JPH10165232A - Outdoor table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To unnecessitate a dry battery and to use an electric equipment outdoors by providing a part of a table with a solar battery and arranging a storage battery for charging electric power generated in the solar battery and an outlet for supplying power, which is connected to a storage battery with a circuit part. SOLUTION: The solar battery 2 is set in a center part on the upper surface of the top plat 3 of a table 1, a box 10 is fitted on the lower surface of the top plate 3 and the storage battery 4 connected to the solar battery 2 is incorporated inside the box 10. Then, a plurality of outlets 5a, 5b and 5c are arranged on the side surface of the box 10 and connected to the storage battery 4 with the circuit part. The table 1 like this is placed outdoors so as to generate electric power by the irradiation of sunlight and the power is stored in the storage battery 4. Thus, the electric equipment is used outdoors without using the dry battery.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor table used outdoors.

[0002]

2. Description of the Related Art When outdoors, for example, barbecuing in the garden or camping in the mountains or the sea, a table is installed and used outdoors. In addition to such a table, a lamp, a radio, a tape recorder and the like are used. And other electrical devices are used at the same time.

[0003]

However, since there is no power source such as an indoor outlet in the outdoors, it is necessary to prepare a dry battery as a power source for electric equipment, and the cost of the dry battery is high. The present invention has been made in view of the above points, and an object of the present invention is to provide an outdoor table in which electric equipment can be used outdoors without using a dry battery as a power source.

[0004]

An outdoor table according to the present invention is characterized in that a solar cell 2 is provided on a part of a table 1. A second aspect of the present invention is to provide, on the back side of the top plate 3 of the table 1, a storage battery 4 for charging the electric power generated by the solar cells 2, and a power supply outlet 5a connected to the storage battery 4 via a circuit unit. 5b and 5c.

According to a third aspect of the present invention, a DC voltage conversion circuit 6 connected to a DC outlet 5a is provided in the circuit section.
A DC-AC voltage conversion circuit 7 connected to the AC outlets 5b and 5c is provided. Further, the invention of claim 4 is characterized in that the DC voltage conversion circuit 6 is provided with a voltage conversion volume 8 and a voltage display section 9 for displaying a DC voltage is provided near the DC outlet 5a. .

According to a fifth aspect of the present invention, the solar cell 2, the storage battery 4, the circuit section, and the outlets 5a, 5b, 5c are provided integrally with the box 10, and the box 10 is detachably attached to the top plate 3. It is characterized by the following. The invention according to claim 6 is characterized in that the top plate 3 of the table 1 and the leg 1
1 is formed so as to be foldable.

According to a seventh aspect of the present invention, the table 1 is formed of a synthetic resin. The invention of claim 8 is characterized in that the table 1 is formed of ceramic-based pottery. According to a ninth aspect of the present invention, the solar cell 2 is provided on the top surface of the top plate 3 of the table 1, the top plate 3 is formed to be foldable, and the top surface of the top plate 3 is formed of a material that reflects light. It is characterized by the following.

A tenth aspect of the present invention is characterized in that the solar cell 2 is provided on the upper surface of the top plate 3 of the table 1 and the legs 11 are formed to be extendable and contractible.

[0009]

Embodiments of the present invention will be described below. FIG. 1 shows an example of the embodiment, in which a table 1 is formed by attaching legs 11 to lower surfaces of four corners of a top plate 3 respectively. The upper end of the leg 11 is pivotally attached to the lower surface of the top plate 3 so as to be freely foldable so that the leg 11 can be overlapped with the lower surface of the top plate 3. In FIG. 1, reference numeral 16 denotes a support for holding the leg 11 in a state of vertically projecting below the top plate 3, and this support 16 is bent at the center thereof and can be folded. A solar cell 2 is provided at the center of the upper surface of the top plate 3 of the table 1. The surface of the solar cell 2 is covered with a transparent resin sheet or panel to prevent the solar cell 2 from being damaged when an object is placed on the solar cell 2. Also, a box 10 is attached to the lower surface of the top plate 3,
The storage battery 4 connected to the solar cell 2 is built in the box 10. A plurality of outlets 5a, 5b, 5c are provided on the side surface of the box 10, and these outlets 5a, 5b, 5c are connected to the storage battery 4 via a circuit section.

The outdoor table with the solar cell 2 formed as described above is sometimes used while being left outdoors in a garden, or on the sea or a mountain. When the solar cell 2 is irradiated with sunlight, power is automatically generated by the solar cell 2, and the electric power generated by the solar cell 2 is stored in the storage battery 4. When an electric device such as a lamp, a radio, a tape recorder, or a television is used outdoors, a plug of the electric device is inserted into the outlets 5a, 5b, and 5c, so that electric power is taken out using the storage battery 4 as a power source. Power can be supplied to the

FIG. 2 shows another embodiment of the present invention. In this embodiment, a solar cell 2 is integrally provided on the upper surface of a box 10 and a storage battery 4 is built in the box 10 and is connected via a circuit section. A plurality of outlets 5 a, 5 b, 5 c connected to the storage battery 4 are provided on the side surface of the box 10. That is, the solar cell 2, the storage battery 4, the outlet 5a,
5b and 5c are integrated by a box 10, and the locking flange piece 1 is provided around the upper surface of the box 10 over the entire circumference.
7 is provided overhanging. Outlets 5a, 5 above
As b and 5c, it is preferable to form them as rainproof type suitable for outdoor use.

FIG. 3 shows a circuit configuration of the solar battery 2, the storage battery 4, the outlets 5a, 5b, 5c, etc. The solar battery 2 is connected to the storage battery 4 via a charge control circuit 18, Control power to the power generated in step 2
The electric power is supplied to the storage battery 4 and stored in the battery while the control is performed in the step (1). A circuit section between the storage battery 4 and the outlets 5a, 5b, 5c includes a DC voltage conversion circuit 6 for boosting current from the storage battery 4 as a low-voltage DC power supply and supplying the boosted current to the DC outlet 5a, and a low-voltage DC power supply. The current from a certain storage battery 4 is converted to alternating current and the voltage is increased to increase the AC outlet 5b,
And a DC-AC voltage conversion circuit 7 for supplying the DC-AC voltage to the DC-AC voltage converter 5c. The DC voltage conversion circuit 6 is formed by a DC-DC converter or the like. The DC-AC voltage conversion circuit 7 is formed by an inverter or the like.
A DC-AC voltage conversion circuit 7a for converting to 100V,
DC-AC voltage conversion circuit 7b 2
DC-to-AC100V
The AC voltage conversion circuit 7a is an outlet 5 for AC100V.
b, a DC-AC voltage conversion circuit 7b for converting to AC 200 V is connected to an AC 5 V outlet 5c.

The DC-AC voltage conversion circuit 6 is connected to a voltage conversion volume 8 formed by a resistor for varying the output voltage. A voltage knob 19 provided on the side of the box 10 controls the voltage conversion volume. By operating the DC power supply 8, the DC voltage output to the DC outlet 5a can be freely changed. The DC-AC voltage conversion circuit 6 is connected to a voltage display unit 9 formed by an ammeter or the like. The voltage display unit 9 is provided on the side of the box 10 near the DC outlet 5a. 1 has the same circuit configuration as that of FIG.

On the other hand, the top plate 3 of the table 1 is formed by connecting two plate members 20a and 20b rotatably with hinges 21 or the like so that the top plate 3 of the table 1 can be folded in two toward the back side at the center thereof. In addition, openings 22a and 22b are provided in the center of each of the opposing sides of each of the plate members 20a and 20b in a U-shape (see FIG. 4). Each of the legs 11 attached to the four corners of the top plate 3 is configured such that a pivot piece 23 attached to the upper end of the leg 11 is pivotally attached to a pivot piece 27 attached to the lower surface of the top plate 3. It can be rotated and folded in the direction of overlapping on the lower surface of the top plate 3 (see FIG. 4).

Thus, the two plate members 20a and 20b are spread horizontally to form one top plate 3, and each leg 11 is
The table 1 can be assembled by rotating so as to hang from the lower surface of the table 1. Since the openings 22a and 22b of the two plate members 20a and 20b coincide with each other to form a square opening at the center of the top plate 3, the openings 22a and 22b are formed.
2b is fitted from above into the box 10 shown in FIG.
The box 10 can be detachably attached to the top plate 3 of the table 1 by locking the locking flange piece 17 of the box 10 on the upper surface of the periphery of the openings 22a and 22b as shown in FIG. The solar cell 2 can be provided on the upper surface of the central portion of the top plate 3 as shown in FIG.

Even in this case, the power is automatically generated by the solar cell 2 by leaving the table 1 outdoors, and the electric power generated by the solar cell 2 is stored in the storage battery 4. When using an electric device outdoors, in the case of an electric device operated by a DC power supply, the plug is inserted into a DC outlet 5a,
A direct current can be supplied to an electric device. At this time, by operating the voltage conversion volume 8 with the volume knob 19 to change the DC voltage output to the DC outlet 5a, a DC current can be supplied to the electric device at a required voltage. Can use various types of electrical equipment. The voltage of the DC current at this time is displayed on the voltage display section 9 near the DC outlet 5a, so that the voltage can be easily checked. In the case of an electric device operated with a power supply of AC100V, the plug is inserted into an outlet 5b for AC100V.
An AC current can be supplied to an electric device by plugging it into a 0 V outlet 5c, so that an AC electric device can be used.
Both 0V electric equipment and AC200V electric equipment can be used.

When the table 1 is not used, the box 10 is removed from the table 1, and the legs 11 and the top plate 3 are removed.
By folding the table 1 as shown in FIG.
Can be reduced in size and can be easily stored in a storeroom or the like. FIG. 5 shows still another example of the embodiment, in which the top plate 3 of the table 1 is
0c, 20d, and each plate material 20c, 20d
As for d, one side end thereof is pivotally connected by a hinge 24 so as to be vertically rotatable. The legs 11 are attached to the four corners of the lower surface of the lower plate member 20c, and the solar cells 2 are provided on the upper surface of the lower plate member 20c. The surface of each plate 20c, 20d, that is, the upper surface of the lower plate 20c and the upper plate 20d
Are formed of a material that reflects light, such as a metal or a metal film.

In this case, when power is generated by the solar cell 2, the upper plate 20d of the top plate 3 is rotated upward as shown in FIG. 5 (a) to tilt the plate 20d outward. The upper surface of the solar cell 2 is opened so that the solar cell 2 receives sunlight. At this time, the plate material 20d which stands upright
By adjusting the inclination angle and direction of the
The sunlight can be reflected on the light reflecting surface of the solar cell 2 to be incident on the solar cell 2. Therefore, reflected light can be made incident on the solar cell 2 in addition to direct light,
The solar energy can be efficiently absorbed by the solar cell 2 to increase the power generation efficiency. In order to hold the plate 20d in the upright state, for example, the plate 20c, 20
This can be done by suspending the connecting bar 29 between the points d. When the table 1 is used, the upper plate 20d is rotated downward to overlap the plates 20c and 20d as shown in FIG.
An object can be placed on the top plate 3 formed by Od.
At this time, since the solar cell 2 is covered with the upper plate 20d, the solar cell 2 can be protected by the plate 20d.

FIG. 6 shows still another example of the embodiment, in which each leg 11 of the table 1 is formed in multiple stages so that it can be extended and contracted. For example, each leg 11 is formed of a cylindrical upper leg piece 11a having an open lower surface, and a lower leg piece 11b inserted into the upper leg piece 11a so as to be freely deep and shallow, and the lower leg piece 11b is inserted into the upper leg piece 11a. By adjusting the dimensions, the legs 11
Can be expanded and contracted. Lower leg piece 1 to upper leg piece 11a
1b is fixed from the upper leg piece 11a to a fixing tool 25 such as a bolt.
, And press the distal end of the fixing tool 25 against the lower leg piece 11b. Each leg piece 11
Is pivotally attached to the lower surface of the top plate 3 so as to be freely rotatable.

In this embodiment, a solar cell 2 is provided on the upper surface of the top plate 3 of the table 1, and the top plate 3 can be inclined by shortening a pair of legs 11 on one side of the table 1. . By adjusting the length of the legs 11, the inclination angle of the top plate 3 can be adjusted. By adjusting the surface of the solar cell 2 to be orthogonal to the direction of irradiation of sunlight, The solar cell can efficiently irradiate the surface of the solar cell 2 with sunlight, and can efficiently absorb the energy of the solar light in the solar cell 2 to increase the power generation efficiency.

Here, in each of the above-mentioned tables 1, by forming the top plate 3 and the legs 11 from a lightweight and water-resistant synthetic resin, the table 1 is easy to carry and can be used outdoors for a long period of time when it is wet with rain. It can be used over a wide range. Further, in each of the above tables 1, the tabletop 3 and the legs 11 are formed of ceramic-based ceramics such as ceramics, so that even if the table 1 is always installed in a garden or the like, a feeling of strangeness is eliminated.

[0022]

As described above, according to the present invention, a solar cell is provided in a part of the table, so that the solar cell can automatically generate electric power while the table is left outdoors. Thus, the battery can be used as a power source when an electric device is used, so that it is not necessary to use a dry battery, and the labor and cost for preparing the dry battery can be saved.

According to a second aspect of the present invention, a storage battery for charging electric power generated by a solar cell and an outlet for taking out a power supply connected to the storage battery via a circuit portion are provided on the back side of the tabletop of the table. As a result, a bulky storage battery can be stored using the space below the top plate,
In addition, it is a thing that can prevent rain from hitting the outlet by blocking the rain with the top plate, it is possible to use the outlet safely and to maintain the life of the outlet for a long time, and furthermore, the outlet is from the ground Because it is far away, the rain does not bounce.

According to a third aspect of the present invention, a DC voltage conversion circuit connected to a DC outlet and a DC-AC voltage conversion circuit connected to an AC outlet are provided in the circuit section. The electric power generated by the solar cell can be used as a power supply for a DC electric device or an AC electric device. According to the fourth aspect of the present invention, the DC voltage conversion circuit is provided with a voltage conversion volume, and the voltage display section for displaying the DC voltage is provided near the DC outlet. It is possible to use various types of electrical equipment with different voltages, and the voltage of the DC current at this time can be easily confirmed on the voltage display near the DC outlet, It can be prevented from being used at an appropriate voltage.

According to a fifth aspect of the present invention, a solar cell, a storage battery, a circuit portion, and an outlet are integrally provided in a box and the box is detachably attached to a top plate. It can be made portable. Further, according to the invention of claim 6, since the table top and the legs of the table are formed so as to be foldable, when the table is not used, the table top and the legs can be folded to reduce the bulk of the table. This makes it easy to store in

According to the seventh aspect of the present invention, since the table is formed of a synthetic resin, the table can be formed to be lightweight and highly water-resistant, so that the table can be easily carried and can be outdoors when wet. Thus, it can be used for a long time. The invention of claim 8 is
Since the table is made of ceramic-based pottery, the table can be installed in a garden or the like without a sense of incongruity.

According to a ninth aspect of the present invention, a solar cell is provided on a top plate of a table, and the top plate is formed to be freely foldable.
Since the surface of the top plate is made of a material that reflects light, sunlight can be reflected on the surface of the top plate and incident on the solar cell. Is incident on the solar cell so that the energy of sunlight can be efficiently absorbed by the solar cell, and the power generation efficiency of the solar cell can be increased.

According to a tenth aspect of the present invention, the solar cell is provided on the upper surface of the table top and the legs are formed so as to be extendable and contractable. By adjusting the inclination of the top plate so that the surface of the solar cell is orthogonal to the direction of irradiation of sunlight, it is possible to efficiently irradiate sunlight to the surface of the solar cell, The solar energy can be efficiently absorbed by the solar cell to increase the power generation efficiency.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of the present invention,
(A) is a perspective view, (b) is a front view.

FIG. 2 shows another example of the embodiment of the present invention,
(A) is a perspective view, (b) is a partially enlarged sectional view.

FIG. 3 is a block diagram illustrating a circuit configuration according to each embodiment of the present invention.

FIG. 4 is a sectional view showing a state where a table is folded.

FIG. 5 shows another example of the embodiment of the present invention;
(A), (b) is a front view, respectively.

FIG. 6 is a front view showing another example of the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Table 2 Solar cell 3 Top plate 4 Storage battery 5a, 5b, 5c Outlet 6 DC voltage conversion circuit 7 DC-AC voltage conversion circuit 8 Voltage conversion volume 9 Voltage display part 10 Box 11 Leg

Claims (10)

[Claims] 1. An outdoor table comprising a part of a table provided with a solar cell. 2. A storage battery for charging electric power generated by a solar cell and an outlet for taking out a power supply connected to the storage battery via a circuit unit are provided on a back side of a tabletop of the table. The outdoor table according to claim 1. 3. The circuit unit according to claim 2, further comprising a DC voltage conversion circuit connected to a DC outlet and a DC-AC voltage conversion circuit connected to an AC outlet. The outdoor table as described. 4. The outdoor table according to claim 3, wherein a voltage conversion volume is provided in the DC voltage conversion circuit, and a voltage display unit for displaying the DC voltage is provided near the DC outlet. 5. The outdoor device according to claim 2, wherein a solar cell, a storage battery, a circuit portion, and an outlet are provided integrally with the box, and the box is detachably attached to a top plate. Table. 6. The outdoor table according to claim 5, wherein the top plate and the legs of the table are formed so as to be foldable. 7. The outdoor table according to claim 1, wherein the table is formed of a synthetic resin. 8. The outdoor table according to claim 1, wherein the table is formed of ceramic-based pottery. 9. The table according to claim 1, wherein a solar cell is provided on the tabletop, the tabletop is foldable, and the surface of the tabletop is formed of a material that reflects light. The outdoor table according to any one of the above. 10. The outdoor table according to claim 1, wherein a solar cell is provided on an upper surface of a top plate of the table, and legs are formed to be extendable and contractable.