Intrinsically Safe Lamps

An intrinsically safe, housing technology, applied in the direction of damage prevention measures for lighting devices, lighting applications, electrical transmission signal systems, etc., can solve problems such as circuit overload power supply, adverse effects, etc.

Inactive Publication Date: 2016-03-02
MARCO SYSTEMANALYSE UND ENTWICKLUNG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has the potential to overload the circuit and adversely affect the power supply to lights or other consumers connected to the circuit

Method used

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  • Intrinsically Safe Lamps

Examples

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Embodiment Construction

[0031] exist figure 1 The lamp 1 shown in has a plastic housing 3 in which a circuit board 5 is arranged. Arranged on the circuit board 5 are a white LED 7 as a light source, an electrical control device 9 for the LED 7 and a rechargeable power storage device 11 through which the LED 7 can be supplied with electrical energy. In addition, a horn 13 as a sound signal generator and a sensor 15 coupled with the control device 9 that can be controlled by the control device 9 are also provided on the circuit board 5 . A socket 17 is arranged on the housing 3 , via which the lamp 1 can be connected to an external circuit (not shown).

[0032] Through the power storage device 11, the lamp 1 can operate independently of an external circuit. Here, the control device 9 is designed to selectively use electrical energy from the power storage device 11 or an external circuit to power the LED 7 so that, for example, when the state of charge of the power storage device 11 is low, an adequat...

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PUM

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Abstract

The invention relates to an intrinsically safe lamp for underground mining, which has a housing in which: at least one light source capable of operating under low pressure; a control device for the light source; and a storage device for the light source are arranged. electric device.

Description

technical field [0001] The invention relates to an intrinsically safe lamp in underground mining and a method for routing in underground mining, in which a plurality of lamps according to the invention are used. Background technique [0002] It is known that intrinsically safe lamps are required in underground mining for lighting eg working face installations, which lamps are equipped with commercially available light sources and require a voltage of approximately 230 volts. Due to the size of the light source and the housing designed for downhole gas safety, such lamps are relatively heavy and large. The use of such lamps in underground mining is disadvantageous if the seam thickness is thin, since they narrow, for example, the working passages available for shielding equipment. [0003] Lamps in which LEDs are used as light sources are also known in underground mining, which can be operated at low voltages, for example 12 volts. [0004] Often a number of such lights are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S2/00F21V23/00F21V23/04H05B45/50
CPCG08B7/06G08B7/066F21S9/022F21V15/01F21V23/0471F21W2111/00F21Y2115/10F21Y2113/13H05B45/50H05B45/10H05B45/20H05B47/105H05B47/20
Inventor 马丁·路透约翰内斯·柯尼希斯特凡·库特施
Owner MARCO SYSTEMANALYSE UND ENTWICKLUNG GMBH
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