Luminaire

Abstract

To improve workability when detaching a cover from an appliance body.SOLUTION: A luminaire 1 comprises a light source unit 2, a battery unit 3, a circuit unit 4, a radio communication unit 5, an appliance body 10, and a cover 11. The radio communication unit 5 performs radio communication using a radio wave as a medium. The appliance body 10 holds the light source unit 2, the battery unit 3, the circuit unit 4, and the radio communication unit 5. The cover 11 is attached to the appliance body 10 so as to cover the battery unit 3 and the circuit unit 4. The cover 11 comprises a protruding hole 115 for protruding a portion of the radio communication unit 5 to the outside, and can be attached to and detached from the appliance body 10 while the radio communication unit 5 is held by the appliance body 10.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present disclosure generally relates to lighting fixtures, and more particularly to lighting fixtures provided with a battery unit and a wireless communication unit.

Background Art

[0002] Patent Document 1 describes a lighting device including a main body portion, a light source, a frame member, and an antenna. Inside the main body portion, a storage battery, a communication module that controls the antenna, a lighting device that controls lighting of the light source, and the like are accommodated. The light source is, for example, an emergency lamp and lights up when there is a power outage in the external power source. The frame member functions as a cover that covers an opening on the light source side in the main body portion. Further, the frame member has a through hole corresponding to the position of the light source and a through hole corresponding to the position of the antenna. The antenna protrudes toward the positive Z-axis direction, which is the irradiation direction of the light source, and a cover made of, for example, resin is provided on the protruding portion thereof.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the lighting device (lighting fixture) described in Patent Document 1, before the operation of removing the frame member (cover) from the main body portion (apparatus main body), it is necessary to perform an operation of removing the cover that covers the protruding portion of the antenna. As a result, the workability when removing the frame member from the main body portion may be reduced.

[0005] An object of the present disclosure is to provide a lighting fixture capable of improving workability when removing a cover from an apparatus main body.

Means for Solving the Problems

[0006] The lighting fixture according to one aspect of the present disclosure includes a light source unit, a battery unit, a circuit unit, a wireless communication unit, an appliance body, and a cover. The light source unit has a light source. The battery unit has a storage battery. The circuit unit has a lighting circuit that lights the light source with charging power charged in the storage battery. The wireless communication unit performs wireless communication using radio waves as a medium. The appliance body holds the light source unit, the battery unit, the circuit unit, and the wireless communication unit. The cover is attached to the appliance body so as to cover the battery unit and the circuit unit. The cover has a protruding hole that protrudes a part of the wireless communication unit to the outside, and is detachable from the appliance body while the wireless communication unit is held by the appliance body.

Advantages of the Invention

[0007] According to the lighting fixture according to one aspect of the present disclosure, it is possible to improve the workability when removing the cover from the appliance body.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Modes for Carrying Out the Invention

[0009] Hereinafter, the lighting fixture according to the embodiment will be described with reference to the drawings. The drawings referred to in the following embodiments and the like are schematic diagrams, and the sizes and thicknesses of the components in the drawings do not necessarily reflect the actual dimensions, nor do the ratios of the sizes and the ratios of the thicknesses between the components necessarily reflect the actual dimensional ratios.

[0010] (Embodiment) (1) Overview First, the overview of the lighting fixture 1 according to the embodiment will be described with reference to FIGS. 1 to 3.

[0011] As shown in FIGS. 1 to 3, the lighting fixture 1 according to the embodiment is an emergency light, which is a type of emergency lighting fixture with a built-in battery. The emergency light is an emergency lighting fixture for general lighting to illuminate the evacuation route in the event of a power outage due to a disaster such as a fire. In this embodiment, as an example, the lighting fixture 1 is a ceiling-embedded type emergency light that is embedded in the ceiling.

[0012] In the following description, unless otherwise specified, the front-rear direction and the left-right direction indicated by the arrows in FIG. 3 are defined as the front-rear direction and the left-right direction of the lighting fixture 1 and its components. Also, the normal direction of the paper surface of FIG. 3 is defined as the up-down direction of the lighting fixture 1 and its components. However, these directions are not intended to limit the directions of use of the lighting fixture 1 and its components. Also, the arrows indicating "front", "rear", "left", "right", and "down" in FIG. 3 are only for the purpose of explanation and do not have any physical entity.

[0013] As shown in FIGS. 1 to 3, the lighting fixture 1 according to the embodiment includes a light source unit 2, a battery unit 3, a circuit unit 4, a wireless communication unit 5, a fixture body 10, and a cover 11. The light source unit 2 has an LED module 20 (light source). The battery unit 3 has a storage battery 30. The circuit unit 4 has a lighting circuit 402 (see FIG. 5) that lights the LED module 20 with the charging power charged in the storage battery 30. The wireless communication unit 5 performs wireless communication using radio waves as a medium. The fixture body 10 holds the light source unit 2, the battery unit 3, the circuit unit 4, and the wireless communication unit 5. The cover 11 is attached to the fixture body 10 so as to cover the battery unit 3 and the circuit unit 4. The cover 11 has a protruding hole 115 that protrudes a part (second housing part 502) of the wireless communication unit 5 to the outside. The cover 11 is detachable from the fixture body 10 while the wireless communication unit 5 is held by the fixture body 10.

[0014] In the lighting fixture 1 according to the embodiment, the cover 11 is detachable from the fixture body 10 while the wireless communication unit 5 is held by the fixture body 10. As a result, it is possible to remove the cover 11 from the fixture body 10 without removing the wireless communication unit 5 from the fixture body 10, and thus it is possible to improve the workability when removing the cover 11 from the fixture body 10.

[0015] (2) Details Next, each component of the lighting fixture 1 according to the embodiment will be described with reference to FIGS. 1 to 5.

[0016] As shown in FIGS. 1 and 2, the lighting fixture 1 according to the embodiment includes a light source unit 2, a battery unit 3, a circuit unit 4, a wireless communication unit 5, a fixture body 10, and a cover 11. The lighting fixture 1 further includes a pair of supports 12 and a pair of mounting springs 13. The lighting fixture 1 is attached to the ceiling by a pair of supports 12.

[0017] (2.1) Light source unit As shown in FIGS. 2 and 3, the light source unit 2 includes an LED module 20, a heat dissipation member 21, a lens block 22, a mounting member 23, and a pressing member 24.

[0018] The LED module 20 is a so-called white LED (Light Emitting Diode) for illumination. In this embodiment, the LED module 20 corresponds to the light source. That is, the light source unit 2 has a light source (LED module 20).

[0019] The lens block 22 is made of, for example, glass. The lens block 22 has a generally frustum-shaped lens portion 220 and an annular outer flange portion 221 that protrudes outward from the periphery of the lens portion 220 (see FIG. 2). The lens portion 220 controls the light distribution of the illumination light emitted from the LED module 20.

[0020] The heat dissipation member 21 is formed in a U shape having a lower side wall, a left side wall, and a right side wall made of a material with high heat dissipation, such as an aluminum material. The heat dissipation member 21 is a member for dissipating the heat generated by the LED module 20. The heat dissipation member 21 has an exposure hole 211 (see FIG. 3) for exposing the socket 6 described later. The exposure hole 211 is formed, for example, in a rectangular shape in a plan view from below. The opening dimension of the exposure hole 211 is slightly larger than the outer dimension of the socket 6. Note that the shape of the exposure hole 211 is not limited to a rectangular shape, and any shape that can expose the socket 6 may be used, for example, a circular shape or an elliptical shape.

[0021] The pressing member 24 is formed in a disk shape from a synthetic resin material such as polycarbonate resin. A square hole 240 is opened in the center of the pressing member 24. A part of the LED module 20 is inserted into the hole 240 of the pressing member 24, and the peripheral portion of the LED module 20 is pressed by a pressing portion 241 at the edge of the hole 240 in the pressing member 24.

[0022] The mounting member 23 is formed in an elliptical shape from a synthetic resin material such as polycarbonate resin. In the center of the mounting member 23, a circular recess that is recessed downward and a circular window hole 231 that opens at the bottom of the recess are provided. The mounting member 23 has the lens portion 220 of the lens block 22 inserted through the window hole 231, and is screwed to the lower surface of the heat dissipation member 21 with the LED module 20, the pressing member 24, and the outer flange portion 221 of the lens block 22 housed in the recess.

[0023] (2.2) Battery unit The battery unit 3 includes a plurality of storage batteries 30 and a case 31 that houses the plurality of storage batteries 30. Each of the plurality of storage batteries 30 is, for example, a cylindrical nickel-metal hydride battery (see FIG. 3). Note that each storage battery 30 may be a rectangular-prism-shaped nickel-metal hydride storage battery, or a cylindrical or rectangular-prism-shaped lithium-ion storage battery, etc. Also, the number of storage batteries 30 may be any number that can satisfy the standard value of the lighting time required for the emergency light.

[0024] The case 31 is formed in a cylindrical shape with the bottom surfaces on both the upper and lower sides being horseshoe-shaped (U-shaped) (see FIGS. 2 and 3). The plurality of storage batteries 30 are housed in the case 31 with their axial directions being the vertical direction and arranged in a row along the radial direction (see FIG. 3). Also, a connector portion 32 (see FIG. 2) is provided at one end portion on the lower side of the case 31. The connector portion 32 is configured to electrically connect the plurality of storage batteries 30 that are electrically connected in series within the case 31 to the lighting device 40 of the circuit unit 4 described later.

[0025] (2.3) Circuit unit The circuit unit 4 includes a lighting device 40 (see FIG. 5), a housing 41, and a terminal block case 42.

[0026] The housing 41 is formed in a box shape from a synthetic resin material. The housing 41 houses the lighting device 40. Also, the housing 41 further houses two operation members 43 (see FIG. 1) that respectively press two push-button switches 406A and 406B described later.

[0027] The terminal block case 42 is formed in a box shape from a synthetic resin material and is attached to the housing 41 so as to cover the terminal block attached to the outer surface of the housing 41. Note that the terminal block is electrically connected to the lighting device 40, and a power cable drawn in from a lead-in hole provided on the top surface of the appliance main body 10 is detachably connected thereto. That is, the lighting device 40 is electrically connected to the power cable via the terminal block.

[0028] The lighting device 40 can be realized by, for example, a computer system having one or more processors and one or more memories. That is, when one or more processors execute a program recorded in one or more memories of the computer system, it functions as a control circuit 404 described later. The program is here recorded in advance in the memory of the computer system, but may be provided through an electrical communication line such as the Internet, or may be provided recorded on a non-transitory recording medium such as a memory card.

[0029] As shown in FIG. 5, the lighting device 40 includes a DC power supply circuit 400, a charging circuit 401, a lighting circuit 402, a power failure detection circuit 403, a control circuit 404, a monitor lamp 405, two push button switches 406, and a receiving unit 407.

[0030] The DC power supply circuit 400 is composed of, for example, a self-excited switching power supply circuit such as a ringing choke converter. The DC power supply circuit 400 converts an AC voltage supplied from an external power supply (for example, a commercial power system) 8 into a DC voltage lower than the effective value of the AC voltage.

[0031] The charging circuit 401 operates when power is being supplied from the external power supply 8 and is configured to pass a charging current from the DC power supply circuit 400 to the battery unit 3.

[0032] The lighting circuit 402 is configured to convert the direct current supplied from the battery unit 3 into a constant current and supply it to the light source unit 2. That is, the circuit unit 4 has a lighting circuit 402 that lights the light source (LED module 20) with the charging power charged in the storage battery 30.

[0033] The power outage detection circuit 403 is configured to detect a power outage of the external power supply 8 from the output voltage of the DC power supply circuit 400 and notify the control circuit 404.

[0034] The monitor lamp 405 is composed of, for example, a light-emitting diode that emits green light, and emits light by the charging current supplied from the charging circuit 401 to the battery unit 3. That is, by making the monitor lamp 405 emit light, it is notified that the storage battery 30 is being charged by the charging circuit 401.

[0035] The receiving unit 407 is configured to receive a wireless signal using infrared rays as a communication medium, demodulate a transmission frame from the received wireless signal, and pass it to the control circuit 404. This wireless signal is transmitted from a wireless transmitter operated by an operator who performs regular inspection work. The regular inspection is carried out at regular intervals defined by laws and regulations, and is aimed at forcibly operating the lighting circuit 402 to confirm that the light source unit 2 maintains the lighting state for a specified time or more.

[0036] When the power failure detection circuit 403 does not detect a power failure, the control circuit 404 is configured to operate the charging circuit 401 and stop the lighting circuit 402. Also, when the power failure detection circuit 403 detects a power failure, the control circuit 404 is configured to stop the charging circuit 401 and operate the lighting circuit 402. Further, when one of the push button switches 406B is pressed or when a transmission frame is received from the receiving unit 407, the control circuit 404 is configured to stop the charging circuit 401 and operate the lighting circuit 402 to perform an inspection operation. Also, when the other push button switch 406A is pressed, the control circuit 404 is configured to stop the charging circuit 401 for several seconds, operate the lighting circuit 402, then stop the lighting circuit 402 and operate the charging circuit 401. Each of the two push button switches 406A and 406B is pressed by the corresponding operating member 43 among the two operating members 43 (see FIG. 1).

[0037] Here, a socket 6 (see FIGS. 2 and 3) is connected to the control circuit 404. A connector 53 (see FIG. 2) of the wireless communication unit 5 described later is detachably connected to the socket 6. When the connector 53 is connected to the socket 6, communication becomes possible between the control circuit 404 and the wireless communication circuit 52 described later. The socket 6 includes a communication port for connecting the connector 53. The socket 6 has a concavo-convex structure for physically fixing the connector 53 and a terminal structure for forming communication with the connector 53. The socket 6 is, for example, rectangular in a plan view from below, but may be circular or elliptical.

[0038] (2.4) Wireless communication unit As shown in FIG. 5, the wireless communication unit 5 includes an antenna 51, a wireless communication circuit 52, and a housing 50 (see FIG. 2).

[0039] The antenna 51 is, for example, a so-called meander line antenna composed of a conductor (copper foil) having a meander structure formed on the surface of an insulating substrate. However, the antenna 51 is not limited to a meander line antenna, and may be, for example, a half-wavelength dipole, a quarter-wavelength dipole antenna, an inverted F antenna, or a microstrip antenna.

[0040] The wireless communication circuit 52 receives a wireless signal received by the antenna 51, for example, a wireless signal using radio waves in the 920 MHz band as a medium. Further, the wireless communication circuit 52 acquires a control command from the wireless signal and transmits the control command to the control circuit 404 of the lighting device 40. Furthermore, the wireless communication circuit 52 transmits, as a wireless signal, a message (for example, the result of inspection) received from the control circuit 404 from the antenna 51. Here, the control commands acquired by the wireless communication circuit 52 include, for example, a command for instructing the control circuit 404 to start an inspection operation and a command for instructing the control circuit 404 to transmit the result of the inspection. That is, the wireless communication unit 5 performs wireless communication using radio waves as a medium. Further, the wireless communication circuit 52 transmits and receives wireless signals via the antenna 51.

[0041] The housing 50 houses the antenna 51 and the wireless communication circuit 52. As shown in FIG. 2, the housing 50 includes a first housing portion 501 and a second housing portion 502. The first housing portion 501 is, for example, made of metal and functions as a connector 53 that is detachably connected to the socket 6 (see FIG. 3). The second housing portion 502 is formed of a flame-retardant material such as thin metal or alloy, glass, or flame-retardant resin, and is a portion that is exposed outside the cover 11 when the connector 53 is connected to the socket 6. The connector 53 includes a communication port for connecting to the socket 6. The connector 53 has a concavo-convex structure configured to fit with the concavo-convex structure of the socket 6 and a terminal structure for forming communication with the socket 6. The wireless communication unit 5 is, for example, rectangular in a plan view from below, but may be circular or elliptical.

[0042] (2.5) Appliance body The appliance body 10 is formed in a bottomed cylindrical shape with an open bottom surface. More specifically, the appliance body 10 is formed in a rectangular cylindrical shape having 12 flat walls. Further, a flange piece 100 protruding outward is formed at the lower end edge of each of the 12 walls of the appliance body 10 (see FIGS. 2 and 3). As shown in FIG. 3, the appliance body 10 is formed in a size capable of accommodating the light source unit 2, the battery unit 3, the circuit unit 4, and the wireless communication unit 5 inside. Also, the appliance body 10 is configured to hold the light source unit 2, the battery unit 3, the circuit unit 4, and the wireless communication unit 5 housed inside. Here, "the wireless communication unit 5 is held by the appliance body 10" includes not only the case where the wireless communication unit 5 is directly held by the appliance body 10 but also the case where the wireless communication unit 5 is indirectly held by the appliance body 10 via other components. In the present embodiment, the wireless communication unit 5 is attached to the circuit unit 4 via a socket 6 provided in the circuit unit 4. For this reason, the wireless communication unit 5 is indirectly held by the appliance body 10 via the circuit unit 4 held by the appliance body 10.

[0043] Supports 12 are respectively attached to one each of the left and right side walls of the appliance body 10 (see FIGS. 1 and 2). The pair of supports 12 is preferably formed in a long leaf spring shape. Each of the pair of supports 12 is fixed to the wall of the appliance body 10 at one end in the longitudinal direction and is configured to be bendable in a direction (upward) in which the other end in the longitudinal direction approaches the top surface of the appliance body 10. That is, the appliance body 10 is supported by the ceiling material by sandwiching the ceiling material between a pair of supports 12 inserted into an embedding hole formed in the ceiling surface and a plurality of flange pieces 100 provided on the lower end surface of the appliance body 10.

[0044] (2.6) Cover The cover 11 is formed in a disc shape that is larger than the outer diameter of the appliance body 10 (the outer diameter of the leading edges of the plurality of flange pieces 100), and a circular window hole 110 is provided at the center (see FIGS. 1 and 2). The lens portion 220 of the light source unit 2 is inserted through the window hole 110. The cover 11 is detachably attached to the appliance body 10 and is configured to close the opening 101 on the lower surface of the appliance body 10 when attached to the appliance body 10. More specifically, the cover 11 is detachably attached to the appliance body 10 so as to cover the battery unit 3 and the circuit unit 4 held by the appliance body 10.

[0045] Furthermore, in the vicinity of the window hole 110 on the bottom surface of the cover 11, four holes (first hole 111, second hole 112, third hole 113, fourth hole 114) are provided so as to be arranged in two vertical and horizontal rows. The first hole 111 and the second hole 112 are provided at positions corresponding to the two operation members 43. The third hole 113 is provided at a position corresponding to the monitor lamp 405. The fourth hole 114 is provided at a position corresponding to the receiving unit 407.

[0046] Also, a protruding hole 115 is provided in the vicinity of the second hole 112 on the bottom surface of the cover 11. The protruding hole 115 is provided at a position corresponding to the socket 6 to which the wireless communication unit 5 is connected. The protruding hole 115 is formed, for example, in a rectangular shape in a plan view from below. As shown in FIG. 4, the opening dimension of the protruding hole 115 is larger than the outer dimension of the second housing portion 502 of the wireless communication unit 5. Therefore, according to the lighting fixture 1 according to the embodiment, it is possible to attach and detach the wireless communication unit 5 through the protruding hole 115 without removing the cover 11 from the appliance body 10. That is, the appliance body 10 detachably holds the wireless communication unit 5. When the connector 53 of the wireless communication unit 5 is connected to the socket 6, the second housing portion 502 of the wireless communication unit 5 protrudes to the outside through the protruding hole 115 (see FIG. 1). That is, the cover 11 has a protruding hole 115 that allows a part (second housing portion 502) of the wireless communication unit 5 to protrude to the outside. And the cover 11 is detachable from the appliance body 10 while holding the wireless communication unit 5 on the appliance body 10.

[0047] Note that the shape of the protruding hole 115 in a plan view from below is not limited to a rectangular shape, and it only needs to be larger than the outer shape of the wireless communication unit 5. For example, it may be circular or elliptical.

[0048] Also, as shown in FIG. 4, a seal member 7 is detachably attached to the opening edge of the protruding hole 115 of the cover 11. That is, the seal member 7 is detachably attached to the cover 11. The seal member 7 is a member (packing) for closing the gap G1 provided between the protruding hole 115 of the cover 11 and the wireless communication unit 5 (the second housing portion 502 thereof), and is formed in a rectangular frame shape, for example, in a plan view from below. That is, a gap G1 is provided between the wireless communication unit 5 and the protruding hole 115. Then, the seal member 7 is disposed in the gap G1 so as to close the gap G1. That is, the lighting fixture 1 according to the embodiment further includes a seal member 7 disposed in the gap G1. The material of the seal member 7 is, for example, a synthetic resin such as silicone rubber, but is not limited thereto. That is, any other material may be used as long as it can close the gap G1 between the protruding hole 115 of the cover 11 and the wireless communication unit 5. Here, in the examples of FIGS. 1 and 4, the seal member 7 is hatched, but this hatching is only for easily identifying the seal member 7 and the wireless communication unit 5, and does not mean that the seal member 7 is a cross section.

[0049] Note that the shape of the seal member 7 in a plan view from below is not limited to a rectangular frame shape, and any shape that matches the shapes of the protruding hole 115 and the wireless communication unit 5 may be used. For example, when the shapes of the protruding hole 115 and the wireless communication unit 5 in a plan view from below are circular, the shape of the seal member 7 in a plan view from below may be formed in an annular shape.

[0050] At the front end and the rear end on the upper surface of the cover 11, mounting springs 13 (see Fig. 2) are respectively mounted. The pair of mounting springs 13 are detachably inserted into insertion grooves provided in pairs on the front side and the rear side of the inner peripheral surface of the appliance body 10. That is, the cover 11 is held by the appliance body 10 in a state of closing the lower surface of the appliance body 10 when the pair of mounting springs 13 are respectively inserted into the pair of insertion grooves (see Fig. 1).

[0051] (3) Assembly procedure of the lighting fixture Next, the assembly procedure of the lighting fixture 1 according to the embodiment will be described. Hereinafter, it will be described on the assumption that the pair of supports 12 are attached to the appliance body 10 in advance, and the pair of mounting springs 13 are attached to the cover 11 in advance.

[0052] First, an operator performing the assembly work houses the circuit unit 4 in the appliance body 10 and caulks and fixes the housing 41 of the circuit unit 4 to the top surface of the appliance body 10. The circuit unit 4 is arranged in the space on the right side in the appliance body 10 (see Fig. 3).

[0053] Next, the operator attaches the light source unit 2 to the housing 41 of the circuit unit 4. Further, the operator screws the heat dissipation member 21 to the wall of the appliance body 10 to thermally and mechanically couple the appliance body 10 and the heat dissipation member 21. Thereafter, the operator connects the connector 53 of the wireless communication unit 5 to the socket 6 and attaches the wireless communication unit 5.

[0054] Subsequently, the operator houses the battery unit 3 in the space on the left side in the appliance body 10. When the battery unit 3 is housed in the appliance body 10, the connector portion 32 of the battery unit 3 (see Fig. 2) and the connector on the receiving side of the circuit unit 4 are electrically and mechanically connected.

[0055] Finally, the operator inserts a pair of mounting springs 13 into the insertion grooves provided in pairs on the front and rear sides of the inner peripheral surface of the instrument body 10, respectively, to hold the cover 11 on the instrument body 10 so as to close the opening 101 on the lower surface of the instrument body 10 (see Fig. 1). In this way, the assembly of the lighting fixture 1 is completed.

[0056] (4) Inspection operation Next, the inspection operation of the lighting fixture 1 will be described. For emergency lights, it is desirable to switch to emergency lighting once every six months and check (inspect) the lighting time (the time of emergency lighting). And as a result of the inspection, if it does not light up during an emergency, or if it goes out before the rated time (30 minutes or 60 minutes) of emergency lighting defined by laws and regulations has elapsed, it is necessary to take appropriate measures, such as replacing the new battery 30. Hereinafter, the case where the inspection operation is performed by the wireless communication unit 5 receiving a wireless signal from an external device will be described as an example.

[0057] When the wireless communication unit 5 receives a wireless signal from an external device, the control circuit 404 controls the lighting circuit 402 according to the wireless signal and inspects the battery 30. The wireless signal includes an inspection start command for starting the inspection operation. In the inspection operation, the control circuit 404 controls the lighting circuit 402 to pass current through the LED module 20. Thereby, the control circuit 404 inspects the presence or absence of an abnormality (capacity reduction) of the battery 30. The control circuit 404 causes the wireless communication unit 5 to transmit the inspection result of the battery 30 to the external device by wireless signal. The external device is, for example, the operator's smartphone, tablet terminal or PC. Further, the external device may be an edge server provided in the facility where the lighting fixture 1 is installed, or a cloud server on the network.

[0058] That is, the circuit unit 4 further includes a control circuit 404 that controls the lighting circuit 402 according to the radio signal received by the wireless communication unit 5. Then, the control circuit 404 inspects the storage battery 30 according to the radio signal received by the wireless communication unit 5, and causes the inspection result of the storage battery 30 to be transmitted as a radio signal from the wireless communication unit 5.

[0059] Note that the above-described inspection operation may be performed by an operator performing the inspection operation pressing the push button switch 406B, or by the operator operating a remote controller to transmit a radio signal including an inspection start command, or may be automatically performed by the control circuit 404.

[0060] (5) Effects In the lighting fixture 1 according to the embodiment, the cover 11 is detachable from the fixture body 10 while the wireless communication unit 5 is held by the fixture body 10. Thereby, it becomes possible to remove the cover 11 from the fixture body 10 without removing the wireless communication unit 5 from the fixture body 10. As a result, it becomes possible to improve the workability when removing the cover 11 from the fixture body 10.

[0061] Further, in the lighting fixture 1 according to the embodiment, a gap G1 is provided between the wireless communication unit 5 and the protruding hole 115. Thereby, it becomes possible to attach and detach the wireless communication unit 5 through the protruding hole 115 of the cover 11 without removing the cover 11 from the fixture body 10.

[0062] Further, the lighting fixture 1 according to the embodiment further includes a seal member 7 disposed in the gap G1. Thereby, it becomes possible to suppress the intrusion of foreign matter from the gap G1 into the fixture body 10.

[0063] Further, in the lighting fixture 1 according to the embodiment, the seal member 7 is detachable from the cover 11. Thereby, it becomes possible to remove the seal member 7 as necessary.

[0064] In addition, in the lighting fixture 1 according to the embodiment, the fixture main body 10 detachably holds the wireless communication unit 5. Thereby, it becomes possible to remove the wireless communication unit 5 as needed.

[0065] In addition, in the lighting fixture 1 according to the embodiment, the wireless communication unit 5 has a housing 50 that houses the antenna 51 and the wireless communication circuit 52. Thereby, since the antenna 51 is not exposed outside the fixture main body 10, it is possible to improve the design as compared with the case where the antenna is exposed outside the fixture main body 10.

[0066] In addition, in the lighting fixture 1 according to the embodiment, the circuit unit 4 further has a control circuit 404 that controls the lighting circuit 402 according to the wireless signal received by the wireless communication unit 5. Thereby, since the lighting circuit 402 can be remotely controlled using the wireless signal, it is possible to improve the usability.

[0067] In addition, in the lighting fixture 1 according to the embodiment, the control circuit 404 checks the storage battery 30 according to the wireless signal. Thereby, it is possible to reduce the burden on the inspection work of the operator.

[0068] In addition, in the lighting fixture 1 according to the embodiment, when the control circuit 404 performs the inspection of the storage battery 30, the control circuit 404 causes the wireless communication unit 5 to transmit the inspection result of the storage battery 30 by the wireless signal. Thereby, since the control circuit 404 causes the wireless communication unit 5 to transmit the inspection result by the wireless signal, it is possible to further reduce the burden on the inspection work of the operator.

[0069] (6) Variation The above-described embodiment is merely one of various embodiments of the present disclosure. The above-described embodiment can be variously modified according to the design and the like as long as the object of the present disclosure can be achieved. Hereinafter, variations of the above-described embodiment will be listed. The variations described below can be applied in appropriate combinations.

[0070] (6.1) Variation 1 In the above-described embodiment, the lighting fixture 1 is a ceiling-embedded emergency light. In contrast, as shown in FIG. 6, the lighting fixture 1A according to Modification 1 is a surface-mounted emergency light directly attached to the ceiling. Hereinafter, the lighting fixture 1A according to Modification 1 will be described with reference to FIG. 6. Regarding the lighting fixture 1A according to Modification 1, for the same configurations as those of the lighting fixture 1 (FIGS. 1 to 5) according to the above-described embodiment, the same reference numerals will be given and detailed descriptions thereof will be omitted.

[0071] As shown in FIG. 6, the lighting fixture 1A according to Modification 1 includes a disk-shaped fixture body 14 and a frustum-shaped cover 15. The fixture body 14 is screwed and directly attached to the ceiling. A circular window hole 150 is provided at the center of the bottom surface 151 of the cover 15. In a state where the lighting fixture 1A is assembled, the lens portion 220 of the light source unit 2 is inserted through the window hole 150.

[0072] In addition, in the lighting fixture 1A according to Modification 1, four holes (first hole 111A, second hole 112A, third hole 113A, fourth hole 114A) are provided in the vicinity of the window hole 150 in the cover 15 so as to be arranged in two vertical and horizontal rows. The first hole 111A corresponds to the above-described first hole 111, and the second hole 112A corresponds to the above-described second hole 112. Also, the third hole 113A corresponds to the above-described third hole 113, and the fourth hole 114A corresponds to the above-described fourth hole 114. Further, a protruding hole 115A is provided in the vicinity of the second hole 112A in the cover 15. The opening dimension of the protruding hole 115A is larger than the outer dimension of the wireless communication unit 5.

[0073] Also in the lighting fixture 1A according to Modification 1, the cover 15 is detachable from the fixture body 14 with the wireless communication unit 5 held by the fixture body 14. As a result, it is possible to remove the cover 15 from the fixture body 14 without removing the wireless communication unit 5 from the fixture body 14, and as a result, it is possible to improve the workability when removing the cover 15 from the fixture body 14.

[0074] (6.2) Other Modifications Hereinafter, other modifications will be listed.

[0075] In the above-described embodiment, the lighting fixture 1 is a dedicated emergency lighting fixture that only performs emergency lighting, but it may also be a combined type emergency lighting fixture with a built-in battery that performs both normal lighting and emergency lighting. Alternatively, the lighting fixture 1 may be a type of emergency lighting fixture having two or more light sources, and may be an incorporated type emergency lighting fixture in which one or more light sources are lit by an emergency power source and the other light sources are lit by a normal power source.

[0076] In the above-described embodiment, the lighting fixture 1 is an emergency light, but the lighting fixture is not limited to an emergency light, and may be, for example, an emergency lighting fixture other than an emergency light such as an induction lamp, or a lighting fixture for general lighting such as a so-called downlight. Further, the lighting fixture may be a staircase passage induction lamp installed on the road surface of a staircase or on a wall facing a dance floor.

[0077] In the above-described embodiment, the seal member 7 is detachably attached to the cover 11, but the seal member 7 may be fixed to the cover 11. Further, the seal member 7 may be detachably attached to the wireless communication unit 5, or may be fixed to the wireless communication unit 5. For example, when the seal member 7 is fixed to the wireless communication unit 5, the second housing portion 502 of the wireless communication unit 5 and the seal member 7 may be integrally formed by two-color molding, or may be separate bodies.

[0078] In the above-described embodiment, the control circuit 404 lights the LED module 20 with the charging power charged in the storage battery 30 during the inspection operation. However, for example, the above charging power may be consumed by a dummy load. The dummy load includes, for example, at least one of a resistor and a diode. Further, the dummy load may be a light source different from the LED module 20. In this case, it is preferable that the other light source is covered with a case or the like so that the light emitted from the other light source does not leak to the outside.

[0079] In the above-described embodiment, the wireless communication unit 5 is detachable from the appliance main body 10, but may be fixed to the appliance main body 10.

[0080] (Aspect) The following aspects are disclosed in this specification.

[0081] The lighting fixture (1; 1A) according to the first aspect includes a light source unit (2), a battery unit (3), a circuit unit (4), a wireless communication unit (5), an appliance main body (10; 14), and a cover (11; 15). The light source unit (2) has a light source (20). The battery unit (3) has a storage battery (30). The circuit unit (4) has a lighting circuit (402) that lights the light source (20) with charging power charged in the storage battery (30). The wireless communication unit (5) performs wireless communication using radio waves as a medium. The appliance main body (10; 14) holds the light source unit (2), the battery unit (3), the circuit unit (4), and the wireless communication unit (5). The cover (11; 15) is attached to the appliance main body (10; 14) so as to cover the battery unit (3) and the circuit unit (4). The cover (11; 15) has a protruding hole (115) that protrudes a part of the wireless communication unit (5) to the outside. The cover (11; 15) is detachable from the appliance main body (10) while the wireless communication unit (5) is held by the appliance main body (10).

[0082] According to this aspect, it is possible to improve the workability when removing the cover (11; 15) from the appliance main body (10; 14).

[0083] In the lighting fixture (1; 1A) according to the second aspect, in the first aspect, a gap (G1) is provided between the wireless communication unit (5) and the protruding hole (115; 115A).

[0084] According to this aspect, it is possible to attach and detach the wireless communication unit (5) through the protruding hole (115) of the cover (11) without removing the cover (11) from the appliance main body (10).

[0085] The lighting fixture (1) according to the third aspect further includes a seal member (7) disposed in the gap (G1) in the second aspect.

[0086] According to this aspect, it becomes possible to suppress the intrusion of foreign matter from the gap (G1) into the fixture main body (10).

[0087] In the lighting fixture (1) according to the fourth aspect, in the third aspect, the seal member (7) is detachable from the cover (11) or the wireless communication unit (5).

[0088] According to this aspect, it becomes possible to remove the seal member (7) as necessary.

[0089] In the lighting fixture (1) according to the fifth aspect, in the third or fourth aspect, the seal member (7) is attached to the cover (11).

[0090] According to this aspect, it becomes possible to simplify the structure of the wireless communication unit (5) compared to the case where the seal member is attached to the wireless communication unit (5).

[0091] In the lighting fixture (1) according to the sixth aspect, in the third or fourth aspect, the seal member (7) is attached to the wireless communication unit (5).

[0092] According to this aspect, it becomes possible to simplify the structure of the cover (11) compared to the case where the seal member is attached to the cover (11).

[0093] In the lighting fixture (1) according to the seventh aspect, in any one of the first to sixth aspects, the fixture main body (10) detachably holds the wireless communication unit (5).

[0094] According to this aspect, it becomes possible to remove the wireless communication unit (5) as necessary.

[0095] In the lighting fixture (1) according to the eighth aspect, in any one of the first to seventh aspects, the wireless communication unit (5) includes an antenna (51), a wireless communication circuit (52), and a housing (50). The wireless communication circuit (52) transmits and receives wireless signals via the antenna (51). The housing (50) houses the antenna (51) and the wireless communication circuit (52).

[0096] According to this aspect, since the antenna (51) is not exposed outside the fixture main body (10), it is possible to improve the designability as compared with the case where the antenna is exposed outside the fixture main body (10).

[0097] In the lighting fixture (1) according to the ninth aspect, in the eighth aspect, the circuit unit (4) further includes a control circuit (404) that controls the lighting circuit (402) according to the wireless signal received by the wireless communication unit (5).

[0098] According to this aspect, since the lighting circuit (402) can be remotely controlled using the wireless signal, it is possible to improve the usability.

[0099] In the lighting fixture (1) according to the tenth aspect, in the ninth aspect, the control circuit (404) inspects the storage battery (30) according to the wireless signal.

[0100] According to this aspect, it is possible to reduce the burden on the inspection work of the operator.

[0101] In the lighting fixture (1) according to the eleventh aspect, in the tenth aspect, when the control circuit (404) performs the inspection of the storage battery (30), the control circuit (404) causes the wireless communication unit (5) to transmit the inspection result of the storage battery (30) by the wireless signal.

[0102] According to this aspect, by causing the control circuit (404) to transmit the inspection result by the wireless signal from the wireless communication unit (5), it is possible to further reduce the burden on the inspection work of the operator.

[0103] Regarding the configurations according to the second to eleventh aspects, they are not essential configurations of the lighting fixture (1; 1A) and can be omitted as appropriate.

Explanation of Signs

[0104] 1, 1A Lighting fixture 2 Light source unit 3 Battery unit 4 Circuit unit 5 Wireless communication unit 7 Sealing member 10, 14 Appliance body 11, 15 Cover 20 LED module (light source) 30 Rechargeable battery 50 Housing 51 Antenna 52 Wireless communication circuit 115, 115A Protrusion hole 402 Lighting circuit 404 Control circuit G1 Gap

Claims

1. A light source unit having a light source, A battery unit having a storage battery, A circuit unit having a lighting circuit for lighting the light source with charging power charged in the storage battery, A wireless communication unit that performs wireless communication using radio waves as a medium, An appliance body that holds the light source unit, the battery unit, the circuit unit, and the wireless communication unit, A cover attached to the appliance body so as to cover the battery unit and the circuit unit, and comprising: The cover, Has a protruding hole that protrudes a part of the wireless communication unit to the outside, Is detachable from the appliance body with the wireless communication unit held by the appliance body, A lighting fixture.

2. A gap is provided between the wireless communication unit and the protruding hole, The lighting fixture according to Claim 1.

3. Further comprising a sealing member disposed in the gap, The lighting fixture according to Claim 2.

4. The sealing member is detachable from the cover or the wireless communication unit, The lighting fixture according to Claim 3.

5. The sealing member is attached to the cover, The lighting fixture according to Claim 3.

6. The sealing member is attached to the wireless communication unit, The lighting fixture according to Claim 3.

7. The appliance body detachably holds the wireless communication unit, The lighting fixture according to any one of Claims 1 to 6.

8. The wireless communication unit, An antenna, A wireless communication circuit that transmits and receives wireless signals via the antenna, And a housing that houses the antenna and the wireless communication circuit, The lighting fixture according to any one of Claims 1 to 6.

9. The circuit unit further has a control circuit that controls the lighting circuit according to the wireless signal received by the wireless communication unit, The lighting fixture according to Claim 8.

10. The control circuit inspects the storage battery according to the wireless signal, The lighting fixture according to Claim 9.

11. When the control circuit inspects the storage battery, the control circuit causes the result of the inspection of the storage battery to be transmitted by the wireless signal from the wireless communication unit, The lighting fixture according to Claim 10.

Images