JP7390613B2 - Power supplies and lighting equipment - Google Patents

Description

The present invention relates to a power supply device and a lighting fixture.

2. Description of the Related Art Conventionally, a lighting driving device including a wireless communication module that receives a wireless signal for dimming control has been known (for example, see Patent Document 1).

Patent Document 1 discloses a configuration in which a wireless communication module is housed in a housing, and slits through which electromagnetic waves radiated from an antenna pass are formed on two opposing surfaces of the housing.

JP2017-208310A

Here, if a plurality of lamp bodies each having a light source are provided, a plurality of lighting driving devices are required to correspond to the plurality of lamp bodies. At this time, in order to minimize the installation space, it is conceivable to arrange a plurality of lighting driving devices side by side without gaps.

However, if a slit is formed in the side wall of the casing, the slit will be blocked by the casing of an adjacent lighting driving device, and there is a risk that the performance of wireless communication will deteriorate.

The present invention has been made in view of this point, and its purpose is to prevent the wireless communication slit from being blocked.

The present invention is directed to a power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit. A solution was taken.

That is, in the first invention, the casing has a side wall portion in which a slit for wireless communication is formed, and a protrusion portion that protrudes outward in the width direction from the side wall portion.

In the first invention, a slit for wireless communication is formed in the side wall of the casing. A protruding portion protrudes outward in the width direction from the side wall portion. This can prevent the wireless communication slit from being blocked.

Specifically, when a plurality of power supply devices are arranged side by side in the width direction, the protrusions of adjacent power supply devices come into contact with each other. At this time, a predetermined gap is provided between the side walls of adjacent casings depending on the amount of protrusion of the protrusion. Thereby, the side walls of adjacent casings can be prevented from coming into contact with each other, and the slit can be prevented from being blocked.

A second invention is based on the first invention, wherein the casing includes a power supply case formed in a box shape with an opening at the top, and a power supply cover formed in a box shape with an opening at the bottom and fitted into the power supply case. The slit is formed in a side wall of the power supply cover, and the protrusion protrudes outward from the power supply case in the width direction and extends upward.

In the second invention, the casing is configured by fitting the power supply cover into the power supply case. A slit is formed in the side wall of the power supply cover. The power supply case is provided with a protrusion. The protruding portion protrudes outward in the width direction from the power supply case and then extends upward.

Accordingly, by arranging the protruding portion outward in the width direction of the power supply cover and making the power supply cover sandwiched between the protrusions, deformation of the power supply cover can be suppressed.

Specifically, since a slit is formed in the side wall of the power supply cover, the strength of the side wall around the slit is reduced. Therefore, if an impact is applied to the side wall of the power supply cover, such as when a tool collides with the side wall, the side wall may deform and the power supply cover may come off.

On the other hand, if the protrusion is arranged outward in the width direction of the power supply cover, the deformation of the side wall when an impact is applied to the side wall of the power supply cover can be restricted and suppressed by the protrusion. can.

A third invention is based on the second invention, wherein an engagement hole is formed in the side wall of the power supply cover, and the protrusion is provided with a caulking part that is engaged with the engagement hole. .

In the third invention, an engagement hole is formed in the side wall portion of the power supply cover. The protruding portion is provided with a caulking portion. By bending the caulked portion toward the engagement hole with the power supply cover fitted into the power supply case, the power supply cover can be held so as not to come off from the power supply case.

In a fourth aspect based on the first aspect, the protruding portion protrudes outward in the width direction from the side wall portion of the casing.

In the fourth invention, the protruding portion protrudes outward in the width direction from the side wall portion of the casing. For example, the protruding portion may be formed by bulging a portion of the side wall portion of the casing outward in the width direction.

A fifth invention is based on the fourth invention, wherein the protrusion includes a first protrusion that protrudes outward in the width direction from the side wall of the casing and extends in the vertical direction, and a first protrusion that protrudes upward from the upper surface of the casing. and a second protrusion extending in the width direction and connected to the upper end of the first protrusion.

In the fifth invention, the protrusion includes a first protrusion and a second protrusion. The first protrusion extends vertically on the side wall of the casing. The second protrusion extends across the upper surface of the casing in the width direction and is connected to the upper end of the first protrusion.

Thereby, a gap can be provided between the side wall portions of adjacent casings by the first protrusion. Furthermore, the first protrusion and the second protrusion form reinforcing ribs having an L-shaped cross section at the corners of the casing, thereby ensuring the rigidity of the casing.

In a sixth invention based on the first invention, the protrusion extends along the periphery of the slit.

In the sixth invention, the protrusion extends along the periphery of the slit. Specifically, after providing a notch for forming a slit in the side wall, a part of the side wall is bent outward in the width direction, thereby forming a slit and forming a protrusion on the periphery of the slit. can.

A seventh invention is any one of the first to sixth inventions, wherein a length W in the width direction of the casing, a protrusion amount D of the protrusion, and a height from the installation surface of the casing to the slit. The distance H is set to satisfy the condition H≧W+D.

In the seventh invention, the height from the installation surface of the casing to the slit is set so as to satisfy the above-mentioned conditions. Thereby, for example, even if one of the plurality of power supply devices falls down, it is possible to prevent the slits of the power supply devices that have not fallen down from being blocked by the casing of the fallen power supply device.

An eighth invention is a power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit, The casing includes a first side wall portion in which a slit for wireless communication is formed, and a second side wall portion disposed outward in the width direction from the first side wall portion.

In the eighth invention, the casing has a first side wall portion and a second side wall portion. A slit for wireless communication is formed in the first side wall. The second side wall portion is disposed further outward in the width direction than the first side wall portion. This can prevent the wireless communication slit from being blocked.

Specifically, when a plurality of power supply devices are arranged side by side in the width direction, the second side wall portions of adjacent power supply devices come into contact with each other. At this time, a predetermined gap is provided between the first side wall portions of adjacent casings. Thereby, the first side wall portions of adjacent casings can be prevented from coming into contact with each other, and the slit can be prevented from being blocked.

In a ninth invention based on the eighth invention, the first side wall portion is inclined obliquely upward toward the inner side in the width direction of the casing.

In the ninth invention, the first side wall portion is inclined obliquely upward and inward in the width direction of the casing. Here, when a plurality of power supply devices are arranged side by side in the width direction, the second side wall portions of adjacent power supply devices come into contact with each other. At this time, since the first side wall portions of adjacent casings do not come into contact with each other, it is possible to prevent the slit from being blocked.

A tenth invention is a lighting fixture comprising the power supply device according to any one of claims 1 to 9, and a lamp unit that is lit by power supplied from the power supply device.

In a tenth invention, a lighting fixture is configured by supplying power to a lighting equipment unit from the power supply device according to any one of the first to ninth inventions.

According to the present invention, it is possible to prevent the wireless communication slit from being blocked.

1 is a side view showing the configuration of a lighting fixture according to Embodiment 1. FIG. FIG. 2 is a plan view showing the configuration of a lighting fixture. FIG. 2 is a perspective view showing the configuration of a power supply device. FIG. 2 is a front sectional view showing the configuration of a power supply device. FIG. 3 is a perspective view showing a state in which the power supply cover is fitted into the power supply case. FIG. 3 is a perspective view showing a state in which the caulked portion is engaged with the engagement hole. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side. FIG. 3 is a front sectional view illustrating the height from the installation surface of the power supply device to the slit. FIG. 2 is a perspective view showing the configuration of a power supply device according to a second embodiment. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side. FIG. 3 is a perspective view showing the configuration of a power supply device according to Embodiment 3. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side. FIG. 7 is a perspective view showing the configuration of a power supply device according to a fourth embodiment. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side. FIG. 7 is a perspective view showing the configuration of a power supply device according to the fifth embodiment. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side. FIG. 7 is a perspective view showing the configuration of a power supply device according to the sixth embodiment. FIG. 3 is a front sectional view showing a state in which a plurality of power supply devices are arranged side by side.

Embodiments of the present invention will be described below based on the drawings. Note that the following description of preferred embodiments is essentially just an example, and is not intended to limit the present invention, its applications, or its uses.

《Embodiment 1》
As shown in FIGS. 1 and 2, the lighting fixture 1 is, for example, a downlight embedded in a ceiling surface 5. The lighting fixture 1 includes a plurality of lamp units 10 and a plurality of power supplies 20 that light the plurality of lamp units 10. In the example shown in FIGS. 1 and 2, three lamp units 10 and three power supply devices 20 are provided.

The plurality of lamp units 10 are arranged within the mounting frame 14. The lamp unit 10 is attached to a mounting frame 14 via a support shaft 14a. The lamp unit 10 is rotatably supported around a support shaft 14a, and the direction of light irradiation can be changed.

The mounting frame 14 is fixed to the ceiling surface 5 while being inserted into the mounting hole 6 of the ceiling surface 5. Thereby, the plurality of lamp units 10 are fixed to the ceiling surface 5 by the mounting frame 14.

The lamp unit 10 includes a lamp body 11, a light emitting module 12, and a heat radiation member 13. A light emitting module 12 is housed in the instrument body 11.

The light emitting module 12 is configured by mounting a plurality of LEDs (Light Emitting Diodes) on the lower surface of a rectangular substrate. The LED is, for example, a white LED for illumination. Note that an organic EL may be used as the light emitting module 12.

The heat dissipation member 13 has a plurality of fins made of aluminum or aluminum alloy. A light emitting module 12 is attached to the lower surface of the heat radiating member 13. Thereby, the heat generated from the light emitting module 12 is transmitted to the heat radiating member 13 and radiated into the atmosphere.

One end of a power cable 15 is connected to the lamp unit 10. A power supply device 20 is connected to the other end of the power cable 15 .

As shown in FIGS. 3 and 4, the power supply device 20 includes a casing 21 having a storage space inside. The casing 21 includes a metal power supply case 22 and a metal power supply cover 25. The casing 21 is constructed by fitting a power supply cover 25 into a power supply case 22.

The power supply case 22 is formed into a box shape with an open top. The power supply case 22 is formed in the shape of a rectangular parallelepiped that is elongated in the left-right direction in FIG. 2 . The power supply case 22 is arranged under the ceiling. The power supply case 22 is provided with a pair of mounting legs 22a. The mounting leg 22a is fixed to the ceiling.

A power supply circuit 16 is housed inside the casing 21 . The power supply circuit 16 is equipped with a lighting circuit (not shown) for lighting the lamp unit 10 and a wireless communication module 17 as a circuit component.

The power supply cover 25 is formed into a box shape with an open bottom. The power supply cover 25 is formed in the shape of a rectangular parallelepiped that is elongated in the left-right direction in FIG. 2 . A slit 27 for wireless communication is formed in the side wall portion 26 of the power supply cover 25. The slit 27 extends in the longitudinal direction of the power supply cover 25.

An insulating sheet 18 is arranged between the power supply case 22 and the power supply circuit 16. The insulating sheet 18 extends along the bottom and side wall portions 23 of the power supply case 22 .

A lock portion 41 is provided on the side wall portion 26 of the power supply cover 25 . The lock portion 41 protrudes into the inside of the power supply case 22. A through hole 42 is formed in the side wall portion 23 of the power supply case 22 .

The lock portion 41 is fitted into the through hole 42 when the power supply case 22 and the power supply cover 25 are assembled. Thereby, the power supply case 22 and the power supply cover 25 are locked and fixed.

The casing 21 is provided with a protrusion 30 that protrudes in the width direction (left-right direction in FIG. 4) orthogonal to the longitudinal direction. The protrusions 30 are provided on both sides of the casing 21 in the width direction.

The protruding part 30 is formed integrally with the power supply case 22 by cutting out and bending a part of the side wall part 23 of the power supply case 22 (see FIG. 5). The protrusion 30 protrudes outward from the power supply case 22 in the width direction and extends upward. As a result, the protruding portion 30 is disposed further outward in the width direction than the side wall portion 26 of the power supply cover 25 .

As shown in FIG. 5, an engagement hole 28 is formed in the side wall portion 26 of the power supply cover 25. As shown in FIG. The protrusion 30 is provided with a caulking portion 31 that is engaged with the engagement hole 28 . Then, as shown in FIG. 6, with the power supply cover 25 fitted into the power supply case 22, by bending the caulked portion 31 toward the engagement hole 28, the power supply cover 25 is prevented from coming off from the power supply case 22. can be retained.

As shown in FIG. 7, when a plurality of power supply devices 20 are arranged side by side in the width direction, the protrusions 30 of adjacent power supply devices 20 come into contact with each other. At this time, a predetermined gap S is provided between the side wall portions 26 of the power supply covers 25 in adjacent casings 21 according to the amount of protrusion of the protrusion portions 30 . This prevents the side wall portions 26 of adjacent power supply covers 25 from coming into contact with each other, and prevents the wireless communication slit 27 from being blocked.

By the way, as shown in FIG. 8, even if one of the plurality of power supply devices 20 falls down, the slit 27 of the power supply device 20 is not blocked. It is preferable to set the height H.

Specifically, the height H from the installation surface of the casing 21 to the slit 27, the length W of the casing 21 in the width direction, and the protrusion amount D of the protrusion 30 are set to satisfy the condition H≧W+D. .

Thereby, even if one of the plurality of power supply devices 20 falls down, it is possible to prevent the slit 27 of the power supply device 20 that has not fallen down from being blocked by the casing 21 of the power supply device 20 that has fallen down. .

《Embodiment 2》
FIG. 9 is a perspective view showing the configuration of a power supply device according to the second embodiment. Hereinafter, the same parts as in the embodiment described above will be given the same reference numerals, and only the differences will be explained.

As shown in FIG. 9, the casing 21 is provided with a protrusion 33 that protrudes in the width direction. The protrusions 33 are provided on both sides of the casing 21 in the width direction.

The protruding portion 33 is formed by partially protruding the side wall portion 26 of the power supply cover 25 outward in the width direction. The protrusion 33 extends along the longitudinal direction of the power supply cover 25. Two protrusions 33 are provided at intervals in the longitudinal direction of the power supply cover 25. Thereby, a total of four protrusions 33 are provided, two on each side of the casing 21 in the width direction.

Here, as shown in FIG. 10, when a plurality of power supply devices 20 are arranged side by side in the width direction, the protrusions 33 of adjacent power supply devices 20 will come into contact with each other. At this time, a predetermined gap S is provided between the side wall portions 26 of the power supply covers 25 in adjacent casings 21 according to the amount of protrusion of the protrusion portions 33 . This prevents the side wall portions 26 of adjacent power supply covers 25 from coming into contact with each other, and prevents the wireless communication slit 27 from being blocked.

《Embodiment 3》
As shown in FIG. 11, the casing 21 is provided with a protrusion 35 that protrudes in the width direction. The protrusion 35 extends along the periphery of the slit 27. The protrusions 35 are provided on both sides of the casing 21 in the width direction.

Specifically, the protruding portion 35 is formed by providing a notch for forming the slit 27 in the side wall portion 26 of the power supply cover 25 and then bending a portion of the side wall portion 26 outward in the width direction. In the example shown in FIG. 11, the protrusion 35 extends in the longitudinal direction along the lower edge of the slit 27. In the example shown in FIG.

Here, as shown in FIG. 12, when a plurality of power supply devices 20 are arranged side by side in the width direction, the protrusions 35 of adjacent power supply devices 20 will come into contact with each other. At this time, a predetermined gap S is provided between the side walls 26 of the power supply covers 25 in adjacent casings 21 according to the amount of protrusion of the protrusions 35 . This prevents the side wall portions 26 of adjacent power supply covers 25 from coming into contact with each other, and prevents the wireless communication slit 27 from being blocked.

《Embodiment 4》
As shown in FIG. 13, the casing 21 is provided with a protrusion 37 that protrudes in the width direction. The protrusion 37 includes a first protrusion 37a and a second protrusion 37b. The protrusions 37 are provided on both sides of the casing 21 in the width direction.

The first protruding portion 37a protrudes outward in the width direction from the side wall portion 26 of the power supply cover 25 in the casing 21 and extends in the vertical direction. The second protrusion 37b protrudes upward from the upper surface of the power supply cover 25 in the casing 21 and extends in the width direction. The second protrusion 37b is continuously connected to the upper end of the first protrusion 37a.

The protruding portion 37 is formed by partially protruding the side wall portion 26 of the power supply cover 25 outward in the width direction. Two protrusions 37 are provided at intervals in the longitudinal direction of the power supply cover 25. Thereby, a total of four protrusions 37 are provided, two on each side of the casing 21 in the width direction.

Here, as shown in FIG. 14, when a plurality of power supplies 20 are arranged side by side in the width direction, the first protrusions 37a of the protrusions 37 of adjacent power supplies 20 come into contact with each other. At this time, a predetermined gap S is provided between the side walls 26 of the power supply covers 25 in adjacent casings 21, depending on the amount of protrusion of the first protrusion 37a. This prevents the side wall portions 26 of adjacent power supply covers 25 from coming into contact with each other, and prevents the wireless communication slit 27 from being blocked.

Further, since reinforcing ribs having an L-shaped cross section are formed at the corners of the casing 21 by the first protrusion 37a and the second protrusion 37b, the rigidity of the casing 21 can be ensured.

《Embodiment 5》
As shown in FIG. 15, the casing 21 has a first side wall portion 26a and a second side wall portion 26b. The first side wall portion 26a and the second side wall portion 26b are formed by bending the side wall portion 26 of the power supply cover 25. The first side wall portion 26a and the second side wall portion 26b are provided on both sides of the power supply cover 25 in the width direction, respectively.

A slit 27 for wireless communication is formed in the first side wall portion 26a. The first side wall portion 26a is inclined diagonally upward and inward in the width direction of the casing 21. The second side wall portion 26b is disposed further outward in the width direction than the first side wall portion 26a. The second side wall portion 26b is erected to extend in the vertical direction.

Here, as shown in FIG. 16, when a plurality of power supply devices 20 are arranged side by side in the width direction, the second side wall portions 26b of adjacent power supply devices 20 come into contact with each other. At this time, since the first side wall portions 26a of adjacent casings 21 do not contact each other, a gap S is provided between the slits 27. This can prevent the slit 27 from being blocked.

《Embodiment 6》
As shown in FIG. 17, the casing 21 has a first side wall portion 26a and a second side wall portion 26b. The first side wall portion 26a and the second side wall portion 26b are formed by bending the side wall portion 26 of the power supply cover 25 into a stepped shape. The first side wall portion 26a and the second side wall portion 26b are provided on both sides of the power supply cover 25 in the width direction, respectively.

A slit 27 for wireless communication is formed in the first side wall portion 26a. The first side wall portion 26a is erected so as to extend in the vertical direction. The second side wall portion 26b is disposed further outward in the width direction than the first side wall portion 26a. The second side wall portion 26b is erected to extend in the vertical direction.

Here, as shown in FIG. 18, when a plurality of power supply devices 20 are arranged side by side in the width direction, the second side wall portions 26b of adjacent power supply devices 20 come into contact with each other. At this time, a predetermined gap S is provided between the first side wall portions 26a of adjacent casings 21. Thereby, the first side wall portions 26a of adjacent casings 21 can be prevented from coming into contact with each other, and the slit 27 can be prevented from being blocked.

As explained above, the present invention has a highly practical effect of being able to prevent the wireless communication slit from being blocked, and therefore is extremely useful and has high industrial applicability.

1 Lighting fixture 10 Light unit 16 Power supply circuit 17 Wireless communication module 20 Power supply device 21 Casing 22 Power supply case 25 Power supply cover 26 Side wall portion 26a First side wall portion 26b Second side wall portion 27 Slit 28 Engagement hole 30 Projection portion 31 Caulking portion 33 Projection 35 Projection 37 Projection 37a First projection 37b Second projection

Claims (10)

A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing has a side wall in which a slit for wireless communication is formed, and a protrusion that protrudes outward in the width direction from the side wall,
The power supply device , wherein the protrusion is integrally formed with the casing . A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing has a side wall in which a slit for wireless communication is formed, and a protrusion that protrudes outward in the width direction from the side wall,
The casing has a power supply case formed in a box shape with an opening at the top, and a power supply cover formed in a box shape with an opening at the bottom and fitted into the power supply case,
The slit is formed in a side wall of the power supply cover,
In the power supply device, the protrusion portion protrudes outward in the width direction from the power supply case and extends upward. In claim 2,
An engagement hole is formed in the side wall of the power supply cover,
A power supply device, wherein the protruding portion is provided with a caulking portion that is engaged with the engagement hole. A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing has a side wall in which a slit for wireless communication is formed, and a protrusion that protrudes outward in the width direction from the side wall,
In the power supply device, the protruding portion protrudes outward in a width direction from a side wall portion of the casing. In claim 4,
The protrusion includes a first protrusion that protrudes outward in the width direction from the side wall of the casing and extends in the vertical direction, and a first protrusion that protrudes upward from the upper surface of the casing and extends in the width direction. a second protrusion connected to an upper end of the power supply device. A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing has a side wall in which a slit for wireless communication is formed, and a protrusion that protrudes outward in the width direction from the side wall,
In the power supply device, the protrusion extends along a periphery of the slit. A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing has a side wall in which a slit for wireless communication is formed, and a protrusion that protrudes outward in the width direction from the side wall,
A power supply device, wherein a length W in the width direction of the casing, a protrusion amount D of the protrusion, and a height H from the installation surface of the casing to the slit are set to satisfy the condition H≧W+D. A power supply device comprising a box-shaped casing having a storage space inside, a power supply circuit housed in the casing, and a wireless communication module mounted on the power supply circuit,
The casing includes a first side wall portion in which a slit for wireless communication is formed, and a second side wall portion disposed outward in the width direction from the first side wall portion. In claim 8,
In the power supply device, the first side wall portion is inclined obliquely upward and inward in the width direction of the casing. A power supply device according to any one of claims 1 to 9,
A lighting fixture, comprising: a lighting unit that is lit by power supplied from the power supply device.

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