KR102256367B1 - Dust and explosion proof lighting fixture having safety guide function - Google Patents

Abstract

A dust explosion proof lamp fixture, which is disposed in a dust generation space, according to one embodiment of the present invention is characterized by including: a housing having an open front surface and a space formed therein; an inner plate fixedly installed in the space; an LED substrate module installed on the inner plate, having an LED lighting lamp on the center of the front surface thereof, and having an LED escape direction indicating lamp on both sides of the front surface thereof; a power supply unit for supplying external main power to the Led lighting lamp; an auxiliary power supply unit which is indirectly connected to the power supply unit and charged and is for supplying auxiliary power to the LED escape direction indicating lamp in an emergent accident; two rotatable rollers which are located above and below a front surface of a region in which the LED escape direction indication lamp is installed; and a transparent flexible window sheet having one and the other ends wound on the two rollers, wherein the LED escape direction indication lamp is turned on by using the auxiliary power when the main power is blocked in an emergent situation, the two rollers are rotated in one direction to cause a portion of the transparent flexible window sheet, which is exposed to the outside and having dusts adhered thereto, to be wound on one roller among the two rollers, and cause a portion of the transparent flexible window sheet, which is wound on another roller and having no dust adhered thereto, to be exposed to the outside, thereby light of the direction indication lamp is discharged to the front surface even in a dust generating space, so as to secure the safety of an operator and prevent an accident.

Description

Dust and explosion proof lighting fixture having safety guide function}

The present invention relates to a dust explosion-proof luminaire, and more specifically, in normal times, an LED lighting lamp is turned on using an external main power source to solve a shadow area on the site, and in case of an emergency accident, the LED evacuation using an auxiliary power source when the main power is cut off It relates to a dust explosion-proof luminaire with a safety indication function that can induce safety even in a dusty situation in order to guide an evacuation route by lighting a furnace direction indicator lamp to secure the safety of workers and prevent personal accidents.

In general, a lighting device for providing lighting is installed in a shaded area of a construction site or a coal work site. In general, such a lighting device needs to adjust the lighting angle because the shaded area can be changed according to the work situation, and when installed outdoors, it must be installed firmly so as not to be shaken from wind and external impact.

However, the conventional lighting apparatus has the following problems. First, there is a risk of causing another safety accident during installation work because it is difficult to install the lighting device due to the site conditions. Second, after installation of the lighting device, it is difficult to adjust the lighting angle of the lighting device, so that when lighting is required in a different shaded area, there is a problem in that the previously installed lighting device must be moved separately and reinstalled. Third, when an emergency accident such as a natural disaster or fire occurs, the main power is cut off and the lighting of the lighting device is turned off, so that a safe emergency evacuation route cannot be secured at the site, which may cause loss of life.

Domestic Patent Publication No. 10-2016-0088736 (July 26, 2016)

The technical problem to be solved by the present invention is to provide a dust explosion-proof luminaire having a safety instruction function capable of inducing safety even in a dust generating situation.

In order to solve the above technical problem, the dust explosion-proof luminaire according to an embodiment of the present invention is a dust explosion-proof luminaire disposed in a dust generating space, the housing having an open front and a space formed therein; an inner plate fixedly installed in the space; an LED substrate module installed on the inner plate, an LED lighting lamp is installed in the center of the front, and an LED evacuation road direction indicator lamp is installed on both sides of the front; a power supply unit for supplying external main power to the LED lighting lamp; an auxiliary power unit indirectly connected to the power supply unit and charged, and for supplying auxiliary power to the LED evacuation route direction indicator lamp in case of an emergency; two rotatable rollers positioned above and below the front of the area where the LED evacuation route direction indicator lamp is installed; and a transparent flexible window sheet having one end and the other end wound around each of the two rollers, and in case of an emergency, when the main power is cut off, the LED evacuation route direction indicator lamp is turned on using the auxiliary power source, and the two rollers is rotated in one direction so that the part of the transparent flexible window sheet exposed to the outside and attached to the dust is wound on one of the two rollers, and the part of the transparent flexible window sheet that is wound on the other roller and the dust is not adhered to the outside It is characterized in that it is exposed, so that the light of the LED evacuation route indicator lamp is emitted to the front even in the dust generating space, thereby securing the safety of the operator and preventing accidents.

The apparatus may further include a vibrating unit vibrating the two rollers, and the vibrating unit may vibrate the two rollers in different directions.

In addition, it may further include an air suction unit formed inside the two rollers, sucking the dust of the transparent flexible window sheet wound on the rollers may be discharged to the outside.

In addition, further comprising a vibrating unit vibrating the transparent flexible window sheet, wherein the vibrating unit vibrates the transparent flexible window sheet according to the wavelength of light emitted from the LED evacuation path direction indicator lamp, and in the LED evacuation path direction indicator lamp The wavelength of the emitted light may be different from the wavelength of the light emitted from the LED lighting lamp.

In addition, further comprising an alarm unit notifying the outside of the emergency, the alarm unit operates according to the wavelength of light emitted from the LED evacuation road direction indicator lamp, the wavelength of the light emitted from the LED evacuation road direction indicator lamp is the LED lighting It may be different from the wavelength of the light emitted by the lamp.

According to the embodiments of the present invention, it is possible to safely guide the evacuation route of the worker even in a dust generation situation. In addition, it is easy to install in the field, and it is easy to adjust the lighting angle after installation, so that there is no shadow area by illuminating other shaded areas, and the number of people and time for installation is greatly reduced, and the work is very easy. Furthermore, in the event of an emergency such as a natural disaster or fire, even if the main power is cut off and the lighting of the lighting device is turned off, the LED evacuation route indicator lamp is turned on using the auxiliary power to provide a safe emergency evacuation route (escape route) at the site. This has the effect of preventing loss of life.

1 shows a dust explosion-proof luminaire according to an embodiment of the present invention.
2 and 3 are front views of a dust explosion-proof luminaire according to an embodiment of the present invention.
4 to 11 are views for explaining a dust explosion-proof luminaire according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, the technical idea of the present invention is not limited to some embodiments to be described, but may be implemented in various different forms, and within the scope of the technical idea of the present invention, one or more of the constituent elements may be selectively selected. It can be used by combining or substituting with.

In addition, terms (including technical and scientific terms) used in the embodiments of the present invention are generally understood by those of ordinary skill in the art, unless explicitly defined and described. It can be interpreted as a meaning, and terms generally used, such as terms defined in a dictionary, may be interpreted in consideration of the meaning in the context of the related technology.

In addition, terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.

In the present specification, the singular form may also include the plural form unless specifically stated in the phrase, and when described as "at least one (or more than one) of A and (and) B and C", it is combined with A, B, and C. It may contain one or more of all possible combinations.

In addition, in describing the constituent elements of the exemplary embodiment of the present invention, terms such as first, second, A, B, (a), (b) may be used. These terms are only for distinguishing the constituent element from other constituent elements, and are not limited to the nature, order, or order of the constituent element by the term.

And, when a component is described as being'connected','coupled', or'connected' to another component, the component is directly'connected','coupled', or'connected' to the other component. In addition to the case, it may include a case in which the component is'connected','coupled', or'connected' due to another component between the component and the other component.

In addition, when described as being formed or disposed in the "top (top)" or "bottom (bottom)" of each component, "top (top)" or "bottom (bottom)" means that the two components are directly It includes not only the case of contact, but also the case where one or more other components are formed or disposed between the two components. In addition, when expressed as "upper (upper)" or "lower (lower)", the meaning of not only an upward direction but also a downward direction based on one component may be included.

The dust explosion-proof luminaire of the present invention secures work safety by lighting the LED lighting lamp using the external main power source even in the dust generating area to illuminate the shaded area of the site, and in case of an emergency accident, when the main power is cut off, the auxiliary power is used. Although the LED evacuation route direction indicator lamp is turned on, dust is removed so that the emission of the evacuation route direction indicator lamp light is not disturbed by the dust, thereby securing the safe evacuation of the worker and preventing personal injury. It is formed of materials and parts resistant to explosions of the present invention.

Figure 1 shows a dust explosion-proof luminaire according to an embodiment of the present invention, Figures 2 and 3 are front views of the dust explosion-proof luminaire according to an embodiment of the present invention.

The dust explosion-proof luminaire 100 according to an embodiment of the present invention includes a housing 110 having a space 111 therein, an inner plate 130 fixedly installed in the housing 110, an LED lighting lamp 141 and an LED evacuation. Auxiliary power supply unit 170 for supplying auxiliary power to the LED board module 140 in which the direction indicator lamp 145 is installed, the power supply unit 150 which is a power supply device, and the LED evacuation road direction indicator lamp 145, the LED evacuation two rotatable rollers 212 and 213 located above and below the front of the area where the direction indicator lamp 145 is installed; and a transparent flexible window sheet 211 having one end and the other end wound on each of the two rollers 212 and 213 .

The housing 110 has an open front and forms a space 111 therein. The housing 110 may be made of synthetic resin, and the shape thereof is formed with a long left and right length and a relatively low height, but is not necessarily limited thereto. Angle adjustment units may be installed on both sides of the housing 110 to adjust the angle of the housing 110 . The angle adjusting unit may function to adjust the lighting angle of the LED lighting lamp 141 and the LED evacuation road direction indicator lamp 145 by adjusting the angle of the housing 110 .

The angle adjustment unit is a hinge shaft 121 installed on both sides of the housing 110, one end is rotatably coupled to the hinge shaft 121, and the other end is a fixing part 122a having a bolt hole (H) 90 It may be composed of a fixing bracket 122 bent at °, and an adjustment knob 123 fastened to the end of the hinge shaft 121 to set the rotation angle of the fixing bracket 122 . The hinge shaft 121 is for rotating the housing 110 , and the fixing bracket 122 is for fixing the housing 110 to a specific position (eg, a wall surface or a ceiling). That is, one end of the fixing bracket 122 is rotatably coupled to the hinge shaft 121 , and the other end of the fixing bracket 122 is fixed at a specific position. It can be fixed by fastening the bolt (B) in the hole (H).

The inner plate 130 is fixedly installed in the space 111 and may be made of a metal material or synthetic resin. The inner plate 130 is bent backward from the seating portion 131 and the seating portion 131 to be seated on the fastening boss 112 having a bolt hole H formed in the housing 110, and is an LED substrate module. A support portion 132 having a plurality of position guide protrusions 132a formed therein is provided in order to fix the position of the 140 .

The seating part 131 is in contact with the inner circumferential surface of the housing 110 , and a bolt hole H is also formed in the seating part 131 . The support part 132 is bent 90 degrees backward from the seating part 131 , and the LED substrate module 140 is positioned and fixed on the inner surface of the support part 132 .

Guide protrusions 132a are formed long in the front-rear direction on the bottom and ceiling surfaces of the support 132, and the LED substrate module 140 is fixed while sliding in the front-rear direction by the guide protrusions 132a, Due to this, the LED substrate module 140 is stably fixed without shaking during assembly.

The LED substrate module 140 is installed on the inner plate 130, an LED lighting lamp 141 is installed in the center of the front of the LED substrate module 140, and an LED evacuation road direction indicator lamp 145 is installed on both sides of the front surface. is installed

The LED lighting lamp 141 is the main light color and illuminates the shaded area shaded area, and the LED evacuation route direction indicator lamp 145 is green and is configured to function as a guide light during evacuation. The wavelength of the light emitted from the LED lighting lamp 141 may be different from the wavelength of the light emitted from the LED evacuation route indicator lamp 145 . For example, the light emitted from the LED lighting lamp 141 may be 600 to 800 nm, and the light emitted from the LED evacuation route indicator lamp 145 may be 560 to 490 nm, but is not limited thereto. .

The LED lighting lamp 141 emits light in a normal situation as shown in FIG. 10 , and the LED evacuation route direction indicator lamp 145 may emit light as shown in FIG. 11 to guide an evacuation route in a non-emergency situation. .

The power supply unit 150 is a power supply unit for supplying external main power to the LED lighting lamp 141 . A power supply is a device that supplies power required for lighting, and is a device that converts alternating current into direct current. The main power cable 160 is directly connected to the power supply unit 150 to supply external main power to the LED lighting lamp 141 .

The auxiliary power unit 170 is indirectly connected to the power supply unit 150 to always maintain a charged state. It is not used normally, and auxiliary power is supplied to the LED evacuation route direction indicator lamp 145 in case of an emergency. Here, the emergency accident refers to an unpredictable accident such as a natural disaster or a fire.

The two rollers 212 and 213 are located above and below the front surfaces of the areas 210 and 220 where the LED evacuation road direction indicator lamp 145 is installed. Each roller 212 , 213 is rotatable and may rotate independently of each other or rotate together in the same direction as each other.

The transparent flexible window sheet 211 may be wound with one end and the other end connected to each of the two rollers 212 and 213 . The transparent flexible window sheet 211 may be formed of a flexible sheet so that it can be wound by a roller, and may be formed of an explosion-proof material. In addition, it may be formed of a transparent material so that light can be transmitted. One end of the transparent flexible window sheet 211 is connected to the upper roller 212 of the two rollers 212 and 213, and the other end is connected to the lower roller 213. is exposed, and some are wound on rollers.

A window 180 made of a transparent material such as glass or synthetic resin may be formed in a region of the front of the housing where the transparent flexible window sheet 211 is not formed. The window 180 may be fixed through the window fixing plate 190 . The window fixing plate 190 may serve to fix the window 180 by pressing the edge of the window 180 .

When external main power is supplied through the main power supply unit 150, it is converted from alternating current to direct current, and power is supplied to the LED lighting lamp 141 through an appropriate voltage and turned on, thereby illuminating the shaded area of the field. When the main power is cut off during an emergency accident, auxiliary power is supplied to the LED evacuation route direction indicator lamp 145 through the auxiliary power supply unit 170, thereby securing an evacuation route and preventing safety accidents.

The dust explosion-proof luminaire of the present invention is applied to an area where a lot of dust is generated, such as a coal factory or a tunnel, and a lot of dust is adhered to the outer surface of the luminaire. In an emergency, when the main power is cut off and the lights inside the building are turned off, workers cannot know the evacuation route. At this time, the LED evacuation road direction indicator lamp 145 guiding the evacuation route is operated by the auxiliary power source, and when a lot of dust is attached to the front part from which the LED evacuation road direction indicator lamp 145 is emitted, the emission of light is reduced. If it is obstructed, it may be impossible to guide the evacuation route or the visibility of the direction may be low. In order to prevent this, the rollers 212 and 213 and the transparent flexible window sheet 211 are formed on the front surface of the area where the LED evacuation route direction indicator lamp 145 is installed.

In an emergency, the LED evacuation route direction indicator lamp is turned on using auxiliary power in an emergency situation, and the two rollers 212 and 213 are rotated in one direction to expose the transparent flexible window sheet 211 to the outside and to which dust is adhered. ) part is wound on one of the two rollers 212 and 213, and the transparent flexible window sheet 211 part wound on the other roller to which the dust is not adhered is exposed to the outside, so that even in the dust generating space, the LED direction By allowing the light of the indicator lamp to be emitted to the front, it is possible to secure the safety of the operator and prevent accidents. In an emergency situation, as shown in FIG. 4 , when the two rollers 212 and 213 are rotated in one direction, the transparent flexible window sheet 211 to which the dust is attached is wound with the upper roller 212, and the lower side The part of the transparent flexible window sheet 211 wound around the roller 213 to which the dust was not adhered is exposed to the outside to form a dust-free window, and through this, the light of the LED direction indicator lamp can be emitted from the front surface without dust interference. can be released as

In addition, vibrating units 214 and 215 for vibrating the two rollers 212 and 213 may be further included. As shown in FIG. 5 , the vibrating units 214 and 215 are formed above and below the two rollers 212 and 213 to vibrate the two rollers 212 and 213 , so that the dust adhered to the transparent flexible window sheet 211 falls off. can make it At this time, the vibrating units 214 and 215 may vibrate the two rollers in different directions. By vibrating in different directions other than the same direction, for example, in opposite directions, the dust adhered to the transparent flexible window sheet 211 can be efficiently dropped.

Alternatively, it may include a vibrating unit for vibrating the transparent flexible window sheet 211 . The dust attached to the transparent flexible window sheet 211 may be removed by vibrating the transparent flexible window sheet 211 instead of a roller.

The vibrating unit may vibrate the transparent flexible window sheet 211 according to the wavelength of light emitted from the LED evacuation route direction indicator lamp 145 . The wavelength of the light emitted from the LED evacuation route direction indicator lamp 145 is different from the wavelength of the light emitted from the LED lighting lamp 141, and the vibrating unit operates only at the wavelength of the light emitted from the LED evacuation route direction indicator lamp 145. , it does not operate during normal operation, and can operate in situations where an evacuation route must be guided in an emergency situation. Since vibration can affect explosion-proof, the vibration unit operates only at the wavelength of the light emitted from the LED evacuation route direction indicator lamp 145 so that it does not generate vibration during normal operation and operates only in an emergency situation where an evacuation route must be guided. can make it

It further includes an alarm unit notifying the outside of the emergency situation, the alarm unit may operate according to the wavelength of light emitted from the LED evacuation route direction indicator lamp. In this case, the wavelength of the light emitted from the LED evacuation route direction indicator lamp may be set to be different from the wavelength of the light emitted from the LED lighting lamp so that the alarm unit operates only in an emergency situation. Through this, the alarm unit may operate only at the wavelength of the light emitted from the LED evacuation route direction indicator lamp 145 so as not to generate an alarm during normal operation and to operate only in an emergency situation.

In addition, the two rollers (212, 213) may further include a dust suction unit (216, 217) formed inside. As shown in Figure 6, dust suction parts 216 and 217 that can suck air by sucking air inside the two rollers 212 and 213 are formed, so that the dust is discharged to both ends or one end of the roller, It is possible to remove the dust attached to the transparent flexible window sheet 211 wound on the roller. At this time, the transparent flexible window sheet 211 is wound on the two rollers 212 and 213 in the direction of FIG. 6 so that the surface of the transparent flexible window sheet 211 to which the dust is adhered is wound on the dust suction units 216 and 217 . may be formed.

For safety guidance in case of emergency, external main power may be supplied and it may be determined whether the main power is cut off. As a result of the determination, when the main power is supplied, power is supplied to the LED lighting lamp 141 and turned on, thereby eliminating the shaded area of the field. As a result of the determination, when the main power is cut off in an emergency accident, the LED evacuation route direction indicator lamp 145 is turned on using the auxiliary power source of the auxiliary power unit 170, and the two rollers 212 and 213 are rotated in one direction. The part of the transparent flexible window sheet 211 exposed to the outside and the dust adhered is wound on one of the two rollers, and the part of the transparent flexible window sheet 211 that is wound on the other roller and the dust is not adhered By exposing to the outside, the light of the direction indicator lamp 145 is emitted to the front even in the dust generating space, thereby securing an evacuation route, thereby promoting the safety of the worker and preventing human damage.

7 and 8 are side views of the dust explosion-proof luminaire according to the present embodiment, showing the lighting angle adjustment, and FIG. 9 is a longitudinal sectional view.

When it is necessary to adjust the lighting angle, for example, when the shaded area of the site is changed, the lighting angle can be automatically adjusted using the angle automatic adjustment unit. It may further include an illuminance sensor for detecting the illuminance of the sound region. The illuminance sensor is installed in the housing 110, and functions to sense the illuminance of the shaded area. The illuminance sensor may be installed on the front or upper portion of the housing 110, but is not necessarily limited thereto. The angle automatic adjustment unit is installed on both sides of the housing 110 to adjust the angle of the housing 110 according to the illuminance sensor, and the automatic angle adjustment unit includes a fixing bracket for rotatably mounting the housing 110; and a servomotor installed on the fixing bracket to automatically adjust the illumination angle according to the illuminance sensor, so that the illumination intensity can be adjusted as shown in FIGS. 7 and 8 . That is, the illuminance sensor senses the illuminance of the shaded area of the field, and when lighting is required in the sound area, the angle automatic adjustment unit is driven to automatically adjust the lighting angle.

Those of ordinary skill in the art related to this embodiment will understand that it can be implemented in a modified form within a range that does not deviate from the essential characteristics of the above description. Therefore, the disclosed methods should be considered from an explanatory point of view rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the above description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

100: dust explosion-proof luminaire, 110: housing, 111: space, 112: fastening boss
120, 220: angle adjustment unit, 121: hinge shaft, 122: fixing bracket
122a: fixing part, 123: adjusting knob, 130: inner plate, 131: seating part
132: support, 132a: position guide projection, 132a: guide projection
140: LED board module, 141: LED lighting lamp,
145: LED evacuation route direction indicator lamp, 150: power supply
160: main power cable, 170: auxiliary power unit, 180: window,
190: window fixing plate, B: bolt, H: bolt hole
211: transparent flexible window sheet, 212, 213: roller
214,215: vibration unit, 216, 217: dust suction unit

Claims (5)

In the dust explosion-proof luminaire disposed in the dust generating space,
a housing having an open front and a space formed therein;
an inner plate fixedly installed in the space;
an LED substrate module installed on the inner plate, an LED lighting lamp is installed in the center of the front, and an LED evacuation road direction indicator lamp is installed on both sides of the front;
a power supply unit for supplying external main power to the LED lighting lamp;
an auxiliary power supply unit for charging indirectly connected to the power supply unit and supplying auxiliary power to the LED evacuation route direction indicator lamp in case of an emergency;
two rotatable rollers positioned above and below the front of the area where the LED evacuation route direction indicator lamp is installed;
a transparent flexible window sheet having one end and the other end wound around each of the two rollers; and
and a vibrating unit vibrating the transparent flexible window sheet,
When the main power is cut off in an emergency situation, the LED evacuation route direction indicator lamp is turned on using auxiliary power, and the two rollers are rotated in one direction, so that the transparent flexible window sheet part exposed to the outside and dust is attached Make sure it is wound on one of the two rollers, and the part of the transparent flexible window sheet that is wound around the other roller and is not dust-adhered is exposed to the outside so that the light of the direction indicator lamp is emitted to the front even in the dust generating space. to ensure worker safety and prevent accidents,
The vibrating unit vibrates the transparent flexible window sheet according to the wavelength of light emitted from the LED evacuation route direction indicator lamp,
A dust explosion-proof luminaire, characterized in that the wavelength of the light emitted from the LED evacuation route direction indicator lamp is different from the wavelength of the light emitted from the LED lighting lamp. The method of claim 1,
Further comprising a vibrating unit vibrating the two rollers,
The vibration part is a dust explosion-proof luminaire for vibrating the two rollers in different directions. The method of claim 1,
Further comprising a dust suction unit formed inside the two rollers,
A dust explosion-proof luminaire for sucking in the dust of the transparent flexible window sheet wound on the roller and discharging it to the outside. delete The method of claim 1,
Further comprising an alarm unit notifying the outside of the emergency situation,
The alarm unit operates according to the wavelength of light emitted from the LED evacuation route direction indicator lamp,
The wavelength of the light emitted from the LED evacuation route direction indicator lamp is different from the wavelength of the light emitted from the LED lighting lamp.

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