KR-102964146-B1 - BATTERY EXCHANGE GUIDING METHOD AND BATTERY EXCHANGE SYSTEM

KR102964146B1KR 102964146 B1KR102964146 B1KR 102964146B1KR-102964146-B1

Abstract

A method for guiding battery replacement comprises a process of searching for a battery station (20) reachable by an electric vehicle (10) (a first search process) and a process of searching for a battery station (20) in which a battery (21) with a SOC greater than a predetermined value (SOC required from the battery station (20) to the destination + a value desired by the user regarding the remaining amount of SOC at the time of arrival at the destination) is stored (a second search process). The guidance method comprises a process of notifying the user of the electric vehicle (10) of the information of the battery station (20) extracted by the two search processes above.

Inventors

무라타 소시로
우메노 히로시
노무라 다카히로
오노즈카 유야

Assignees

도요타 지도샤（주）

Dates

Publication Date: 20260512
Application Date: 20231201
Priority Date: 20221205

Claims (8)

A process for acquiring information on the SOC of a first battery mounted on an electric vehicle, and A process for acquiring information on the SOC of a second battery stored in at least one battery exchange station, and A process for acquiring information regarding the destination of the above electric vehicle, and A process for obtaining the desired value of the remaining SOC at the time the electric vehicle reaches the destination, as a value desired by the user regarding the SOC of the electric vehicle, and A process for calculating the distance between the electric vehicle and the battery exchange station, and A first search process for searching for a battery exchange station reachable by the electric vehicle using the information on the distance and the information on the SOC of the first battery, and A process for calculating the SOC required to reach the destination from the battery exchange station, and A second search process for searching the battery exchange station in which the second battery, having an SOC greater than a predetermined value, is stored, using information on the SOC of the second battery; and The method comprises a process of notifying the user of the electric vehicle of the information of the battery exchange station extracted by the search in the first search process and the search in the second search process. The above second search process is a process of searching for the battery exchange station in which the second battery, charged to an SOC greater than that required to reach the destination from the battery exchange station, is stored. A battery exchange guidance method, wherein the second search process described above is a process of searching for the battery exchange station in which the second battery, which is charged to be greater than or equal to the sum of the SOC required to reach the destination from the battery exchange station and the desired value, is stored.
A process for acquiring information on the SOC of a first battery mounted on an electric vehicle, and A process for acquiring information on the SOC of a second battery stored in at least one battery exchange station, and A process of acquiring reservation information for other electric vehicles at the above-mentioned battery exchange station, and A process for calculating the distance between the electric vehicle and the battery exchange station, and A first search process for searching for a battery exchange station reachable by the electric vehicle using the information on the distance and the information on the SOC of the first battery, and A second search process for searching the battery exchange station in which the second battery, having an SOC greater than a predetermined value, is stored, using information on the SOC of the second battery; and The method comprises a process of notifying the user of the electric vehicle of the information of the battery exchange station extracted by the search in the first search process and the search in the second search process. A battery exchange guidance method, wherein the second search process is a process of searching for a battery exchange station in which the number of the second batteries, in which the SOC is greater than or equal to the predetermined value, is greater than the number of other electric vehicles that have reserved the battery exchange station.
In Article 1 or Article 2, The above electric vehicle is equipped with a display unit, and A battery exchange guidance method, wherein the above-mentioned notification process is a process of displaying the location of the battery exchange station extracted by the search in the first search process and the search in the second search process in a first embodiment on the display unit, and displaying the location of the battery exchange station that was not extracted by the search in the first search process and the search in the second search process in a second embodiment different from the first embodiment on the display unit.
In Paragraph 3, A battery exchange guidance method, wherein the above-mentioned notification process is a process of displaying the location of the battery exchange station extracted by the search in the first search process and the search in the second search process on the display unit while the location of the battery exchange station that was not extracted by the search in the first search process and the search in the second search process is not displayed on the display unit.
In Article 1 or Article 2, A battery exchange guidance method further comprising a process of urging the user to reserve the battery exchange station extracted by the search in the first search process and the search in the second search process, or performing the reservation of the battery exchange station extracted by the search in the first search process and the search in the second search process.
An electric vehicle equipped with a first battery, and At least one battery exchange station housing a second battery, and A control device is provided for acquiring information on the SOC of the first battery, information on the SOC of the second battery, information on the destination of the electric vehicle, and a desired value of the remaining SOC at the time the electric vehicle reaches the destination, as a value desired by the user regarding the SOC of the electric vehicle. The above control device is, Calculate the distance between the above electric vehicle and the above battery exchange station, and Using the information on the distance and the information on the SOC of the first battery, a first search is performed to search for the battery exchange station reachable by the electric vehicle, and Calculate the SOC required to reach the destination from the above battery exchange station, and Using information on the SOC of the second battery, a second search is performed to search for the battery exchange station in which the second battery, having an SOC greater than a predetermined value, is stored. Control is performed to notify the user of the electric vehicle of the information of the battery exchange station extracted by the first search and the second search. Executing the second search above involves searching the battery exchange station in which the second battery, charged to an SOC greater than that required to reach the destination from the battery exchange station, is stored. A battery exchange system in which performing the second search above involves performing a search of the battery exchange station in which the second battery is stored and charged to a value greater than or equal to the sum of the SOC required to reach the destination from the battery exchange station and the desired value.
An electric vehicle equipped with a first battery, and At least one battery exchange station housing a second battery, and A control device is provided for acquiring information on the SOC of the first battery, information on the SOC of the second battery, and reservation information of another electric vehicle at the battery exchange station, and The above control device is, Calculate the distance between the above electric vehicle and the above battery exchange station, and Using the information on the distance and the information on the SOC of the first battery, a first search is performed to search for the battery exchange station reachable by the electric vehicle, and Using information on the SOC of the second battery, a second search is performed to search for the battery exchange station in which the second battery, having an SOC greater than a predetermined value, is stored. Control is performed to notify the user of the electric vehicle of the information of the battery exchange station extracted by the first search and the second search, and A battery exchange system in which the second search described above is performed by searching for the battery exchange station in which the number of the second batteries, in which the SOC is greater than or equal to the predetermined value, is greater than the number of other electric vehicles that have reserved the battery exchange station.
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Description

Battery Exchange Guidance Method and Battery Exchange System The present disclosure relates to a battery replacement guidance method and a battery replacement system. Japanese Patent Publication No. 2014-135892 discloses an electric vehicle that identifies an reachable battery service station based on the charge status of the electric vehicle's battery and the location of the electric vehicle. FIG. 1 is a drawing showing the configuration of a battery exchange system according to one embodiment. FIG. 2 is a sequence diagram of a battery exchange system according to one embodiment. FIG. 3 is a drawing showing a first screen of a car navigation system according to one embodiment. FIG. 4 is a drawing showing a second screen of a car navigation system according to one embodiment. FIG. 5 is a drawing showing a car navigation screen according to a modified example of one embodiment. FIG. 6 is a sequence diagram of a battery exchange system according to a modified example of one embodiment. Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. In the drawings, the same or substantial parts are denoted by the same reference numerals, and their descriptions are not repeated. FIG. 1 is a diagram showing the configuration of a battery exchange system (1) related to the present embodiment. The battery exchange system (1) comprises a server (100), a plurality of electric vehicles (10), and a plurality of battery stations (20). Furthermore, the battery exchange system (1) and the battery stations (20) are examples of the “battery exchange system” and “battery exchange station” of the present disclosure. Also, the server (100) is an example of the “control device” of the present disclosure. The electric vehicle (10) is equipped with a battery (11), a communication device (12), and a car navigation system (13). The battery (11) supplies power to various electric devices, such as an unillustrated driving motor of the electric vehicle (10). Additionally, the battery (11) and the car navigation system (13) are each examples of the “first battery” and “display unit” of the present disclosure. The communication device (12) of the electric vehicle (10) communicates with the communication unit (103) of the server (100) described later. The electric vehicle (10) transmits its location information and SOC information, etc. to the server (100) through the communication device (12). In addition, the above information may be transmitted to the server (100) through a portable terminal, etc. carried by the user of the electric vehicle (10). The electric vehicle (10) includes, for example, a PHEV (Plug-in Hybrid Electric Vehicle), a BEV (Battery Electric Vehicle), and an FCEV (Fuel Cell Electric Vehicle). The communication device (12) of the electric vehicle (10) may include a DCM (Data Communication Module) or a communication I/F compatible with 5G (fifth generation mobile communication system). Each of the plurality of battery stations (20) is equipped with a plurality of batteries (21) that are interchangeable with the battery (11). Within the battery station (20), the battery (11) of the electric vehicle (10) and the battery (21) are interchanged. Additionally, the battery (21) is an example of the “second battery” of the present disclosure. Additionally, the battery station (20) is equipped with a processor (22), a memory (23), a communication unit (24), and an exchange processing unit (25). The exchange processing unit (25) performs the process of exchanging the battery (11) and the battery (21). The processor (22) controls the exchange processing unit (25). In memory (23), in addition to the program executed on the processor (22), information used in the program (e.g., maps, formulas, and various parameters) is stored. Each communication unit (24) of a plurality of battery stations (20) communicates with the communication unit (103) of the server (100). The communication unit (103) of the server (100) obtains from each communication unit (24) of the plurality of battery stations (20) information on the SOC of the battery (21) stored in the battery station (20), and information on the reservation of battery exchange in the battery station (20) (information on the number of reservation holders), etc. The server (100) includes a processor (101), a memory (102), and a communication unit (103). The processor (101) controls the communication unit (103). In addition to the program executed on the processor (101), information used in the program (e.g., maps, formulas, and various parameters) is stored in the memory (102). In the memory (102), location information of each of the plurality of battery stations (20) is stored. In addition, the location information may be transmitted from each of the plurality of battery stations (20). Here, in conventional systems, there are cases where it is difficult for an electric vehicle to reach its destination due to the SOC of the battery mounte