CN212676407U

CN212676407U - Heap lithium cell structure of easily changing electricity core

Info

Publication number: CN212676407U
Application number: CN202021731157.9U
Authority: CN
Inventors: 熊翔宇; 沈琴琴
Original assignee: Hangzhou Feier Technology Co ltd
Current assignee: Hangzhou Feier Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-09
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a heap lithium cell structure of easily changing electricity core, including the battery with be used for installing the fixing device of battery, fixing device include the front bezel, with the relative back plate that sets up of front bezel, set up the support plate between front bezel and back plate and locate the PCBA board between front bezel and the back plate, front bezel and back plate respectively demountable installation in the support plate, the battery install in the support plate, the front end of PCBA board is connected with front bezel and back plate electricity respectively and is used for opening and closing of control circuit. Through being fixed in the battery behind the support plate, adorn the front bezel and the rear end of support plate respectively with front bezel and rear plate, insert respectively with the front end and the rear end of PCBA board again and locate first electrode extension and second electrode extension, screw up corresponding screw again, its simple structure, convenient operation, if one of them part breaks down and can in time change, and when going out outward, can carry a plurality of batteries in order can quick replacement electric power storage under the circumstances of not having the electricity.

Description

Heap lithium cell structure of easily changing electricity core

Technical Field

The utility model relates to the technical field of batteries, specifically a heap lithium cell structure of easily changing electric core.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The conventional lithium battery stacking structure mainly adopts welding, the later maintenance is difficult, and the damage of certain parts of the battery pack basically represents the rejection of the whole battery. However, in practice, many lithium batteries are only a small part of which has problems, and most parts are intact, which causes resource waste. And when used in places where charging is inconvenient, if a stationary lithium battery is used, it will be subject to a situation where no electricity is available (e.g., a mountain area), and the flexibility is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heap lithium cell structure of easily changing electric core to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an easily change heap lithium cell structure of electric core, includes the battery and is used for installing the fixing device of battery, fixing device includes the front bezel, with the relative back plate that sets up of front bezel, set up the support plate between front bezel and back plate and locate the PCBA board between front bezel and the back plate, front bezel and back plate respectively demountable installation in the support plate, the battery install in the support plate, the front end and the rear end of battery are connected with front bezel and back plate electricity respectively, the front end of PCBA board is connected with front bezel and back plate electricity respectively and is used for opening and closing of control circuit.

Preferably, the carrier plate is provided with at least one clamping position, and the battery is clamped on the clamping position.

Preferably, the two ends of the carrier plate are respectively provided with a first screw hole and a second screw hole, the front plate and the rear plate are respectively provided with a first screw through hole and a second screw through hole which are matched with the first screw hole and the second screw hole, a first screw penetrates through the first screw through hole and then is screwed to the first screw hole, and a second screw penetrates through the second screw through hole and then is screwed to the second screw hole.

Preferably, the upper ends of the front plate and the rear plate are respectively extended with a first electrode extension part and a second electrode extension part, and two ends of the PCBA plate are respectively provided with a first clamping groove and a second clamping groove for the first electrode extension part and the second electrode extension part to be inserted into.

Preferably, the ends of the front plate and the rear plate, which are in contact with the battery, are in contact with the corresponding electrodes of the battery in a spring thimble mode.

Preferably, the PCBA board is also provided with a battery monitoring device.

Preferably, the battery is cylindrical in shape.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a heap lithium cell structure of easily changing electric core, through be fixed in the battery behind the support plate, adorn front bezel and back plate respectively in the front bezel and the rear end of support plate, insert the front end and the rear end of PCBA board respectively and locate first electrode extension and second electrode extension again, screw up corresponding screw again, a structure is simple, and convenient operation, if one of them part breaks down and can in time be changed, and when going out, can carry a plurality of batteries in order can quick replacement electric power storage under the circumstances of not having the electricity.

Drawings

Fig. 1 is a schematic perspective view of a stacked lithium battery with easily replaceable battery cells;

fig. 2 is an exploded view of a stacked lithium battery structure in which cells are easily replaced;

fig. 3 is a side view of a stacked lithium battery structure in which cells are easily replaced.

In the figure: the battery comprises a battery 1, a front plate 2, a first screw through hole 21, a first electrode extension 22, a rear plate 3, a second screw through hole 31, a second electrode extension 32, a PCBA plate 4, a first clamping groove 41, a second clamping groove 42, a support plate 5, a clamping position 50, a first screw hole 51, a second screw hole 52, a spring thimble 6 and a battery monitoring device 7.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a stacked lithium battery structure with an easily replaceable battery core includes a battery 1 and a fixing device for mounting the battery 1, the fixing device includes a front board 2, a rear board 3 disposed opposite to the front board 2, a carrier board 5 disposed between the front board 2 and the rear board 3, and a PCBA board 4 disposed between the front board 2 and the rear board 3, the front board 2 and the rear board 3 are respectively detachably mounted on the carrier board 5, the battery 1 is mounted on the carrier board 5, a front end and a rear end of the battery 1 are respectively electrically connected to the front board 2 and the rear board 3, and a front end of the PCBA board 4 is respectively electrically connected to the front board 2 and the rear board 3 for controlling the circuit to be turned on and off.

Through being fixed in battery 1 behind the support plate 5, adorn front bezel 2 and back plate 3 respectively in the front bezel 2 and the rear end of support plate 5, insert the front end and the rear end of PCBA board 4 respectively again and locate first electrode extension 22 and second electrode extension 32, screw up corresponding screw again, its simple structure, convenient operation, if one of them part breaks down and can in time be changed, and when going out, can carry a plurality of batteries 1 in order can quick replacement electric power storage under the circumstances of not having the electricity.

Further, the carrier plate 5 is provided with at least one detent 50, and the battery 1 is clamped on the detent 50. The battery 1 is clamped on the clamping position 50, so that the installation is more convenient.

Further, both ends of support plate 5 are equipped with first screw hole 51 and second screw hole 52 respectively, front bezel 2 and back plate 3 are equipped with first screw through-hole 21 and second screw through-hole 31 with first screw hole 51 and second screw hole 52 matched with respectively, and screw-joint in first screw hole 51 behind first screw through-hole 21 has first screw to pass, and screw-joint in second screw hole 52 behind second screw through-hole 31 has the second screw to pass. Of course, the fixing manner of the front plate 2 and the rear plate 3 can be the existing one, and for example, the snap-fit manner can also achieve the same technical effect.

Further, a first electrode extension part 22 and a second electrode extension part 32 extend from the upper ends of the front plate 2 and the rear plate 3, respectively, and a first clamping groove 41 and a second clamping groove 42 for inserting the first electrode extension part 22 and the second electrode extension part 32 are formed at the two ends of the PCBA plate 4, respectively. By making the electrical connection in an interposed manner, it is ensured that the electrical, i.e. contact points remain effective even when frequently replaced.

Furthermore, the ends of the front plate 2 and the back plate 3, which are in contact with the battery 1, are in contact with corresponding electrodes of the battery 1 in a spring thimble 6 manner. The contact mode of the spring thimble 6 can ensure the fixation of the battery 1 and good electric contact.

Further, the PCBA board 4 is further provided with a battery monitoring device 7, wherein the battery monitoring device 7 is the prior art, and is not described in detail herein.

Further, the battery 1 has a cylindrical shape, but the battery 1 may have another shape such as a rectangular shape.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A stack lithium battery structure of easily changing electric core, includes battery (1) and the fixing device who is used for installing battery (1), its characterized in that: fixing device includes front bezel (2), backplate (3) that set up relatively with front bezel (2), set up support plate (5) between front bezel (2) and backplate (3) and locate PCBA board (4) between front bezel (2) and backplate (3), front bezel (2) and backplate (3) respectively demountable installation in support plate (5), battery (1) install in support plate (5), the front end and the rear end of battery (1) are connected with front bezel (2) and backplate (3) electricity respectively, the front end of PCBA board (4) is connected with front bezel (2) and backplate (3) electricity respectively and is used for opening and closing of control circuit.

2. The stacked lithium battery structure with easily replaceable battery cells as claimed in claim 1, wherein the carrier plate (5) is provided with at least one detent (50), and the battery (1) is clamped on the detent (50).

3. The stacked lithium battery structure with the easily replaceable battery cell of claim 1, wherein the two ends of the carrier plate (5) are respectively provided with a first screw hole (51) and a second screw hole (52), the front plate (2) and the rear plate (3) are respectively provided with a first screw through hole (21) and a second screw through hole (31) which are matched with the first screw hole (51) and the second screw hole (52), a first screw passes through the first screw through hole (21) and then is screwed to the first screw hole (51), and a second screw passes through the second screw through hole (31) and then is screwed to the second screw hole (52).

4. The stacked lithium battery structure with easily replaceable battery cells as claimed in claim 1, wherein the upper ends of the front plate (2) and the rear plate (3) are respectively extended with a first electrode extension part (22) and a second electrode extension part (32), and both ends of the PCBA plate (4) are respectively provided with a first clamping groove (41) and a second clamping groove (42) for the first electrode extension part (22) and the second electrode extension part (32) to be inserted into.

5. The stacked lithium battery structure with easily replaceable battery cores as claimed in claim 1, wherein the ends of the front plate (2) and the rear plate (3) contacting the battery (1) are contacted with the corresponding electrodes of the battery (1) by spring pins (6).

6. A stacked lithium battery structure with easily replaceable battery cells as claimed in claim 1, wherein the PCBA board (4) is further provided with a battery monitoring device (7).

7. The structure of stacked lithium battery with easily replaceable battery cells as claimed in claim 1, wherein the battery (1) has a cylindrical shape.