CN210074077U

CN210074077U - Lead-acid storage battery

Info

Publication number: CN210074077U
Application number: CN201920785096.5U
Authority: CN
Inventors: 丁元军; 吴永新; 章春红; 赵青; 闫大龙
Original assignee: Chaowei Power Group Co Ltd
Current assignee: Chaowei Power Group Co Ltd; Chaowei Power Supply Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-02-14
Anticipated expiration: 2029-05-28

Abstract

The utility model belongs to the technical field of the battery and specifically relates to a lead acid battery is related to. The utility model provides a lead-acid storage battery, includes the upper end opening and has the casing of mounting groove, by the utmost point crowd that a plurality of single check utmost point crowd constitute and be used for assembling and conduction current's busbar, the mounting groove in vertically be provided with first check and keep off, the mounting groove in along transversely being provided with two second check and keep off, the both sides that first check kept off all be provided with first perpendicular muscle, two vertical lateral walls of mounting groove on all be provided with the second and erect the muscle, first check keep off and divide the mounting groove equally into a plurality of standing grooves with the second check, the standing groove in the one-to-one installation single check utmost point crowd, utmost point crowd and busbar electricity be connected, the casing on correspond the busbar and be provided with the upper cover, the upper cover be connected with the protecting cover. The utility model discloses can improve the purpose of energy and reduction in weight to improve gravimetric specific energy, can satisfy the requirement of national standard car to battery weight.

Description

Lead-acid storage battery

Technical Field

The utility model belongs to the technical field of the battery and specifically relates to a lead acid battery is related to.

Background

With the popularization of electric moped, the lead-acid storage battery is widely applied with the advantages of low price, mature technology, stable quality, safety, reliability, environmental protection, recycling and the like. However, with the release of the standard of "safety technical specification for electric bicycles" GB17761-2018, the total weight of the electric bicycle is strictly limited, resulting in a limitation on the weight of the battery; because the lead-acid storage battery has lower gravimetric specific energy than other batteries, the lead-acid storage battery is greatly limited in expanding use on a national standard vehicle and even has the possibility of being completely replaced; therefore, how to improve the gravimetric specific energy of the lead-acid battery for the electric power-assisted vehicle as much as possible is a problem to be solved urgently.

The conventional accumulator is improved only in a single aspect such as increasing the utilization rate of the living things, reducing the acid amount, etc. due to the restriction of the traditional concept, process and equipment, etc., and the systematic improvement and improvement of the battery are not carried out, so that the great improvement of the weight ratio energy is difficult to be carried out, and the conventional accumulator is basically maintained at a lower level of 36-39 Wh/Kg.

For example, Chinese patent publication numbers are: CN207441845U, a lead accumulator who announces in 2018, 6.1.s, including cell body and the lid that closes each other, lead accumulator includes two sets of binding post, and wherein first binding post of group locates on the lid, and the setting of cell body lateral wall is passed to second binding post group, and the same busbar is connected to the same binding post of polarity in two sets of binding post. Although the storage battery meets the use requirements under different conditions by designing two groups of wiring terminals, the weight ratio energy of the storage battery is lower than that of other batteries, so that the expansion use of the storage battery on a national standard vehicle is greatly limited.

Disclosure of Invention

The utility model discloses mainly be to lead acid battery's gravimetric specific energy lower than other batteries among the prior art, make it extend to use on the national standard car and received the problem of very big restriction, provide one kind and use energy improvement and reduce weight as the purpose to improve the gravimetric specific energy, can satisfy the lead acid battery of national standard car to the requirement of battery weight.

The purpose of the utility model is mainly realized by the following scheme: the utility model provides a lead-acid storage battery, includes the upper end opening and has the casing of mounting groove, by the utmost point crowd that a plurality of single check utmost point crowd constitute and be used for assembling and conduction current's busbar, the mounting groove in vertically be provided with first check and keep off, the mounting groove in along transversely being provided with two second check and keep off, the both sides that first check kept off all be provided with first perpendicular muscle, two vertical lateral walls of mounting groove on all be provided with the second and erect the muscle, first check keep off and divide the mounting groove equally into a plurality of standing grooves with the second check, the standing groove in the one-to-one installation single check utmost point crowd, utmost point crowd and busbar electricity be connected, the casing on correspond the busbar and be provided with the upper cover, the upper cover be connected with the protecting cover. The upper end of the shell is opened and is provided with a mounting groove, the pole group is composed of a plurality of single-grid pole groups, a first grid baffle is longitudinally arranged in the mounting groove, two second grid baffles are transversely arranged in the mounting groove, first vertical ribs are arranged on two sides of the first grid baffle, second vertical ribs are arranged on two longitudinal side walls of the mounting groove, the heights of the first vertical ribs and the second vertical ribs are lower than the heights of the first grid baffle and the second grid baffle and are equal to the plate surface height of the positive plate or the negative plate, the mounting groove is uniformly divided into a plurality of placing grooves by the first grid baffle and the second grid baffle, the number of the first vertical ribs in each placing groove is 6, the number of the second vertical ribs in each placing groove is 18, the single-grid pole groups are correspondingly mounted in the placing grooves one by one, the pole group is electrically connected with a bus bar, an upper cover is arranged on the shell corresponding to the bus bar, a protective cover is connected on the upper cover, and the arrangement mode of the pole groups is 2X3, the mounting groove is cuboid, and due to the existence of the first vertical rib and the second vertical rib, the assembly pressure can be doubled, the structure is compact, the weight of the whole storage battery is effectively reduced, and the gravimetric specific energy is improved.

Preferably, the upper edge of the periphery of the edge of the opening at the upper end of the shell is provided with an adhesive sealing edge upwards. The edge of the upper end opening of the shell is provided with a sealing edge upwards along the periphery, the sealing edge is connected with the bottom of the upper cover in a matched mode, and the sealing performance during connection is improved.

Preferably, the single-grid electrode group comprises a positive electrode plate, a negative electrode plate and an AGM separator, and each single-grid electrode group is formed by arranging the negative electrode plate + the AGM separator + the positive electrode plate + the AGM separator + the negative electrode plate + … … + the AGM separator + the positive electrode plate + the AGM separator + the negative electrode plate in sequence. The single check utmost point crowd includes positive plate, negative plate and AGM baffle, and every single check utmost point crowd all arranges according to the order of "negative plate + AGM baffle + positive plate + AGM baffle + negative plate + … … + AGM baffle + positive plate + AGM baffle + negative plate" and forms, is provided with the baffle between arbitrary adjacent positive plate and the negative plate.

Preferably, the positive plate and the negative plate are both composed of living objects and a grid, the grid comprises an upper frame and a bottom frame, the two sides of the upper frame and the bottom frame are connected through side frames, vertical ribs and transverse ribs are arranged among the upper frame, the bottom frame and the side frames, and tabs are arranged on the upper frame. The positive plate and the negative plate constitute by live object and grid, and the grid includes upper ledge and underframe, connects through the side frame between the both sides of upper ledge and underframe, is provided with between upper ledge, underframe and the side frame and erects muscle and horizontal muscle, is provided with utmost point ear on the upper ledge, and the utmost point ear of positive plate aligns towards one side, and the utmost point ear of negative plate aligns towards the opposite side, and the positive plate all realizes the electricity through utmost point ear and busbar with the negative plate to be connected.

Preferably, the grid is divided into an upper plate height, a middle plate height and a lower plate height according to the height of the grid, wherein the upper plate height is as follows: the middle plate height: the lower plate height is 1: 1.2-1.4: 0.9-1.2, the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of upper portion is upper lattice area, and the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of middle part is well lattice area, and the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of lower part is lower lattice area, upper lattice area: the area of the middle lattice: the area of the lower grid is 1: 0.7-0.9: 0.4-0.5, the sectional area of the vertical bar and the horizontal bar in the upper plate height is larger than the sectional area of the vertical bar and the horizontal bar in the middle plate height, the sectional area of the vertical bar and the horizontal bar in the middle plate height is larger than the sectional area of the vertical bar and the horizontal bar in the lower plate height, and the sectional area ratio of each bar is as follows: cross-sectional area of transverse bar in upper plate height: cross-sectional area of transverse bar in middle plate height: cross-sectional area of the transverse bar in the lower plate height = 1: 0.75-0.85: 0.55-0.7; sectional area of vertical rib in upper plate height: sectional area of vertical bar in middle plate height: the cross-sectional area of the vertical bar in the lower plate height = 1: 0.8-0.9: 0.65-0.85. The vertical ribs can be realized by adopting a structure with gradually changed cross sections from top to bottom, the grid with the gradually changed structure is adopted for the rib grid area and the rib cross section, the reaction speed of the living objects in the charging and discharging process is consistent, the local over-charging or over-discharging of the living objects is avoided, the overall utilization rate of the living objects is improved, the argillization of the living objects can be effectively prevented, and the service life of the battery is finally prolonged.

Preferably, the busbar include anodal horizontal row and negative pole horizontal row, the utmost point ear on the positive plate in every single check utmost point crowd connects in parallel through anodal horizontal row, and utmost point ear on the negative plate connects in parallel through the negative pole horizontal row, and anodal horizontal row and negative pole horizontal row on the adjacent single check utmost point crowd in longitudinal direction are two liang established ties through erecting the row, and wherein the anodal horizontal row on one of them end of longitudinal direction is connected with the tip of negative pole horizontal row, is connected with anodal post and negative pole post on anodal horizontal row and the negative pole horizontal row on the other end of longitudinal direction respectively, anodal post and negative pole post on all be connected with binding post. The current of the storage battery is output to an external load through the wiring terminal.

As preferred, the upper cover upper surface on correspond the busbar and be provided with row back of the body ditch, the upper surface of upper cover on correspond anodal post and negative pole post and be provided with the post cap, the lower surface of upper cover on be provided with the holding row ditch that corresponds with row back of the body ditch, the cross-section of holding row ditch from top to bottom be second trapezoidal face, second rectangular face and third trapezoidal face in proper order, the cross-section of anodal horizontal row, negative pole horizontal row and perpendicular row from top to bottom be in proper order for being used for with the first trapezoidal face of second trapezoidal face matched with and be used for with the first rectangular face of second rectangular face matched with. The upper surface of the upper cover is provided with a back groove corresponding to the bus bar, the upper surface of the upper cover is provided with a pole cap corresponding to the positive pole and the negative pole, the lower surface of the upper cover is provided with a containing groove corresponding to the back groove, the cross section of the containing groove is sequentially a second trapezoidal surface, a second rectangular surface and a third trapezoidal surface from top to bottom, one base angle of the third trapezoidal surface is a large chamfer angle, the glue solution flows back when the cover is buckled conveniently, the cross sections of the positive pole transverse row, the negative pole transverse row and the vertical row are sequentially a first trapezoidal surface matched with the second trapezoidal surface and a first rectangular surface matched with the second rectangular surface from top to bottom, when the whole body is installed, the bus bar is just installed in the containing groove, the positive pole and the negative pole are also just installed in the pole cap, the stability is high, when the cover buckling operation is carried out to press the bus bar into the containing groove containing the glue solution, the glue solution can flow back to coat the bus bar very quickly, the glue is not splashed, so that the quality is ensured, and the glue consumption is saved to the maximum extent; and a safety valve seat is respectively arranged on the upper surface of the upper cover between two adjacent transverse rows of each single grid group.

Preferably, the protecting cover is provided with a post exposing hole corresponding to the post cap, the inner side wall of the protecting cover is provided with a fastener oblique protrusion, and the upper cover is provided with a fastener groove corresponding to the fastener oblique protrusion. It is provided with the post hole to protect to cover to correspond utmost point post cap, makes anodal post, negative pole post and binding post can stretch out the surface, makes things convenient for the electricity of load to connect, is provided with the buckle on the inside wall of protecting cover to one side protruding, covers on and corresponds the buckle to one side protruding and be provided with the buckle recess, covers the back when the protecting cover assembly at last, and the buckle is protruding to one side just in time to be gone into the buckle recess, plays the effect of fixed protecting cover, and the operation is very convenient.

Therefore, the utility model discloses a lead acid battery possesses following advantage: the utility model discloses rationally, systematically carry out comprehensive design and upgrading with the battery, remove the redundancy of each spare part, improve each spare part structure, rationally arrange each spare part weight proportion, put forward high-pressure heater work in effort according to the function needs and utilize the rate of utilization and electrolyte, reach the purpose that improves the energy and reduce weight, can make the gravimetric specific energy improve about 15% (by 20 Ah), can satisfy the preliminary requirement of national standard car to battery weight; the advantages of the storage battery such as price, safety, environmental protection are combined again to consolidate its share and status in electric bicycle market, and the utility model has the characteristics of compact structure, assembly pressure are big, economize lead and economize glue, the living thing utilization ratio is high, the sour utilization ratio is high, specific energy is high and longe-lived.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a schematic structural diagram of the housing of the present invention.

Fig. 3 is a top view of the housing of the present invention.

Fig. 4 is a cross-sectional view taken at a-a in fig. 3.

Fig. 5 is a cross-sectional view at B-B in fig. 3.

Fig. 6 is a schematic structural diagram of the middle pole group of the present invention.

Fig. 7 is a schematic structural diagram of the bus bar of the present invention.

Fig. 8 is a schematic structural view of the middle positive plate of the present invention.

Fig. 9 is a schematic structural diagram of a grid in the present invention.

Fig. 10 is a schematic structural view of the upper cover of the present invention.

Fig. 11 is a top view of the upper cover of the present invention.

Fig. 12 is a cross-sectional view at C-C in fig. 11.

Fig. 13 is an enlarged view of the accommodating groove E in fig. 12.

Fig. 14 is a cross-sectional view taken at D-D in fig. 11.

Fig. 15 is a schematic structural view of the protective cover of the present invention.

Figure 16 is a bottom view of the protective cover of the present invention.

Figure 17 is a cross-sectional view of the protective cover of the present invention.

Illustration of the drawings: 1-housing, 2-pole group, 3-upper cover, 4-terminal, 5-glue cap, 6-cover plate, 7-cover, 11-glue edge, 12-first block, 13-second block, 14-first vertical rib, 15-second vertical rib, 16-first gap, 17-second gap, 31-row back groove, 32-safety valve seat, 33-pole cap, 34-snap groove, 35-row groove, 36-second trapezoidal surface, 37-second rectangular surface, 38-third trapezoidal surface, 71-decorative carving portion, 72-exposed post hole, 73-snap oblique projection, 74-guide claw, 75-pole partition, 21-bus bar, 2111-negative pole row, 2112-positive pole row, 212-vertical row, 2131-negative pole column, 2132-positive pole column, 214-first trapezoidal surface, 215-first rectangular surface, 22-positive pole plate, 221-active matter, 222-tab, 223-upper frame, 224-side frame, 225-bottom frame, 226-vertical rib, 227-horizontal rib, H1-upper plate height, H2-middle plate height, H3-lower plate height, S1-upper lattice area, S2-middle lattice area, S3-lower lattice area, 23-negative pole plate, 24-AGM separator.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, 2, 3, 4, 5, a lead-acid storage battery comprises a casing 1 with an opening at the upper end and an installation groove, a pole group 2 formed by a plurality of single-grid pole groups 2, and a busbar 21 for power supply, wherein a first grid baffle 12 is arranged in the installation groove along the longitudinal direction, a second grid baffle 13 is arranged in the installation groove along the transverse direction, first vertical ribs 14 are arranged on both sides of the first grid baffle 12, second vertical ribs 15 are arranged on both longitudinal side walls of the installation groove, the heights of the first vertical ribs 14 and the second vertical ribs 15 are both lower than the heights of the first grid baffle 12 and the second grid baffle 13 and are equal to the plate surface height of a positive plate 22 or a negative plate 23, the installation groove is equally divided into a plurality of placing grooves by the first grid baffle 12 and the second grid baffle 13, the number of the first vertical ribs 14 in each placing groove is 6, the number of the second vertical ribs 15 in each placing groove is 18, the single-grid pole groups are correspondingly installed in the placing grooves one by one, the pole group 2 is electrically connected with the bus bar 21, the shell 1 is provided with an upper cover 3 corresponding to the bus bar 21, the upper cover 3 is connected with a protective cover 7, the upper edge of the periphery of the opening at the upper end of the shell 1 is upwards provided with a sealing adhesive edge 11, the sealing adhesive edge 11 is matched and connected with the bottom of the upper cover 3, the shell 1 and the upper cover 3 are sealed by epoxy adhesive, the sealing adhesive edge 11 is arranged to facilitate the coating of the epoxy adhesive, the sealing performance during connection is improved, the inner side surface of the sealing adhesive edge 11 and the inner side surface of the mounting groove are the same plane, the outer side surface of the sealing adhesive edge 11 is inwards concave to the wall thickness of one third to one half of the mounting groove than the outer side surface of the mounting groove, the sealing adhesive is convenient to be connected with the bottom of the upper cover 3, the pole group 2 is arranged in a 2X3 mode, the number of the first baffles 12 is one, the number of the second baffles 13, the assembly pressure can be doubled, the structure is compact, the weight of the whole storage battery is effectively reduced, and the gravimetric specific energy is improved; two ends (the middle of the width of the placing groove) of each second block 13 are respectively provided with a second notch 17, the position width of the second notch corresponds to the vertical bar 212 on the busbar 21, and the depth of the second notch corresponds to the thickness of the vertical bar 212; the two ends of the first block 12 are respectively provided with a first notch 16, the position width of the first notch corresponds to the horizontal connecting position of the two sides of the bus bar 21, the depth of the first notch corresponds to the thickness of the horizontal connecting position of the two sides of the bus bar 21, and the arrangement of the first notch 16 and the second notch 17 is convenient for installing the bus bar 21.

As shown in fig. 6, 8 and 9, the single-cell groups include a positive plate 22, a negative plate 23 and an AGM separator 24, each single-cell group is formed by arranging "the negative plate 23+ the AGM separator 24+ the positive plate 22+ the AGM separator 24+ the negative plate 23+ … … + the AGM separator 24+ the positive plate 22+ the AGM separator 24+ the negative plate 23", the AGM separator 24 is disposed between any adjacent positive plate 22 and negative plate 23, the positive plate 22 and the negative plate 23 are both formed by a living matter 221 and a grid, the grid includes an upper frame 223 and a bottom frame 225, both sides of the upper frame 223 and the bottom frame 225 are connected by a side frame 224, vertical ribs 226 and transverse ribs 227 are disposed between the upper frame 223, the bottom frame 225 and the side frame 224, tabs 222 are disposed on the upper frame 223, the tabs 222 of the positive plate 22 are aligned to face one side, the tabs 222 of the negative plate 23 are aligned to face the other side, the positive plate 22 and the negative plate 23 are, the closer the tab 222 is to the side of the side frame 224 where the grid is closer, the shorter the vertical row 212; the grid is divided into an upper plate height H1, a middle plate height H2 and a lower plate height H3 according to the height, wherein the upper plate height H1: middle plate height H2: lower plate height H3 is 1: 1.2: 0.9, the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of upper portion is upper lattice area S1, the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of middle part is middle lattice area S2, the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of lower portion is lower lattice area S3, upper lattice area S1: middle lattice area S2: the lower grid area S3 is 1: 0.7: 0.4, the sectional area of the vertical bar 226 and the horizontal bar 227 in the upper plate height H1 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2, the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the lower plate height H3, and the sectional area ratio of each bar is as follows: cross-sectional area of the transverse bar 227 in the upper panel height H1: cross-sectional area of transverse bar 227 in middle panel height H2: cross-sectional area of the transverse bar 227 in the lower panel height H3 = 1: 0.75: 0.55; cross-sectional area of the vertical ribs 226 in the upper panel height H1: cross-sectional area of the vertical ribs 226 in the middle panel height H2: the cross-sectional area of the vertical ribs 226 in the lower panel height H3 = 1: 0.8: 0.65. the vertical ribs 226 can be realized by adopting a structure with gradually-changed sectional areas from top to bottom, and the grid with the gradually-changed structure is adopted for the rib grid area and the rib section, so that the reaction speed of the living objects 221 in the charging and discharging process is consistent, the local over-charging or over-discharging of the living objects 221 is avoided, the overall utilization rate of the living objects 221 is improved, the argillization of the living objects 221 can be effectively prevented, and the service life of the battery is finally prolonged.

As shown in fig. 7, the bus bar 21 includes a positive electrode horizontal row 2112 and a negative electrode horizontal row 2111, the tabs 222 on the positive electrode plates 22 in each cell group are connected in parallel through the positive electrode horizontal row 2112, the tabs 222 on the negative electrode plates 23 are connected in parallel through the negative electrode horizontal row 2111, the positive electrode horizontal row 2112 and the negative electrode horizontal row 2111 on the adjacent cell groups in the longitudinal direction are connected in series through the vertical row 212, the positive electrode horizontal row 2112 on one end in the longitudinal direction is connected to the end of the negative electrode horizontal row 2111, the positive electrode horizontal row 2112 and the negative electrode horizontal row 2111 on the other end in the longitudinal direction are respectively connected to a positive post 2132 and a negative post 2131, both the positive post 2132 and the negative post 2131 are connected to a terminal 4, and the current of the storage battery is output to an external load through the terminal 4.

As shown in fig. 10, 11, 12, 13, 14, 15, 16 and 17, the length and width of the upper cover 3 correspond to the length and width of the housing 1, respectively, a back groove 31 is provided on the upper surface of the upper cover 3 corresponding to the bus bar 21, a post cap 33 is provided on the upper surface of the upper cover 3 corresponding to the positive post 2132 and the negative post 2131, a row groove 35 corresponding to the back groove 31 is provided on the lower surface of the upper cover 3, the cross section of the row groove 35 is a second trapezoidal surface 36, a second rectangular surface 37 and a third trapezoidal surface 38 from top to bottom, one base angle of the third trapezoidal surface 38 is a large chamfer angle, so as to facilitate the backflow of the glue solution during capping, the cross sections of the positive transverse row 2112, the negative transverse row 2111 and the vertical row 212 are a first trapezoidal surface 214 for matching with the second trapezoidal surface 36 and a first rectangular surface 215 for matching with the second rectangular surface 37 from top to bottom, when integrally mounting, the bus bar 21 is just mounted in the row groove 35, the positive pole 2132 and the negative pole 2131 are also just arranged in the pole cap 33, the stability is high, when the cover is buckled to press the busbar 21 into the accommodating groove 35 filled with glue, the glue can quickly flow back to cover the busbar 21, the glue is not splashed outwards, the quality is ensured, and the glue consumption is saved to the maximum extent; a safety valve seat 32 is respectively arranged on the upper surface of the upper cover 3 between two adjacent horizontal rows of each single grid electrode group, a rubber cap 5 and a cover plate 6 are correspondingly arranged on the safety valve seat 32, the cover plate 6 is formed by injection molding of an ABS material, the rubber cap 5 is made of a rubber material and is matched with the cover plate 6 to play a role in controlling the pressure of an opening and closing valve; the protective cover 7 is a thin shell structure, the decorative carving part 71 can be arranged on the upper surface of the protective cover 7, the corresponding pole cap 33 on the protective cover 7 is provided with a pole exposing hole 72, so that the positive pole 2132, the negative pole 2131 and the wiring terminal 4 can extend out of the surface to facilitate the electrical connection of a load, the inner side wall of the protective cover 7 is provided with a buckle oblique protrusion 73, the upper cover 3 is provided with a buckle groove 34 corresponding to the buckle oblique protrusion 73, when the protective cover 7 is assembled on the upper cover 3, the buckle oblique protrusion 73 is just clamped into the buckle groove 34 to play a role of fixing the protective cover 7, and the operation is very convenient; be provided with utmost point post between two dew post holes 72 and cut off 75, can prevent that the short circuit phenomenon from appearing in carelessness to the lead-out wire on two binding post 4, be provided with a plurality of direction claws 74 on the inside wall of protecting cover 7, the setting of direction claw 74 can guarantee that protecting cover 7 is smooth to be gone into with the cooperation card of upper cover 3.

The accumulator produced by the combination has the advantages of light weight (less than 6.0 Kg/battery), high specific energy (up to 45 Wh/Kg), long service life (100% DOD can reach 400 times), simple production operation, low cost and neat and beautiful appearance.

Example 2:

the present embodiment 2 differs from embodiment 1 in that, among them, the upper plate height H1: middle plate height H2: lower plate height H3 is 1: 1.4: 1.2, the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of upper portion is upper lattice area S1, and the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of middle part is well lattice area S2, and the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of lower portion is lower lattice area S3, upper lattice area S1: middle lattice area S2: the lower grid area S3 is 1: 0.9: 0.5, the sectional area of the vertical bar 226 and the horizontal bar 227 in the upper plate height H1 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2, the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the lower plate height H3, and the sectional area ratio of each bar is as follows: cross-sectional area of the transverse bar 227 in the upper panel height H1: cross-sectional area of transverse bar 227 in middle panel height H2: cross-sectional area of the transverse bar 227 in the lower panel height H3 = 1: 0.85: 0.7; cross-sectional area of the vertical ribs 226 in the upper panel height H1: cross-sectional area of the vertical ribs 226 in the middle panel height H2: the cross-sectional area of the vertical ribs 226 in the lower panel height H3 = 1: 0.9: 0.85.

example 3:

the present embodiment 3 differs from the above-described embodiments in that the upper plate height H1: middle plate height H2: lower plate height H3 is 1: 1.3: 1.1, the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of upper portion is upper lattice area S1, and the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of middle part is middle lattice area S2, and the small lattice area that is enclosed by vertical muscle 226 and horizontal muscle 227 in the height part of lower portion is lower lattice area S3, upper lattice area S1: middle lattice area S2: the lower grid area S3 is 1: 0.8: 0.45, the sectional area of the vertical bar 226 and the horizontal bar 227 in the upper plate height H1 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2, the sectional area of the vertical bar 226 and the horizontal bar 227 in the middle plate height H2 is larger than the sectional area of the vertical bar 226 and the horizontal bar 227 in the lower plate height H3, and the ratio of the sectional areas of the bars is as follows: cross-sectional area of the transverse bar 227 in the upper panel height H1: cross-sectional area of transverse bar 227 in middle panel height H2: cross-sectional area of the transverse bar 227 in the lower panel height H3 = 1: 0.8: 0.6; cross-sectional area of the vertical ribs 226 in the upper panel height H1: cross-sectional area of the vertical ribs 226 in the middle panel height H2: the cross-sectional area of the vertical ribs 226 in the lower panel height H3 = 1: 0.85: 0.75.

it should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. The utility model provides a lead-acid storage battery, its characterized in that includes the upper end opening and has the casing of mounting groove, by the utmost point crowd that a plurality of single check utmost point crowd constitute and be used for assembling and conduction current's busbar, the mounting groove in vertically be provided with first check and keep off, the mounting groove in along transversely being provided with two second check and keep off, the both sides that first check kept off all be provided with first perpendicular muscle, two vertical lateral walls of mounting groove on all be provided with the second and erect the muscle, first check keep off and equally divide into a plurality of standing grooves with the mounting groove with the second check, the standing groove in the one-to-one installation single check utmost point crowd, utmost point crowd be connected with the busbar electricity, the casing on correspond the busbar and be provided with the upper cover, the upper cover be connected with the protecting cover.

2. The lead-acid storage battery of claim 1, wherein the upper edge of the periphery of the opening at the upper end of the casing is provided with an adhesive sealing edge.

3. The lead-acid battery as claimed in claim 1, wherein the single-cell groups include a positive electrode plate, a negative electrode plate and an AGM separator, and each single-cell group is formed by arranging the negative electrode plate + AGM separator + positive electrode plate + AGM separator + negative electrode plate + … … + AGM separator + positive electrode plate + AGM separator + negative electrode plate in this order.

4. A lead-acid storage battery as claimed in claim 3, wherein the positive and negative plates are both composed of active material and plate grid, the plate grid comprises an upper frame and a bottom frame, the two sides of the upper frame and the bottom frame are connected by side frames, vertical ribs and transverse ribs are arranged among the upper frame, the bottom frame and the side frames, and tabs are arranged on the upper frame.

5. The lead-acid battery of claim 4, wherein the grid is divided into three parts by height, namely an upper plate height, a middle plate height and a lower plate height, wherein the upper plate height is: the middle plate height: the lower plate height is 1: 1.2-1.4: 0.9-1.2, the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of upper portion is upper lattice area, and the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of middle part is well lattice area, and the small lattice area that is enclosed by perpendicular muscle and horizontal muscle in the height part of lower part is lower lattice area, upper lattice area: the area of the middle lattice: the area of the lower grid is 1: 0.7-0.9: 0.4-0.5, the sectional area of the vertical bar and the horizontal bar in the upper plate height is larger than the sectional area of the vertical bar and the horizontal bar in the middle plate height, the sectional area of the vertical bar and the horizontal bar in the middle plate height is larger than the sectional area of the vertical bar and the horizontal bar in the lower plate height, and the sectional area ratio of each bar is as follows: cross-sectional area of transverse bar in upper plate height: cross-sectional area of transverse bar in middle plate height: cross-sectional area of the transverse bar in the lower plate height = 1: 0.75-0.85: 0.55-0.7; sectional area of vertical rib in upper plate height: sectional area of vertical bar in middle plate height: the cross-sectional area of the vertical bar in the lower plate height = 1: 0.8-0.9: 0.65-0.85.

6. A lead-acid battery according to claim 4 or 5, characterized in that the busbar comprises a transverse positive row and a transverse negative row, the tabs of the positive plates in each single-grid group are connected in parallel through the transverse positive row, the tabs of the negative plates are connected in parallel through the transverse negative row, every two transverse positive rows and transverse negative rows in the adjacent single-grid groups in the longitudinal direction are connected in series through the vertical rows, the transverse positive row at one end furthest in the longitudinal direction is connected with the end of the transverse negative row, the transverse positive row and the transverse negative row at the other end furthest in the longitudinal direction are respectively connected with a positive pole column and a negative pole column, and the positive pole column and the negative pole column are respectively connected with a connecting terminal.

7. The lead-acid battery of claim 6, characterized in that, the upper surface of the upper cover is provided with a back groove corresponding to the bus bar, the upper surface of the upper cover is provided with a pole cap corresponding to the positive pole and the negative pole, the lower surface of the upper cover is provided with a row groove corresponding to the back groove, the cross section of the row groove is sequentially a second trapezoidal surface, a second rectangular surface and a third trapezoidal surface from top to bottom, and the cross sections of the positive pole transverse row, the negative pole transverse row and the vertical row are sequentially a first trapezoidal surface for matching with the second trapezoidal surface and a first rectangular surface for matching with the second rectangular surface from top to bottom.

8. A lead-acid storage battery as claimed in claim 7, wherein the protecting cover is provided with a post exposing hole corresponding to the post cap, the inner side wall of the protecting cover is provided with a fastener oblique projection, and the upper cover is provided with a fastener groove corresponding to the fastener oblique projection.