JP2010033846A - Lighting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting device capable of preventing falling of an emergency power source at the time of exchanging the emergency power source. <P>SOLUTION: The lighting device is provided with a device body 1, a light source part 2 which is installed at one end of the device body 1 and houses a discharge lamp of straight tube shape, a display panel 3 of which fringe portion is fitted to the light source part 2, introduces light from the light source 2 and emits from the front, an emergency power source 4 consisting of a chargeable secondary battery and a case 40 to house the secondary battery, and a lighting part 5 having a charging circuit and a lighting circuit. The device body 1 has an installation part 6 to which the case 40 is fitted detachably, and the installation part 6 is formed by cutting out the right lower corner of the device body 1, and a falling prevention mechanism is constructed of an insertion fitting member 41 provided at the upper surface of the case 40 and an insertion fitting groove 60 which is provided on one face opposed to the upper surface of the case 40 in the installation part 6 and to which the insertion fitting member 41 is fit in free sliding. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an emergency lighting device such as an emergency light or a guide light.

  Conventionally, emergency lighting devices such as emergency lights and guide lights are provided in public buildings. Hereinafter, a conventional example of such an illumination device will be described with reference to the drawings. However, in the following description, the upper, lower, left, and right in FIG.

  As shown in FIG. 3, this conventional example includes a flat box-shaped device body 1 that is disposed on the ceiling or wall surface and has an open front surface, and a straight pipe-shaped discharge device that is disposed at the upper end of the device body 1. A long box-shaped light source unit 2 for storing an electric lamp (not shown), and a display panel having an upper end edge attached to the light source unit 2 and introducing light from the light source unit 2 through the upper end edge and emitting it from the front surface 3.

  The apparatus main body 1 includes a rechargeable emergency power source 4, a regular lighting circuit that receives power from a commercial power source (not shown) and supplies lighting power to the discharge lamp of the light source unit 2, and a commercial power source The box-shaped case 50 includes a charging circuit for charging the emergency power supply 4 by receiving power supply, and an emergency lighting circuit for supplying lighting power to the discharge lamp of the light source unit 2 by receiving power supply from the emergency power supply 4. The lighting unit 5 that is housed is housed. Locked portions 10 into which locking protrusions 21 of the light source unit 2 described later are inserted and locked are provided at the left and right end portions on the upper side inside the apparatus main body 1. In addition, a pair of substantially L-shaped fitting portions 11 to which fitting protrusions 30 of the display panel 3 to be described later are fitted are provided on the left and right side surfaces inside the apparatus main body 1 respectively.

  The light source unit 2 is composed of a substantially rectangular parallelepiped container 20 having an open bottom surface and a rear surface, and a pair of sockets (not shown) to which a discharge lamp is detachably attached are provided at the left and right ends of the interior. ing. Further, locking projections 21 that are inserted into and locked to the locked portions 10 of the apparatus main body 1 are projected from both left and right ends of the container body 20. Thus, the light source portion 2 is attached to the apparatus main body 1 by inserting and locking the locking protrusion 21 to the locked portion 10.

  The display panel 3 is formed in a substantially flat plate shape from a resin material having translucency such as acrylic resin, for example, and its upper end surface is an incident surface on which light from the discharge lamp of the light source unit 2 is incident, and the front surface is the inside of the display panel 3. The light exits from the light that has passed through. Further, a reflection sheet (not shown) that reflects light is attached to the inner rear surface of the display panel 3 facing the emission surface. In addition, on the front surface, although not shown in the drawing, a guidance made up of a green part that is shaped like a human, a white part that covers the human part, and a green part that covers the door part. The display design is given. In addition, a pair of substantially rectangular fitting protrusions 30 that are fitted to the fitted portions 11 of the apparatus main body 1 are provided on the left and right side surfaces of the display panel 3, respectively. Thus, the display panel 3 is attached so as to cover the front surface of the apparatus main body 1 by fitting the fitting protrusion 30 to the fitted portion 11.

  The emergency power source 4 is composed of a secondary battery such as a nickel / cadmium battery, a nickel metal hydride battery, or a lithium ion battery, and a box-shaped case 40 formed of a resin material or the like to prevent the secondary battery from falling apart. It is stored in. A connector (not shown) for connecting to a charging circuit built in the lighting unit 5 is provided on the exterior of the case 40.

By the way, in the above conventional example, when the emergency power supply 4 is replaced, the display panel 3 must be removed, and the lighting device is generally installed at a high position near the ceiling on the ceiling or wall surface. There was a problem that the work was very troublesome. In order to solve the above problem, Patent Document 1 discloses a storage case that is detachably attached to the lower end of the apparatus main body 1 and that stores the emergency power supply 4 in the storage case. Further, Patent Document 2 discloses a storage space provided inside the lower end edge of the apparatus body 1 and the emergency power supply 4 stored in the storage space. In any case, the emergency power supply 4 can be replaced without removing the display panel 3, and the above problem is solved.
Japanese Patent Laid-Open No. 2001-1000067 JP 2001-1000067 A

  However, in the inventions described in Patent Documents 1 and 2, although the emergency power supply 4 can be easily replaced on the lower side of the apparatus main body 1, the emergency power supply 4 or the emergency power supply 4 is accidentally changed during the replacement work. When the hand is slid from the storage case in which the emergency power supply 4 is stored, the emergency power supply 4 or the storage case falls, so that the emergency power supply 4 may be lost or damaged.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an illuminating device capable of preventing the emergency power supply from dropping when the emergency power supply is replaced.

  In order to achieve the above object, the invention of claim 1 is a box-shaped device main body disposed on a ceiling or a wall surface, and a box-shaped device disposed at one end of the device main body and containing one or more light sources. A light source unit, a display panel that has an edge part attached to the light source part, introduces light from the light source part through the edge part, and emits the light from the front side, a rechargeable secondary battery, and a secondary battery An emergency power source comprising a case, a regular lighting circuit for supplying lighting power to the light source by receiving power from the commercial power source, a charging circuit for charging the emergency power source by receiving power from the commercial power source, and an emergency A lighting unit having an emergency lighting circuit that receives power supply from the power source and supplies lighting power to the light source, and the device body is provided with a mounting unit to which the emergency power source is detachably mounted. Attach the emergency power supply to the main unit. Emergency power supply, characterized in that the fall prevention mechanism for preventing the falling is provided when.

  According to a second aspect of the present invention, in the first aspect of the invention, the attachment portion is formed by cutting out any one of the four corners of the apparatus main body, and the fall prevention mechanism is provided in the gravitational direction facing the attachment portion in the case. It is characterized by comprising a fitting piece projecting on one surface and a fitting groove which is recessed on one surface of the mounting portion facing the one surface of the case and into which the fitting piece is slidably fitted.

  According to a third aspect of the present invention, in the first aspect of the present invention, the mounting portion is formed of a recess that is recessed in a side surface along the direction of gravity of the apparatus main body so that the case can be inserted. Inclined in the direction of gravity from the opening toward the inside of the apparatus main body.

  The invention according to claim 4 is the invention according to claim 2 or 3, wherein the case is formed such that at least one surface thereof is located on the same surface as any one surface of the apparatus main body when attached to the attachment portion. It is characterized by that.

  According to the first aspect of the present invention, it is possible to prevent the emergency power supply from falling even if the hand is accidentally slid from the emergency power supply during the work of replacing the emergency power supply. Therefore, loss or damage of the emergency power supply due to falling can be avoided.

  According to the invention of claim 2, even if the hand is accidentally slipped from the case in which the emergency power supply is stored during the work of replacing the emergency power supply, the fitting piece of the case is fitted into the fitting groove of the mounting portion. It is possible to prevent the case from falling by being fitted to.

  According to the invention of claim 3, even if the hand is accidentally slipped from the case in which the emergency power source is stored during the work for replacing the emergency power source, the case is guided to the concave side of the mounting portion according to its own weight. Since it is stored in the recess, the case can be prevented from falling.

  According to the invention of claim 4, since any one surface of the case and any one surface of the apparatus main body are flush with each other when the emergency power source is attached to the mounting portion, it is determined whether or not the emergency power source is attached. It can be confirmed visually.

(Embodiment 1)
Hereinafter, Embodiment 1 of the lighting device according to the present invention will be described with reference to the drawings. In addition, since the basic structure of this embodiment is common with a prior art example, the same number is attached | subjected to a common site | part and description is abbreviate | omitted. In the following description, the top, bottom, left, and right in FIG. In this embodiment, as shown in FIGS. 1A and 1B, a box-shaped device main body 1 disposed on a ceiling or a wall surface, and a straight pipe shape disposed on one end of the device main body 1. A box-shaped light source unit 2 that accommodates a discharge lamp, a display panel 3 that has an edge attached to the light source unit 2 and introduces light from the light source 2 through the edge and emits it from the front surface, and can be charged An emergency power source 4 comprising a secondary battery (not shown) and a case 40 for housing the secondary battery, a regular lighting circuit for supplying lighting power to the discharge lamp upon receiving power from the commercial power source, and commercial power source A charging circuit for charging the emergency power supply 4 by receiving power from the power supply, and a lighting unit 5 having an emergency lighting circuit for receiving lighting power from the emergency power supply 4 and supplying lighting power to the discharge lamp, The apparatus main body 1 is provided with an attachment portion 6 to which the case 40 is detachably attached. There.

  The attachment portion 6 is formed by cutting out the lower right corner of the apparatus main body 1 into a substantially rectangular shape, and the case 40 is disposed so as to fill the notched portion. From the front and rear end edges of the upper surface of the attachment portion 6, projecting walls 60a having a substantially L-shaped cross section are provided so as to protrude in the left-right direction. A T-shaped fitting groove 60 is formed in the left-right direction. A connector 61 through which a pair of pin insertion holes 61a into which terminal pins 42 of an emergency power source 4 (to be described later) are inserted is embedded in the left side surface of the mounting portion 6. By inserting the terminal pin 42 into the pin insertion hole 61a of the connector 61, the emergency power supply 4, the charging circuit, and the emergency lighting circuit are electrically connected. Further, a first locking piece 62 that is formed in a substantially L-shaped cross section and is locked in a first locking groove 43 of the case 40 to be described later protrudes from the lower left end of the mounting portion 6. .

  The case 40 is formed in a substantially rectangular parallelepiped shape, and one or more secondary batteries are accommodated therein. Further, the case 40 is formed in such a dimension that the right side surface thereof is located on the same plane as the right side surface of the apparatus main body 1 in a state of being attached to the attachment portion 6. A fitting piece 41 having a substantially T-shaped cross section is provided on the upper surface of the case 40 so as to protrude in the left-right direction. The fitting piece 41 includes a protruding piece 41a protruding upward and a pair of wing pieces 41b extending from the upper end of the protruding piece 41a to the front and rear. In addition, a first locking groove 43 having a substantially L-shaped cross section in which the first locking piece 62 is locked is recessed in the lower surface of the case 40. From the left side surface of the case 40, a pair of terminal pins 42 that are electrically connected to the internal secondary battery project. The front and rear surfaces of the case 40 are provided with a non-slip portion 40a (only the front surface in the drawing) formed of a plurality of protrusions. When the case 40 is held by hand, the anti-slip portion 40a is gripped. It is possible to prevent the hand from sliding from the case 40.

  Hereinafter, a method of attaching the emergency power supply 4 to the attachment portion 6 will be described. First, the fitting piece 41 of the case 40 is inserted into the fitting groove 60 of the mounting portion 6 and the case 40 is slid. Next, the terminal pin 42 is inserted into the pin insertion hole 61 a of the connector 61, and finally the first locking piece 62 is locked in the first locking groove 43, so that the emergency power source 4 is attached to the mounting portion 6. It is attached. In addition, when removing the emergency power supply 4 from the attachment part 6, the procedure reverse to the above may be performed.

  Here, since the fall prevention mechanism is constituted by the fitting piece 41 of the case 40 and the fitting groove 60 of the attachment portion 6, the work of attaching the emergency power supply 4 to the attachment portion 6 or removing it from the attachment portion 6 Even if the hand is slipped by mistake, the case 40 can be prevented from falling by the wing piece 41b of the fitting piece 41 being caught by the protruding wall 60a. Therefore, loss or damage of the emergency power supply 4 due to dropping can be avoided.

  In the present embodiment, the attachment portion 6 is provided by cutting out the lower right corner of the apparatus main body 1. However, the present invention is not limited to this configuration. For example, the attachment section 6 is provided by cutting out the upper right corner of the apparatus main body 1. It doesn't matter.

(Embodiment 2)
Hereinafter, Embodiment 2 of the lighting device according to the present invention will be described with reference to the drawings. Since the basic configuration of the present embodiment is common to that of the first embodiment, the same parts are denoted by the same reference numerals and description thereof is omitted. In the following description, the top, bottom, left, and right in FIG. In the present embodiment, as shown in FIGS. 2A and 2B, the configurations of the attachment portion 6 and the case 40 are different from those in the first embodiment.

  The attachment portion 6 includes a recess portion 64 that is recessed on the right side of the apparatus main body 1 and that is recessed in the right direction, and a recess 63 into which the case 40 can be inserted. The recess 63 is inclined from the opening toward the inside of the apparatus main body 1 in the direction of gravity (in the present embodiment, the lower left direction), and a connector 61 having a pair of pin insertion holes 61a formed through the bottom. Is buried. The recess 64 is provided with a second locking groove 64a having a substantially L-shaped cross section into which a second locking piece 44 of the case 40 described later is inserted.

  The case 40 is formed in a substantially U-shaped cross section, and one or more secondary batteries are accommodated therein. Further, the case 40 is formed in such a dimension that the right side surface thereof is located on the same plane as the right side surface of the apparatus main body 1 in a state of being attached to the attachment portion 6. A second locking piece 44 having a substantially L-shaped cross section that protrudes in the left direction protrudes from the upper left side surface of the case 40. In addition, a pair of terminal pins 42 that are electrically connected to the internal secondary battery project from the lower surface of the case 40.

  Hereinafter, a method of attaching the emergency power supply 4 to the attachment portion 6 will be described. First, the lower end portion of the case 40 is inserted into the recess 63 of the attachment portion 6 and is slid in the lower left direction along the inner surface of the recess 63. Next, the terminal pin 42 is inserted into the pin insertion hole 61a of the connector 61, and finally the second locking piece 44 is locked to the second locking groove 64a, so that the emergency power supply 4 is attached to the mounting portion 6. It is attached. In addition, when removing the emergency power supply 4 from the attachment part 6, the procedure reverse to the above may be performed.

  Here, since the recess 63 of the attachment portion 6 constitutes a fall prevention mechanism, even if the hand is accidentally slipped during the operation of attaching the emergency power supply 4 to the attachment portion 6 or removing it from the attachment portion 6, the case Since 40 is guided to the inner surface of the recess 63 according to its own weight and stored in the recess 63, the case 40 can be prevented from falling. Therefore, loss or damage of the emergency power supply 4 due to dropping can be avoided.

  In the present embodiment, the mounting portion 6 is recessed in the right side portion of the apparatus main body 1. However, the present invention is not limited to this configuration. For example, a recess 63 is provided in the upper right corner of the apparatus main body 1. A configuration may be adopted in which the case 40 is inserted into the recess 63 from above and stored. In the case of this configuration, it is desirable to separately provide a lid that closes the opening of the recess 63.

  In the first and second embodiments, the right side surface of the case 40 and the right side surface of the apparatus main body 1 are located on the same plane in the state where the emergency power source 4 is attached to the attachment portion 6. Therefore, it can be visually confirmed whether or not the emergency power supply 4 is attached to the attachment portion 6.

  In the first and second embodiments, a straight tube type discharge lamp is used as the light source. However, the present invention is not limited to this. For example, a light emitting element such as a light emitting diode may be used as the light source.

It is a figure which shows Embodiment 1 of the illuminating device which concerns on this invention, (a) is a whole perspective view, (b) is a principal part enlarged view at the time of battery case attachment. It is a figure which shows Embodiment 2 of the illuminating device which concerns on this invention, (a) is a whole perspective view, (b) is a principal part enlarged view at the time of battery case attachment. It is a disassembled perspective view which shows the conventional illuminating device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Light source part 3 Display panel 4 Emergency power supply 40 Case 41 Fitting piece 6 Mounting part 60 Fitting groove

Claims (4)

  A box-shaped device main body disposed on the ceiling or wall surface, a box-shaped light source unit disposed at one end of the device main body for storing one or more light sources, and an edge portion attached to the light source unit Power supply from a display panel that introduces light from the light source section from the edge and emits it from the front, a rechargeable battery, a case for housing the secondary battery, and a commercial power supply And a lighting circuit for supplying lighting power to the light source, a charging circuit for charging the emergency power supply by receiving power supply from the commercial power supply, and supplying lighting power to the light source by receiving power supply from the emergency power supply A lighting unit having an emergency lighting circuit, and the device main body is provided with a mounting portion to which an emergency power source can be detachably attached. The mounting portion has an emergency power source when the emergency power source is attached to the device main body. Fall prevention to prevent the fall Mechanism illumination device, wherein a provided.   The mounting portion is formed by cutting out any one of the four corners of the apparatus main body, and the fall prevention mechanism includes a fitting piece projecting on one surface in the gravity direction facing the mounting portion in the case, and the mounting portion The illumination device according to claim 1, further comprising a fitting groove that is recessed on one surface of the case opposite to the one surface and into which the fitting piece is slidably fitted.   The mounting portion is formed of a recess that is recessed on a side surface of the apparatus main body along the gravity direction and into which the case can be inserted, and the fall prevention mechanism has a recess in the gravity direction from the opening toward the inside of the apparatus main body. The lighting device according to claim 1, wherein the lighting device is inclined.   4. The lighting device according to claim 2, wherein the case is formed so that at least one surface thereof is positioned on the same surface as any one surface of the device main body when attached to the attachment portion.

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