CN207800730U - A kind of lithium battery group isolation structure - Google Patents

Abstract

The utility model provides a kind of lithium battery group isolation structure, it includes the isolation framework being square, the isolation framework is equipped with the battery holding cavity through its upper and lower end face, the two relative side that framework is isolated is equipped with several ventilation holes, and the upper surface that framework is isolated is respectively equipped with positive terminal and negative terminal, the negative terminal is connected with the conductive sheet for extending to battery holding cavity bottom centre through the bottom end of the upper and lower end face of isolation framework and negative terminal, and the positive terminal periphery is equipped with screw thread and is connect with the conductive sheet that may extend to battery holding cavity top center through screw thread；It is using being arranged structure of rectangular isolation framework to overcome the defect for not forming good location between prior art adjacent monomer lithium battery, individually isolation can be realized to each single battery, to reduce influencing each other between neighboring unit cell, the property safe and reliable to operation of lithium battery group is improved, and can effectively extend the service life of equipment；It is widely used in lithium battery group production and matches.

Description

A kind of lithium battery group isolation structure

Technical field

The utility model is related to lithium battery equipment more particularly to a kind of lithium battery group isolation structures.

Background technology

In recent years, with rapid proliferations such as portable electronics, household small electric appliance, electric tools, lithium battery due to capacity is big, Have extended cycle life, memory-less effect, low and environmentally protective self-discharge rate the advantages that, become many chargeable electronic electric products Power resources.

In the prior art, the capacity and voltage of single lithium battery have been unable to meet requirement, and being in the case of more will be more A single lithium battery carries out serial or parallel connection, and the positive or negative pole of two neighboring single lithium battery is mutually in direct contact and conduction connects It connects to form lithium battery group, this kind of structure be not since single lithium battery forms good positioning between each other, often because slight Vibration causes the connection line between single lithium battery to get loose and generate failure, while when one of single lithium battery is sent out Raw damage or explosion time are big to the safety hazard of other adjacent cells.

Invention content

For the above situation, the purpose of this utility model is to provide a kind of lithium battery group isolation structures, it is using setting The structure of rectangular isolation framework is to overcome the defect for not forming good location between prior art adjacent monomer lithium battery, energy Each single battery is individually isolated in realization, and the connection between adjacent monomer lithium battery is safe and reliable, can effectively extend lithium The service life of battery pack, overall structure is scientific and reasonable, simple and compact, easy to install and use, wide market, convenient for pushing away It is wide to use.

To achieve the goals above, a kind of lithium battery group isolation structure, it includes the isolation framework being square, the isolation Framework is equipped with the battery holding cavity through its upper and lower end face, and the two relative side of the isolation framework is equipped with several ventilation holes, and every Upper surface from framework is respectively equipped with positive terminal and negative terminal, and the negative terminal is through the upper and lower end face of isolation framework and negative terminal Bottom end be connected with the conductive sheet for extending to battery holding cavity bottom centre, the positive terminal periphery be equipped with screw thread and through screw thread with It may extend to the conductive sheet connection at battery holding cavity top center.

In order to realize that structure, effect optimization, further step be：The positive terminal and negative terminal be symmetrically distributed in every Two diagonal angles from framework upper surface.

The battery holding cavity inner surface of the isolation framework is equipped with the groove through isolation framework upper and lower end face.

The groove is two and is symmetrically distributed in the opposite sides of battery holding cavity inner surface.

Several ventilation holes are in the netted two relative side for being uniformly distributed in isolation framework.

The utility model compared with prior art caused by advantageous effect：

(I) the utility model can carry out single battery independent using the structure for setting battery holding cavity in rectangular isolation framework Isolation can reduce influencing each other between neighboring unit cell, and improve the whole anti-seismic performance of lithium battery group, operational safety Reliably, the service life of equipment can effectively be extended；

(II) the utility model is equipped with the structure of several ventilation holes using the two relative side of isolation framework, and monomer can be made electric Pond forms heat dissipation gap with being isolated between framework, and the heat generated when effectively lithium battery can work distributes, to reduce The internal temperature of lithium battery significantly improves the service life of lithium battery；

(III) in the utility model positive terminal using be threadedly coupled conductive sheet, by rotating conductive film can realize positive terminal with What is be electrically connected between lithium battery anode is turned on or off, and to facilitate the installation and removal of single lithium battery, advantageously reduces fortune Row cost and maintenance cost；

(IV) the utility model overcomes prior art adjacent monomer lithium electric using the structure that rectangular isolation framework is arranged The defect of good location is not formed between pond, individually isolation can be realized to each single battery, to reduce adjacent monomer electricity Influencing each other between pond improves the property safe and reliable to operation of lithium battery group, and can effectively extend the service life of equipment, whole Body is scientific and reasonable for structure, simple and compact, easy to install and use, has significant economic benefit and social benefit.

The utility model is widely used in lithium battery group production and matches.

The utility model is described in further detail with reference to the accompanying drawings and examples.

Description of the drawings

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the vertical view of the utility model.

In figure：Framework is isolated in 1- negative terminals, 2-, and 21- ventilation holes, 22- battery holding cavities, 221- grooves, 3- conductive sheets, 4- is just Pole.

Specific implementation mode

Referring to Fig.1~Fig. 2, the utility model is realized in this way：A kind of lithium battery group isolation structure, it includes being square Isolation framework 2, the isolation framework 2 is equipped with the battery holding cavity 22 through its upper and lower end face, and the two of the isolation framework 2 are opposite Side is equipped with several ventilation holes 21, and the upper surface that framework 2 is isolated is respectively equipped with positive terminal 4 and negative terminal 1, the negative terminal 1 The conductive sheet for extending to 22 bottom centre of battery holding cavity is connected with through the bottom end of the upper and lower end face of isolation framework 2 and negative terminal 1 3,4 periphery of the positive terminal is equipped with screw thread and is connect with the conductive sheet 3 that may extend to 22 top center of battery holding cavity through screw thread.

With reference to shown in figure 1 or Fig. 2, positive terminal 4 and negative terminal 1 are symmetrically distributed in 2 upper end of isolation framework in the utility model Two diagonal angles in face are conducive to the positive and negative anodes that single lithium battery is isolated, at the same be also convenient in lithium battery group neighboring unit cell it Between serial or parallel connection；22 inner surface of battery holding cavity of the isolation framework 2 is equipped with the groove through 2 upper and lower end face of isolation framework 221, the groove 221 is two and is symmetrically distributed in the opposite sides of 22 inner surface of battery holding cavity, and setting groove 221 can make list Body lithium battery is installed to there are gaps in battery holding cavity 22, to facilitate the installation and removal of single lithium battery；It is described several logical Air holes 21 is in the netted two relative side for being uniformly distributed in isolation framework 2, and ventilation hole 21 is through isolation framework 2 as can be seen from Figure 2 Two relative side, the ventilation hole 21 are mainly used for radiating, and reduce the operating temperature of lithium battery, to ensure the safety fortune of lithium battery Row also can be respectively provided with ventilation hole 21 according to the needs of heat dissipation in four sides of isolation framework 2 or upper and lower end face.

In conjunction with shown in Fig. 1~Fig. 2, the periphery of positive terminal 4 is equipped with screw thread in the utility model, and is used with conductive sheet 3 It is threadedly coupled, when needing that the anode of positive terminal 4 and lithium battery is connected, then rotating conductive film 3 extends to 22 center of battery holding cavity； When rotating conductive film 3 leaves the region of battery holding cavity 22, conductive sheet 3 will not mount and dismount monomer lithium to battery holding cavity 22 at this time Battery, which is constituted, to be influenced, and to the single lithium battery that is easy for installation and removal, is also beneficial to the repair and replacement of single lithium battery；To protect Barrier conductive sheet 3 is connected firmly with positive terminal 4, can be used nut that conductive sheet 3 is fastened on positive terminal 4, to ensure conduction Connection it is safe and reliable, be conducive to the safe and reliable operation of lithium battery group.

As shown in Figure 1, using being fixedly connected between negative terminal 1 and conductive sheet in the utility model, it is conductive under normal circumstances Piece is fixedly connected on the bottom end of negative terminal 1, and conductive sheet extends to the bottom centre of battery holding cavity 22, can ensure the negative of lithium battery Pole can be firm with the stable connection of negative terminal, to be conducive to the safe and reliable operation of lithium battery group.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention；It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of lithium battery group isolation structure, it is characterised in that including the isolation framework (2) being square, the isolation framework (2) It is equipped with the battery holding cavity (22) through its upper and lower end face, the two relative side of the isolation framework (2) is equipped with several ventilation holes (21), and the upper surface of isolation framework (2) is respectively equipped with positive terminal (4) and negative terminal (1), and the negative terminal (1) is through isolation The upper and lower end face of framework (2) and the bottom end of negative terminal (1) is connected with the conductive sheet for extending to battery holding cavity (22) bottom centre (3), positive terminal (4) periphery is equipped with screw thread and through screw thread and the conductive sheet that may extend to battery holding cavity (22) top center (3) it connects.

2. lithium battery group isolation structure according to claim 1, it is characterised in that the positive terminal (4) and negative terminal (1) It is symmetrically distributed in two diagonal angles of isolation framework (2) upper surface.

3. lithium battery group isolation structure according to claim 1, it is characterised in that the battery holding cavity of the isolation framework (2) (22) inner surface is equipped with the groove (221) through isolation framework (2) upper and lower end face.

4. lithium battery group isolation structure according to claim 3, it is characterised in that the groove (221) is for two and symmetrical It is distributed in the opposite sides of battery holding cavity (22) inner surface.

5. lithium battery group isolation structure according to claim 1, it is characterised in that several ventilation holes (21) are in netted It is uniformly distributed in the two relative side of isolation framework (2).