CN204792943U - Large capacity ni -mh power battery - Google Patents

Abstract

The utility model discloses a large capacity ni -mh power battery, its safe and reliable, preparation simple process. The utility model discloses in, the box hat is cylindric structure, block and box hat looks adaptation, and the block is equipped with seam form groove with the joint portion of box hat, the electricity core includes anodal post, insulating diaphragm and negative pole ring, electrically conductive skeleton of mass flow and anodal ear are buried underground to the centre of anodal post, PVC face pad has been placed to electricity core top, and has placed and has inhaled the aral sea silk floss PVC face side of stacking up, electricity core below sets up the connecting plate, the below both ends of connecting plate are provided with the strengthening rib, be provided with the silk screen between the strengthening rib, the silk screen top is connected with the connecting plate contact, the silk screen below links to each other with the negative plate, the block contains whole can personally experiencing sth. Part of the body with the cap that the box hat is sealed, cap body below is provided with and covers box hat top open -ended stairstepping groove face, and the centre of this groove face is provided with an explosion proof hole, the centre of the cap body be provided with the evagination cylinder.

Description

A kind of Large Copacity Ni-MH power cell

Technical field

The utility model relates to a kind of Ni-MH power cell, particularly relates to a kind of Large Copacity Ni-MH power cell.

Background technology

The high-capacity nickel-hydrogen battery of traditional structure has all adopted bleeder port safety valve to block a shot, and its block is provided with explosionproof hole, and when internal pressure is excessive, explosionproof hole can open pressure release automatically, to prevent the phenomenon of blast.But the design of its explosionproof hole of this block is unreasonable, and usually can there is certain potential safety hazard, coefficient of safety is also lower; Meanwhile, existing Ni-H cell adopts pole piece coiling formula technique mostly, and its process route is long, and processing technology is complicated, and cost is high, lack of homogeneity.

Utility model content

Technical problem to be solved in the utility model is that, for above-mentioned deficiency of the prior art, provide a kind of Large Copacity Ni-MH power cell, it is safe and reliable, and manufacture craft is simple, and cost is low; Electrical efficiency is high.

The utility model solves the technical scheme that its technical problem adopts: a kind of Large Copacity Ni-MH power cell, comprise box hat and be arranged on the block above box hat, box hat inside is placed with battery core, alkaline electrolyte is marked with in cavity in described box hat, it is characterized in that: described box hat is cylinder-like structure, block is suitable with box hat, and block is provided with gap-like groove with the joint portion of box hat; Described battery core comprises positive terminal, insulation diaphragm and negative pole ring, and negative pole ring set is located at positive terminal outer surface, between positive terminal and negative pole ring, place insulation diaphragm; The centre of described positive terminal buries afflux conducting matrix grain and anode ear underground, and afflux conducting matrix grain and anode ear are connected as a single entity, and anode ear runs through setting along the longitudinal direction of positive terminal, and the upper surface that positive terminal is exposed in the upper end of anode ear is connected with block; Above described battery core, be placed with PVC face pad, pad top in PVC face is placed with inhales Aral Sea cotton;

Below described battery core, connecting plate is set, the two ends, below of described connecting plate are provided with reinforcement, silk screen is provided with between described reinforcement, insulating material is provided with between negative plate bottom described reinforcement and box hat, contact with connecting plate above described silk screen and connect, be connected with negative plate below described silk screen, described silk screen is that electric conducting material makes;

Described block comprises the cap body that an entirety can seal with box hat, is provided with the stairstepping groove face that can cover box hat upper opening below described cap body, and the centre of this groove face is provided with an explosionproof hole; The centre of described cap body is provided with outer convex column; Described cap body place alternate with outer convex column is provided with three bleeder ports, and these three bleeder ports distribute in the form of a ring, and angle of being separated by between two bleeder ports is 120 °.

As a kind of preferred implementation of the present utility model, described negative pole ring uses hydrogen-bearing alloy powder and combined conductive agent to make, and adopts the combining structure of six pieces three layers; Described positive terminal uses nickel hydroxide and cobalt hydroxide to be mixed.

A kind of Large Copacity Ni-MH power cell described in the utility model, it has the following advantages:

1, structure is simple on the whole for block of the present utility model, and easy to use, reliable, security performance is high, and cost of manufacture is low;

2, core strueture of the present utility model is different from the form of traditional coiling and molding, and it adopts the version of positive terminal and suit negative pole ring, and integrated artistic route is short, processing technology simple, and cost is low, and uniformity is good, capacity is high, high safety.；

3, the utility model is provided with connecting plate bottom battery core, silk screen, reinforcement and negative plate, and reinforcement is compressed, and battery core can receive the downward pressure that silk screen produces, thus the electrical contact of negative pole and bottom is made moderate progress, and then improves the conductivity of negative pole.

4, the utility model box hat is cylindric, can be convenient to assembling, also can realize high power capacity with maximum volume simultaneously, and block becomes gap-like groove with box hat pier swaging, avoids traditional roller groove structure, promotes battery capacity further.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the structural representation overlooking direction of a kind of embodiment of the utility model block.

Description of reference numerals:

1-positive terminal, 2-blocks a shot, and it is continuous that 3-inhales Aral Sea, 4-PVC face pad, 5-box hat, 6-anode ear, 7-afflux conducting matrix grain, 8-insulation diaphragm, 9-connecting plate, 10-negative pole ring, 11-negative plate, 12-silk screen, 13-reinforcement; 21-cap body, 22-groove face, 23-explosionproof hole, the outer convex column of 24-, 25-bleeder port, 26-gap-like groove.

Embodiment

Below in conjunction with drawings and Examples, the utility model embodiment is described:

Fig. 1 and Fig. 2 shows embodiment of the present utility model, as shown in the figure, a kind of Large Copacity Ni-MH power cell of the utility model, the block 2 comprising box hat 5 and be arranged on above box hat, box hat inside is placed with battery core, is marked with alkaline electrolyte in the cavity in described box hat, and described box hat is cylinder-like structure, block is suitable with box hat, and block is provided with gap-like groove 26 with the joint portion of box hat; Described battery core comprises positive terminal 1, insulation diaphragm 8 and negative pole ring 10, and negative pole ring set is located at positive terminal outer surface, between positive terminal and negative pole ring, place insulation diaphragm; The centre of described positive terminal buries afflux conducting matrix grain 7 and anode ear 6 underground, and afflux conducting matrix grain and anode ear are connected as a single entity, and anode ear runs through setting along the longitudinal direction of positive terminal, and the upper surface that positive terminal is exposed in the upper end of anode ear is connected with block; Above described battery core, be placed with pad top, pad 4, PVC face, PVC face be placed with suction Aral Sea cotton 3;

As shown in the figure, connecting plate 9 is set below described battery core, the two ends, below of described connecting plate are provided with reinforcement 13, silk screen 12 is provided with between described reinforcement, insulating material is provided with between negative plate bottom described reinforcement and box hat, contact with connecting plate above described silk screen and connect, be connected below described silk screen with negative plate 11, described silk screen is that electric conducting material makes;

As shown in the figure, described block comprises the cap body 21 that an entirety can seal with box hat, is provided with the stairstepping groove face 22 that can cover box hat upper opening below described cap body, and the centre of this groove face is provided with an explosionproof hole 23; The centre of described cap body is provided with outer convex column 24; Described cap body place alternate with outer convex column is provided with three bleeder ports 25, and these three bleeder ports distribute in the form of a ring, and angle of being separated by between two bleeder ports is 120 °.

Preferably, as shown in the figure, described negative pole ring uses hydrogen-bearing alloy powder and combined conductive agent to make, and adopts the combining structure of six pieces three layers; Described positive terminal uses nickel hydroxide and cobalt hydroxide to be mixed.

By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.

Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.

Claims (1)

1. a Large Copacity Ni-MH power cell, comprise box hat and be arranged on the block above box hat, box hat inside is placed with battery core, alkaline electrolyte is marked with in cavity in described box hat, it is characterized in that: described box hat is cylinder-like structure, block is suitable with box hat, and block is provided with gap-like groove with the joint portion of box hat; Described battery core comprises positive terminal, insulation diaphragm and negative pole ring, and negative pole ring set is located at positive terminal outer surface, between positive terminal and negative pole ring, place insulation diaphragm; The centre of described positive terminal buries afflux conducting matrix grain and anode ear underground, and afflux conducting matrix grain and anode ear are connected as a single entity, and anode ear runs through setting along the longitudinal direction of positive terminal, and the upper surface that positive terminal is exposed in the upper end of anode ear is connected with block; Above described battery core, be placed with PVC face pad, pad top in PVC face is placed with inhales Aral Sea cotton;

Below described battery core, connecting plate is set, the two ends, below of described connecting plate are provided with reinforcement, silk screen is provided with between described reinforcement, insulating material is provided with between negative plate bottom described reinforcement and box hat, contact with connecting plate above described silk screen and connect, be connected with negative plate below described silk screen, described silk screen is that electric conducting material makes;

Described block comprises the cap body that an entirety can seal with box hat, is provided with the stairstepping groove face that can cover box hat upper opening below described cap body, and the centre of this groove face is provided with an explosionproof hole; The centre of described cap body is provided with outer convex column; Described cap body place alternate with outer convex column is provided with three bleeder ports, and these three bleeder ports distribute in the form of a ring, and angle of being separated by between two bleeder ports is 120 °.