TWM566432U - Electric auxiliary system of electric vehicle - Google Patents

Abstract

An electric power assisting system for an electric vehicle includes an electric vehicle body and an external power supply vehicle. The electric vehicle body comprises an electric motor, a global positioning device, an input unit and a battery life processor. The tail end of the electric vehicle body is further provided with a first electrical connector and a first set of connectors, and the first electrical connector is electrically connected to the electric motor. The global positioning device can detect and output position information, the input unit is for input destination information, and the endurance processor is electrically connected to the global positioning device, the input unit and the first electrical connector. The external power supply vehicle includes a battery module, a second electrical connector and a second set of connectors, the second electrical connector is electrically connected to the battery module, and the external power supply vehicle is detachably associated with the second set of connectors. The first set of connectors of the electric vehicle body, and the second electrical connector is detachably correspondingly electrically connected to the first electrical connector, so that the battery module can supply power to the electric motor to operate and provide a power information. The battery life processor obtains the power supply vehicle replacement information according to the location information, the destination information and the power information, and the power supply replacement information includes at least one geographic information of the power supply replacement station.

Description

Electric vehicle power assist system

This creation relates to an electric power assist system, and more particularly to an electric power assist system for an electric vehicle.

As awareness of environmental protection and energy conservation has gradually risen, countries are constantly striving to reduce energy consumption and reduce emissions of pollutants. For the automobile, since the electric vehicle is powered by the battery in the vehicle to drive the motor to drive the vehicle forward, it does not generate harmful substances and reduce noise during driving, and thus has gradually received attention from the market.

At present, when the electric vehicle is running out of battery power, the owner must go to the charging place to charge the battery inside the vehicle. However, it takes at least one hour for the battery of the electric vehicle to be fully charged, even if it takes at least one hour. It takes more than 30 minutes to charge the battery to 80% with fast charging technology. Therefore, existing electric vehicles have problems of insufficient endurance and are not conducive to long-distance driving.

In view of this, in an embodiment, an electric power assist system for an electric vehicle is provided, including an electric vehicle body and an external power supply vehicle. The electric vehicle body comprises an electric motor, a global positioning device, an input unit and a battery life processor. The tail end of the electric vehicle body is further provided with a first electrical connector and a first set of connectors, and the first electrical connector is electrically connected to the electric motor. The global positioning device can detect and output position information, the input unit is for input destination information, and the endurance processor is electrically connected to the global positioning device, the input unit and the first electrical connector. The external power supply vehicle includes a battery module, a second electrical connector and a second set of connectors, the second electrical connector is electrically connected to the battery module, and the external power supply vehicle is detachably associated with the second set of connectors. The first set of connectors of the electric vehicle body, and the second electrical connector is detachably correspondingly electrically connected to the first electrical connector, so that the battery module can supply power to the electric motor to operate and provide a power information. The battery life processor obtains the power supply vehicle replacement information according to the location information, the destination information and the power information, and the power supply replacement information includes at least one geographic information of the power supply replacement station.

In summary, the power assist system of the present embodiment is detachably assembled with an external power supply vehicle through the tail end of the electric vehicle body, and is powered by the battery module on the external power supply vehicle to operate the electric motor. Therefore, if the battery module's power is running out during driving, just go to the power supply car replacement station and directly replace another external power supply vehicle, without spending a lot of time on charging work, to improve electric vehicle driving. Convenience.

In addition, the power assist system of the present embodiment further obtains the geographic information of at least one power supply station replacement station based on the location information of the vehicle, the destination information of the driver and the battery information of the battery module, so that the driving process is driven by the battery processor. In the process of driving to the destination, people can know exactly which places can be replaced with external power supply vehicles, so that the electric vehicles can maintain the continuous flight force and facilitate long-distance driving, and the driver can feel at ease during driving.

1 is a perspective view of an embodiment of a power assist system for creating an electric vehicle, and FIG. 2 is a system block diagram of a first embodiment of a power assist system for creating an electric vehicle. As shown in FIG. 1 and FIG. 2, the power assist system 1 includes an electric vehicle body 10 and an external power supply vehicle 20. In an embodiment, the power assist system 1 can be applied to a battery electric vehicle (BEV), that is, A vehicle propelled by an electric drive motor (or motor).

As shown in FIG. 1 and FIG. 2 , the electric vehicle body 10 includes an electric motor 11 , a global positioning device 12 , an input unit 13 , and a battery life processor 14 . The battery life processor 14 is electrically connected to the global positioning device 12 , the input unit 13 , and the first An electrical connector 16. In the present embodiment, the electric vehicle body 10 is a main body of the electric vehicle and has a plurality of wheels 101 (for example, four wheels 101). The electric motor 11 can connect the plurality of wheels 101 to drive the wheels 101 to rotate to drive the electric vehicle body 10 forward. . In some embodiments, the electric vehicle body 10 may also include a plurality of electric motors 11 and are respectively connected to the plurality of wheels 101, which is not limited in this embodiment.

As shown in FIG. 1 and FIG. 2, the global positioning device 12 can be a Global Positioning System (GPS) for detecting the position of the electric vehicle body 10 and outputting the position information P. The input unit 13 is configured to allow the user to input a destination information D. For example, the input unit 13 can be a touch panel (such as a touch panel of a navigation device) disposed in the electric vehicle body 10, and the user can pass through The destination information D to be visited is input by manual touch, for example, the destination information D may be the address or coordinate position of the destination, and the like. Alternatively, in other embodiments, the input unit 13 may also be a voice input unit for the user to input the destination information D by voice, which is not limited.

Referring to FIG. 1 and FIG. 2 , the tail end 15 of the electric vehicle body 10 can be provided with a first electrical connector 16 and a first set of connectors 17 , and the first electrical connector 16 is electrically connected to the electric motor 11 . In some embodiments, the first electrical connector 16 can be a variety of receptacle connectors, such as a Combo receptacle connector, a GB/T 20234 type receptacle connector or a CHAdeMO receptacle connector, and the like. The first set of connectors 17 are used for the connection of the external power supply vehicles 20.

Referring to FIG. 1 and FIG. 2, the external power supply vehicle 20 is detachably assembled to the tail end 15 of the electric vehicle body 10. In this embodiment, the external power supply vehicle 20 includes a battery module 21 , a second electrical connector 22 , and a second set of connectors 23 . The second electrical connector 22 is electrically connected to the battery module 21 . The external power supply cart 20 is detachably associated with the first set of connectors 17 of the electric vehicle body 10 by the second set of connectors 23, and the second electrical connector 22 is detachably correspondingly electrically connected to the first electrical connection. 16.

In one embodiment, the external power supply vehicle 20 can be a trailer or trailer type that is itself unpowered. The first set of the connecting members 17 of the tail end 15 of the electric vehicle body 10 and the second set of connecting members 23 of the external power supply vehicle 20 are mutually matched and assembled. For example, the first set of connecting members 17 is a hanging hole. The second set of connectors 23 is a hook corresponding to the hanging hole, but this is not limited. The first set of connectors 17 and the second set of connectors 23 may also be other matching locking structures or fitting structures and the like.

The first electrical connector 16 of the electric vehicle body 10 and the second electrical connector 22 of the external power supply vehicle 20 are also electrically connected to each other. For example, the first electrical connector 16 can be a socket connector. The two electrical connectors 22 are corresponding plug connectors. In some embodiments, the second electrical connector 22 can have a cable that extends from the external power supply vehicle 20 for transmission of electrical power.

Therefore, the external power supply vehicle 20 can be detachably associated with the first set of connectors 17 of the electric vehicle body 10 by the second set of connectors 23, so that the external power supply vehicle 20 can be pulled when the electric vehicle body 10 is advanced. Synchronous movement. For example, as shown in FIG. 1, the external power supply vehicle 20 can have at least one wheel 201 to be movable in synchronization with the electric vehicle body 10. In addition, the external power supply vehicle 20 can be detachably and electrically connected to the first electrical connector 16 by the second electrical connector 22, so that the battery module 21 of the external power supply vehicle 20 can be powered by the electric motor 11 to drive. The wheel 101 rotates forward. In some embodiments, the battery module 21 can be a rechargeable battery module, such as a fuel cell, a chemical battery, a solar cell, a lithium ion battery, a lithium polymer battery, a nickel hydrogen battery, a lead acid battery, or a lithium battery. The battery module or the battery module 21 can also be a Primary Battery module, which is not limited.

In the present embodiment, the external power supply vehicle 20 is detachably assembled through the rear end 15 of the electric vehicle body 10, and is powered by the battery module 21 on the external power supply vehicle 20 to operate the electric motor 11 to make electric When the vehicle is running, if the battery module 21 is running out of power, simply go to the power supply station to quickly replace another external power supply 20 and continue to supply power. It does not take a lot of time to perform charging operations. Improve the convenience of driving an electric car and greatly reduce the user's time to provide a convenient and fast driving experience.

As shown in FIG. 2, in an embodiment, the endurance processor 14 of the electric vehicle body 10 can be a computing device such as a Micro Control Unit (MCU) or a Micro Processing Unit (MPU). processor. The battery processor 14 can obtain a power supply vehicle replacement information according to the position information P output by the global positioning device 12, the destination information D input by the input unit 13, and the battery information of the battery module 21 of the external power supply vehicle 20. The power supply replacement information includes at least one geographic information of the power supply replacement station R. In an embodiment, the electric vehicle body 10 or the external power supply vehicle 20 may have a power detector (not shown) to detect the power information of the battery module 21 and provide it to the battery processor 14.

As shown in FIG. 2, in an embodiment, the electric vehicle body 10 can include a map database 19, and the map database 19 includes geographic information of a plurality of power supply station replacement stations R and is electrically connected to the endurance processor 14. The battery processor 14 can calculate the power supply vehicle replacement information from the map data library 19 according to the location information P, the destination information D, and the power information of the battery module 21. As shown in FIG. 3, the endurance processor 14 can output an instant electronic map M, and the instant electronic map M can indicate the location information P (that is, the instantaneous position of the electric vehicle) and the replacement of the power supply between the destination and the electric vehicle position. The geographical location of the station R, wherein the power supply vehicle replacement station R can have an external power supply vehicle 20 for replacement. Therefore, during driving to the destination, the driver can know exactly which places can be replaced with the external power supply vehicle 20, so that the electric vehicle can maintain the continuous flight force and facilitate long-distance driving, and the driver can feel at ease during driving. Hey.

In an embodiment, when the power information of the battery module 21 is less than the stored power value, the geographic information of the power supply station replacement station R is the geographic information of the power supply station replacement station R that is closest to the location information. For example, as shown in FIG. 2 and FIG. 3, the battery life processor 14 can output only the power supply vehicle replacement station R closest to the position information P when the battery module 21 has a power value of less than 20% (ie, the stored power value). Geographic information to remind drivers to replace the new external power supply car 20 as soon as possible. In addition, in an embodiment, the battery processor 14 can simultaneously send an alert signal to remind the driver that the battery information of the battery module 21 is less than the stored power value. For example, the warning signal can control a buzzer to send an alarm or control an instant electronic map. The power supply station replacement station R on M indicates flashing.

In some embodiments, the geographical information of the power supply vehicle replacement station R closest to the distance position information P may be calculated by the battery processor 14 itself or by a device calculation (for example, a cloud device) external to the electric vehicle body 10.

In an embodiment, as shown in FIG. 3, the endurance processor 14 can obtain a row of vehicle planning path T according to the destination information D and the location information P, and the geographic information of the power supply station replacement station R can be located on the driving planning path T. . For example, the battery processor 14 can be a processor of a navigation device, and the destination information D input by the driver and the position information P of the electric vehicle calculate a navigation path (ie, the driving rule indicated on the electronic map M of FIG. 3). Drawing path T), the endurance processor 14 may only indicate the geographic information of the power supply station changing station R located on the driving plan path T, for example, only the geographical location of the power supply station changing station R within 1 km from the driving plan path T News. Thereby, the driver can replace the new external power supply vehicle 20 in the process of traveling along the driving route T, thereby achieving the advantage of further saving time. In other embodiments, the endurance processor 14 can also transmit the destination information D and the location information P to an external device (such as a cloud computing device) through the communication unit, and the external device calculates the driving planning path T and then returns to the endurance processing. 14, this is not limited.

In an embodiment, the power supply vehicle replacement information may also be calculated by a device external to the electric vehicle body 10. As shown in FIG. 4, it is a system block diagram of a second embodiment of an electric power assisting system for an electric vehicle. In this embodiment, the electric vehicle body 10 includes a wireless communication unit 18 such as a WiFi module and an IEEE 802.11 module. Or Cellular System and so on. The battery processor 14 wirelessly transmits the power information of the location information P, the destination information D, and the battery module 21 to the device external to the electric vehicle body 10 (such as a cloud computing device) through the wireless communication unit 18, to calculate and obtain the replacement information of the power supply vehicle. The wireless communication unit 18 then wirelessly receives and obtains the power supply replacement information returned by the external device and transmits it back to the battery life processor 14.

As shown in FIG. 4, the power assist system 1 can include a cloud server 30, and the cloud server 30 is wirelessly connected to the wireless communication unit 18 of the electric vehicle body 10 to receive the location information P, the destination information D, and the battery. The power information of the module 21 is calculated and the power supply vehicle replacement information is calculated and transmitted back to the wireless communication unit 18. Thereby, the amount of calculation of the endurance processor 14 of the electric vehicle body 10 can be reduced.

As shown in FIG. 3 and FIG. 4, in an embodiment, the battery life processor 14 can wirelessly output a power supply vehicle reservation information B to the power supply vehicle replacement station R via the wireless communication unit 18 to reserve the power supply vehicle replacement station R. The external power supply car 20 prevents the driver from driving to the power supply car replacement station R, and no external power supply car 20 can be replaced.

As shown in FIG. 4 , in an embodiment, the external power supply vehicle 20 further includes a wireless charging unit 24 , and the wireless charging unit 24 is electrically connected to the battery module 21 . For example, the wireless charging unit 24 can be an induction coil that generates electromagnetic induction when the induction coil is close to the charger, thereby generating an induced current to charge the battery module 21. Thereby, the driver can also drive the battery module 21 to the charging station having the wireless charger without detaching the external power supply vehicle 20.

As shown in FIG. 5, in an embodiment, the battery module 21 of the external power supply vehicle 20 may include at least one battery pack 211 (for example, two battery packs 211 in the figure), and the power supply replacement information may further include The required quantity of the battery pack 211, that is, the driver can further know the number of battery packs 211 required to go to the destination through the power supply vehicle replacement information, so that the driver can know the number of battery packs required by the battery pack 211 in advance and It is estimated that it is possible to plan in advance which of the power supply station replacement stations R to replace the external power supply vehicle 20. Alternatively, in another embodiment, the power supply vehicle replacement station R may have a plurality of different external power supply vehicles 20, and the number of battery packs 211 of the battery modules 21 mounted on each external power supply vehicle 20 is different, if the driver Through the power supply vehicle replacement information, it is known that the battery pack 211 has a large demand, and the external power supply vehicle 20 having a large number of battery packs 211 can be replaced to reduce the number of replacements of the external power supply vehicle 20.

As shown in FIG. 5, it is a system block diagram of a third embodiment of an electric power assisting system for an electric vehicle. The electric vehicle body 10 itself may include a storage battery 111. The electric storage battery 111 is electrically connected to the electric motor 11, and the endurance processor. 14 is electrically connected to the storage battery 111. The battery module 21 of the external power supply vehicle 20 can include two battery packs 211. The battery life processor 14 can control the two battery packs 211 to simultaneously supply power to the electric motor 10 or control two groups. The battery pack 211 is supplied with power to the electric motor 11 and the battery 111, respectively. In some embodiments, the battery 111 can be a rechargeable battery such as a fuel cell, a chemical battery, a solar cell, a lithium ion battery, a lithium polymer battery, a nickel hydrogen battery, a lead acid battery, or a lithium battery.

For example, the battery processor 14 can obtain a residual power value of the battery 111, and when the battery processor 14 is greater than a threshold according to the remaining power value, the two battery packs 211 are simultaneously powered by the electric motor 11, When the remaining battery value is less than the threshold value, the battery processor 14 controls the two battery packs 211 to supply power to the electric motor 11 and the battery 111, respectively. For example, the battery processor 14 controls one of the battery packs 211 to supply power to the electric motor 11 and the other battery pack 211 to supply power to the battery 111 when the remaining power value of the battery 111 is less than 15% of the total power. Thereby, when the user cannot reach the power supply vehicle replacement station R when the battery module 21 is exhausted, the battery can be continuously supplied with power to the electric motor 11 to avoid the anchorage.

Although the technical content of the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the creation of the present invention, and any person skilled in the art should make some modifications and refinements without departing from the spirit of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application.

1‧‧‧Power Assist System
10‧‧‧Electric car body
101‧‧‧ Wheels
11‧‧‧Electric motor
111‧‧‧ battery storage
12‧‧‧Global Positioning Device
13‧‧‧Input unit
14‧‧‧Endurance processor
15‧‧‧End
16‧‧‧First electrical connector
17‧‧‧First set of connectors
18‧‧‧Wireless communication unit
19‧‧‧Capital database
20‧‧‧External power supply vehicle
201‧‧‧ Wheels
21‧‧‧ battery module
211‧‧‧ battery pack
22‧‧‧Second electrical connector
23‧‧‧Second set of connectors
24‧‧‧Wireless charging unit
30‧‧‧Cloud Server
P‧‧‧Location Information
D‧‧‧ Destination Information
B‧‧‧Power car reservation information
R‧‧‧Power supply station
T‧‧‧Truck planning route
M‧‧‧ Instant Electronic Map

[Fig. 1] A perspective view of an embodiment of an electric power assist system for an electric vehicle. [Fig. 2] A system block diagram of a first embodiment of a power assist system for an electric vehicle. [Fig. 3] A schematic diagram of the replacement information of the power supply vehicle in an embodiment of the electric power assisting system of the present electric vehicle. [Fig. 4] A system block diagram of a second embodiment of the power assist system of the present electric vehicle. [Fig. 5] A system block diagram of a third embodiment of the power assist system of the present electric vehicle.

Claims (11)

An electric power assist system for an electric vehicle includes: an electric vehicle body including an electric motor, a global positioning device, an input unit, and a battery life processor, wherein a tail end of the electric vehicle body further includes a first electrical connector And a first set of connectors, the first electrical connector is electrically connected to the electric motor, the global positioning device can detect and output a position information, the input unit is configured to input a destination information, and the endurance processor is electrically connected The global positioning device, the input unit and the first electrical connector; and an external power supply vehicle, including a battery module, a second electrical connector, and a second electrical connector, the second electrical connector Electrically connected to the battery module, the external power supply vehicle is detachably associated with the first set of connectors of the electric vehicle body by the second set of connectors, and the second electrical connector is detachably Correspondingly electrically connected to the first electrical connector, the battery module can be powered to operate the electric motor and provide a power information; wherein the battery processor is based on the location information, the destination information, and the power News powered car to get a replacement information, the information including geographical powered vehicles to replace at least a power station to replace the car's information. The power assist system of the electric vehicle of claim 1, wherein the electric vehicle body further comprises a wireless communication unit electrically connected to the battery life processor, the wireless communication unit wirelessly transmitting the location information, the purpose Information and the power information, and wirelessly receive the power supply replacement information. The power assist system of the electric vehicle according to claim 2, further comprising a cloud server, wherein the cloud server is wirelessly connected to the wireless communication unit to receive the location information, the destination information, and the power information, and The power supply vehicle replacement information is calculated and returned to the wireless communication unit. The power assist system of the electric vehicle of claim 1, wherein the electric vehicle body further comprises a wireless communication unit, the wireless communication unit is electrically connected to the battery life processor, and the battery life processor is further wirelessly outputted via the wireless communication unit. A power supply car reservation information. The power assist system of the electric vehicle according to claim 1, wherein the electric vehicle body further comprises a map database, the map database includes geographical information of a plurality of power supply station replacement stations, and is electrically connected to the battery life. The processor, the endurance processor calculates the power supply vehicle replacement information from the map database based on the location information, the destination information, and the power information. The power assisting system of the electric vehicle according to claim 1, wherein when the power information is less than a stored power value, the geographic information of the at least one power supply changing station includes a geographic information of a power supply station that is closest to the location information. . The electric power assist system of the electric vehicle according to claim 1, wherein the endurance processor further obtains a row of vehicle planning paths according to the destination information and the location information, where the geographic information of the at least one power supply vehicle replacement station is located Driving on the route. The power assist system of the electric vehicle of claim 1, wherein the battery module of the external power supply vehicle comprises at least one battery pack, and the power supply vehicle replacement information further includes a required quantity of the at least one battery pack. The electric power assist system of the electric vehicle according to claim 1, wherein the electric vehicle body further comprises a battery, the battery is electrically connected to the electric motor, and the battery processor is further electrically connected to the battery, the external type The battery module of the power supply vehicle includes two battery packs, and the battery processor controls the two battery packs to simultaneously supply power to the electric motor or separately to the electric motor and the storage battery. The electric power assist system of the electric vehicle of claim 9, wherein the endurance processor further obtains a residual power value of the battery, and the battery processor controls the two batteries according to the residual power value being greater than a threshold. The group simultaneously supplies power to the electric motor; and the endurance processor controls the two sets of battery packs to supply power to the electric motor and the storage battery respectively according to the remaining electric quantity value being less than the threshold value. The power assist system of the electric vehicle of claim 1, wherein the external power supply vehicle further comprises a wireless charging unit electrically connected to the battery module.