Charging management device for prescribed facility

Abstract

The charging management device is a charging management device for a prescribed facility provided with a parking space for charging in which a charging device for charging a vehicle-mounted battery is provided, the charging management device acquiring an operation time of the prescribed facility, and controlling the charging device to charge the vehicle-mounted battery during the operation time of the prescribed facility. Charging by the charging device in the parking space for charging is prohibited, and outside the operation time of the predetermined facility, charging by the charging device in the parking space for charging is permitted using the predetermined power.

Description

Technical Field

[0001] The present disclosure relates to a charging management device for a specified facility. More specifically, it relates to a charging management device for a specified facility provided with a parking space for charging, where the parking space for charging is provided with a charging device for charging a vehicle-mounted battery. Background Art

[0002] Conventionally, as such a charging management device for a specified facility, one has been proposed that controls the power supplied to a charging unit based on at least one of the power consumption of electrical devices, the charging state of a storage battery, and time-of-use electricity cost information of a power source (for example, refer to Japanese Patent Laid-Open No. 2011-019363). Through such control, large-scale electrical construction is not required at locations where a charging unit is needed, and anyone can easily install a charging socket. In addition, such control can suppress the cost of electrical construction and the increase in the basic cost of electricity usage related to the contract power capacity. Summary of the Invention

[0003] However, in a specified facility having the above-described charging management device, the charging equipment is usually used during the operating time (business hours) of the specified facility. Therefore, it is necessary to conclude a contract with an electric power company for power exceeding the sum of the power required for the operation of the specified facility and the power required for charging through the charging equipment.

[0004] The main object of the charging management device for a specified facility of the present disclosure is to achieve adjustment between the power consumed for the operation of the specified facility and the power required for charging through the charging equipment.

[0005] The charging management device for a specified facility of the present disclosure adopts the following technical means to achieve the above main object.

[0006] The first charging management device for a specified facility of the present disclosure is a charging management device for a specified facility provided with a parking space for charging, where the parking space for charging is provided with a charging device for charging a vehicle-mounted battery. The charging management device is characterized in that it obtains the operating time of the specified facility, during the operating time of the specified facility, charging through the charging device in the parking space for charging is prohibited, outside the operating time of the specified facility, charging through the charging device in the parking space for charging using specified power is permitted.

[0007] The first specified facility of the present disclosure is provided with a charging parking space, and a charging device for charging the in-vehicle battery is provided in the charging parking space. The charging management device of the specified facility obtains the operating time of the specified facility. During the operating time of the specified facility, the charging management device prohibits charging through the charging device in the charging parking space. Outside the operating time of the specified facility, the charging management device allows charging to be performed through the charging device in the charging parking space using the specified power. That is, charging through the charging device in the charging parking space is allowed during the time when the specified facility is not operating. Therefore, it is only necessary to sign a contract with the power company for the power required for the operation of the specified facility, and the contract power can be suppressed to a lower level. As a result, the adjustment between the power consumed by the operation of the specified facility and the power required for charging through the charging device can be made more appropriate.

[0008] In the charging management device of the first specified facility of the present disclosure, it may also be that obtain information related to the weather, when it is predicted based on the information related to the weather that the specified facility will not operate, allow charging to be performed through the charging device in the charging parking space using the specified power. In this way, it is possible to more appropriately allow charging through the charging device in the charging parking space in a facility whose operation is affected by the weather.

[0009] The charging management device of the second specified facility of the present disclosure is the charging management device of a specified facility provided with a charging parking space, and a charging device for charging the in-vehicle battery is provided in the charging parking space. The charging management device is characterized in that obtain the contract power and the used power of the specified facility, when the differential power obtained by subtracting the used power from the contract power of the specified facility is less than the specified power, prohibit charging through the charging device in the charging parking space, when the differential power is equal to or greater than the specified power, allow charging to be performed through the charging device in the charging parking space using the specified power.

[0010] The second specified facility of the present disclosure is provided with a parking space for charging, and a charging device for charging the in-vehicle battery is provided in the parking space for charging. The charging management device of the specified facility acquires the contract power and the power consumption of the specified facility. When the differential power obtained by subtracting the power consumption from the contract power of the specified facility is less than the specified power, the charging management device prohibits charging through the charging device in the parking space for charging. When the differential power is equal to or greater than the specified power, the charging management device allows charging through the charging device in the parking space for charging using the specified power. That is, regarding charging through the charging device in the parking space for charging, it is permitted when the differential power obtained by subtracting the power consumption from the contract power of the specified facility is equal to or greater than the specified power. Therefore, it is only necessary to sign a contract with the power company for the power consumption of the specified facility, and the contract power can be suppressed to a lower level. As a result, the adjustment between the power consumed by the operation of the specified facility and the power required for charging through the charging equipment can be made more appropriate.

[0011] In the charging management device of the second specified facility of the present disclosure, it may also be that the operating time of the specified facility is obtained, when the differential power is equal to or greater than the specified power during the non-operating time of the specified facility, charging through the charging device in the parking space for charging is allowed. That is, regarding charging through the charging device in the parking space for charging, it is permitted when it is the time when the specified facility is not operating and the differential power obtained by subtracting the power consumption from the contract power of the specified facility is equal to or greater than the specified power. In this case, when the differential power is less than the specified power, charging through the charging device in the parking space for charging is allowed using the power within the range of the differential power. In this way, it is possible to always charge through the charging device in the parking space for charging using the power within the range of the differential power. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Hereinafter, the features, advantages, and technical and industrial significance of the exemplary embodiments of the present invention will be described with reference to the drawings. In the drawings, the same reference numerals denote the same elements, and in the drawings: Figure 1 is a schematic configuration diagram showing the configuration of a specified facility 20 having a charging management device as an embodiment of the present disclosure; Figure 2 is a schematic configuration diagram showing the configuration of a vehicle capable of using a rechargeable parking lot 32; Figure 3 is a flowchart showing an example of a charging management process executed by an electronic control unit 60; Figure 4is an explanatory diagram showing an example of the relationship between the operation time of the specified facility 20 and the power required for charging by the charging device 35; Figure 5 is a flowchart showing an example of the charging management process of a modified example; Figure 6 is a flowchart showing an example of the charging management process of a modified example. Detailed implementation mode

[0013] Next, a mode for implementing the present disclosure will be described. Figure 1 is a schematic configuration diagram showing the configuration of the specified facility 20 having a charging management device as an embodiment of the present disclosure. As shown in the figure, the specified facility 20 of the embodiment includes a facility electrical load 22, a parking lot 30, a power supply circuit 50, and an electronic control unit 60. As the charging management device of the embodiment, the electronic control unit 60 is compliant.

[0014] As the specified facility 20, for example, public facilities, commercial facilities, stations, airports, hotels, etc. and facilities having rechargeable parking spaces are compliant, and the rechargeable parking spaces are provided with charging devices for charging the in-vehicle battery. As the facility electrical load 22, electrical equipment used in the facility is compliant.

[0015] The parking lot 30 has a rechargeable parking lot 32 and a general parking lot 36. A plurality of parking spaces 34 are arranged in the rechargeable parking lot 32, and charging devices 35 for charging and discharging the in-vehicle battery are arranged in each parking space 34. In addition, a plurality of parking spaces 38 are also arranged in the general parking lot 36.

[0016] The power supply circuit 50 is provided between the facility electrical load 22 and the rechargeable parking lot 32 of the parking lot 30. The power supply circuit 50 is connected to the facility electrical load 22 through a power line 52, and is connected to each charging device 35 of the rechargeable parking lot 32 through a power line 54. In addition, the power supply circuit 50 is connected to an external power supply 10 such as a commercial power supply, for example. The power supply circuit 50 adjusts the voltage of the power supplied from the external power supply 10 and supplies it to the facility electrical load 22 and the charging device 35.

[0017] Although not shown, the electronic control unit 60 is configured as a microcomputer centered around a CPU. The electronic control unit 60 receives the voltage Vin from a voltage sensor (not shown) installed on the external power supply 10 and the current Iin from a current sensor (not shown). The electronic control unit 60 receives the voltage Vout from a voltage sensor (not shown) installed on the facility electrical load 22 and the current Iout from a current sensor (not shown). The electronic control unit 60 receives the voltage Vcd from a voltage sensor (not shown) installed on the power line 54 connected to each charging device 35 of the rechargeable parking lot 32 and the current Icd from a current sensor (not shown), etc. In addition, a control signal to each charging device 35 of the rechargeable parking lot 32 is output from the electronic control unit 60. The electronic control unit 60 also outputs drive control signals to each relay (not shown) installed on each of the power lines 52, 54, 56 in the power supply circuit 50. The electronic control unit 60 outputs drive control signals to each power conversion device (not shown) installed and provided on each of the power lines 52, 54, 56 in the power supply circuit 50, etc.

[0018] As a vehicle that can utilize the rechargeable parking lot 32 of the parking lot 30, for example, Figure 2 the exemplified electrified vehicle 120 can be cited. The electrified vehicle 120 includes a motor 122, a converter 123, a battery 124, a charging circuit 138, a connector 139, and an electronic control unit 130.

[0019] The motor 122 is configured as a synchronous generator motor, for example. The rotor of the motor 122 is connected to a drive shaft 125 that is connected to drive wheels 128a and 128b via a differential gear 126. The motor 122 is driven by the three-phase AC power converted from the DC power from the battery 124 by the converter 123 and applied to the motor 122 by the converter 123. In addition, the battery 124 is configured as a well-known lithium-ion secondary battery or nickel-metal hydride secondary battery.

[0020] One end of the charging circuit 138 is connected to a power line connected to the battery 124, and the other end is connected to a connector 139 for connecting to the charging device 35. The charging circuit 138 has a charging relay (not shown) and can connect to the battery 124 and disconnect this connection through the charging relay.

[0021] Although not shown, the electronic control unit 130 is configured as a microcomputer centered on a CPU. The electronic control unit 130 inputs signals from various sensors via an input port. For example, the electronic control unit 130 inputs an ignition signal from the ignition switch 142. The electronic control unit 130 inputs a gear position SP from the gear position sensor 144 that detects the position of the shift lever 143. The electronic control unit 130 inputs an accelerator opening Acc from the accelerator pedal position sensor 146 that detects the depression amount of the accelerator pedal 145. The electronic control unit 130 inputs a brake position BP from the brake pedal position sensor 148 that detects the depression amount of the brake pedal 147. The electronic control unit 130 inputs a vehicle speed V from the vehicle speed sensor 149, etc. In addition, the electronic control unit 130 inputs a rotational position θ from a rotational position sensor (not shown) that detects the rotational position of the motor 122. The electronic control unit 130 inputs a battery voltage Vb from a voltage sensor (not shown) installed on the output terminal of the battery 124. The electronic control unit 130 inputs a battery current Ib from a current sensor (not shown) installed on the output terminal of the battery 124. The electronic control unit 130 inputs a charge / discharge voltage Vchg from a voltage sensor installed in the charging circuit 138. The electronic control unit 130 inputs a charge / discharge current Ichg from a current sensor installed in the charging circuit 138, etc.

[0022] The electronic control unit 130 outputs various control signals via an output port. For example, the electronic control unit 130 outputs a display control signal to the display device 150, a communication control signal to the communication device 152, and an air conditioning control signal to the air conditioning device 154. In addition, the electronic control unit 130 outputs a switching control signal for switching a switching element (not shown) to the inverter 123 for driving the motor 122. The electronic control unit 130 outputs a drive control signal to a system main relay (not shown) installed near the battery 124. The electronic control unit 130 outputs a drive control signal to a charging relay (not shown) installed in the charging circuit 138. The electronic control unit 130 communicates with a navigation system 156 that displays various information and performs route guidance. A signal line 140 for communicating with the charging device 35 when the charging device 35 is connected via the connector 139 is connected to the electronic control unit 130.

[0023] Next, the charging management process performed by the electronic control unit 60 that functions as the charging management device of the specified facility 20 configured as described above will be described. Figure 3 It is a flowchart showing an example of the charging management process executed by the electronic control unit 60. This process is repeatedly executed at regular intervals (for example, every 1 minute, every 10 minutes, every 30 minutes, every 1 hour, etc.).

[0024] When performing the charging management process, the electronic control unit 60 first obtains the operating time of the specified facility 20 (S100). The acquisition of the operating time of the specified facility 20 is preferably carried out according to weekdays, rest days, holidays, and specific days at the end of the year and the beginning of the year. Next, it is determined whether it is outside the operating time of the specified facility 20 (S110). When it is determined that it is outside the operating time of the specified facility 20, charging of the in-vehicle battery 124 is permitted through the charging device 35 of the rechargeable parking lot 32 (S120), and this process ends. On the other hand, when it is determined that it is not outside the operating time of the specified facility 20 (during the operating time), charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 is prohibited (S130), and this process ends.

[0025] Figure 4 FIG. is an explanatory diagram showing an example of the relationship between the operating time of the specified facility 20 and the power required for charging through the charging device 35. As shown in the figure, from 7:00 to 19:00 during the operating time, the power consumption of the specified facility 20 is relatively large, and from 0:00 to 7:00 and from 19:00 to 24:00 during the non-operating time, the power consumption of the specified facility 20 is relatively small. During the non-operating time, the differential power ΔW between the contract power Wc of the specified facility 20 with the external power supply 10 and the power consumption Wt of the specified facility 20 is greater than the power required for charging the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 (charging required power) Wneed. Therefore, even if charging of the in-vehicle battery 124 is permitted through the charging device 35 of the rechargeable parking lot 32 during the non-operating time, it will not exceed the contract power Wc.

[0026] The charging management device for the specified facility 20 in the embodiment described above obtains the operating time of the specified facility 20. When it is outside the operating time of the specified facility 20, the charging management device permits charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32. When it is not outside the operating time of the specified facility 20, the charging management device prohibits charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32. Thereby, it is possible to suppress the situation where the contract power Wc is exceeded when charging the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32. As a result, it is possible to make the adjustment between the power consumed by the operation of the specified facility 20 and the power required for charging through the charging device 35 more appropriate.

[0027] In the charging management device of the specified facility 20 according to the embodiment, the operating time of the specified facility 20 is obtained, and it is determined whether to allow the charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 based on whether it is outside the operating time of the specified facility 20. However, the charging management device may also obtain the weather near the specified facility 20 and predict whether the specified facility 20 will operate based on the obtained weather. The charging management device may also prohibit the charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 when it is predicted that the specified facility 20 will operate. The charging management device may also allow the charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 when it is predicted that the specified facility 20 will not operate.

[0028] In the charging management device of the specified facility 20 according to the embodiment, the operating time of the specified facility 20 is obtained, and it is determined whether to allow the charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 based on whether it is outside the operating time of the specified facility 20. However, it may also be determined whether to allow the charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 based on whether the differential power ΔW between the contract power Wc of the specified facility 20 with the external power supply 10 and the power consumption Wt of the specified facility 20 is equal to or greater than the power required for charging the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 (charging required power) Wneed. An example of the charging management process in this case is shown in Figure 5 .

[0029] In Figure 5In the charging management process, the electronic control unit 60 first inputs the power consumption Wt (S200) used in the facility electrical load 22 of the specified facility 20. The electronic control unit 60 calculates the differential power ΔW between the contract power Wc of the specified facility 20 with the external power supply 10 and the power consumption Wt of the specified facility 20 (S210). Then, it is determined whether the differential power ΔW is equal to or greater than the power required for charging (charging required power) Wneed of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 (S220). When it is determined that the differential power ΔW is equal to or greater than the charging required power Wneed, charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 is permitted (S230), and this process ends. On the other hand, when it is determined that the differential power ΔW is less than the charging required power Wneed, charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 is prohibited (S240), and this process ends. Through the charging management process of such a modification example, it is also possible to suppress the situation where the contract power Wc is exceeded when charging the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32. This can make the adjustment between the power consumed by the operation of the specified facility 20 and the power required for charging through the charging device 35 more appropriate.

[0030] In addition, it is also possible to permit charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 when it is determined that it is during the operation time of the specified facility 20 and the differential power ΔW is equal to or greater than the charging required power Wneed. An example of the charging management process in this case is shown in Figure 6 . Figure 6 For the charging management process of Figure 5 , the process of S225 for determining whether it is outside the operation time of the specified facility 20 is set between S220 and S230 of the charging management process of Figure 6The charging management process inputs the power consumption Wt (S200) used in the facility electrical load 22 of the specified facility 20, and calculates the differential power ΔW (S210). Then, it determines whether the differential power ΔW is equal to or greater than the power required for charging Wneed (S220), and also determines whether it is outside the operating time of the specified facility 20 (S225). When it is determined that the differential power ΔW is equal to or greater than the power required for charging Wneed and it is outside the operating time of the specified facility 20, charging of the in-vehicle battery 124 is allowed through the charging device 35 of the rechargeable parking lot 32 (S230), and this process ends. On the other hand, when it is determined that the differential power ΔW is less than the power required for charging Wneed or it is determined that it is within the operating time of the specified facility 20, charging of the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32 is prohibited (S240), and this process ends. In this way, it is possible to more reliably suppress the situation where the contract power Wc is exceeded when charging the in-vehicle battery 124 through the charging device 35 of the rechargeable parking lot 32. This can make the adjustment between the power consumed by the operation of the specified facility 20 and the power required for charging through the charging device 35 more appropriate.

[0031] In the charging management device of the specified facility 20 in the embodiment, as the vehicle that can utilize the rechargeable parking lot 32 of the parking lot 30, an electric vehicle 120 that travels by driving a motor 122 using the power from the battery 124 is envisioned. However, any vehicle equipped with a rechargeable battery is acceptable. It can also be, for example, a hybrid electric vehicle equipped with an engine, a motor, and a battery, a fuel cell electric vehicle equipped with a fuel cell and a battery, or other vehicles with various configurations.

[0032] The correspondence between the main elements of the embodiment and the main elements of the invention described in the "Technical Means for Solving the Problem" section will be described. In the embodiment, the battery 124 corresponds to the "battery". The charging device 35 corresponds to the "charging device". The parking space 34 corresponds to the "charging parking space". The specified facility 20 corresponds to the "specified facility". The electronic control unit 60 corresponds to the "charging management device".

[0033] In addition, the correspondence relationship between the main elements of the embodiment and the main elements of the invention described in the "Technical Means for Solving the Problem" section is an example for specifically explaining the manner in which the embodiment implements the invention described in the "Technical Means for Solving the Problem" section. It does not limit the element composition of the invention described in the "Technical Means for Solving the Problem" section. That is, the interpretation of the invention described in the "Technical Means for Solving the Problem" section should be based on the description in that section, and the embodiment is merely a specific example of the invention described in the "Technical Means for Solving the Problem" section.

[0034] As described above, the present disclosure has been described using embodiments, but the present disclosure is not limited by such embodiments in any way, and of course, it can be implemented in various ways without departing from the gist of the present disclosure.

[0035] The present disclosure can be utilized in the manufacturing industry of charging management devices for specified facilities, etc.

Claims

1. A charging management device, which is a charging management device provided with a predetermined facility of a parking space for charging, wherein the parking space for charging is provided with a charging device for charging a battery mounted on a vehicle, Obtaining the operating hours of the specified facilities, During the operation time of the predetermined facility, charging by the charging device in the charging parking space is prohibited, Outside the operation time of the prescribed facility, charging by the charging device in the charging parking space is permitted using prescribed electric power.

2. The charging management device according to claim 1, wherein: Get weather-related information, When it is predicted based on weather-related information that the predetermined facility will not operate, charging by the charging device in the charging parking space using the predetermined electric power is permitted.

3. A charging management device, which is a charging management device provided with a prescribed facility of a parking space for charging, wherein the parking space for charging is provided with a charging device for charging a battery mounted on a vehicle, Obtaining the contracted electricity and used electricity of the above-mentioned specified facilities, When the difference in power obtained by subtracting the used power from the contracted power of the predetermined facility is less than predetermined power, charging by the charging device in the charging parking space is prohibited, When the differential power is equal to or greater than the predetermined power, charging by the charging device in the charging parking space using the predetermined power is permitted.

4. The charging management device according to claim 3, wherein: Obtaining the operating hours of the specified facilities, During the non-operation time of the predetermined facility, when the differential power is equal to or greater than the predetermined power, charging by the charging device in the charging parking space is permitted.

5. The charging management device according to claim 4, wherein: When the differential power is smaller than the predetermined power, charging by the charging device in the charging parking space is permitted using power within a range of the differential power.

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