Battery safety monitoring device based on sound recognition

Abstract

The utility model relates to a battery safety monitoring device, belongs to the technical field of battery monitoring, and particularly relates to a battery safety monitoring device based on sound recognition, which comprises an outer box, a battery body is arranged in the outer box, a cover plate is clamped at the top of the outer box, a heat dissipation component is arranged in the outer box, and a sound production component is arranged in the cover plate. The sound production assembly comprises a circuit board, a contact spring and a sound amplification box. According to the utility model, the temperature in the outer box is detected through the temperature sensor on the circuit board, the voltage and the current of the battery body are detected through the voltage sensor and the current sensor on the circuit board, and the contact spring is contacted with the side wall of the battery body; the sound emitted from the interior of the battery body can be timely transmitted to the acoustic sensor on the circuit board, so that the situation that the interior of the battery body cannot be monitored is avoided; the problem that an existing monitoring device cannot detect the interior of the battery is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery monitoring technical field, especially a battery safety monitoring device based on voice recognition. BACKGROUND

[0002] The battery safety monitoring device is an important equipment for guaranteeing the safe use of the battery and can timely find the abnormal condition of the battery. Once a problem occurs, the device can quickly alarm to prevent the battery from catching fire, exploding and other dangers, and is widely used in the fields of electric vehicles, energy storage power stations and the like to ensure the safe and stable operation of the battery system.

[0003] According to the search, the battery safety monitoring device disclosed in the patent with the patent number CN221427822U comprises a device shell, a top cover and a lithium battery body. The inside of the device shell is provided with a bottom buffer plate. The upper end of the bottom buffer plate is provided with a bottom support plate. The upper end of the bottom support plate is provided with the lithium battery body. The upper end of the lithium battery body is provided with a top connecting plate. A fiber Bragg grating sensor is arranged on the side surface of the lithium battery body. A temperature sensor is arranged in the inside of the device shell. A drying device is arranged at the upper end of the device shell. Heat dissipation mechanisms are arranged on the left and right sides of the device shell. The patent can effectively detect the swelling of the lithium battery, timely find the abnormal state of the battery, prevent the battery from catching fire, exploding and other dangers caused by excessive swelling, and guarantee the safety of the battery and equipment. The inside of the device is cooled, the temperature inside the device is reduced, the stability and service life of the battery are improved, and the use time of the battery is prolonged.

[0004] In the above-mentioned prior art, the swelling of the battery is detected by the fiber Bragg grating sensor. However, in actual use, the battery first changes internally. When the changes in the battery accumulate to a certain extent, the side wall of the battery will deform. The above-mentioned prior art detects the side wall of the battery and cannot timely detect the internal condition of the battery. Utility model content

[0005] In order to solve the above-mentioned technical problem, the utility model provides a battery safety monitoring device based on voice recognition. The contact spring is in contact with the side wall of the battery body, so that the sound emitted from the inside of the battery body can be timely conducted into the acoustic sensor on the circuit board, avoiding the situation that the abnormality in the inside of the battery body cannot be monitored.

[0006] The technical solution for realizing the utility model is as follows: a battery safety monitoring device based on voice recognition comprises an outer box, a battery body arranged in the inside of the outer box, a cover plate clamped at the top of the outer box, a heat dissipation assembly arranged in the inside of the outer box, and a sound generating assembly arranged in the inside of the cover plate.

[0007] The circuit board is fixedly installed on the inner bottom wall of the cover plate, and the circuit board is internally provided with a buzzer, a voltage sensor, a current sensor, a temperature sensor and an acoustic sensor. The voltage sensor and the current sensor are electrically connected with the battery body. The temperature sensor is located in the inside of the outer box. The contact spring is fixedly installed on the side wall of the acoustic sensor of the circuit board.

[0008] The contact spring is in a spiral shape, and the bottom end of the contact spring is attached to the side wall of the battery body.

[0009] The loudspeaker box is fixedly installed on the top wall of the circuit board, and the inner side wall of the loudspeaker box is in an inclined shape. The partition net is fixedly installed on the top wall of the loudspeaker box.

[0010] In some embodiments, the heat dissipation assembly comprises;

[0011] The protective net is provided with two, and the two protective nets are fixedly installed on the left and right side walls of the outer box.

[0012] The fixed frame is fixedly installed on one side of the inner side wall of the outer box.

[0013] The partition plate is fixedly installed on the side wall of the fixed frame close to the battery body.

[0014] The exhaust fan motor is fixedly installed on the side wall of the partition plate, and the output end of the exhaust fan motor is fixedly installed with a fan blade.

[0015] In some embodiments, the outer box is externally provided with a fixing assembly, and the fixing assembly comprises;

[0016] The fixing block and the fixing screw are provided with a plurality of, the plurality of fixing blocks are fixedly installed on the side wall of the outer box, the fixing screw is arranged on the top of the cover plate, and the position of the fixing screw is aligned with the position of the fixing block. The bottom end of the fixing screw is threaded through the side wall of the cover plate and the fixing block.

[0017] In some embodiments, the side wall of the partition plate is provided with a honeycomb-shaped hole.

[0018] In some embodiments, the inner side wall of the outer box is provided with a support assembly, and the support assembly comprises;

[0019] The pad strip, the pressing strip and the pressing pad are provided with a plurality of, the plurality of pad strips are fixedly installed on the inner bottom wall of the outer box at equal intervals, the plurality of pressing strips are fixedly installed on the inner side wall of the outer box and the side wall of the partition plate in a mirror image, and the plurality of pressing pads are fixedly installed on the bottom wall of the cover plate.

[0020] In some embodiments, the pressing strip is in an arc shape, and the side wall of the pressing pad is provided with a plurality of through holes.

[0021] Compared with the prior art, the utility model has the following remarkable advantages:

[0022] One: the utility model discloses a temperature sensor on the circuit board detects the temperature in the outer box, the voltage sensor and the current sensor on the circuit board detect the voltage and the current of the battery body, the contact spring contacts the side wall of the battery body, the sound inside the battery body can be conducted to the acoustic sensor on the circuit board in time, the abnormal situation inside the battery body cannot be monitored, when each sensor on the circuit board detects the abnormality, the buzzer on the circuit board emits the alarm sound, the sound volume of the buzzer is improved through the loudspeaker, the abnormality in the outer box can be heard by the staff, the top of the circuit board is protected through the separation net.

[0023] Two: the utility model discloses a pad strip supports the bottom of the battery body, the bottom of the battery body has space for air flow, the battery body is convenient for heat dissipation, the left and right sides of the battery body are clamped through multiple pressing strips, the position of the battery body is stable, the top of the battery body is pressed through the pressing pad, the position of the battery body is further reinforced, multiple through holes are formed in the side wall of the pressing pad, air flow is convenient, multiple pressing pads can be interconnected, the sound propagation of the top of the battery body is convenient, and the sound propagation is not affected by the pressing pad. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model will be explained further in connection with the drawings and examples:

[0025] Fig. 1 It is the whole structure three-dimensional schematic view of the utility model;

[0026] Fig. 2 It is the internal structure three-dimensional schematic view of the outer box of the utility model;

[0027] Fig. 3 It is the cover plate upside down three-dimensional schematic view of the utility model.

[0028] Mark explanation:

[0029] 1, outer box;2, cover plate;3, fixed block;4, fixed screw;5, battery body;6, circuit board;7, loudspeaker;8, separation net;9, protective net;10, fixed frame;11, separation plate;12, exhaust fan motor;13, fan blade;14, pad strip;15, pressing strip;16, contact spring;17, pressing pad. DETAILED DESCRIPTION

[0030] The utility model makes a detailed description below, and clearly and completely describes the technical scheme in the utility model embodiment. Apparently, the described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] The utility model discloses a battery safety monitoring device based on sound recognition improves in this, the technical scheme of the utility model is:

[0032] As Figs. 1-3As shown, a kind of battery safety monitoring device based on sound recognition, the inside of outer box 1 is provided with battery body 5, the top of outer box 1 is clamped with cover plate 2, the inside of outer box 1 is provided with heat dissipation assembly, heat dissipation assembly includes protective net 9, fixed frame 10, partition plate 11 and exhaust fan motor 12, protective net 9 has two, two protective net 9 is fixedly installed on the left and right two side wall surfaces of outer box 1, fixed frame 10 is fixedly installed on the inside wall of outer box 1 one side, partition plate 11 is fixedly installed on the side wall surface of fixed frame 10 side close to battery body 5, the side wall of partition plate 11 is provided with the hole of honeycomb shape, exhaust fan motor 12 is fixedly installed on the side wall of partition plate 11, the output end of exhaust fan motor 12 is fixedly installed with fan blade 13;The output end of exhaust fan motor 12 drives fan blade 13 to rotate, the air outside is drawn into the inside of outer box 1 through the protective net 9 far from fixed frame 10, then is discharged outward through the protective net 9 close to fixed frame 10, so that the air flow in the inside of outer box 1, the battery body 5 in the inside of outer box 1 is conveniently heat dissipated;The inside of cover plate 2 is provided with sound production assembly, sound production assembly includes circuit board 6, loudspeaker 7 and contact spring 16, circuit board 6 is fixedly installed on the inside bottom wall surface of cover plate 2, the inside of circuit board 6 is provided with buzzer, voltage sensor, current sensor, temperature sensor and acoustic sensor, voltage sensor and current sensor are electrically connected with battery body 5, temperature sensor is in the inside of outer box 1, contact spring 16 is fixedly installed on the side wall of acoustic sensor on circuit board 6, contact spring 16 is spiral, the bottom end of contact spring 16 is attached to the side wall of battery body 5, loudspeaker 7 is fixedly installed on the top wall surface of circuit board 6, and the inside wall of loudspeaker 7 is inclined, and separating net 8 is fixedly installed on the top wall surface of loudspeaker 7;The inside of fixed frame 10 is separated from circuit board 6 by being provided with the hole of honeycomb shape on the side wall of partition plate 11, to avoid the case that the noise generated when exhaust fan motor 12 works influences acoustic sensor on circuit board 6, the temperature in the inside of outer box 1 is detected by temperature sensor on circuit board 6, the voltage and current of battery body 5 are detected by voltage sensor and current sensor on circuit board 6, the inside of battery body 5 is contacted with contact spring 16, so that the sound emitted from the inside of battery body 5 can be conducted into acoustic sensor on circuit board 6 in time, to avoid the case that the abnormal sound in the inside of battery body 5 cannot be detected by acoustic sensor on circuit board 6 by air propagation, when each sensor on circuit board 6 detects abnormality, alarm sound is emitted by buzzer on circuit board 6, the volume of buzzer is improved by loudspeaker 7, to ensure that the abnormality in the inside of outer box 1 can be heard by staff, and the top of circuit board 6 is protected by separating net 8.

[0033] As Figs. 1-3As shown in the figure, in this embodiment, the outer box 1 is provided with a fixing assembly outside, which comprises fixing blocks 3 and fixing screws 4, and the fixing blocks 3 and the fixing screws 4 are shared by multiple, the multiple fixing blocks 3 are fixedly installed on the side wall of the outer box 1, the fixing screws 4 are arranged at the top of the cover plate 2, and the positions of the fixing screws 4 are aligned with the positions of the fixing blocks 3, and the bottom ends of the fixing screws 4 are threaded through the side walls of the cover plate 2 and the fixing blocks 3; by threading the fixing screws 4 through the side walls of the cover plate 2 and the fixing blocks 3, the fixing screws 4 can fix the cover plate 2 at the top of the outer box 1, and the position of the outer box 1 is fixed.

[0034] As shown in the figure, Figs. 2-3 As shown in the figure, in this embodiment, the outer box 1 is provided with a support assembly inside, which comprises cushion strips 14, pressing strips 15 and pressing cushions 17, and the cushion strips 14, the pressing strips 15 and the pressing cushions 17 are shared by multiple, the multiple cushion strips 14 are fixedly installed at equal intervals on the inner bottom wall surface of the outer box 1, the multiple pressing strips 15 are fixedly installed in mirror image on the inner side wall of the outer box 1 and the side wall of the partition plate 11, the pressing strips 15 are in arc shape, the multiple pressing cushions 17 are fixedly installed on the bottom wall surface of the cover plate 2, and multiple through holes are formed in the side wall of the pressing cushion 17; the bottom of the battery body 5 is supported by the cushion strips 14, so that the bottom of the battery body 5 has space for air flow, which facilitates heat dissipation of the battery body 5, the left and right sides of the battery body 5 are clamped by the multiple pressing strips 15, so that the position of the battery body 5 is stable, the pressing cushions 17 are pressed on the top of the battery body 5, so that the position of the battery body 5 is further reinforced, and multiple through holes are formed in the side wall of the pressing cushion 17, which facilitates air flow, and at the same time, the multiple pressing cushions 17 can be connected with each other, which facilitates the propagation of sound at the top of the battery body 5, and avoids the situation that the pressing cushions 17 affect the propagation of sound.

[0035] The specific working method is: the fan blade 13 is driven to rotate through the output end of the air suction motor 12, external air is sucked into the inside of the outer box 1 through the protective net 9 far away from the fixed frame 10, and then is discharged outward through the protective net 9 close to the fixed frame 10, so that the air in the outer box 1 flows, heat dissipation of the battery body 5 in the outer box 1 is facilitated, the inside of the fixed frame 10 is separated from the circuit board 6 by the honeycomb-shaped holes formed in the side wall of the partition plate 11, the situation that the noise generated when the air suction motor 12 works affects the acoustic sensor on the circuit board 6 is avoided, the temperature in the outer box 1 is detected through the temperature sensor on the circuit board 6, the voltage and current of the battery body 5 are detected through the voltage sensor and the current sensor on the circuit board 6, the inside of the battery body 5 emits sound, which can be conducted to the acoustic sensor on the circuit board 6 in time through the contact spring 16 in contact with the side wall of the battery body 5, the situation that the abnormal sound in the battery body 5 cannot be detected by the acoustic sensor on the circuit board 6 through air propagation is avoided, when each sensor on the circuit board 6 detects an abnormality, an alarm sound is emitted through the buzzer on the circuit board 6, the volume of the buzzer is improved through the loudspeaker 7, the abnormality in the outer box 1 can be heard by the staff, the top of the circuit board 6 is protected through the partition net 8, the bottom of the battery body 5 is supported through the pad strip 14, so that the bottom of the battery body 5 has space for air flow, heat dissipation of the battery body 5 is facilitated, the left and right sides of the battery body 5 are clamped through the plurality of pressing strips 15, the position of the battery body 5 is ensured to be stable, and the position of the battery body 5 is further reinforced through the pressing pad 17 pressed on the top of the battery body 5.

[0036] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above technical means, but also includes the technical scheme composed by the equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A sound recognition-based battery safety monitoring device, comprising an outer box (1), the inside of the outer box (1) being provided with a battery body (5), and a cover plate (2) being clamped on the top of the outer box (1), characterized in that: The inside of the outer box (1) is provided with a heat dissipation assembly, the inside of the cover plate (2) is provided with a sound generating assembly, the sound generating assembly comprises; The circuit board (6) is fixedly installed on the inner bottom wall of the cover plate (2), the inside of the circuit board (6) is provided with a buzzer, a voltage sensor, a current sensor, a temperature sensor and an acoustic sensor, the voltage sensor and the current sensor are electrically connected with the battery body (5), the temperature sensor is in the inside of the outer box (1), the contact spring (16) is fixedly installed on the side wall of the acoustic sensor of the circuit board (6); The contact spring (16) is in a spiral shape, and the bottom end of the contact spring (16) is attached to the side wall of the battery body (5); The loudspeaker box (7) is fixedly installed on the top wall of the circuit board (6), and the inner side wall of the loudspeaker box (7) is inclined, and the partition net (8) is fixedly installed on the top wall of the loudspeaker box (7).

2. The sound recognition based battery safety monitoring device of claim 1, wherein: The heat dissipation assembly comprises; The protective net (9) is provided with two, and the two protective nets (9) are fixedly installed on the left and right side walls of the outer box (1); The fixed frame (10) is fixedly installed on one side of the inner side wall of the outer box (1); The partition plate (11) is fixedly installed on the side wall of the fixed frame (10) close to the battery body (5); The exhaust fan (12) is fixedly installed on the side wall of the partition plate (11), and the output end of the exhaust fan (12) is fixedly installed with a fan blade (13).

3. The sound recognition based battery safety monitoring device of claim 1, wherein: The outside of the outer box (1) is provided with a fixing assembly, and the fixing assembly comprises; The fixing block (3) and the fixed screw rod (4) are provided with a plurality of, the plurality of fixing blocks (3) are fixedly installed on the side wall of the outer box (1), the fixed screw rod (4) is arranged on the top of the cover plate (2), and the position of the fixed screw rod (4) is aligned with the position of the fixing block (3), and the bottom end of the fixed screw rod (4) is threaded through the side wall of the cover plate (2) and the fixing block (3).

4. The sound recognition based battery safety monitoring device of claim 2, wherein: The side wall of the partition plate (11) is provided with a honeycomb-shaped hole.

5. The sound recognition based battery safety monitoring device of claim 1, wherein: The inside of the outer box (1) is provided with a support assembly, and the support assembly comprises; The cushion strip (14), the pressing strip (15) and the pressing cushion (17) are provided with a plurality of, the plurality of cushion strips (14) are fixedly installed on the inner bottom wall of the outer box (1) at equal intervals, the plurality of pressing strips (15) are fixedly installed on the inner side wall of the outer box (1) and the side wall of the partition plate (11) in a mirror image, and the plurality of pressing cushions (17) are fixedly installed on the bottom wall of the cover plate (2).

6. The sound recognition based battery safety monitoring device of claim 5, wherein: The pressing strip (15) is in an arc shape, and a plurality of through holes are formed in the side wall of the pressing cushion (17).

Images