JP3454284B2 - Seawater battery - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seawater battery, and more particularly to a seawater battery using magnesium or magnesium alloy as a cathode and oxygen dissolved in seawater as an anodizing agent. .

[0002]

2. Description of the Related Art Seawater batteries that use magnesium or magnesium alloy as the cathode and oxygen dissolved in seawater as the anodic oxidizer can discharge for a long period of time, so they can be used for marine marker lights, buoy lights and fish catching fish. It is used as a power source for lights.

The conventional structure of such a seawater battery is shown in FIG.
As shown in FIG. 5, the anode insulator 81 provided on the lower surface of the peripheral edge of the disk-shaped upper frame 71 and the anode insulator 82 provided on the upper surface of the peripheral edge of the disk-shaped lower frame 72 are sandwiched in an annular shape. And the columnar cathode 2 held between the cathode insulator 91 provided in the central portion of the upper frame 71 and the cathode insulator 92 provided in the central portion of the lower frame 72. The anode 1 is made of nickel, copper, which has a relatively small ionization tendency,
A net made of a metal such as silver or an alloy mainly composed of these metals, or one or a plurality of expanded metals stacked, and the cathode 2 has a relatively large ionization tendency such as magnesium, aluminum, zinc, and lead. Or an alloy mainly composed of these metals, which is adapted to reduce the oxygen dissolved in seawater on the surface of the anode 1 to obtain an electromotive force. Reference numeral 10 is an anode lead wire electrically connected to the anode 1, and 11 is a cathode lead wire electrically connected to a cathode terminal 3 fitted in the cathode 2.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
Since the anode 1 is a net or expanded metal made of a metal such as nickel or an alloy mainly containing these metals, there is a problem that seagrass or the like adheres to the net and the discharge performance is deteriorated.

Further, the seawater battery described above has a problem that it is economically unfavorable because it takes time to remove the seaweed and the like adhering to it during the periodic inspection.

Further, in the above-mentioned seawater battery, since the anode 1 is a net made of a metal such as nickel or an alloy mainly composed of these metals, and one or more expanded metals are stacked, the cathode 2 is There is a problem that the anode 1 is easily deformed by an external force such as an ocean current as it is consumed.

[0007]

In order to solve the above problems, the present invention provides an anode insulator annularly provided on the upper surface of the peripheral edge of the lower frame and an anode insulator annularly provided on the lower surface of the peripheral edge of the upper frame. A plurality of anodes sandwiched in a ring between, and a columnar cathode held between a cathode insulator provided in the central portion of the lower frame and a cathode insulator provided in the central portion of the upper frame. Further, columns are provided between the four corners of the lower frame and the four corners of the upper frame, and the electromotive force is obtained by reducing oxygen dissolved in seawater on the surfaces of the plurality of anodes. It is characterized by.

Further, the present invention provides the seawater battery described above,
A synthetic resin is injected between the cathode insulator and the cathode provided in the central portion of the upper frame and the central portion of the lower frame.

The present invention also provides the above-mentioned seawater battery,
It is characterized in that a synthetic resin is injected between an anode current collector ring to which a plurality of anodes are connected and an anode insulator.

The present invention also provides the above-mentioned seawater battery,
The present invention is characterized in that an anode current collector ring is laid on an anode insulator provided annularly on the upper frame and the lower frame, and a plurality of anodes are connected to this.

The present invention also provides the above-mentioned seawater battery,
The anode insulator on which the anode current collector ring is laid is characterized in that a plurality of insulator units are connected in a ring shape, and a predetermined number of anodes are sandwiched between upper and lower opposing insulator units.

Further, the present invention provides the seawater battery described above,
The plurality of anodes are strip-shaped, and are characterized in that each anode is sandwiched in an annular shape so as to form an angle of 15 to 90 degrees with respect to the surface of the columnar cathode.

The present invention also provides the above-mentioned seawater battery,
The plurality of anodes are characterized in that they are strip-shaped and vertically bent at the center.

The present invention also provides the above-mentioned seawater battery,
The plurality of anodes are strip-shaped ones that are vertically bent at the central portion so as to form an angle of 15 to 90 degrees with respect to the surface of the columnar cathode.

[0015]

Therefore, according to the present invention, a plurality of anodes are sandwiched annularly between the anode insulator annularly provided on the upper surface of the peripheral edge of the lower frame and the anode insulator annularly provided on the lower surface of the peripheral edge of the upper frame. Along with that, since the pillars are provided between the four corners of the lower frame and the four corners of the upper frame, and because the plurality of anodes are in the shape of a strip bent vertically in the central portion, the cathode is consumed. However, the anode is less likely to be deformed by external force such as ocean current.

Further, according to the present invention, a plurality of anodes are annularly held between an anode insulator annularly provided on the upper surface of the peripheral edge of the lower frame and an anode insulator annularly provided on the lower surface of the peripheral edge of the upper frame. Therefore, it is possible to easily remove seaweed and the like that have adhered during the periodic inspection.

[0017]

EXAMPLES The present invention will be described below based on examples.

FIG. 1 is a longitudinal sectional view of a seawater battery of the present invention, FIG.
Is a perspective view of the seawater battery of the present invention, and parts having the same functions as in FIG.

In FIGS. 1 and 2, 1 is a strip-shaped anode made of a metal having a relatively small ionization tendency such as nickel, copper or silver or an alloy mainly containing these metals, and 2 is a relatively large ionization tendency. Magnesium, aluminum,
The anode 1 is a columnar cathode made of a metal such as zinc or lead or an alloy mainly containing these metals, and the anode 1 is a metallic upper frame 7
1 is sandwiched between a synthetic resin anode insulator 81 annularly provided on the lower surface of the peripheral edge and a synthetic resin anode insulator 82 annularly provided on the upper surface of the peripheral edge of a metal lower frame 72, and The cathode 2 is between a synthetic resin cathode insulator 91 provided in the central portion of the metallic upper frame 71 and a synthetic resin cathode insulator 92 provided in the central portion of the metallic lower frame 72. And the columns 12 are provided between the four corners of the upper frame 71 and the lower frame 72. In addition,
1 and 2, 7 is an upper frame 71 and a lower frame 72.
It is a seawater distribution port established in.

The anode insulator 81 has an anode collector ring 41.
However, an anode current collector ring 42 is laid on the anode insulator 82, the upper end of the strip-shaped anode 1 is attached to the anode current collector ring 41, and the lower end of the strip-shaped anode 1 is attached to the anode current collector ring 42. Are respectively connected and sandwiched, and the anode terminal 4 is inserted through a part of the anode insulators 81 and 82 so that the anode lead wire 10 can be connected to at least one of the anode current collector rings.

A cathode terminal 3 is fitted on at least one end surface of the cathode 2, and a cathode lead wire 11 is connected to the cathode terminal 3.

A synthetic resin 51 is placed between the anode current collector 41 to which the upper end of the anode 1 is connected and the anode insulator 81.
A synthetic resin 52 is injected between the anode current collector ring 42, to which the lower end of the anode 1 is connected, and the anode insulator 82.
It prevents the formation of local cells by the intrusion of seawater between 1, 42 and the anode 1 and the anode lead wire 10.

The upper end surface of the cathode 2 and the cathode insulator 91
And synthetic resin 62 between the lower end surface of the cathode 2 and the cathode insulator 92 so that seawater enters between the cathode terminal 3 and the cathode 2 and the cathode lead wire 11. This prevents the formation of local batteries.

In the above embodiment, the strip-shaped anode 1 is annularly formed so as to form an angle of 15 to 90 degrees with respect to a plane perpendicular to the surface of the columnar cathode 2, as shown in FIG. When sandwiched, the flow of seawater is improved, the surface area of the anode 1 facing the cathode 2 can be sufficiently secured, and the discharge current can be increased.

FIGS. 3 and 4 are perspective views of the essential parts of another embodiment of the seawater battery of the present invention. The embodiment of FIG. 1 except that the strip-shaped anode 1 is vertically bent at the central portion. Similar to that of Example 1, the strip-shaped anode 1 is less likely to be deformed by an external force even when the cathode 2 is consumed, and is suitable for longer use.

In the embodiment of FIG. 3 as well, the strip-shaped anode 1 has a width of 15 to 15 with respect to a plane perpendicular to the surface of the columnar cathode 2.
Needless to say, when sandwiched in an annular shape so as to form an angle of 90 degrees, the flow of seawater is improved, the surface area of the anode 1 facing the cathode 2 can be sufficiently secured, and the discharge current can be increased.

The embodiment of FIG. 4 is the same as that of the embodiment of FIG. 3 except that the strip-shaped anode 1 is bent in the longitudinal direction into an arc shape.

FIG. 5 is a cross-sectional view of another embodiment of the seawater battery of the present invention, and FIG. 6 is a perspective view of the essential portion thereof.
A plurality of anode insulators 8 are connected in a ring shape by the anode insulators 81 and 82 in which 2 is laid, and a plurality of anodes are sandwiched between the upper and lower opposing insulator units, which facilitates battery assembly and disassembly. Become.

Also in the embodiment shown in FIGS. 5 and 6, the strip-shaped anode 1 sandwiched between the respective insulator units 8 has an angle of 15 to 90 degrees with respect to the plane perpendicular to the surface of the columnar cathode 2. The angle makes the seawater flow better and the cathode 2
Sufficient surface area of the anode 1 facing the
It goes without saying that the discharge current can be increased.

[0030]

As described above, according to the present invention, the discharge current of a seawater battery using oxygen dissolved in seawater as an anodizing agent can be increased, and the discharge current is provided annularly on the upper surface of the peripheral edge of the lower frame. A plurality of anodes are sandwiched between the anode insulator and the anode insulator annularly provided on the lower surface of the peripheral edge of the upper frame, and pillars are provided between the four corners of the lower frame and the four corners of the upper frame. Therefore, even if the cathode is consumed, the anode is less likely to be deformed by an external force such as ocean current, and a seawater battery suitable for long-term use can be obtained.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of a seawater battery of the present invention.

FIG. 2 is a perspective view of the seawater battery.

FIG. 3 is a perspective view of a main part of another embodiment of the seawater battery of the present invention.

FIG. 4 is a perspective view of an essential part of another embodiment of the seawater battery of the present invention.

FIG. 5 is a cross-sectional view of another embodiment of the seawater battery of the present invention.

FIG. 6 is a perspective view of a main part of the seawater battery of FIG.

FIG. 7 is a cross-sectional view of a conventional seawater battery.

[Explanation of symbols]

1 anode 2 cathode 3 cathode terminal 4 Anode terminal 41,42 Anode collector ring 51,52 Synthetic resin 61,62 Synthetic resin 7 Seawater distribution port 71 Upper frame part 72 Lower frame 8 Anode insulator unit 81,82 Anode insulator 91,92 Cathode insulator 10 Anode lead wire 11 Cathode lead wire 12 props

Claims (8)

(57) [Claims] 1. A plurality of anodes sandwiched annularly between an anode insulator annularly provided on the upper peripheral surface of a lower frame and an anode insulator annularly provided on the lower peripheral surface of an upper frame, and the lower frame. Consisting of a columnar cathode held between the cathode insulator provided in the central part of the and the cathode insulator provided in the central part of the upper frame, and between the four corners of the lower frame and the four corners of the upper frame. The seawater battery is characterized in that a pillar is provided on the surface of the plurality of anodes, and oxygen dissolved in seawater is reduced on the surfaces of the plurality of anodes to obtain an electromotive force. 2. The seawater battery according to claim 1, wherein a synthetic resin is injected between a cathode insulator and a cathode provided in the central portion of the upper frame and the central portion of the lower frame. . 3. The seawater battery according to claim 1, wherein a synthetic resin is injected between an anode current collector ring connecting a plurality of anodes and an anode insulator. 4. The seawater battery according to claim 1, wherein
A seawater battery characterized in that an anode current collector ring is laid on an anode insulator annularly provided on an upper frame and a lower frame, and a plurality of anodes are connected to this. 5. The seawater battery according to claim 4, wherein the anode insulator on which the anode current collector ring is laid comprises a plurality of anode insulator units connected in an annular shape, and the anode insulator units are disposed between upper and lower opposing anode insulator units. A seawater battery characterized by holding several positive electrodes. 6. The seawater battery according to claim 1, wherein
The seawater battery is characterized in that the plurality of anodes are strip-shaped, and each of the anodes is sandwiched annularly so as to form an angle of 15 to 90 degrees with respect to a plane perpendicular to the surface of the columnar cathode. 7. The seawater battery according to claim 1, wherein
The seawater battery is characterized in that the plurality of anodes are strip-shaped and vertically bent in the central portion. 8. The seawater battery according to claim 7, wherein the plurality of anodes are 15 to 9 with respect to a plane perpendicular to the surface of the columnar cathode.
A seawater battery characterized in that it has a strip-like shape that is vertically bent in the central portion so as to form an angle of 0 degree.