阅读说明：本技术 一种基于nb-iot技术的电动自行车管理系统及管理方法 (Electric bicycle management system and management method based on NB-IOT technology ) 是由 杲先锋 李锋炼 于 2020-12-30 设计创作，主要内容包括：本发明提供了一种基于NB-IOT技术的电动自行车管理系统及管理方法,包括：ACC控制继电器,所述ACC控制继电器的一端与电动自行车的电池的正极相连,所述ACC控制继电器的另一端通过BATT控制继电器与所述整车控制器相连；所述BATT控制继电器,所述BATT控制继电器串联在所述电动自行车的BATT线上；NB终端,所述NB终端与所述ACC控制继电器以及所述BATT控制继电器的控制脚相连；移动终端,通过NB-IOT网络与所述NB终端连接。本发明的一种基于NB-IOT技术的电动自行车管理系统及管理方法,利用NB-IOT网络低功率、广覆盖、强链接等特性将电动自行车与用户移动终端相连,可实现无钥匙开启、无钥匙断电以及异常报警等功能,使得生活更加便捷,同时确保了个人财产安全。(The invention provides an electric bicycle management system and a management method based on NB-IOT technology, which comprises the following steps: one end of the ACC control relay is connected with the positive electrode of a battery of the electric bicycle, and the other end of the ACC control relay is connected with the whole vehicle controller through a BATT control relay; the BATT control relay is connected to a BATT line of the electric bicycle in series; the NB terminal is connected with the ACC control relay and the control pin of the BATT control relay; and the mobile terminal is connected with the NB terminal through an NB-IOT network. According to the electric bicycle management system and method based on the NB-IOT technology, the electric bicycle is connected with the user mobile terminal by utilizing the characteristics of NB-IOT network such as low power, wide coverage and strong link, the functions of keyless starting, keyless power-off, abnormal alarm and the like can be realized, the life is more convenient and faster, and the personal property safety is ensured.)

1. An electric bicycle management system based on NB-IOT technology, comprising:

the ACC control relay is a normally-open relay, the ACC control relay is connected with the vehicle key switch in parallel, one end of the ACC control relay is connected with the positive electrode of a battery of the electric bicycle, and the other end of the ACC control relay is connected with the vehicle controller through a BATT control relay;

the BATT control relay is a normally closed relay and is connected in series with a BATT line of the electric bicycle;

and the NB terminal is arranged on the electric bicycle, the NB terminal is connected with the ACC control relay and the BATT control relay, and the mobile terminal is connected with the NB terminal through an NB-IOT network.

2. The NB-IOT technology-based electric bicycle management system of claim 1, wherein the NB terminal comprises a positioning module, an NB-IOT communication module and a power module, the positioning module, the NB-IOT communication module and the power module are sequentially connected with a central processing unit chip, the power module provides running electric energy for the NB terminal, the GPS module is used for acquiring the position of the electric bicycle in real time, and the NB-IOT communication module is used for realizing communication between the NB terminal and a user.

3. The NB-IOT technology based electric bicycle management system as claimed in claim 2, wherein the NB terminal further comprises a vibration sensor connected to the cpu chip for acquiring a real-time vibration status of the electric bicycle, and a battery monitoring module for monitoring a usage status of a battery of the electric bicycle.

4. The NB-IOT technology-based electric bicycle management system of claim 2, wherein the NB terminal further comprises an alarm module connected to the central processor chip, and the central processor chip controls the alarm module to alarm when the electric bicycle is abnormally shaken.

5. The NB-IOT technology-based electric bicycle management system of claim 1, wherein the mobile terminal is a mobile phone or a tablet computer.

6. An electric bicycle management method based on the NB-IOT technology electric bicycle management system of any one of claims 1-5, comprising:

s10, the mobile terminal communicates with the NB terminal;

s20 the electric bicycle is started without a key, a user controls the NB terminal to switch on an ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is started;

s30 the electric bicycle is turned off without a key, a user controls the NB terminal to turn off the ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is turned off.

7. The NB-IOT technology-based electric bicycle management method of claim 6, further comprising: s40, the power is cut off abnormally, the vibration sensor detects the vibration condition of the electric bicycle in real time, when the abnormal vibration is detected, the NB terminal feeds back to the mobile terminal through the NB-IOT communication module and starts the alarm module, and the mobile terminal disconnects the BATT control relay through the NB terminal.

8. The NB-IOT technology based electric bicycle management method as claimed in claim 6, wherein the S10 comprises the steps of:

s11, the NB terminal sends the unique ID code of the NB terminal at regular time through the electronic active label with the unique identifier;

s12, the ID codes are sent to a data management platform for storage through the NB-IOT communication module;

s13, the user uses the mobile terminal to access the data management platform and obtains the vehicle information through the bound unique identification code, and the communication between the mobile terminal and the NB terminal is realized.

9. The NB-IOT technology based electric bicycle management method of claim 6, wherein S20 is that a user uses a mobile terminal to issue a start command through an NB-IOT network, and after the NB terminal receives the command, a high level is output to the ACC control relay through an IO port of a central processing unit chip, so that a switch of the ACC control relay is closed, and the electric bicycle is started.

10. The NB-IOT technology-based electric bicycle management method of claim 6, wherein S30 is that a user uses a mobile terminal to issue a power-off command through an NB-IOT network, and after the NB terminal receives the command, a high level is output to the BATT control relay through an IO port of a central processor chip, so that a switch of the BATT control relay is turned off, and a power supply of the electric bicycle is turned off.

Technical Field

The invention relates to the technical field of electric bicycles, in particular to an electric bicycle management system and method based on an NB-IOT technology.

Background

Mobile communication is moving from person-to-person connections to person-to-object and object-to-object connections, and everything interconnection is a necessary trend. However, the current 4G networks have insufficient capacity in connecting objects to each other. In fact, compared with short-distance communication technologies such as bluetooth and ZigBee, the mobile cellular network has the characteristics of wide coverage, mobility, large connection number and the like, can bring richer application scenarios, and is supposed to become a main connection technology of the internet of things. As an LTE evolution technology, 4.5G has a peak rate as high as 1Gbps, and means more connections based on the cellular internet of things, supports M2M connections and lower latency, and is rapidly spreading the applications of the boosted high-definition video, the VoLTE, the internet of things, and the like. Cellular internet of things is opening an unprecedented market.

The NB-IoT has four characteristics that firstly, wide coverage can provide improved indoor coverage, and the NB-IoT has 20dB gain compared with the existing network under the same frequency band, which is equivalent to improving the capacity of 100 times of coverage area; the system has the capacity of supporting connection, one NB-IoT sector can support 10 ten thousand connections, and low delay sensitivity, ultralow equipment cost, low equipment power consumption and optimized network architecture are supported; thirdly, the power consumption is lower, and the standby time of the NB-IoT terminal module can be as long as 10 years; fourth, lower module cost, enterprise expects a single contiguous module to exceed $ 5.

When the electric bicycle is used and is started by a traditional key switch, the technology of the Internet of things is not integrated. When the electric bicycle is used for going out, a user needs to carry the key, the electric bicycle cannot be used if the key is lost or cannot be found for a while, and particularly under the condition that the key is lost, the user can easily take the key of the electric bicycle to steal the electric bicycle, and the user is difficult to control the electric bicycle.

Disclosure of Invention

In order to solve the problems, the invention provides an electric bicycle management system and a management method based on NB-IOT technology, wherein the electric bicycle is connected with a user mobile terminal by utilizing the characteristics of NB-IOT network such as low power, wide coverage, strong link and the like, so that the functions of keyless starting, keyless power-off, abnormal alarm and the like can be realized, the life is more convenient and faster, and the personal property safety is ensured.

In order to achieve the above purpose, the invention adopts a technical scheme that:

an electric bicycle management system based on NB-IOT technology, comprising: the ACC control relay is a normally-open relay, the ACC control relay is connected with the vehicle key switch in parallel, one end of the ACC control relay is connected with the positive electrode of a battery of the electric bicycle, and the other end of the ACC control relay is connected with the vehicle controller through a BATT control relay; the BATT control relay is a normally closed relay and is connected in series with a BATT line of the electric bicycle; and the NB terminal is arranged on the electric bicycle, the NB terminal is connected with the ACC control relay and the BATT control relay, and the mobile terminal is connected with the NB terminal through an NB-IOT network.

Further, the NB terminal comprises a positioning module, an NB-IOT communication module and a power module which are sequentially connected with the central processing unit chip, the power module provides running electric energy for the NB terminal, the GPS module is used for acquiring the position of the electric bicycle in real time, and the NB-IOT communication module is used for realizing communication between the NB terminal and a user.

Further, the NB terminal further includes a vibration sensor and a battery monitoring module connected to the central processing unit chip, and the vibration sensor is used for acquiring a real-time vibration state of the electric bicycle, and the battery monitoring module is used for monitoring a use state of a battery of the electric bicycle. Further, the NB terminal further comprises an alarm module connected with the central processing unit chip, and the central processing unit chip controls the alarm module to alarm when the electric bicycle vibrates abnormally.

Further, the mobile terminal is a mobile phone or a tablet computer.

The invention also provides an electric bicycle management method based on any one of the NB-IOT technology-based electric bicycle management systems, which comprises the following steps: s10, the mobile terminal communicates with the NB terminal; s20 the electric bicycle is started without a key, a user controls the NB terminal to switch on an ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is started; s30 the electric bicycle is turned off without a key, a user controls the NB terminal to turn off the ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is turned off.

Further, still include: s40, the power is cut off abnormally, the vibration sensor detects the vibration condition of the electric bicycle in real time, when the abnormal vibration is detected, the NB terminal feeds back to the mobile terminal through the NB-IOT communication module and starts the alarm module, and the mobile terminal disconnects the BATT control relay through the NB terminal.

Further, the S10 includes the following steps: s11, the NB terminal sends the unique ID code of the NB terminal at regular time through the electronic active label with the unique identifier; s12, the ID codes are sent to a data management platform for storage through the NB-IOT communication module; s13, the user uses the mobile terminal to access the data management platform and obtains the vehicle information through the bound unique identification code, and the communication between the mobile terminal and the NB terminal is realized.

Further, S20 is that the user uses the mobile terminal to issue a start instruction through the NB-IOT network, and after receiving the instruction, the NB terminal outputs a high level to the ACC control relay through an IO port of the central processor chip to pull in a switch of the ACC control relay, so that the electric vehicle starts.

Further, S30 is that the user uses the mobile terminal to issue a power-off command through the NB-IOT network, and after receiving the command, the NB terminal outputs a high level to the BATT control relay through an IO port of the central processor chip, so that the switch of the BATT control relay is turned off, and the power supply of the electric vehicle is turned off.

Compared with the prior art, the technical scheme of the invention has the following advantages:

according to the electric bicycle management system and method based on the NB-IOT technology, the electric bicycle is connected with the user mobile terminal by utilizing the characteristics of NB-IOT network such as low power, wide coverage and strong link, the functions of keyless starting, keyless power-off, abnormal alarm and the like can be realized, the life is more convenient and faster, and the personal property safety is ensured.

Drawings

The technical solution and the advantages of the present invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.

FIG. 1 is a block diagram of an electric bicycle management system based on NB-IOT technology according to an embodiment of the present invention;

fig. 2 is a diagram illustrating an NB terminal structure according to an embodiment of the present invention;

fig. 3 is a diagram illustrating a connection relationship between a mobile terminal and an electric bicycle according to an embodiment of the present invention;

FIG. 4 is a flow chart of positioning module positioning and overspeed detection according to an embodiment of the present invention;

FIG. 5 is a flow chart illustrating an alarm of the vibration sensor according to an embodiment of the present invention;

FIG. 6 is a flow chart of the operation of a battery monitoring module according to an embodiment of the present invention;

fig. 7 is a flowchart illustrating a process of remotely controlling an electric vehicle by a user according to an embodiment of the present invention.

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.

The embodiment provides an electric bicycle management system based on NB-IOT technique, as shown in FIG. 1, including ACC (adaptive cruise control power) control relay, BATT (vehicle battery powered) control relay and NB terminal, ACC control relay with car key switch parallel connection, BATT control relay establishes ties on electric bicycle's BATT line. The NB terminal is arranged on an electric bicycle, and the NB terminal is connected with the ACC control relay and the BATT control relay. And the mobile terminal is connected with the NB terminal through an NB-IOT network.

The ACC control relay is a normally open relay, one end of the ACC control relay is connected with the positive electrode of a battery of the electric bicycle, and the other end of the ACC control relay is connected with the whole vehicle controller through the BATT control relay. The BATT control relay is a normally closed relay.

As shown in fig. 2 to 3, the NB terminal includes a positioning module, an NB-IOT communication module, a power module, a vibration sensor, an alarm module, and a battery monitoring module, which are sequentially connected to a Central Processing Unit (CPU), the power module provides operating electric energy for the NB terminal, the GPS module is used to obtain the position of the electric bicycle in real time, and the NB-IOT communication module is used to implement communication between the NB terminal and a user. The vibration sensor is used for acquiring the real-time vibration state of the electric bicycle, and the vibration state comprises continuous vibration time and vibration amplitude. The alarm module is used for controlling the alarm module to give an alarm when the electric bicycle is abnormally vibrated, and the battery monitoring module is used for detecting the service condition of the battery of the electric bicycle in real time.

As shown in fig. 4, the positioning module acquires positioning data of the electric bicycle in real time and uploads the positioning data to the central processor chip, the central processor chip analyzes the positioning data every 2S to acquire latest longitude and latitude data, and then sends the data to the data management platform, the data management platform forwards the data to the mobile terminal, and a user can display the position of the electric bicycle on a map in real time through the mobile terminal. The central processor chip analyzes the positioning data according to the speed limit requirement specified by the traffic department to obtain the displacement speed of the electric bicycle, if the displacement speed exceeds the speed limit requirement, the displacement speed is considered to be overspeed, then the alarm information and the real-time speed are sent to the data management platform, the data management platform forwards the data to the mobile terminal, and a user can check the alarm information through the mobile terminal.

As shown in fig. 5, after the vibration sensor detects a vibration event, a level signal is sent to the central processor chip, after the central processor chip captures the level signal, whether the level signal is abnormal vibration is judged according to the state of the ACC control relay of the electric bicycle, if the ACC control relay is in a disconnected state when the vibration is generated, the central processor chip sends vibration alarm to the data management platform, the data management platform sends alarm information to the mobile terminal, and a user can check the alarm information through the mobile terminal.

As shown in fig. 6, the NB terminal further includes a battery monitoring module connected to the central processing unit chip, the battery monitoring module detects the level of the battery of the electric bicycle in real time, if the level is detected, a low level signal is given to the IO port of the central processing unit chip, if the level is not detected, a high level signal is given to the IO port of the central processing unit chip, the central processing unit chip determines whether the vehicle battery is normally powered according to the level signal, if the IO port reads the high level, the battery is considered to be powered off, a power-off alarm is sent to the data management platform, the platform forwards the power-off alarm to the user mobile terminal, and the mobile terminal displays the alarm information in an information pushing manner.

As shown in fig. 7, a user issues a start instruction to the data management platform through the mobile terminal, the data management platform forwards the instruction through the NB-IOT network, the central processing unit chip analyzes the control instruction after receiving the instruction, and then outputs a high-low level to the relay control pin through the IO port to enable the switch of the input and output ends of the relay to be switched on and off in a suction manner, so as to achieve the effect of remote control, the central processing unit chip feeds back a control result to the data management platform according to the control result of the relay, the data management platform forwards the control result to the mobile terminal, and the user displays the control result through the mobile terminal.

The mobile terminal is a mobile phone or a tablet personal computer, when a user forgets to take an electric bicycle key, the electric bicycle can be switched on and off through the mobile terminal, and meanwhile, the user can also check information such as the position and the state of the electric bicycle in real time through the mobile terminal.

The invention also provides an electric bicycle management method based on the electric bicycle management system based on the NB-IOT technology, which comprises the following steps: s10 the mobile terminal communicates with the NB terminal. S20 the electric bicycle is started without a key, a user controls the NB terminal to switch on an ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is started. S30 the electric bicycle is turned off without a key, a user controls the NB terminal to turn off the ACC control relay through the NB-IOT network by using the mobile terminal, and the power supply of the electric bicycle is turned off. S40, the power is cut off abnormally, the vibration sensor detects the vibration condition of the electric bicycle in real time, when the abnormal vibration is detected, the NB terminal feeds back to the mobile terminal through the NB-IOT communication module and starts the alarm module, and the mobile terminal disconnects the BATT control relay through the NB terminal.

The S10 includes the following steps: s11, the NB terminal sends the unique ID code of the NB terminal at regular time through the electronic active label with the unique identification. And each NB terminal is provided with an electronic active tag and sends a unique ID code at regular time. S12, the ID codes are sent to a data management platform for storage through the NB-IOT communication module. And after receiving the electronic active tag, the base station wirelessly gathers the electronic active tag to a host of an operator through an NB-IOT network. The host sends the summarized ID code to a data management platform/database for data analysis, filtering and storage through Ethernet. S13, the user uses the mobile terminal to access the data management platform and obtains the vehicle information through the bound unique identification code, and the communication between the mobile terminal and the NB terminal is realized. The ID code of the NB terminal of each electric automobile corresponds to a unique identification code. The mobile terminal obtains the vehicle information by applying the 'electric treasure' and accessing the server/database according to the unique identification code bound by the 'electric treasure'. When the 'electric treasure' issues an instruction, data can be packaged according to the corresponding unique identification code and instruction content and sent to the server, the server encapsulates the data again according to the electronic tag corresponding to the unique identification code and forwards the data to the host through the Ethernet, and the host is sent to the NB terminal through the NB-IOT network, so that communication between the mobile terminal and the NB terminal is achieved.

And S20, a user uses the mobile terminal to issue a starting instruction through the NB-IOT network, and after the NB terminal receives the instruction, the high level is output to the ACC control relay through the IO port of the central processor chip, so that the switch of the ACC control relay is closed, and the electric vehicle is started. User's cell-phone APP issues the start instruction, forwards the instruction through NB-IOT network, and after the instruction was received at the NB terminal, the IO mouth through the central processing unit chip output high level arrived ACC control relay control foot makes relay input/output end's switch actuation, ACC control relay switch actuation is equivalent to the electric door lock closure, and the electric motor car starts.

And S30, a user uses the mobile terminal to issue a power-off instruction through the NB-IOT network, after the NB terminal receives the instruction, the high level is output to the BATT control relay through the IO port of the central processor chip, so that the switch of the BATT control relay is switched off, and the power supply of the electric vehicle is switched off. The user mobile phone APP issues a power-off instruction, the instruction is forwarded through the NB-IOT network, after the instruction is received by the NB terminal, the high level is output to the BATT control relay through the IO port of the central processing unit chip, so that the control pin enables the switch of the input end and the output end of the relay to be disconnected, and the power output of the electric bicycle is cut off when the switch of the BATT control relay is disconnected.

The above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that are transformed by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.