Battery safety monitoring system for new energy vehicle

Abstract

A battery safety monitoring system for a new energy vehicle, comprising a battery case (1). A battery pack is arranged in the battery case (1), a power supply module (2), a monitoring module (3) and a communication module (4) are arranged between the battery pack and the battery case (1), the power supply module (2) is electrically connected to the battery pack, the monitoring module (3) and the communication module (4), the monitoring module (3) establishes a connection with the communication module (4), the communication module (4) establishes communication with an in-vehicle infotainment system (5), and the communication module (4) establishes wireless communication with a monitoring platform (7) by means of a communication base station (6). In this way, by performing data collection on the battery pack by means of the monitoring module (3), intrinsic parameters of the battery and external environment parameters can be effectively sent to the in-vehicle infotainment system (5) and the monitoring platform (7) by means of the communication module; and thus once the monitoring platform (7) identifies by analysis that there is a potential safety hazard in the battery, the vehicle owner can be notified immediately, so that the vehicle owner can promptly learn about the status of the vehicle battery, thereby providing strong guarantee for the safe use of the electric vehicle.

Description

A new energy automobile battery safety monitoring system TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy automobile batteries, in particular to a new energy automobile battery safety monitoring system. BACKGROUND

[0002] An electric vehicle is a vehicle that uses a single battery as a power storage source. It uses a battery as a power storage source to provide power to an electric motor, drives the electric motor to run, and thus propels the vehicle to move. The rechargeable batteries of a pure electric vehicle mainly include lead-acid batteries, nickel-cadmium batteries, nickel-hydrogen batteries and lithium-ion batteries, etc. These batteries can provide power for a pure electric vehicle. At the same time, a pure electric vehicle also stores electric energy through a battery to drive the motor to run and allow the vehicle to move normally.

[0003] No matter which battery is used, its safety is an important indicator for evaluating the quality of an electric vehicle. Since the power battery of a vehicle is prone to self-ignition due to external environmental problems such as collision and water immersion, it is very important to monitor the safety of the battery. The monitoring technology for the battery in the prior art mostly monitors the working parameters such as current and voltage, and lacks a monitoring system for the safety performance of the battery, so that the safety of the electric vehicle cannot be guaranteed.

[0004] Therefore, there is an urgent need for a new energy automobile battery safety monitoring system that can solve the problem of the lack of a battery safety monitoring system in existing electric vehicles.

[0005] SUMMARY

[0006] The purpose of the present application is to provide a new energy automobile battery safety monitoring system to solve the problems existing in the prior art.

[0007] To achieve the above purpose, the present application provides the following solutions:

[0008] The present application provides a new energy automobile battery safety monitoring system, which comprises a battery shell, a battery pack is arranged in the battery shell, a power supply module, a monitoring module and a communication module are arranged between the battery pack and the battery shell, the power supply module is electrically connected with the battery pack, the monitoring module and the communication module, the monitoring module is connected with the communication module, the communication module is connected with a vehicle machine, and the communication module is wirelessly connected with a monitoring platform through a communication base station.

[0009] Preferably, the battery shell comprises a protective outer layer, the inner side of the protective outer layer is provided with a reinforcing layer, the inner side of the reinforcing layer is provided with a flame-retardant layer, and the flame-retardant layer is wrapped on the outer side of the battery pack. The main purpose of the protective outer layer is to ensure that the battery is not damaged by the external environment. The reinforcing layer is used to avoid deformation and damage of the battery due to impact. The flame-retardant layer can avoid the spread of fire to the car after the battery catches fire.

[0010] Preferably, a reinforcing rib grid is arranged between the reinforcing layer and the protective outer layer, so as to improve the strength and avoid single-point damage due to stress concentration.

[0011] Preferably, the power supply module comprises a power supply, the power supply is electrically connected with the battery pack through an input conversion circuit, and the power supply is electrically connected with the monitoring module and the communication module through an output conversion circuit. The power supply provides power for the system, which is charged by the battery pack. Even if the battery pack is insufficient, the system can still be used, thereby ensuring the long-time monitoring ability of the monitoring system.

[0012] Preferably, the monitoring module comprises a voltage sensor, a current sensor, a temperature sensor, a humidity sensor, a smoke sensor and a vibration sensor. The voltage sensor, the current sensor, the temperature sensor, the humidity sensor, the smoke sensor and the vibration sensor are in communication with the acquisition module. Through the above sensors, the comprehensive collection of the battery pack parameters and the external environment parameters can be realized, thereby improving the comprehensiveness of the battery safety monitoring.

[0013] Preferably, the communication module comprises a signal processing module, the signal processing module is electrically connected with the acquisition module and a data sending module, the data sending module is in communication with the vehicle machine, and the data sending module is in wireless communication with the monitoring platform through the communication base station.

[0014] Preferably, the data sending module is in communication with the vehicle machine through a CAN bus.

[0015] Preferably, the data sending module is in wireless communication with the communication base station through 5G.

[0016] Preferably, the monitoring platform comprises an analysis processing module, the analysis processing module is in communication with a database, a display module and an information sending module. The analysis processing module calls the historical data in the database to analyze and judge the collected data, so as to obtain a safety monitoring result. The result is displayed in the display module, and the result is sent to the vehicle owner through the information sending module, so that the vehicle owner can know the safety situation of the vehicle battery in real time in a non-driving state.

[0017] The present application has the following beneficial technical effects compared with the prior art:

[0018] The application provides a new energy automobile battery safety monitoring system, which comprises a battery shell, a battery pack is arranged in the battery shell, a power supply module, a monitoring module and a communication module are arranged between the battery pack and the battery shell, the power supply module is electrically connected with the battery pack, the monitoring module and the communication module, the monitoring module is connected with the communication module, the communication module is connected with a vehicle machine, and the communication module is wirelessly connected with a monitoring platform through a communication base station; data of the battery pack is collected through the monitoring module, the self parameters and the external environment parameters of the battery can be sent to the vehicle machine and the monitoring platform through the communication module, the owner can be informed in time once the monitoring platform analyzes that the battery has a safety hidden danger, so that the owner can know the state of the automobile battery in time, and the safety use of the electric automobile is provided with powerful guarantee. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0020] Fig. 1 is a schematic view of the battery shell structure in the new energy automobile battery safety monitoring system provided by the present application;

[0021] Fig. 2 is a schematic view of the communication relationship in the new energy automobile battery safety monitoring system provided by the present application;

[0022] In the figure: 1: battery shell, 11: protective outer layer, 12: reinforcing layer, 13: flame-retardant layer, 14: reinforcing rib grid, 2: power supply module, 21: power supply, 22: input conversion circuit, 23: output conversion circuit, 3: monitoring module, 31: voltage sensor, 32: current sensor, 33: temperature sensor, 34: humidity sensor, 35: smoke sensor, 36: vibration sensor, 37: acquisition module, 4: communication module, 41: signal processing module, 42: data sending module, 5: vehicle machine, 6: communication base station, 7: monitoring platform, 71: analysis processing module, 72: database, 73: display module, 74: information sending module. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be understood that the terms "length", "width", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The purpose of the present application is to provide a new energy automobile battery safety monitoring system to solve the problems existing in the prior art.

[0027] In order to make the above-mentioned purposes, characteristics and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0028] Example 1:

[0029] The present embodiment provides a new energy automobile battery safety monitoring system, as shown in Figures 1 and 2, comprising a battery shell 1, a battery pack is arranged in the battery shell 1, a power supply module 2, a monitoring module 3 and a communication module 4 are arranged between the battery pack and the battery shell 1, the power supply module 2 is electrically connected with the battery pack, the monitoring module 3 and the communication module 4, the monitoring module 3 and the communication module 4 are connected, the communication module 4 and the vehicle machine 5 establish communication, and the communication module 4 and the monitoring platform 7 establish wireless communication through the communication base station 6.

[0030] As an embodiment, the battery shell 1 comprises a protective outer layer 11, which mainly aims to ensure that the battery is not damaged by the external environment, the inner side of the protective outer layer 11 is provided with a reinforcing layer 12, which aims to avoid deformation and damage of the battery due to impact, and the inner side of the reinforcing layer 12 is provided with a fire-retardant layer 13, which is wrapped on the outer side of the battery pack, so as to avoid the spread of fire after the battery catches fire to cause damage to the automobile.

[0031] As an embodiment, the reinforcing layer 12 and the protective outer layer 11 are provided with a reinforcing rib grid 14, so as to improve the strength and avoid single-point damage due to stress concentration.

[0032] As an implementation form, the power supply module 2 comprises a power supply 21, the power supply 21 is electrically connected with the battery pack through an input conversion circuit 22, the power supply 21 is electrically connected with the monitoring module 3 and the communication module 4 through an output conversion circuit 23, the power supply 21 provides power for the system, the power is charged through the battery pack, and the system can continue to be used when the battery pack is insufficient, so that the long-time monitoring capability of the monitoring system is ensured.

[0033] As an implementation form, the monitoring module 3 comprises a voltage sensor 31, a current sensor 32, a temperature sensor 33, a humidity sensor 34, a smoke sensor 35 and a vibration sensor 36, the voltage sensor 31, the current sensor 32, the temperature sensor 33, the humidity sensor 34, the smoke sensor 35 and the vibration sensor 36 are all in communication with the acquisition module 37, and the comprehensive acquisition of the parameters of the battery pack itself and the parameters of the external environment can be realized through the above-mentioned sensors, so that the comprehensiveness of the battery safety monitoring is improved.

[0034] As an implementation form, the communication module 4 comprises a signal processing module 41, which can perform noise reduction, amplification, conversion and other processing on data, facilitate subsequent data analysis, the signal processing module 41 is electrically connected with the acquisition module 37 and a data sending module 42, the data sending module 42 is in communication with the vehicle machine 5, and wireless communication is established between the data sending module 42 and the monitoring platform 7 through the communication base station 6.

[0035] As an implementation form, the data sending module 42 is in communication with the vehicle machine 5 through a CAN bus, so that the detected data is sent to the vehicle machine in the first time to facilitate the vehicle owner to learn in time.

[0036] As an implementation form, the data sending module 42 is in wireless communication with the communication base station 6 through 5G, so that remote data transmission is realized.

[0037] As an implementation form, the monitoring platform 7 comprises an analysis processing module 71, the analysis processing module 71 is in communication with a database 72, a display module 73 and an information sending module 74, the analysis processing module 71 calls the historical data in the database 72 to analyze and judge the collected data, so that a safety monitoring result is obtained, the result is displayed in the display module 73, and the vehicle owner is sent through the information sending module 74, so that the vehicle owner can know the safety situation of the vehicle battery in real time in a non-driving state.

[0038] The new energy automobile battery safety monitoring system provided by the application can effectively send the parameters of the battery itself and the parameters of the external environment to the vehicle machine and the monitoring platform through the communication module, the vehicle owner can be informed in the first time when the monitoring platform analyzes that the battery has a safety hidden danger, so that the vehicle owner can know the state of the automobile battery in time, and the safe use of the electric automobile is provided with strong guarantee.

[0039] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The presently disclosed embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference to an item in the claims to be construed as a disavowal of the item, even if the item is not recited in each claim.

[0040] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A new energy vehicle battery safety monitoring system, characterized in that: The battery shell is internally provided with a battery pack, a power supply module, a monitoring module and a communication module are arranged between the battery pack and the battery shell, the power supply module is electrically connected with the battery pack, the monitoring module and the communication module, the monitoring module is connected with the communication module, the communication module is connected with a car machine, and the communication module is wirelessly connected with a monitoring platform through a communication base station.

2. The new energy vehicle battery safety monitoring system according to claim 1, characterized in that: The battery shell comprises a protective outer layer, an inner side of the protective outer layer is provided with a reinforcing layer, an inner side of the reinforcing layer is provided with a flame-retardant layer, and the flame-retardant layer is wrapped on an outer side of the battery pack.

3. The new energy vehicle battery safety monitoring system according to claim 2, characterized in that: A reinforcing rib grid is arranged between the reinforcing layer and the protective outer layer.

4. The new energy vehicle battery safety monitoring system according to claim 1, characterized in that: The power supply module comprises a power supply, the power supply is electrically connected with the battery pack through an input conversion circuit, and the power supply is electrically connected with the monitoring module and the communication module through an output conversion circuit.

5. The new energy vehicle battery safety monitoring system according to claim 1, characterized in that: The monitoring module comprises a voltage sensor, a current sensor, a temperature sensor, a humidity sensor, a smoke sensor and a vibration sensor, and the voltage sensor, the current sensor, the temperature sensor, the humidity sensor, the smoke sensor and the vibration sensor are all connected with a collection module.

6. The new energy vehicle battery safety monitoring system according to claim 5, characterized in that: The communication module comprises a signal processing module, the signal processing module is electrically connected with the collection module and a data sending module, the data sending module is connected with the car machine, and the data sending module is wirelessly connected with the monitoring platform through the communication base station.

7. The new energy vehicle battery safety monitoring system according to claim 6, characterized in that: The data sending module is connected with the car machine through a CAN bus.

8. The new energy vehicle battery safety monitoring system according to claim 6, characterized in that: The data sending module is wirelessly connected with the communication base station through 5G.

9. The new energy vehicle battery safety monitoring system according to any one of claims 1-8, characterized in that: The monitoring platform comprises an analysis processing module, the analysis processing module is connected with a database, a display module and an information sending module.

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