JP6603138B2 - External power supply - Google Patents

Description

  The present invention relates to an external power supply device for supplying power to external electrical equipment by setting a primary side commercial voltage to 36 V or less for external electrical equipment.

  Conventionally, the exterior of a building such as a house is provided with various external electrical equipment such as gate lighting, nameplate lights, planting lights, footlamps, etc., home delivery boxes, electric locks, door phones, electric garage doors, etc. ing.

  In addition, using an external power supply device equipped with a transformer (transformer power supply), the primary side commercial voltage, for example, general household AC100V is converted to 36V or less, for example, DC12V corresponding to the specifications of the external electrical equipment, and power is supplied. (For example, refer to Patent Document 1).

JP 09-182289 A

  Here, the electrical work for the various external electrical equipment as described above is performed by a qualified electrician in charge, for example, to connect the electrical wiring to a general household AC100V power supply (primary side commercial voltage). Yes. Also, at this time, a wall-mounted external power supply device is wired on the ground to a general household AC100V power supply, and the external power supply device and a plurality of external electrical devices are connected by wiring, respectively. To ensure the power.

  On the other hand, when various external electrical devices of 36V or less, such as DC12V, such as outdoor lighting devices such as gate lamps, nameplate lights, planting lights, foot lamps, delivery boxes, electric locks, door phones, electric garage doors, etc. are far away Therefore, it is necessary to lengthen the wiring of the external power supply device from the 100 V power supply and install the wall-mounted external power supply device close to the external electric equipment side. For this reason, there have been cases in which the appearance of the exterior is deteriorated by the wall-mounted external power supply device or that the installation position is difficult to secure.

  In addition, since the electrical engineer is in charge of wiring connection from the external power supply unit to multiple external electrical equipment, the electrical work process by the electrical engineer includes, for example, landscaping, outdoor passage construction, gate / There was a need to combine the work processes of contractors who perform various types of construction such as garage construction, resulting in inconvenience that the construction was complicated and eventually the construction period was prolonged.

  In view of the above circumstances, the present invention provides an external power supply device that increases the degree of freedom of the installation position and enables workers other than qualified electricians to perform wiring work to external electrical equipment. The purpose is to do.

  In order to achieve the above object, the present invention provides the following means.

An external power supply apparatus of the present invention is an external power supply apparatus for supplying electric power to an external electrical equipment by incorporating a transformer that converts a primary side commercial voltage into a secondary voltage of 36 V or less. Provided with an opening on the lower surface and an insertion hole for wiring on the side wall, formed in a box frame shape, embedded in a receiving hole recessed from the ground surface, and provided with an opening on the upper surface A transformer accommodating portion that is formed in a box shape and accommodates the transformer therein; and is detachably attached to an upper surface of the transformer accommodating portion to seal the interior of the transformer accommodating portion; And a transformer housing lid portion that constitutes a main body box, and is configured to be embedded in the ground and to supply power to the external electrical equipment, and the transformer includes the transformer housing portion and the buried frame portion. It is characterized in that it is housed inside a double structure .

  In this invention, for example, stones are laid down on the bottom of the accommodation hole recessed from the ground surface (reference surface) by excavating the ground, etc., and the embedded frame portion is inserted and disposed in the accommodation hole, Attach a transformer housing lid to the transformer housing that houses the transformer connected to the power supply for general use, and install it while inserting the main body box ensuring the desired strength, water resistance, etc. into the embedded frame. .

As a result, the external power supply device can be embedded in the ground.
In addition, an electrician performs the process up to the place where the transformer is housed in the main body box that secures the desired strength, water resistance, etc. Wiring work for supplying power to the external electrical equipment can be performed by an operator other than the electrician.

  Moreover, in the external power supply device of this invention, it is desirable to provide the makeup | decoration cover part arrange | positioned on the said transformer accommodation cover part so that attachment or detachment is possible.

  In the present invention, the decorative cover is detachably stacked above the transformer housing cover (main body box) so that the outer cover is installed in the ground by the replaceable decorative cover. This makes it possible to improve the appearance of the power supply device for a vehicle and further improve the landscape.

Furthermore, not only the main body box that houses the transformer, but also the decorative lid portion can be provided to further improve the insulation.
Further, in the external power supply device of the present invention, in a state where the transformer housing portion is supported and positioned by the buried frame portion, a lower surface of the transformer housing portion, and a lower end portion of the buried frame portion, A predetermined gap may be formed between them.
Furthermore, in the external power supply device of the present invention, a flange portion is formed in each of the embedded frame portion and the transformer accommodating portion, and the flange portion of the embedded frame portion is provided with the flange of the transformer accommodating portion. By engaging the flange portion, the transformer housing portion may be supported by the embedded frame portion and configured to be positioned and fixed.

  Since the external power supply apparatus according to the present invention is embedded in the ground, the degree of freedom of the installation position can be increased.

  In addition, the external power supply device, and thus the general commercial power supply, and the transformer are connected by wiring, and the transformer housing cover is attached to the transformer housing for housing the transformer, so that the water resistance of the main body box having a predetermined strength is secured. The electrician qualified person performs up to the portion that guarantees, and wiring work from the external power supply device to various external electric devices can be performed by an operator other than the electrician.

  Therefore, by using the external power supply device of the present invention, it is possible to prevent the appearance from deteriorating, and in the electric construction work process by the electrician, landscaping, outdoor passage construction, gate door / garage construction, etc. Therefore, it is not necessary to combine the work processes of various construction contractors, and it is possible to eliminate the inconvenience that the construction is complicated and the construction period is prolonged as in the past.

It is a perspective view showing an external power supply device according to an embodiment of the present invention. It is a disassembled perspective view which shows the external power supply device which concerns on one Embodiment of this invention. It is a front view which shows the external power supply device which concerns on one Embodiment of this invention. FIG. 4 is a view taken along line X1-X1 in FIG. 3. FIG. 4 is a view taken along line X2-X2 in FIG. 3. FIG. 4 is a view taken along line X3-X3 in FIG. 3. FIG. 4 is an X4-X4 arrow view of FIG. 3. It is sectional drawing which shows the state which installed the external power supply device which concerns on one Embodiment of this invention in the ground.

  Hereinafter, an external power supply apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 to 8.

  Here, the present embodiment is, for example, an outdoor lighting device such as a gate lamp, a nameplate lamp, a planting lamp, and a foot lamp provided in an external part of a building such as a house from a general commercial voltage such as AC 100 V, a delivery box, an electric The present invention relates to an external power supply device for converting to 36 V or less (DC 12 V or the like) such as a lock, a door phone, an electric garage door, etc. and supplying electric power to various external electric devices.

  Specifically, as shown in FIGS. 1 to 7, the external power supply device A of the present embodiment includes an embedded frame portion 1, a transformer housing portion 2, a transformer housing lid portion 3, and a decorative lid portion 4. It is prepared for.

  The embedded frame portion 1 is made of, for example, resin and is formed in a box frame shape having an opening on the upper surface. Further, the embedded frame portion 1 is formed with a flange portion 5 at the upper end portion that protrudes outward and is bent in the protruding direction at the front end side so as to be connected in the circumferential direction. Furthermore, the embedded frame portion 1 is formed with an insertion hole 6 for wiring penetrating from the inner surface to the outer surface and an insertion hole 7 for anchor bolt insertion in the side wall portion. The side wall portion is provided with a plurality of ribs 8 protruding outward from the outer surface and extending from the flange portion 5 to the lower end side.

Then, as shown in FIG. 8, the buried frame portion 1 is inserted into the accommodation hole after the stone 9 is spread on the bottom of the accommodation hole recessed from the ground surface (reference surface) by excavating the ground G or the like. Arranged.
The stone material 9 is for providing a drainage (water permeability) function and a buffer function.

  Further, on the bottom surface of the embedded frame portion 1, an input wiring hole 12 for connecting the wiring 11 to the input port 10a of the transformer 10 from the 100V power source through the embedded frame portion, and the transformer 10 is transformed to 12V or the like. The wiring 13 connected to the output port 10b of the vessel 10 is provided with an output wiring hole 14 for supplying power to various external external electrical devices through the embedded frame 1.

  The transformer accommodating portion 2 is made of, for example, metal, and is formed in a box shape having an opening on the upper surface, as shown in FIGS. Moreover, the transformer accommodating part 2 is provided with the flange part 15 which protrudes outside at the upper end part and is bent upward in the protruding direction and connected in the circumferential direction. The flange portion 15 of the transformer housing portion 2 is formed in a size that is arranged and engaged with the inside of the flange portion 5 of the embedded frame portion 1.

  In the transformer housing portion 2, a power base 16 that protrudes upward from the bottom surface is integrally formed, and a transformer (transformer power source) 10 is placed and fixed on the power base 16. Yes. The transformer 10 is connected to a wiring 11 connected to a general commercial power supply such as a general household AC100V power supply, and a wiring 13 connected to various external electrical devices. Note that the connection ports (input port 10a and output port 10b) of these wires 11 and 13 may be formed and held in the transformer housing portion 2.

  The transformer accommodating portion 2 configured in this manner is embedded by inserting the wires 11 and 13 through the wiring insertion holes 6 formed in the side wall portion of the embedded frame portion 1 and the wiring holes 12 and 14 on the bottom surface. The embedded frame portion 1 and the flange portions 5 and 15 are engaged with each other and inserted into and inserted into the frame portion 1.

  At this time, by engaging the embedded frame portion 1 with the flange portions 5 and 15, the transformer housing portion 2 is supported and positioned and fixed to the embedded frame portion 1. In addition, with the transformer accommodating portion 2 inserted and supported in the embedded frame portion 1, there is a predetermined gap between the lower surface of the transformer accommodating portion 2, the lower end portion of the embedded frame portion 1, and the stone material 9. It is configured to be able to.

  The transformer housing lid 3 is made of, for example, metal and is formed in a substantially flat plate shape. The transformer housing lid 3 is disposed so as to be engaged with the flange portion 15 of the transformer housing 2 to close the opening on the upper surface of the transformer housing 2. Further, the flange portion 15 of the transformer accommodating portion 2 is fixed with screws. By fixing and disposing the transformer housing lid 3, the inside of the transformer housing 2 that houses the transformer 10 is hermetically sealed, and desired water resistance without water entering is ensured (collateralized). The

  The decorative lid portion 4 is made of, for example, resin, and is detachably stacked above the transformer accommodating lid portion 3. Thereby, the appearance when the external power supply device A is buried in the ground with the upper surface exposed on the ground surface can be improved by the decorative lid portion 4. Moreover, insulation can be ensured by using the resin-made decorative cover part 4. Furthermore, the decorative cover part 4 can be easily replaced, and the maintainability can be improved.

In the external power supply device A of the present embodiment having the above-described configuration, the stone material 9 is spread in the accommodation hole formed by excavating the ground and the embedded frame portion 1 is inserted and arranged.
At this time, anchor bolts (bolts / nuts: fixing means) 17 are attached to the anchor bolt insertion holes 7 of the embedded frame portion 1. As a result, the embedded frame 1 and thus the external power supply device A can be reliably and securely held in a state where they are disposed in the ground G.

Next, the transformer housing cover 3 is attached to the transformer housing 2 containing the transformer 10, and the transformer 10 is sealed in the main body box 20 composed of the transformer housing 2 and the transformer housing lid 3. The main body box 20 that is housed and in which the desired strength, water resistance, etc. are secured is inserted into the embedded frame portion 1 and supported, and disposed at a predetermined position. Furthermore, the decorative cover part 4 is installed on the upper surface of the main body box 20.
Thereby, the external power supply device A and the transformer 10 can be buried and installed in the ground.

  Further, in the external power supply device A of the present embodiment, the transformer housing cover 3 is attached to the transformer housing 2, and the transformer 10 is housed in the main body box 20 that ensures desired strength, water resistance, and the like. An electrician performs up to this point, and it is possible to perform wiring work for supplying electric power to various external electric devices from the transformer 10 to 36 V or less by an operator other than the electrician.

  Further, the decorative cover part 4 is detachably stacked above the transformer housing cover part 3 (main body box 20) so that the replaceable decorative cover part 4 is embedded in the ground. It is possible to improve the appearance of the structural power supply device A and further improve the scenery.

  Further, by providing not only the main body box 20 that houses the transformer 10 but also the decorative cover portion 4, it is possible to further improve the insulation.

  Therefore, in the external power supply device A of this embodiment, since it is embedded and installed in the ground, the degree of freedom of its installation position can be increased.

  Further, the external power supply device A, and thus the general commercial power supply, and the transformer 10 are connected by wiring, and the transformer housing cover portion 3 for housing the transformer 10 is attached to the transformer housing cover portion 3 to have a predetermined strength. A qualified electrician performs up to the portion of the main body box 20 that guarantees water resistance, and wiring work from the external power supply device A to various external electric devices can be performed by an operator other than the electrician. Become.

  And by using the external power supply device A of the present embodiment, it is possible to prevent the appearance from deteriorating, and in the electric construction work process by the electrician, such as landscaping, outdoor passage construction, gate / garage, etc. It is no longer necessary to combine the work processes of contractors who perform various types of construction such as construction, and it is possible to eliminate the inconvenience of causing complications due to work arrangements and the like, and extending the construction period as in the past.

  As mentioned above, although one Embodiment of the external power supply device which concerns on this invention was described, this invention is not limited to said one Embodiment, In the range which does not deviate from the meaning, it can change suitably.

DESCRIPTION OF SYMBOLS 1 Embedded frame part 2 Transformer accommodating part 3 Transformer accommodating cover part 4 Cosmetic cover part 5 Flange part 6 Insertion hole 7 Insertion hole 8 Rib 9 Crushed stone 10 Transformer (transformer power supply)
10a Input port 11 Wiring 12 Wiring hole 13 Wiring 14 Wiring hole 15 Flange part 16 Power supply base 17 Anchor bolt 20 Main body box A External power supply G Ground

Claims (4)

A power supply device for external construction that has a built-in transformer for converting the primary side commercial voltage into a secondary voltage of 36 V or less, and supplies power to the external electrical equipment,
An embedded frame portion provided with openings on the upper surface and the lower surface and formed with a through hole for wiring on the side wall portion and formed into a box frame shape and inserted into a receiving hole recessed from the ground surface;
A transformer housing part that is formed in a box shape with an opening on the upper surface and houses the transformer inside,
A detachably attached to the upper surface of the transformer housing part, hermetically seals the interior of the transformer housing part, and comprises a transformer housing lid part that constitutes a main body box together with the transformer housing part,
It is configured to be embedded in the ground and to supply power to the external electrical equipment ,
The external power supply device , wherein the transformer is housed in a double structure of the transformer housing portion and the embedded frame portion . The external power supply device according to claim 1,
An external power supply device comprising a decorative lid portion detachably disposed above the transformer housing lid portion.   In the external power supply device according to claim 1 or 2,
  In a state where the transformer accommodating portion is supported and positioned by the embedded frame portion, a predetermined gap is formed between the lower surface of the transformer accommodating portion and the lower end portion of the embedded frame portion. Power supply.   In the external power supply device according to any one of claims 1 to 3,
  Each of the embedded frame portion and the transformer accommodating portion is formed with a flange portion,
  The external structure is configured such that the transformer housing part is supported by the buried frame part and can be positioned and fixed by engaging the flange part of the transformer housing part with the flange part of the buried frame part. Power supply.

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