JP2023166192A - Charging authentication control system - Google Patents

Abstract

To control charging so as to neither exceed a demand value, nor spoil a charging plan, while improving convenience of a user.SOLUTION: A charging authentication control system comprises: a user's terminal device comprising an authentication key acquisition part for acquiring an authentication key issued in advance as information of identifying an individual user, a charging condition producing part for producing a charging condition based on the authentication key, and a first communication part for transmitting the acquired authentication key and the produced charging condition thereto; and a charging control device comprising a second communication part for receiving the authentication key and the charging condition that are transmitted by the first communication part, an authentication part for authenticating a user on the basis of the received authentication key, a supply state acquisition part for acquiring a supply state of power fed from a commercial power supply, and a charging control part for controlling a charging state of a charging device capable of feeding power to a storage battery installed in a vehicle on the basis of an authentication result obtained by the authentication part, the acquired supply state, and the received charging condition.SELECTED DRAWING: Figure 2

Description

The present invention relates to a charging authentication control system.

BACKGROUND ART Charging systems that charge electric vehicles (EVs), plug-in hybrid vehicles (PHEVs), and the like are conventionally known (for example, see Patent Document 1).

JP2013-85316A

In the conventional charging system as described in Patent Document 1, the operation by the user may be complicated, and the problem is that the convenience for the user cannot be improved. In addition, conventional charging systems have the problem of not being able to control charging without exceeding the demand value and without breaking the charging plan.

The present invention has been made in view of the above points, and provides charging authentication that can perform charging control without exceeding the demand value and preventing the charging plan from failing, while improving user convenience. Provide control system.

One aspect of the present invention includes: an authentication key acquisition unit that acquires an authentication key issued in advance as information for identifying an individual user; a charging condition generation unit that generates a charging condition based on the authentication key; a user terminal device comprising a first communication unit that transmits the authentication key and the generated charging condition; and a second communication unit that receives the authentication key and the charging condition transmitted by the first communication unit. an authentication section that authenticates the user based on the received authentication key; a supply status acquisition section that acquires the supply status of electric power supplied from a commercial power source; a charging control unit that controls a charging state of a charging device capable of supplying power based on an authentication result by the authentication unit, the acquired supply status, and the received charging condition. A charging authentication control system includes a charging control device.

Further, in one aspect of the present invention, in the charging authentication control system described above, the first communication unit and the second communication unit communicate with each other by short-range wireless communication.

Further, in one aspect of the present invention, the charging authentication control system further includes a consideration management server that manages the consideration for charging based on the user's charging history using the charging device.

Further, in one aspect of the present invention, in the charging authentication control system described above, the authentication key is issued based on the relationship between the facility where the charging control device is installed and the user, and the consideration management server is configured to: The compensation is managed for each facility and each user indicated by the authentication key.

Further, in one aspect of the present invention, in the charging authentication control system described above, the authentication key is issued for each charging control device and for each user, and the charging condition generation unit is configured to control the charging control indicated by the authentication key. Generate charging conditions for each device and user.

Further, in one aspect of the present invention, the above charging authentication control system further includes a customer information server that manages a relationship between a facility in which the charging control device is installed and a user, and the charging condition generation unit: A charging condition is generated based on information indicating the relationship obtained from the customer information server.

Further, in one aspect of the present invention, in the above-mentioned charging authentication control system, the first communication unit receives charging status information indicating the charging status controlled by the charging control unit, and the terminal device receives charging status information indicating the charging status controlled by the charging control unit. The battery pack further includes a presentation unit that presents information based on the charging state information.

According to the present invention, it is possible to perform charging control that does not exceed a demand value and prevents a charging plan from failing, while improving user convenience.

FIG. 1 is a diagram illustrating an example of an overview of a charging authentication control system according to the present embodiment. FIG. 1 is a diagram illustrating an example of a functional configuration of a charging authentication control system according to the present embodiment. It is a figure showing an example of a flow of acquisition of an authentication key of this embodiment. It is a figure showing an example of a customer registration condition table of this embodiment. FIG. 3 is a diagram illustrating an example of the relationship between charging time and charging power amount for each charging plan according to the present embodiment. It is a figure showing an example of composition of an authentication key of this embodiment. It is a figure which shows an example of the flow of acquisition of demand information of this embodiment. It is a figure showing an example of the flow of processing at the time of charge work of this embodiment. FIG. 3 is a diagram showing an example of a charging condition generated by a charging condition generating section of the present embodiment. FIG. 3 is a diagram illustrating an example of the flow of a charging status acquisition procedure by the charging authentication control system of the present embodiment.

FIG. 1 is a diagram showing an example of an outline of a charging authentication control system 1 according to the present embodiment. The charging authentication control system 1 includes a user terminal device 10, a charging control device 20, a monitoring device 30, a charging device 40, a charging management server 50, a consideration management server 60, and a customer information server 70.

The user terminal device 10 is, for example, a smart phone or a tablet device, and is capable of communicating with the charging control device 20, the charging management server 50, the consideration management server 60, the customer information server 70, and the like.
The charging control device 20 controls the charging device 40 to supply electric power supplied from a commercial power source to the electric vehicle connected to the charging device 40. Note that the electric vehicle referred to in this embodiment may be any vehicle that runs on electric power charged in an on-board battery, and includes a wide range of so-called electric vehicles (EVs) as well as plug-in hybrid vehicles (PHEVs) and the like. Further, the charging device 40 may be used not only to charge an electric vehicle but also to charge a portable battery device, for example.
The monitoring device 30 monitors the status of power supplied to the charging control device 20 from a commercial power source. The monitoring device 30 stores demand information regarding power supply, and supplies the stored demand information to the charging control device 20.
The charging device 40 supplies power to a charging target (for example, an electric vehicle) under the control of the charging control device 20. That is, the charging device 40 can supply power to a storage battery provided in a vehicle or the like.

Charging management server 50 is capable of communicating with user terminal device 10 and charging control device 20, and provides charging status information acquired by charging control device 20 to user terminal device 10.
The consideration management server 60 is capable of communicating with the user terminal device 10 and manages the consideration for the power charged by the charging device 40 through the operation of the user terminal device 10.

The customer information server 70 manages customer information of services to which the user of the user terminal device 10 subscribes as a customer. The service referred to here is, for example, a point service in which a store that installs the charging control device 20 (or the charging device 40) is a member.
Note that depending on the facility (for example, a store), there are cases where both the charging control device 20 and the charging device 40 are installed on the premises of the facility, and there are cases where only the charging device 40 is installed on the premises of the facility and the charging device 40 is installed outside the premises of the facility. In some cases, the charging control device 20 is installed. In the following description, when it is described as a facility where the charging control device 20 is installed, it also includes a facility where only the charging device 40 is installed on the premises.

The customer information server 70 manages the relationship between the facility where the charging control device 20 is installed and the user. The relationships mentioned here include, for example, whether the user subscribes to a point service or not, and the customer rank of the point service to which the user subscribes (for example, whether the user is a regular member, a gold member who receives more preferential treatment, etc.) ) etc.
Specific examples of functions provided by each of these devices will be described with reference to FIG. 2.

FIG. 2 is a diagram showing an example of the functional configuration of the charging authentication control system 1 of this embodiment.
The user terminal device 10 includes an authentication key acquisition section 110, a charging condition generation section 120, a terminal communication section 130, and a presentation section 140.
The charging control device 20 includes a charging control device communication section 210, a supply status acquisition section 220, a charging control section 230, and an authentication section 240.
The monitoring device 30 includes a measurement section 310 and a monitoring device communication section 320.
The charging management server 50 includes a charging management server communication section 510.
The consideration management server 60 includes a consideration management server communication section 610 and a consideration management section 620.
The customer information server 70 includes a customer information server communication section 710, a customer information management section 720, and an authentication key issuing section 730.

[About the authentication key]
The authentication key acquisition unit 110 acquires an authentication key from the customer information server 70. The flow of acquiring the authentication key will be explained with reference to FIG. 3.

FIG. 3 is a diagram showing an example of the flow of obtaining an authentication key according to this embodiment.
(Step S110) The terminal communication unit 130 of the user terminal device 10 transmits an authentication key issuance request to the customer information server 70. This authentication key issuance request includes information that identifies the user of the user terminal device 10, that is, user identification information (eg, user ID).
(Step S120) The customer information server communication unit 710 of the customer information server 70 receives an authentication key issuance request from the user terminal device 10. The customer information management unit 720 determines customer registration conditions for the user of the user terminal device 10 based on the user identification information included in the authentication key issuance request received from the user terminal device 10. For example, the customer information server 70 stores a customer registration condition table in a storage unit (not shown).

FIG. 4 is a diagram showing an example of a customer registration condition table according to the present embodiment. In the example shown in the figure, the user with the user identification information "U001" is associated with "full charge" as the charging plan and "C01" as the charging device identification information. The user with user identification information U002 is associated with "mild charging" as a charging plan and "C01" as charging device identification information. The user with user identification information U003 is associated with "small amount charging" as a charging plan and "C02" as charging device identification information. Full charge, mild charge, and small amount charge all indicate types of charging plans.

FIG. 5 is a diagram illustrating an example of the relationship between charging time and charging power amount for each charging plan of this embodiment.
Full charge is a plan that supplies more power (for example, enough power to fully charge an electric vehicle's storage battery) in a shorter time than other charging plans. A curve w1 shows an example of the relationship between charging time and charging power amount in the case of full charging.
Mild charging is a plan that uses less charging power per hour than full charging. A curve w2 shows an example of the relationship between charging time and charging power amount in the case of mild charging.
A small amount of charging is a plan in which the upper limit of the amount of electricity that can be supplied is set lower than that of a full amount of charging. A curve w3 shows an example of the relationship between charging time and charging power amount in the case of small amount charging.
Note that these charging plans are merely examples, and are not limited to those described above. Further various charging plans may be set in the customer registration condition table.

Returning to FIG. 4, the charging device identification information is information uniquely attached to each charging device 40 (or charging control device 20). The charging device identification information identifies a charging device 40 (or charging control device 20) that can be used by the user, among a plurality of charging devices 40 (or charging control device 20). For example, in the example shown in the figure, users with user identification information “U001” and “U002” can use the charging device 40 (or charging control device 20) with charging device identification information “C01”. Further, the user with the user identification information "U003" can use the charging device 40 (or the charging control device 20) with the charging device identification information "C02".

Returning to FIG. 3, if the user identification information included in the authentication key issuance request is "U001," the customer information management unit 720 determines that the charging plan is "full charge" as a customer registration condition, and the charging device identification It is determined that the information is "C01".

(Step S130) Upon determining the customer registration conditions, the authentication key issuing unit 730 issues an authentication key. This authentication key includes the user identification information determined in step S120, the minimum charging amount, the required charging time, the scheduled charging start time, the scheduled charging end time, the charging speed, and the charging device identification information. The authentication key is issued for each user and each charging device 40.

FIG. 6 is a diagram showing an example of the configuration of an authentication key according to this embodiment. The figure shows an example of information included in an authentication key issued to a user with user identification information "U001." In this example, the authentication key includes user identification information "U001," a charging plan "full charge," and charging device identification information "C01." This authentication key functions as digital key information indicating that the user terminal device 10 can use the charging device 40 indicated by the authentication key.

(Step S140) Returning to FIG. 3, the customer information server communication unit 710 transmits the issued authentication key to the requesting user terminal device 10.

(Step S150) The authentication key acquisition unit 110 of the user terminal device 10 receives the authentication key received from the customer information server 70. The authentication key acquisition unit 110 stores the received authentication key in a storage unit (not shown) of the user terminal device 10. Here, the authentication key is issued in advance by the customer information server 70 as information for identifying an individual user.
That is, the authentication key acquisition unit 110 acquires an authentication key issued in advance as information for identifying an individual user.
The authentication key is stored in the user terminal device 10 through the above-described procedure.

[About demand information]
FIG. 7 is a diagram illustrating an example of the flow of acquiring demand information according to this embodiment.
(Step S210) The measurement unit 310 of the monitoring device 30 measures the demand value of power supplied from the commercial power source to the charging control device 20. Here, the demand value is information indicating the supply status of electric power supplied from a commercial power source. As an example, the demand value indicates the average power usage in a demand time period (for example, 30 minutes) of power supplied from the commercial power source to the charging control device 20. The measurement unit 310 stores the history of the measured demand values in a storage unit (not shown) of the monitoring device 30.
(Step S220) The measurement unit 310 calculates the maximum value of the stored demand values. The monitoring device communication unit 320 transmits the maximum demand value calculated by the measurement unit 310 to the charging control device 20.

(Step S230) The charging control device communication unit 210 of the charging control device 20 receives the maximum value of the demand values transmitted by the monitoring device 30. The supply status acquisition unit 220 acquires the maximum value of the received demand values, and stores it in the storage unit (not shown) of the charging control device 20. That is, the supply status acquisition unit 220 acquires the supply status of electric power supplied from a commercial power source.

Note that the maximum demand value may be updated every predetermined period. For example, the monitoring device 30 may update the maximum demand value in the past year to the maximum demand value every month.
Further, the monitoring device 30 may store the maximum demand value in units of one month for multiple past years. In this case, the monitoring device 30 transmits to the charging control device 20 the maximum value of demand values for the past multiple years that are the same month as the current month. For example, if the current month is January, the monitoring device 30 transmits the maximum demand value for January for the past five years to the charging control device 20. According to the monitoring device 30 configured in this way, the monthly trend (or seasonal trend) of demand values can be provided to the charging control device 20. The charging control device 20 can generate a charging plan (charging control instruction) based on monthly trends (or seasonal trends) in demand values.

[Charging work flow]
FIG. 8 is a diagram showing an example of the flow of processing during charging work according to the present embodiment.
In an example of the present embodiment, the terminal communication unit 130 (first communication unit) and the charging control device communication unit 210 (second communication unit) can communicate with each other by short-range wireless communication.

(Step S310) The charging control device communication unit 210 of the charging control device 20 searches for a user terminal device 10 located near the charging control device 20. When the user terminal device 10 is detected, the charging control device communication unit 210 notifies the user terminal device 10 that the authentication key can be transmitted to the user terminal device 10. The terminal communication unit 130 of the user terminal device 10 receives a notification from the charging control device communication unit 210 indicating that the authentication key can be transmitted.
(Step S320) Terminal communication unit 130 transmits the authentication key to charging control device communication unit 210.

(Step S330) Charging control device communication unit 210 receives the authentication key transmitted from user terminal device 10. Authentication unit 240 authenticates the received authentication key. Here, the authentication of the authentication key refers to whether the user of the user terminal device 10 is a user authorized to supply power to an electric vehicle or the like using the charging device 40 controlled by the charging control device 20. The purpose is to determine whether or not. That is, the authentication unit 240 authenticates the user based on the received authentication key.
After authenticating the authentication key, the authentication unit 240 notifies the user terminal device 10 of the authentication result via the charging control device communication unit 210.
(Step S340) If the authentication key transmitted in step S320 is authenticated, the charging condition generation unit 120 generates a charging condition based on this authentication key.

FIG. 9 is a diagram showing an example of charging conditions generated by the charging condition generation unit 120 of this embodiment. The charging conditions include user identification information, charging device identification information, minimum charging amount, required charging time, charging speed, scheduled charging start time, and scheduled charging end time.
Here, the minimum charging amount is the minimum amount of power that should be charged in the storage battery at the time of completion of charging. Note that the minimum charging amount may be the minimum amount of power supplied from the charging device 40 to the storage battery (that is, the final supply amount), or the minimum remaining amount of the storage battery after charging (that is, the minimum amount of power that is supplied to the storage battery). It may be the lowest value of the state of charge (SOC).
The required charging time is the time required to charge the storage battery with a predetermined amount of power. The charging speed is the amount of charging power per unit time when the storage battery is being charged. The charging speed may be shown in stages such as "slow", "standard", and "rapid" in descending order of charging power amount per unit time. The scheduled charging start time is the scheduled time when the user connects the charging device 40 and the electric vehicle. The scheduled charging end time is the scheduled time when the user disconnects the charging device 40 from the electric vehicle.

In the example described above, the authentication key includes user identification information "U001", charging plan "full charge", and charging device identification information "C01". In this example, charging condition generating section 120 generates charging conditions based on the charging plan "full charge".
When the charging plan is "full charge", the charging condition generation unit 120 sets the minimum charging amount to be the same as "mild charging", sets the required charging time to be relatively short, and sets the charging speed to be relatively short. Set up fast.
The charging condition generation unit 120 calculates the scheduled charging start time and the scheduled charging end time based on, for example, the user's time designation operation on the user terminal device 10 and the learning results of the user's behavior history. do.
The charging condition generation unit 120 generates charging conditions based on the set minimum charging amount, required charging time, charging speed, calculated scheduled charging start time, and scheduled charging end time. In this example, the generated charging conditions include user identification information "U001", minimum charging amount "P1", required charging time "t1", scheduled charging start time "14:00", and scheduled charging end time "18:00". "Time", charging speed "Rapid", and charging device identification information "C01".

That is, the authentication key is issued for each charging control device 20 and for each user. The charging condition generation unit 120 generates charging conditions for each charging control device 20 and each user indicated by the authentication key.

Note that when the user subscribes to a point service, the type of charging plan may be selectable depending on the user's customer rank.
In this case, the customer information server 70 manages the customer rank of the user. As an example, the customer information server 70 stores a history of purchases made by users at facilities where the charging control device 20 is installed. Based on the purchase history, the customer rank of a user who spends a relatively large amount is set as a "gold member," and the customer rank of a user who spends a relatively small amount is set as a "regular member."
When the customer rank of the user is "regular member", "small amount charging" and "mild charging" can be selected. If the customer rank of the user is "Gold Member", "full charge" can be selected in addition to "small charge" and "mild charge".
In this case, if the customer rank of the user managed in the customer information server 70 is "Gold Member" and "Plenty of Charging" is selected as the charging plan, the charging condition generation unit 120 generates Generates charging conditions based on "fully charged".

That is, charging conditions are generated based on information indicating the relationship obtained from the customer information server 70.

Note that a plurality of charging devices 40 are arranged in one facility, and it may be possible to charge a plurality of electric vehicles at the same time. In this case, the user terminal device 10 may generate charging conditions such that charging is performed preferentially for users with higher customer ranks.

Returning to FIG. 8, the terminal communication unit 130 transmits the generated charging conditions to the charging control device 20.
That is, the terminal communication unit 130 (first communication unit) transmits the authentication key in step S320, and transmits the charging condition in step S340.

(Step S350) Charging control device communication unit 210 receives charging conditions transmitted from user terminal device 10. That is, the terminal communication unit 130 (second communication unit) receives the authentication key in step S330, and receives the charging condition in step S350.
Charging control unit 230 generates a charging control instruction based on the authentication result by authentication unit 240, the supply status acquired in step S230, and the charging condition received in step S350. Charging control unit 230 outputs the generated charging control instruction to charging device 40 to control charging device 40 .

[Example of control of charging device 40 by charging control unit 230]
(1) If the battery is charged at the charging speed specified in the charging conditions from the start of charging to the scheduled charging end time, the maximum demand value may be exceeded. In this case, charging control device 20 controls charging device 40 so as to control the amount of power supplied to charging device 40 so as not to exceed the maximum demand value, and to prevent the charging plan from failing. Here, failure of the charging plan means, for example, that the minimum charging amount is not reached even after the scheduled charging end time.

(2) The charging control device 20 is configured to simultaneously control a plurality of charging devices 40 (for example, a first charging device 40-1, a second charging device 40-2... (all not shown)). You can leave it there. In this case, there may be cases where the scheduled charging end time of the first charging device 40-1 is "18:00" and the scheduled charging end time of the second charging device 40-2 is "20:00." sell.
Furthermore, if the power supplied to the plurality of charging devices 40 at the same time exceeds the maximum demand value received in step S230, there may be a contract in which the power rate becomes higher. Even in such a case, the charging control device 20 controls the amount of power supplied to the charging devices 40 so as not to exceed the maximum demand value, and also prevents the charging plan of each charging device 40 from failing. , controls the charging device 40.
If the amount of power supplied to the charging device 40 is likely to exceed the maximum demand value, the charging control device 20 prioritizes the power supply by the first charging device 40-1, which has an earlier scheduled charging end time, and stops charging. The power supply by the second charging device 40-2 whose scheduled end time is later is temporarily stopped (or the amount of power supplied is reduced).

(Step S360) The charging device 40 starts charging based on the charging control instruction generated by the charging control device 20.
(Step S370) The charging control device 20 determines whether to complete the charging control instruction. Specifically, charging control device 20 determines to complete the charging control instruction if the amount of power supplied by charging device 40 satisfies the charging condition received from user terminal device 10 in step S350. Note that the charging condition may be a condition based on the minimum value of the amount of power supplied to the storage battery from the charging device 40 (i.e., the final supply amount), or a condition based on the minimum remaining amount of the storage battery after charging (i.e., , the lowest value of the state of charge (SOC) of the storage battery).
(Step S380) Charging control device 20 outputs a charging stop request to charging device 40.
(Step S390) Upon receiving the charging stop request from the charging control device 20, the charging device 40 stops the charging operation.

Further, in step S350, charging control unit 230 transmits the generated charging control instruction to charging management server 50.
(Step S400) Charging management server communication unit 510 of charging management server 50 receives the charging control instruction transmitted by charging control unit 230, and stores it in a storage unit (not shown).

(Step S410) Charging management server 50 transmits a charging control instruction to user terminal device 10. This charging control instruction includes the scheduled charging end time calculated by the charging control device 20. Upon receiving the charging control instruction, the presenting unit 140 of the user terminal device 10 presents the scheduled charging end time to the user. In this case, the charging control instruction functions as charging state information indicating the state of charging control by the charging control device 20.
That is, the terminal communication unit 130 (first communication unit) receives charging state information indicating the charging state controlled by the charging control unit 230. Presentation unit 140 presents information based on the received charging state information.

[Flow of acquiring charging status]
The user terminal device 10 can acquire the charging status by the charging control device 20 without directly communicating with the charging control device 20. With reference to FIG. 10, the procedure for acquiring the charging status will be described.

FIG. 10 is a diagram illustrating an example of the flow of the charging status acquisition procedure by the charging authentication control system 1 of this embodiment.
(Step S510) The user terminal device 10 transmits a charging status confirmation request to the charging management server 50.
(Step S520) Upon receiving the charging status confirmation request from the user terminal device 10, the charging management server 50 transmits a charging status confirmation request to the charging control device 20.
(Step S530) The charging control device 20 outputs a charging status confirmation request to the charging device 40.
(Step S540) The charging device 40 acquires the charging status of the electric vehicle connected to the charging device 40, and outputs it to the charging control device 20 as a charging status confirmation response.
(Step S550) Charging control device 20 transmits the charging status acquired from charging device 40 to charging management server 50.
(Step S560) Charging management server 50 transmits the charging status received from charging control device 20 to user terminal device 10. Further, the charging management server 50 may transmit the charging status to the consideration management server 60.
(Step S570) The user terminal device 10 presents the charging status received from the charging management server 50 on the presentation unit 140 (for example, a liquid crystal display).
(Step S580) The consideration management server 60 performs billing processing for the user of the user terminal device 10 based on the charging status received from the charging management server 50.

Here, billing processing by the consideration management server 60 will be explained. The consideration management server 60 manages the consideration for charging by the charging device 40 based on the user's charging history by the charging device 40.
As an example, the consideration management server 60 calculates a fee according to the amount of power that the charging device 40 supplies to the user's electric vehicle, and debits the calculated fee from the user's bank account or credits the user with a credit card in the user's name. It may be configured to charge a card account.

As another example, the user may be a member of a point service affiliated with a facility (for example, a store) in which the charging control device 20 (or the charging device 40; the same applies in the following description) is installed. In this case, the consideration management server 60 calculates the consideration according to the amount of power that the charging control device 20 supplies to the user's electric vehicle, and points are given to the user by the facility operator according to the calculated consideration. The billing process may be performed by subtracting .
In this case, the authentication key may be issued based on the relationship between the facility where charging control device 20 is installed and the user. The remuneration management server 60 may be configured to manage remuneration for each facility and each user indicated by the authentication key.

Further, the consideration management server 60 may provide an incentive based on the trend of the demand value in the above-described billing process based on point subtraction. For example, the consideration management server 60 deducts more points from the amount of electricity per unit during a time period when the demand value of the facility where the charging control device 20 is installed is relatively high, and During times when the value is relatively low, fewer points are subtracted for each unit of power.
According to the price management server 60 configured in this way, it is possible to equalize the demand value at the facility.

Further, the customer information server 70 may store the user's home address and the address of the facility where the charging control device 20 is installed. In this case, the distance between the user's home and the facility where the charging control device 20 is installed can be calculated. The consideration management server 60 may manage the consideration for charging by providing the amount of electricity for traveling the calculated distance free of charge to the user and having the facility bear the cost of the amount of electricity. .

As explained above, in the charging authentication control system 1 of this embodiment, the user terminal device 10 generates charging conditions based on the authentication key (that is, the digital key). Charging control device 20 generates a charging control instruction for charging device 40 based on the generated charging condition and the maximum value of the demand value (that is, the power supply status). That is, the functions are shared so that the user terminal device 10 generates charging conditions and the charging control device 20 generates charging control instructions. According to the charging authentication control system 1 configured in this way, the demand value can be determined by exchanging two types of information, the authentication key and the charging conditions, between the user terminal device 10 and the charging control device 20. It is possible to control charging so as not to exceed the limit and to prevent the charging plan from breaking. That is, according to the charging authentication control system 1, communication between the user terminal device 10 and the charging control device 20 can be simplified.
Further, according to the charging authentication control system 1, the user terminal device 10 can generate charging conditions without the user setting the charging conditions in detail. Therefore, the burden on the user in operating the user terminal device 10 can be reduced, and the user's convenience can be improved. Furthermore, according to the charging authentication control system 1, the user terminal device 10 generates the charging conditions even if the user does not set the charging conditions in detail, so the desired charging conditions may be set due to an operational error by the user. It is possible to avoid the situation where it is not possible.

In addition, although the example of embodiment mentioned above demonstrated the case where the charging control apparatus 20 and the charging device 40 were equipped, for example in facilities, such as a store, it is not restricted to this.
Charging control device 20 and charging device 40 may be installed in an apartment complex where multiple users reside. The housing complex has a parking lot for electric cars, and the charging device 40 supplies charging power to the electric cars parked in this parking lot. In this case, when a user signs a parking lot contract, an authentication key is distributed to the user terminal device 10 of the user.
In addition, in the case of the above-mentioned store example, the authentication key may indicate charging conditions for each facility (store) and each user, and may indicate charging conditions for each charging control device 20 and each user. was there. For example, in an apartment complex, the same authentication key is issued to each user within the family, and the same charging conditions are set within the family, and the same authentication key is issued to each user within the family. Different authentication keys may be issued, and the same charging conditions may be set within a family for these different authentication keys.

As a charging plan in this example,
a. The number of kilometers to be traveled on weekdays and the number of kilometers to be traveled on holidays are registered in advance, and the battery is charged with an amount of electricity corresponding to the number of kilometers to be traveled (for example, at a predetermined time every day).
b. The number of kilometers to be traveled per week is registered in advance, and the battery is charged with an amount of electricity corresponding to the number of kilometers to be traveled (for example, at night, when the unit price of electricity is relatively low).
c. Fully charge it every day.
and so on. Further, the charging plan may be configured such that the user can select the above-mentioned charging plan depending on the situation by operating the user terminal device 10.

An example in which the charging control device 20 and the charging device 40 are installed in an apartment complex will be described. In this embodiment, an example will be explained in which the electric vehicles to be charged are electric vehicle A and electric vehicle B, and the nighttime power rate is cheaper than the daytime power rate. It is assumed that the user of electric vehicle A is user A, and the user of electric vehicle B is user B. As an example, both user A and user B are residents of an apartment complex.

(Prerequisite)
・Electric vehicle A charging plan: Minimum charging amount 10kwh, scheduled charging end time 5:00 AM
・Electric car A: Charger connection start time AM0:00
・Electric vehicle B charging plan: Minimum charging amount 5kwh, scheduled charging end time 9:00 AM
・Electric car B: Charger connection start time 4:00 PM
・Night power hours: 11:00 PM to 6:00 AM
- The maximum amount of power that can be used for charging (allowable power value) is the power that is obtained by subtracting the general load power consumption of the entire apartment complex from the demand value of the entire apartment complex.
- Past allowable power values for each day of the week and each time period are stored in advance in the charging control device 20.

(Step S1) (Time: 4 PM) Electric vehicle B is connected to charging device 40. Charging control device 20 authenticates user B based on user B's authentication key and acquires a charging plan.

(Step S2) Charging control device 20 generates a charging control instruction based on the charging plan acquired in step S1.
Specifically, the time period for night power is 7 hours from 11 PM to 6 AM. The charging control device 20 calculates the average charging output (0.72 kwh) when charging the minimum charge amount of 5 kwh for user B in the scheduled charging time of 7 hours.
The charging control device 20 compares the allowable power value for each day of the week and each time period with the average charging output. As a result of the comparison, if the relationship of allowable power value>charging average output is satisfied in all time periods within the charging period for electric vehicle B, charging control device 20 determines that "Charging start time: 11 PM, charging end scheduled" A charging control instruction such as "Time: 6 AM, average charging output: 0.72 kwh" is saved as reservation information, and the system waits.

(Step S3) When the reserved charging start time (11:00 PM) arrives, the charging control device 20 starts charging the electric vehicle B.

(Step S4) (Time: 0 AM) Electric vehicle A is connected to charging device 40. Charging control device 20 authenticates user A based on user A's authentication key and acquires a charging plan.

(Step S5) Charging control device 20 generates a charging control instruction based on the charging plan acquired in step S4.
Specifically, the charger connection time period for electric vehicle A is 5 hours from 0 AM to 5 AM at the current time. The charging control device 20 calculates the charging average output (2.0 kwh) when charging the user A with a minimum charging amount of 10 kwh in a scheduled charging time of 5 hours.
The charging control device 20 compares the allowable power value for each day of the week and each time period with the total value of the average charging output to electric vehicle A and electric vehicle B (total charging average power).
As a result of the comparison, if the relationship of allowable power value>total charging average power is satisfied in all time periods within the charging period for electric vehicles A and B, the charging control device 20 determines the "scheduled charging start time (current time)". ): 0 AM, Scheduled charging end time: 5 AM, Charging average output: 2.0 kwh'' is generated, and charging of electric vehicle A is started.
As a result of the comparison, if there is a time period during which the relationship of allowable power value > total charging average power is not satisfied within the charging period for electric vehicles A and B, the charging control device 20 determines that the minimum charge amount in the time period is The charging output to a relatively large electric vehicle (in this example, electric vehicle A) is reduced to an output that satisfies the allowable power value=total charging average power. The charging control device 20 slides the reduced amount of power to the amount of remaining power in a time period where the allowable power value>total charging average power is satisfied.
If there is a time period in which the allowable power value > total charging average power is not satisfied even after performing the slide to the surplus power described above, change to an electric vehicle with an earlier scheduled charging end time (in this example, electric vehicle A). After completing the charging of the electric vehicle, the electric vehicle whose scheduled charging end time is later (in this example, the electric vehicle B) is charged. For example, the remaining minimum charge amount (5kWh - (0 .72kWh×2h)) = 3.56kWh (that is, charging with an average charging output of 0.89kWh). In this case as well, the charging control device 20 generates a charging control instruction based on the allowable power value for each day of the week and each time period, and the average charging output to electric vehicle B.
In this example, the charging control device 20:
・Electric vehicle A: Scheduled charging start time 0 AM, scheduled charging end time 5 AM, average charging output 2.0 kwh ・Electric vehicle B: Scheduled charging start time 5 AM, scheduled charging end time 9 AM, average charging output 0.89 kWh
Generates charging control instructions and starts charging.
Furthermore, if the demand becomes tight during charging, the charging control device 20 performs control to reduce the excess charging current and regenerates the charging control instruction.

Note that each unit included in each device in the above embodiments may be realized by dedicated hardware, or may be realized by a memory and a microprocessor.

Each part of each device is composed of memory and a CPU (Central Processing Unit), which realizes the functions of each part of each device by loading programs into the memory and executing them. It may be.

In addition, the control unit can be controlled by recording a program for realizing the functions of each part of each device on a computer-readable recording medium, and having the computer system read and execute the program recorded on the recording medium. Processing may be performed by each section provided. Note that the "computer system" herein includes hardware such as an OS and peripheral devices.

Furthermore, the term "computer system" includes the homepage providing environment (or display environment) if a WWW system is used.
Furthermore, the term "computer-readable recording medium" refers to portable media such as flexible disks, magneto-optical disks, ROMs, and CD-ROMs, and storage devices such as hard disks built into computer systems. Furthermore, a "computer-readable recording medium" refers to a storage medium that dynamically stores a program for a short period of time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. It also includes devices that retain programs for a certain period of time, such as volatile memory inside a computer system that serves as a server or client. Further, the above-mentioned program may be one for realizing a part of the above-mentioned functions, or may be one that can realize the above-mentioned functions in combination with a program already recorded in the computer system.

Although one embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to that described above, and various design changes etc. may be made without departing from the gist of the present invention. It is possible to

1... Charging authentication control system, 10... User terminal device, 20... Charging control device, 30... Monitoring device, 40... Charging device, 50... Charging management server, 60... Consideration management server, 70... Customer information server

Claims (7)

an authentication key acquisition unit that acquires an authentication key issued in advance as information for identifying an individual user;
a charging condition generation unit that generates charging conditions based on the authentication key;
a first communication unit that transmits the acquired authentication key and the generated charging condition;
a user terminal device comprising;
a second communication unit that receives the authentication key and the charging condition transmitted by the first communication unit;
an authentication unit that authenticates a user based on the received authentication key;
a supply status acquisition unit that acquires the supply status of electric power supplied from a commercial power source;
Based on the authentication result by the authentication unit, the acquired supply status, and the received charging condition, the charging state of a charging device capable of feeding the electric power to a storage battery provided in the vehicle is determined, a charging control unit that controls;
A charging control device comprising;
Charging authentication control system. The charging authentication control system according to claim 1, wherein the first communication unit and the second communication unit communicate with each other by short-range wireless communication. The charging authentication control system according to claim 1, further comprising a consideration management server that manages a consideration for charging based on a user's charging history using the charging device. The authentication key is issued based on the relationship between the user and the facility where the charging control device is installed,
The charging authentication control system according to claim 3, wherein the consideration management server manages the consideration for each facility and each user indicated by the authentication key. The authentication key is issued for each charging control device and each user,
The charging authentication control system according to claim 1, wherein the charging condition generation unit generates charging conditions for each of the charging control devices and for each user indicated by the authentication key. further comprising a customer information server that manages the relationship between the facility where the charging control device is installed and the user;
The charging authentication control system according to claim 1, wherein the charging condition generation unit generates charging conditions based on information indicating the relationship obtained from the customer information server. The first communication unit receives charging state information indicating the charging state controlled by the charging control unit,
The user terminal device further includes a presentation unit that presents information based on the received charging state information.
The charging authentication control system according to claim 1.

Images