CN205194762U - Horizontal battery box body - Google Patents

Abstract

The utility model discloses a horizontal battery box body, which aims to provide a horizontal battery box body which can effectively solve the problem that battery cells are strung together due to damaged wax seals and affect the service life of the battery. It includes a battery box body and a battery box cover. The battery box body is provided with at least one first combined partition, and the first combined partition divides the battery box body into at least two pole group installation slots; the first The combined partition includes two combined partition boards arranged side by side, and the first potting glue groove is formed between the two combined partition boards. The combined partition board is composed of several partition sealing strips distributed side by side from bottom to top. The sealing strip is provided with lug penetration holes that penetrate the left and right sides of the partition sealing strip, the lower side of the partition sealing strip is provided with a fixing part, and the upper side of the partition sealing strip is provided with a support that matches the fixing part. part, and the fixing parts of two adjacent partition sealing strips on the same combined partition board cooperate with the supporting part.

Description

A horizontal battery case

technical field

The utility model relates to the field of accumulators, in particular to a horizontal battery case of an accumulator.

Background technique

Lead-acid batteries are widely used in many fields because of their low price, mature technology and large monomer capacity. The traditional lead-acid battery plates are only designed with one tab, and then the same positive plate or negative plate tabs in the same pole group are welded together through the bus bar, and then the bus bar is extended, or connected to the adjacent single The body is welded, or the terminal protrudes to the outside of the battery case. Confluence excludes the conduction effect, and has no good effect on the capacity and life performance of the battery. On the contrary, it increases the internal resistance of the battery.

On the other hand, the single cells of the current horizontal battery are alternately arranged with a number of positive plates and a number of negative plates separated by separators, and the single cells need to be separated and sealed; Wax seals are used to separate and seal the cells between the cells; however, due to the low bonding strength between the wax and the battery case and the grid ribs, the wax seals are often damaged, and the battery cells are strangled. problems, and the resulting shortened battery life.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a horizontal battery case that can effectively solve the problem that battery cells are strung together due to damaged wax seals and affect the service life of the battery.

The technical scheme of the utility model is:

A horizontal battery box body, including a battery box body and a battery box cover. The battery box body is provided with at least one first combined partition, and the first combined partition separates the battery box body into at least two pole groups for installation. Groove; the first combined partition includes two combined partition boards arranged side by side, and a first potting glue groove is formed between the two combined partition boards, and the combined partition board is sealed by several partitions arranged side by side from bottom to top The partition sealing strip is provided with lug penetration holes penetrating through the left and right sides of the partition sealing strip, the lower side of the partition sealing strip is provided with a fixing part, and the upper side of the partition sealing strip is provided with the The fixing part matches the supporting part, and the fixing parts of two adjacent partition sealing strips on the same combined partition board match the supporting part, and the partition sealing strips are insulated.

The horizontal battery case of this solution can effectively solve the problem that the battery cells are strung together due to the damage of the wax seal, which affects the service life of the battery.

Preferably, the fixing portion is a protrusion/accommodating cavity, and the supporting portion is an accommodating cavity/protrusion. The structure of this scheme can connect two adjacent partition sealing strips on the same combined partition board into one.

Preferably, the protrusion includes a trapezoidal protrusion and several columnar protrusions arranged on the top surface of the trapezoidal protrusion, and the accommodating cavity includes a trapezoidal groove and several columnar grooves arranged on the bottom surface of the trapezoidal groove. The structure of this proposal can not only further improve the connection reliability between two adjacent partition sealing strips, but also enable seamless connection between two adjacent partition sealing strips.

Preferably, the inner bottom surface of the battery box body is provided with an accommodating groove/limiting protrusion matching the fixing part. The structure of this scheme can not only limit the partition sealing strip, but also make the partition sealing strip closely adhere to the inner bottom surface of the battery box body.

Preferably, the inner surface of the battery box body is provided with a partition plate limiting groove corresponding to the combined partition plate, and the combined partition plate is inserted into the corresponding partition plate limiting groove. The structure of this scheme can limit the combined partition board.

Preferably, the battery box body is surrounded by a bottom plate and four front, rear, left, and right side plates, the first combined partition is perpendicular to the front and rear side plates, and the left side plate is perpendicular to the left side plate. A second combined partition is provided in the pole group installation groove between the first combined partitions adjacent to the board, and the second combined partition is close to the left side board; the right side board is adjacent to the right side board A second combined partition is also provided in the pole group installation groove between the first combined partition, and the second combined partition is close to the right side panel; Composed, and the combined partition plate of the first combined partition is parallel to the combined partition plate of the second combined partition, and a second A potting glue groove, a second potting glue groove is also formed between the right side plate and the combined partition board of the second combined partition close to the right side plate. In a further preferred solution, the left side plate and/or the right side plate are provided with outwardly protruding terminal installation grooves, and the terminal installation grooves communicate with the second potting glue groove. The second potting glue groove and the terminal installation groove of the structure of the scheme can be beneficial to the actual packaging operation of the horizontal battery.

Preferably, the upper end surfaces of the front and rear side panels are provided with a third potting glue groove, a first connecting groove corresponding to the first potting glue groove one-to-one, and a first connecting groove corresponding to the second potting glue groove one-to-one. Two connecting grooves, the first connecting groove communicates with the third potting compound tank and the corresponding first potting compound tank, and the second connecting groove communicates with the third potting compound tank and the corresponding second potting compound tank.

Preferably, at least one integral partition is arranged in the battery case body, and the integral partition divides the battery case body into at least two subsection installation grooves arranged side by side, and the first combined partition is arranged in the subsection installation slot. There is at least one first combined partition in each sub-installation slot, and the first combined partition in the sub-section installation slot divides the sub-section installation slot into at least two side-by-side pole group installation slots.

The combination of the integral partition and the first combined partition of this scheme can effectively solve the problem of stringing cells between battery cells and affect the service life of the battery, and at the same time simplify the structure of the battery box body and increase the pole group of the battery box body. Installing slots (that is, increasing the single battery capacity of the horizontal battery) increases battery capacity.

Preferably, the upper surface of the integral separator is also provided with a third potting glue groove, a first connecting groove corresponding to the first potting glue groove one-to-one, and a second connecting groove corresponding to the second potting glue groove one-to-one , the first connecting groove on the integral separator connects the third potting glue groove with the corresponding first potting glue groove, and the second connecting groove on the integral separator connects the third potting glue groove with the corresponding second Potting glue tank.

The beneficial effects of the utility model are: it can effectively solve the problem that battery cells are strung together due to damage to the wax seal, which affects the service life of the battery; and the service performance and reliability of the horizontal battery can be improved.

Description of drawings

Fig. 1 is a schematic structural view of a horizontal battery box in Embodiment 1 of the present invention.

Fig. 2 is a top view of the battery case body in Embodiment 1 of the present invention.

Fig. 3 is a partial enlarged view of A in Fig. 1 .

Fig. 4 is a structural schematic diagram of the partition sealing strip in Embodiment 1 of the present utility model.

Fig. 5 is a schematic cross-sectional structure diagram at B-B in Fig. 4 .

6 is a schematic diagram of a connection structure of positive and negative plates of two adjacent single cells in Embodiment 1 of the present utility model.

Fig. 7 is a schematic structural view of a horizontal battery applying the horizontal battery case of the present invention.

Fig. 8 is a top view of the battery box body of the second embodiment of the utility model.

In the figure: battery box body 1, front side panel 1a, rear side panel 1b, left side panel 1c, right side panel 1d; battery box cover 2, safety valve 21, terminal installation through hole 22; first combined partition 3a, The second combined partition 3b, combined partition plate 31, partition sealing strip 311, support part 3111, trapezoidal groove and 3112, columnar groove 3113, fixing part 3114, trapezoidal protrusion 3115, columnar protrusion 3116, tab through Hole 3117, first potting glue groove 32, second potting glue groove 33; pole group installation groove 4; terminal installation groove 5; third potting glue groove 6, first connection groove 61, second connection groove 62; Single battery 7, positive plate 71a, negative plate 71b, tabs 71a1, 71b1, welding part 72; positive terminal 8a, negative terminal 8b; integral separator 9; sub-installation groove 10.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Embodiment 1: As shown in FIG. 1 , a horizontal battery box body includes a battery box body 1 and a battery box cover 2 . The battery case body is surrounded by a bottom plate and four side plates 1a, 1b, 1c, 1d of front, rear, left and right. The front and rear side panels are parallel. The left and right side panels are parallel. The front side panel is perpendicular to the left side panel.

As shown in Figure 1 and Figure 2, at least one first combined partition 3a is provided in the battery box body, and the first combined partition divides the battery box body into at least two pole group installation grooves 4; There are two first combined partitions arranged side by side, and the first combined partition divides the battery box body into three pole group installation slots arranged side by side. The battery box cover is provided with a plurality of safety valves 21 corresponding to the mounting grooves of the pole group. The gas generated during battery production and use is discharged to the atmosphere through the safety valve, and each single battery is equipped with a separate safety valve. The first combined partition is perpendicular to the front and rear side panels. A second combined partition 3b is provided in the electrode group installation groove 4 between the left side plate and the first combined partition adjacent to the left side plate, and the second combined partition is close to the left side plate. A second combined partition 3b is also provided in the pole group installation groove between the right side plate and the first combined partition adjacent to the right side plate, and the second combined partition is close to the right side plate.

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , the first combined partition 3 a includes two combined partition boards 31 arranged side by side, and a first potting glue groove 32 is formed between the two combined partition boards. The second combined partition 3b is composed of a combined partition plate 31, and the combined partition plate of the first combined partition is parallel to the combined partition plate of the second combined partition. The combined partition panels are set vertically. A second potting glue groove 33 is formed between the left side panel and the combined partition panel of the second combined partition close to the left side panel. A second potting glue groove is also formed between the right side plate and the combined partition plate of the second combined partition close to the right side plate. The left side panel and/or the right side panel are provided with outwardly protruding terminal installation slots 5 , and in this embodiment, the left side panel and the right side panel are respectively provided with an outwardly protruding terminal installation slot. The terminal installation groove communicates with the second potting glue groove. The battery box cover is provided with a terminal installation through hole 22 corresponding to the terminal installation groove.

The upper end surfaces of the front and rear side plates are provided with a third potting glue groove 6, a first connecting groove 61 corresponding to the first potting glue groove one-to-one, and a second potting glue groove corresponding to the second potting glue groove one-to-one. Connection groove 62 . The first connection groove communicates with the third potting compound groove and the corresponding first potting compound groove. The second connecting groove communicates with the third potting compound groove and the corresponding second potting compound groove. The lower surface of the battery box cover is provided with sealing convex plates corresponding to the first, second and third potting glue grooves, and the sealing convex plates extend into the corresponding first, second and third potting glue grooves .

As shown in FIG. 3 , FIG. 4 , and FIG. 5 , the combined partition panel 31 is composed of several partition sealing strips 311 arranged side by side from bottom to top. The partition sealing strip is insulated, that is, the partition sealing strip is made of insulating material. In this embodiment, the partition sealing strip is made of insulating plastic. The partition sealing strip is provided with tab insertion through holes 3117 penetrating through the left and right sides of the partition sealing strip. The tab insertion through hole corresponds to the tab on the pole plate. In this embodiment, several tabs are arranged on the pole plate. The lug insertion through hole on the partition sealing strip of the first combined partition communicates with the first potting compound groove and the pole group installation groove. The tab insertion through hole on the partition sealing strip of the second combined partition communicates with the second potting compound groove and the pole group installation groove.

The lower side of the partition sealing strip is provided with a fixing portion 3114 . The upper side of the partition sealing strip is provided with a supporting part 3111 matching the fixing part, and the fixing parts of two adjacent partition sealing strips on the same combined partition board are matched with the supporting part. The fixing part is a protrusion/accommodating cavity, and the support part is an accommodating cavity/protrusion. The protrusions include trapezoidal protrusions 3115 and several columnar protrusions 3116 disposed on the top surface of the trapezoidal protrusions. The receiving cavity includes a trapezoidal groove 3112 and a plurality of columnar grooves 3113 disposed on the bottom surface of the trapezoidal groove. The inner bottom surface of the battery box body is provided with an accommodating groove/limiting protrusion matching the fixing part. The inner surface of the battery box body is provided with a partition plate limiting groove corresponding to the combined partition plate. The combined partition board is inserted into the corresponding partition board limiting groove.

The specific use process of the horizontal battery case of this embodiment is as follows:

Firstly, the partition sealing strips on the first combined partition and the second combined partition are removed from the battery box body.

Second, insert the lugs of the pole plate into the lug penetration holes of the partition seal strip, and one pole plate corresponds to a partition seal strip, and the tabs on the same pole plate are installed on the same partition seal strip .

Thirdly, as shown in Figure 6, the tabs 71a1, 71b1 opposite to the positive and negative plates 71a, 71b to be installed in the adjacent cells (that is, the adjacent pole group installation grooves) are welded together; then, as shown in the figure As shown in FIG. 7 , the welded integrated pole plates are horizontally stacked together through a separator to form three single cells 7 arranged side by side, and the three single cells are connected in series. The positive electrode plates and negative electrode plates of the same single battery are alternately stacked and arranged through separators. The tabs of the positive plate of the same single battery are located on the same side, the tabs of the negative plate are located on the same side, and the tabs of the positive plate and the tabs of the negative plate of the same single battery are located on opposite sides of the single battery.

The fixing part of the partition sealing strip on the lugs of the adjacent two positive plates and the adjacent two negative plates of the same single battery cooperates with the supporting part (that is, the columnar protrusion is inserted in the corresponding columnar groove, and the trapezoidal protrusion is inserted into the corresponding columnar groove. inserted in the corresponding trapezoidal groove), so that a combined partition plate 31 is respectively formed on opposite sides of the same single battery.

Fourth, the positive terminal 8a is connected to the positive ear of the single battery by welding, and the negative terminal 8b is connected to the negative ear of the single battery by welding; the three single batteries are located between the positive and negative terminals.

Fifth, the single batteries are placed side by side in the battery box body, the combined partition plates are parallel to each other, and the combined partition plates are perpendicular to the front and rear side plates of the battery box body. The combined partition board is inserted into the corresponding partition board limiting groove. The fixing part of the partition sealing strip at the bottom of the combined partition plate is matched with the receiving groove/limiting protrusion on the inner bottom surface of the battery case body. The positive and negative terminals are located in the corresponding terminal installation slots.

Two combined partition plates 31 between two adjacent single cells form a first combined partition 3a. The welding portion 72 between the positive and negative tabs is located between two combined partition plates between two adjacent single cells (and located in the first potting glue groove). A combined partition plate 31 adjacent to the left side plate of the battery box body constitutes a second combined partition 3b. A combined partition board adjacent to the right side plate of the battery box body also constitutes a second combined partition. The positive terminal and the negative terminal are located in the corresponding terminal installation slots.

Sixth, as shown in Figure 7, glue is poured into the first, second and third potting grooves, thereby forming an insulating seal and partition between two adjacent single cells, and its structure is stable and reliable, so it can be Effectively solve the problem that the battery cells are strung together due to the damage of the wax seal, which affects the service life of the battery. On the other hand, the bus structure is eliminated, which can greatly reduce the amount of lead used in the manufacture of lead-acid batteries.

Seventh, cover the battery box cover on the battery box body.

Embodiment 2: the remaining structure of this embodiment is with reference to embodiment 1, and its difference is:

As shown in FIG. 8 , an integral partition 9 is provided inside the battery case body 1 , and the integral partition divides the battery case body into two sub-installation slots 10 arranged side by side. The integral separator is perpendicular to the bottom plate of the battery box body. Integral bulkheads run parallel to the front side panels. Two first combined partitions 3 a arranged side by side are arranged in each subsection installation groove, and the first combined partition divides the subsection installation groove into three pole group installation grooves 4 arranged side by side. The first combined partition is perpendicular to the integral partition. The upper surface of the integral separator is also provided with a third potting glue groove 6 , a first connecting groove corresponding to the first potting glue groove one-to-one, and a second connecting groove corresponding to the second potting glue groove one-to-one. The first connection groove on the integral separator communicates with the third potting compound groove and the corresponding first potting compound groove. The second connecting groove on the integral partition communicates with the third potting compound groove and the corresponding second potting compound groove. The terminal installation groove 6 in this embodiment is arranged on the left side plate or the right side plate, and two terminal installation grooves are provided on the left side plate or the right side plate. Two terminal mounting slots are located on opposite sides of the integral bulkhead.

Claims (10)

1. A horizontal battery box body, comprising a battery box body and a battery box cover, characterized in that at least one first combined partition is provided in the battery box body, and the battery box body is separated by the first combined partition At least two pole group installation slots; the first combined partition includes two combined partition boards arranged side by side, and a first potting glue groove is formed between the two combined partition boards, and the combined partition board is composed of several bottom-up The partition seal strips are arranged side by side on the upper side, the partition seal strips are provided with lug insertion through holes penetrating the left and right sides of the partition seal strips, the lower side of the partition seal strips is provided with a fixing part, and the upper side of the partition seal strips The side is provided with a supporting part matching the fixing part, and the fixing parts of two adjacent partition sealing strips on the same combined partition board cooperate with the supporting part; the partition sealing strip is insulated. 2 . The horizontal battery case according to claim 1 , wherein the fixing portion is a protrusion/accommodating cavity, and the supporting portion is an accommodating cavity/protrusion. 3 . 3. A horizontal battery box according to claim 2, wherein the protrusions include trapezoidal protrusions and several columnar protrusions arranged on the top surface of the trapezoidal protrusions, and the accommodating cavity includes trapezoidal recesses groove and several columnar grooves arranged on the bottom surface of the trapezoidal groove. 4 . A horizontal battery case according to claim 1 , 2 or 3 , wherein the inner bottom surface of the battery case body is provided with an accommodating groove/limiting protrusion matching the fixing portion. 5. A horizontal battery box according to claim 1, 2 or 3, characterized in that, the inside surface of the battery box body is provided with a partition plate limit groove corresponding to the combined partition plate, and the combined partition plate The board is inserted into the corresponding partition board limiting groove. 6. A horizontal battery case according to claim 1, 2 or 3, wherein the battery case body is surrounded by a bottom plate and four side plates, front, rear, left and right, and the first The combined partition is perpendicular to the front and rear side panels, and the second combined partition is arranged in the pole group installation groove between the left side panel and the first combined partition adjacent to the left side panel, and the The second combined partition is close to the left side plate; a second combined partition is also provided in the pole group installation groove between the right side plate and the first combined partition adjacent to the right side plate, and the second combined partition The combined partition is close to the right side panel; the second combined partition is composed of one combined partition board, and the combined partition board of the first combined partition is parallel to the combined partition board of the second combined partition, and the A second potting glue groove is formed between the left side plate and the combined partition plate of the second combined partition close to the left side plate, and between the right side plate and the combined partition plate of the second combined partition close to the right side plate A second potting compound groove is also formed. 7. A horizontal battery case according to claim 6, wherein the left side plate and/or the right side plate are provided with outwardly protruding terminal installation grooves, and the terminal installation grooves are connected with the second tank. The sealing grooves are connected. 8. A horizontal battery case according to claim 6, characterized in that, the upper end surfaces of the front and rear side plates are provided with a third potting glue groove, which is one-by-one with the first potting glue groove. The corresponding first connecting groove and the second connecting groove corresponding to the second potting glue groove one by one, the first connecting groove communicates with the third potting glue groove and the corresponding first potting glue groove, the second The connecting groove communicates with the third potting compound groove and the corresponding second potting compound groove. 9. A horizontal battery case according to claim 1, 2 or 3, wherein at least one integral partition is arranged in the battery case body, and the integral partition divides the battery case body into At least two subsection installation grooves arranged side by side, the first combined partition is arranged in the subsection installation groove, and there is at least one first combined partition in each subsection installation groove, and the first combined partition in the subsection installation groove A combined partition divides the sub-installation slots into at least two pole-group installation slots arranged side by side. 10. A horizontal battery box according to claim 9, characterized in that, the upper surface of the integral separator is also provided with a third potting glue groove, and a first potting glue groove corresponding to the first potting glue groove. A connecting groove and a second connecting groove corresponding to the second potting glue groove one by one, the first connecting groove on the integral partition connects the third potting glue groove and the corresponding first potting glue groove, the integral partition The second connection groove on the board communicates with the third potting glue groove and the corresponding second potting glue groove.