JP5360486B2 - Lighting device - Google Patents

Description

  The present invention relates to a lighting device including a nickel metal hydride storage battery.

  Conventionally, a guide lamp as a lighting device is always turned on when power is supplied from a commercial power source to the light source, and moreover, the storage battery unit is charged normally when power is supplied from the commercial power source. Has been done. In an emergency when the power supply from the commercial power supply is cut off, the light source is turned on by the power supply from the storage battery unit. In such a guide light device, a guide light using nickel metal hydride for a storage battery is known for the purpose of containing no harmful substances and reducing the burden on the environment (see, for example, Patent Document 1).

  In addition, the guide light is used in various usage environments. For example, when it is a guide light used in an environment that requires waterproofness, the outer periphery of the guide light body is covered with a waterproof cover. That prevent water droplets or the like from entering (see, for example, Patent Document 2).

JP 2004-233833 A JP 2003-346519 A

  In view of the environmental load, it is preferable to use nickel-metal hydride storage batteries for various induction lamps. However, if the nickel-metal hydride storage batteries are applied to the above-described waterproof induction lamps, there is a risk of inconvenience. This is because the nickel-metal hydride storage battery is generally configured to release internal hydrogen to the outside when an abnormal state such as overcharge occurs, but when such a nickel-metal hydride storage battery is applied to a waterproof guide light, When the nickel metal hydride storage battery is in an abnormal state, the hydrogen released is released into the waterproof case. And since the waterproof case has a waterproof function, the air permeability between the inside and the outside of the waterproof case is hardly expected. Therefore, the hydrogen released into the waterproof case may be filled in the waterproof case. In such a state, there is a possibility that an ignition phenomenon that does not assume that a thermal factor is added to hydrogen in the case due to the influence of static electricity or the like may occur.

  The present invention has been made in view of the above, and it is an object of the present invention to provide a lighting device that prevents a malfunction when a nickel-metal hydride storage battery is abnormal even if it is a waterproof illumination device using a nickel-metal hydride storage battery. To do.

Lighting apparatus of claim 1, wherein the light source and; nickel-metal hydride storage battery and, the lighting unit and which by the power supply from the nickel-metal hydride storage battery to light the light source; the light source, the nickel-metal hydride storage battery and the lighting unit is provided instrument body and; and the opening of the waterproof case; with you housing the instrument body, the waterproof case is a box-shaped to have a opening on one side; a closing member for closing the opening of the waterproof case decorative frame and cover the side surface of the waterproof case so as not to be visually recognized boundary between the closure member from the outside; with an air-permeable, that is provided is covered with the decorative frame on the upper side of the side surface of the waterproof case And a ventilation filter.

  In the present invention and the following inventions, definitions and technical meanings of terms are as follows unless otherwise specified.

  The light source may have any form such as a point light source, a linear light source, and a surface light source, and may further exhibit any light emitting action such as a fluorescent lamp, LED, and organic EL.

  The blocking member is provided to ensure the waterproof property of the waterproof case. However, the closing member directly covers the opening of the waterproof case, or a wall straight line described as an example in Japanese Patent Application Laid-Open No. 2003-346519. A cover member having a hole shape in which a translucent waterproof case protrudes and is disposed so as to cover the instrument body as referred to as a shaping, and the waterproof case is disposed on the cover member This also includes a form that ensures a waterproof property. In short, the closure member can be combined with the waterproof cover so that the instrument main body housed in the waterproof cover or the instrument main body disposed so as to be covered by the waterproof cover is partitioned from the outside to ensure waterproofness. Anything can be used as long as it is provided.

  The ventilation filter does not allow fluids such as water droplets or solids such as dust to pass through, but has a characteristic that at least hydrogen flows.

  In addition, for example, if the ventilation filter can also circulate hydrogen and can also circulate outside air, it is suitable because it functions to prevent the waterproof case from being damaged. In addition to this point, when forming a waterproof case, when a box-like shape is formed by bonding using an adhesive or the like, if it is actually used as a lighting device, the waterproof case is generated by the heat generated from the lighting unit or light source. A temperature difference may occur between the inside and outside of the waterproof case due to an increase in the temperature inside or a change in ambient temperature. Then, the waterproof case formed by pasting may not be able to maintain the adhesive strength due to a difference in expansion / contraction of the pasting portion due to a temperature difference between the inside and the outside, and may peel off. Therefore, if the ventilation filter can also circulate outside air, even if it is a waterproof case formed by bonding, the ventilation will circulate between the inside and outside of the waterproof case during normal use and convection will occur. It is difficult for the difference to occur, and it is possible to prevent the bonded portion from being peeled off.

  The operation of the present invention will be described. Since the lighting device of the present invention has a waterproof case and a closure member, the instrument body is waterproof. Therefore, if a lighting device that lights a light source with a nickel-metal hydride storage battery has waterproof performance as in the present invention, nickel hydride is obtained. When hydrogen is discharged from the nickel-metal hydride storage battery when the storage battery is abnormal such as overcharge, the waterproof case is filled with hydrogen. And since hydrogen has a very light characteristic, when it discharge | releases in air | atmosphere, since it distribute | circulates upwards, hydrogen will collect upwards also in a waterproof case. Therefore, by first forming a ventilation filter on the upper side of the waterproof case, it is possible to discharge hydrogen flowing upward to the outside of the waterproof case.

Moreover, since the ventilation filter is the upper side surface of the waterproof case, it has an action that does not hinder the release of hydrogen. As a comparative example, it is conceivable to dispose hydrogen by disposing hydrogen on the upper surface side so that the filter faces upward, and a ventilation filter is provided so as to face the upper surface. If this happens, water droplets and dust may accumulate on the ventilation filter and impair air permeability. Then, the nickel metal hydride storage battery is in an abnormal state in a state where air permeability is inhibited, and even if hydrogen is released into the waterproof case, hydrogen cannot be released from the ventilation filter. However, its function and purpose cannot be fully exhibited. In particular, since the lighting device is once installed, cleaning and the like are performed irregularly. Therefore, it is preferable to keep air permeability of the ventilation filter without human work. Therefore, in the present invention, since the ventilation filter is provided on the side surface, the air permeability of the ventilation filter is prevented from being hindered by external factors, and the lighting device can be used for a relatively long time. It is possible to ensure the function of the ventilation filter without expecting the work such as cleaning by a person. Furthermore, even if a ventilation filter is provided on the upper side surface, it is not visually recognized from the outside by the decorative frame, so that the design property does not deteriorate. Further, since the ventilation filter is not exposed to the outside, it is possible to prevent the ventilation filter from being damaged.

Lighting apparatus according to claim 2, wherein, in the lighting equipment according to claim 1, wherein the gas permeable filter is characterized in that also provided on the bottom surface is a lower side of the waterproof case.

  According to the present invention, the flow path from the lower side to the upper side is formed in the waterproof case by first providing a ventilation filter also in the lower part, so when hydrogen is released into the waterproof case, By the ventilation of the ventilation filter from the lower side, hydrogen in the waterproof case is more efficiently discharged from the ventilation filter to the outside from the upper side. In addition, since the lower side ventilation filter is provided on the bottom surface of the waterproof case, it is difficult to receive external factors that impede air permeability during normal use, and it can reduce maintenance work, and it is provided in places that are difficult to see from the outside. Designability is not deteriorated.

Lighting device according to claim 3, in the illumination apparatus according to claim 1 or 2, wherein the gas permeable filter, characterized in that provided in the gap between the side surface of the reduction粧枠and the waterproof case.

According to the present invention, it is possible to the air permeability of the passing air filter can be ensured, so that the ventilation filter is not inhibited breathable by external source.

According to the first aspect of the present invention, by forming the ventilation filter on the upper side of the waterproof case, hydrogen can be released to the outside of the waterproof case from the upper side inside the waterproof case. In addition, since the ventilation filter has a side surface on the upper side of the waterproof case, the air permeability of the ventilation filter is prevented from being hindered by external factors, so even if hydrogen is released into the waterproof case Hydrogen can be released. Further, even if a ventilation filter is provided on the upper side surface, it is not visually recognized from the outside by the decorative frame, so that the design property does not deteriorate. Furthermore, since the ventilation filter is not exposed to the outside, it is possible to prevent the ventilation filter from being damaged.

  According to the second aspect of the present invention, when hydrogen is released into the waterproof case due to the provision of the ventilation filter at the lower side, the hydrogen in the waterproof case is further increased by the ventilation of the ventilation filter from the lower side. It is efficiently discharged from the upper side to the outside from the ventilation filter. In addition, since the lower side ventilation filter is provided on the bottom surface of the waterproof case, it is difficult to receive external factors that impede air permeability during normal use, so it can reduce maintenance work and is provided in places that are difficult to see from the outside. Designability does not deteriorate.

According to the invention of claim 3, passing the gas filter it can be prevented that the air permeability due to external factors Ru inhibited.

It is a perspective view which shows the guide light main body of one Embodiment. It is a perspective view which isolate | separates and shows each component of the same guide light main body. It is a front view which removes the display unit and shows a main body unit. It is explanatory drawing which shows the guide light of one Embodiment. It is explanatory drawing which shows the guide light of 2nd embodiment.

  Hereinafter, a guide lamp as a lighting device according to an embodiment of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.

  In FIG.1 and FIG.2, the guide light main body 1 is comprised so that it can be used by installing in installation surfaces, such as a ceiling surface and a vertical wall surface. The guide light main body 1 includes a main body unit 2 and a display unit 3 attached to the main body unit 2. The main unit 2 includes a case main body 4, a light source unit 5, a terminal block 6, a lighting device 7, a lighting device case 73, and a battery 8.

  First, the display unit 3 is configured by disposing a plate-shaped acrylic resin light guide plate 32 inside a unit case 31 having a substantially rectangular frame shape. On the surface side of the light guide plate 32, a display panel 33 on which a pictogram indicating a state in which a person is evacuating is displayed as a guidance display is provided. 34 is detachable.

  As shown in FIGS. 2 and 3, the main unit 2 has a flat box-like shape with a small size in the front-rear direction, that is, a thickness dimension, an opening on one side, that is, an opening 41 on the front side. A case body 4 is provided, and electrical components such as a light source unit 5, a terminal block 6, and a lighting device 7 are disposed inside the case body 4.

  The light source unit 5 uses an LED chip as a light source, and includes a substrate on which a plurality of LED chips are surface-mounted and a substrate mounting holder that holds the substrate. The substrate is formed in an elongated shape, and is attached to the upper portion of the case body 4 with the surface on which the LED chip is mounted facing downward. Therefore, the light emitted from the LED chip is incident on the upper end surface of the light guide plate 32, that is, the incident surface.

  The terminal block 6 is formed in a substantially rectangular box shape and is mounted below the mounting hole 47 of the back surface portion 42, and an external power line or an internal wiring introduced from the power line introduction port 46. It has a plurality of self-locking terminals into which core wires such as cords are inserted and electrically connected.

  The lighting device 7, which is a lighting unit, is housed in a lighting device case 73, connected to a power line via the terminal block 6, supplies its output to the LED chip of the light source unit 5, and controls the lighting of the LED chip for regular lighting. In addition, when the battery 8 is charged and the power from the power source is cut off, the power is switched to the power of the battery 8 and the LED chip is turned on as an emergency lighting.

  The battery 8 is formed by housing a battery body made of a nickel metal hydride storage battery inside a case 81. Although not shown, a release valve is formed in the case 81 so that the internal hydrogen is released from the case 81 when the battery body becomes very hot due to overcharging or the like.

  Next, in this embodiment, a ceiling-mounted guide light 100 will be described. 4A is a front view of the guide light 100, FIG. 4B is a top view of the guide light 100, FIG. 4C is a bottom view of the guide light 100, and FIG. 4D is a side view of the guide light 100. is there.

  The guide lamp 100 of this embodiment is formed by housing the guide lamp main body 1 in a waterproof case 9 and covering an opening (not shown) of the waterproof case 9 with a lid 10 that is a closing plate.

  The waterproof case 9 is made of acrylic having translucency on the entire surface, and an opening is formed on the upper side, which is the side facing the bottom surface 92. The waterproof case 9 is fixed to the lid body 10 with mounting screws 12. In addition, each wall surface of the waterproof case 9 is bonded to each end portion thereof to form a box-shaped outer shape. And the ventilation filters 20 and 20 are arrange | positioned at two places at two places of the side surface 91 of the upper side. The ventilation filter 20 is formed of a fine bubble soft foam sheet. Since these bubbles are very fine, they are permeable and breathable, but also have water repellency. That is, the ventilation filter 20 is configured as described above, and has air permeability, but prevents fluids such as water droplets and solids such as dust from passing therethrough.

  Further, the ventilation filters 20 and 20 on the upper side surface 91 are covered with the decorative frame 11. The decorative frame 11 is provided integrally with or separately from the lid 10, and a gap 14 is formed between the outer surface of the waterproof case 9 and the decorative frame 11 as shown in FIG. In this way, it is provided so as to cover the outer peripheral surface on the upper side of the waterproof case. Thereby, the connection structure between the lid body 10 and the waterproof case 9, the connection structure between the lid body 10 and the decorative frame 11, or the connection structure of the power line drawn into the guide lamp main body 1 from the window 15 of the lid body 10 are externally provided. It is made invisible.

  Further, on the bottom surface 92 of the waterproof case 9, ventilation filters 21 and 21 are disposed at two locations as shown in FIG.

  The operation and effect of the present embodiment will be described. In the guide light 100 of the present embodiment, the guide light main body 1 is waterproofed by the waterproof case 9 and the lid 10. And if the battery 8 which consists of nickel hydride storage batteries will be in abnormal states, such as overcharge, hydrogen will be discharge | released from the battery 8 and the waterproof case 9 will be filled with hydrogen. Therefore, first, by forming the ventilation filters 20 and 20 on the upper side of the waterproof case 9, hydrogen having very light characteristics can be discharged from the upper side in the waterproof case 9 to the outside of the waterproof case 9. Become. In addition, a ventilation path from the lower side to the upper side is formed in the waterproof case 9 by the ventilation filters 21 and 21 provided below. Accordingly, since convection from the lower side to the upper side occurs in the waterproof case 9, hydrogen filled in the prevention case 9 is more efficiently released from the upper ventilation filter 20 to the outside.

  Further, since the upper ventilation filter 20 is disposed on the side surface 91 of the waterproof case 9, the effect of not hindering the release of hydrogen is provided. Even if the filter 20 is arranged on the upper surface of the lid 10 so that the filter 20 faces upward, hydrogen can be released. However, if the ventilation filter 20 is provided so as to face the upper surface, the hydrogen from the upper side can be obtained. Water droplets and dust may accumulate on the ventilation filter 20 and impair air permeability. Then, the nickel metal hydride storage battery becomes in an abnormal state in a state where air permeability is inhibited, and even if hydrogen is released into the waterproof case 9, hydrogen cannot be released from the ventilation filter 20 to the outside. Even if it is provided, its function and purpose cannot be fully exhibited. In particular, the guide light 100 may be disposed at a high place, and once installed, cleaning or the like is performed irregularly. Therefore, the ventilation property of the ventilation filter 20 is continuously ensured without human work. Is preferred. Therefore, in this embodiment, since the ventilation filter 20 is provided on the side surface 91, the air permeability of the ventilation filter 20 is prevented from being hindered by external factors, and the guide light 100 is relatively long. Even when used for a long time, it is possible to ensure the breathability of the ventilation filter 20 without expecting work such as cleaning by a person.

  In addition, according to the present embodiment, since the lower side ventilation filters 21 and 21 are provided on the bottom surface 92 of the waterproof case 9, it is difficult to receive external factors that impair the air permeability during normal use, and the maintenance labor is reduced. In addition, the design is not deteriorated because it is provided at a location that is difficult to see from the outside.

  In addition, according to the present embodiment, even if the ventilation filters 20 and 20 are provided on the upper side surface 91, they are not visually recognized from the outside by the decorative frame, so that the design property does not deteriorate. In addition, since the air permeability of the ventilation filters 20 and 20 can be ensured and the ventilation filters 20 and 20 are not exposed to the outside, the ventilation filters 20 and 20 are not disturbed by the external factors and are damaged. This can be prevented.

  Further, according to the present embodiment, when the waterproof case 9 is formed, a box-like shape is formed by bonding using an adhesive or the like, but by forming the ventilation filters 20 and 21, the waterproof case 9 is formed by bonding. Even when the waterproof case 9 is used, air flows between the inside and outside of the waterproof case 9 during normal use. Therefore, the temperature difference between the inside and the outside is unlikely to occur, and peeling of the pasted portion due to the difference in the degree of expansion of the acrylic resin occurs. Can be prevented.

  Next, a second embodiment will be described with reference to FIG. 5A is a front view of the guide lamp 110, FIG. 5B is a top view of the guide lamp 110, FIG. 5C is a bottom view of the guide lamp 110, and FIG. 5D is a side view of the guide lamp 110. is there. In this example and each drawing, the same reference numerals are given to the same or corresponding parts as in the first embodiment, and the duplicated explanation is omitted.

  The guide light 110 of the present embodiment is a waterproof type and is a wall-mounted type. The waterproof case 9A is made of acrylic having translucency on the entire surface, and is formed in a box shape in which an opening is provided on the back side that is the front side 9B facing the display unit of the guide light body 1. Yes. And it fixes to 11 A of decorative frames which are a cover body with the attachment screw 12. FIG. In addition, each wall surface of the waterproof case 9A is bonded to each end to form a box-shaped outer shape. And the ventilation filter 20 is arrange | positioned in each one place of the upper side of both the side surfaces 9C and 9C of the front side 9B. Although this ventilation filter 20 is covered with the decorative frame 11A, since a gap 14A is formed between the side surfaces 9C, 9C of the waterproof case 9 and the decorative frame 11A, the ventilation filter 20 is The air inside and outside of the waterproof case 9A can be circulated through.

  According to this embodiment, it has the same operation and effect as the first embodiment.

  LED unit as a light source ... 5, battery as a nickel metal hydride storage battery ... 8, lighting device as a lighting unit ... 7, case body as a tool body ... 4, waterproof case ... 9, 9A, lid as a closing member ... 10 , Ventilation filters ... 20, 21, Guide lights as lighting devices ... 100, 110

Claims (3)

With a light source;
Nickel metal hydride storage battery;
A lighting unit for lighting the light source by the power supply from the nickel-metal hydride storage battery;
It said light source, a fixture main body the nickel-metal hydride storage battery and the lighting unit is provided;
With you housing the instrument body, the waterproof case is a box-shaped to have a opening on one side;
A closure member for closing the opening of the waterproof case;
A decorative frame that covers a side surface of the waterproof case so that a boundary between the opening of the waterproof case and the closing member cannot be visually recognized from the outside;
And it has a breathability, and the ventilation filter that is provided is covered with the decorative frame on the upper side of the side surface of the waterproof case;
An illumination device comprising: The vent filter, the illumination device according to claim 1, characterized in that also provided on the bottom surface is a lower side of the waterproof case. The vent filter, the illumination device according to claim 1 or 2, wherein the provided clearance between the side surface of the reduction粧枠and the waterproof case.

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