KR100396246B1 - Lamp for tunnel - Google Patents

Abstract

The present invention relates to a tunnel lamp for preventing the overheating of the ballast by preventing the light emitting heat of the bulb is transmitted to the ballast by dividing the storage compartment into a light bulb compartment and a ballast compartment, such a lamp is a plate body outer end A base having a plurality of lugs fixed to a tunnel wall at a predetermined position; A ballast receiving member configured to have a body in an enclosure shape and to be fixed to the upper portion of the base; A cover having a transparent material and configured in an enclosure shape, one end of the cover being rotatably fixed to the ballast housing member and being covered by the ballast housing member and the base to form an electric bulb storage chamber between the base; A partition wall that is tightly fixed near a lower inner wall of the ballast storage chamber that forms a boundary portion with the bulb storage chamber and forms an air flow path therebetween; A ballast mounted inside the ballast storage chamber; A light bulb electrically connected to the ballast and configured to emit light by power supplied to the light bulb storage chamber; A reflecting member reflecting light emitted from the light bulb toward the cover side; A first vent passage formed on the lower wall of the ballast storage chamber so that air is introduced through the flow passage and discharged through the bulb storage chamber; And a second vent passage configured to circulate air to the ballast storage chamber at both sides of the top of the ballast storage chamber.

Description

Lamp for tunnels {Lamp for tunnel}

The present invention relates to a tunnel lighting that is installed on the tunnel wall to illuminate the interior of the tunnel, and in particular, the storage compartment is divided into a light bulb compartment and a ballast compartment to suppress the transmission of the heat of light emitted from the bulb to the ballast, respectively, the bulb compartment and ballast compartment By forming a ventilation passage in the air-cooled bulb and ballast to prevent damage due to overheating.

Tunnel lamps are installed on the tunnel walls and used to illuminate the dark tunnel interior by emitting light bulbs by power supply.

The tunnel lighting lamp is provided with a light emitting bulb, a ballast, an inverter for converting alternating current into a direct current, a reflector for reflecting light emitted from the bulb to the outside, and other elements necessary for emitting light in an interior storage room.

However, in the conventional tunnel lighting lamp, since the internal storage chamber is configured in one piece, various parts including the bulb and the ballast are installed together in the storage chamber.

Therefore, the heat of light emitted from the light bulb is transmitted to the entire compartment by the convection phenomenon, so that each component including the ballast receives the heat of light emitted from the light bulb directly. This resulted in an increase in the compartment temperature, resulting in overheating of the installed components.

In particular, because the ballast is weak to heat, there was a problem that the bulb is easily damaged when the storage room temperature is overheated for a long time.

Indeed, while driving in a tunnel, many lights may be broken or left unattended, and most of these failures are ballast failures that are damaged by overheating due to bulb failure or light emission.

The present invention is to solve the conventional problems as described above, its purpose is to divide the storage compartment into a light bulb compartment and a ballast storage chamber to prevent the phenomenon of overheating of the ballast by preventing the light emitting heat of the bulb is transmitted to the ballast. It is to provide a light for tunnel.

Such a tunnel light is a base having a plurality of lugs fixed to the tunnel wall at a predetermined position on the outer end of the plate-shaped body; A ballast receiving member configured to have a body in an enclosure shape and to be fixed to the upper portion of the base; A cover having a transparent material and configured in an enclosure shape, one end of the cover being rotatably fixed to the ballast housing member and being covered by the ballast housing member and the base to form an electric bulb storage chamber between the base; A partition wall that is tightly fixed near a lower inner wall of the ballast storage chamber that forms a boundary portion with the bulb storage chamber and forms an air flow path therebetween; A ballast mounted inside the ballast storage chamber; A light bulb electrically connected to the ballast and configured to emit light by power supplied to the light bulb storage chamber; A thin plate-shaped reflection member installed close to the light bulb and reflecting the light emitted from the light bulb toward the cover side; An inlet and an outlet are formed at both outer and outer ends of the lower wall of the ballast storage chamber, and an inlet and an outlet are formed between the inlet and the outlet so that air introduced into the distribution path through the inlet is passed through the bulb storage chamber. 1 vent passage; And a second vent passage through which an inlet and an outlet are circulated so that air can circulate to both sides of the ballast storage chamber.

1 is a perspective view of a tunnel lamp according to the first embodiment of the present invention,

Figure 2 is a side cross-sectional view showing a state in which the bulb and the ballast installed inside the tunnel lamp of Figure 1,

3 is a front sectional view showing a state in which a bulb and a ballast are installed by cross-section along line A-A of FIG.

4 is a front sectional view showing a state in which a light bulb and a ballast are installed in a tunnel lamp of a second embodiment according to the present invention;

Explanation of symbols on the main parts of the drawings

1,40: Lamp 2,41: Base

3,47 ballast 4: ballast storage room

5,42: cover 6,44: bulb storage room

6a, 45: Ballast storage room 7,46: Bulb

10,43: partition 12: reflective member

28,34: entrance 29,35: exit

30: inlet 31: outlet

33: information board

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of each embodiment of the present invention. 1 to 3 are each view of the tunnel lamp according to the first embodiment of the present invention, Figure 2 is a side cross-sectional view showing a state in which the bulb and the ballast is installed in the tunnel lamp of Figure 1, Figure 3 is Cross-sectional view along the line AA is a front sectional view showing a state in which the light bulb and the ballast is installed, Figure 4 is a front sectional view showing a state in which the light bulb and the ballast installed inside the tunnel light for the second embodiment according to the present invention.

1 to 3 of the drawings are a first embodiment of the tunnel lamp 1 according to the present invention, the ballast receiving member 4 for receiving the ballast 3 is placed on the base 2, the base (2) and the cover 5 is fixed to the ballast housing member 4, the bulb 7 is provided in the bulb storage chamber 6 formed between the base 2 and the cover (5). The bulb 7 is installed in a socket 8 installed in the bulb compartment 6.

Then, the partition 10 is hermetically fixed to a predetermined position near the inside of the lower wall 9 of the ballast storage member 4 forming the boundary with the bulb storage chamber 6, thereby bisecting the ballast storage chamber 6a. Air flow paths 11 are formed between the wall 9 and the partition wall 10, and light emitted from the light bulb 7 is applied to the bottom surface of the base 2 adjacent to the light bulb 7. The reflective member 12 reflecting in the direction of the cover 5 is fixed.

A first vent passage is formed in the lower wall 9 of the ballast storage member 4 to circulate air to the bulb storage chamber 6, and the ballast storage is formed in the upper wall of the ballast storage member 4. A second vent passage is provided to allow air to circulate into the chamber 6a. The first and second vent passages allow the bulb storage chamber 6 and the ballast storage chamber 6a to radiate heat from the bulb 7. When heated by air, it is cooled by air cooling.

The base 2 has a plate-shaped body formed of English uppercase letter "T" shape, the ballast housing member 4 is covered with the upper horizontal part, and the cover 5 is fixed with the lower vertical part.

The base 2 has a pair of receiving projections 13 for rotatably fixing the ballast storage member 4 to both sides of the horizontal portion outer end, and at the end of the horizontal portion the ballast storage member 4. The flange 14 surrounding the opening of the protrusion protrudes. And the lower end of the vertical portion is formed with a screw hole 15 for fastening the cover 5, a plurality of lugs 16 fixed to the tunnel wall at the predetermined position outside the body protrudes.

The ballast accommodating member 4 has a box shape with a rear surface open to accommodate the ballast 3 therein, and an accommodating portion 17 accommodating the front end portion of the cover 5 at a central portion has a predetermined depth. A recess 18 is formed in both outer walls of the accommodating part 17 to fix the cover 5 to be rotatable, and grills 19 circulating air in both sides of the accommodating part 17. This is through. The grill 19 also functions as a kind of ventilation passage through which air circulates.

The ballast receiving member 4 is formed to protrude a plurality of heat dissipation plate 20 for radiating the heat of light emitted from the bulb 7 to the outside, rotatably in the receiving projection 13 of the base 2 on both sides of the upper The hinge protrusion 21 to be assembled protrudes.

Base 2 configured as described above should be made of a good heat transfer and light material so as to radiate the heat of light emitted from the light bulb 7 to the outside, preferably aluminum material.

The cover 5 is covered with the receiving portion 17 of the base 2 and the ballast storage member 4 to form a light bulb storage chamber 6 therein. The cover 5 should be made of a transparent material so as to transmit the light emitted from the light bulb 7, preferably a transparent glass material that withstands the heat of emission of the light bulb (7).

When the cover 5 is formed in a housing shape and the flange 22 protrudes around the opening, and the metal frame member 23 is fastened and fixed to the base 2 around the flange 22, The glass flange 22 in close contact with the base 2 is protected.

The flange 22 has a plurality of threaded holes 24 formed around the body, and the bracket 25 supporting the flange 22 is fastened and fixed to the threaded holes 24. In the lower center of the frame member 23, a fastening hole 26 is formed to be fastened / disconnected to the screw hole 15 of the base 2.

Hinge pins 27 inserted into the slots 18 of the ballast storage member 4 protrude from both sides of the upper part of the cover 5, respectively, and the cover 5 is formed by rotating the hinge pins 27 as a base. (2) will be opened and closed.

The partition wall 10 blocks the bulb storage chamber 6 and the ballast storage chamber 6a so as to prevent the light emitting heat of the bulb 7 from being delivered to the ballast 3 so that the ballast 3 is not overheated. Since it serves to block the heat of luminescence of the light bulb (7), it is preferable to use excellent heat insulation performance, non-combustible member.

The partition wall 10 is fixed to be spaced apart from the inside of the lower wall 9 of the ballast storage member 4, which forms a boundary with the bulb storage chamber 6, a flow path through which air flows therebetween ( 11). Therefore, the air introduced through the distribution passage 11 is discharged to the outside via the bulb storage chamber 6, thereby cooling the temperature of the bulb storage chamber 6 by an air cooling method.

The reflective member 12 reflects the light emitted from the bulb 7 toward the cover 5. The reflective member 12 is generally formed in a thin plate shape and is installed on the bottom surface of the base 2 in proximity to the bulb 7.

The first passage for circulating air into the bulb storage chamber 6 is formed in the lower wall 9 of the ballast storage member 4 as shown in FIG. 3, on both sides of the outer ends of the wall 9. Inlets and outlets 28 and 29 are perforated, and the inlet port (28, 29) between the inlet and outlet (28, 29) so that the air introduced through the inlet 28 passes through the bulb storage chamber (6) 30 and an outlet 31 are formed.

In addition, the first passage may further include a blower fan 32 mounted on the inner sidewall of the inlet 28 so as to force external air to the bulb storage chamber 6.

In addition, the first vent passage guides the air introduced through the inlet 28 to the bulb storage chamber 6, and guides the air passing through the bulb storage chamber 6 to the outlet 29. The guide plate 33 is further installed in each of the inlet 30 and the outlet 29 so as to be able to do so. The guide plate 33 may be configured in a curved shape to guide the flow of air.

The second passage for circulating air into the ballast storage chamber 6a is an inlet 34 and an outlet 35 which are perforated on both sides of the top of the ballast storage member 4. The inlets and outlets 34 and 35 may have openings arranged in opposite directions to smooth air flow.

Here, the bulb 7 and the ballast 3 are commonly used and description of the detailed configuration will be omitted.

The installation position of the light bulb 7 is different depending on the position of the socket 8. As the socket 8 is shown in the drawing, the partition 9 and the wall 9 of the ballast 4 are provided. It may be fixed to the but may be located inside the bulb compartment (6).

In the tunnel lamp 1 of the first embodiment of the present invention configured as described above, the ballast housing member 4 is rotatably mounted on the horizontal portion of the base 2 so that the ballast (6a) 3) is mounted, the cover (5) is fixed to the vertical portion of the base (2) and the ballast storage member (4) and the bulb (7) in the socket (8) of the bulb storage chamber (6) formed therein ) Is fitted.

Here, the ballast receiving member 4 is opened and closed by a hinge protrusion 21 is rotatably fixed to the receiving projection 13 of the base (2). In addition, the lid 5 has both hinge pins 27 at the distal end inserted into the slots 18 of the ballast receiving member 4 and the fastening holes of the rim member 23 coincide with the base 2 screw holes 15. Tightened by bolts. Therefore, the bulb storage chamber 6 and the ballast storage chamber 6a are opened and closed separately.

The bulb storage chamber 6 and the ballast storage chamber 6a are closed by a partition wall 10, and air is circulated by the first and second ventilation passages of each of the storage chambers 6 and 6a. do.

When the tunnel lamp 1 is installed on the wall of the tunnel, as shown in FIG. 3, the ballast 3 is positioned at the top and the bulb 7 is installed at the bottom, so that the first and second vent passages are respectively used. It is located above the storage chambers 6 and 6a.

Therefore, even when the bulb 7 emits light and the temperatures of the bulb storage chamber 6 and the ballast storage chamber 6a rise, air is supplied through the first and second vent passages to the ballast storage chamber 6a and the bulb storage chamber 6. It is supplied to to prevent the high temperature of each storage chamber (5). In particular, the first and second vent passages are located at the upper side and are heated to cool the air in each of the storage chambers 6 and 6a that rise due to convection. Thus, the cooling effect is further enhanced.

In particular, the process of supplying / discharging air through the first vent passage, the air introduced through the inlet 28 is supplied to the bulb storage chamber 6 through the inlet port 30 to the bulb storage chamber 6 ) Is finally discharged to the outlet 29 through the outlet 31 to prevent the bulb storage chamber 6 from overheating.

Here, since the first ventilation passage is directly exposed to the light emitting heat of the bulb 7, the bulb ventilation chamber 6 is easily overheated. By forcibly supplying air to the bulb storage chamber 6 to prevent overheating, the guide plate 33 for guiding the air flow in the inlet 30 and the outlet 29 is installed to facilitate the flow of air.

At this time, the ballast storage chamber 6a and the bulb storage chamber 6 are blocked by the partition 10 of the heat insulator, so that the ballast storage chamber 6a is not overheated, even if the light bulb 7 emits heat. Air is circulated by the first vent passage so that the internal temperature does not increase.

The following is a second embodiment of the present invention.

The configuration of the tunnel lamp 40 of the second embodiment is as shown in Figure 4, the cover 42 is covered with the base 41 so that opening and closing can be opened and closed to form a storage chamber therein, the storage chamber is approximately the center The partition wall 43 is sealed in such a way that the two sides are divided into the light bulb storage chamber 44 and the ballast storage chamber 45, and the light bulb 46 is provided in the light bulb storage chamber 44 and the ballast storage chamber 45. And ballast 47 are housed and electrically connected to each other.

The cover 42 has an upper body 42a and a lower body 42b assembled into an overall enclosure shape. The upper body 42a is made of a metal material, and the lower body 42b has a thermal conductivity as in the above embodiment. It is composed of low glass material.

Both side walls of the bulb storage room 44 allow the first vent passage 48 to circulate air, and the first vent passage 48 has an upper body considering that the lower body 42b is a glass material. It is good to form on both sides of 42a. In addition, the first ventilation passage 48 may be further provided with a blowing fan 49 for forcibly supplying air to one side inlet.

The ballast storage chamber 45 has a second vent passage 50 is formed so that the air circulates in the upper portion, the second vent passage 50 is at least one through the hole, but preferably two through the two sides To allow air to enter and exit.

The partition 43 is bent at both ends so that the air introduced through the first vent passage 48 can be introduced into the bulb storage chamber 44, and the bent both ends are formed at the first vent passage 48. ) Is assembled to be located at the top.

And a reflecting member (not shown) is installed on the bottom surface of the base 41 to reflect the light emitted from the bulb 46 in the direction of the cover 42.

Here, it is obvious that the partition 43 should be formed of a heat insulating material and a non-combustible material like the partition wall 10 of the first embodiment.

The tunnel lamp 40 of the second embodiment configured as described above also has a ballast when the storage chamber is divided into the bulb storage chamber 44 and the ballast storage chamber 45 by the partition wall 43, and is installed in the tunnel wall. It is used with the 47 placed at the top and the bulb 46 positioned at the bottom.

In this way, even when the light bulb 46 installed in the light bulb storage chamber 44 emits light during use, the heat of light emitted from the light bulb 46 is hardly conducted to the ballast storage chamber 45 by the partition wall 43. The temperature of 45) will not overheat.

In addition, the bulb storage chamber 44 receives the heat of light emitted from the bulb 46 directly, but the blowing fan 49 installed in the first passage 48 rotates to forcibly supply air to the inside, thereby increasing the internal temperature. It will prevent overheating.

The ballast storage chamber 45 is blocked by the partition wall 43 so as not to receive the heat of light emitted directly from the bulb 46 so that it is not overheated and air is circulated through the second vent passage 50. As a result, the internal temperature does not rise so that the ballast 47 is not overheated.

According to the present invention constituted as described above, the ballast compartment and the bulb storage compartment are blocked by the partition wall formed of the heat insulating material so that the heat of luminescence generated from the bulb is blocked by the partition wall so as not to be conducted to the ballast compartment. Each bulb storage room is equipped with a passage through which air is circulated to cool the bulb and the ballast in an air-cooled manner, and in particular, a blower fan forcibly supplying air to the entrance of the bulb storage room in which the bulb is installed is efficiently cooled. Let's go.

Therefore, there is an advantage that can prolong the life of the lamp by preventing overheating of the ballast.

Claims (5)

A base having protrusions protruding from both sides of one side of the plate-shaped body, a screw hole for fastening being formed at the other end thereof, and a plurality of lugs fixed to the tunnel wall at a predetermined position at the outer end of the body; A ballast storing member configured to have a body in a shape of a body and rotatably fixed to the base receiving protrusions at both side ends thereof so that the body opening portion is detachable from the base; A cover having a transparent material and configured in an enclosure shape, one end of the cover being rotatably fixed to the ballast housing member and being covered by the ballast housing member and the base to form an electric bulb storage chamber between the base; A partition wall that is tightly fixed near a lower inner wall of the ballast storage chamber that forms a boundary portion with the bulb storage chamber and forms an air flow path therebetween; A ballast mounted inside the ballast storage chamber; A light bulb electrically connected to the ballast and configured to emit light by power supplied to the light bulb storage chamber; A thin plate-shaped reflection member installed close to the light bulb and reflecting the light emitted from the light bulb toward the cover side; An inlet and an outlet are formed at both outer and outer ends of the lower wall of the ballast storage chamber, and an inlet and an outlet are formed between the inlet and the outlet to allow air introduced into the distribution path through the inlet to pass through the bulb storage chamber. 1 vent passage; And a second vent passage through which an inlet and an outlet are circulated so that air circulates into the ballast storage chamber on both sides of the ballast storage chamber. The tunnel lamp of claim 1, wherein a blowing fan is further mounted at the inlet of the first ventilation passage. The inlet and outlet proper positions of claim 1, wherein the first vent passage guides the air moving through the inlet to the bulb storage chamber, and guides the air passing through the bulb storage chamber to the outlet. Tunnel light, characterized in that the guide plate is further installed on. A plate-shaped base on which a plurality of lugs protrude outwardly and fixed to the tunnel wall; A cover having a transparent body having a body shape rotatably assembled to one side of the base to form a storage chamber therebetween; A partition wall fixed inside the storage compartment to divide the storage compartment into a light bulb storage chamber and a ballast storage chamber; A ballast mounted to the ballast storage chamber; A light bulb electrically connected to the ballast and configured to emit light by a power supplied to the light bulb storage chamber; A plate-shaped reflection member installed in proximity to the light bulb and reflecting the light emitted from the light bulb toward the cover side; A first vent passage through which air enters and exits on both side walls of the bulb storage chamber; And And a second vent passage through which at least one passage through which air enters and exits the upper wall of the ballast storage chamber is formed. 5. The tunnel lamp of claim 4, wherein a blowing fan is further mounted at one of the passage entrances.