CN2169209Y

CN2169209Y - Valve controlling assembled accumulator

Info

Publication number: CN2169209Y
Application number: CN93243388U
Authority: CN
Inventors: 韩丰锡
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-03
Filing date: 1993-11-03
Publication date: 1994-06-15
Anticipated expiration: 2003-11-03

Abstract

The utility model relates to a novel lead-acid accumulator, which breaks through the structure of the traditional accumulator. The utility model is molded in injection to integration after connecting electrolytic cells in series, the internal loss of the accumulator is reduced, and the shock resistance and the charge rate are raised. The utility model has the advantages of small size and long service life, and especially in an accident, the utility model can sustain to discharge when a unit cell is damaged.

Description

Valve controlling assembled accumulator

The utility model relates to a kind of valve-controlled type maintenance-free storage battery, exactly is the lead acid accumulator that a kind of novel arbitrarily parallel connection increases and decreases the element cell number.

Existing lead acid accumulator mostly adopts the tank structure, is negative pole with the lead sponge, is anodal with the brown lead oxide, makes electrolyte with dilute sulfuric acid, adds Plastic securing panel between positive pole and negative pole, and bus-bar in positive and negative pole plate welded corner joint is drawn electric current then.As required, an industrial storage battery can be in series by the external conductor of above-mentioned plurality of units storage battery.

This battery applications is very general, but has following shortcoming: owing to adopt the bus-bar projected current, external wire linkage unit battery makes accumulator internal resistance bigger (1), and therefore, the loss of voltage is more, and the storage battery starting performance is relatively poor.(2) bus-bar on the grid all welds, and easily snaps under the vibrations condition and causes accumulator failure, and (3) are damaged so work as one of them secondary battery unit owing to connect between secondary battery unit, and whole storage battery all can't use.In addition, this storage battery also has energy density little, and heaviness needs shortcomings such as often maintenance.

The purpose of this utility model is to overcome above-mentioned shortcoming and defect, provide that a kind of novel structure, volume are little, in light weight, dependable performance, anti-vibration, internal resistance be very little, the novel storage battery of no-voltage loss almost, it can also be according to the current capacity requirement, the number of arbitrary combination element cell.

For achieving the above object, the utility model by several independently element cell form, each element cell comprises valve opening, valve gap, air chamber, the insulation crust of electrolytic cell and coating electrolytic cell, the electrolytic cell of said units battery is by two corresponding grids, be arranged at the interlayer between grid and be arranged at the grid outside and have adsorbing two dividing plates according to dividing plate, grid, interlayer, grid, the sequential cascade of dividing plate is clamped in one, be connected in series between adjacent cell, its outside airtight coating one deck plays the shell of insulating effect, only has two lead-out terminals that link to each other with grid to be exposed to outside the shell.

Corresponding two grids are made up of three grid cell blocks at least in the above-mentioned valve-controlled type maintenance-free storage battery, the grid cell block adopts network, wherein the two boards grid cell block of a slice all connects as one at each mesh node place, and another sheet corresponding with it is made up of an independent grid cell block.

Be equipped with air chamber in each element cell of above-mentioned valve-controlled type maintenance-free storage battery, air chamber communicates with the electrolytic cell of this element cell, and the air chamber top has valve opening, is stamped valve gap on the valve opening, has aperture between the adjacent air chamber and communicates.

In the above-mentioned valve-controlled type maintenance-free storage battery, the number of element cell can increase according to the needs of battery capacity are in parallel.

Owing to adopt grid grid structure, connect as one at each mesh node place as the two boards grid cell block of a utmost point, omitted the series conductor between bus-bar and element cell, reduced internal resistance and pressure drop greatly, improved the starting performance of storage battery; Simultaneously, the inner no solder joint of the utility model, thus improved anti-seismic performance.In addition, the utility model can be formed in parallel by some element cells according to the battery capacity needs, when a certain element cell breaks down, does not also influence whole storage battery and normally uses, and this is the great advantage of the utility model on using.In addition, the utility model is compared under with the volume situation with traditional storage battery; Energy density, useful life and charge acceptance all are higher than the common lead acid accumulator; And the plumbous amount of consumption, grid conduction stroke all is lower than the common lead acid accumulator.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a unit cell structure schematic diagram in the utility model.

Fig. 2 is the A place partial enlarged drawing of element cell among Fig. 1.

Fig. 3 is the B place partial enlarged drawing of element cell among Fig. 1.

Fig. 4 is overall structure figure of the present utility model.

Wherein, valve opening 1, valve gap 2, air chamber 3, shell 4, lead-out terminal 5,5 ', grid cell block 6A, 6B, 6C, 6D, interlayer 7, dividing plate 8,8 ', active material 9, aperture 10, the frame 11 that connects as one with shell.

Element cell as shown in Figure 1 is made up of six grid cell blocks, and its voltage is 6 volts, for sake of clarity is taken element cell apart, and with frame 11 imagination disconnections.Wherein, frame 11 on the grid is to use the ambroin single injection-molded with shell 4, only have two lead-out terminals 5 and 5 ' exposed to be provided with an interlayer 7 between the grid outside, two outsides of grid respectively be provided with two dividing plates 8 and 8 ', grid adopts the metal grill structure, active material 9 is filled among the grid of grid, and by interlayer 7, dividing plate 8 and 8 ' clamping, after injection mo(u)lding, difficult drop-off.Air chamber 3 is arranged on electrolytic cell top separately, and 3 of each air chambers all are useful on the aperture 10 of equalizing pressure, and the top of air chamber 3 has valve opening 1, is stamped valve gap 2 on the valve opening 1.Open valve gap 2, electrolyte is injected air chamber 3 by valve opening 1, electrolyte moistens into interlayer 7, forms electrolytic cell, and unnecessary electrolyte can see through grid and active material 9 by dividing plate 8 and 8 ' absorption.When immersing enough electrolyte in the interlayer 7, begin to produce electrochemical reaction, in conjunction with Fig. 2, grid cell block 6A and 6D disconnect, positive charge can only arrive grid unit 6B through interlayer 7 from grid cell block 6A, in conjunction with Fig. 3 since 6B and 6C connect as one, positive charge arrives 6D from 6C through interlayer again, next piece grid cell block of grid cell block 6D and homonymy connects as one again, the just so tortuous circulation of positive charge, final by lead-out terminal 5 with electric current output, in discharge process, electric current is again through lead-out terminal 5 ' return element cell inside.With every 100AH is example, and present embodiment is compared with general lead acid accumulator, and the loss of voltage reduces 7%, the plumbous amount of consumption is saved 2.1kg, 0.34 times of volume-diminished, and the life-span is improved 2 times, anti-seismic performance improves 2.7 times, and charge rate obviously improves, and obviously improves starting performance when being applied to automobile.In addition, the element cell in the utility model adopts and is connected in parallel, and in chance failure, after an element cell broke down inefficacy, other element cells worked on, and whole storage battery is that capacity slightly descends, and still can continue to use.This point is that conventional accumulators is incomparable.Can predict, operation of the present utility model will the accumulators user bring great convenience.

Claims

1, a kind of valve-controlled type maintenance-free storage battery, by several independently element cell form, each element cell comprises valve opening, valve gap, the insulation crust of electrolytic cell and coating electrolytic cell, each electrolytic cell that it is characterized in that the said units battery is all by two corresponding grids, be arranged at the interlayer between grid, with be arranged at the grid outside and have adsorbing two dividing plates according to dividing plate, grid, interlayer, grid, the sequential cascade of dividing plate is clamped in one, be connected in series between adjacent electrolytic cell, its outside airtight coating one deck plays the shell of insulating effect, has only two lead-out terminals that link to each other with grid to be exposed to outside the shell.

2, valve-controlled type maintenance-free storage battery according to claim 1, it is characterized in that corresponding two grids are made up of three grid cell blocks at least, the grid cell block adopts network, wherein the two grid cell blocks of a slice all connect as one at each mesh node place, and another sheet corresponding with it is made up of an independent grid cell block.

3, valve-controlled type maintenance-free storage battery according to claim 1, it is characterized in that being equipped with air chamber in each element cell, air chamber communicates with the electrolytic cell of this element cell, and the air chamber top has valve opening, be stamped valve gap on the valve opening, have aperture to communicate between the adjacent air chamber.

4, valve-controlled type maintenance-free storage battery according to claim 1, the storage battery in it is characterized in that using can require the number of increase and decrease element cell in parallel according to battery capacity.