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KL1.2Ex Miner’s cap lamp
1. INTRODUCTION
The operation manual should be read before using the miner’s cap lamp.
1.1 Characteristics
a) The miner’s cap lamp consists of a Li-ion battery and a new generation LED light source.
b) The electronic switch controls the ON/OFF of the main light source and auxiliary light sources.
c) The miner’s cap lamp has multi-functional protection.
d) A charging control circuit is fitted inside the headpiece of the miner’s cap lamp. This circuit enables the miner’s cap lamp to be charged on other manufacturers’ chargers but it has to meet the requirements of Section 4.1.
e) Due to the high efficiency and long life of the LED light source, it is not necessary to replace the LED light source within the cap lamp life.
f) The miner’s cap lamp is compact, light in weight, maintenance free, long in service life, and intrinsically safe; LED light source and lithium ion battery are a new generation of environmental friendly products
1.2 Standards
The miner’s cap lamp complies with the following Standards:
EN 60079-11:2012; EN 60079-35-1:2011; EN 50303:2000; EN 60079-0:2018
2. STRUCTURE AND FEATURES
2.1 STRUCTURE
KL1.2Ex miner’s cap lamp consists of encapsulated lithium ion battery, control circuit, LED main/auxiliary light source, headlamp shell (flame-retardant and anti-static ABS) etc.
See figure 1
2.2 Features
a)Whatever causes the shot-current and over-current, the current-limiting resistor and quick-acting fuse encapsulated with battery will restrict the current so that it reaches the requirements of the intrinsically safe standards.
b) Battery Protection-In addition to the above protection, the battery has built-in PTC device for over-current and over-heating protection
c) A new style LED light source can provide more illumination than ordinary incandescent lamp under a small drive current.
3. SPECIFICATION
Rated voltage ...............................................3.7 V
Rated capacity .............................................1.4 Ah
Lighting time ................................................ ≥11 hours
Explosion protection type ……………………Ex ia I Ma
Maximum Illumination (1m from lamp):
Beginning of lighting ………………………… ≥2000 Lux
After 11 hours lighting ……………………… ≥1500 Lux
Main Light current ..................................... 0.12 A
Sub-light current ........................................ 0.06 A
Life of cap lamp .............................................2 years
Charging time ........................................... ≤8h
Charging voltage ..................................... 6-8 V
Ingress protection ………………………….. IP65
Weight .................................................... 0.2Kg
Exterior dimensions ................................. Φ67 x 80 x 75 mm
4. OPERATION
4.1 Charging
a) When battery voltage is less than 2.9 volts, the lamp will automatically go out, and needs to be charged timely.
b) The charging management circuit inside the miner’s cap lamp allows the use of our charger or those chargers of approved manufacturer. (When using a lead-acid battery charger to charge the LED miner’s cap lamp, the charging voltage should not exceed 8 volts.) While charging, the auxiliary light will flash every 5 seconds and stop flashing when the charging process is complete.
The charging contacts of the miner’s cap lamp type KL1.2Ex have terminal parameters of Um = 8V and must be supplied via a HBC fuse of 1A maximum.
4.2 Use
a) Ensure cap lamp is fully charged before use.
b) Clip cap lamp to the helmet.
c) Use the switch button on the cap lamp to turn on the main light source. Press the button again to convert from the main light to the auxiliary light source; press the button third time to switch off.
5. FAULT ANALYSIS
FAULT |
CAUSE ANALYSIS |
SOLUTION |
The main light source and auxiliary light source are off |
Battery power run out Control circuit damaged |
Recharge Replace circuit components |
No display from the charger when charging |
Poor contact Damaged indication Internal circuit fault |
Check components and replace when necessary |
Short discharge time |
Not fully charged battery life exhausted |
Recharge, replace battery |
6. OPERATIONAL SAFETY
a) It is strictly prohibited to dismantle the miner's cap lamp at underground mines.
b) Chargers are non-explosion proof products, therefore underground mine use is strictly prohibited.
c) Unauthorized personnel must not undertake disassembly, repair of the miner’s cap lamp and the charger.
d) It is prohibited to change the circuit or connection methods as this invalidates the explosion proof certificate.
e) The battery must not be put into fire or be heated.
f) Scrapped batteries should be handed to local environmental services/departments for disposal.
g) The battery capacity in a cold or overheated situation may reduce discharging time.
h) The miner’s cap lamp should be stored with battery capacity of more than 80%. Extended storage would permanently damage the battery. It is suggested that the miner’s cap lamp should be charged again if its storage term exceeds 3 months.
7. TRANSPORT AND STORAGE
a) When transporting it is not advisable to mix the miner’s cap lamp with oil or corrosive chemicals; measures to protect from the sun and rain must be adopted.
b) The storeroom for the miner’s cap lamps should be dry and well ventilated, away from heat source and corrosive objects with a temperature of 0 - 40ºC.
8. GUARANTEE
We guarantee the quality of cap lamp within 12 months from the date of shipment and would be responsible to repair it free in charge for any non-man-made damage during the period (except for any damage from force majeure, e.g. natural disasters, war, etc). The use of miner’s cap lamp shall strictly conform to the requirements in user’s manual. This guarantee does not cover the damage caused by improper use.
Company: Shaanxi ASTTAR Explosion-proof Safety Technology Co., Ltd.
Brand：ASTTAR
Address：No.3699,Shangyuan Road, Caotan Ecological Industrial Park, E&T Developing Zone, Xi’an
Post code：710018
Tel：86-29-86113366
Fax：86-29-86562529
Website：
E-mail：starsales@gokang.com
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