JPH07296808A - Method and device for jar formation of lead-acid battery - Google Patents

Abstract

PURPOSE:To provide a method and a device for jar formation, whereby time management need not be carried out from the start to the finish of formation and the distance that an operator must travel from the start to the finish of formation can be shortened. CONSTITUTION:Groups of batteries 23 are put on units 14 which make circular motion at a fixed position, and as the units 14 are moved, jar formation is carried out and the groups of batteries 23 are removed from the unit 14 at the fixed position after the formation. The device stated in the title comprises a circular collecting rail 12, circular truck rails 13 and the units 14, each of the units 14 comprises a charger 17 and an electrolyte circulating device 18 both placed on a truck 16, and the truck 16 moves a predetermined distance on the truck rail 13 in a predetermined time. Since the jar formation is carried out as the unit 14 moves from and to the fixed position, the need for time management is eliminated. Each group of batteries 23 is put on the truck 16 at the fixed position and is removed from the truck 16 at the fixed position, so an operator need not move for every group of batteries 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery case formation of a lead storage battery, and more particularly to a method and apparatus for continuously performing a reflux type battery case formation.

[0002]

2. Description of the Related Art In a battery case formation in which a group of electrodes composed of a negative electrode plate and a positive electrode plate laminated via a separator are housed in a battery case for formation, dilute sulfuric acid is poured before forming the battery case. There are a usual method of performing a long-time chemical formation with a small current, and a so-called electrolytic solution recirculation type battery cell chemical formation method in which an electrolytic solution is circulated in a cell for a short time chemical formation with a large current. The latter method is often used in large-capacity lead-acid batteries having a free electrolyte because of their excellent productivity.

An electrolytic solution circulating apparatus as shown in FIG. 5 has been used for this electrolytic solution reflux type battery case formation. That is,
In FIG. 5, 1 is a battery group including a plurality of unformed batteries, 2 is a head tank that supplies the electrolytic solution 8 to the battery group 1, 3 is a recovery tank that recovers the electrolytic solution 8 from the battery group 1,
4 is a circulation pump for delivering the electrolytic solution 8 in the recovery tank 3 to the electrolytic solution tank 5 with a cooling device 9, and 7 is an overflow pipe for always keeping the height of the electrolytic solution surface of the head tank 2 constant, The electrolytic solution 8 overflowing from the pipe 7 falls into the recovery tank 3. Then, from the head tank 2 to the battery group 1, from the battery group 1 to the recovery tank 3
The electrolytic solution 8 is circulated from the recovery tank 3 to the electrolytic solution tank 5 via the recovery pump, and from the electrolytic solution tank 5 to the head tank 2 via the circulation pump 6, respectively.

In order to continuously form a large number of battery groups 1 in a battery case using such a device, a plurality of the above devices were provided on a shelf 11 as shown in FIG. Each battery group 1 was formed into a battery case. Such a method can form a battery case with a battery group 1 composed of batteries having different capacities, and can also form a battery case in units of the battery group 1 for each order.
It had the advantage that it is not necessary to store the batteries after formation as an inventory.

[0005]

However, when a plurality of battery groups 1 are installed at predetermined positions as described above and the battery case formation is performed, the battery case formation for each battery group 1 for each No. is started to ended. However, there is a problem in that the battery group 1 has to be taken in and out by a forklift or the like at each No position.

The present invention has been made in view of the above problems, and an object thereof is a method for forming a lead-acid battery battery case in which time management is not required and a battery group can be taken in and out at one place. And to provide the device.

[0007]

In order to achieve the above object, the method of the present invention is to place a battery group 23 on a battery case formation unit 14 at a fixed position, and the unit 14 makes an annular motion. The battery group 23 is formed while moving the unit 14, and the battery group 23 is lowered from the unit 14 at a fixed position after the formation is completed. Further, one of the devices of the present invention is a battery case formation device for a lead storage battery having an annular rail 12, an annular truck rail 13, and a plurality of battery case formation units 14, wherein the unit 14 is A trolley 16, a charging device 17, and an electrolytic solution circulating device 18 are provided. The charging device 17 is placed on the dolly 16 and is supplied with an alternating current from the current collecting rail 12, The electrolytic solution circulating device 18 is connected to the battery group 23, is placed on the cart 16, and circulates the electrolytic solution 29 through the battery group 23. The cart 16 is the cart. It is characterized in that it moves on the rail 13 for a fixed distance within a fixed time. Further, one of the devices of the present invention is a lead-acid battery cell formation device having an annular current collection rail 12, an annular truck rail 13, a plurality of cell formation units 14, and an electrolytic solution circulation device 18. The unit 14 includes a carriage 16, a charging device 17, an electrolytic solution supply pipe 35, and an electrolytic solution recovery pipe 36, and the electrolytic solution circulating device 18 includes an annular gutter 38. , A ring-shaped electrolytic solution recovery groove 37, and the carriage 16 is the carriage rail 1
3 is a fixed distance within a fixed time, the charging device 17 is attached to the dolly 16, is supplied with a direct current from the current collecting rail 12, and is connected to the battery group 23. The electrolytic solution supply pipe 35
Is for supplying the electrolytic solution 29 of the gutter 38 to the battery group 23, and the electrolytic solution recovery pipe 36 overflows the electrolytic solution 29 of the battery group 23 to the recovery groove 37. It is a thing.

[0008]

According to the first aspect, the battery group can be loaded and unloaded at a fixed position, and the battery case can be formed between the loaded position and the unloading position, so that it is not necessary to manage the time. In particular, if the formation is set to be completed while the unit 14 makes one rotation, the stacking position and the unloading position are the same, and the movement distance of the operator can be shortened. Further, according to claim 2, the battery case formation can be performed while the unit 14 is moving on the carriage rail 13, and if the battery group 23 is always mounted on the unit 14 from one place and the formation is started. , The end of formation is always one place, and the battery group 23
You should take out. Therefore, it is not necessary to manage the time from the formation start to the end for each unit 14,
The loading / unloading place of the battery group 23 to / from the unit 14 is also a fixed place, and the moving distance of the forklift or the like can be greatly shortened. According to the third aspect, in addition to the function of the second aspect, since the carriage 16 is not provided with the charging device 17 or the electrolytic solution circulating device 18 of the second aspect, the configuration of the battery case formation unit 14 can be simplified and the device can be constructed. It can be manufactured at low cost.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 is a schematic plan view showing an embodiment of the present invention, FIG. 2 is a schematic view showing the battery case forming unit of FIG. 1, 12 is an annular rail, and 13 is an annular truck rail. Two
Have rows. Reference numeral 14 is a battery case formation unit, which is the truck rail 1
A large number are arranged on top of 3. Reference numeral 15 denotes a current collecting terminal of the unit 14, which is a pantograph, is in contact with the current collecting rail 12, and an alternating current is supplied from the current collecting rail 12. As shown in FIG. 2, the battery case formation unit 14 includes a carriage 16, a charging device 17, and an electrolytic solution circulating device 1.
The carriage 16 is provided with wheels 19 at the bottom and traction devices 20 at the sides. Further, the charging device 17 has the current collecting terminal 15, the rectifier 21 and the charging terminal 22, supplies a three-phase alternating current from the current collecting terminal 15 to the rectifier 21, converts it into a direct current by the rectifier 21, and charges the charging terminal 22. The battery group 23 on the carriage 16 is charged through the battery.

The electrolyte circulation device 18 has a head tank 24, a recovery tank 25, and a circulation pump 26. A common cooling device 27 is attached to each of the head tank 24 and the recovery tank 25. Is equipped with an overflow pipe 28 for keeping the electrolytic solution surface constant, and the overflowed electrolytic solution 29 is collected in the recovery tank 25.
It is designed to overflow and fall. A pipe 30 for supplying the electrolytic solution 29 to the battery group 23 is provided below the head tank 24, and a distributor 31 for distributing the electrolytic solution to each battery is attached to the middle of the pipe 30. Also,
A pipe 32 for collecting the electrolytic solution of the battery group 23 is also provided in the recovery tank 25, and a collector 33 for collecting the electrolytic solution of each battery is attached to the middle of the pipe 32. further,
A pipe 34 from the recovery tank 25 to the head tank 24
A circulation pump 26 is attached in the middle of the pipe 34, and the electrolytic solution 29 in the recovery tank 25 is returned to the head tank 24 by the pump 26.

Next, a method of forming a lead-acid battery in a battery case by using the apparatus of the present invention having the above-described structure will be described. A battery group 23 in which a plurality of batteries made of unformed electrode plates are arranged is placed on a carriage 16 of the battery case formation unit 14, and a tip of a tube 30 from the head tank 24 is attached to a liquid injection port of the battery group 23. Then, the circulation pump 26 is activated to recirculate the electrolytic solution 29. Then, it is confirmed that the electrolyte 29 flows at a specified flow rate in each battery. Next, the collector terminal 15 is connected to the collector rail 12
To the rectifier 21 to supply an alternating current to the rectifier 2
The DC current converted in 1 is supplied to the battery group 2 through the charging terminal 22.
Supply to 3. At about the same time, the battery case formation unit 14 is moved to rotate on the carriage rail 13. In this way, the units 14 on the truck rail 13 are activated one after another, and the battery case formation is set to be completed after one rotation. Then, the battery group 23 after the formation is completed at the same place
Can be unloaded from the unit 14, and the next battery group 23 can be placed on the carriage 16 of the unit 14 and activated.

(Embodiment 2) FIG. 3 is a schematic plan view showing another embodiment of the present invention, and FIG. 4 is a schematic view showing the truck rail, the battery case forming unit and the electrolytic solution circulating device of FIG. 1 and the same code | symbol as FIG. 2 show the same name. As shown in FIG. 3, the rectifier 21 is not mounted on the battery case formation unit 14 of the present embodiment, and the rectifier 21 is arranged inside the current collecting rail 12 and is connected to this rail 12 to form the battery case formation. Unit 14
DC current is being supplied to. In addition, battery case formation unit 1
4 has a carriage 16, a charging device 17, an electrolyte supply pipe 35, and an electrolyte recovery pipe 36 as shown in FIG. 4, and the carriage 16 has wheels 19 at its lower portion and a traction device 20 at its side portion. . The supply pipe 35 and the recovery pipe 36 are placed on the dolly 16 and receive a direct current from the collector rail 12 to receive the battery group 2
A charging device 17 for supplying the battery 3 is also attached. This device 17 comprises a current collecting terminal 15 and a charging terminal 22. The supply pipe 35 is an inverted U-shaped siphon pipe 30 '.
And a distributor 31 and a pipe 30 for sending an electrolytic solution from the distributor 31 to each battery. The recovery pipe 36 is a pipe 32 for recovering the electrolytic solution from each battery and a collector for collecting the electrolytic solution. 33, and a pipe 32 'for sending the electrolytic solution of the collector 33 to an annular recovery groove 37 provided on the floor between the truck rails 13. The electrolytic solution overflowing into the recovery groove 37 is sent to the recovery tank 25 through the pipe 32 ″.
The cooling device 27 is attached, and the electrolytic solution 29 in the upper head tank 29 is circulated by the circulation pump 26.
An overflow pipe 28 is provided in the head tank 24, and when the electrolytic solution surface exceeds a certain height, it overflows and falls into the lower recovery tank 25 through this pipe 28. The electrolytic solution 29 in the head tank 24 is poured into an annular gutter 38, and the electrolytic solution in the gutter 38 is also dropped into the lower recovery tank 25 through an overflow pipe 28 'so that the amount of the electrolytic solution is constant. Further, the upper end of the inverted U-shaped tube 30 'is inserted into the gutter 38, and the electrolytic solution is supplied to the distributor 31 below by the effect of a siphon. The upper end of the tube 30 'is freely movable in the gutter 38. The electrolytic solution circulating device 18 in this embodiment is a device from the recovery groove 37 to the gutter 38. The method for forming a battery case using this apparatus is substantially the same as in Example 1.

As described above, in this embodiment, since the rectifier 21 and the electrolytic solution circulating device are not mounted on the battery case formation unit 14, the manufacturing cost of the unit 14 can be reduced.

[0014]

Since the present invention is configured as described above, it has the following effects. (1) According to claims 1 and 2, it is not necessary to manage the time from the start to the end of chemical formation, and the movement distance of the worker can be shortened. (2) According to claim 3, in addition to the effect of claim 2, the device can be manufactured at low cost.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing an embodiment of the present invention.

FIG. 2 is a schematic view of the battery case formation unit of FIG.

FIG. 3 is a schematic plan view showing another embodiment of the present invention.

FIG. 4 is a detailed schematic diagram of the embodiment of FIG.

FIG. 5 is a schematic view showing a conventional battery case chemical circulation device.

FIG. 6 is a schematic view showing a conventional method for forming a battery case.

[Explanation of symbols]

 12 Current collecting rail 13 Truck rail 14 Battery case formation unit 16 Truck 17 Charging device 18 Electrolyte circulation device 23 Battery group 29 Electrolyte 37 Recovery groove 38 Gutter

Claims (3)

[Claims] 1. A battery group (23) is placed in a fixed position on a battery case formation unit (14), and the unit (14) moves circularly. Then, the battery unit is moved while moving the unit (14). A method of forming a lead-acid battery in a battery case, which comprises forming the battery, and lowering the battery group (23) from the unit (14) at a fixed position after the formation is completed. 2. An annular current collecting rail (12), an annular trolley rail (13), and a plurality of battery case formation units (14).
A battery case formation device for a lead storage battery comprising: a unit (14) including a carriage (16), a charging device (17), and an electrolytic solution circulating device (18); The device (17) is placed on the dolly (16), is supplied with an alternating current from the current collecting rail (12), and is connected to the battery group (23). The device (18) is placed on the trolley (16) and circulates the electrolytic solution (29) in the battery group (23), and the trolley (16) is mounted on the trolley rail (13). A battery case formation device for lead-acid batteries, which is characterized by moving above a certain distance within a certain time. 3. An annular collector rail (12), an annular truck rail (13), and a plurality of battery case formation units (14).
And a electrolytic solution circulation device (18), which is a battery case formation device for a lead storage battery, wherein the unit (14) includes a carriage (16), a charging device (17), and an electrolytic solution supply pipe (35). And an electrolytic solution recovery pipe (36), the electrolytic solution circulating device (18) includes an annular gutter (38),
An annular electrolyte recovery groove (37) is provided, and the carriage (16) moves on the carriage rail (13) for a certain distance within a certain time, and the charging device (17). Is attached to the carriage (16), is supplied with a direct current from the current collecting rail (12), and is connected to the battery group (23), and the electrolytic solution supply pipe (35) is The electrolyte solution (29) of the gutter (38) is supplied to the battery group (23), and the electrolyte solution recovery pipe (36) collects the electrolyte solution (29) of the battery group (23) in the recovery groove. (37) A battery case formation device for a lead storage battery, characterized in that it overflows.