JP2000102118A - Power source supply unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a new power source supply unit which has sufficient wiring space of power supply lines, signal lines, etc., and can realize an overall miniaturization, and prevent condensation water from permeating into a power source circuit. SOLUTION: This power source supply unit is equipped with a power source circuit part 2 whose power source circuit is included in a housing 1, and a case main body constituted of an outer case body 3 and a lid case body 4 in which case main body the power source circuit part 2 is included, and installed outdoors. A step-drop part 5 is formed in the housing 1 of the power source circuit part 2. Wiring led in the case main body is arranged through the step- drop part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply. More specifically, the present invention is an apparatus used for supplying power to an electric device outdoors, and has sufficient wiring space for a power supply line, a signal line, and the like, and can realize a reduction in size as a whole,
Also, the present invention relates to a new power supply device that can prevent intrusion of dew condensation water into a power supply circuit.

[0002]

2. Description of the Related Art Conventionally, a power supply device for supplying electric power outdoors is often installed on the outer wall of a building such as a house. Power supply to electrically driven exterior, so-called exterior electrical building units, such as electric gates, electric garage gates, intercoms, signposts, outdoor lights such as gate lights and entrance lights, or to various other electric devices Can be supplied.

As shown in FIGS. 11 and 12, for example, the power supply device includes a power supply circuit (f) having a power supply circuit (not shown) built in a housing (e), and an outer case body. (G) and a lid body (h) and a case body in which the power supply circuit part (h) is built, and is fixed to the outer wall surface (a) with screws (h) or the like.

[0004] The main power supply is a power supply line (c) output from an outlet opening (a) provided on the outer wall surface (a) of the building.
Is supplied to the power supply device (D) through The power supply line (c) for the main power supply is drawn into the case body through a lead-in opening (c) formed in the outer case body (g) of the power supply device (d), and is connected to the power supply circuit section (c). F) is connected to the power input terminal block (f) provided in (f). And a power output terminal block (S) provided in the power circuit section (F).
Is connected to a power supply line (not shown) from the electric device, power is supplied to the electric device.

In the power supply circuit of the power supply circuit section (f), since the exterior electric building unit or the like is generally driven at a low voltage, a main power supply (for example, AC 100 V) supplied via a power supply line (c) from the building is used. At a low voltage (eg, D
C30V or less). Also,
Among the exterior electrical construction units and other electric equipment,
There are those that are driven and controlled from inside the building and those that need to send signals into the building, such as outdoor lights, electric open / close keys, and intercoms. In this case, conventionally, the signal line (S) from inside the building is taken out from the outlet opening (A) of the outer wall surface (A), and the signal line (S) is inserted into the case body through the drawing opening (U) of the outer case body (G). Signal lines from the exterior electrical building unit, etc., are also led into the case body through the lead-in opening (so) provided in the outer case body (g), and both signal lines (s ) (C) is connected via relay.

[0006]

However, in the conventional power supply device (d) as illustrated in FIGS. 11 and 12, the power line (c) from the building is connected to the power input terminal block (sa). When connecting, and when connecting the signal lines (s) and (s), the power supply circuit (f) is present, so it is necessary to route the wiring in front of the power supply circuit (f). . Therefore, the power line (c) and the signal line (s)
(C) does not fit well, and it is necessary to provide a space for connecting them between the power supply circuit section (f) and the lid case body (c). There is a problem that the power supply device (d) is obstructed from being downsized.

[0007] Since the power supply circuit in the power supply circuit section (f) includes a heating element such as a transformer or a regulator, a ventilation hole for releasing heat from the heat generation element is provided in the power supply circuit section (f). Usually, it is provided in the housing (e) of (f). However, due to the heat from the heating element and the external environment temperature, the power supply device (d)
In some cases, dew may be formed inside the housing, and there is a risk that the dew water may enter the housing (e) through the vent hole (ta). Also, since a power On / Off switch (not shown), a power input terminal block (S), a power output terminal block (S), and the like are usually exposed in the housing (E), the power on / off switch (not shown) is exposed between the housing (E). In some cases, there is a gap, and there is a problem that dew condensation water enters through the gap.

[0008] The invention of this application has been made in view of the above circumstances, and solves the problems of the prior art.
Provided is a new power supply device which has a sufficient wiring space for a power supply line, a signal line, and the like, can realize a reduction in size as a whole, and can prevent intrusion of dew condensation water into a power supply circuit. It is intended to be.

[0009]

Means for Solving the Problems The present invention solves the above problems by providing a power supply circuit section having a power supply circuit built in a housing, and an outer case body and a lid case body. A power supply device installed outdoors, comprising a case body in which a stepped portion is formed in a housing of a power supply circuit portion, and wiring drawn into the case body is passed through the stepped portion. There is provided a power supply device characterized by being arranged.

[0010] The invention of this application is also directed to the above-described device, wherein the power supply circuit portion has stepped portions formed on both left and right sides of the housing, and an eave for waterproofing an exposed portion formed on the housing. Being provided, being provided with eaves on the periphery of the exposed portion, and being provided with at least one of a heat radiation vent, a power terminal block exposed portion, a power On / Off switch exposed portion, and an LED exposed portion. That one is provided as an embodiment.

[0011]

Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings.

[0012]

FIG. 1, FIG. 2, FIG. 3, and FIG. 4 are exploded perspective views illustrating a main part of a power supply device according to an embodiment of the present invention, a perspective front view after assembly, and a perspective view, respectively. FIG. 5 is a side view and a transparent bottom view, and FIG. 5 is a transparent front view not showing wiring. The power supply device illustrated in FIGS. 1 to 5 includes a power supply circuit unit (2) having a power supply circuit (not shown) built in a housing (1) and a power supply circuit unit (2). And a case body composed of an outer case body (3) and a lid case body (4). A step-down portion (5) is formed in a housing (1) of the power supply circuit section (2). The wiring drawn into the space is arranged through the step-down portion (5).

More specifically, in the example shown in FIGS. 1 to 5, the power supply circuit section (2) is mounted on an outer case body (3) fixed to an outer wall surface (6) by screws (15) or the like. It is fixed and covered by the lid case body (4). The step-down portion (5) is provided on both left and right portions of the resin housing (1) of the power supply circuit portion (2). In order to form the stepped portion (5) in the housing (1) in this manner, the layout of circuit components in the power supply circuit in the housing (1) is, for example, as illustrated in FIGS. It is preferable that the layout is such that short circuit components such as a fuse and an LED (14) are located at the same position as the stepped portion (5) of the housing (1).

A power supply line (7) and a signal line (8) protruding from an outer wall surface (6) of the building are respectively provided with a lead-in opening formed on the right and left upper portions of the outer case body (3). It is drawn into the case main body through (9), and is drawn along the stepped portion (5) in the case main body. A power supply line (7) along the step-down portion (5) is connected to a power supply input terminal block (10) provided in a housing (1) of the power supply circuit portion (2), and is connected to the power supply circuit portion (2). Supply the main power to the power circuit inside. Then, a power supply line (not shown) from the electric device is connected to a power supply output terminal block (11) provided in the power supply circuit section (2),
The electric power transformed by the power supply circuit is supplied to the electric equipment.

On the other hand, in addition to the signal line (8) from the outer wall surface (6), a signal line (12) from an electric device, an exterior electric building unit, or the like is also provided on the outer case body (3). Drawn into the case body through the opening (13),
Both signal lines (8) are relay connected at the step-down portion (5). Of course, the relay connection of the signal line (8) and the signal line (12) does not necessarily have to be made in the case body, but the signal line (8)
Is drawn along the step portion (5), and the lead-in opening (1
It is also possible to go out as it is via 3), extend it to an electric device or the like, and then connect it to the electric device or the like.

As described above, in the power supply device of the present invention,
The power supply line (7) and the signal line (8) at the step-down portion (5)
The wiring of (12) and the like are routed and connected well, and the wiring space between the power supply circuit section (2) and the lid case body (4) required in the above-described conventional power supply device. Becomes unnecessary, and the thickness of the lid case body (4) can be reduced, and the size of the entire apparatus can be reduced. Further, by providing a plurality of step-down portions (5), for example, on both right and left sides of the housing (1), a plurality of wires can be routed and connected simultaneously in the case body.

The upper case (4) may have an R-shaped upper part in order to make rainwater or the like easily flow downward. In this case, as described above, the lid case (4) is used. ), The upper part of the housing (1) of the power supply circuit part (2) may hit the inner surface of the upper part of the R-shape. It is desirable to form an R shape together with the upper part of the R shape. This makes it possible to more easily reduce the size of the entire device.

In the example shown in FIG. 5, a power supply cable (19) with an outlet plug is connected to the power input terminal block (10).
Is connected, but this power input terminal block (10)
Both the power cable (19) with an outlet plug for supplying the main power and the power line (7) can be arbitrarily exchanged and connected. By the way, as described above, the housing (1) of the power supply circuit section (2) is provided with the ventilation hole (16) for radiating heat from the heat generating element constituting the power supply circuit. In the supply device, as shown in FIGS. 1 to 7, an eave (17) is provided at the periphery of the ventilation hole (16) in order to prevent dew condensation water and the like from entering the inside from the ventilation hole (16). It may be provided. Further, the housing (1) has a ventilation hole (1) for heat radiation.
6) In addition, various exposed portions for a power input terminal block (10), a power output terminal block (11), an LED (14), a power On / Off switch (18), and the like are formed.
It is desirable that an eave (17) be provided at the peripheral portion of each of the exposed portions in order to prevent dew condensation water from entering.

This eave (17) is preferably adapted to the shape of each exposed portion. For example, in the example shown in FIG. 8 (see also FIG. 2), the vent hole (16) is formed obliquely. Since the eaves (17) have an elongated shape, the eaves (17) are shaped to extend obliquely and cover the ventilation holes (16), and a part of the eaves (17) floats to form a gap, and condensate water or the like is formed. Is dropped downward without entering the ventilation hole (16), and heat from the ventilation hole (16) is radiated from the gap.

In the example shown in FIG. 9 (see also FIG. 2), an eave (17) for waterproofing the exposed portion of the power input terminal block (10) is provided.
A portion located above the exposed portion of the power input terminal block (10) is inclined to some extent, and has a shape that makes it easier for dew condensation and the like to flow downward. The eaves (17) having a similar shape are provided with a power output terminal block (11) having a slightly wider width and a power supply On / Off.
The switch (18) is also provided on the exposed portion of the slit-shaped ventilation hole (16) extending in the lateral direction.

FIG. 10 is an enlarged view of the eaves (17) for the LED (14). The eaves (17) have a semicircular shape and have not only an effect of preventing inundation, but also a function of blocking sunlight. The effect of improving the visibility of LED lighting is also realized. By providing such an eave (17), it is possible to prevent water from leaking into the power supply circuit section (2), and to realize a power supply apparatus that is safe from negative electric shock during field wiring.

Of course, the exposed portion is not limited to the one shown in this embodiment, and any exposed portion can be provided with the eaves (17) if it is formed on the housing (1). . The present invention is not limited to the above examples, and it goes without saying that various aspects are possible in detail.

[0023]

As described in detail above, according to the present invention, a space for wiring such as a power supply line and a signal line can be secured.
A new power supply device that can be routed and connected within the case body with good fit, realizes miniaturization of the whole, and prevents intrusion of dew condensation into the power supply circuit. Is provided.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view illustrating the configuration of a main part of a power supply device according to an embodiment of the present invention.

FIG. 2 is a perspective front view illustrating the configuration of a main part of the power supply device after assembly.

FIG. 3 is a perspective side view illustrating the configuration of a main part of the power supply device after assembly.

FIG. 4 is a perspective bottom view illustrating the configuration of a main part of the power supply device after assembly.

FIG. 5 is a perspective front view illustrating a configuration of a main part of a power supply device not illustrating wiring;

FIG. 6 is a perspective bottom view illustrating a power supply circuit unit.

FIG. 7 is a perspective side view illustrating a power supply circuit unit.

FIG. 8 is a perspective view showing an example of a ventilation hole and an eave.

FIG. 9 is a perspective view showing an example of a power input terminal block, its opening, and an eave.

FIG. 10 is a perspective view showing an example of an LED and an eave.

FIG. 11 is an exploded perspective view illustrating a configuration of a main part of a conventional power supply device.

FIG. 12 is a perspective view illustrating a conventional power supply device after a partial assembly.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Power supply circuit part 3 Outer case body 4 Lid case body 5 Step-down part 6 Outer wall surface 7 Power supply line 8 Signal line 9 Lead-in opening 10 Power input terminal block 11 Power supply output terminal block 12 Signal line 13 Lead-in opening 14 LED 15 Screw 16 Vent hole 17 Eave 18 Power On / Off switch 19 Power cable with outlet plug

Claims (5)

[Claims] 1. A power supply device installed outdoors, comprising: a power supply circuit portion having a power supply circuit built in a housing; and a case body having an outer case body and a lid case body and having a built-in power supply circuit portion. A power supply device, wherein a step-down portion is formed in a housing of a power supply circuit portion, and a wiring drawn into a case body is arranged through the step-down portion. 2. The power supply device according to claim 1, wherein stepped portions are formed on both right and left sides of the housing of the power supply circuit. 3. The power supply device according to claim 1, further comprising an eave for waterproofing an exposed portion formed in the housing. 4. The power supply device according to claim 3, wherein an eave is provided on a peripheral portion of the exposed portion. 5. The power supply device according to claim 3, wherein the exposed portion is at least one of a heat radiation vent, a power terminal block exposed portion, a power On / Off switch exposure, and an LED exposed portion.