CN105244459A - Lead-acid storage battery and electric vehicle - Google Patents

Lead-acid storage battery and electric vehicle Download PDF

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Publication number
CN105244459A
CN105244459A CN201510628319.3A CN201510628319A CN105244459A CN 105244459 A CN105244459 A CN 105244459A CN 201510628319 A CN201510628319 A CN 201510628319A CN 105244459 A CN105244459 A CN 105244459A
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CN
China
Prior art keywords
connecting sheet
electric connecting
negative terminal
storage tank
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510628319.3A
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Chinese (zh)
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CN105244459B (en
Inventor
章晖
刘孝伟
王鹏伟
朱溢慧
马永泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chaowei Power Group Co Ltd
Original Assignee
Chaowei Power Supply Co Ltd
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Filing date
Publication date
Priority to CN201510190529.9A priority Critical patent/CN104882584A/en
Priority to CN2015101905299 priority
Application filed by Chaowei Power Supply Co Ltd filed Critical Chaowei Power Supply Co Ltd
Priority to CN201510628319.3A priority patent/CN105244459B/en
Publication of CN105244459A publication Critical patent/CN105244459A/en
Application granted granted Critical
Publication of CN105244459B publication Critical patent/CN105244459B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64Constructional details of batteries specially adapted for electric vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • H01M10/12Construction or manufacture
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147Lids or covers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147Lids or covers
    • H01M50/166Lids or covers characterised by the methods of assembling casings with lids
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183Sealing members
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/54Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H01M50/541Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a lead-acid storage battery and an electric vehicle, and aims at providing a lead-acid storage battery capable of simplifying package structures and package technologies for positive and negative terminals of a storage battery and improving the production efficiency. The lead-acid storage battery comprises a battery box body, a battery box cover, a pole plate, a busbar, the positive terminal and the negative terminal, wherein the battery box cover is used for sealing a port of the battery box body; the pole plate and the busbar are located in the battery box body; and the positive terminal and the negative terminal are electrically connected with the busbar and are located on the battery box body.

Description

A kind of lead acid accumulator and electric motor car
Technical field
The present invention relates to a kind of storage battery, be specifically related to a kind of lead acid accumulator and electric motor car.
Background technology
The mounting structure of the positive terminal in current lead acid accumulator or negative terminal (i.e. battery terminal) adopts following structure usually: as shown in Figure 8, the mounting structure of positive terminal comprises positive terminal 6, sealing ring 14, to be connected as a single entity anode post terminal guiding 16 and be arranged on the upper surface of battery case lid 2 and the terminal rubber groove 12 corresponding with anode post terminal guiding with bus-bar 3, and the bottom surface of terminal rubber groove is provided with sealing ring mounting groove 13; The bottom surface of sealing circle mounting groove is also provided with and dodges through hole 15, and anode post terminal guiding is positioned at terminal rubber groove through dodging through hole.
In current lead acid accumulator, the packaging technology of positive terminal or negative terminal is as follows: first need to be enclosed within by sealing ring on anode post terminal guiding or negative terminal post terminal guiding, and sealing ring is placed in sealing ring mounting groove, utilizes sealing ring will dodge through hole envelope and hides; Then, positive terminal or negative terminal are directly connected with the anode post terminal guiding in terminal rubber groove or negative terminal post terminal guiding by welding; Again then, in terminal rubber groove, inject casting glue, by the welding position embedding of positive and negative electrode terminal and positive and negative end post terminal guiding, thus the packaging technology of outside positive and negative electrode terminal.
On the other hand, in current lead acid accumulator, the packaging technology of positive terminal or negative terminal is carried out after battery case lid and battery box rubber seal.Battery case lid and battery box rubber seal technique inject casting glue in the glue groove of battery case lid, then by the port of battery box down be buckled on battery case lid, until casting glue solidification after complete battery case lid and battery box rubber seal.
In current lead acid accumulator, battery case lid cannot carry out with the packaging technology of positive terminal or negative terminal with the rubber seal technique of battery box in technique, they must be divided into the successively operation of twice technique, this not only adds processing step, reduce generation efficiency; And the encapsulating structure of current this kind of battery positive voltage terminal or negative terminal is complicated, complex operation, directly over the battery case being positioned at storage battery owing to dodging through hole, in order to avoid in terminal rubber groove during encapsulating, the casting glue in terminal rubber groove drops onto in the battery case of storage battery by anode post terminal guiding or negative terminal post terminal guiding and the gap of dodging between through hole; Thus needing by manually sealing ring being enclosed between positive and negative end post terminal guiding and sealing ring mounting groove before positive and negative electrode terminal welds with positive and negative end post terminal guiding, utilizing sealing ring will dodge through hole envelope and hiding.Because current this kind of battery positive voltage terminal or negative terminal need to install sealing ring in installation process, this not only adds installation procedure, and in actual production process, often produce operative employee's neglected loading sealing ring, or sealing ring is installed not in place, envelope hides and allows through hole completely, when causing encapsulating in terminal rubber groove, casting glue in terminal rubber groove is dropped onto in the battery case of storage battery by anode post terminal guiding or negative terminal post terminal guiding and the gap of dodging between through hole, affects the normal use of storage battery.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, providing a kind of and not only can simplify accumulator positive, the encapsulating structure of negative terminal and packaging technology; And technique completes together with the packaging technology of accumulator positive, negative terminal and battery case lid can being combined into battery box rubber seal technique, effectively simplify lead acid accumulator and produce processing step, the lead acid accumulator improving generation efficiency and electric motor car.
Technical scheme of the present invention is:
A kind of lead acid accumulator comprises battery box, for sealing the battery case lid of the port hiding battery box, be positioned at pole plate and the bus-bar of battery box, the positive terminal be electrically connected with bus-bar and negative terminal, described positive terminal and negative terminal are positioned on described battery box.
As preferably, also comprise anode electric connecting sheet and negative terminal electric connecting sheet, described positive terminal is electrically connected with bus-bar by described anode electric connecting sheet, and described negative terminal is electrically connected with bus-bar by described negative terminal electric connecting sheet.
As preferably, the port edge of battery case lid is provided with the anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank that protrude outward, and described anode electric connecting sheet and negative terminal electric connecting sheet lay respectively in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank.
As preferably, in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank, be respectively equipped with casting glue.
As preferably, the inner surface of battery case lid is provided with the bus-bar storage tank for holding bus-bar, and described anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are all connected with bus-bar storage tank, and described bus-bar storage tank is provided with casting glue.
As preferably, anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are positioned at outside the port of battery box.
As preferably, positive terminal, negative terminal, anode electric connecting sheet and negative terminal electric connecting sheet are arranged on the outer surface of described battery box.
As preferably, the outer surface of battery box is provided with anode location notch and negative terminal location notch, and one end of described positive terminal is positioned at described anode location notch, and one end of described negative terminal is positioned at described negative terminal location notch.
As preferably, positive terminal and negative terminal have center line, and described pole plate comprises plate face, and described center line is vertical with the plate face of described pole plate.
As preferably, the opening direction of the notch of anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank is identical with the opening direction of the notch of bus-bar storage tank.
A kind of electric motor car, comprises the lead acid accumulator in any one above-mentioned technical scheme.
The invention has the beneficial effects as follows:
The structure of lead acid accumulator of the present invention can simplify accumulator positive, the encapsulating structure of negative terminal and packaging technology, it does not need to need in the mounting structure as the positive and negative electrode terminal in existing storage battery arrange sealing ring mounting groove and arrange sealing ring installation procedure, sealing ring is enclosed within anode post terminal guiding or negative terminal post terminal guiding, and make sealing ring be placed in sealing ring mounting groove, utilize sealing ring will dodge through hole envelope to hide, avoid terminal rubber groove to communicate with the cell groove of battery container inside; Can drop onto in the battery case of storage battery by the casting glue effectively solved in terminal rubber groove, affect the problem that storage battery normally uses.The more important thing is, together with the packaging technology of accumulator positive, negative terminal and battery case lid can be combined into battery box rubber seal technique by this programme structure, technique completes, effective simplification lead acid accumulator produces processing step, improves generation efficiency, is extremely conducive to actual production and makes.
Accompanying drawing explanation
Fig. 1 is that the battery case lid of the lead acid accumulator of the embodiment of the present invention 1 closes at a kind of structural representation after on battery box.
Fig. 2 is a kind of planar structure schematic diagram of battery case lid of embodiments of the invention 1.
Fig. 3 is a kind of three-dimensional partial structurtes schematic diagram of battery case lid of embodiments of the invention 1.
Fig. 4 is a kind of structural representation after the battery case lid of the lead acid accumulator of embodiments of the invention 1 and battery box rubber seal.
Fig. 5 is a kind of partial structurtes schematic diagram of the lead acid accumulator of embodiments of the invention 2.
Fig. 6 is the partial enlarged drawing at A place in Fig. 5.
Fig. 7 is a kind of partial structurtes schematic diagram of the lead acid accumulator of embodiments of the invention 3.
Fig. 8 is a kind of partial structurtes schematic diagram of the mounting structure of the positive terminal of lead acid accumulator of the prior art.
In figure: battery box 1, battery case lid 2, bus-bar 3, anode electric connecting sheet 4, connecting through hole 41, helicla flute 42, anode electric connecting sheet storage tank 5a, negative terminal electric connecting sheet storage tank 5b, positive terminal 6, first positive pole cylinder 6a, second positive pole cylinder 6b, end plate 61, pretension Compress Spring 62, cylindrical hole 63, plunger 64, soldering tin material 65, annular groove 66, pod apertures 67, anode location notch 7, pole plate 8, bus-bar storage tank 9, enclosed slot 10, casting glue 11, terminal rubber groove 12, sealing ring mounting groove 13, sealing ring 14, dodge through hole 15, anode post terminal guiding 16.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of lead acid accumulator comprises battery box 1, for sealing the battery case lid 2 of the port hiding battery box, anode electric connecting sheet 4, negative terminal electric connecting sheet, bus-bar 3, the positive terminal 6 be electrically connected with bus-bar and negative terminal.The one end open of battery box.On battery case lid, towards the one end open of battery box.The inner surface of battery case lid is provided with the bus-bar storage tank 9 for holding bus-bar.The inner surface edge place of battery case lid is also provided with a circle for holding the enclosed slot 10 of the housing of battery box port edge, and this enclosed slot is connected with bus-bar.
As shown in Figure 2 and Figure 3, the port edge of battery case lid is provided with the anode electric connecting sheet storage tank 5a and negative terminal electric connecting sheet storage tank 5b that protrude outward.Anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are all connected with bus-bar storage tank, and anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are positioned at outside the port of battery box.The opening direction of the notch of anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank is identical with the opening direction of the notch of bus-bar storage tank, and the groove depth of anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank is identical with the groove depth of bus-bar storage tank.Anode electric connecting sheet is positioned at anode electric connecting sheet storage tank, and negative terminal electric connecting sheet lays respectively in negative terminal electric connecting sheet storage tank.
Positive terminal, negative terminal, anode electric connecting sheet and negative terminal electric connecting sheet are all arranged on the outer surface of battery box, and the port adjacent distributions (namely positive terminal, negative terminal, anode electric connecting sheet and negative terminal electric connecting sheet are all arranged on the lateral surface of battery box) of the outer surface of positive terminal, negative terminal, anode electric connecting sheet and negative terminal electric connecting sheet place battery box and battery box.Positive terminal and negative terminal are positioned at the same side of battery box.The outer surface of battery box is provided with anode location notch 7 and negative terminal location notch.One end of positive terminal is positioned at described anode location notch, and specifically, anode electric connecting sheet is provided with connecting through hole, and one end of positive terminal through the connecting through hole on anode electric connecting sheet, and is inserted in anode location notch.One end of negative terminal is positioned at described negative terminal location notch, and specifically, negative terminal electric connecting sheet is provided with connecting through hole, and one end of negative terminal through the connecting through hole on negative terminal electric connecting sheet, and is inserted in negative terminal location notch.
One end of anode electric connecting sheet is electrically connected with positive terminal, and the other end is electrically connected with bus-bar, and namely positive terminal is electrically connected with bus-bar by anode electric connecting sheet.Anode electric connecting sheet is connected with bus-bar and positive terminal by welding, and namely negative terminal is electrically connected with bus-bar by negative terminal electric connecting sheet.One end of negative terminal electric connecting sheet is electrically connected with negative terminal, and the other end is electrically connected with bus-bar.Negative terminal electric connecting sheet is connected with bus-bar and negative terminal by welding.Anode electric connecting sheet and negative terminal electric connecting sheet parallel with the pole plate in lead acid accumulator.Positive terminal and negative terminal are column, and in the present embodiment, positive terminal and negative terminal are cylindric.Pole plate in the center line of positive terminal and negative terminal and lead acid accumulator perpendicular (namely the center line of positive terminal and negative terminal and the plate area of pole plate perpendicular, wherein the plate face of pole plate refers to the side that in pole plate, area is larger).
As shown in Figure 4, bus-bar storage tank, is respectively equipped with casting glue 11 in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank, be specifically, bus-bar storage tank, enclosed slot, is equipped with casting glue in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank.When battery case lid closes at after on battery box, bus-bar is contained in bus-bar storage tank, and battery box port edge inserts in enclosed slot; Simultaneously, the end of the anode electric connecting sheet be electrically connected with bus-bar stretches in anode electric connecting sheet storage tank that (namely battery case lid closes at after on battery box, anode electric connecting sheet is positioned at anode electric connecting sheet storage tank), (namely battery case lid closes at after on battery box, and negative terminal electric connecting sheet lays respectively in negative terminal electric connecting sheet storage tank) in negative terminal electric connecting sheet storage tank is stretched in the negative terminal electric connecting sheet end be electrically connected with bus-bar.
In use, the pole plate 8 in lead acid accumulator is in level to lead acid accumulator in the present embodiment, and positive terminal and negative terminal are positioned on the outer end face of battery box.
The packaging technology of the positive and negative electrode terminal of the lead acid accumulator of the present embodiment and battery case lid and battery box rubber seal technique as follows:
First, the port of battery case lid is placed upward, and at bus-bar storage tank, enclosed slot, injects casting glue in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank;
Then, by battery box port being buckled on cell cover down, and make bus-bar be contained in bus-bar storage tank, battery box port edge inserts in enclosed slot; Meanwhile, the end of the anode electric connecting sheet be electrically connected with bus-bar is stretched in anode electric connecting sheet storage tank, and the negative terminal electric connecting sheet end be electrically connected with bus-bar is stretched in negative terminal electric connecting sheet storage tank;
As shown in Figure 4, when after casting glue solidification: the rubber seal that the casting glue in enclosed slot will complete between battery case lid and battery box port; Casting glue in bus-bar storage tank is by embedding bus-bar; The anode that embedding is connected with bus-bar by the casting glue simultaneously in anode and negative terminal electric connecting sheet storage tank and negative terminal electric connecting sheet; Thus technique completes together with the packaging technology of accumulator positive, negative terminal and battery case lid being combined into battery box rubber seal technique, effectively simplify lead acid accumulator and produce processing step, improve generation efficiency.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 5, Figure 6, positive terminal 6 is in cylindric, and positive terminal is stepped.Positive terminal has the first positive pole cylinder 6a of coaxial setting and the second positive pole cylinder 6b to form, and the diameter of the first positive pole cylinder is greater than the diameter of the second positive pole cylinder.Connecting through hole 41 on anode electric connecting sheet 4 is circular hole.The medial surface of the connecting through hole on anode electric connecting sheet is provided with helicla flute 42, and this spiral fluted closed at both ends.One end of positive terminal through the connecting through hole on anode electric connecting sheet, and is inserted in anode location notch; Specifically, the second positive pole cylinder through the connecting through hole on anode electric connecting sheet, and inserts in anode location notch, and the end face of the first positive pole cylinder is resisted against on anode electric connecting sheet.The lateral surface of positive terminal is provided with annular groove 66, and specifically, the lateral surface of the second positive pole cylinder is provided with annular groove.This annular groove is between the two-port of connecting through hole, and this annular groove is near the first positive pole cylinder.
One end Middle face of positive terminal is provided with cylindrical hole 63.The lower end closed of cylindrical hole.Some pod apertures 67 are provided with in positive terminal.The inner of this pod apertures communicates with cylindrical hole, and the inner of pod apertures is bottom cylindrical hole.The outer end of pod apertures communicates with annular groove.Be provided with soldering tin material 65 successively in the cylindrical hole of positive terminal, plunger 64, pretension Compress Spring 62 and end plate 61, and end plate is near cylindrical hole port, soldering tin material is bottom cylindrical hole.End plate is fixed in cylindrical hole.Plunger can slide along cylindrical hole.The difference of the diameter of cylindrical hole and the diameter of plunger is 0.01 millimeter or 0.02 millimeter or 0.03 millimeter or 0.04 millimeter or 0.05 millimeter.One end of pretension Compress Spring is resisted against on end plate, and the other end is resisted against on plunger.
Negative terminal is cylindric, and negative terminal is stepped.Negative terminal has the first negative pole cylinder of coaxial setting and the second negative pole cylinder to form, and the diameter of the first negative pole cylinder is greater than the diameter of the second negative pole cylinder.Connecting through hole on negative terminal electric connecting sheet is circular hole.On the medial surface of the connecting through hole on negative terminal electric connecting sheet, leaf is provided with helicla flute, and this spiral fluted closed at both ends.One end of negative terminal through the connecting through hole on negative terminal electric connecting sheet, and is inserted in negative terminal location notch; Specifically, the second negative pole cylinder through the connecting through hole on negative terminal electric connecting sheet, and inserts in negative terminal location notch, and the end face of the first negative pole cylinder is resisted against on negative terminal electric connecting sheet.The lateral surface of negative terminal is also provided with annular groove, and specifically, the lateral surface of the second negative pole cylinder is provided with annular groove.This annular groove is between the two-port of connecting through hole, and this annular groove is near the first negative pole cylinder.
One end Middle face of negative terminal is also provided with cylindrical hole.The lower end closed of cylindrical hole.Some pod apertures are provided with in negative terminal.The inner of this pod apertures communicates with cylindrical hole, and the inner of pod apertures is bottom cylindrical hole.The outer end of pod apertures communicates with annular groove.Be provided with soldering tin material successively in the cylindrical hole of negative terminal, plunger, pretension Compress Spring and end plate, and end plate is near cylindrical hole port, soldering tin material is bottom cylindrical hole.End plate is fixed in cylindrical hole.Plunger can slide along cylindrical hole.The difference of the diameter of cylindrical hole and the diameter of plunger is between 0.01 millimeter to 0.05 millimeter.One end of pretension Compress Spring is resisted against on end plate, and the other end is resisted against on plunger.
Positive terminal in this enforcement, anode electric connecting sheet, negative terminal, negative terminal electric connecting sheet, each plunger, the fusing point of the material of pretension Compress Spring and end plate is all greater than the fusing point of soldering tin material.
The positive/negative terminal of this enforcement with positive/negative end electric connecting sheet when welding: by heating the mode of positive/negative terminal, the soldering tin material in cylindrical hole is melted; When after soldering tin material fusing, to soldering tin material pressurization under the effect of pretension Compress Spring and plunger, thus the soldering tin material of fusing in cylindrical hole is made to flow into annular groove by pod apertures; Then, carried out the soldering tin material of water conservancy diversion fusing by helicla flute, soldering tin material is distributed between connecting through hole inwall and positive/negative terminal uniformly, and is covered with the gap between connecting through hole inwall and positive/negative terminal; Thus reliable electric connection structure is formed between positive/negative terminal and positive/negative end electric connecting sheet, and compared with common welding, it can increase the effective conductive area between positive/negative terminal and positive/negative end electric connecting sheet greatly, thus effectively solve and between positive/negative terminal and positive/negative end electric connecting sheet, produce calcination phenomenon in big current charge/discharge process and not only affect accumulator quality, and there is the problem of serious potential safety hazard.
Embodiment 3: all the other structures of the present embodiment are with reference to embodiment 1 or embodiment 2, and its difference is:
As shown in Figure 7, in use, the pole plate 8 in lead acid accumulator is in vertical state to the lead acid accumulator in the present embodiment, and positive terminal and negative terminal are positioned on the lateral surface of battery box.
Embodiment 4: present embodiments provide a kind of electric motor car, this electric motor car comprises the lead acid accumulator in embodiment 1 or embodiment 2 or embodiment 3 in any one embodiment.

Claims (11)

1. a lead acid accumulator, comprises battery box, for sealing the battery case lid of the port hiding battery box, be positioned at pole plate and the bus-bar of battery box, the positive terminal be electrically connected with bus-bar and negative terminal, is characterized in that, described positive terminal and negative terminal are positioned on described battery box.
2. a kind of lead acid accumulator according to claim 1, it is characterized in that, also comprise anode electric connecting sheet and negative terminal electric connecting sheet, described positive terminal is electrically connected with bus-bar by described anode electric connecting sheet, and described negative terminal is electrically connected with bus-bar by described negative terminal electric connecting sheet.
3. a kind of lead acid accumulator according to claim 2, it is characterized in that, the port edge of described battery case lid is provided with the anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank that protrude outward, and described anode electric connecting sheet and negative terminal electric connecting sheet lay respectively in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank.
4. a kind of lead acid accumulator according to claim 3, is characterized in that, is respectively equipped with casting glue in anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank.
5. a kind of lead acid accumulator according to claim 4, it is characterized in that, the inner surface of described battery case lid is provided with the bus-bar storage tank for holding bus-bar, described anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are all connected with bus-bar storage tank, and described bus-bar storage tank is provided with casting glue.
6. a kind of lead acid accumulator according to claim 3-5 any one, is characterized in that, described anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank are positioned at outside the port of battery box.
7. a kind of lead acid accumulator according to claim 2-5 any one, is characterized in that, described positive terminal, negative terminal, anode electric connecting sheet and negative terminal electric connecting sheet are arranged on the outer surface of described battery box.
8. a kind of lead acid accumulator according to claim 1-5 any one, it is characterized in that, the outer surface of described battery box is provided with anode location notch and negative terminal location notch, one end of described positive terminal is positioned at described anode location notch, and one end of described negative terminal is positioned at described negative terminal location notch.
9. a kind of lead acid accumulator according to claim 1-5 any one, it is characterized in that, described positive terminal and negative terminal have center line, described pole plate comprises plate face, and described center line is vertical with the plate face of described pole plate.
10. a kind of lead acid accumulator according to claim 1-5 any one, is characterized in that, the opening direction of the notch of described anode electric connecting sheet storage tank and negative terminal electric connecting sheet storage tank is identical with the opening direction of the notch of bus-bar storage tank.
11. 1 kinds of electric motor cars, is characterized in that: the lead acid accumulator described in any one of use claim 1-10.
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CN104882584A (en) 2015-09-02
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CN106067564A (en) 2016-11-02

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