CN216374266U

CN216374266U - Circuit system of battery

Info

Publication number: CN216374266U
Application number: CN202122929504.XU
Authority: CN
Inventors: 王安楷; 龙江; 黄晓阳
Original assignee: Shenzhen Yian New Power Technology Co ltd
Current assignee: Shenzhen Yian New Power Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-26
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a circuit system of a battery, which comprises an MCU module, an acceleration sensor, a battery management module, a lightning protection module, a battery protection board and a communication module, wherein the acceleration sensor, the battery management module, the lightning protection module, the battery protection board and the communication module are connected with the MCU module; according to the utility model, in the acceleration process of the electric vehicle, when collision impact occurs, the MCU module automatically acquires the acceleration value of the acceleration sensor and uploads the acceleration value to the data platform, the data platform sends abnormal data to the client mobile terminal and the battery provider through short messages, so that potential safety hazards caused by continuous use of the battery after collision impact are prevented, the battery provider timely withdraws the battery for maintenance, and the battery is prevented from being continuously used in the market to cause potential safety hazards.

Description

Circuit system of battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a circuit system of a battery.

Background

The current electric motor car user is more and more, the electric motor car often appears the collision in the use, traffic accident is also frequent, and can't effectively judge the collision of battery in the use as battery producer or provider, the artifical improper striking battery of operation leads to the quality nature dispute of various suppliers and users, the responsibility is difficult to divide, the inside battery of present electric motor car and the general formula design as an organic whole of electric motor car, be difficult to judge the state of battery, if the battery has a problem, all remove special electric motor car after-sale maintenance point and dismantle the change.

The utility model discloses a chinese utility model with publication number CN212447133U discloses a shared battery and an intelligent shared electric vehicle using the shared battery, which relates to the electric vehicle field, the shared battery comprises a battery microcontroller and a first IGBT module connected with the battery microcontroller, the intelligent shared electric vehicle comprises an electric vehicle body and a shared battery, the electric vehicle body comprises an electric vehicle microcontroller and a second IGBT module and a lithium battery module connected with the electric vehicle body, the lithium battery module is connected with an emitter of the second IGBT module, a collector of the first IGBT module is connected with a battery core module, the emitter of the first IGBT module is connected with a collector of the second IGBT module, the emitter of the second IGBT module is connected with an electric vehicle motor control module; after the electric vehicle microcontroller is in communication connection with the battery microcontroller, the first IGBT module and the second IGBT module are respectively controlled to be conducted, however, the reason that the shared battery cannot damage the battery is manual or impact.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a circuit system of a battery, which can judge whether the battery is damaged due to impact or human factors.

The purpose of the utility model is realized by the following technical scheme:

a circuit system of a battery comprises an MCU module, an acceleration sensor, a battery management module, a lightning protection module, a battery protection board and a communication module, wherein the acceleration sensor, the battery management module, the lightning protection module, the battery protection board and the communication module are connected with the MCU module; the communication module is connected with the output end of the lightning protection module, and the input end of the lightning protection module is connected with the MCU module.

Furthermore, the acceleration sensor comprises a mass block, a damper, an elastic element, a sensitive element and an adaptive circuit which are connected, the acceleration sensor measures the inertia force borne by the mass block, the MCU module obtains the inertia force data, the acceleration value is obtained through calculation, and the acceleration value is uploaded to the data platform.

Furthermore, the circuit system of the battery further comprises a storage module for storing acceleration value information, and the storage module is connected with the MCU module.

Further, the MCU module integrates I₂C. SPI, UART serial interface module.

Furthermore, the storage module is a flash memory chip with an I integrated therein₂C. And the SPI serial digital interface module.

Furthermore, the battery management module is a CMOS switch circuit, and the storage module is disconnected when the acceleration sensor does not collect data.

Furthermore, the communication module is provided with a communication antenna for receiving and sending acceleration value information to the data platform.

Further, the communication module is 3G communication, 4G communication or 5G communication.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. in the acceleration process of the electric vehicle, the inertia force borne by the mass block is measured, the acceleration value is obtained by utilizing the Newton's second law, when collision impact occurs, the MCU module automatically obtains the acceleration value of the acceleration sensor and uploads the acceleration value to the data platform, the background server judges whether the acceleration force is normal or not, if the acceleration force is abnormal, the data platform sends abnormal data to the client mobile terminal and the battery provider through short messages, the potential safety hazard generated by continuous use of the battery after the collision impact is prevented, visual data judgment is provided for a user, the battery provider or a police to make judgment, the reason that the battery is damaged can be distinguished as man-made or impact, the battery provider timely withdraws the battery for maintenance, and the potential safety hazard generated by continuous use of the battery in the market is prevented.

2. The acceleration data are stored in the storage module, the data acquisition process is not influenced by the wireless communication environment, and the data can be repeatedly read for many times and cannot be lost.

3. Data acquisition can be simultaneously carried out on a plurality of acceleration sensors, the sampling rate of a single acceleration sensor is kept unchanged, and the data sampling rate cannot be reduced due to alternate opening of the communication modules.

Drawings

FIG. 1 is a block diagram of circuitry for a battery;

fig. 2 is a partial circuit schematic of a battery circuitry.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, a circuit system of a battery includes an MCU module, and an acceleration sensor, a battery management module, a lightning protection module, a battery protection board, and a communication module connected to the MCU module, wherein the circuit system is further connected to a data platform, and the acceleration sensor is embedded in the battery and used for detecting an acceleration value of the battery; the communication module is connected with the output end of the lightning protection module, and the input end of the lightning protection module is connected with the MCU module.

The lightning protection module has excellent lightning protection, including direct lightning protection, power line lightning protection, signal line lightning protection and grounding system; the service life can be effectively prolonged by providing a lightning protection function for the equipment; the acceleration sensor is designed to be pluggable, and can be replaced at any time when the acceleration sensor fails, so that the system efficiency is improved, and the maintenance complexity is reduced.

The acceleration sensor comprises a mass block, a damper, an elastic element, a sensing element and an adaptive circuit which are connected, the acceleration sensor measures the inertial force borne by the mass block, the MCU module obtains the inertial force data, the acceleration value is obtained through calculation, and the acceleration value is uploaded to the data platform.

The circuit system of the battery further comprises a storage module used for storing acceleration value information, and the storage module is connected with the MCU module. The MCU module integrates I₂C. SPI, UART serial interface module. The storage module is a flash memory chip and internally integrates I₂C. And the SPI serial digital interface module. The battery management module is a CMOS switch circuit, and when the acceleration sensor does not collect data, the storage module is disconnected, so that the power consumption of a circuit system of the battery is reduced.

The communication module is provided with a communication antenna and is used for receiving and sending acceleration value information to the data platform. The communication module is 3G communication, 4G communication or 5G communication, and the transmission of acceleration information is quicker.

During acceleration, an acceleration sensor is embedded into a battery pack and connected with an MCU module by measuring the inertial force borne by a mass block and utilizing Newton's second law to obtain an acceleration value, when collision impact occurs, the MCU module automatically obtains the acceleration value of the acceleration sensor and uploads a data platform, the data platform judges whether the acceleration force is normal or not, if the acceleration force is abnormal, the data platform sends abnormal data to a client mobile terminal and a battery provider through a short message to prevent potential safety hazards caused by continuous use of the battery after the collision impact, visual data judgment is provided for a user, the battery provider or a police to make responsibility judgment, and if the battery is artificially damaged, a circuit system greatly differs from the feedback acceleration change information generated by the impact, and the battery provider timely withdraws the battery, and the maintenance is carried out, so that the potential safety hazard of the battery caused by the continuous use of the battery in the market is prevented.

It should be understood that the above-described embodiments are merely preferred embodiments of the present invention and the technical principles applied thereto, and that any changes, modifications, substitutions, combinations and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention shall be regarded as equivalent substitutions and shall be covered by the protection scope of the present invention.

Claims

1. A circuit system for a battery, comprising: the circuit system is characterized by comprising an MCU module, an acceleration sensor, a battery management module, a lightning protection module, a battery protection board and a communication module, wherein the acceleration sensor, the battery management module, the lightning protection module, the battery protection board and the communication module are connected with the MCU module; the communication module is connected with the output end of the lightning protection module, and the input end of the lightning protection module is connected with the MCU module.

2. The battery circuitry of claim 1, wherein: the acceleration sensor comprises a mass block, a damper, an elastic element, a sensing element and an adaptive circuit which are connected, the acceleration sensor measures the inertial force borne by the mass block, the MCU module obtains the inertial force data, the acceleration value is obtained through calculation, and the acceleration value is uploaded to the data platform.

3. The battery circuitry of claim 2, wherein: the circuit system of the battery further comprises a storage module used for storing acceleration value information, and the storage module is connected with the MCU module.

4. The battery circuitry of claim 3, wherein: the MCU module integrates I₂C. SPI, UART serial interface module.

5. According to claim 4The circuit system of the battery is characterized in that: the storage module is a flash memory chip and internally integrates I₂C. And the SPI serial digital interface module.

6. The battery circuitry of claim 5, wherein: the battery management module is a CMOS switch circuit, and the storage module is disconnected when the acceleration sensor does not collect data.

7. The battery circuitry of claim 6, wherein: the communication module is provided with a communication antenna and is used for receiving and sending acceleration value information to the data platform.

8. The battery circuitry of claim 7, wherein: the communication module is 3G communication, 4G communication or 5G communication.