JPS587982Y2 - Storage battery simultaneous injection device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a simultaneous liquid injection device for a high-pressure collective storage battery, etc., which incorporates a plurality of single cells and is used as a set of storage batteries.

2 in the lateral - straight position at the top of the liquid outlet plug body of conventional single batteries.
The liquid injection tubes of the two adjacent cells are connected to each other by an appropriate method such as a connecting pipe, with the liquid injection tubes protruding from each other, and the liquid injection pipes are connected to each other by a suitable method such as a connecting pipe. A simultaneous injection device is used that simultaneously injects liquid from the liquid injection pipe of the stopper into all cell tanks up to a specified liquid level.

To explain this with reference to Fig. 1, 1 is a liquid spout body having liquid injection pipes 2 and 2' projecting laterally and in a straight line at both ends, and a liquid level regulating pipe 3 hanging from the lower end. Battery tank 4
A liquid injection hole 6 is provided near the center of the inner wall of the liquid level regulating tube 3, and an air exchange hole 7 is provided in the upper side wall.

Reference numeral 8 denotes displacement air rising inside the liquid port plug, and 9 and 9' connect pipes that connect the respective liquid injection pipes 2 and 2' that protrude from both ends of the liquid port plug body 1 of both adjacent cell tanks 4; 10 is an electrolytic solution.

For example, during the practical use of a voltage collecting storage battery having a simultaneous liquid injection device as described above, if the electrolyte 10 in the unit cell tank 4 decreases and falls below the specified liquid level, the connection made to one of the most extreme unit cells. Water is distributed through the pipe 9 along the route shown by the solid arrow A, and the liquid passes through the connecting pipe 9 and the liquid injection pipe 2 to the liquid spout body 1, and a portion flows down the liquid spout body 1 and is simply The liquid is injected into the battery tank 4, and the remaining liquid is further flowed through the liquid injection pipe 2' to the liquid port plug body 1 of the adjacent unit cell, and is sequentially injected.

However, if the water flowing down the liquid spout body 1 is injected into the cell tank 4 through the liquid injection hole 6, the air, gas, etc. that fills above the liquid level in the cell cell tank 4 will be pushed upward. The liquid then rises inside the liquid spout body 1 in an attempt to escape to the outside of the cell tank 4 through the air exchange hole 7, and attempts to escape through the liquid injection pipes 2, 2' provided in the liquid spout body 1. , since the liquid is flowing from one liquid injection pipe 2, it passes through the other liquid injection pipe 2' in the direction of the broken line arrow B, and attempts to proceed to the adjacent cell through the connecting pipe 9'. do.

For this reason, the connecting pipe 9' is filled with replacement air 8, and the liquid flowing in the direction of the solid arrow A is prevented from flowing, which has the drawback of preventing simultaneous injection of liquid into all cell tanks. Ta.

In view of the above points, this invention is a storage battery simultaneous injection device that connects the liquid spout plug body attached to the liquid injection port of the cell tank with a pipe and injects liquid into multiple cell tanks simultaneously to a specified liquid level position. A liquid level regulating pipe that also serves as a liquid injection hole is suspended from the lower end of the liquid spout body, an air exchange hole is provided on the upper side wall of the liquid level regulating pipe, and an air exchange hole is provided on the ceiling of the liquid spout body. Note: By discharging the replacement air in the battery cell tank with an exhaust hole made of a water-repellent filter made of microporous material,
It has a structure that allows liquid to advance.

An example of the present invention will be explained with reference to FIG. 2. Reference numeral 11 denotes a liquid spout body, 12 and 12' a liquid injection pipe that can be projected in a straight line laterally at both ends of the liquid spout body 11, and 13 a liquid spout. A liquid level regulating tube extends perpendicularly from the lower end of the plug body 11, and a liquid injection hole 14 is provided near the center of the inner wall of the tube.

Reference numeral 15 denotes a cell tank, and 16 a liquid injection port provided at the top of the cell cell tank 15, which is attached to the liquid spout body 11 by a suitable method such as a screw.

Reference numeral 17 indicates an air displacement hole provided on the peripheral wall near the upper part of the liquid level regulating tube 13, and reference numeral 18 indicates an air displacement hole that rises from the cell tank 15 and attempts to exit from the liquid port body 11 through the air displacement hole 17. , 19 and 19' are connection pipes connected to the liquid injection pipes 12 and 12', 20 is an electrolytic solution, and 21 is a microporous material fitted into the ceiling of the liquid spout body 11, and is repelled on both sides. This is a filter for displacing air that has been treated with water.

The present invention has a structure as described above, and the distributed liquid follows the path indicated by the solid line arrow A, and a part of the liquid is injected into the cell tank 15, and the rest is sent to the next cell tank. .

- The air in the old battery tank 15 is discharged to the outside of the single battery tank 15 along the path indicated by the broken line arrow C, and the liquid injection proceeds.

That is, the liquid flowing through the connecting pipe 19 and flowing into the liquid port body 11 further flows through the adjacent connecting pipe 1 along the path indicated by the solid arrow A.
A part of the liquid flows down the liquid port body 11 and is injected into the unit cell tank 15 through the liquid injection hole 14 provided in the liquid level regulating tube 13.

- Air, gas, etc. filling the old battery tank 15 are gradually pushed upward as the amount of liquid injected increases, and enter the liquid port body 11 through the air displacement hole 17 along the path shown by the broken line arrow C. However, since a filter 21 made of a microporous material is fitted in the ceiling of the liquid spout body 11 and serves as an exhaust hole, the replacement air 18 that has entered the liquid spout body 11 is removed. passes through the micropores of the filter 21 and is discharged into the outside air as shown by the broken line arrow C.

Since the microporous filter 21 is water-repellent treated on both sides, the liquid being fed will not seep out of the filter 21, and the water pressure will not decrease.

There is also no fear of leakage from the outside.

As mentioned above, according to the present invention, by providing an exhaust hole made of a water-repellent microporous filter on the ceiling of the liquid outlet plug body, the pressure of flowing water does not decrease, so the height of the liquid outlet plug body can be reduced. It is possible to simultaneously inject liquid at a constant level in multiple cell tanks without sacrificing the injection speed even if the height is lowered and the liquid is made smaller.Also, the filter is made of a microporous material with explosion-proof properties. This makes it possible to provide explosion-proof performance and simplify the maintenance of the storage battery.Furthermore, since the liquid level regulating pipe also serves as the liquid injection hole, it is possible to easily connect the liquid injection hole and the liquid injection hole within the opening area of the cell tank liquid injection port. Since the liquid injection hole can be made larger than in a case where the liquid level regulating tube is separate, the liquid injection speed can be increased, and the practical value is extremely great.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of a main part of a conventional simultaneous liquid injection device for an assembled storage battery, and FIG. 2 is a cross-sectional view of an important part showing an example of a combined storage battery equipped with a simultaneous liquid injection device according to the present invention. 11 is the liquid inlet plug body, 12.12' is the liquid injection pipe, 13 is the liquid level regulation tube, 14 is the liquid injection hole, 15 is the cell tank, 16 is the liquid injection port, 17 is the air exchange hole, 18 is the replacement Air, 19.19' is connecting pipe, 20 is electrolyte, 21 is filter

Claims (1)

[Scope of utility model registration request] In a storage battery simultaneous injection device for simultaneously injecting liquid into a plurality of cell tanks up to a specified liquid level position by connecting liquid spout bodies attached to the liquid injection ports of cell tanks with a pipe, the lower end of the liquid spout body A liquid level regulating pipe that also serves as a liquid injection hole is hung down from the top, an air displacement hole is provided on the upper side wall of the liquid level regulating pipe, and a water-repellent treatment made of a microporous material is provided on the ceiling of the liquid port body. A storage battery simultaneous injection device equipped with an exhaust hole made of a filter.