High-capacity storage battery
Technical Field
The invention belongs to the field of storage batteries, and particularly relates to a high-capacity storage battery.
Background
The existing high-capacity storage battery, in particular a storage battery with 2V1500Ah capacity, has a rectangular structure in the shell shape, is close to a square in the horizontal cross section, has the height dimension larger than the length dimension and the width dimension respectively, occupies larger space in the vertical direction, has higher gravity center position and unstable structure, and meanwhile, the storage battery with the structure needs to be assembled with pole plates matched with the shape of the shell, namely the height dimension of each pole plate is larger than the length dimension and the width dimension respectively, so that the weight of a single pole plate is larger, the assembled pole plate is more inconvenient, the production cost is higher, in addition, the existing high-capacity storage battery is only provided with a containing cavity, the number of pole plates which can be contained is smaller, the current distributed to the single pole plate is larger, the single pole plate is easy to damage, and the whole power supply and the electric storage capacity of the storage battery are obviously reduced once the single pole plate is damaged, so that the service life of the single pole plate has larger influence on the whole service life of the storage battery.
Disclosure of Invention
Aiming at the problems of the prior high-capacity storage battery, the invention provides the high-capacity storage battery, which has the advantages of length dimension larger than height dimension, lowered gravity center, stable structure, smaller weight and more number of adopted polar plates, smaller current distributed on a single polar plate and weakened influence of the service life of the single polar plate on the whole service life of the storage battery.
The high-capacity storage battery comprises a battery tank with a containing function and a battery cover covered on the upper portion of the battery tank, wherein the length dimension of the battery tank is larger than the height dimension, the battery tank comprises a plurality of containing cavities, a plurality of positive plates, negative plates and isolating plates between the positive plates and the negative plates are stacked in each containing cavity along the length direction of the battery tank, lugs of the positive plates and the negative plates are upward, lugs of the positive plates are upward connected to a positive busbar, lugs of the negative plates are upward connected to a negative busbar, a plurality of pairs of positive terminals and negative terminals which are arranged side by side are arranged on the battery cover, and the positive terminals are connected with the positive busbar and the negative terminal are connected with the negative busbar.
The length dimension of the high-capacity storage battery is larger than the height dimension, the gravity center is reduced, the structure is stable, the adopted polar plates are smaller in weight and more in number, the current distributed to the single polar plate is smaller, and the influence of the service life of the single polar plate on the whole service life of the storage battery is weakened.
Further, the plurality of accommodating cavities are sequentially arranged in the battery groove in parallel, the horizontal section of each accommodating cavity is rectangular, a partition wall is arranged between every two adjacent accommodating cavities and used for separating the accommodating cavities from each other so as to keep each accommodating cavity independent and complete, and the accommodating cavities are connected in series. Because positive plate, negative plate's quantity is many, and along battery jar length direction distribution, if only have one to hold the chamber, positive plate, negative plate will connect positive busbar and negative busbar respectively as a whole, this leads to operating space little, inconvenient observation, easily have the omission, connect very inconveniently, set up a plurality of chamber of holding for positive plate, negative plate in every holds the chamber are connected with positive busbar and negative busbar respectively as little unit, and operating space is great relatively like this, be convenient for observe and inspect, connect relatively conveniently.
Further, a gap is formed in the partition wall, the gap is of a symmetrical structure and is located in the middle of the upper portion of the partition wall, and the positive bus bar and the negative bus bar penetrate through the gap. When the positive bus bar and the negative bus bar are in contact with the side wall and/or the bottom wall of the notch, the notch plays a role in limiting and supporting the positive bus bar and the negative bus bar, and when the positive bus bar and the negative bus bar are not in contact with the notch, the notch plays a role in giving way for installing the positive bus bar and the negative bus bar.
Further, a notch is formed in the middle of the bottom of the notch in a downward concave mode, and the notch is used for giving way to electrolyte circulation.
Further, the partition wall is further provided with a plurality of ribs and a plurality of liquid penetrating holes, the ribs are used for increasing the strength of the partition wall and reducing the deformation of the partition wall, the upper portion of each rib is arc-shaped, so that the installation difficulty is reduced, the plurality of liquid penetrating holes Kong Fenzu are distributed, and each group of liquid penetrating holes are vertically distributed and located between two adjacent ribs. The electrolyte is only filled into one of the accommodating cavities, so that the whole battery tank can be filled without adding the electrolyte into each accommodating cavity, the adding difficulty is reduced, and the consistency of the performance of the electrolyte in the whole battery tank can be maintained, so that the battery tank can be conveniently detected and replaced.
Further, the positive electrode bus bar and the negative electrode bus bar are respectively provided with a plurality of positive electrode bulges and negative electrode bulges, the number of the positive electrode bulges and the negative electrode bulges is respectively matched with that of the accommodating cavities, and each positive electrode bulge and each negative electrode bulge respectively correspond to one positive terminal and one negative terminal, so that each accommodating cavity corresponds to one pair of positive terminal and negative terminal. This structure allows the positive terminal and the negative terminal to have a sufficient distance therebetween, and the high-capacity battery having such a structure is more stable in current when charged and discharged.
Further, the battery jar is the rectangle, is equipped with a plurality of vertical arrangement's protruding muscle on its lateral wall, protruding muscle is located the corner of rectangle to and lateral wall middle part department in length direction. The convex rib is positioned at the weak position of the structure of the battery groove and used for increasing the strength of the battery groove and reducing the deformation of the battery groove.
Further, the battery cover is provided with a plurality of integral valves, each of which is located between each pair of negative and positive terminals, as an electrolyte addition port and a gas discharge port. The integral valve can be used for adding electrolyte without opening a battery cover, and gas possibly generated in the process of charging and discharging is summarized, if the gas is not discharged in time, the high-capacity storage battery is inflated to be dangerous, and the generated gas can be discharged through the integral valve.
The invention has the beneficial effects that the length dimension of the high-capacity storage battery is larger than the height dimension, the gravity center is reduced, the structure is stable, the adopted polar plates are smaller in weight and more in quantity, the current distributed to the single polar plate is smaller, and the influence of the service life of the single polar plate on the whole service life of the storage battery is weakened.
Drawings
Fig. 1 is a front view of a large-capacity storage battery;
Fig. 2 is a plan view of the large-capacity storage battery (battery cover);
Fig. 3 is a top view of a high capacity battery (without a battery cover);
FIG. 4 is a top view of a battery well;
FIG. 5 is a schematic view of a structure of a partition wall;
in the figure, 1-battery jar, 11-accommodating cavity, 12-positive plate, 13-negative plate, 14-separator, 15-positive bus bar, 151-positive protrusion, 16-negative bus bar, 161-negative protrusion, 17-separator, 171-notch, 172-notch, 173-rib, 174-through hole, 18-convex rib, 2-battery cover, 21-positive terminal, 22-negative terminal and 23-integral valve.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all the embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
The large-capacity storage battery of this embodiment has a capacity of 2V1500Ah, and as shown in fig. 1 to 5, the large-capacity storage battery comprises a battery jar 1 having a containing function and a battery cover 2 covering the upper portion of the battery jar 1, the battery jar 1 has a length dimension larger than a height dimension, the battery jar 1 comprises a plurality of containing cavities 11, a plurality of positive electrode plates 12, negative electrode plates 13 and a separator 14 between the positive electrode plates 12 and the negative electrode plates 13 are stacked in each containing cavity 11 along the length direction of the battery jar 1, lugs of the positive electrode plates 12 and the negative electrode plates 13 are all upward, lugs of the positive electrode plates 12 are upward connected to a positive electrode bus bar 15, lugs of the negative electrode plates 13 are upward connected to a negative electrode bus bar 16, a plurality of pairs of positive terminals 21 and negative terminals 22 arranged side by side are arranged on the battery cover 2, the positive terminals 21 are connected to the positive electrode bus bar 15, and the negative terminals 22 are connected to the negative electrode bus bar 16.
The length dimension of the high-capacity storage battery is larger than the height dimension, the gravity center is reduced, the structure is stable, the adopted polar plates are smaller in weight and more in number, the current distributed to the single polar plate is smaller, and the influence of the service life of the single polar plate on the whole service life of the storage battery is weakened.
The plurality of accommodating cavities 11 are arranged in the battery jar 1 in parallel in sequence, the horizontal section of each accommodating cavity 11 is rectangular, a partition wall 17 is arranged between the adjacent accommodating cavities 11 and used for separating the accommodating cavities 11 from each other so as to keep each accommodating cavity 11 independent and complete, and the accommodating cavities 11 are connected in series. Because the quantity of positive plate 12, negative plate 13 is many, and along battery jar 1 length direction distribution, if only have one and hold chamber 11, positive plate 12, negative plate 13 will be connected anodal busbar 15 and negative electrode busbar 16 respectively as a whole, this leads to operating space little, inconvenient observation, easy have the omission, connect very inconveniently, set up a plurality of chamber 11 that hold for positive plate 12, negative plate 13 in every holds chamber 11 are connected with anodal busbar 15 and negative electrode busbar 16 respectively as little unit, operating space is great relatively like this, be convenient for observe and inspect, it is relatively convenient to connect.
The partition 17 is provided with a notch 171, the notch 171 has a symmetrical structure, and is located at the middle part of the upper part of the partition 17, and the positive bus bar 15 and the negative bus bar 16 penetrate through the notch 171. When the positive electrode bus bar 15 and the negative electrode bus bar 16 are in contact with the side wall and/or the bottom wall of the notch 171, the notch 171 plays a role in limiting and supporting the positive electrode bus bar 15 and the negative electrode bus bar 16, and when the positive electrode bus bar 15 and the negative electrode bus bar 16 are not in contact with the notch 171, the notch 171 plays a role in giving way for mounting the positive electrode bus bar 15 and the negative electrode bus bar 16.
The middle part of the bottom of the notch 171 is concave downwards to form a notch 172, and the notch 172 is an electrolyte circulation giving way.
The partition wall 17 is further provided with a plurality of ribs 173 and a plurality of liquid penetrating holes 174 which are vertically arranged at intervals, the ribs 173 are used for increasing the strength of the partition wall 17 and reducing the deformation of the partition wall 17, the upper portion of each rib 173 is arc-shaped so as to reduce the installation difficulty, the plurality of liquid penetrating holes 174 are distributed in groups, and each group of liquid penetrating holes 174 is vertically arranged and located between two adjacent ribs 173. The whole battery tank 1 can be filled with electrolyte only by filling one of the battery tanks into the accommodating cavities 11, and electrolyte does not need to be added into each accommodating cavity 11 respectively, so that the adding difficulty is reduced, and the performance of the electrolyte in the whole battery tank 1 can be kept consistent, so that the battery tank is convenient to detect and replace. The electrolyte used in this example was colloidal.
The positive and negative electrode buses 15 and 16 are provided with a plurality of positive and negative electrode protrusions 151 and 161, respectively, the number of the positive and negative electrode protrusions 151 and 161 is matched with that of the accommodating chambers 11, and each positive and negative electrode protrusion 151 and 161 corresponds to one positive and negative terminal 21 and 22, respectively, so that each accommodating chamber 11 corresponds to one pair of positive and negative terminals 21 and 22. This structure allows the positive terminal 21 and the negative terminal 22 to have a sufficient distance therebetween, and the high-capacity battery thus constructed is more stable in current during charge and discharge.
The battery jar 1 is rectangular, a plurality of vertically arranged ribs 18 are arranged on the outer side wall of the battery jar, and the ribs 18 are positioned at the corners of the rectangle and at the middle parts of the side walls in the length direction. The ribs 18 are located at weak positions of the structure of the battery jar 1, and are used for increasing the strength of the battery jar 1 and reducing the deformation of the battery jar 1.
The battery cover 2 is provided with a plurality of integral valves 23, each integral valve 23 being located between each pair of the negative terminal 22 and the positive terminal 21 as an electrolyte addition port and a gas discharge port. The integral valve 23 can add electrolyte without opening the battery cover 2, and gas can be generated in the charge and discharge process, if the gas is not discharged in time, the high-capacity storage battery can bulge to be dangerous, and the generated gas can be discharged through the integral valve 23.
While the invention has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but includes, but is not limited to, those shown in the drawings and described in the foregoing detailed description. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.