CN210607381U

CN210607381U - Lithium battery pack

Info

Publication number: CN210607381U
Application number: CN201921794205.6U
Authority: CN
Inventors: 陈书琴
Original assignee: Shaoxing Huirong Zhenhe New Energy Technology Co ltd
Current assignee: Zhejiang Yidao Electric Power Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-22
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to an energy battery technical field just discloses a lithium cell group, the power distribution box comprises a box body, the fixed endotherm that has cup jointed in the inner chamber of box, the bottom fixedly connected with lithium cell of endotherm inner chamber, the quantity of lithium cell is four, four two liang of adoption spacer pipes between the lithium cell separate, the both sides of spacer pipe all with lithium cell fixed connection, the ventilation hole has been seted up on the spacer pipe, the electrically conductive head of top surface fixedly connected with of lithium cell. The utility model discloses a to the inside purpose of cooling down of lithium cell group, collect the inside heat of lithium cell group through the ventilation hole on the spacer tube and spill, reach the problem of cooling down to lithium cell group, avoided if can not in time spill the heat, cause a large amount of heat to burn out the battery or reduce battery conductivity, the life who leads to the group battery is low, the cost is practiced thrift to the extravagant problem of cost when having prolonged lithium cell group life.

Description

Lithium battery pack

Technical Field

The utility model relates to an energy battery technical field specifically is a lithium cell group.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as an anode material and uses a non-aqueous electrolyte solution, the lithium battery is a primary battery, and the lithium battery is a rechargeable battery, so that the lithium metal has very high requirements on the environment in processing, storage and use due to very active chemical characteristics of the lithium metal.

And the lithium cell group is exactly to adopt a plurality of lithium cell series connection to make up, and because the combination of a plurality of lithium cells, at the during operation, can produce a large amount of heats, if can not in time spill out the heat, cause a large amount of heats to burn out the battery or reduce battery conductivity, lead to the low service life of group battery, the extravagant problem of cost, need often overhaul the battery simultaneously in the use of lithium cell, and the inconvenient dismantlement of lithium cell group commonly used, extravagant a large amount of labours and time when dismantling, lead to maintenance inefficiency, the big problem of intensity of labour, a lithium cell group is released at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell group, possess longe-lived, practice thrift cost, maintenance efficiency height, practice thrift labour's advantage, solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: a lithium battery pack comprises a box body, wherein a heat absorption layer is fixedly sleeved in the inner cavity of the box body, lithium batteries are fixedly connected to the bottom of the inner cavity of the heat absorption layer, the number of the lithium batteries is four, every two of the four lithium batteries are separated by a partition pipe, two sides of the partition pipe are fixedly connected with the lithium batteries, the partition pipe is provided with a vent hole, the top surfaces of the lithium batteries are fixedly connected with six conductive heads, two adjacent conductive heads are fixedly connected by a connecting wire, one side of the top surface of each lithium battery is fixedly connected with a conductive rod, the other end of each conductive rod extends to the outside of the box body and is fixedly connected with a connector, bolts are movably sleeved at the top ends of two sides of the box body, the top surface of the box body is provided with a clamping groove, two sides of the clamping groove are respectively provided with, the bottom surface fixedly connected with card strip of case lid, the equal fixedly connected with bayonet lock in both sides of card strip, the screw has been seted up to the bottom of bayonet lock.

Carefully selecting, the both sides of box are seted up and are made the bolt hole that the bolt passes through, the width value of box and the width value of case lid are equal.

Carefully, the pipe spacers are connected in the inboard of lithium cell side by side, all seted up the ventilation hole on the pipe spacer.

Carefully selecting, the size of card strip and the size of draw-in groove are adapted, card strip and draw-in groove are the joint.

And carefully selecting, wherein the size of the bayonet lock is matched with that of the buckle, and the bayonet lock is movably sleeved with the buckle.

Carefully selecting, set up the screw with bolt looks adaptation on the screw, screw and bolt spiral cover are cup jointed.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a to the inside purpose of cooling down of lithium cell group, collect the inside heat of lithium cell group through the ventilation hole on the spacer tube and spill, reach the problem of cooling down to lithium cell group, avoided if can not in time spill the heat, cause a large amount of heat to burn out the battery or reduce battery conductivity, the life who leads to the group battery is low, the cost is practiced thrift to the extravagant problem of cost when having prolonged lithium cell group life.

2. The utility model discloses a with the mode of case lid and box joint, utilize the joint between bolt and the screw, with the bayonet lock joint in the buckle on the box to with box and case lid joint, only need when overhauing with the bolt screw out can, avoided the inconvenient dismantlement of lithium cell group commonly used, extravagant a large amount of labours and time when dismantling, lead to maintenance inefficiency, the labour has been practiced thrift to the problem that intensity of labour is big when having improved maintenance efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structural box body of the present invention;

fig. 3 is a side view of the structure case cover of the present invention.

In the figure: 1. a box body; 2. a heat absorbing layer; 3. a lithium battery; 4. a vent hole; 5. separating the tube; 6. a bolt; 7. a connector; 8. clamping the strip; 9. a box cover; 10. a bayonet lock; 11. a conductive rod; 12. a connecting wire; 13. a conductive head; 14. a card slot; 15. buckling; 16. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a lithium battery pack comprises a case 1, wherein bolt holes are formed on two sides of the case 1 for bolts 6 to pass through, the width of the case 1 is equal to that of a case cover 9, the bolt holes are formed so that the bolts 6 can enter the inside of the case 1 to be sleeved with screw holes 16, the width of the case 1 is also set so that the case cover 9 can completely seal the case 1, the structural reasonability is shown, a heat absorbing layer 2 is fixedly sleeved in an inner cavity of the case 1, lithium batteries 3 are fixedly connected to the bottom of the inner cavity of the heat absorbing layer 2, the four lithium batteries 3 are connected in series to form the lithium battery pack, the four lithium batteries 3 are four, every two of the four lithium batteries 3 are separated by a partition pipe 5, the partition pipes 5 are connected to the inner sides of the lithium batteries 3 side by side, vent holes 4 are formed in the partition pipes 5, and heat in the lithium battery pack is collected and dissipated, the problem of cooling the lithium battery pack is solved, the problem that if heat cannot be dissipated in time, a large amount of heat burns out batteries or the conductivity of the batteries is reduced, the service life of the battery pack is shortened, the cost is saved while the service life of the lithium battery pack is prolonged, both sides of a partition tube 5 are fixedly connected with the lithium batteries 3, the partition tube 5 is provided with vent holes 4, the top surfaces of the lithium batteries 3 are fixedly connected with conductive heads 13, the number of the conductive heads 13 is six, two adjacent conductive heads 13 are fixedly connected by a connecting wire 12, four lithium batteries 3 are connected in series by the connecting wire 12, one side of the top surface of each lithium battery 3 is fixedly connected with a conductive rod 11, the other end of each conductive rod 11 extends to the outside of a box body 1 and is fixedly connected with a connecting head 7, the number of the connecting heads 7 is two, and the lithium battery pack is connected into a, the bolt 6 is movably sleeved at the top ends of two sides of the box body 1, the clamping groove 14 is formed in the top surface of the box body 1, the buckles 15 are formed in two sides of the clamping groove 14, the box cover 9 is placed above the box body 1, the clamping strip 8 is fixedly connected to the bottom surface of the box cover 9, the size of the clamping strip 8 is matched with that of the clamping groove 14, the clamping strip 8 is clamped with the clamping groove 14, the clamping strip 8 can be clamped into the clamping groove 14, the box cover 9 is fixed on the box body 1, the purpose of primarily fixing the box cover 9 is achieved, the box cover 9 is conveniently fixed later, the structural stability is embodied, the clamping pins 10 are fixedly connected to two sides of the clamping strip 8, the size of the clamping pins 10 is matched with that of the buckles 15, the clamping pins 10 are movably sleeved with the buckles 15, the clamping pins 10 can extend into the buckles 15, the screw holes 16 in the clamping pins 10 are brought into the box body, having embodied the rationality of structure, screw 16 has been seted up to the bottom of bayonet lock 10, set up the screw thread with 6 looks adaptations of bolt on the screw 16, screw 16 cup joints with 6 spirals of bolt, utilize the joint between bolt 6 and the screw 16, in buckle 15 with bayonet lock 10 joint on box 1, thereby with box 1 and case lid 9 joint, only need when overhauing bolt 6 screw out can, the inconvenient dismantlement of lithium cell group commonly used has been avoided, extravagant a large amount of labours and time when dismantling, lead to maintenance inefficiency, the big problem of intensity of labour, the labour has been practiced thrift in the time of having improved maintenance efficiency.

The working principle is as follows: when in use, the two connectors 7 are connected in the circuit, so that the lithium battery pack is connected into the circuit, when in use, four lithium batteries 3 work simultaneously, the two connectors 7 transmit current, heat generated by the four lithium batteries 3 is collected by the partition pipes 5 between the lithium batteries 3, the heat is transmitted out through the vent holes 4, in addition, the heat outside the lithium batteries 3 is absorbed by the heat absorption layer 2, so that the lithium batteries 3 are cooled, when the lithium battery pack is required to be overhauled, the bolts 6 are screwed down from the box body 1, at the moment, the bolts 6 are separated from the screw holes 16 in a sleeved mode, the clamping pins 10 can be taken out from the clamping buckles 15, so that the box cover 9 is taken down from the box body 1, the lithium batteries 3 are overhauled, after the overhaul is completed, the two clamping pins 10 are firstly clamped into the corresponding clamping buckles 15, the box cover 9 is moved downwards, the clamping strips 8 are opposite, and finally, the clamping strip 8 is clamped into the clamping groove 14, then the bolt 6 is screwed into the fastening holes at the two ends of the box body 1, when the bolt 6 enters the box body 1, the bolt 6 is sleeved in the screw hole 16, and finally the box cover 9 is fixed through the sleeving effect of the bolt 6 and the screw hole 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell group, includes box (1), its characterized in that: the inner cavity of the box body (1) is fixedly sleeved with a heat absorbing layer (2), the bottom of the inner cavity of the heat absorbing layer (2) is fixedly connected with a lithium battery (3), the number of the lithium batteries (3) is four, every two of the lithium batteries (3) are separated by partition pipes (5), the two sides of each partition pipe (5) are fixedly connected with the lithium batteries (3), the partition pipes (5) are provided with vent holes (4), the top surface of each lithium battery (3) is fixedly connected with conductive heads (13), the number of the conductive heads (13) is six, two adjacent conductive heads (13) are fixedly connected by connecting wires (12), one side of the top surface of each lithium battery (3) is fixedly connected with a conductive rod (11), the other end of each conductive rod (11) extends to the outside of the box body (1) and is fixedly connected with a connecting head (7), the top ends of the two sides of the box body (1) are movably sleeved with bolts (6), draw-in groove (14) have been seted up to the top surface of box (1), buckle (15) have all been seted up to the both sides of draw-in groove (14), case lid (9) have been placed to the top of box (1), the bottom surface fixedly connected with card strip (8) of case lid (9), the equal fixedly connected with bayonet lock (10) in both sides of card strip (8), screw (16) have been seted up to the bottom of bayonet lock (10).

2. A lithium battery according to claim 1, characterized in that: bolt holes for the bolts (6) to pass through are formed in the two sides of the box body (1), and the width value of the box body (1) is equal to that of the box cover (9).

3. A lithium battery according to claim 1, characterized in that: separate pipe (5) and connect the inboard at lithium cell (3) side by side, all seted up ventilation hole (4) on separating pipe (5).

4. A lithium battery according to claim 1, characterized in that: the size of card strip (8) and the size looks adaptation of draw-in groove (14), card strip (8) and draw-in groove (14) are the joint.

5. A lithium battery according to claim 1, characterized in that: the size of the bayonet lock (10) is matched with that of the buckle (15), and the bayonet lock (10) is movably sleeved with the buckle (15).

6. A lithium battery according to claim 1, characterized in that: the screw hole (16) is provided with a thread matched with the bolt (6), and the screw hole (16) is in screw sleeve connection with the bolt (6).