Battery protection structure

Abstract

The utility model provides a battery protection structure, which relates to the technical field of battery protection and comprises a protection box, a flame-retardant plate is fixedly connected in the protection box, a controller and a battery pack are mounted in the flame-retardant plate, and a top cover is arranged at the top of the protection box. A square shell penetrates through and is fixedly connected to one end, close to the center, of the protection box, one end of the square shell penetrates through and is fixedly connected with the flame-retardant plate, and a relay is installed in the square shell. When the temperature sensor senses that the surface temperature of the battery pack is too high, the temperature sensor can transmit a signal to the controller, and the controller can control the relay to be disconnected with the battery pack, so that the effect of protecting the battery pack can be achieved, and the effect of prolonging the service life of the battery pack can be achieved; and the effect of preventing fire caused by too high temperature can be achieved, so that the effect of improving the safety of the battery can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery protection technical field especially relates to a battery protection structure. BACKGROUND

[0002] Battery refers to the cup, the space of the part of other container or composite container of the space of the part of other container or composite container that has electrolyte solution and metal electrode to produce electric current, can convert chemical energy into electric energy device. Have the division of positive pole, negative pole. With the progress of science and technology, battery refers to the small device that can generate electric energy. Such as solar cell. The performance parameters of battery mainly have electromotive force, capacity, specific energy and resistance. Using battery as energy source, can get the electric current that has little influence from outside world with stable voltage, stable current, long time stable power supply, and battery structure is simple, convenient to carry, charge and discharge operation is simple and easy, is not affected by outside climate and temperature, stable and reliable performance, plays a very big role in various aspects of modern social life.

[0003] The surface temperature of the existing battery usually rises during charging or use, and when the temperature rises to a certain extent, the battery is usually damaged, and therefore, a battery protection structure is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a battery protection structure, which solves the problem that the surface temperature of the existing battery usually rises during charging or use, and when the temperature rises to a certain extent, the battery is usually damaged.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a battery protection structure, including the protection box, the inside fixedly connected with the fire -retardant board of protection box, the inside installation of fire -retardant board has controller and battery group, the top of protection box is equipped with top cover, and the one end of protection box is close to the center and is fixedly connected with the square shell through, the one end of square shell is fixedly connected with the fire -retardant board through, and the inside installation of square shell has relay, the surface of square shell is fixedly connected with the connecting line through, the connecting line is electric connection with battery group through relay, the surface of fire -retardant board and between controller and battery group installs temperature sensor, temperature sensor is connected with the input end signal of controller, and the output end of controller is connected with the signal of relay.

[0006] Preferably, the top of the protection box is provided with a ring groove, and the ring plate is embedded in the ring groove.

[0007] Preferably, the bottom of the top cover is fixedly connected with a protective cushion, and the bottom of the protective cushion is attached to the top of the controller and the battery pack.

[0008] Preferably, square blocks are fixedly connected to the inside of the protective box and close to the four corners of the top, and mounting holes are formed in the top of the top cover and close to the four corners, and the mounting holes are aligned with the square blocks.

[0009] Preferably, a handle is fixedly connected to the top of the top cover.

[0010] Preferably, the controller is electrically connected with the battery pack, the relay and the temperature sensor.

[0011] Compared with the prior art, the battery protection structure has the advantages and positive effects that,

[0012] 1. When the temperature sensor senses that the surface temperature of the battery pack is too high, the temperature sensor can transmit a signal to the controller, and the controller can control the relay to be disconnected from the battery pack, thereby protecting the battery pack and prolonging the service life of the battery pack.

[0013] 2. The fireproof plate can prevent fire caused by high temperature, thereby improving the safety of the battery pack. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a perspective view of the overall structure of the battery protection structure according to the present application;

[0015] Figure 2 FIG. 2 is a vertical sectional view of the overall structure of the battery protection structure according to the present application;

[0016] Figure 3 FIG. 3 is a horizontal sectional view of the overall structure of the battery protection structure according to the present application;

[0017] Figure 4 FIG. 4 is a perspective view of a partial structure of the battery protection structure according to the present application;

[0018] Figure 5 FIG. 5 is a bottom view of the top cover of the battery protection structure according to the present application.

[0019] FIG. 1 is a perspective view of the overall structure of the battery protection structure according to the present application; DETAILED DESCRIPTION

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1, such as Figures 1-5 As shown, this utility model provides a battery protection structure, including a protective box 1. A flame-retardant plate 2 is fixedly connected inside the protective box 1. A controller 3 and a battery pack 4 are installed inside the flame-retardant plate 2. A top cover 5 is provided on the top of the protective box 1. A square shell 12 is fixedly connected through and near the center of one end of the protective box 1. One end of the square shell 12 passes through and is fixedly connected to the flame-retardant plate 2. A relay 13 is installed inside the square shell 12. A connecting wire 14 is fixedly connected through and through the surface of the square shell 12. The connecting wire 14 is electrically connected to the battery pack 4 through the relay 13, so as to control the connection between the battery pack 4 and the connecting wire through the relay 13. A temperature sensor 15 is installed on the surface of the flame-retardant plate 2 between the controller 3 and the battery pack 4. The temperature sensor 15 is signal-connected to the input terminal of the controller 3, and the output terminal of the controller 3 is signal-connected to the relay 13.

[0023] The overall effect of Embodiment 1 is as follows: a flame-retardant plate 2 is fixedly connected inside the protective box 1, and a controller 3 and a battery pack 4 are installed inside the flame-retardant plate 2. The top of the protective box 1 is provided with a top cover 5, which can cover the controller 3 and the battery pack 4, thereby protecting the controller 3 and the battery pack 4. A square shell 12 is fixedly connected through one end of the protective box 1 and near the center. One end of the square shell 12 passes through the flame-retardant plate 2 and is fixedly connected to it. A relay 13 is installed inside the square shell 12. A connecting wire 14 passes through and is fixedly connected to the surface of the square shell 12. A temperature sensor 15 is installed on the surface of the flame-retardant plate 2 and between the controller 3 and the battery pack 4. When the temperature sensor 15 senses that the surface temperature of the battery pack 4 is too high, the temperature sensor 15 can transmit a signal to the controller 3. At this time, the controller 3 can control the relay 13 to disconnect from the battery pack 4, which can protect the battery pack 4 and thus improve the service life of the battery pack 4.

[0024] Example 2, as Figures 1-5As shown, the top of the protection box 1 is provided with a ring groove 6, the inside of the ring groove 6 is embedded with a ring plate 7, the top of the ring plate 7 is fixedly connected with the bottom of the top cover 5; the bottom of the top cover 5 is fixedly connected with a protective soft pad 8, the bottom of the protective soft pad 8 is attached to the top of the controller 3 and the battery pack 4; the inside of the protection box 1 and close to the four corners of the top are all fixedly connected with square blocks 9, the top of the top cover 5 and close to the four corners are all provided with mounting holes 10, the mounting holes 10 are aligned with the square blocks 9; the top of the top cover 5 is fixedly connected with a handle 11; the controller 3 is electrically connected with the battery pack 4, the relay 13 and the temperature sensor 15.

[0025] The whole embodiment 2 achieves the effect that the top of the protection box 1 is provided with a ring groove 6, the inside of the ring groove 6 is embedded with a ring plate 7, the top of the ring plate 7 is fixedly connected with the bottom of the top cover 5, which can limit the top cover 5; the bottom of the top cover 5 is fixedly connected with a protective soft pad 8, the bottom of the protective soft pad 8 is attached to the top of the controller 3 and the battery pack 4, which can protect the top of the controller 3 and the battery pack 4; the inside of the protection box 1 and close to the four corners of the top are all fixedly connected with square blocks 9, the top of the top cover 5 and close to the four corners are all provided with mounting holes 10, the mounting holes 10 are aligned with the square blocks 9, which can make the screws install and fix the top cover 5; the top of the top cover 5 is fixedly connected with a handle 11, which can facilitate the carrying of the battery; the controller 3 is electrically connected with the battery pack 4, the relay 13 and the temperature sensor 15, which can make the temperature sensor 15 sense that the surface temperature of the battery pack 4 is too high, at this time the temperature sensor 15 can transmit a signal to the controller 3, at this time the controller 3 can control the relay 13 to disconnect the connection with the battery pack 4.

[0026] Working principle: by installing the controller 3 and the battery pack 4 in the inside of the flame-retardant plate 2, covering the top cover 5, and then embedding the screws in the inside of the square blocks 9 through the mounting holes 10, when the overcharging process is used, the inside temperature can be sensed by the temperature sensor 15, when the temperature is too high, the temperature sensor 15 can transmit a signal to the controller 3, at this time the controller 3 can control the relay 13 to disconnect the connection with the battery pack 4, which can protect the battery pack 4, thereby improving the service life of the battery pack 4, and the flame-retardant plate 2 between the protection box 1 and the controller 3 and the battery pack 4 can prevent the fire caused by the temperature being too high, thereby improving the safety of the battery.

[0027] The wiring diagram of the controller 3, the battery pack 4, the relay 13 and the temperature sensor 15 in the utility model belongs to the common knowledge in the field, and the working principle is a known technology, and the model is selected according to the actual use, so the control mode and the wiring arrangement of the controller 3, the battery pack 4, the relay 13 and the temperature sensor 15 are not explained in detail.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A battery protection structure, comprising a protection box (1), characterized in that: A flame-retardant plate (2) is fixedly connected inside the protective box (1). A controller (3) and a battery pack (4) are installed inside the flame-retardant plate (2). A top cover (5) is provided on the top of the protective box (1). A square shell (12) is fixedly connected through one end of the protective box (1) and near the center. One end of the square shell (12) is fixedly connected through the flame-retardant plate (2). A relay (13) is installed inside the square shell (12). A connecting wire (14) is fixedly connected through the surface of the square shell (12). The connecting wire (14) is electrically connected to the battery pack (4) through the relay (13). A temperature sensor (15) is installed on the surface of the flame-retardant plate (2) and between the controller (3) and the battery pack (4). The temperature sensor (15) is signal-connected to the input terminal of the controller (3). The output terminal of the controller (3) is signal-connected to the relay (13).

2. The battery protection structure according to claim 1, characterized in that: The top of the protective box (1) is provided with an annular groove (6), and an annular plate (7) is embedded inside the annular groove (6). The top of the annular plate (7) is fixedly connected to the bottom of the top cover (5).

3. The battery protection structure according to claim 1, characterized in that: The bottom of the top cover (5) is fixedly connected to a protective pad (8), and the bottom of the protective pad (8) is in contact with the top of the controller (3) and the battery pack (4).

4. The battery protection structure according to claim 1, characterized in that: Square blocks (9) are fixedly connected inside the protective box (1) and near the top four corners. Mounting holes (10) are opened on the top of the top cover (5) and near the four corners. The mounting holes (10) are aligned with the square blocks (9).

5. The battery protection structure according to claim 1, characterized in that: A handle (11) is fixedly connected to the top of the top cover (5).

6. The battery protection structure according to claim 1, characterized in that: The controller (3) is electrically connected to the battery pack (4), the relay (13) and the temperature sensor (15).

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