WO2004104971A1 - Bergwerkleuchte - Google Patents
Bergwerkleuchte Download PDFInfo
- Publication number
- WO2004104971A1 WO2004104971A1 PCT/EP2004/005280 EP2004005280W WO2004104971A1 WO 2004104971 A1 WO2004104971 A1 WO 2004104971A1 EP 2004005280 W EP2004005280 W EP 2004005280W WO 2004104971 A1 WO2004104971 A1 WO 2004104971A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- emitting diodes
- mine
- mine lamp
- lamp according
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000006854 communication Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000007175 bidirectional communication Effects 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L23/00—Non-electric hand-lamps for miners
Definitions
- the invention relates to a mine light or mine light with a signal display.
- Such a lamp for illuminating struts or the like in mines is known from DE 80 18 413 Ul.
- the luminaire disclosed there has a fluorescent lamp and a flash lamp for transmitting signals, a base of the flash lamp and a base of the fluorescent lamp being cast in a common plastic compound in a housing.
- the lamp tubes of the two lamps are embedded in a transparent casting compound.
- Such a pressure-resistant design of luminaire housings is complex and associated with high costs.
- Energy-saving tubes or fluorescent tubes have the disadvantage that reactive power compensation and ballasts such as ignition elements for generating an ignition voltage are required for their operation. Ignition elements must also be examined and designed with regard to their electromagnetic compatibility. Although the lifespan of fluorescent tubes is significantly longer than that of conventional light bulbs, it is limited to approximately 10,000 hours. The replacement of defective fluorescent tubes is complex and contributes significantly to the maintenance effort of the lamps equipped with fluorescent tubes.
- the invention is therefore based on the object of providing a mine luminaire which is inexpensive to manufacture and operate and which fulfills the requirements to be complied with in mining, in particular with regard to explosion protection.
- the luminaire comprises a plurality of light-emitting diodes or light-emitting diodes (LED) and a control device by means of which the light-emitting diodes can be controlled individually or in groups, in order to include symbols, flashing signs, letters, text, patterns and / or the like display.
- LED light-emitting diodes
- the control device which can comprise a microprocessor, receives an input signal or a sequence of input signals. According to these inputs, the control device controls the light-emitting diodes individually or in groups.
- a simple control consists in interrupting the power supply of all light-emitting diodes at the same time and allowing it again, so that the light-emitting diodes flash together and produce a uniform flashing light.
- a more complex control consists in letting the light emitting diodes in a certain spatial arrangement shine individually or in groups in order to generate a pattern or a symbol.
- a direction of movement or a sequence of patterns or characters can also be represented by a time-dependent control.
- the lamp according to the invention is not only limited to one or a few ads, but can convey a wide range of information to the miner.
- the mine luminaire Due to the low operating voltage of the LEDs, the mine luminaire is an intrinsically safe luminaire. Since no pressure-resistant housing is necessary, considerable costs can be saved in the housing construction.
- the lifespan of standard light-emitting diodes is 100,000 hours and more, which is considerably longer than that of fluorescent lamps. A service call and lamp replacement is practically no longer necessary.
- the light-emitting diode has a further advantage over conventional lamps: since the light emission does not end abruptly, but slowly decreases over time, the failure of the light-emitting diode is slowly announced so that it can be replaced before a total failure.
- the energy consumption is very low due to the high efficiency of light-emitting diodes, which means that the heat generated by the luminaire can be kept low.
- the lower luminosity compared to fluorescent tubes can be compensated for by using a larger number of light-emitting diodes and / or by using extremely bright light-emitting diodes.
- the light-emitting diodes are preferably arranged on a flat surface.
- the spacing of the light emitting diodes from one another can be the same, so that the light emitting diodes produce an approximately equal luminosity over the surface.
- the light-emitting diodes are preferably arranged in a uniform pattern, which is preferably symmetrical. This also includes rotationally symmetrical arrangements, the light-emitting diodes being able to be arranged on a circle or on concentric circles.
- the light-emitting diodes are arranged in the form of a matrix. This means that the diodes are arranged in rows and columns. This form of arrangement also includes the arrangement of the light-emitting diodes in only one column or in only one row. Thanks to an atrix-shaped arrangement, a rectangular area in particular can be evenly populated with light-emitting diodes.
- the light-emitting diodes can be arranged on a rectangular area of approximately 150 by 150 mm, the light-emitting diodes being arranged in seven to eight rows and columns.
- the light-emitting diodes are at a distance of about 20 mm from one another.
- Such an arrangement leads to good surface illumination. Due to the high number of light-emitting diodes (for example 64 with a fully occupied matrix with eight rows and 8 columns), a total luminous intensity comparable to that of conventional lights can be achieved.
- Another advantage of an arrangement in matrix form is that symbols, numbers, etc. can be easily represented.
- the main emission direction of at least two light emitting diodes can be different.
- a light emitting diode generally has a rotationally symmetrical light distribution.
- the main emission direction corresponds to the direction of the symmetry axis of the light distribution. Since a light-emitting diode emits light in different directions with different intensities, the light of the mine luminaire can be focused or fanned out by selecting different main emission directions of the light-emitting diodes.
- Light-emitting diodes with a radiation angle of 50 to 60 ° are preferably used. With luminous light shining in different directions Any illumination can advantageously be carried out by diodes.
- At least two light-emitting diodes emit light of different colors.
- one group of light emitting diodes can emit white light, while another group produces yellow, blue, red, or green light to indicate a colored symbol.
- the colored cover windows known from conventional lights are no longer necessary when displaying colored symbols. This keeps the manufacturing costs of the mine luminaire according to the invention low. In addition, higher efficiencies can be achieved since the light is not dampened by colored cover windows.
- light-emitting diodes can also advantageously be used which generate light of different strengths.
- this can influence the illumination of the room or area to be illuminated.
- patterns, symbols etc. can also be represented by light emitting diodes with different intensities.
- the control device can preferably generate a moving text, wherein preferably three alphanumeric characters can be displayed simultaneously. By displaying three characters at the same time, the ticker is already easy to read, while the number of LEDs to display these three characters at the same time does not become too high.
- the mine light is operated with a voltage of 12 volts.
- the luminaire housing does not have to be pressure-sensitive to comply with regulations regarding explosion protection. be firmly interpreted, which keeps the manufacturing costs low.
- a 12-volt supply in mining can be provided comparatively inexpensively.
- a low voltage of 5 or 24 volts is also possible.
- the operating voltages or forward voltages of conventional light-emitting diodes are 2 to 4 volts. Since the typical forward voltage of white light-emitting diodes (light-emitting diodes which emit white light) is 3.6 volts, three white light-emitting diodes connected in series would result in a voltage drop of 10.8 volts, which leads to a residual voltage swing of 12 volts leads less than 2 volts.
- a current regulator circuit comprising a series regulator and a resistor can be connected upstream of the light-emitting diodes connected in series.
- This current regulator circuit reduces a residual voltage swing in the string of light-emitting diodes connected in series and stabilizes the supply current per series connection.
- the supply current per string is preferably 20 mA.
- light-emitting diodes can also be used whose operating current is significantly higher, so that the supply current per strand is correspondingly higher.
- a polarity reversal protection can further preferably be provided in order to rule out that an incorrectly applied voltage destroys the light-emitting diodes.
- the current for the mine light is approximately 360 mA.
- the mine luminaire comprises 54 light-emitting diodes.
- the mine luminaire can be connected or connected to a preferably bidirectional communication line, in particular a digital communication line, or a bus for controlling the LED and for transmitting the information, symbols or signals to be displayed with the LED.
- the operating mode or the signals or information to be displayed can be transmitted to the mine luminaire in a simple manner via the digital communication line or the bus.
- the bus can be a two-wire bus that is coupled to a serial interface of a face control via a galvanic isolation module. It is also advantageous if the mine light, preferably its control device, is provided with a microcontroller (MCU) or a microcontroller is assigned to it.
- the microcontroller (MCU) can independently evaluate and process the control commands arriving, for example, via the BUS or the digital communication line with the adapted functionalities integrated in the MCU, and thus also drive sequences of signal displays based on certain control commands.
- the microcontroller also enables feedback on the condition of the mine light and the LEDs, as well as the signal or information displays implemented, which means that each mine light can also be remotely diagnosed from the surface center.
- Figure 1 shows a mine light according to the invention in front view
- FIG. 2 shows an electrical circuit diagram of the lamp from FIG. 1; and FIG. 3 schematically shows a control device for the lamp from FIG. 1.
- Figure 1 shows a mine light 1 in the front view.
- the light field 2 of the mine light 1 is visible, in which 54 light-emitting diodes 3 are arranged in a matrix of 8 columns and 7 rows.
- the outer matrix points are not occupied by light-emitting diodes.
- the LEDs 3 are at a distance of 20 mm from each other.
- FIG. 2 shows an electrical circuit diagram of the mine light 1.
- Three light-emitting diodes 3 are connected in series in a row 1, II,..., XVIII.
- FIG. 2 shows only three of a total of 18 strands. The dotted lines are intended to indicate the strands III to XVII, not shown.
- each line I, II, ..., XVIII the light-emitting diodes 3 are preceded by a current regulator circuit 4 with a series regulator 5 and a series resistor 6.
- a reverse polarity protection 7 ensures that the circuit is not damaged by confusing the voltage poles.
- Each strand I, II, ..., XVIII has a module 8, by means of which the light-emitting diodes 3 arranged in the respective strand are controlled via the control device 9 shown in FIG. 3.
- the control device 9 Depending on an input signal E, the control device 9 generates output signals AI, All, ..., AXVIII, whereby the power supply for the relevant line is regulated by means of the module 8.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/558,107 US20060250815A1 (en) | 2003-05-23 | 2004-05-17 | Mine lighting device |
GB0521943A GB2416240B (en) | 2003-05-23 | 2004-05-17 | Mining lamp |
AU2004241475A AU2004241475B2 (en) | 2003-05-23 | 2004-05-17 | Mine lighting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10323779A DE10323779A1 (de) | 2003-05-23 | 2003-05-23 | Bergwerkleuchte |
DE10323779.8 | 2003-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004104971A1 true WO2004104971A1 (de) | 2004-12-02 |
Family
ID=33461878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/005280 WO2004104971A1 (de) | 2003-05-23 | 2004-05-17 | Bergwerkleuchte |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060250815A1 (de) |
CN (1) | CN1795480A (de) |
DE (1) | DE10323779A1 (de) |
GB (1) | GB2416240B (de) |
WO (1) | WO2004104971A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1635113A1 (de) * | 2004-09-13 | 2006-03-15 | BöSha GmbH + Co. KG | Explosionsgeschützte Leuchte |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100300436A1 (en) * | 2007-07-23 | 2010-12-02 | Mckeown John S | Device for locating person in emergency environment |
DE102010047450A1 (de) | 2010-10-04 | 2012-04-05 | Osram Opto Semiconductors Gmbh | Leuchtvorrichtung |
DE102010048285B4 (de) * | 2010-10-14 | 2017-01-05 | Kruno Pranjic | Beleuchtungsanordnung im untertägigen Bergbau und Verfahren zur Regelung einer Untertagebeleuchtung |
DE102011103242B4 (de) * | 2011-06-03 | 2018-10-18 | Marco Systemanalyse Und Entwicklung Gmbh | Eigensichere Leuchte |
CN104349938B (zh) * | 2012-04-26 | 2018-09-11 | 乔伊·姆·特拉华公司 | 用于采掘环境的受控的区域照明系统及方法 |
DE202015101842U1 (de) * | 2015-04-15 | 2016-07-18 | Zumtobel Lighting Gmbh | Beleuchtungseinrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2409995A1 (de) * | 1974-02-28 | 1975-09-04 | Siemens Ag | Anzeigevorrichtung fuer eine schaltgeraetekombination |
WO1997033259A1 (en) * | 1996-03-04 | 1997-09-12 | J-Lec Systems Pty. Limited | Intrinsically safe emergency light and sound system |
US20020105432A1 (en) * | 2000-11-15 | 2002-08-08 | Pederson John C. | Led warning light and communication system |
US6486791B1 (en) * | 2001-05-31 | 2002-11-26 | Intel Corporation | Driving a visual indicator array in an electronic signaling system |
EP1308670A1 (de) * | 2001-10-30 | 2003-05-07 | Centaurea Oy | Explosionsgeschützte Leuchte |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556687A (en) * | 1978-06-29 | 1980-01-18 | Handotai Kenkyu Shinkokai | Traffic use display |
DE8018413U1 (de) * | 1980-07-09 | 1980-12-18 | Maehler & Kaege Ag, 6507 Ingelheim | Bergbauleuchte mit signaleinrichtung |
US4951045A (en) * | 1989-03-29 | 1990-08-21 | Intelligent Safety Technology, Inc. | Portable electronic warning device for temporary conditions |
US6175342B1 (en) * | 1996-04-15 | 2001-01-16 | Aadco, Inc. | Enhanced modular message board |
FI952559A (fi) * | 1995-05-26 | 1996-11-27 | Leo Hatjasalo | Menetelmä kulunohjaukseen ja kulunohjausjärjestelmä |
US6262698B1 (en) * | 1997-02-06 | 2001-07-17 | Dieter W. Blum | Method and apparatus for display sign |
US7352339B2 (en) * | 1997-08-26 | 2008-04-01 | Philips Solid-State Lighting Solutions | Diffuse illumination systems and methods |
US6271814B1 (en) * | 1998-05-28 | 2001-08-07 | Andy K. F. Kaoh | Dual message advertising display system |
KR19990083648A (ko) * | 1998-07-21 | 1999-12-06 | 최병석 | 전광 표시 장치의 고장 검출 회로 및 그를 이용한 표시 상태 검출 방법 |
JP4404998B2 (ja) * | 1999-08-05 | 2010-01-27 | パナソニック株式会社 | 表示装置 |
CA2336497A1 (en) * | 2000-12-20 | 2002-06-20 | Daniel Chevalier | Lighting device |
DE20101359U1 (de) * | 2001-01-25 | 2001-05-23 | Serco GmbH & Co. KG, 53121 Bonn | Beleuchtungseinrichtung |
TW538393B (en) * | 2001-05-17 | 2003-06-21 | De Ven Antony Van | Display screen performance or content verification methods and apparatus |
DE10232234B4 (de) * | 2002-07-17 | 2009-01-22 | Rag Aktiengesellschaft | Leuchte |
TW559763B (en) * | 2002-09-11 | 2003-11-01 | Neo Led Technology Co Ltd | High resolution driving method of full-color LED display board |
-
2003
- 2003-05-23 DE DE10323779A patent/DE10323779A1/de not_active Withdrawn
-
2004
- 2004-05-17 GB GB0521943A patent/GB2416240B/en not_active Expired - Fee Related
- 2004-05-17 US US10/558,107 patent/US20060250815A1/en not_active Abandoned
- 2004-05-17 WO PCT/EP2004/005280 patent/WO2004104971A1/de active IP Right Grant
- 2004-05-17 CN CNA2004800142115A patent/CN1795480A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2409995A1 (de) * | 1974-02-28 | 1975-09-04 | Siemens Ag | Anzeigevorrichtung fuer eine schaltgeraetekombination |
WO1997033259A1 (en) * | 1996-03-04 | 1997-09-12 | J-Lec Systems Pty. Limited | Intrinsically safe emergency light and sound system |
US20020105432A1 (en) * | 2000-11-15 | 2002-08-08 | Pederson John C. | Led warning light and communication system |
US6486791B1 (en) * | 2001-05-31 | 2002-11-26 | Intel Corporation | Driving a visual indicator array in an electronic signaling system |
EP1308670A1 (de) * | 2001-10-30 | 2003-05-07 | Centaurea Oy | Explosionsgeschützte Leuchte |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1635113A1 (de) * | 2004-09-13 | 2006-03-15 | BöSha GmbH + Co. KG | Explosionsgeschützte Leuchte |
Also Published As
Publication number | Publication date |
---|---|
US20060250815A1 (en) | 2006-11-09 |
DE10323779A1 (de) | 2005-01-05 |
GB0521943D0 (en) | 2005-12-07 |
GB2416240B (en) | 2007-06-20 |
AU2004241475A1 (en) | 2004-12-02 |
CN1795480A (zh) | 2006-06-28 |
GB2416240A (en) | 2006-01-18 |
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