CN107799712A

CN107799712A - Secondary cell

Info

Publication number: CN107799712A
Application number: CN201610803864.6A
Authority: CN
Inventors: 丁朝阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-06
Filing date: 2016-09-06
Publication date: 2018-03-13

Abstract

The invention discloses a kind of secondary cell, include a shell, one top cover, one the first terminal, one Second terminal and an electricity accumulating unit, wherein, the box-like housing that shell is made of metal, top cover electrically connects located at housing top end and with shell, the first terminal and Second terminal are respectively arranged on top cover, insulation is formed between the first terminal and top cover, Second terminal electrically connects with top cover, electricity accumulating unit by multiple battery core packs into, for accumulating electric power, each battery sets one first lug and one second lug respectively at top, first lug and the second lug are different electrode each other, each first lug welds with the first terminal respectively, each second lug welds with Second terminal respectively；Two conductive plates are respectively arranged on electricity accumulating unit both sides, one insulation sleeve is sheathed in shell, electricity accumulating unit and each conductive plate are in insulation sleeve, and each conductive plate is adjacent with the both sides inside insulation sleeve respectively, one the 3rd lug is protruded on the top of each conductive plate respectively, the first terminal both sides two lugs of projection separately down.

Description

Secondary cell

Technical field

The present invention relates to it is a kind of can charge/discharge repeatedly battery, furthermore, espespecially one kind is by extraneous metallic foreign body , can the short-circuit secondary cell for discharging electric power, avoiding personnel from getting an electric shock during puncture.

Background technology

Secondary cell mainly includes a housing, a top cover and an electricity accumulating unit, and housing tip forms an opening, and top cover is located at The opening of housing, top cover have a first terminal and a Second terminal, and electricity accumulating unit and electrolyte solution are located inside lower house, Electricity accumulating unit is into for accumulating electric power, each battery top sets one first lug by the extremely multiple battery core packs not waited And one second lug, the first lug and the second lug are different electrode each other, when the first lug is the positive pole of battery, Two lugs are the negative poles of battery, and when the first lug is the negative pole of battery, the second lug is the positive pole of battery, each battery First lug of core welds with the first terminal respectively, and the second lug of each battery welds with Second terminal respectively, each battery Pass through the first terminal and Second terminal charge/discharge.

Secondary cell can apply as automobile, locomotive or other be used as the startup of the mobile carrier of power resources electric using electric power Pond or electrokinetic cell, if the accident such as shock or rolling occurs for automobile, locomotive or other mobile carriers, easily cause automobile, machine The breakage of the shell or internal magnetic element of car or other mobile carriers and the metal puncture thing formed with sharpened edge, metal puncture If thing pierce through secondary cell housing and be pierced into battery, battery accumulation electric power will by metal puncture logistics to automobile, Locomotive or other mobile carriers simultaneously form current loop, easily cause driving or the passenger of automobile, locomotive or other mobile carriers Get an electric shock, being intended to rescue the personnel of driving or passenger also has the risk of electric shock.

The content of the invention

Present invention is primarily aimed at a kind of secondary cell is provided, by the design of uniqueness, metallic foreign body is enabled to pierce When entering battery, short circuit is formed between the both positive and negative polarity of battery, battery is discharged and consumes the electric power of battery accumulation, to keep away Exempt from personnel's accidental shock.

In order to achieve the above object, the invention provides a kind of secondary cell, a shell, a top cover, a first end are included Son, a Second terminal and an electricity accumulating unit, wherein, wherein, the box-like housing that shell is made of metal, housing top end forms one and opened Mouthful, top cover is located at the opening of housing top end and electrically connected with shell, and the first terminal and Second terminal are respectively arranged on top cover, and first Insulation is formed between terminal and top cover, Second terminal electrically connects with top cover, and electricity accumulating unit is by multiple battery core packs into for accumulating Electric power, each battery set one first lug and one second lug respectively at top, and the first lug is with the second lug each other to be different Electrode, each first lug welds with the first terminal respectively, and each second lug welds with Second terminal respectively, and each battery passes through The first terminal and Second terminal charge/discharge；Wherein：

Two conductive plates are respectively arranged on electricity accumulating unit both sides, and an insulation sleeve is sheathed in shell, and the insulation sleeve is insulation material Expect the box-like housing formed, electricity accumulating unit and each conductive plate in insulation sleeve, and each conductive plate respectively with inside insulation sleeve Both sides are adjacent, and one the 3rd lug is protruded on the top of each conductive plate respectively, the first terminal both sides two lugs of projection separately down, respectively 3rd lug of conductive plate is mutually leaned on and welded with each lug respectively, and each conductive plate is electrically connected by the 3rd lug with the first terminal respectively Connect.

Brief description of the drawings

Fig. 1 is the stereogram of the embodiment of the present invention；

Fig. 2 is the perspective exploded view of the embodiment of the present invention；

Fig. 3 is the stereogram of the first terminal of the embodiment of the present invention；

Fig. 4 be the embodiment of the present invention the first terminal and two conductive plates the 3rd lug schematic cross-sectional view.

Description of reference numerals：1- shells；11- is open；2- top covers；3- the first terminals；31- lugs；4- Second terminals；5- stores Electric unit；51- batteries；The lugs of 52- first；The lugs of 53- second；6- conductive plates；The lugs of 61- the 3rd；7- insulation sleeves.

Embodiment

As shown in Figures 1 and 2, the embodiment of secondary cell provided by the invention, a shell 1, a top cover 2,1 are included One terminal 3, a Second terminal 4, an electricity accumulating unit 5, two conductive plates 6 and an insulation sleeve 7, wherein, the box that shell 1 is made of metal Shape housing, the top of shell 1 form an opening 11, and top cover 2 is located at the opening 11 on the top of shell 1 and electrically connected with shell 1, first end Son 3 and Second terminal 4 are respectively arranged on top cover 2, and insulation is formed between the first terminal 3 and top cover 2, Second terminal 4 and the shape of top cover 2 Into electrical connection, electricity accumulating unit 5 is made up of multiple batteries 51, and for accumulating electric power, each battery 51 sets one respectively at top One lug 52 and one second lug 53, the first lug 52 and the second lug 53 are different electrode each other, when the first lug 52 is During the positive pole of battery 51, the second lug 53 is the negative pole of battery 52, when the first lug 52 is the negative pole of battery 51, the Two lugs 53 are the positive poles of battery 51, and each first lug 52 welds with the first terminal 3 respectively, and each second lug 53 is respectively with Two-terminal 4 welds, and each battery 51 passes through the first terminal 52 and the charge/discharge of Second terminal 53.

Previous housings 1, top cover 2, the first terminal 3, composition and the existing secondary cell of Second terminal 4 and electricity accumulating unit 5 It is identical.

Each conductive plate 6 is the plate body of copper material shaping respectively, and each conductive plate 6 is respectively arranged on the both sides of electricity accumulating unit 5, insulation sleeve 7 It is the box-like housing that insulating materials is formed, insulation sleeve 7 is sheathed in shell 1, and electricity accumulating unit 5 and each conductive plate 6 are located at insulation sleeve 7 It is interior, and each conductive plate 6 is adjacent with the both sides inside insulation sleeve 7 respectively, one the 3rd lug is protruded on the top of each conductive plate 6 respectively 61, shown as shown in Figure 2, Figure 3 and Figure 4, the both sides of the first terminal 3 two lugs 31 of projection separately down, the 3rd lug of each conductive plate 6 61 lean on and weld with each phase of lug 31 respectively, so that each conductive plate 6 is electrically connected by the 3rd lug 61 with the first terminal 3 respectively.

When external metal puncture thing puncture shell 1 and insulation sleeve 7 and battery 51 is pierced into, battery 51, the first lug 52nd, the first terminal 3, conductive plate 6, metal puncture thing, shell 1, top cover 2, the lug 53 of Second terminal 4 and second form electric power and returned Road, short circuit is formed between the both positive and negative polarity of battery 51, battery 51 is discharged and consume the electric power of the accumulation of battery 51, avoid people Member's accidental shock.

Claims

1. a kind of secondary cell, comprising a shell, a top cover, a first terminal, a Second terminal and an electricity accumulating unit, wherein, The box-like housing that shell is made of metal, housing top end formed one opening, top cover located at housing top end opening and with shell electricity Connection, the first terminal and Second terminal are respectively arranged on top cover, and insulation is formed between the first terminal and top cover, Second terminal and top Lid electrical connection, electricity accumulating unit is by multiple battery core packs into for accumulating electric power, each battery sets one first lug respectively at top And one second lug, the first lug and the second lug are different electrode each other, and each first lug welds with the first terminal respectively, Each second lug welds with Second terminal respectively, and each battery passes through the first terminal and Second terminal charge/discharge；Its feature exists In：

Two conductive plates are respectively arranged on electricity accumulating unit both sides, and an insulation sleeve is sheathed in shell, and the insulation sleeve is insulating materials structure Into box-like housing, electricity accumulating unit and each conductive plate in insulation sleeve, and each conductive plate respectively with the both sides inside insulation sleeve Adjacent, one the 3rd lug is protruded on the top of each conductive plate respectively, the first terminal both sides two lugs of projection separately down, each conduction 3rd lug of plate is mutually leaned on and welded with each lug respectively, and each conductive plate is electrically connected by the 3rd lug with the first terminal respectively.