JPS6326935Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an air battery device in which, for example, a plurality of air-zinc cells are housed in a battery storage case, and air is supplied through air holes drilled in the side of the case. The purpose of this invention is to improve battery performance by increasing the conversion efficiency of the introduction and discharge of air, and to prevent damage to the battery due to foreign matter, such as rod-shaped objects, entering through the air holes.

Hereinafter, one embodiment of the present invention will be described based on the drawings. In FIGS. 1 and 2, 1 is a battery storage case whose top opening is closed with a case lid 2;
A plurality of air-zinc cells 3 are housed. The air-zinc cell 3 consists of a battery case 5 having an air electrode 4 disposed on its side surface and a battery case lid 7 having a vertically disposed zinc electrode 6 inserted into the battery case.

A vertically elongated air hole 1' is bored in the side surface of the battery storage case 1, and a frame 8 whose upper and lower surfaces are open to the outside of the case 1 is provided to cover the air hole 1'. The air hole surface and the frame form a cylindrical part. Further, inside the cylindrical part, a vertically elongated air hole and a partition wall 9 that partitions the internal space of the cylindrical part into upper and lower stages are formed.

Now, conventional devices of this type do not have a frame as shown in FIGS. 3 and 4.
According to this conventional device, air is introduced and discharged simultaneously over the entire surface of the air hole as shown by the arrows in Figure 4, which results in poor air conversion efficiency within the case and allows foreign matter to easily enter through the air hole, which can damage the battery. There was a concern that it would be damaged.

On the other hand, according to the device of the present invention, the frame body 8 whose upper and lower surfaces are open is disposed so as to cover the air hole 1'. The temperature rises in the case due to the exothermic reaction caused by discharge, and the air is discharged from the upper opening of the frame, resulting in good air conversion efficiency and improved battery performance. Furthermore, the presence of the partition wall 9 has the effect of preventing a portion of the air introduced from the lower opening of the frame 8 from entering the case 1 and being directly discharged from the upper opening.

Further, since the air hole 1' is covered with the frame 8, foreign matter can be prevented from entering through the air hole 1', and the battery inside the case can be protected.

As mentioned above, the air battery device according to the present invention has various practical effects.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the device of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a perspective view of the conventional device, and Fig. 4 is a sectional view taken along line B-B in Fig. 3. show. 1...Battery storage case, 1'...Air hole, 2...
...Case lid, 3 ...Air-zinc cell, 8...Frame, 9...Partition wall.

Claims (1)

[Scope of utility model registration request] A vertically elongated air hole 1' is formed in the side surface of a battery storage case 1 in which an air battery 3 is housed, and a frame 8 whose upper and lower surfaces are open is arranged on the outside of the case 1 so as to cover the air hole 1'. a cylindrical part is formed by the air hole surface and the frame, and inside the cylindrical part,
An air battery device comprising a partition wall 9 that divides the longitudinally elongated air hole and the inner space of the cylindrical portion into upper and lower stages.