CN216086190U

CN216086190U - Battery management system with voice interaction function

Info

Publication number: CN216086190U
Application number: CN202121875484.6U
Authority: CN
Inventors: 曾美英; 韦克; 吉芳勇
Original assignee: Dongguan Bomeisi Technology Co ltd
Current assignee: Dongguan Bomeisi Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-03-18
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a battery management system with a voice interaction function, which comprises a control module, a battery module and a voice interaction module, wherein the control module is electrically connected with the battery module; the voice interaction module comprises a main control chip U1, and further comprises a serial port communication interface P2, a microphone interface MIC1 and a loudspeaker interface SPEAK which are electrically connected with the main control chip U1. The utility model has simple structure and can effectively improve the experience of the user.

Description

Battery management system with voice interaction function

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery management system with a voice interaction function.

Background

In order to meet the requirements of energy conservation and emission reduction, electric vehicles replacing fuel-powered vehicles are increasingly popularized, the electric vehicles use batteries as power sources, a large number of power batteries are needed, and a BMS battery management system is a device for managing the states and the performances of the power batteries. The BMS battery management system is a link between the battery and the user, the performance of the battery is complicated, and different types of batteries have widely different characteristics. The BMS management system is mainly to improve the utilization rate of a battery, prevent overcharge and overdischarge of the battery, extend the lifespan of the battery, and monitor the state of the battery. The existing BMS battery management system lacks intellectualization, and is operated by hands, and then visually seen by eyes to obtain required battery information, the state information of the current secondary battery, such as charging, discharging, battery capacity, working current and the like. The display is displayed through related indicator lights and icons, and the situations of a mobile phone APP, a PC computer and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent battery management system with a voice interaction function, which is simple in structure.

In order to solve the technical problem, the technical scheme includes that the battery management system with the voice interaction function is provided, the battery management system comprises a control module, a battery module and a voice interaction module, the control module is electrically connected with the battery module, and the control module is electrically connected with the voice interaction module.

The voice interaction module comprises a main control chip U1, and further comprises a serial port communication interface P2, a microphone interface MIC1 and a loudspeaker interface SPEAK which are electrically connected with the main control chip U1.

Preferably, pin 1 of the serial communication interface P2 is grounded, pin 2 of the serial communication interface P2 is connected to pin 10 of the main control chip U1, pin 3 of the serial communication interface P2 is connected to pin 11 of the main control chip U1, and pin 4 of the serial communication interface P2 is connected to a power supply terminal.

Preferably, the pin 1 of the microphone interface MIC1 is connected to the pin 3 of the main control chip U1, and the pin 2 of the microphone interface MIC1 is connected to the pin 4 of the main control chip U1.

Preferably, the pin 1 of the speaker interface SPEAK is connected to the pin 5 of the main control chip U1, and the pin 2 of the speaker interface SPEAK is connected to the pin 6 of the main control chip U1.

As a preferable scheme, the voice interaction module further includes an update interface updata electrically connected to the main control chip U1, a pin 1 of the update interface updata is connected to a pin 15 of the main control chip U1, a pin 2 of the update interface updata is connected to a pin 16 of the main control chip U1, a pin 3 of the update interface updata is grounded, and a pin 4 of the update interface updata is connected to a power supply terminal.

Preferably, the voice interaction module further includes a filter circuit electrically connected to the main control chip U1, the filter circuit includes a capacitor C1 and a capacitor C2, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel to the pin 8 of the main control chip U1, and the other end of the capacitor C1 and the other end of the capacitor C2 are both grounded.

As a preferred scheme, the battery management system further comprises a main control MCU, and the battery management system further comprises an acquisition module, a communication module, a charge-discharge module, a battery health management module and a time base module which are connected with the main control MCU.

Preferably, the collection module comprises a current/voltage collection module and a temperature monitoring module which are connected between the battery module and the control module, and an AFE module is further connected between the current/voltage collection module and the control module.

As a preferred scheme, the communication module comprises a CAN bus module and an RS485 module which are electrically connected with the master control MCU.

Preferably, the charge and discharge module includes a discharge switch MOS transistor and a charge switch MOS transistor connected between the battery module and the AFE module.

The utility model provides a battery management system with a voice interaction function, which comprises a control module, a battery module and a voice interaction module, wherein the control module is electrically connected with the battery module, and the control module is electrically connected with the voice interaction module. The voice interaction module comprises a main control chip U1, and further comprises a serial port communication interface P2, a microphone interface MIC1 and a loudspeaker interface SPEAK which are electrically connected with the main control chip U1. The intelligent battery pack management system is simple in structure, data interaction is carried out between the intelligent battery pack management system and the main control chip U1 through the serial port communication interface P2 and the microphone interface MIC1 and the speaker interface SPEAK, information such as SOC battery residual empty quantity, SOH health index, current, voltage, temperature and alarm state of the current battery pack can be broadcasted in real time, charging or discharging management of the battery pack can be controlled through voice, the battery management system is enabled to be more intelligent, user use convenience is improved when daily requirements of users are met, and use experience of the users is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a battery management system with a voice interaction function according to the present invention.

Fig. 2 is a schematic circuit structure diagram of the voice interaction module of the battery management system with the voice interaction function according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a battery management system with a voice interaction function according to the present invention, and fig. 2 is a schematic structural diagram of a voice interaction module of the battery management system with the voice interaction function according to the present invention.

The utility model provides a battery management system with a voice interaction function, which comprises a control module, a battery module and a voice interaction module, wherein the control module is electrically connected with the battery module, and the control module is electrically connected with the voice interaction module.

Understandably, the main control chip U1 adopts a voice intelligent recognition module with the model number HY6102TV 04-NY. HY6102TV04-NY can realize the following functions: supporting offline voice recognition; support 3 meters distance speech recognition; the module is provided with MIC bias voltage, and the electret MIC can be directly connected for use; the module is provided with 3W audio power amplifier output; supporting the use of module patches and the use of plug-ins.

Furthermore, pin 1 of the serial communication interface P2 is grounded, pin 2 of the serial communication interface P2 is connected to pin 10 of the main control chip U1, pin 3 of the serial communication interface P2 is connected to pin 11 of the main control chip U1, and pin 4 of the serial communication interface P2 is connected to a power supply terminal.

Further, pin 1 of the microphone interface MIC1 is connected to pin 3 of the main control chip U1, and pin 2 of the microphone interface MIC1 is connected to pin 4 of the main control chip U1.

Further, a pin 1 of the speaker interface SPEAK is connected to a pin 5 of the main control chip U1, and a pin 2 of the speaker interface SPEAK is connected to a pin 6 of the main control chip U1.

Furthermore, the voice interaction module further comprises an update interface updata electrically connected with the main control chip U1, a pin 1 of the update interface updata is connected with a pin 15 of the main control chip U1, a pin 2 of the update interface updata is connected with a pin 16 of the main control chip U1, a pin 3 of the update interface updata is grounded, and a pin 4 of the update interface updata is connected with a power supply terminal.

Further, the voice interaction module further comprises a filter circuit electrically connected with the main control chip U1, the filter circuit comprises a capacitor C1 and a capacitor C2, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel with the pin 8 of the main control chip U1, and the other ends of the capacitor C1 and the capacitor C2 are both grounded.

Furthermore, the battery management system also comprises a master control MCU, and the battery management system also comprises an acquisition module, a communication module, a charge-discharge module, a battery health management module and a time base module which are connected with the master control MCU. The main control MCU only needs to adopt a battery management control chip which is common in the market.

Furthermore, the acquisition module comprises a current/voltage acquisition module and a temperature monitoring module which are connected between the battery module and the control module, and an AFE module is also connected between the current/voltage acquisition module and the control module.

Understandably, the AFE module can adopt a chip with model number BQ769XO for battery monitoring, and can collect three types of key information of accurate voltage, current and temperature.

Furthermore, the communication module comprises a CAN bus module and an RS485 module which are electrically connected with the master control MCU.

Further, the charge and discharge module includes a discharge switch MOS transistor and a charge switch MOS transistor connected between the battery module and the AFE module.

The utility model provides a battery management system with a voice interaction function, which comprises a control module, a battery module and a voice interaction module, wherein the control module is electrically connected with the battery module, and the control module is electrically connected with the voice interaction module. The voice interaction module comprises a main control chip U1, and further comprises a serial port communication interface P2, a microphone interface MIC1 and a loudspeaker interface SPEAK which are electrically connected with the main control chip U1. The intelligent battery management system is simple in structure, data interaction is carried out between the intelligent battery management system and the main control chip U1 through the serial port communication interface P2 and the microphone interface MIC1, intelligent interaction is carried out between the intelligent battery management system and the user through the speaker interface SPEAK, information such as SOC battery residual empty quantity, SOH health index, current, voltage, temperature and alarm state of the current battery pack can be broadcast in real time, charging or discharging management of the battery pack can be controlled through voice, intelligent control and intelligent broadcasting abnormal alarm can be carried out through voice, visual human-computer interaction is not needed to know various state information of the current battery pack, the battery management system is enabled to be more intelligent, user use convenience is improved when daily requirements of the user are met, and use experience of the user is improved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A battery management system with a voice interaction function is characterized by comprising a control module, a battery module and a voice interaction module, wherein the control module is electrically connected with the battery module, and the control module is electrically connected with the voice interaction module;

2. The battery management system with voice interaction function as claimed in claim 1, wherein pin 1 of the serial communication interface P2 is grounded, pin 2 of the serial communication interface P2 is connected to pin 10 of the main control chip U1, pin 3 of the serial communication interface P2 is connected to pin 11 of the main control chip U1, and pin 4 of the serial communication interface P2 is connected to a power supply terminal.

3. The battery management system with voice interaction function of claim 2, wherein pin 1 of the microphone interface MIC1 is connected to pin 3 of the main control chip U1, and pin 2 of the microphone interface MIC1 is connected to pin 4 of the main control chip U1.

4. The battery management system with voice interaction function as claimed in claim 3, wherein pin 1 of the speaker interface SPEAK is connected to pin 5 of the main control chip U1, and pin 2 of the speaker interface SPEAK is connected to pin 6 of the main control chip U1.

5. The battery management system with a voice interaction function according to claim 4, wherein the voice interaction module further comprises an update interface updata electrically connected to the main control chip U1, pin 1 of the update interface updata is connected to pin 15 of the main control chip U1, pin 2 of the update interface updata is connected to pin 16 of the main control chip U1, pin 3 of the update interface updata is grounded, and pin 4 of the update interface updata is connected to a power supply terminal.

6. The battery management system with the voice interaction function as claimed in claim 5, wherein the voice interaction module further includes a filter circuit electrically connected to the main control chip U1, the filter circuit includes a capacitor C1 and a capacitor C2, one end of the capacitor C1 and one end of the capacitor C2 are connected in parallel to the pin 8 of the main control chip U1, and the other end of the capacitor C1 and the other end of the capacitor C2 are both grounded.

7. The battery management system with the voice interaction function of claim 1, further comprising a main control MCU, wherein the battery management system further comprises an acquisition module, a communication module, a charge-discharge module, a battery health management module and a time base module which are connected with the main control MCU.

8. The battery management system with voice interaction function according to claim 7, wherein the collection module comprises a current/voltage collection module and a temperature monitoring module connected between the battery module and the control module, and an AFE module is further connected between the current/voltage collection module and the control module.

9. The battery management system with the function of voice interaction according to claim 8, wherein the communication module comprises a CAN bus module and an RS485 module electrically connected to the MCU.

10. The battery management system with voice interaction function of claim 9, wherein the charge-discharge module comprises a discharge switch MOS transistor and a charge switch MOS transistor connected between the battery module and the AFE module.