CN206893681U

CN206893681U - Safety anti-explosive battery

Info

Publication number: CN206893681U
Application number: CN201720801086.7U
Authority: CN
Inventors: 吴伟楼
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-04
Filing date: 2017-07-04
Publication date: 2018-01-16
Anticipated expiration: 2027-07-04

Abstract

The utility model discloses a kind of safety anti-explosive battery, including：Battery container, battery cover, positive plate and negative plate, anode ear and negative electrode lug, and pcb board and first partition in closing space；Holding part formed with accommodating battery core in battery container；Positive plate and negative plate electrically connect with battery core；First partition has the hole position of accommodating pressure release component；Pcb board has protection circuit；Pressure release component includes cock body, the stage clip being set on cock body and the first contact for being arranged at cock body end, cock body and electrically connected by first partition with battery container；Pcb board electrically connects with anode ear, and the position of corresponding first contact of pcb board is provided with the second contact；When cock body moves, the first contact can activate the protection circuit on pcb board with the second contact.The utility model can realize that gas caused by timely pressure release holding part avoids exploding, and can remind user, to improve the security performance of battery.

Description

Safety anti-explosive battery

Technical field

It the utility model is related to cell art, more particularly to a kind of safety anti-explosive battery.

Background technology

At present, cell safety explosion-protection equipment mainly takes following two modes：First, increase explosion-proof line on battery；Second, Increase relief valve on battery.Battery with explosion-proof line is that pressing equipment punching press impression, impression position are used on battery container Thickness it is relatively thin with respect to the other positions of housing, formed low stress.When cell internal pressure exceedes certain limit, low stress impression Broken discharges pressure, avoids battery explosion.Battery with relief valve is that sheet metal is provided with battery container, works as electricity Relief valve can be broken through leak pressure in time when pond internal pressure is excessive, avoid battery explosion.Just carry the battery of relief valve For, it can be made higher compared with the battery with explosion-proof line in pressure-resistant precision aspect, and anti-explosion safety characteristic is some higher, so And it easily causes leaking for inside battery material in pressure release, and cause the pollution and damage of outside batteries equipment.

In view of this, it is necessary to which current battery structure is further improved for proposition.

Utility model content

To solve an above-mentioned at least technical problem, main purpose of the present utility model is to provide a kind of safety anti-explosive battery.

To achieve the above object, the technical scheme that the utility model uses for：A kind of safety anti-explosive battery is provided, wrapped Include：

Battery container, the interior holding part formed with accommodating battery core of the battery container；

Battery cover, the battery cover are covered on battery container and surround closing space with battery container；

Positive plate and negative plate, the positive plate and negative plate electrically connect with battery core；

Anode ear and negative electrode lug, one end of the anode ear electrically connect with positive plate, the other end and battery cover of anode ear Positive pole electrical connection on body；One end of the negative electrode lug electrically connects with negative plate, the other end of negative electrode lug and bearing for battery container Pole electrically connects, and the safety anti-explosive battery also includes：Pcb board and first partition in closing space, the first partition Hole position with accommodating pressure release component；Pcb board has protection circuit；

The pressure release component includes cock body, the stage clip being set on cock body and the first contact for being arranged at cock body end, institute Cock body is stated to electrically connect with battery container by first partition；The pcb board electrically connects with anode ear, and pcb board corresponding first touches The position of point is provided with the second contact；When cock body moves, the first contact can activate the guarantor on pcb board with the second contact Protection circuit.

In a specific embodiment, the loudspeaker unit electrically connected with protection circuit is provided with the pcb board or LED is mono- Member, to be sounded the alarm when activating pcb board or LED lamplight.

In a specific embodiment, the cock body is set towards the direction of battery cover in wide-mouth shape, and the hole position is close The direction of battery cover is relative to be extended with abutting block, and the both ends of the stage clip, which are connected to, to abut between block and cock body outer rim.

In a specific embodiment, the battery cover is additionally provided with a steam vent.

In a specific embodiment, the battery container is threadedly coupled with battery cover.

The technical solution of the utility model mainly includes pcb board and pressure release component with protection circuit, the pressure release component Including cock body, the stage clip being set on cock body and the first contact for being arranged at cock body end, exceed setting in battery core internal pressure During value, cock body moves towards the direction of battery cover, compression press spring, the first contact is made electrical contact with the second contact, to activate pcb board The protection circuit pressure inside pressure release simultaneously, reach the purpose of anti-explosion safety；And when internally pressure reduces, stage clip recovers shape Become, cock body moves down, and makes the first contact and the second contact separation, to avoid internal gas from continuing to leak.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the diagrammatic cross-section of the safety anti-explosive battery of the embodiment of the utility model one；

Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

It is to be appreciated that the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, and can not manage Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme With reference to occurring conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the utility model It is required that protection domain within.

Referring to Fig.1 and 2, in the utility model embodiment, the safety anti-explosive battery, including：

Battery container 102, the interior holding part formed with accommodating battery core of the battery container 102；

Battery cover 103, the battery cover 103 are covered on battery container 102 and surround closing with battery container 102 Space；

Positive plate 112 and negative plate 122, the positive plate 112 and negative plate 122 electrically connect with battery core；

Anode ear 111 and negative electrode lug 121, one end of the anode ear 111 electrically connect with positive plate 112, anode ear 111 The other end electrically connects with the positive pole 101 on battery cover 103；One end of the negative electrode lug 121 electrically connects with negative plate 122, bears The other end of lug 121 electrically connects with the negative pole of battery container 102, and the safety anti-explosive battery also includes：Positioned at closing space Interior pcb board 130 and first partition 120, the first partition 120 have the hole position of accommodating pressure release component 140；Pcb board 130 has There is protection circuit；

The pressure release component 140 includes cock body 141, the stage clip 142 being set on cock body 141 and is arranged at the end of cock body 141 First contact 143 in portion, the cock body 141 are electrically connected by first partition 120 with battery container 102；The pcb board 130 with Anode ear 111 electrically connects, and the position of corresponding first contact 143 of pcb board 130 is provided with the second contact 131；Transported in cock body 141 When dynamic, the first contact 143 can activate the protection circuit on pcb board 130 with the second contact.

In the present embodiment, a steam vent 104 is additionally provided with the battery cover 103, for inside and outside gas interaction, it is necessary to To point out, the aperture of the steam vent 104 is small, when only the gas in the closing space of battery container 102 reaches appropriate pressure, Just the gas in battery container 102 is discharged.Further, the battery container 102 is threadedly coupled with battery cover 103, with Improve the fastness that battery container 102 is connected with battery cover 103.

In the present embodiment, the group number of negative plate 122 and negative electrode lug 121 is at least two groups, two negative electrode lugs 121 respectively with battery Housing 102 is electrically connected, and in order to improve the stability of electric connection, the of carrying negative electrode lug 121 is additionally provided with battery container 102 Two dividing plates 110.

In the present embodiment, the battery core in battery can also change electrolyte into, corresponding, and the battery that this programme adapts to is lithium electricity Pond or battery etc..

The technical solution of the utility model mainly includes pcb board 130 and pressure release component 140 with protection circuit, and this is let out Pressure component 140 includes cock body 141, the stage clip 142 being set on cock body 141 and the first contact for being arranged at the end of cock body 141 143, when battery core internal pressure exceedes setting value, cock body 141 moves towards the direction of battery cover 103, compression press spring 142, makes First contact 143 makes electrical contact with the second contact 131, to activate the pressure inside the pressure release simultaneously of the protection circuit of pcb board 130, reaches To the purpose of anti-explosion safety；And when internally pressure reduces, stage clip 142 recovers deformation, and cock body 141 moves down, and makes the first contact 143 Separated with the second contact 131, to avoid internal gas from continuing to leak.

Continue referring to figure, 1, in a specific embodiment, it is provided with the pcb board 130 and is electrically connected with protection circuit The loudspeaker unit or LED unit connect, to be sounded the alarm when activating pcb board 130 or LED lamplight.In the present embodiment, pass through police The attention that report sound or LED lamplight may remind the user that, to improve the safe to use of battery.

Fig. 2 is refer to, in a specific embodiment, the cock body 141 is set towards the direction of battery cover 103 in wide-mouth shape Put, the hole position is extended with abutting block relatively close to the direction of battery cover 103, and the both ends of the stage clip 142 are connected to abutting Between block and the outer rim of cock body 141.In the present embodiment, pressure that the motion of cock body 141 is depended primarily in battery container 102 it is big Small, when pressure is big, cock body 141 moves towards the direction of battery cover 103, and pressure hour, cock body 141 does not move or towards battery cover 103 opposite direction motion.It should be understood that the first contact 143 and the second contact 131 can be the ways of contact of metal clips, The contact form of salient point can also be used.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims

1. a kind of safety anti-explosive battery, including：

Anode ear and negative electrode lug, one end of the anode ear electrically connect with positive plate, on the other end and battery cover of anode ear Positive pole electrical connection；One end of the negative electrode lug electrically connects with negative plate, the other end of negative electrode lug and the negative electricity of battery container Connection, it is characterised in that the safety anti-explosive battery also includes：Pcb board and first partition in closing space, described One dividing plate has the hole position of accommodating pressure release component；Pcb board has protection circuit；

The pressure release component includes cock body, the stage clip being set on cock body and the first contact for being arranged at cock body end, the plug Body is electrically connected by first partition with battery container；The pcb board electrically connects with anode ear, and corresponding first contact of pcb board Position is provided with the second contact；When cock body moves, the first contact can activate the protection electricity on pcb board with the second contact Road.

2. safety anti-explosive battery as claimed in claim 1, it is characterised in that be provided with the pcb board and protection circuit electricity The loudspeaker unit or LED unit of connection, to be sounded the alarm when activating pcb board or LED lamplight.

3. safety anti-explosive battery as claimed in claim 1, it is characterised in that the cock body towards the direction of battery cover be in wide-mouth Shape is set, and the hole position is extended with abutting block relatively close to the direction of battery cover, and the both ends of the stage clip are connected to abutting block Between cock body outer rim.

4. safety anti-explosive battery as claimed in claim 1, it is characterised in that the battery cover is additionally provided with a steam vent.

5. safety anti-explosive battery as claimed in claim 1, it is characterised in that the battery container connects with battery cover screw thread Connect.