±5)C, the discharge current is 10 (A), and the discharge is until the voltage of any single cell increases by 1.75V. When the terminal voltage of the single cell is measured by the structural limiting method, the discharge is until the terminal voltage of the battery is 3.50V. ：
4.11 Battery tightness
4.11.1 The battery does not need to be drained during charging. 4.11.2 When the battery is left standing or turned upside down, the electrolyte must not be drained. 4.12 Temperature
The temperature at the beginning and end of the lighting of the mining lamp should comply with the provisions of the second standard. 4.13 The intensity of the mining lamp
MT26—2004
After the jump test specified in 5.12, no leakage, loose parts and damage that endangers the safety performance should be found. At least one light should be able to work normally.
4.14 The electric fixing device
After the continuous extension test specified in 13, no electric filter pull-out, wire breakage, mechanical deformation and head loosening should be found. 4.15 Short-circuit protection table
The short-circuit protection device shall comply with the provisions of M-3. The short-circuit protection device shall be disconnected within 100m5 when passing 3 times the rated voltage. The circuit shall be cut off within 158 when the short-circuit protection device is in short circuit. 4.16 Battery gas emission
The battery gas emission of a single battery shall not be greater than 31A1. The battery gas emission of a single battery shall not be less than 7.5mI/Al.
4.17 Battery exhaust valve
When the battery of the maintenance-free mining lamp is tested according to 5.17, it shall be opened and closed as needed within the range of 1-kPa. 4.18 Battery life
If the life of the bulb is less than 500 charge and discharge cycles, the battery life of the maintenance-free mining lamp shall not be less than 1 charge and discharge cycle. 4.19 Battery shelf life
Starting from the date of production, the effective shelf life of batteries without electrolyte is 2 years, and the effective shelf life of batteries without maintenance and electrolyte is half a year. During the shelf life, the capacity should meet the requirements of 1.1C. 5 Test methods
5.1 Test instruments and requirements
5.1.1 DC voltmeter
The accuracy of the screening is not less than 0.5 level.
5.1.2. DC ammeter
accuracy not less than 0.5 grade
5.1.3 Thermometer
division value not greater than 1%:
5.1.4 Density meter
accuracy not less than 0.005R/cndivision value not greater than 3.005g/cm. 5.1.5 Clock
accuracy not less than ...! /h should be divided according to the time, minute and second, 5.1.6 Pressure gauge
accuracy not less than u4 grade centimeters and range not greater than 2P2 0.25MFa 5.1.7 Temperature meter
accuracy not less than ±4% (full scale)
5.2 Appearance and matching quality inspection
understand and daily inspection.
MT 26—2004
5.3 Automatic new power inspection
Connect the 4V mining lamp on the upper part of the mining lamp to the power supply of the mining lamp, light the lamp, bake the bulb, use half a bag of ten lamps and the center of the lamp to loosen it 3~ times. After the loosening, the power is turned off immediately. 5.4 Power system inspection
Connect the upper part of the mining lamp to the 4V mining lamp power supply 1, and connect the charging contacts of the mining lamp to the DC power supply. The positive current is discharged from the lamp.
5.5 Check the battery polarity
Check it at night or during the day,
E. Airtightness inspection of battery at room temperature
Under the charging temperature, keep the air ventilated to the air. The pressure will not drop unless it reaches 2A. The air intake is only maintained for 3~9A.
5.7 Heat-resistance and air-tightness test of lightning battery
Put the battery under the condition of 63℃ for 5 minutes and check its air-tightness within 5 minutes. After the test, cool it to 37℃ and keep it at 30℃ for 6 minutes. Take it out and check its air-tightness within 5 minutes. 5.E Battery Quality Test
5.8.1 The sulfuric acid used for preparing electrolyte shall comply with the provisions of HG292 and the provisions of 1B/T10033. 5.8.2 The battery is injected with electrolyte of the concentration and number specified in the product manual and then left to stand for 2-4h before charging. The initial charge uses 1mA of water for continuous charging. The battery needs to be charged once. Charging system bundle, tree extension chain density original ￥01.283±0,010)xr(30)
three, can also be long-term operation benefit charging, with grid liquid out! The low maintenance mining lamp battery and maintenance-free code backup battery reverse look power generation, the light with the electric heat continuous wave barrier two single battery terminal voltage 1. or the normal power of the battery 3. Proof V stop, set the power density cycle times not counted
5.E. In the subsequent charge and discharge cycles, the rated voltage is 5.0c-v. The charging voltage is 12h. The charging voltage is 5.0c-v. The charging voltage is 12h. The charging voltage is 5.0c-v. The charging voltage is 12h. The charging voltage is 5.0c-v. The charging voltage is 12h. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. The charging voltage is 5.0c-v. --30)
1. The effective discharge time of a battery is measured in hours (μh): -1 micron: The effective discharge time of a battery is measured in microseconds: -1 micron: The effective discharge time of a battery is measured in microseconds: -1 micron: The temperature coefficient is U.08 (°C). The capacity of the battery at the standard temperature of 5CY is calculated based on C (5°C): 12. = x 2
Battery capacity, single control ampere-hour (Ab!
[a—discharge current value. Single signal is ampere (A5.3.6 The ambient temperature during the test is +5
5.9 Battery tightness test
According to the test method specified in GB79.17-2003. ()
5.10 Illuminance test
MT 26-204
, after the miner's lamp is connected to the fixed charger, let it stand for 1h, and the lamp head is overlapped on the special general box port (the case in the dark box is black and lightless). Stick the receiver of the illuminator to the other port, and measure the maximum illuminance at the beginning of lighting and 11h of lighting: see Figure 1. Illuminance receiving diagram
Figure 1 Illuminance test dark box display
5. 11 Automatic power-off positive filter test
The bulb will be lit, and the bulb will go out. Press the light panel to close the glass and close the glass for 553 times. Each time the lamp changes, the power should be turned off immediately. 5.t2 Connection test
or the test method specified in GH7?230: 5.12 Cable pull test
According to the test method specified in GB707-2065.13 5.14 Bulb luminous flux test
According to the test and judgment specified in MTS1i. 5.15 Circuit protection performance test
According to the provisions of MT395, the gas release test of the battery
5.16 Battery gas release test
5.16.1 If the test in 5.8 is qualified, the battery can be used without protection. The reverse current of J is output to 4.50V or the terminal voltage of one single cell is moved to 1. 5.16.2 When testing the capacity, use a battery with a constant voltage to charge for 12 hours and collect the gas discharged from the battery during the charging period. 5.16.3 Perform the test for at least 2 times. When the gas volume measured twice is within 10% of the pressure, take the higher value. 5.16.4 The ambient temperature during the test is (2 °C). 5.16.5: The gas collection device for the monthly discharge gas method is shown in Figure 2. Commercial || tt || 5.17 Storage Battery exhaust test
Falling battery
Figure 2 Gas collection diagram
5.17.1 Submerge the sample battery in water, and gradually reduce the air pressure after heating the battery. Measure the pressure when the valve is closed. (-02)
The monomer is filled with air at a rate of 0.2L/mn. Measure the pressure when the valve is opened. MT26-2004
5.17.2 The ring image during the test is mixed 4(23±>. 5. 18 Battery test
5.13.1 Firstly carry out capacity test according to the provisions of 5.3. Qualified pieces can enter life test. The maximum capacity test is the total remaining capacity within the cycle.
5.13.2 Carry out charge and discharge cycles according to the following requirements: Charge at the specified charging point (5.W = 0.1) for 12 hours, let stand for 1.2 hours, then discharge at the specified current within the range specified in the table for 11 hours or until the voltage of any single piece reaches 1.75V. The light of the battery terminal is 3.52? less, the charging voltage of the maintenance-free mining lamp battery is 4.13.3. When the battery life test is carried out, the reverse transmission is carried out for 2 times: the capacity is guaranteed to be issued, and the battery is charged for 1 hour, and the electrolyte density is adjusted to (.28). 1))/(3℃), and it is left to stand for 11 seconds, and the battery is continuously discharged with a current until the battery terminal voltage reaches 1.75V or the battery terminal voltage reaches 3.50V. Maintenance-free mining lamp battery, charged for 1 hour at a fixed voltage of: 5.00=0.10)V, the charging voltage is not adjusted according to the technical specifications of the product, and the charging is not adjusted according to the specification: the battery is the same as the above, and the capacity is recorded according to the formula (11) of Le 84.
5.13.4 The capacity obtained in the test is less than 0% and should be put into the French summer test. If the capacity does not reach C after 3 tests, it shall be regarded as abandoned.
5.19.5 During the test, the micro-cycle of the ordinary expansion lamp storage battery shall be not less than 10 cycles, and the minimum maintenance expansion battery shall be not less than 51 times. The battery shall not be replenished during the test. 5.19 Battery effective storage period test
The battery shall be stored under the conditions of 7, 3, 4. After the storage period expires, the capacity test shall be carried out according to the provisions of 5.8. 6 Inspection rules
6.1 Factory inspection
5.1.1 The inspection items shall be carried out daily. When all the inspection items are in compliance with the provisions of this standard, the factory inspection is qualified. If any test item fails to meet the requirements, the inspection shall be stopped, and the non-compliant items shall be analyzed. After finding out the reasons for non-compliance and taking corrective measures, the inspection shall be continued. If the re-inspection is qualified, it is still determined to be unqualified for delivery. If the re-inspection is qualified, or if the re-inspection still does not meet the requirements, it is determined to be unqualified for delivery.
Table 2 Delivery inspection
Appearance and assembly acceptance
Self-employment new school
Supplementary! System inspection
Labor market pool common questions and complaints
6..2 Mining lamps must be qualified for delivery after the final delivery inspection and accompanied by a product certificate before they can be delivered. 6.2 Type inspection
6.1. Type inspection should be carried out in the following situations: new products or old products are transferred to production; trial production inspection; formal production, purchase, material and process have significant changes; may affect product performance; normal production should be carried out; periodic inspection should be carried out; after production is stopped, the production should be resumed; when the national quality supervision and inspection agency makes a request; the factory inspection results are significantly different from the above type inspection results. 6.2.2
Test method
The inspection items, requirements, test intervals, rod pulling force plan, etc. of type inspection shall comply with the provisions of Table 3. The inspection items shall be appearance and assembly quality. Automatic parts and components shall be inspected. The vehicle shall be tested. General test shall be conducted. 4. Please prepare for production test
Maximum test
Automatic power-off performance test
Reflection test
Electric delay control test
Lightning battery gas component production test
Jiangxi Electric standard exhaust gas test
Yellow battery effective storage period test
Table 3 Type inspection
Test operation
One month
The samples for type inspection should be taken from one or several batches that have passed the factory inspection. 6.2.3
MT26—2004
Selection model
Aa-l R.-?
Ar--1 Ka.2
.A..--0N.. -2
A. -GK 1
4,-0H,
A-0 K-1
When carrying out type inspection, the inspection groups specified in the table shall be followed and the order of inspection shall be followed (unless otherwise specified in the contract). After the exhibition, the inspection groups shall calculate the total number of unqualified products and determine whether each test group is qualified (according to the provisions of 5.11.2 in 3/8S2C02). The type inspection meeting must be all test groups, otherwise it will be recognized that the type inspection fails. Marking, packaging, transportation and storage
7.1.1 The front of the incense pool should have the following water-wind mark: s
Product model 1
Production and processing inspection:
Manufacturer name, || tt||Full battery technical mark
There should be a series of permanent water marks on the appropriate parts of the mining lamp: a) explosion mark "and anti-water certificate,
coal safety standard table \MA\ and its approval certificate number: b) production date or number:
implementation standard number.
7.2 Packaging
7.2, 1 The outer bottom of the gas package has the following marks:) product name, model and quantity!
MF 2E-2CC4
factory city;
shape (maxmxn): length x height;
gross weight, g;
"fear of rain", "forbidden to roll" and other words or signs, and the tower should comply with the provisions of the whole 9: manufacturer name and address;
safety mark approval certificate number.
Technical documents supplied with each box of products such as: 7.2.2
Product quality certificate:
Product instructions for use, product instructions for use shall comply with the provisions of 639H69.1. 73 Transportation
The lamp shall not be subjected to strong impact and rain during transportation, and shall not be inverted, dropped, rolled, or replaced. 7.2
The mining lamp shall be stored in a dry, sterilized and well-ventilated warehouse without corrosive substances.
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