Lithium battery protection board with self-alarm function

Abstract

The utility model discloses a lithium battery protection plate with a self-alarm function, which relates to the technical field of lithium battery protection, and comprises a protection plate body and a transverse frame, and the transverse frame is fixedly arranged at the edge of the top of the protection plate body. The transverse frame and the vertical frame are arranged on the rear side face of the protection plate body, the miniature buzzer and the rechargeable battery are arranged on the side face of the vertical frame, when a connecting wire plug is disengaged from the socket in the rear side face of the protection plate body, the rechargeable battery is driven to make contact with the miniature buzzer, the miniature buzzer can give out alarm sound, and therefore the safety of a user is guaranteed. The problem that in the prior art, when sockets of some lithium battery protection boards are separated from connecting line plugs, a user cannot know that safety accidents are possibly caused by over-charging, over-discharging, over-current or short circuit when the lithium batteries are in the working state without the protection boards in time is solved to a certain extent. And the problems of battery damage, overheating, even fire and explosion can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery protection technical field especially relates to a lithium battery protection board with self -warning function. BACKGROUND

[0002] Lithium battery protection board is a kind of electronic device for lithium battery safety management, and main function is to carry out overcharge, overdischarge, overcurrent, short circuit and temperature anomaly protection to lithium battery, ensure the safety and stability of battery under various working conditions. It cuts off circuit by real-time monitoring battery state, avoids battery damage or causes safety accident when abnormal condition occurs, in addition, protection board can also prolong the service life of battery, optimizes its performance.

[0003] At present, some lithium battery protection boards are connected with lithium batteries by plug and connecting line with plug for easy maintenance, however, when lithium battery protection board plug and connecting line plug are separated, user cannot know in time, lithium battery can cause safety accident, such as battery damage, overheat, even fire explosion under no protection board working state, plug separation, protection board cannot monitor battery state, user can be unaware of battery abnormal operation, delays processing opportunity. SUMMARY

[0004] The utility model discloses a lithium battery protection board with self -warning function, which can realize the electrical connection between the lithium battery protection board and the lithium battery through the plug and the connecting line with the plug, and can realize the self -warning function when the plug is separated from the connecting line plug.

[0005] In order to realize the above-mentioned purpose, the utility model discloses a technical scheme as follows:

[0006] A lithium battery protection board with self -warning function, including protection board body, horizontal frame, the horizontal frame is fixedly arranged in the top edge position of protection board body, the inside of horizontal frame is shifted along the horizontal direction and has guide block, the bottom of the front side of guide block is fixedly arranged with vertical frame, the top of vertical frame is close to the side face of guide block and is provided with storage frame, the side face of protection board body is provided with plug at equal intervals, the top of storage frame is provided with self -warning component that carries out the alarm when the plug of protection board body plug separates from each other.

[0007] Optionally, the lateral frame rear side is provided with a lateral slot, the guide block side is screwed with an adjusting bolt, the adjusting bolt passes through the lateral slot, and the adjusting bolt head is wider than the lateral slot.

[0008] Optionally, the self-warning assembly comprises a micro buzzer, a rechargeable battery, a vertical rod and a horizontal fork, the horizontal fork top is fixedly provided with the vertical rod, and the vertical frame is provided with a vertical slot in the vertical direction.

[0009] Optionally, the vertical rod extends into the vertical slot, the vertical slot side is fixedly provided with a horizontal column, the horizontal column other end is movably inserted into the vertical rod side top, and the horizontal column outer wall is fixedly connected with one end of the connecting spring.

[0010] Optionally, the other end of the connecting spring is fixedly connected to the vertical rod side, the vertical rod is fixedly provided with a limiting block below the vertical frame, and the vertical rod top is fixedly provided with a storage frame.

[0011] Optionally, the storage frame is movably inserted with the rechargeable battery, the vertical frame top is fixedly provided with the micro buzzer away from the guide block side, and the micro buzzer power supply column is opposite to the rechargeable battery power supply column.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model discloses a protection plate body rear side is provided with a lateral frame and a vertical frame, and the vertical frame side is provided with a micro buzzer and a rechargeable battery, when the connecting wire plug is separated from the socket on the protection plate body rear side, drives the rechargeable battery and the micro buzzer contact, and the micro buzzer will issue the alarm sound, reminds the lithium battery protection plate socket and the connecting wire plug separation, solves the lithium battery protection plate in some prior art to some extent for the maintenance, realizes the electrical connection with lithium battery through the socket and the connecting wire with the plug, however when the lithium battery protection plate socket and the connecting wire plug are separated, the user cannot know in time, and the lithium battery can cause safety accidents such as battery damage, overheat and even fire explosion under the no protection plate working condition.

[0014] 2. The self-warning assembly of the utility model is slidably arranged on the lateral frame side through the guide block, so that the position of the self-warning assembly can be moved horizontally in the horizontal direction, so that the self-warning assembly can be moved to the plug position at any position, and the self-warning function is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model.

[0016] Figure 2 It is the structure schematic view of the self-warning assembly.

[0017] Figure 3 For Figure 2 Another perspective structure schematic view.

[0018] In the figure: 1, transverse slot; 2, protection plate body; 3, transverse frame; 4, vertical frame; 41, vertical slot; 5, horizontal column; 6, connecting spring; 7, vertical rod; 8, limit block; 9, transverse fork; 10, storage frame; 11, rechargeable battery; 12, micro buzzer; 13, guide block; 14, adjusting bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0020] Referring to Figures 1-3 A lithium battery protection plate with self-warning function, comprising a protection plate body 2 and a transverse frame 3, the transverse frame 3 is fixedly arranged at the top edge position of the protection plate body 2, and the structure of the protection plate body 2 itself is disclosed in the patent document with the publication number CN104158156B. Therefore, the structure of the lithium battery protection plate itself is not described in detail in the present application.

[0021] The guide block 13 is transversely arranged in the horizontal direction inside the transverse frame 3, the vertical frame 4 is fixedly arranged at the bottom of the front side of the guide block 13, the transverse slot 1 is formed in the rear side of the transverse frame 3, the adjusting bolt 14 is screwed into the side of the guide block 13, the adjusting bolt 14 passes through the transverse slot 1, and the head of the adjusting bolt 14 is wider than the transverse slot 1. Therefore, the transverse position of the entire guide block 13 is adjustable, so that the entire self-warning assembly can be moved to different jack positions on the side of the protection plate body 2.

[0022] The storage frame 10 is arranged at the side of the vertical frame 4 close to the guide block 13, the jacks are equidistantly arranged on the side of the protection plate body 2, the storage frame 10 is provided with a self-warning assembly for alarming when the plug is separated from the jack of the protection plate body 2, the self-warning assembly comprises a micro buzzer 12, a rechargeable battery 11, a vertical rod 7 and a transverse fork 9, the vertical rod 7 is fixedly arranged at the top of the transverse fork 9, the vertical slot 41 is formed in the vertical frame 4 in the vertical direction, the vertical rod 7 extends into the vertical slot 41, and the horizontal column 5 is fixedly arranged at the side of the vertical slot 41.

[0023] The horizontal column 5 is movably inserted into the top of the side of the vertical rod 7, and the outer wall of the horizontal column 5 is fixedly connected with one end of the connecting spring 6, and the other end of the connecting spring 6 is fixedly connected on the side of the vertical rod 7, and the vertical rod 7 is fixedly provided with a limiting block 8 below the vertical frame 4, and the vertical rod 7 is fixedly provided with a storage frame 10 on the top, and the storage frame 10 is movably inserted with a charging battery 11, and the vertical frame 4 is fixedly provided with a micro buzzer 12 on the top away from the side of the guiding block 13, and the power connection column of the micro buzzer 12 is opposite to the power supply column of the charging battery 11, and when the power connection column of the micro buzzer 12 contacts with the power supply column of the charging battery 11, the micro buzzer 12 will be powered and alarm.

[0024] The specific implementation steps and principles of the utility model are as follows:

[0025] The horizontal moving fork 9 is moved to the farthest distance away from the guiding block 13, the plug is inserted into the socket, and then the horizontal moving fork 9 is loosened, at this time, the micro buzzer 12 is separated from the charging battery 11, the connecting line of the plug is inserted into the gap of the horizontal moving fork 9, when the plug is separated from the socket due to external dragging, the horizontal moving fork 9 is pushed to the top of the storage frame 10, and the storage frame 10 is close to the micro buzzer 12, at this time, the power connection column of the micro buzzer 12 is attached to the power supply column of the charging battery 11, and the micro buzzer 12 generates sound.

[0026] The above is only the preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the inventive concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A lithium battery protection plate with self-warning function, comprising a protection plate body (2) and a transverse frame (3), characterized in that, The protection plate body (2) top edge position fixedly provided with transverse frame (3), the inside of transverse frame (3) along horizontal direction transverse guide block (13), the front side of guide block (13) bottom fixedly provided with vertical frame (4), the top of vertical frame (4) is close to the side of guide block (13) and is provided with storage frame (10), the side of protection plate body (2) equidistantly is provided with socket, the top of storage frame (10) is provided with self-warning assembly when the plug of socket of protection plate body (2) is separated from the plug alarm.

2. The lithium battery protection board with self-protection function according to claim 1, characterized in that, The rear side of transverse frame (3) is provided with transverse slot (1), the side of guide block (13) is screwed into adjusting bolt (14), adjusting bolt (14) passes through transverse slot (1), the head of adjusting bolt (14) is wider than transverse slot (1).

3. The lithium battery protection board with self-protection function according to claim 1, characterized in that, The self-warning assembly includes micro buzzer (12), rechargeable battery (11), vertical rod (7), transverse fork (9), the top of transverse fork (9) is fixedly provided with vertical rod (7), the vertical frame (4) is provided with vertical slot (41) along vertical direction.

4. The lithium battery protection plate with self-protection function according to claim 3, characterized in that, The vertical rod (7) extends into vertical slot (41), the side of vertical slot (41) is fixedly provided with horizontal column (5), the other end of horizontal column (5) is movably inserted into the top of the side of vertical rod (7), the outer wall of horizontal column (5) is fixedly connected with one end of connecting spring (6).

5. The lithium battery protection board with self-protection function according to claim 4, characterized in that, The other end of connecting spring (6) is fixedly connected with the side of vertical rod (7), the vertical rod (7) is fixedly provided with limit block (8) below vertical frame (4), the top of vertical rod (7) is fixedly provided with storage frame (10).

6. The lithium battery protection board with self-protection function according to claim 5, characterized in that, The inside of storage frame (10) is movably inserted with rechargeable battery (11), the top of vertical frame (4) is fixedly provided with micro buzzer (12) away from the side of guide block (13), the power column of micro buzzer (12) is opposite to the power supply column of rechargeable battery (11).

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