CN213692269U

CN213692269U - Combined lithium battery

Info

Publication number: CN213692269U
Application number: CN202022408686.1U
Authority: CN
Inventors: 张桂芝
Original assignee: Shenzhen Hailong Zhitong Electronic Technology Co ltd
Current assignee: Shenzhen Hailong Zhitong Electronic Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-13
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a combined lithium battery, which comprises a bottom plate and a battery box, wherein the battery box is arranged on the outer wall of the upper end of the bottom plate, the outer wall of the upper end of the battery box is provided with a cover plate, the outer wall of the upper end of the bottom plate is provided with a fixed rod, during heat dissipation, one is that cold water in the heat dissipation plate absorbs the temperature on the heat dissipation plate, so that the temperature is quickly reduced, when the temperature of the cold water is increased, the cover plate can be disassembled to replace the heat dissipation plate, and the other is that cold air outside can be used for entering into a box hole and then entering into a heat dissipation hole and going out from the box hole of the other side, so that the heat on the heat dissipation plate can be taken away by cold air, thereby realizing quick heat dissipation of the lithium battery, separating a plurality of lithium batteries through the heat dissipation plate, generating gaps, the extrusion loss between the lithium batteries is reduced, and the service life of the lithium batteries is prolonged.

Description

Combined lithium battery

Technical Field

The utility model belongs to the technical field of the lithium cell is relevant, concretely relates to modular lithium cell.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

The prior lithium battery technology has the following problems: when using the lithium cell, single lithium cell can't provide the big apparatus operation of power, consequently just need be in the same place a plurality of lithium cells, satisfies great powerful apparatus operation, and the lithium cell that combines together extrudes fragile lithium cell each other, also is not favorable to giving off the heat that the lithium cell during operation produced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular lithium cell to propose the mutual extrusion fragile lithium cell of lithium cell that the combination is in the same place among the solution above-mentioned background art and also do not contribute to giving off the thermal problem that the lithium cell during operation produced.

In order to achieve the above object, the utility model provides a following technical scheme: a combined lithium battery comprises a bottom plate and a battery box, wherein the battery box is arranged on the outer wall of the upper end of the bottom plate, a cover plate is arranged on the outer wall of the upper end of the battery box, a fixing rod is arranged on the outer wall of the upper end of the bottom plate, nuts are sleeved outside the fixing rod, box holes are formed inside the outer portions of the front end and the rear end of the battery box, a negative electrode is arranged on the outer wall of the right end of the cover plate, a fixing plate is arranged inside the battery box, a clamping groove is formed inside the outer wall of the upper end of the fixing plate, a heat dissipation plate is arranged inside the clamping groove, a knob plug is arranged on the outer wall of the front end of the heat dissipation plate, heat dissipation holes are formed inside the outer wall of the front end of the heat dissipation plate, a lower fixing cylinder is arranged on the outer, and a through hole is formed in the outer wall of the left end of the radiating plate.

Preferably, a round hole is formed in the outer wall of the upper end of the cover plate, and an external thread is arranged on the outer wall of the circumference of the fixing rod close to the upper side.

Preferably, the outer wall of the right end of the bottom plate is provided with a positive electrode.

Preferably, the length of the lower fixing cylinder is greater than that of the upper fixing cylinder, and a lithium battery is arranged in the lower fixing cylinder.

Preferably, the diameters of the box hole and the heat dissipation hole are the same.

Preferably, a water tank is arranged inside the heat dissipation plate, and a water inlet screw hole is formed in the outer wall of the upper end of the heat dissipation plate.

Compared with the prior art, the utility model provides a modular lithium cell possesses following beneficial effect:

the lithium battery of the utility model is connected in parallel through the battery box, which satisfies the operation of a more powerful apparatus, and the number of the lithium batteries can be assembled at will, thereby changing the output power of the combined lithium battery device and increasing the applicability, when the lithium battery is assembled, the fixing plate is firstly put into the battery box, the size of the fixing plate is the same as that of the battery box, thereby not only avoiding the shaking of the fixing plate, but also causing the shaking of the lithium battery, simultaneously being beneficial to replacing different fixing plates, the lithium batteries with different types can be assembled, when the lithium battery works for a long time or the working load is larger, the heat generated by the lithium battery is higher, the temperature can be transmitted to the heat dissipation plate which is made of aluminum, the heat dissipation plate can absorb heat easily, and the heat dissipation plate can dissipate the heat of the lithium battery through two modes, one is that the cold water in the, make the temperature reduce fast, when the cold water temperature risees, can also dismantle the apron, change the heating panel, another kind is then can utilize outside cold air to enter into the case hole, reentrant the louvre, and go out from the case hole of opposite side, also can take away the heat on the heating panel through cold wind like this, realize dispelling the heat to the lithium cell fast, separate a plurality of lithium cells through the heating panel, make and produce the gap between it, prevent extrusion each other between the lithium cell, be convenient for simultaneously give off the heat that the lithium cell during operation produced, reduce the extruded loss between the lithium cell, increase the life of lithium cell.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a front structure of a combined lithium battery provided by the present invention;

fig. 2 is a schematic view of a top view structure of a lithium battery provided by the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a lithium battery provided by the present invention;

fig. 4 is a schematic side view of the heat dissipating plate according to the present invention;

in the figure: 1. a base plate; 2. fixing the rod; 3. a cover plate; 4. a nut; 5. a battery box; 6. a negative electrode; 7. a box hole; 8. a heat dissipation plate; 9. a knob plug; 10. a fixing plate; 11. a contact end; 12. a lower fixed cylinder; 13. an upper fixed cylinder; 14. a spring end; 15. heat dissipation holes; 16. a card slot; 17. and a through 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. 1-4, the present invention provides a technical solution: a combined lithium battery comprises a bottom plate 1 and a battery box 5, the battery box 5 is arranged on the outer wall of the upper end of the bottom plate 1, a cover plate 3 is arranged on the outer wall of the upper end of the battery box 5, a fixing rod 2 is arranged on the outer wall of the upper end of the bottom plate 1, a nut 4 is sleeved outside the fixing rod 2, box holes 7 are arranged inside the outer parts of the front end and the rear end of the battery box 5, a negative electrode 6 is arranged on the outer wall of the right end of the cover plate 3, a fixing plate 10 is arranged inside the battery box 5, a clamping groove 16 is arranged inside the outer wall of the upper end of the fixing plate 10, a heat dissipation plate 8 is arranged inside the clamping groove 16, a knob plug 9 is arranged on the outer wall of the front end of the heat dissipation plate 8, a heat dissipation hole 15 is arranged inside the outer wall of the front end of the heat dissipation plate 8, a lower fixing cylinder, the inner part of the outer wall of the left end of the heat radiation plate 8 is provided with a through hole 17.

A combined lithium battery comprises a bottom plate 1 and a battery box 5, wherein a round hole is arranged in the outer wall of the upper end of a cover plate 3, an external thread is arranged on the outer wall of the circumference of the upper side of a fixed rod 2, so that the fixed rod 2 can pass through the cover plate 3 and is arranged on the fixed rod 2 through a nut 4, the cover plate 3 is fixed on the battery box 5, the lithium battery in the battery box 5 is convenient to rapidly install and disassemble, an anode is arranged on the outer wall of the right end of the bottom plate 1, so that the anode of the lithium battery is arranged in a lower fixed cylinder 12, conductive metal sheets are arranged in the fixed plate 10 and the bottom plate 1 and are contacted with each other, a connector lug is conveniently connected to the anode of the outside, the length of the lower fixed cylinder 12 is larger than that of an upper fixed cylinder 13, the lithium battery is arranged in the lower fixed cylinder 12, so that the anode of, the lithium cell can not fall down, be favorable to covering apron 3 fast, case hole 7 is the same with louvre 15's diameter, make outside cold air enter into 7 in the case hole like this, reentrant into louvre 15, and go out from the case hole 7 of opposite side, can dispel the heat to the lithium cell fast, the inside of heating panel 8 is provided with the basin, the screw that intakes has been seted up to 8 upper end outer walls of heating panel, can pour into heating panel 8 through the screw that intakes with cold water like this, make the lithium cell during operation produce the heat and absorbed cold water, be favorable to dispelling the heat to the lithium cell fast.

The utility model discloses a theory of operation and use flow: the lithium battery of the utility model can be assembled together to meet the operation of a more powerful apparatus, when the lithium battery is assembled, the fixing plate 10 is firstly put into the battery box 5, the size of the fixing plate 10 is the same as that of the battery box 5, thereby not only preventing the fixing plate 10 from shaking, but also causing the lithium battery to shake, and simultaneously being beneficial to replacing different fixing plates 10, lithium batteries with different types can be assembled, then cold water can be injected into the inside of the heat dissipation plate 8 through the water inlet screw hole, the water inlet screw hole is tightly plugged by the knob plug 9, then the heat dissipation plate 8 is inserted into the clamping groove 16, then the lithium battery can be put into the battery box 5, when the lithium battery is fixed, the anode of the lithium battery is put into the lower fixing cylinder 12, the lithium battery is prevented from falling down through the lower fixing cylinder 12, after the lithium battery is assembled, the cover plate 3 is covered on the battery box 5, the fixing rod 2 penetrates through the cover plate 3, the negative end of the lithium battery is fixed inside the upper fixing cylinder 13, the negative end of the lithium battery is tightly pressed through the spring end 14, the lithium battery is not easy to shake, then the lithium battery is fixed on the fixing rod 2 by using the nut 4, the positive pole of the whole combined lithium battery is arranged on the bottom plate 1, the negative pole 6 is arranged on the cover plate 3, the joint is easily connected to the positive pole and the negative pole 6, when the lithium battery works for a long time or the working load is large, the heat generated by the lithium battery is high, the temperature is transmitted to the heat dissipation plate 8, the heat dissipation plate 8 is made of aluminum, the heat absorption is easy, the heat dissipation plate 8 dissipates the heat of the lithium battery in two modes, one mode is that the cold water in the heat dissipation plate 8 absorbs the temperature on the heat dissipation plate 8, the temperature is rapidly reduced, replace heating panel 8, another kind then can utilize outside cold air to enter into 7 in the case hole, reentrant louvre 15 to go out from the case hole 7 of opposite side, also can take away the heat on heating panel 8 through cold wind like this, realize dispelling the heat to the lithium cell fast.

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 modular lithium cell, includes bottom plate (1) and battery box (5), its characterized in that: the battery box (5) is arranged on the outer wall of the upper end of the bottom plate (1), the cover plate (3) is arranged on the outer wall of the upper end of the battery box (5), the fixing rod (2) is arranged on the outer wall of the upper end of the bottom plate (1), the nut (4) is sleeved outside the fixing rod (2), box holes (7) are formed inside the outer portions of the front end and the rear end of the battery box (5), the negative electrode (6) is arranged on the outer wall of the right end of the cover plate (3), the fixing plate (10) is arranged inside the battery box (5), a clamping groove (16) is arranged inside the outer wall of the upper end of the fixing plate (10), a heat dissipation plate (8) is arranged inside the clamping groove (16), a knob plug (9) is arranged on the outer wall of the front end of the heat dissipation plate (8), heat dissipation holes (15) are arranged, the inside of lower fixed cylinder (12) is provided with contact jaw (11), be provided with fixed cylinder (13) down on apron (3) of fixed cylinder (12) just upside, the inside of going up fixed cylinder (13) is provided with spring end (14), heating panel (8) left end outer wall inside is provided with through-hole (17).

2. A modular lithium battery as claimed in claim 1, characterized in that: the inner part of the outer wall of the upper end of the cover plate (3) is provided with a round hole, and the fixing rod (2) is provided with an external thread close to the outer wall of the circumference of the upper side.

3. A modular lithium battery as claimed in claim 1, characterized in that: and the outer wall of the right end of the bottom plate (1) is provided with a positive electrode.

4. A modular lithium battery as claimed in claim 1, characterized in that: the length of lower fixed cylinder (12) is greater than last fixed cylinder (13), the inside of lower fixed cylinder (12) is provided with the lithium cell.

5. A modular lithium battery as claimed in claim 1, characterized in that: the diameters of the box hole (7) and the heat dissipation hole (15) are the same.

6. A modular lithium battery as claimed in claim 1, characterized in that: the water tank is arranged inside the heat dissipation plate (8), and the water inlet screw hole is formed in the outer wall of the upper end of the heat dissipation plate (8).