CN219267027U - 4G intelligent central control device for shared electric bicycle - Google Patents

Abstract

The utility model discloses a 4G intelligent central control device of a shared electric bicycle, which comprises a main circuit board and a light-transmitting shell sleeved outside the main circuit board. The main circuit board is integrated with a communication control module, a positioning module, a voice broadcasting module, a lock control module, an indicator light module and a power supply module; the communication control module comprises a control chip, a 4G network chip, a Bluetooth chip and a 485 bus/serial port; the positioning module consists of a real-time positioning module comprising GPS/BDS Beidou and LBS base station positioning system chips and a parking positioning module comprising a geomagnetic sensor chip and a six-axis sensor chip; the lock control module comprises a battery lock driving circuit, a helmet lock driving circuit and an ACC control circuit, and the power supply module comprises a standby battery and a DCDC power supply conversion circuit. The utility model provides the functions of accurate vehicle positioning, vibration detection, anti-theft alarm, accurate fixed point vehicle returning and the like for users and operators, and meets the intelligent use and management requirements of the shared electric vehicle industry.

Description

4G intelligent central control device for shared electric bicycle

Technical Field

The utility model belongs to the field of self-service equipment, and particularly relates to a 4G intelligent central control device of a shared electric bicycle.

Background

The shared electric vehicle is developed in the technology of the Internet of things and in the shared economic environment. Along with the wide application of intelligent terminal technology, the advantages of portability of the bicycle and the advantage point of strong labor saving and endurance of the electric vehicle are combined. The travel freedom of people is met, and meanwhile, the long-distance travel is more time-saving and labor-saving. The electric vehicle is convenient to share, meanwhile, the problems of insufficient intellectualization, difficult parking management and the like of the electric vehicle are also brought, and the following defects exist in the central control of most of the electric bicycles in the market at present: GPS positioning is inaccurate, even positioning can not be performed in a severe environment, and thus, the running record of the vehicle is incomplete; the parking management is not standard, the accurate parking of the vehicle can not be realized, and great challenges are brought to urban management and operation and maintenance; the price of the equipment is high; the intelligent degree of the equipment is insufficient, and a plurality of functions are required to be increased, so that the problem of more intelligent shared electric bicycle can be effectively solved.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a 4G intelligent central control device of a shared electric bicycle, which utilizes the coordination of a communication control module, a positioning module, a voice broadcasting module, a lock control module, an indicator light module and a power supply module, adopts the coordination of three positioning technologies of GPS/BDS/LBS, and provides accurate vehicle positioning for users and operators; a 5V motor is adopted to drive the lock, so that the control of the helmet and the battery lock is realized; the vibration detection, anti-theft alarm, accurate fixed point vehicle returning and other functions of the vehicle are realized through the sensor, the professional requirements of the shared electric vehicle industry are met, and the operation efficiency of enterprises is improved.

In order to achieve the above object, an intelligent central control device for a shared electric bicycle 4G according to an embodiment of the present utility model includes: the main circuit board and the light-transmitting material shell are sleeved outside the main circuit board; the main body circuit board is integrated with a communication control module, a positioning module, a voice broadcasting module, a lock control module, an indicator light module and a power supply module.

The communication control module is respectively and electrically connected with the positioning module, the voice broadcasting module, the lock control module, the indicator lamp module and the power supply module; the communication control module is respectively in communication connection with the cloud platform and the mobile phone; the communication control module is respectively and electrically connected with an external vehicle controller and a camera; the positioning module is in communication connection with an external geomagnetic transmitting device; the voice broadcasting module is electrically connected with an external loudspeaker; the lock control module is electrically connected with an external battery compartment lock and a helmet lock; the power supply module is electrically connected with a storage battery on an external electric bicycle.

Further, the communication control module comprises a control chip, a 4G network chip, a Bluetooth chip and a 485 bus/serial port; the control chip, the 4G network chip, the Bluetooth chip and the 485 bus/serial port are welded and integrated on the main circuit board, and the control chip is electrically connected with the 4G network chip, the Bluetooth chip and the 485 bus/serial port respectively; the 4G network chip is used for communicating with the cloud platform and exchanging data; the Bluetooth chip is used for communication and data interaction with the mobile phone; the 485 bus/serial port is used for communicating with an external vehicle controller and a camera;

further, the positioning module consists of a GPS/Beidou/LBS base station positioning chip for real-time positioning, a geomagnetic sensor chip and a six-axis sensor chip for parking positioning, and the GPS/Beidou/LBS base station positioning chip, the geomagnetic sensor chip and the six-axis sensor chip are welded and integrated on a main circuit board and are respectively and electrically connected with the control chip;

further, the lock control module comprises a battery lock driving circuit, a helmet lock circuit and an ACC control circuit, wherein the battery lock driving circuit, the helmet lock circuit and the ACC control circuit are welded and integrated on a main circuit board and are electrically connected with the control chip; the battery lock driving circuit is connected with the electric bicycle storage battery placement bin lock through an aviation waterproof butt wire and is used for controlling and detecting opening and closing of the electric bicycle storage battery placement bin lock; the helmet lock circuit is connected with the electric bicycle helmet placement bin lock through an aviation waterproof butt wire and is used for opening and closing control of the electric bicycle helmet placement bin lock and helmet return detection; the ACC control circuit is connected with the electric bicycle controller through an aviation waterproof butt-joint wire and is used for controlling a whole bicycle power supply, a bicycle lamp and a wheel drive;

further, the power supply module comprises a standby battery and a DCDC power supply conversion circuit, wherein the standby battery and the DCDC power supply conversion circuit are welded and integrated on the main circuit board and are electrically connected with the control chip; the DCDC power supply conversion circuit is electrically connected with a storage battery on the electric bicycle.

Further, the number of LED indicator lamps of the indicator lamp module is two, one is used for indicating the networking state of the 4G network chip, and the other is used for indicating the positioning state of the GPS/Beidou satellite navigation system.

Further, the backup battery is a lithium battery.

Further, the voice broadcasting module consists of a power amplifier driving circuit, and the power amplifier driving circuit is welded and integrated on a main circuit board and is electrically connected with the control chip; the power amplifier driving circuit is connected with an external loudspeaker through an aviation waterproof butt joint wire.

Further, the six-axis sensor chip is composed of a three-axis gyroscope sensor and a three-axis acceleration sensor, wherein the three-axis gyroscope sensor is used for vertical parking of an electric bicycle, and the three-axis acceleration sensor is used for vibration detection during vehicle fortification.

Further, the power amplifier driving circuit is connected with an external loudspeaker through a 2P M8 aviation waterproof butt wire; the battery lock driving circuit is connected with the storage battery placing bin lock of the vehicle through a 4P M8 aviation waterproof butt wire; the helmet lock driving circuit is connected with the vehicle helmet placing bin lock through a 6P M8 aviation waterproof butt wire.

The beneficial effects of the utility model are as follows:

1. the positioning module provided by the utility model supports the real-time positioning of the shared electric vehicle by GPS, beidou and LBS base station positioning, and preferably adopts GPS or Beidou positioning, and when the GPS or the Beidou positioning is invalid, the LBS is used for positioning the base station, so that the technical problem that the vehicle running record is incomplete due to inaccurate GPS or Beidou positioning and even incapacity of positioning under a severe environment is solved;

2. the device consists of the main circuit board and the light-transmitting material shell sleeved outside the main circuit board, and all the functional modules are integrated on the main circuit board, so that the intelligent degree of the shared electric vehicle equipment is improved, the equipment price is not improved, the installation, the maintenance and the replacement are convenient, and the economic benefit is high;

3. according to the utility model, fixed-point and vertical parking of the shared electric vehicle is realized through the cooperation of the gyroscope sensor and the geomagnetic sensor through the short-distance wireless communication technology; the method achieves the standard parking of the shared electric vehicle according to the order of the points, and effectively solves the problems of difficult parking management and the like;

4. the lock control module provided by the utility model can control the battery through the battery lock driving circuit, the helmet through the helmet lock circuit and the whole vehicle power supply (vehicle lamp, wheel driving and the like) through the ACC control lock circuit, so that the control function of the shared electric vehicle is realized, and the overall performance of the shared electric vehicle is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a shared electric bicycle 4G intelligent central control device according to the present utility model.

In the figure:

1-a main body circuit board; 2-a housing; 3-fixing the lugs.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the following description will be made with reference to the accompanying drawings and examples.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, the utility model provides a 4G intelligent central control device for a shared electric bicycle, wherein the 4G intelligent central control device (hereinafter referred to as central control) is installed on the shared electric bicycle to be controlled, and is generally installed at a pedal and fixed through a fixing lug 3. The central control has the functions of 4G-LTE network remote control, GPS real-time positioning, bluetooth communication, vibration detection, anti-theft alarm and the like. The terminal performs data interaction on the background and the mobile phone APP terminal through the 4G network and Bluetooth respectively, so that various service functions of the shared electric bicycle are realized. As shown in fig. 1, a 4G intelligent central control device according to an embodiment of the present utility model includes: the main body circuit board 1 and the light-transmitting material shell 2 sleeved outside the main body circuit board are provided with fixing lugs 3 for fixing the central control device.

The communication control module, the positioning module, the voice broadcasting module, the lock control module, the indicator light module and the power supply module comprise a plurality of chips and a plurality of circuits for realizing the functions of the chips and the circuits which are integrated on the main circuit board;

(1) And the communication control module is used for: the communication control module of the system is integrated in the intelligent central control unit and consists of a control chip, a 4G-LTE network chip, a Bluetooth chip and a 485 bus/serial port, wherein the 4G-LTE network chip is mainly responsible for communication with the background and realizes data interaction. Bluetooth is communicated with a mobile phone to realize data interaction. The 485 bus/serial port is mainly responsible for communication with an external vehicle controller, an RFID card reader, a camera and the like; the 4G-LTE network and the Bluetooth are wireless transmission units, and the 485 bus/serial port is a wired transmission unit;

(2) And a positioning module: the system is integrated in a central control module, consists of a positioning module (a GPS global positioning system chip, a BDS Beidou satellite navigation system chip and an LBS base station positioning service system chip), is connected with a main control module (a communication control module) in the central control through a serial port, is responsible for providing a real-time positioning function of equipment, and is connected with the main control module (the communication control module) in the intelligent central control through the serial port to realize GPS positioning data acquisition; RFID position identification module: the module is connected with the intelligent central control through a 485 bus/serial port, and realizes accurate parking of the vehicle through data interaction, so that the vehicle is convenient to manage in a standardized manner; six-axis sensor chip: the sensor is integrated in a central control and consists of a triaxial acceleration sensor and a triaxial gyroscope, wherein the triaxial acceleration sensor is responsible for vibration detection during vehicle fortification, and the warning and prompting functions are achieved. The three-axis gyroscope sensor is responsible for vertical parking of the vehicle and is convenient for standard management of the vehicle; the acceleration and gyroscope data reading is realized through the communication between the IIC and a main control module (communication control module) in the intelligent central control; the acceleration and gyroscope data reading is realized by the communication of the IIC integrated circuit bus and a main control module (communication control module) in the intelligent central control;

the GPS global positioning system chip, the BDS Beidou satellite navigation system chip and the LBS base station positioning service system chip support GPS/Beidou positioning and base station positioning, and preferably adopt GPS/Beidou positioning, when the control chip is in central control and is simultaneously provided with the GPS global positioning system and the BDS Beidou satellite navigation system, the built-in program judges the number of satellites which can be searched by the two systems at the time, the data of system positioning with a plurality of searched satellites at the time is used as the standard, and when the GPS/Beidou positioning is invalid, the LBS base station positioning service system is used for base station positioning.

(3) And the voice broadcasting module is used for: the voice broadcasting function is realized by combining a power amplifier driving circuit and an external loudspeaker, wherein the power amplifier driving circuit is integrated in a central control unit, a main control module (communication control module) is communicated with the power amplifier driving circuit through a differential signal wire, the power amplifier driving circuit is connected with the loudspeaker through a 2P M8 aviation waterproof pair connection wire, and the loudspeaker is externally arranged on a vehicle. The central control is responsible for controlling the voice broadcasting function, realizing voice reminding and humanized operation; the voice information is stored in the central control, then the active amplifier chip is connected with the external loudspeaker to play voice, voice content can be customized, and voice content configuration is realized through Bluetooth.

(4) And the lock control module is used for:

and (3) battery lock: the battery lock part is composed of a battery lock driving circuit and a vehicle storage battery storage bin lock, wherein the driving circuit is integrated in the central control, and is connected with the vehicle storage battery storage bin lock through a 4P M8 aviation waterproof butt wire. The central control is responsible for controlling a battery lock driving circuit through a signal wire to realize the control and detection of the opening and closing of the storage space lock of the storage battery of the vehicle.

Helmet lock: the helmet lock part consists of a helmet lock circuit and a vehicle helmet placing bin lock, wherein the helmet lock circuit is integrated in the central control and comprises a driving circuit and an identification circuit; the helmet lock circuit is connected with the vehicle helmet placing cabin lock through a 6P M8 aviation waterproof butt line. The central control is responsible for controlling a helmet lock driving circuit through a signal wire, and realizing the opening and closing control of a vehicle helmet placement bin lock and helmet return detection.

ACC control lock: the ACC control lock circuit is integrated in the central control, the ACC signal is a whole vehicle power supply signal, when the vehicle is opened, the central control firstly opens an ACC power supply, the ACC control signal is transmitted to a controller on the vehicle through a 5P M8 aviation waterproof butt joint line, the controller detects the validity of the ACC control signal, and the whole vehicle power supply (vehicle lamp, wheel drive and the like) is opened. The ACC is a key-on power signal of the electric bicycle, and the ACC is turned on to indicate that the electric bicycle is turned on.

(5) An indicator light module: LED indicator lamp: 2 LED pilot lamps are arranged in the central control, one is used for indicating the intelligent central control 4G networking state, and the other is used for indicating the GPS positioning state. Because the intelligent central control shell is made of light-transmitting materials, the states of the two LED indicator lamps can be visually seen outside the central control shell, and the central control 4G network and the GPS positioning state can be conveniently checked.

(6) And a power supply module: the power supply module consists of a standby lithium battery in the intelligent central control and a DCDC power supply conversion circuit in the central control, and outputs various voltages meeting the system requirements through the DCDC power supply conversion circuit to supply power for the 4G communication control module, the GPS positioning module, the six-axis sensor, the geomagnetic sensor, the RFID card reader and other auxiliary units; when the vehicle is normally used, the central control power supply is provided by the storage battery on the vehicle, and when the storage battery on the vehicle is not powered or the storage battery is replaced, the central control standby lithium battery is used for supplying power, so that the problems that the vehicle cannot be positioned, and the vehicle is lost and the like are prevented from being powered off.

In the actual vehicle use process:

(1) Turning on ACC control signals, and turning on a whole vehicle power supply by a vehicle controller;

(2) The GPS positioning module acquires current positioning data and transmits the current positioning data to the communication control module through a serial port;

(3) The communication control module controls the battery lock and the helmet lock to realize the back locking of the battery lock, the helmet lock is opened, and a user operates the helmet;

(4) The communication control module is communicated with the vehicle controller to acquire electric quantity information of the vehicle storage battery;

(5) The intelligent central control main control module (communication control module) broadcasts relevant voice reminding information in real time according to the current vehicle operation information;

(6) The communication control module transmits relevant sensor information (battery electric quantity, GPS positioning information and the like) acquired in real time to a background management system through 4G-LTE, and meanwhile receives control information issued by the background management system to realize vehicle control;

(7) In the running process of the vehicle, the user is allowed to stop temporarily, and after the temporary stopping is finished, the user can use the vehicle normally again;

(8) The method comprises the steps that when a vehicle arrives at a specified parking point, GPS positioning information is uploaded, a geomagnetic sensor is started at the same time, whether the vehicle is parked in a specified parking area is detected, if the vehicle is legal, parking is allowed, and if the vehicle is illegal, parking is prompted to the specified parking area;

(9) In the vehicle fortification state, the six-axis sensor starts a vibration detection function, if the vehicle moves, alarm information can be broadcast, and meanwhile, the alarm information is uploaded to a background for monitoring;

the intelligent central control has the following functions:

1. positioning in real time: and supporting GPS/Beidou positioning and base station positioning, preferentially adopting the GPS/Beidou positioning, and using the base station positioning when the GPS/Beidou positioning is invalid. A chip is assembled in the central control and integrated with GPS, beidou and LBS base station positioning functions. When the GPS satellite is positioned well, the position provided by the GPS is used first. If the Beidou signal is better, the Beidou position is selected. And the built-in program judges the number of the satellites which can be searched by the two systems at the time, and uses the data of system positioning with more satellites searched at the time as the reference, and when the GPS/Beidou positioning is invalid, the LBS base station positioning service system is used for positioning the base station.

2. Driving data: the method comprises the steps of supporting regular reporting of positioning data to a cloud platform through a cellular network, wherein the cloud platform can count information such as vehicle mileage, vehicle track and the like according to the data; and (3) regularly reporting rules: reporting every 8s in the motion state, and reporting every 1 hour in the rest (dormancy) state;

3. e-fence: after the vehicle is armed, the terminal supports to start an electronic fence function which takes the vehicle position as an origin and the fence distance as a radius, wherein the fence distance is set through a cellular network or Bluetooth, and the settable distance comprises 300 meters, 500 meters (default) and 1000 meters. When the intelligent central control detects that the vehicle exceeds the fence distance, the alarm information is reported to the cloud platform through the cellular network.

4. And (3) battery detection: support real-time detection vehicle battery and battery backup's voltage electric quantity, vehicle battery information passes through 485 bus and BMS communication and acquires, battery backup's electric quantity information adopts through the central control itself to regularly pass through the cellular network and upload electric quantity information to cloud platform. The vehicle battery information includes: battery voltage, battery power, battery temperature, cycle number, and charge remaining time; the backup battery information includes: battery voltage. And (3) reporting rules at regular time of the battery: when the vehicle is in a starting state, reporting battery information every 10 minutes; when the vehicle is in a flameout state, the battery information is reported every 3 hours.

5. And (5) power-off alarm: the method supports real-time detection of the on-and-off state of the vehicle battery. The vehicle battery is pulled out, the central control power supply is automatically switched to the standby battery, and the battery pulling-out information is reported to the cloud platform through a cellular network; and the vehicle battery is accessed, the central control power supply is automatically switched to the vehicle battery, and the battery access information is reported to the cloud platform through the cellular network.

6. ACC detection: and supporting the real-time detection of the ACC state of the vehicle, and reporting the ACC information to the cloud platform through the cellular network after detecting the change of the ACC state.

7. Start/stop: the cloud platform is supported to send a starting or flameout command to the central control through the cellular network, and the intelligent central control controls the starting or flameout of the vehicle after receiving the corresponding command; the mobile phone is supported to send a starting or flameout command to the central control through Bluetooth, and the intelligent central control controls the starting or flameout of the vehicle after receiving the corresponding command; and supporting to receive a remote controller button command and controlling the starting or flameout of the vehicle.

8. Arming/disarming: the cloud platform is supported to issue arming or disarming commands to the central control through the cellular network, and the intelligent central control receives the corresponding commands to control the arming or disarming of the vehicle; the mobile phone is supported to issue arming or disarming commands to the central control through Bluetooth, and the intelligent central control receives the corresponding commands to control the arming or disarming of the vehicle;

9. abnormal alarm: the built-in acceleration sensor supports to detect vibration and dumping abnormal actions of the vehicle when the vehicle is in a fortification state, generates an alarm after detecting the abnormal actions, locks the wheels for 15 seconds, and reports alarm information to the cloud platform through a cellular network;

10. and (3) detecting rotation: when the vehicle is in a fortification (unmanned vehicle) state, supporting to detect the rotation of wheels of the vehicle, generating an alarm after detecting the rotation, locking the tire for 15 seconds, and reporting alarm information to a cloud platform through a cellular network;

11. lock control function: two 5V motor locks are supported, one of which is used for locking the storage battery to prevent the storage battery from being stolen; the other path is used for locking the helmet, so that the user can return the helmet smoothly.

12. And (3) voice output: the voice prompt according to the vehicle state change is supported, the voice alarm is carried out according to the alarm type, and an external loudspeaker is needed.

13. Accurate/vertical parking: supporting a built-in geomagnetic sensor and detecting a direction; and an external NFC sensor or an RFID sensor is selected, fixed points are detected, and accurate/vertical parking is realized.

The precision/vertical parking scheme using sensors is described as follows:

(1) Geomagnetic sensor: the intelligent central control built-in geomagnetic field sensor of the shared electric bicycle can measure the earth magnetic field, if the local longitude, latitude and altitude are known under the condition of no magnetic interference, the magnetic inclination angle and the magnetic declination angle can be calculated by utilizing various earth magnetic field models after the direction of the earth magnetic field is measured, and then the north of the pole, the gesture and the like can be calculated, so that the direction of the bicycle head of the electric bicycle is determined, and the direction detection is realized;

(2) NFC sensor: in order to standardize the parking of the electric bicycle, an NFC technology is used, and whether the vehicle is parked in a fixed area or not is judged by intelligent central control, so that the fixed-point parking of the vehicle is realized, and the urban operation problems such as random parking and random parking of the vehicle are effectively solved.

Description: the intelligent central control built-in gyroscope sensor is connected with the NFC card reader through RS485 to realize data communication, the NFC card reader reads NFC passive tag data, the data transmission is for intelligent central control, the intelligent central control judges built-in gyroscope sensor data again, the wireless communication uploads to monitor the background, the vehicle direction and position judgment is realized, and accurate vertical parking judgment is carried out.

The realization steps are as follows: the intelligent central control (built-in gyroscope sensor) and the NFC card reader are arranged on the shared electric bicycle, and the intelligent central control (built-in gyroscope sensor) and the NFC card reader are in butt joint through an aviation connector wire, so that data transmission is realized. Wherein the NFC card reader is mounted at a foot pedal of the vehicle; installing NFC passive tags on each parking space, and binding the tags with the position information of each parking space; when a vehicle enters a parking space, the NFC card reading module reads the tag information and sends the tag information to a platform or an intelligent central control on the vehicle through the vehicle communication module to perform data processing, and meanwhile, the data is sent to a background supervision platform; the supervision platform can judge the information and parking position of the vehicle after receiving the label information and make an instruction whether to allow locking the vehicle or not; the intelligent central control judges whether the parking position of the vehicle head meets the requirement of a parking space or not through a gyroscope sensor, and makes an instruction whether to allow locking; through the cooperation of geomagnetic sensor and NFC card reader, realize accurate perpendicular parking of vehicle.

If the parking position of the electric bicycle is covered by geomagnetism, a geomagnetic scheme can be selected as accurate parking, and if the geomagnetism is not present, a gyroscope can be selected. The two schemes can be used, geomagnetism can realize fixed-point parking and accurate vertical parking of the vehicle at the same time, and the gyroscope can only realize accurate vertical parking. Geomagnetic costs are cheaper than gyroscopes, with cost advantages. And a geomagnetic transmitting device is arranged in the parking area, so that the coverage of the parking area can be realized, and the fixed-point parking of the shared electric bicycle can be realized. Fixed-point parking cannot be realized by a gyroscope alone, and other technologies are needed to be matched. The NFC sensor and the RFID sensor may not be used if geomagnetism exists.

14. Cellular network

Support mobile/telecom/UNICOM 4G CAT1 network, GSM network, support frequency band: LTE FDD Band1/3/5/8; LTE TDD, band 34/38/39/40/41; GSM:900Mhz/1800Mhz;

and the blind area data supplement transmission is supported, when a vehicle passes through an area with unreliable network signals such as an underground parking lot, the control chip automatically stores current vehicle condition data, and the current vehicle condition data is immediately supplemented and uploaded to a server after the network is normal. The product reserves enough storage space, can store enough temporary data, and can avoid the problem of data missing caused by no signal in a short time.

15. Bluetooth (R)

Support bluetooth BLE 4.1 communication, working distance can reach 10-20 meters (open test environment), when cellular network signal strength does not satisfy communication demand, intelligent central control equipment can carry out data exchange through bluetooth and cell-phone terminal, realizes vehicle basic control function through APP (applet). The Bluetooth control system supports the control of powering on, powering off, arming and disarming of the vehicle and unlocking of the vehicle through Bluetooth.

16. Serial port communication

The method comprises the steps of communicating with a controller and a BMS battery management system through a serial port or RS485 to obtain information related to the controller and the BMS;

data format: one start bit, eight data bits, no parity bits, one stop bit; baud rate: 9600 bits/s.

17. OTA remote upgrade

Supporting OTA upgrading work of the IOT software by remotely issuing a patch package through a background server;

the OTA upgrading operation of the battery BMS IOT software through intelligent central control by remotely issuing a patch package through a background server is supported;

supporting batch modification of the IOT software parameters by remotely issuing a configuration package through a background server;

the shared electric bicycle comprises the following operation steps:

1. first, an electric bicycle app is downloaded to a mobile phone, and the app is opened.

2. After the app is correctly opened, the app's main interface is entered, where the trolley site of the accessory and the site's situation are displayed. Clicking "I want to use the car" to enter the borrowing mode.

3. Here, defaulting to scanning the code mode, aiming at the two-dimensional code scanning below the electric bicycle backseat with the cell-phone camera, if light is too dark, still can select to turn on the flashlight illumination. If the long-time code scanning is invalid, the bicycle code can be manually input.

4. After the code scanning is completed, the app pops up the state information of the vehicle, displays the residual electric quantity and riding time, and if the residual electric quantity is too low, the system can automatically prompt that the electric quantity of the vehicle is low and ask for changing the code scanning again. If the code scanning is successful, the electric quantity is still unsatisfactory, the code scanning can be carried out again by manually switching the electric quantity, and if the vehicle state is satisfactory, the unlocking is clicked.

5. The vehicle borrowing is successful, and the residual electric quantity, the riding time and the riding cost of the vehicle are displayed. There is also a function of "temporary locking" in which if a temporary departure from the trolley is required during riding, then "temporary locking" can be selected, and the trolley in the temporary locking state cannot be borrowed by others. But the cost is normally deducted during locking. Returning again to the car, clicking "unlock".

6. After the trolley is used, clicking the 'I want to return' below the app, the app can display that the returning is successful, and automatically deducting the corresponding amount. The operation of returning the vehicle by the vehicle is completed once.

The utility model relates to a 4G intelligent central control device of a shared electric bicycle, which is a vehicle intelligent control terminal (hereinafter referred to as central control) for collecting information of an electric control system, a power system and a power system of an electric bicycle, processing, analyzing and feeding back. The central control supports a plurality of communication modes such as a cellular network, bluetooth, RF remote control (optional) and the like, and has the functions of vehicle positioning, vehicle theft prevention, vehicle control, vehicle information interaction, platform information interaction and the like. The 4G intelligent central controller adopts a 4G-LTE communication mode, supports the real-time positioning of a GPS global positioning system, a BDS Beidou satellite navigation system and an LBS mobile positioning service system, supports RFID, geomagnetism or Bluetooth spikes to realize fixed-point parking, and a BMS battery management system integrates BLE 4.2 Bluetooth communication, an accelerometer and a gyroscope, supports vehicle gesture detection and alarm, supports OTA remote upgrading of equipment, and solves the problem of wireless remote upgrading and updating of software. The utility model utilizes the latest mature technology, has proper equipment price and stable design system, is applied to electric power-assisted bicycles, electric bicycles and other equipment, and realizes the functions of background data interaction, vehicle positioning, vehicle management, remote control, code scanning unlocking, bluetooth control unlocking, arming, disarming, vibration detection, timing reporting and the like through the central controller.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (10)

1. 4G intelligent central control device of shared electricity bicycle, its characterized in that includes: the main circuit board and the light-transmitting material shell are sleeved outside the main circuit board; the main circuit board is integrated with a communication control module, a positioning module, a voice broadcasting module, a lock control module, an indicator light module and a power supply module;

the communication control module is respectively and electrically connected with the positioning module, the voice broadcasting module, the lock control module, the indicator lamp module and the power supply module; the communication control module is respectively in communication connection with the cloud platform and the mobile phone; the communication control module is respectively and electrically connected with an external vehicle controller and a camera;

the positioning module is in communication connection with an external geomagnetic transmitting device; the voice broadcasting module is electrically connected with an external loudspeaker; the lock control module is electrically connected with an external battery compartment lock and a helmet lock; the power supply module is electrically connected with a storage battery on an external electric bicycle.

2. The shared electric bicycle 4G intelligent central control device of claim 1, wherein the communication control module comprises a control chip, a 4G network chip, a bluetooth chip, and a 485 bus/serial port; the control chip, the 4G network chip, the Bluetooth chip and the 485 bus/serial port are welded and integrated on the main circuit board, and the control chip is electrically connected with the 4G network chip, the Bluetooth chip and the 485 bus/serial port respectively; the 4G network chip is used for communicating with the cloud platform and exchanging data; the Bluetooth chip is used for communication and data interaction with the mobile phone; the 485 bus/serial port is used for communicating with an external device including, but not limited to, a vehicle controller and a camera.

3. The shared electric bicycle 4G intelligent central control device according to claim 2, wherein the positioning module consists of a GPS/Beidou/LBS base station positioning chip for real-time positioning, a geomagnetic sensor chip and a six-axis sensor chip for parking positioning, and the GPS/Beidou/LBS base station positioning chip, the geomagnetic sensor chip and the six-axis sensor chip are welded and integrated on a main circuit board and are respectively and electrically connected with the control chip.

4. The shared electric bicycle 4G intelligent central control device of claim 3, wherein the lock control module comprises a battery lock driving circuit, a helmet lock circuit and an ACC control circuit, which are integrated on a main circuit board by welding and electrically connected with the control chip; the battery lock driving circuit is connected with the electric bicycle storage battery placement bin lock through an aviation waterproof butt wire and is used for controlling and detecting opening and closing of the electric bicycle storage battery placement bin lock; the helmet lock circuit is connected with the electric bicycle helmet placement bin lock through an aviation waterproof butt wire and is used for opening and closing control of the electric bicycle helmet placement bin lock and helmet return detection; the ACC control circuit is connected with the electric bicycle controller through an aviation waterproof pair connection wire and is used for controlling a whole bicycle power supply, a car lamp and wheel driving.

5. The shared electric bicycle 4G intelligent central control device according to claim 4, wherein the power supply module comprises a standby battery and a DCDC power supply conversion circuit, and the standby battery and the DCDC power supply conversion circuit are welded and integrated on a main circuit board and are electrically connected with the control chip; the DCDC power supply conversion circuit is electrically connected with a storage battery on the electric bicycle.

6. The shared electric bicycle 4G intelligent central control device according to claim 5, wherein the number of LED indicator lamps of the indicator lamp module is two, one is used for indicating the networking state of the 4G network chip, and the other is used for indicating the positioning state of a GPS/Beidou satellite navigation system.

7. The intelligent central control device for the shared electric bicycle 4G according to claim 6, wherein the backup battery is a lithium battery.

8. The shared electric bicycle 4G intelligent central control device according to claim 7, wherein the voice broadcasting module consists of a power amplifier driving circuit, and the power amplifier driving circuit is welded and integrated on a main circuit board and is electrically connected with the control chip; the power amplifier driving circuit is connected with an external loudspeaker through an aviation waterproof butt joint wire.

9. The shared electric bicycle 4G intelligent central control device according to claim 8, wherein the six-axis sensor chip is composed of a three-axis gyro sensor for vertical parking of the electric bicycle and a three-axis acceleration sensor for vibration detection during vehicle fortification.

10. The 4G intelligent central control device of the shared electric bicycle of claim 9, wherein the power amplifier driving circuit is connected with an external horn through a 2p M8 aviation waterproof pair wire; the battery lock driving circuit is connected with the storage battery placing bin lock of the vehicle through a 4P M8 aviation waterproof butt wire; the helmet lock driving circuit is connected with the vehicle helmet placing bin lock through a 6P M8 aviation waterproof butt wire.

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