CN212182428U

CN212182428U - Integral lithium battery structure capable of replacing lead-acid battery

Info

Publication number: CN212182428U
Application number: CN202021186707.3U
Authority: CN
Inventors: 杨魁
Original assignee: Dongguan Xiao Electronic Technology Co ltd
Current assignee: Dongguan Xiao Electronic Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-18
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an integral lithium battery structure which can replace a lead-acid battery and comprises a shell, a binding post and a lithium battery pack; the shell is internally provided with an accommodating cavity; the wiring terminal is arranged on the shell and exposed out of the outer surface of the shell; during this lithium cell group hangs and locates the holding chamber, lithium cell group and terminal conducting connection, and it has the sand grain and is formed with the sand grain layer to fill in the holding chamber, and this sand grain layer wraps up the surface of living lithium cell group completely. This product fungible lead acid battery uses through adopting the lithium cell group to the cooperation sets up sand grain layer, utilizes sand grain layer to wrap up the surface of living lithium cell group completely, in order playing thermal-insulated, insulating and fixed effect, this product structure is comparatively simple, can not the weeping, and calorific capacity is little, and product safety in utilization performance is better, is worth using widely.

Description

Integral lithium battery structure capable of replacing lead-acid battery

Technical Field

The utility model belongs to the technical field of the lithium cell technique and specifically relates to indicate a whole lithium cell structure that fungible lead acid battery used.

Background

A lead-acid battery (VRLA) is a battery whose electrodes are made mainly of lead and its oxides and whose electrolyte is a sulfuric acid solution. In the discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in a charged state, the main components of the positive electrode and the negative electrode are lead sulfate. The nominal voltage of a single-lattice lead-acid battery is 2.0V, and the battery can be discharged to 1.5V and charged to 2.4V; in application, 6 single-cell lead-acid batteries are often connected in series to form a lead-acid battery with a nominal 12V, 24V, 36V, 48V and the like.

However, the lead-acid battery has a complicated structure, is prone to leakage and heat generation, and has low safety, and therefore, it is necessary to develop a solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a whole lithium battery structure capable of replacing a lead-acid battery to solve the problems of complex structure and low safety performance of the existing lead-acid battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integral lithium battery structure capable of replacing a lead-acid battery comprises a shell, a binding post and a lithium battery pack; the shell is internally provided with an accommodating cavity; the wiring terminal is arranged on the shell and exposed out of the outer surface of the shell; during this lithium cell group hangs and locates the holding chamber, lithium cell group and terminal conducting connection, and it has the sand grain and is formed with the sand grain layer to fill in the holding chamber, and this sand grain layer wraps up the surface of living lithium cell group completely.

Preferably, the housing includes a main body and a top cover fixed to the main body and covering an opening of the main body to form the receiving chamber.

Preferably, the shell is made of ABS material.

Preferably, the number of the binding posts is two, the binding posts are respectively a positive binding post and a negative binding post, and the positive binding post and the negative binding post are respectively in conduction connection with the lithium battery pack through connecting wires.

Preferably, the interior of the lithium battery pack is formed by 9 sections 18650 of lithium batteries in a hybrid manner, a 3-to-3 series structure is adopted, and the capacity of a single battery cell is 1350 mAh.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

this product fungible lead acid battery uses through adopting the lithium cell group to the cooperation sets up sand grain layer, utilizes sand grain layer to wrap up the surface of living lithium cell group completely, in order playing thermal-insulated, insulating and fixed effect, this product structure is comparatively simple, can not the weeping, and calorific capacity is little, and product safety in utilization performance is better, is worth using widely.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. housing 11, main body

12. Top cover 101, accommodation chamber

20. Binding post 30 and lithium battery pack

31. 18650 lithium battery 40, sand layer

51. Connecting wire

Detailed Description

Referring to fig. 1, a specific structure of a preferred embodiment of the present invention is shown, which includes a housing 10, a terminal 20 and a lithium battery pack 30.

The housing 10 has a receiving cavity 101 therein; in this embodiment, the housing 10 includes a main body 11 and a top cover 12, the top cover 12 is fixed on the main body 11 and covers the opening of the main body 11 to form the receiving cavity 101, and the housing 10 is made of ABS material.

The terminal 20 is disposed on the housing 10 and exposed to the outer surface of the housing 10; in the present embodiment, the two terminals 20 are a positive terminal and a negative terminal, respectively, and the terminals 20 are exposed on the outer surface of the main body 11.

This lithium cell group 30 hangs in holding chamber 101, and lithium cell group 30 and terminal 20 conducting connection, and the packing has sand grain and is formed with sand grain layer 40 in the holding chamber 101, and this sand grain layer 40 wraps up the surface of lithium cell group 30 completely. In this embodiment, the positive terminal and the negative terminal are respectively connected to the lithium battery pack 30 through a connection line 51, and the lithium battery pack 30 is formed by mixing 9 sections 18650 of lithium batteries 31, and adopts a 3-to-3 string structure, the capacity of a single battery cell is 1350mAh, and the lithium battery pack 30 is provided with a conventional lithium battery protection board (not shown) to protect the whole circuit.

During the equipment, fix the lithium cell group 30 of accomplishing in holding chamber 101 earlier, and utilize connecting wire 51 to couple together lithium cell group 30 and terminal 20, at last in the inside one deck sand grain of injecting into of whole shell 10 in order to form sand grain layer 40, sand grain layer 40 fully wraps up lithium cell group 30 and in order to play thermal-insulated, insulating and fixed effect, the specification of this product is 11.1V 4AH lithium cell, this product applies to on the sound equipment, but not only be limited to sound equipment, it all can be suitable for to contain other external power source equipment that need insert.

The utility model discloses a design key is: this product fungible lead acid battery uses through adopting the lithium cell group to the cooperation sets up sand grain layer, utilizes sand grain layer to wrap up the surface of living lithium cell group completely, in order playing thermal-insulated, insulating and fixed effect, this product structure is comparatively simple, can not the weeping, and calorific capacity is little, and product safety in utilization performance is better, is worth using widely.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a whole lithium cell structure that fungible lead-acid batteries used which characterized in that: comprises a shell, a binding post and a lithium battery pack; the shell is internally provided with an accommodating cavity; the wiring terminal is arranged on the shell and exposed out of the outer surface of the shell; during this lithium cell group hangs and locates the holding chamber, lithium cell group and terminal conducting connection, and it has the sand grain and is formed with the sand grain layer to fill in the holding chamber, and this sand grain layer wraps up the surface of living lithium cell group completely.

2. A unitary lithium battery construction for use in place of a lead acid battery as claimed in claim 1, wherein: the shell comprises a main body and a top cover, wherein the top cover is fixed on the main body and covers the opening of the main body to form the accommodating cavity.

3. A unitary lithium battery construction as claimed in claim 1 or claim 2, in which: the shell is made of ABS materials.

4. A unitary lithium battery construction for use in place of a lead acid battery as claimed in claim 1, wherein: the number of the binding posts is two, the binding posts are respectively a positive binding post and a negative binding post, and the positive binding post and the negative binding post are respectively in conduction connection with the lithium battery pack through connecting wires.

5. A unitary lithium battery construction for use in place of a lead acid battery as claimed in claim 1, wherein: the interior of the lithium battery pack is formed by mixing 9 sections of 18650 lithium batteries, a 3-in-3-string structure is adopted, and the capacity of a single battery cell is 1350 mAh.