JP2019185990A - Battery storage box - Google Patents

Abstract

To provide a battery storage box suitable for using an air battery outdoors.SOLUTION: A battery storage box 1 includes: an inner box 3 for detachably storing an air battery 10; and an outer box 4 surrounding the inner box 3 with heat insulating spaces S1 to S5 using air around the inner box 3. The outer box 4 forms the heat insulating spaces S1 to S4 over at least front, rear, left and right of the inner box 3, and the inner box 3 has vent holes (holes 8B and the like) through which outside air enters and exits into and from the inner box.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an outdoor battery storage box.

  A battery box in which an air battery is housed in a cardboard outer box is known (for example, Patent Document 1). The outer box of the battery box accommodates a plurality of air batteries, and stores a DC / DC converter in an empty space between the air batteries and the upper lid of the outer box, and has an opening for allowing air to enter and exit from the side. is doing.

Japanese Patent No. 5690443

By the way, when the conventional configuration is used outdoors, the temperature of the air battery rises due to the influence of direct sunlight or the like, and rainwater or the like enters the inside.
Then, an object of this invention is to provide a battery storage box suitable when an air battery is used outdoors.

  In order to solve the above-described problems, the present invention provides a battery storage box for storing an air battery, and an inner box for detachably storing the air battery, and an insulating space using air around the inner box. And an outer box that surrounds the inner box, the outer box forming the heat insulation space at least in the front, rear, left, and right of the inner box, and having a vent for allowing outside air to enter and exit the inner box. It is characterized by that.

  In the above configuration, the outer box covers a side wall that forms the heat insulating space across the front, rear, left, and right of the inner box and an inner space surrounded by the side wall so as to be openable and closable from above. And when the lid is closed, the lid contacts a part of the side wall and functions as the vent between the lid and the other part of the side wall. There may be a gap.

  In the above-described configuration, there is provided a foot portion that protrudes downward from the battery storage box, and a hole that functions as the vent is provided in the bottom plate of the inner box, and a filter that prevents foreign matter from entering through the hole. It may be provided.

  The said structure WHEREIN: The supporting member which carries out the floating support of the said air battery may be provided in the bottom plate of the said inner box.

  The said structure WHEREIN: Any one of the said heat insulation space located in the front, back, right, and left of the said inner box may be provided with the opening part which the lower part open | releases and the air which flowed in from the said lower part flows in in the said inner box.

  In the above-described configuration, a power supply unit that converts DC power output from the air battery into predetermined power and supplies the power to a load is accommodated in any of the heat insulating spaces located in front, rear, left, and right of the inner box. A sealing packing may be provided between the heat insulating space that houses the power supply unit and the lid.

  The said structure WHEREIN: The said battery storage box may be formed with the board | plate material which has a hollow structure, and it is good also considering this board | plate material as a plastic cardboard.

  In the above configuration, the upper surface of the battery storage box is a hollow box that can store a bottle filled with a liquid to be injected into the air battery and can suppress a temperature rise in the battery storage box due to direct sunlight. May be arranged.

  The battery storage box of the present invention can supply a sufficient amount of air to the air battery, and can suppress a temperature change in the inner box due to direct sunlight, etc. Therefore, a battery storage box suitable for arranging the air battery outdoors is provided. It becomes possible to provide.

It is a front view of the battery storage box which concerns on embodiment of this invention. It is a top view of a battery storage box. It is the figure which looked at the battery storage box of the state which opened the cover body from upper direction. It is the figure which looked at the battery storage box of FIG. 3 from the side. It is VV sectional drawing of FIG. It is VI-VI sectional drawing of FIG. It is a front view of an air battery. It is sectional drawing of each air battery in a battery box. (A) is a front view of the battery storage box provided with the storage box, (B) is a side view.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a battery storage box according to an embodiment of the present invention, and FIG. 2 is a top view.
The battery storage box 1 is a rectangular parallelepiped storage box that detachably stores the battery box 2 and can be disposed and used outdoors. For example, the battery storage box 1 is used as an emergency power source that supplies power to devices that are desired to be used even when a power failure occurs due to a disaster.

  Each direction such as up and down shown in FIGS. 1 and 2 and each drawing described later corresponds to each direction when the battery storage box 1 is used. For example, the left-right direction coincides with the longitudinal direction of the battery storage box 1, and the left and right ends of the battery storage box 1 may be provided with handles that are gripped by the user when the battery storage box 1 is moved. The front side is a user side who performs various operations (such as replacement of the battery box 2) on the battery storage box 1, and the rear side is in consideration of the installation location of the battery storage box 1, for example, when placed close to the wall. The wall side. However, each direction may be changed as appropriate depending on the usage situation.

  The battery box 2 is a unit that supports a plurality of air batteries 10 (FIGS. 7 and 8 to be described later). By exchanging the battery box 2, a plurality of air batteries 10 can be exchanged together. This battery box 2 can be applied with any configuration as long as it has a configuration that supports a plurality of air cells 10 together and exposes at least a part of each air cell 10.

  The battery storage box 1 includes an inner box 3 for detachably storing the battery box 2, and an outer box 4 surrounding the inner box 3 with a heat insulating space using air around the inner box 3. Made of plastic cardboard. The plastic corrugated cardboard is a sheet made of polypropylene having a hollow structure, is a material that does not penetrate water, is lightweight, and can be easily folded.

  Each part constituting the battery storage box 1 is manufactured by cutting a plastic cardboard and bending it appropriately. Moreover, each part is mutually joined by well-known fasteners (it shows with the code | symbol 5 in FIG. 1), such as heat welding or a plastic rivet or a clip. For this reason, compared with the case where the battery storage box 1 is made of metal, it is possible to reduce the weight while obtaining a desired strength, and it is possible to avoid the occurrence of initial costs such as mold costs such as resin molded products.

The inner box 3 is formed in a rectangular box that opens upward, and is a rectangular plate-like bottom plate 3A that is horizontal to the ground G, and a rectangle that stands up from the bottom plate 3A and covers the front, rear, left, and right of the battery box 2 It has a plate-like side wall 3B.
The outer box 4 has a rectangular box body 4A that opens upward and a lid body 4B that covers the box body 4A so that the box body 4A can be opened and closed from above. The box body 4A is supported by the plurality of legs 4C floating from the ground G. Is done. As shown in FIG. 1, the lid 4B is joined to the box 4A by a plurality of fasteners 5, and a part of the lid 4B is bent, so that the lid 4B can be opened and closed without providing a separate hinge part.

  The box 4A of the outer box 4 includes a rectangular plate-like bottom plate 5A that is horizontal to the ground G, and rectangular plate-like side walls 5B that are erected from the outer peripheral edge of the bottom plate 5A. The bottom plate 5A of the outer box 4 and the bottom plate 3A of the inner box 3 may be the same component or different components. Hereinafter, for convenience of explanation, the bottom plate 3A of the inner box 3 is denoted as “inner bottom plate 3A”, and the side wall 3B of the inner box 3 is denoted as “inner side wall 3B”.

As shown in FIG. 2, the inner side wall 3B includes an inner front wall 3F, an inner rear wall 3G, an inner left wall 3L, and an inner right wall 3R that are positioned on the front, rear, left, and right sides of the battery box 2.
The side wall 5B of the outer box 4 is disposed rearward with a gap S2 between the front wall 5F and the inner rear wall 3G, which is disposed forward with a gap S1 between the inner front wall 3F and the inner wall 3F. A left wall 5L disposed on the left side with a gap S3 between the wall 5G and the inner left wall 3L, and a right wall 5R disposed on the right side with a gap S4 between the inner right wall 3R. And have.

  A space corresponding to each of the gaps S1 to S4 is a cavity, and each cavity is filled with air. Thereby, the space corresponding to each clearance gap S1-S4 turns into heat insulation space from which the heat insulation effect by air is acquired. Hereinafter, the spaces corresponding to the gaps S1 to S4 are referred to as heat insulation spaces S1 to S4.

FIG. 3 is a view of the battery storage box 1 with the lid 4B open as viewed from above. In FIG. 3, the battery box 2 is omitted.
As shown in FIG. 3, since the heat insulation spaces S1 to S4 are formed across the front, rear, left and right of the inner box 3, it is possible to suppress the temperature rise in the inner box 3 due to the influence of direct sunlight and the like. Thereby, the temperature rise of the battery box 2 in the inner box 3 can be suppressed. Moreover, the temperature in the inner box 3 can be stabilized more than the outer space also in winter and summer.

The lid 4 </ b> B is formed larger than the outer box 4 in a top view of the battery storage box 1. Accordingly, the lid 4B is closed to prevent intrusion of rainwater or the like from above, and a gap through which air enters and exits between the lid 4B and the outer box 4 (part of a gap 8D in FIG. 5 described later). Equivalent).
The lid 4B is provided with a plurality of cushion members 6A that come into contact with the upper surface of the battery box 2 in the inner box 3 when the lid 4B is closed. Thus, when the lid 4B is closed, a gap S5 (FIG. 5 described later) in which the cushion member 6A is inserted is formed between the lid 4B and the battery box 2, and this gap S5 is also air. It functions as an insulated space using Therefore, the temperature rise in the inner box 3 due to the influence of the direct sunlight irradiated on the lid 4B can be suppressed.
Further, a sealing packing 6B (shown with hatching in FIG. 3) is also provided on the inner surface of the lid 4B to close the upper opening of the heat insulation space S2 when the lid 4B is closed. Yes.

4 is a side view of the battery storage box 1 of FIG. In FIG. 4, the battery box 2 is indicated by a two-dot chain line.
As shown in FIGS. 3 and 4, in the heat insulation space S <b> 2, a power supply unit 7 that converts DC power output from the air battery 10 in the battery box 2 into predetermined power and supplies the converted power to a load. Is housed. This power supply unit 7 has a panel 7A located above the heat insulating space S2 and a mounting board provided on the back side of the panel 7A, and is provided with an output terminal for outputting the converted electric power to the panel 7A. It has been.
Since the power supply unit 7 is arranged using the heat insulation space S2, the battery storage box 1 can be downsized as compared with the case where the arrangement space for the power supply unit 7 is separately provided, and the power supply unit is affected by direct sunlight or the like. 7 can be suppressed.
Note that a converter (DC-DC converter) or an inverter (DC-AC inverter) can be used as a power supply unit that converts the DC power into predetermined power.

Since the upper opening of the heat insulation space S2 is closed by the sealing packing 6B provided in the lid 4B, it is possible to increase the independence of the heat insulation space S2 and further improve the heat insulation and the airtightness from the surroundings. Since the airtightness can be improved, it is possible to effectively avoid the situation where the reaction gas of the air battery 10 flows into the heat insulating space S2.
Further, a sealing packing 6C (see FIGS. 3 and 4) is also provided at the upper ends of the portions corresponding to the inner rear wall 3G, the inner left wall 3L, the inner right wall 3R and the rear wall 5G forming the heat insulating space S2. Yes. For this reason, the power supply cable connected to the output terminal of the power supply unit 7 is sandwiched between the sealing packings 6C and 6B, thereby sufficiently ensuring the sealing performance of the heat insulating space S2. As the sealing packings 6C and 6B, known packings such as rubber packings can be widely applied.

  As shown in FIGS. 3 and 4, the inner bottom plate 3A is provided with a plurality of support members 8A for floatingly supporting the battery box 2, and air is caused to flow into the inner box 3 between the support members 8A. A plurality of holes 8B (see FIG. 3) functioning as ventilation holes are provided. The air battery 10 is positioned and floating-supported by these support members 8A, and air from below can flow into the inner box 3 through the holes 8B.

  Further, a filter 8C (indicated by a two-dot chain line in FIG. 3) covering the plurality of holes 8B is placed on the inner bottom plate 3A. While these filters 8C have air permeability, they block the entry of foreign matters such as insects from the holes 8B. As described above, since the battery storage box 1 is floatingly supported on the ground G by the legs 4C, it becomes easy to allow air to flow into the battery storage box 1 without allowing moisture from the ground G to enter the battery storage box 1.

5 is a cross-sectional view taken along the line VV in FIG. Here, as shown in FIGS. 4 and 5, the left and right side walls (left wall 5L, right wall 5R) of the outer box 4 are formed lower than the front and rear side walls (front wall 5F, rear wall 5G). . Further, the left and right side walls (inner left wall 3L, inner right wall 3R) of the inner box 3 are also formed lower than the front and rear side walls (front wall 5F, rear wall 5G) of the outer box 4. As a result, as shown in FIG. 5, a gap 8D is formed between the lid 4B and the left and right side walls (the left wall 5L and the right wall 5R) that functions as a vent through which air enters and exits.
That is, when the lid 4B is closed, the lid 4B comes into contact with a part of the side wall 5B, and a gap 8D that functions as a vent is formed between the lid 4B and the other part of the side wall 5B. .

  Here, the arrow in FIG. 5 shows an example of the air flow from the hole 8B provided in the inner bottom plate 3A. As shown in FIG. 5, the air flowing in from the hole 8B can flow outward from the inner box 3 through the left and right gaps 8D.

6 is a sectional view taken along line VI-VI in FIG. As shown in FIG. 6, the heat insulating space S <b> 1 is open at the lower side among the heat insulating spaces S <b> 1 to S <b> 4. In addition, the inner front wall 3F, which is a partition member that partitions the heat insulation space S1 and the inside of the inner box 3, receives the air flowing into the heat insulation space S1 as shown by arrows in FIG. An opening 8E to be introduced into the box 3 is formed. Thereby, air can be caused to flow into the inner box 3 while suppressing a temperature rise in the inner box 3 due to the influence of direct sunlight or the like from the front side.
Thus, in this structure, since it has the hole 8B functioning as a vent for allowing outside air to enter and exit from the inner box 3, the gap 8D, and the opening 8E, sufficient air can be supplied to the air battery 10, and the battery The gas and heat generated by the reaction can be discharged to the outside. Moreover, since it has heat insulation space S1-S4 over at least front and rear, right and left of the inner box 3, the temperature change in the inner box 3 by direct sunlight etc. can be suppressed effectively.

(About air battery)
Next, an example of the air battery 10 stored in the battery storage box 1 will be described.
FIG. 7 is a front view of the air battery 10, and FIG. 8 is a cross-sectional view of each air battery 10 in the battery box 2.
The air battery 10 includes a hollow box-shaped exterior body 11 (also referred to as a battery case or a battery case), an air electrode 13 exposed outside the exterior body 11, and a metal electrode 15 accommodated in the exterior body 11 (FIG. 8). And. The air battery 10 is a magnesium air battery using a magnesium alloy for the metal electrode 15, and the electrolytic solution is a sodium chloride aqueous solution. The air battery 10 is a primary battery in which the air electrode 13 acts as a positive electrode and the metal electrode 15 acts as a negative electrode when an electrolyte is injected into the outer package 11. In FIG. 8, the symbol UL indicates the upper surface position of the electrolytic solution.

The exterior body 11 includes a bottom plate portion 21 constituting the bottom surface of the exterior body 11, a front wall portion 22 constituting the front surface, a rear wall portion 23 (FIG. 8) constituting the rear surface, and left and right side walls constituting the left and right side surfaces. A portion (left wall portion, right wall portion) 24 and an upper plate portion 25 constituting the upper surface are integrally provided. The front wall portion 22 and the rear wall portion 23 are identically shaped surfaces (laterally long surfaces) that are longer in the left-right direction than in the up-down direction, are arranged in parallel to each other, and are formed on the largest surface in the exterior body 11. Yes.
The front wall portion 22 and the rear wall portion 23 are provided with an opening portion 22 </ b> K that is covered with the air electrode 13. In this air battery 10, since the air electrode 13 is arrange | positioned on the both sides of the metal electrode 15 of 1 sheet, an air electrode area can be enlarged. The air battery 10 may have a configuration in which one metal electrode 15 and one air electrode 13 are arranged, and the number of each electrode plate is not limited.

The exterior body 11 is formed by bending a sheet material containing paper. Specifically, as shown in FIG. 8, the bottom plate portion 21 is formed in a downwardly convex V shape in a side view, and thereby the lower end of the metal electrode 15 is positioned by the downwardly convex portion 21 </ b> T.
Further, the upper plate portion 25 is formed by bending the upper ends of the front wall portion 22 and the rear wall portion 23 as shown in FIG. The upper plate portion 25 is bent so that the upper portion of the metal electrode 15 is sandwiched alternately from the front wall portion 22 and the rear wall portion 23 in front of the metal electrode 15 or below the metal electrode 15. It has portions 25A, 25B, 25C, and 25D, and supports the upper portion of the metal electrode 15 by these bent portions 25A to 25D. Thus, the upper plate portion 25 also serves as a support member that supports the metal electrode 15.

  The bent portions 25A and 25C are portions where the front wall portion 22 is bent, and the bent portions 25B and 25D are portions where the rear wall portion 23 is bent. On both sides of the metal electrode 15, gaps SF and SR having the same width are provided, and the space corresponding to the gaps SF and SR is filled with the electrolytic solution.

  The sheet material used as the exterior body 11 is made of a sheet material provided with a film on the surface of paper constituting the base material, and a cutting process (also referred to as a rotary theta process), a punching process, and a peeling process are performed on this material. Are performed in order, and are generally referred to as blanks, blank sheets or punched sheets.

  The air electrode 13 is formed by integrating a catalyst sheet 13B constituting a catalyst layer on both surfaces of a rectangular copper mesh 13A constituting a current collector by pressing (pressing) or the like. A part of the copper mesh 13A is exposed to the outside of the catalyst sheet 13B, and the exposed part is used as the terminal 13T of the air electrode 13. The air electrode 13 has air permeability that allows external air to pass through the exterior body 11 and non-water permeability that does not leak electrolyte. In addition, about water-impermeable, you may make it ensure by providing the sheet | seat which has water-impermeable separately.

The air battery 10 is not limited to the above configuration, and a wide variety of known air battery configurations can be applied. For example, a bag body containing sodium chloride, which is an electrolyte, may be arranged inside the exterior body 11, and power may be generated by injecting water such as tap water.
The metal electrode 15 is not limited to a magnesium alloy, and other materials may be used. Examples of the other material include metals such as zinc, iron, and aluminum, or alloys containing any of these.

  As described above, the battery storage box 1 of the present embodiment includes an inner box 3 that detachably houses the air battery 10 and an inner space 3 that is surrounded by the heat insulating spaces S1 to S5 using air. And an outer box 4 surrounding the box 3. The outer box 4 forms heat insulating spaces S1 to S4 over at least the front, rear, left and right of the inner box 3, and vents (holes 8B, gaps 8D and openings 8E) through which outside air enters and exits the inner box 3. )have. Thereby, sufficient air can be supplied to the air battery 10, gas and heat generated by the battery reaction can be discharged to the outside, and temperature change in the inner box 3 due to direct sunlight can be suppressed. Therefore, it is possible to provide a battery storage box 1 that is suitable when the air battery 10 is disposed outdoors.

  In addition, the outer box 4 can be opened and closed from above with a side wall 5B that forms heat insulating spaces S1 to S4 across the front, rear, left, and right of the inner box 3 and an inner space surrounded by the side wall 5B. The lid 4B has a cover 4B, and when the lid 4B is closed, the lid 4B comes into contact with a part of the side wall 5B and functions as a vent between the lid 4B and the other part of the side wall 5B. A gap 8D is formed. Thereby, air can be circulated in the inside by the gap 8D that is vacant between the lid 4B and the side wall 5B while preventing the intrusion of rainwater by the lid 4B.

Also, a foot portion 4C that protrudes downward from the battery storage box 1 is provided. The inner bottom plate 3A has a hole 8B that functions as a vent for allowing outside air to enter and exit from the inner box 3, and a foreign substance entering from the hole 8B. A filter 8C is provided to prevent the above. Thereby, entry of foreign matter from below can be prevented while circulating air in the battery storage box 1.
Moreover, since the support member 8A for floatingly supporting the air battery 10 is provided on the inner bottom plate 3A, air can easily flow from the holes 8B provided on the inner bottom plate 3A.

In addition, the heat insulating space S1 in front of the inner box 3 is open at the lower side and is provided with an opening 8E through which air flowing in from the lower side flows into the inner box 3, so that the heat insulating space S1 can insulate the inner box 3 from heat. As shown, external air can be supplied into the inner box 3 through the heat insulating space S1.
In addition, it is not limited to this structure, You may make it open the lower part of other heat insulation space S2-S3, and may provide the opening part 8E into which the air which flowed in from the downward direction flows in in the inner box 3. FIG. In short, any one or more of the heat-insulating spaces S1 to S4 located on the front, rear, left and right of the inner box 3 are opened, and an opening 8E is provided to allow the air flowing from below to flow into the inner box 3. That's fine.

In addition, since the power supply unit 7 is accommodated in the heat insulation space S2, and the sealing packing 6B is provided between the heat insulation space S2 that accommodates the power supply unit 7 and the lid body 4B, moisture and foreign matter to the power supply unit 7 are provided. The entry can be effectively prevented.
In addition, it is not limited to the structure which provides the power supply unit 7 in the heat insulation space S2, You may provide in any of heat insulation space S1-S4. Moreover, you may use the some heat insulation space among heat insulation space S1-S4 for the arrangement space of components, such as the power supply unit 7. FIG.

In addition, since the battery storage box 1 is formed of plastic cardboard, it can be reduced in weight while obtaining strength that can be used repeatedly, and it is possible to avoid occurrence of initial costs such as mold costs, which is advantageous for cost reduction. Note that the material of the battery storage box 1 is not limited to plastic cardboard. For example, other plate materials having a hollow structure excluding plastic cardboard may be used. By using a plate material having a hollow structure, the battery storage box 1 can be made light and easy to carry.
In addition, when the weight reduction of the battery storage box 1 is unnecessary, or further durability is required, you may form using plate materials other than a hollow structure, and you may change a material suitably.

The present invention is not limited to the above-described embodiment, and various modifications and changes can be made based on the technical idea of the present invention.
For example, the battery storage box 1 may include a storage box 100 that stores a bottle containing a liquid to be injected into the air battery 10. FIG. 9A is a front view of the battery storage box 1 including the storage box 100, and FIG. 9B is a side view.
The storage box 100 includes a rectangular parallelepiped box body 100A that opens upward, and a lid body 100B that covers the box body 100A so that the box body 100A can be opened and closed from above, and constitutes a hollow box body. The storage box 100 is formed in a hollow shape so as to be able to store a plurality of bottles containing an electrolytic solution, and is disposed on the upper surface of the battery storage box 1 so as to cover the entire upper surface of the battery storage box 1.

  With this storage box 100, an electrolyte can be provided in the vicinity of the battery storage box 1. In addition, the storage box 100 can suppress a temperature rise in the battery storage box 1 due to direct sunlight. Thereby, it becomes possible to further suppress the situation where the temperature of the air battery 10 easily rises due to the influence of direct sunlight or the like.

  Moreover, although the case where the battery storage box 1 is formed in a rectangular parallelepiped shape has been described in the above-described embodiment, the present invention is not limited to the rectangular parallelepiped shape. In addition, the shape of each part of the battery storage box 1 may be changed as appropriate. For example, the side walls 3B and 5B may not be limited to a rectangular frame shape when viewed from the top. It may be a shape or a frame shape along a circle. In addition, the shape, position, and the like of the hole 8B, the gap 8D, and the opening 8E that serve as the vent can be changed as appropriate.

  Moreover, although the case where the several air battery 10 was accommodated in the battery storage box 1 using the battery box 2 was demonstrated, you may accommodate the several air battery 10 in the battery storage box 1 directly. Moreover, although the case where the battery storage box 1 can accommodate a plurality of air batteries 10 has been described, a battery storage box for outdoor placement that accommodates one air battery 10 may be used.

DESCRIPTION OF SYMBOLS 1 Battery storage box 2 Battery box 3 Inner box 3A Inner bottom plate (bottom plate of inner box)
3B inner side wall (side wall of inner box)
3F Inner front wall 3G Inner rear wall 3L Inner left wall 3R Inner right wall 4 Outer box 4A Box body 4B Lid 4C Foot 5 Fastening 5A Bottom box of outer box 5B Side wall of outer box 5F Front wall of outer box 5G Outer box Rear wall 5L Left wall of outer box 5R Right wall of outer box 6A Cushion member 6B, 6C Sealing seal 7 Power supply unit 8A Support member 8B Hole (vent hole)
8C Filter 8D Clearance (Vent)
8E opening (vent)
10 Air battery G Ground S1-S4 Crevice (heat insulation space)

In order to solve the above-described problems, the present invention provides a battery storage box for storing an air battery, and an inner box for detachably storing the air battery, and an insulating space using air around the inner box. An outer box surrounding the inner box, the outer box forming the heat insulation space at least in the front, rear, left and right of the inner box, and having a vent for allowing outside air to enter and exit the inner box. The outer box includes a side wall that forms the heat insulating space across the front, rear, left, and right of the inner box, and a lid that covers the inner space surrounded by the side wall so that the inner box can be opened and closed from above. When the lid body is closed, the lid body abuts on a part of the side wall, and a gap functioning as the vent hole is formed between the lid body and the other part of the side wall. It has characterized Rukoto.

Claims (8)

In the battery storage box that stores the air battery,
An inner box for detachably housing the air battery;
Around the inner box, provided with an outer box that surrounds the inner box with a heat insulating space using air,
The battery box is characterized in that the outer box forms the heat insulating space over at least the front, rear, left and right of the inner box, and has a vent for allowing outside air to enter and exit the inner box. The outer box is formed between the inner box and the side wall forming the heat insulating space across the front, rear, left and right of the inner box,
A lid that covers the internal space surrounded by the side walls so as to be freely opened and closed from above;
When the lid is closed, the lid comes into contact with a part of the side wall, and there is a gap that functions as the vent between the lid and the other part of the side wall. The battery storage box according to claim 1. A foot portion projecting downward from the battery storage box;
3. The battery storage box according to claim 1, wherein the bottom plate of the inner box is provided with a hole functioning as the vent and a filter for preventing foreign matter from entering through the hole. .   The battery storage box according to claim 3, wherein a support member for floatingly supporting the air battery is provided on a bottom plate of the inner box. Any of the heat insulating spaces located on the front, rear, left and right of the inner box are open at the bottom,
The battery storage box according to any one of claims 1 to 4, further comprising an opening through which air flowing in from the lower side flows into the inner box. In any one of the heat insulating spaces located on the front, rear, left and right of the inner box, a power supply unit that converts DC power output from the air battery into predetermined power and supplies the power to a load is housed.
The battery storage box according to claim 2, wherein a sealing packing is provided between the heat insulating space for storing the power supply unit and the lid.   The battery storage box according to any one of claims 1 to 6, wherein the battery storage box is formed of a plate having a hollow structure.   On the upper surface of the battery storage box, a hollow box body that can store a bottle filled with a liquid to be injected into the air battery and can suppress a temperature rise in the battery storage box due to direct sunlight is disposed. The battery storage box according to claim 1, wherein:

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