CN209822765U

CN209822765U - Multi-loop battery protection circuit board

Info

Publication number: CN209822765U
Application number: CN201920742753.8U
Authority: CN
Inventors: 晏泰山
Original assignee: Shenzhen Mintai Electronic Technology Co Ltd
Current assignee: Shenzhen Mintai Electronic Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2019-12-20
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a multiloop battery protection circuit board, include battery protection shield, prolong line subassembly, anodal guide card and negative pole guide card, it is equipped with two to prolong the line subassembly, and the symmetric distribution fixes in the battery protection shield bottom, anodal guide card and negative pole guide card symmetric distribution are in the battery protection shield bottom, and are connected with two extension line subassemblies respectively, the utility model discloses a prolong the length that the line subassembly can have extension anodal guide card and negative pole guide card, when making it install on multiloop battery, can not need external conductor because the positive negative pole is separated by too far on the multiloop battery, avoided the line loss that external conductor installation produced to and the personnel easily miss after installing external conductor and touch the scheduling problem.

Description

Multi-loop battery protection circuit board

Technical Field

The utility model relates to a battery protection circuit board technical field specifically is multiloop battery protection circuit board.

Background

The battery protection circuit board mainly aims at an integrated circuit board which can protect rechargeable (generally referred to as a lithium battery), the lithium battery (rechargeable type) needs to be protected and is determined by the characteristics of the lithium battery, and the lithium battery component of the lithium battery always follows a protection board with a sampling resistor and a current protector because the lithium battery cannot be overcharged, overdischarged, overcurrent, short-circuited and charged and discharged at ultrahigh temperature due to the determination of the material of the lithium battery.

The multi-loop battery is assembled by a plurality of lithium batteries into a whole and is suitable for the formation of a storage battery, the battery pack is charged and discharged, the series-parallel connection or series-connection charging and discharging are carried out, when a battery protection plate is installed, the battery protection plate needs to be welded with the positive electrode and the negative electrode of the battery pack through guide sheets, the distance between the positive electrode and the negative electrode of the battery pack is long due to the fact that the plurality of lithium batteries are assembled together, external leads are needed during welding, line loss can be caused due to the fact that the leads are too long, meanwhile when the leads are too long, personnel can easily touch the leads by mistake, the welding position can be broken.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiloop battery protection circuit board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the multi-loop battery protection circuit board comprises a battery protection board, two wire extending assemblies, a positive electrode guide sheet and a negative electrode guide sheet, wherein the two wire extending assemblies are symmetrically distributed and fixed at the bottom of the battery protection board, and the positive electrode guide sheet and the negative electrode guide sheet are symmetrically distributed at the bottom of the battery protection board and are respectively connected with the two wire extending assemblies.

Preferably, it comprises L shape slide, connecting pin and screw cap to prolong the line subassembly, L shape slide is equipped with two, and the symmetric distribution installs in the battery protection shield bottom, L shape slide inner wall and anodal guide vane or negative pole guide vane outside sliding connection, the battery protection shield is the rectangle and sets up by four connectors, the impartial distance in anodal guide vane and negative pole guide vane surface both ends has seted up a plurality of regulation mouths, connecting pin and screw cap all are equipped with two, and two connecting pin one end outsides all are carved with the external screw thread, connecting pin one end slides in proper order and runs through connector and regulation mouth to with screw cap threaded connection.

Preferably, the bottom of the battery protection board is provided with a gasket, the gasket is fixed to the bottom of the battery protection board through glue, and the gasket is sleeved outside the connecting pin in a sliding mode.

Preferably, the outer side of the threaded cap is carved with anti-slip threads.

Preferably, the outer sides of the positive electrode guide sheet and the negative electrode guide sheet are both provided with welding tooth openings.

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

1. the utility model discloses a prolong the length that the line subassembly can have extension anodal guide card and negative pole guide card, when making it install on the multiloop battery, can not need external conductor because the positive negative pole is separated by too far away on the multiloop battery, avoided the line loss that external conductor installation produced to and the easy mistake of personnel touches the scheduling problem after the installation external conductor.

2. The utility model discloses a screw cap outside is carved with anti-skidding line, increase frictional force, and the personnel of being convenient for adjust.

Drawings

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

FIG. 2 is a side view of the present invention in partial cross-sectional structure;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1-a battery protection plate; 2-a wire extending assembly; 3-positive pole guide sheet; 4-negative pole guide plate; 5-L-shaped sliding plate; 6-connecting pin; 7-a screw cap; 8-connecting port; 9-an adjusting port; 10-a gasket; 11-welding the tooth mouth.

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, the multi-loop battery protection circuit board shown in the figure includes a battery protection board 1, two wire extending assemblies 2, a positive electrode lead 3 and a negative electrode lead 4, wherein the two wire extending assemblies 2 are symmetrically fixed at the bottom of the battery protection board 1, the positive electrode lead 3 and the negative electrode lead 4 are symmetrically distributed at the bottom of the battery protection board 1 and are respectively connected with the two wire extending assemblies 2, and the wire extending assemblies 2, the positive electrode lead 3 and the negative electrode lead 4 are used in cooperation, so that the requirement that no external lead is needed when the battery protection board 1 is installed can be met.

The line extending component 2 is composed of an L-shaped sliding plate 5, a connecting pin 6 and a threaded cap 7, the L-shaped sliding plates 5 are arranged in two, the two sliding plates are symmetrically distributed at the bottom of the battery protection plate 1, the inner wall of the L-shaped sliding plate 5 is connected with the outer side of the positive electrode guide piece 3 or the outer side of the negative electrode guide piece 4 in a sliding mode, the battery protection plate 1 is provided with four connectors 8 in a rectangular mode, the two ends of the surface of the positive electrode guide piece 3 and the surface of the negative electrode guide piece 4 are equidistant and provided with a plurality of adjusting openings 9, the connecting pin 6 and the threaded cap 7 are both provided with two connecting pins, external threads are carved on the outer sides of one ends of the two connecting pins 6, one end of the connecting pin 6 slides in sequence to penetrate through the connectors 8 and the adjusting openings 9 and is in threaded connection with the threaded.

The specific implementation mode is as follows: when the battery protection plate 1 is installed, the size of the multi-loop battery and the distance between the anode and the cathode of the battery are observed firstly, after the optimal installation position is selected, the threaded cap 7 is unscrewed, the connecting pin 6 is pulled out, the connecting pin 6 is not clamped with the adjusting port 9, at the moment, the anode guide sheet 3 and the cathode guide sheet 4 are pulled out to move to the positions close to the anode and the cathode of the battery, then the connecting pin 6 is pressed downwards, one end of the connecting pin 6 is clamped with the adjusting port 9, the threaded cap 7 is screwed on simultaneously, and the threaded cap is screwed down, so that the anode guide sheet 3 and the cathode guide sheet 4 are both in tight contact with the gasket 10, then the welding tooth openings 11 at the outer ends of the anode guide sheet 3 and the cathode guide sheet 4 are welded with the anode and the cathode on the battery, the installation of the battery protection plate 1 is completed, the utility model can avoid the wire loss caused by the fact that the anode and the cathode on the multi, and the problem that the personnel is easy to touch by mistake after installing the external lead.

The bottom of the battery protection plate 1 is provided with a gasket 10, the gasket 10 is fixed with the bottom of the battery protection plate 1 through glue, and the gasket 10 is sleeved outside the connecting pin 6 in a sliding manner.

The outer side of the threaded cap 7 is carved with anti-skid lines, so that the friction force is increased, and the adjustment by personnel is facilitated.

The outer sides of the positive electrode guide sheet 3 and the negative electrode guide sheet 4 are both provided with welding tooth openings 11, so that welding of personnel is facilitated.

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.

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. Multiloop battery protection circuit board, including battery protection board (1), extend line subassembly (2), anodal guide card (3) and negative pole guide card (4), its characterized in that: the two wire extending assemblies (2) are symmetrically fixed at the bottom of the battery protection plate (1), and the positive electrode guide piece (3) and the negative electrode guide piece (4) are symmetrically distributed at the bottom of the battery protection plate (1) and are respectively connected with the two wire extending assemblies (2).

2. The multi-loop battery protection circuit board of claim 1, wherein: prolong line subassembly (2) and constitute by L shape slide (5), connecting pin (6) and screw cap (7), L shape slide (5) are equipped with two, and the symmetric distribution installs in battery protection board (1) bottom, L shape slide (5) inner wall and positive pole guide piece (3) or negative pole guide piece (4) outside sliding connection, battery protection board (1) is the rectangle and offers by four connector (8), a plurality of regulation mouths (9) have been offered to positive pole guide piece (3) and negative pole guide piece (4) surperficial equidistance in both ends, connecting pin (6) and screw cap (7) all are equipped with two, and all are carved with the external screw thread in two connecting pin (6) one end outsides, connecting pin (6) one end slides in proper order and runs through connector (8) and regulation mouth (9) to with screw cap (7) threaded connection.

3. The multi-loop battery protection circuit board of claim 2, wherein: the battery protection plate is characterized in that a gasket (10) is arranged at the bottom of the battery protection plate (1), the gasket (10) is fixed to the bottom of the battery protection plate (1) through glue, and the gasket (10) is sleeved on the outer side of the connecting pin (6) in a sliding mode.

4. The multi-loop battery protection circuit board of claim 2, wherein: anti-skid lines are carved on the outer side of the threaded cap (7).

5. The multi-loop battery protection circuit board of claim 2, wherein: and welding tooth openings (11) are formed in the outer sides of the positive electrode guide sheet (3) and the negative electrode guide sheet (4).