Cargo chamber temperature adjustment device of electric motor car

Abstract

To provide a cargo chamber temperature adjustment device of an electric motor car that can adjust a cargo chamber temperature while suppressing power consumption.SOLUTION: A control device 2 for controlling a cargo chamber temperature adjustment device 1 of an electric motor car that adjusts a cargo chamber temperature by using a drive battery 41, is configured to: calculate a start time of adjusting the cargo chamber temperature by using a departure time which represent a time when the electric motor car departs, a current temperature which is a current interior temperature of the cargo chamber, and a target temperature which is a target value of the interior temperature of the cargo chamber, and starts to adjust the cargo chamber temperature at the start time.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a cargo compartment temperature adjustment device for adjusting the temperature inside the cargo compartment of an electric vehicle.

Background Art

[0002] Vehicles are provided with a temperature adjustment device for adjusting the temperature inside the vehicle such as the driver's cab and the cargo compartment. For example, Patent Document 1 discloses a refrigerated vehicle that cools a cabin (driver's cab) and a refrigerated compartment (cargo compartment) using an engine.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] When using the output of the engine for temperature adjustment of the cargo compartment as in Patent Document 1, for example, when the key is turned off and the engine is stopped after the operation is completed, the temperature adjustment of the cargo compartment stops.

[0005] In such a case, at the start of the next operation, it is necessary to load the cargo into the cargo compartment and adjust the temperature of the cargo compartment to an appropriate temperature before starting the travel. Therefore, there is a risk that it will take time until the actual start of travel.

[0006] By the way, in recent years, electric vehicles using the power of a drive battery as a drive source have been developed. Also in this electric vehicle, the inside of the cargo compartment is cooled.

[0007] For example, when an engine is used for cooling a cabin, a refrigerator compartment, etc. as in Patent Document 1, when the driver turns off the key and gets out of the vehicle, the cooling of the cabin, the refrigerator compartment, etc. stops due to the engine stop. Also in an electric vehicle, similar to an engine vehicle, when the key is turned off at the end of vehicle operation, etc., power supply from the drive battery to the temperature adjustment device of the luggage compartment may not be performed, and it is considered that the temperature adjustment of the luggage compartment is not performed.

[0008] On the other hand, if power supply from the drive battery to the temperature adjustment device of the luggage compartment continues in the key-off state, there is a risk that power will be consumed and the vehicle may not be able to run at the start of operation.

[0009] Therefore, one of the objects of the present invention is to provide a luggage compartment temperature adjustment device for an electric vehicle that can adjust the temperature of the luggage compartment while suppressing power consumption.

Means for Solving the Problems

[0010] This case was made to solve at least a part of the above problems and can be realized as the following aspects or application examples.

[0011] The luggage compartment temperature adjustment device for an electric vehicle according to this application example is a luggage compartment temperature adjustment device for an electric vehicle that adjusts the temperature of the luggage compartment using a temperature regulator that operates with power from a drive battery, and includes a control device that controls the temperature regulator. The control device calculates the start time of the temperature adjustment of the luggage compartment using the departure time indicating the departure time of the electric vehicle, the current temperature which is the current temperature inside the luggage compartment, and the target temperature which is the target value of the temperature inside the luggage compartment, and starts the temperature adjustment of the luggage compartment using the temperature regulator at the start time. According to this application example, by starting the temperature adjustment of the luggage compartment using the temperature regulator at the calculated start time, the luggage compartment can be efficiently set to the target temperature at the departure time, and the standby time for the temperature adjustment of the luggage compartment can be shortened.

Effects of the Invention

[0012] According to this, the cargo compartment can be efficiently set to the target temperature at the departure time, and the waiting time for temperature adjustment of the cargo compartment can be shortened.

Brief Description of the Drawings

[0013]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Embodiments for Carrying Out the Invention

[0014] With reference to the drawings, embodiments of this will be described. The following embodiments are merely examples, and there is no intention to exclude various modifications and applications of technologies not explicitly stated in these embodiments. Each configuration of the following embodiments can be implemented with various modifications without departing from their gist. Also, they can be selected as necessary, or combined as appropriate. [1. Configuration] FIG. 1 is a block diagram for explaining a temperature adjustment device 1 according to this application example.

[0015] The temperature adjustment device 1 is applied to an electric vehicle of a truck that uses electric power as a drive source, and is a device for adjusting the temperature inside a room such as a driver's cab or a cargo compartment (cargo box) behind the driver's cab of this electric vehicle. The temperature adjustment device 1 is an example of a cargo compartment temperature adjustment device for an electric vehicle that adjusts the temperature of the cargo compartment using a refrigerator 52 and a cab air conditioner 72 (hereinafter also referred to as cab air conditioner 72) that operate with electric power from a high-voltage battery 41 (drive battery).

[0016] The temperature adjustment device 1 realizes, for example, a preconditioning function of adjusting the temperature inside the cargo compartment and the temperature inside the driver's cab (cab) to a preset set temperature in accordance with a specified departure time. Further, the preconditioning function may include a pre-charge function of fully charging the high-voltage battery 41 in accordance with the departure time.

[0017] Hereinafter, the electric vehicle may be referred to as a vehicle. In the example shown below, an example of a refrigerated truck equipped with a refrigerator 52 is shown for an electric vehicle of a truck. Therefore, it is assumed that the cargo compartment and the refrigerator are synonymous.

[0018] As shown in FIG. 1, the temperature adjustment device 1 includes a vehicle control ECU (Electric Control Unit) 2, a drive battery unit 4, a refrigerator unit 5, an ePTO (electric Power Take Off) 6, a cab air conditioner unit 7, a temperature sensor group 8, a preconditioning execution switch 9, an input device 31, and a telematics in-vehicle device 32. Note that the solid arrows in FIG. 1 indicate the flow of signals and information, and the broken arrows indicate the flow of electric power.

[0019] The temperature adjustment device 1 is a device that controls the refrigerator 52 of the refrigerator unit 5 and the cab air conditioner 72 of the cab air conditioner unit 7 to adjust the temperature inside the electric vehicle.

[0020] The drive battery unit 4 has a high-voltage battery 41, a charging system ECU 43, and a battery heater 42, and supplies the electric power output from the high-voltage battery 41 to each of the refrigerator unit 5, the cab air conditioner unit 7, and the ePTO 6. The high-voltage battery 41 is an example of a drive battery for driving the refrigerator unit 5, the cab air conditioner unit 7, and the ePTO 6 respectively. The charging system ECU 43 performs control for charging the high-voltage battery 41.

[0021] The battery heater 42 operates with the electric power supplied from the high-voltage battery 41, and warms the high-voltage battery 41 so as to reach a preset temperature (battery set temperature). The battery heater 42 is an example of a battery temperature adjustment device that adjusts the temperature of the high-voltage battery 41 (drive battery).

[0022] By warming the high-voltage battery 41 to the battery set temperature by the battery heater 42, it is possible to suppress the performance degradation of the high-voltage battery 41 even in a low-temperature environment in a cold region or the like. The operation of the battery heater 42 may be controlled by the vehicle control ECU 2.

[0023] In addition, a temperature sensor (not shown) for measuring the temperature of the high-voltage battery 41 is attached to the drive battery unit 4, and the drive battery unit 4 transmits the measured temperature of the high-voltage battery 41 to the vehicle control ECU 2. The drive battery unit 4 may periodically transmit the temperature of the high-voltage battery 41 to the vehicle control ECU 2, or may transmit the temperature of the high-voltage battery 41 to the vehicle control ECU 2 in response to a request from the vehicle control ECU 2.

[0024] The high-voltage battery 41 may be provided with a contactor (not shown). The contactor is an example of a switching device. When set to the closed state, the power output from the high-voltage battery 41 is supplied to each of the refrigerator unit 5, ePTO 6, and cab air conditioner unit 7. Also, when the contactor is set to the open state, the supply of power output from the high-voltage battery 41 to the refrigerator unit 5, ePTO 6, and cab air conditioner unit 7 is cut off. The opening and closing of the contactor are controlled by the vehicle control ECU 2. Simply put, the vehicle control ECU 2 controls the opening and closing of the contactor to control the power supply from the high-voltage battery 41, which is referred to as controlling the high-voltage battery 41. The high-voltage battery 41 is woken up (started) and shut down (ended) by the vehicle control ECU 2.

[0025] The refrigerator unit 5 includes a refrigerator ECU 51 and a refrigerator 52, and the power supplied to the refrigerator unit 5 is supplied to the refrigerator ECU 51 and the refrigerator 52. The cab air conditioner unit 7 includes a cab air conditioner ECU 71 and a cab air conditioner 72, and the power supplied to the cab air conditioner unit 7 is supplied to the cab air conditioner ECU 71 and the cab air conditioner 72.

[0026] The refrigerator ECU 51 controls the operation of the refrigerator 52 to perform temperature control in the cargo compartment, etc. The refrigerator 52 is a device that cools the cargo compartment of the vehicle and is an example of a temperature regulator that adjusts the temperature in the cargo compartment. The refrigerator 52 operates with power from the high-voltage battery 41.

[0027] The ePTO 6 is a device that extracts the power of the vehicle's driving motor and supplies the extracted power to, for example, the refrigerator 52. The refrigerator 52 uses the power supplied from the ePTO 6 to operate, for example, a compressor (not shown) to compress the refrigerant gas, and cools the cargo compartment using the temperature change of the gas accompanying this compression.

[0028] The cab air conditioner ECU 71 controls the operation of the cab air conditioner 72 to perform temperature control in the driver's cab and the like. The cab air conditioner 72 is an example of a cab temperature adjustment device that adjusts the temperature of the driver's cab (cab) of the vehicle. The cab air conditioner 72 may also be referred to as the air conditioner for the driver's cab. The cab air conditioner 72 operates on electric power from the high-voltage battery 41.

[0029] The temperature sensor group 8 includes a plurality of temperature sensors 81 to 84 that measure temperatures related to the vehicle. The temperature sensor 81 (outside air temperature measurement device) measures the outside air temperature (ambient air temperature) around the vehicle. The temperature sensor 82 measures the temperature of the high-voltage battery 41 (high-voltage battery temperature). The temperature sensor 83 measures the temperature inside the driver's cab (temperature inside the cab). The temperature sensor 84 measures the temperature inside the refrigerator (temperature inside the refrigerator).

[0030] The temperature sensors 81 to 84 transmit the measured temperature values to the vehicle control ECU 2 respectively. Each of the temperature sensors 81 to 84 may transmit the measured temperature value to the vehicle control ECU 2 periodically, or may transmit the measured temperature value to the vehicle control ECU 2 in response to a request from the vehicle control ECU 2 (temperature measurement unit 12).

[0031] The preconditioning execution switch 9 is a switch for controlling the activation / deactivation of the preconditioning function and is arbitrarily operated by the driver or the like. When the driver or the like wants to execute the preconditioning function, the preconditioning execution switch 9 is set to on. Also, when the driver or the like does not want to execute the preconditioning function, the driver or the like sets the preconditioning execution switch 9 to off. The setting state of the preconditioning execution switch 9 is notified to the vehicle control ECU 2.

[0032] The input device 31 is a device for the driver or the like to input various information. For example, the driver or the like may set the on / off of the preconditioning execution switch 9 via the input device 31. When executing the preconditioning function, the driver or the like sets the preconditioning execution switch 9 to on via the input device 31.

[0033] Also, when the driver or the like executes the preconditioning function, for example, the departure time, the set temperature inside the cab, and the set temperature of the refrigerator are input via the input device 31. The set temperature of the refrigerator is an example of the target temperature which is the target value of the temperature inside the cargo compartment.

[0034] The departure time represents the time when the vehicle (electric vehicle) departs. The driver may input the departure time as the departure time, or may also input the time until the departure time (remaining time). For example, consider the case where an input operation is performed at AM0:00 and the departure time is AM6:00. In such a case, the driver or the like may input the departure time "AM6:00" as the departure time, or may also input "6 hours" which is the remaining time until the departure time. Also, the input of the departure time is not limited to these and can be appropriately changed and implemented.

[0035] The input device 31 may have, for example, a keyboard, or the input device 31 may have a touch panel display in which the display and the keyboard are integrated. The driver or the like may input the departure time, the set temperature inside the cab, and the set temperature of the refrigerator using the keyboard of the input device 31. An operation switch for adjusting the set temperature of the cab air conditioner 72 provided in the driver's cab may realize at least some functions of the input device 31.

[0036] Each value input from the input device 31 is transmitted to the vehicle control ECU 2 and stored in a predetermined storage area of the memory or the like.

[0037] The in-vehicle telematics device 32 is an in-vehicle device for connecting to a telematics system that provides services to a moving body using a communication system. The in-vehicle telematics device 32 has a wireless communication function and is wirelessly connected to a known telematics system. The in-vehicle telematics device 32 is an example of a wireless communication device capable of wireless communication with the outside of the vehicle (electric vehicle).

[0038] A terminal device 33 is wirelessly connected to the in-vehicle telematics device 32. The terminal device 33 is an electronic device used by a driver or the like, and may be, for example, a mobile communication device such as a smartphone or a mobile phone. The driver or the like may input information such as the departure time, the set temperature inside the cab, and the set temperature of the refrigerator via this terminal device 33 instead of the input device 31.

[0039] Also, the driver or the like may perform an on / off setting input of the preconditioning execution switch 9 via the terminal device 33 and the in-vehicle telematics device 32.

[0040] Each value input from the terminal device 33 is transmitted to the vehicle control ECU 2 and stored in a predetermined storage area of the memory or the like.

[0041] The vehicle control ECU 2 controls the temperature adjustment device 1 by controlling the drive battery unit 4, the refrigerator ECU 51, the ePTO 6, and the cab air conditioner ECU 71. The vehicle control ECU 2 is an example of a control device that controls temperature regulators such as the refrigerator 52 and the cab air conditioner 72.

[0042] As shown in FIG. 1, the vehicle control ECU 2 has functions as a charge determination unit 11, a temperature measurement unit 12, a calculation unit 13, and a temperature adjustment control unit 14.

[0043] The charging determination unit 11 determines whether the high-voltage battery 41 (driving battery) is being charged. For example, when a charging gun (charging connector), not shown, is connected to a charging port (charging socket) of a vehicle, not shown, and charging power is being supplied to the high-voltage battery 41, the charging determination unit 11 may determine that the high-voltage battery 41 is being charged. When the high-voltage battery 41 is being charged, the charging determination unit 11 may store information indicating that the high-voltage battery 41 is being charged in a predetermined storage area of a memory, not shown. The information indicating that the high-voltage battery 41 is being charged may be a flag.

[0044] The temperature measurement unit 12 measures the temperature related to the vehicle using the temperature sensor group 8 (temperature sensors 81 to 84). The temperature measurement unit 12 measures the outside air temperature (ambient temperature) around the vehicle using the temperature sensor 81, and measures the temperature of the high-voltage battery 41 (high-voltage battery temperature) using the temperature sensor 82. Further, the temperature measurement unit 12 measures the temperature inside the cab (cab temperature) using the temperature sensor 83, and measures the temperature inside the refrigerator (refrigerator temperature) using the temperature sensor 84. The temperature measurement unit 12 may store each measured temperature in a predetermined storage area of a memory.

[0045] The calculation unit 13 calculates a cooling start time at which to start cooling for temperature adjustment inside the refrigerator (cargo compartment) of the refrigerator 52 so that the temperature inside the refrigerator becomes the refrigerator set temperature at the departure time. For convenience, the time point at which the calculation unit 13 starts calculating the cooling start time may be referred to as the present. The cooling start time may be referred to as the wake-up time. The cooling start time (wake-up time) is an example of the start time of temperature adjustment of the refrigerator (cargo compartment).

[0046] The calculation unit 13 acquires the departure time. For example, when the departure time is input as the departure time from the input device 31 or the terminal device 33, the input departure time is acquired. Also, when the time until the departure time is input as the departure time from the input device 31 or the terminal device 33, the calculation unit 13 calculates the departure time by adding the time input at the time of the input (input time).

[0047] The calculation unit 13 calculates, for example, the time T1 required to cool the inside of the refrigerator and the power consumption W1 for cooling the inside of the refrigerator based on conditions such as the outside air temperature, the set temperature of the refrigerator, the temperature inside the refrigerator, the internal volume of the refrigerator, and the refrigeration performance of the refrigerator 52. act and the power W1 for keeping the cooled temperature inside the refrigerator. keep are obtained.

[0048] FIG. 2 is a diagram illustrating the time T1 required to cool the inside of the refrigerator in the temperature adjustment device 1 according to the present application example.

[0049] In the example shown in this FIG. 2, the relationship between the difference between the set temperature of the refrigerator and the temperature inside the refrigerator and the time T1 required to cool the inside of the refrigerator is shown in a graph. Here, the time T1 required to cool the inside of the refrigerator represents the time required to cool the inside of the refrigerator at the current temperature to the set temperature of the refrigerator, and the power consumption W1 for cooling the inside of the refrigerator act represents the power used to cool the inside of the refrigerator to the set temperature of the refrigerator.

[0050] Also, in FIG. 2, graphs for each of the outside air temperatures of -10°C, 0°C, 10°C, 20°C, and 30°C are shown.

[0051] The graph showing the relationship between the difference between the set temperature of the refrigerator and the temperature inside the refrigerator and the time T1 required to cool the inside of the refrigerator illustrated in this FIG. 2 may be created based on tests and simulations performed in advance.

[0052] The calculation unit 13 may obtain the time T1 required to cool the inside of the refrigerator to the set temperature of the refrigerator by referring to the graph illustrated in FIG. 2 based on the set temperature of the refrigerator, the measured outside air temperature, and the temperature inside the refrigerator. The temperature inside the refrigerator is an example of the current temperature, which is the current internal temperature of the refrigerator (storage compartment).

[0053] In addition, in the temperature adjustment device 1, instead of the graph illustrated in FIG. 2, a formula for calculating the time T1 required to cool the inside of the refrigerator to the set temperature of the refrigerator based on at least one or more values of the outside air temperature, the set temperature of the refrigerator, the temperature inside the refrigerator, the capacity inside the refrigerator, and the refrigerating performance of the refrigerator 52 may be stored. The calculation unit 13 may calculate the time T1 required to cool the inside of the refrigerator to the set temperature of the refrigerator using this formula.

[0054] The calculation unit 13 may store the acquired time T1 required to cool the inside of the refrigerator to the set temperature of the refrigerator in a predetermined storage area of the memory or the like.

[0055] Power consumption W1 for cooling the inside of the refrigerator act is the value of the power used by the refrigerator 52. The power consumption W1 for cooling the inside of the refrigerator act may be a value representing the performance of the refrigerator 52. For example, catalog values or the like representing the performance of the refrigerator 52 may be stored in advance in a predetermined storage area of the memory or the like, and the calculation unit 13 may acquire the power consumption W1 for cooling the inside of the refrigerator stored in advance act by reading it out.

[0056] FIG. 3 is a diagram illustrating the power W1 for keeping the temperature inside the cooled refrigerator in the temperature adjustment device 1 according to the present application example. keep is a diagram for exemplifying.

[0057] In the example shown in this FIG. 3, the relationship between the set temperature of the refrigerator and the power W1 for keeping the temperature inside the cooled refrigerator keep is shown in a graph. Further, in this FIG. 3, graphs for each of the outside air temperatures of -10°C, 0°C, 10°C, 20°C, and 30°C are shown.

[0058] The graph exemplifying in this FIG. 3 showing the relationship between the set temperature of the refrigerator and the power W1 for keeping the temperature inside the cooled refrigerator keep may be created based on tests and simulations performed in advance.

[0059] The calculation unit 13 may obtain the power W1 for keeping the temperature inside the cooled refrigerator by referring to the graph illustrated in FIG. 3 based on the set temperature of the refrigerator and the measured outside air temperature. keep

[0060] Further, in the temperature adjustment device 1, instead of the graph illustrated in FIG. 3, the power W1 for keeping the temperature inside the cooled refrigerator, which is created based on at least one or more values among the outside air temperature, the set temperature of the refrigerator, the temperature inside the refrigerator, the capacity inside the refrigerator, and the refrigerating performance of the refrigerator 52, keep may be stored as an equation. The calculation unit 13 may calculate the power W1 for keeping the temperature inside the cooled refrigerator using this equation. keep

[0061] The calculation unit 13 may store the obtained power W1 for keeping the temperature inside the cooled refrigerator in a predetermined storage area of the memory or the like. keep

[0062] Further, the calculation unit 13 may determine, based on conditions such as the outside air temperature, the high-voltage battery temperature, and the performance of the battery heater 42, the time T2 for warming the high-voltage battery, the power consumption W2 for warming the high-voltage battery 41, act and the power W2 for keeping the temperature of the warmed high-voltage battery. keep

[0063] FIG. 4 is a diagram illustrating the time T2 for warming the high-voltage battery in the temperature adjustment device 1 according to the present application example.

[0064] In the example shown in this FIG. 4, the relationship between the high-voltage battery temperature and the time T2 for warming the high-voltage battery is shown in a graph. Here, the time T2 for warming the high-voltage battery represents the time required to warm the current high-voltage battery until it reaches a predetermined temperature. The target temperature when warming the high-voltage battery 41 may be referred to as the battery set temperature.

[0065] Further, in FIG. 4, graphs for each of the outside air temperatures of -10°C, 0°C, 10°C, 20°C, and 30°C are shown.​​​​

[0066] The graph showing the relationship between the high-voltage battery temperature and the time T2 for warming the high-voltage battery, illustrated in FIG. 4, may be created based on previously conducted tests or simulations.

[0067] The calculation unit 13 may obtain the time T2 for warming the high-voltage battery by referring to the graph illustrated in FIG. 4 based on the measured temperature of the high-voltage battery 41.

[0068] Further, in the temperature adjustment device 1, instead of the graph illustrated in FIG. 4, an equation for calculating the time T2 for warming the high-voltage battery created based on at least one or more values of the outside air temperature, the refrigerator set temperature, the refrigerator internal temperature, the refrigerator internal volume, and the refrigeration performance of the refrigerator 52 may be stored. The calculation unit 13 may calculate the time T2 for warming the high-voltage battery using this equation.

[0069] The calculation unit 13 may store the obtained time T2 for warming the high-voltage battery in a predetermined storage area of the memory or the like.

[0070] The power consumption W2 for warming the high-voltage battery 41 act is the value of the power used by the battery heater 42. The power consumption W2 for warming the high-voltage battery 41 act may be a value representing the performance of the battery heater 42. For example, a catalog value or the like representing the performance of the battery heater 42 may be stored in advance in a predetermined storage area of the memory or the like, and the calculation unit 13 may obtain it by reading out this power consumption W2 for warming the high-voltage battery stored in advance. act by reading it out.

[0071] FIG. 5 is a diagram illustrating the power W2 for keeping the temperature of the warmed high-voltage battery in the temperature adjustment device 1 according to this application example. keep is a diagram for exemplification.

[0072] In the example shown in this FIG. 5, the outside air temperature and the power W2 for keeping the temperature of the warmed high-voltage battery keepThe relationship with is shown in a graph.

[0073] The graph showing the relationship between the outside air temperature and the power W2 for keeping the temperature of the warmed high-voltage battery exemplified in FIG. 5 keep may be created based on the tests and simulations conducted beforehand.

[0074] The calculation unit 13 may obtain the power W2 for keeping the temperature of the warmed high-voltage battery by referring to the graph exemplified in FIG. 5 based on the measured outside air temperature. keep

[0075] Further, in the temperature adjustment device 1, instead of the graph exemplified in FIG. 5, the power W2 for keeping the temperature of the warmed high-voltage battery created based on at least one or more values of the outside air temperature, the refrigerator set temperature, the refrigerator internal temperature, the refrigerator internal volume, and the refrigeration performance of the refrigerator 52 keep may be stored. The calculation unit 13 may calculate the power W2 for keeping the temperature of the warmed high-voltage battery using this formula. keep

[0076] The calculation unit 13 may store the obtained power W2 for keeping the temperature of the warmed high-voltage battery in a predetermined storage area of the memory or the like. keep

[0077] Further, the calculation unit 13, for example, based on conditions such as the outside air temperature, the cab internal temperature, the performance of the battery heater 42, the cab internal set temperature, the performance of the cab air conditioner 72, etc., determines the time T3 for setting the cab to an appropriate temperature and the power consumption W3 for setting the cab to an appropriate temperature act and the power W3 for keeping the cab at an appropriate temperature. keep

[0078] FIG. 6 is a diagram exemplifying the time T3 for setting the cab inside the temperature adjustment device 1 according to this application example to an appropriate temperature.

[0079] ​​​​In the example shown in this Figure 6, the relationship between the difference between the set temperature inside the cab and the temperature inside the cab and the time T3 required to bring the temperature inside the cab to an appropriate temperature is shown in a graph. Here, the time T3 required to bring the temperature inside the cab to an appropriate temperature represents the time required to warm the current temperature inside the cab until it reaches, for example, a predefined target temperature. The appropriate temperature inside the cab may be the set temperature inside the cab.

[0080] Also, in Figure 6, graphs for each of the outside air temperatures of -10°C, 0°C, 10°C, 20°C, and 30°C are shown.

[0081] The graph showing the relationship between the difference between the set temperature inside the cab and the temperature inside the cab and the time T3 required to bring the temperature inside the cab to an appropriate temperature, as illustrated in this Figure 6, may be created based on previously conducted tests or simulations.

[0082] The calculation unit 13 may obtain the time T3 required to bring the temperature inside the cab to an appropriate temperature by referring to the graph illustrated in Figure 6 based on the measured difference between the set temperature inside the cab and the temperature inside the cab.

[0083] Also, in the temperature adjustment device 1, instead of the graph illustrated in Figure 6, a formula for calculating the time T3 required to bring the temperature inside the cab to an appropriate temperature, created based on at least one or more values of the outside air temperature, the set temperature of the refrigerator, the temperature inside the refrigerator, the capacity inside the refrigerator, and the refrigeration performance of the refrigerator 52, may be stored. The calculation unit 13 may calculate the time T3 required to bring the temperature inside the cab to an appropriate temperature using this formula.

[0084] The calculation unit 13 may store the obtained time T3 required to bring the temperature inside the cab to an appropriate temperature in a predetermined storage area of the memory or the like.

[0085] The power consumption W3 for bringing the temperature inside the cab to an appropriate temperature act is the value of the power used by the cab air conditioner 72. The power consumption W3 for bringing the temperature inside the cab to an appropriate temperature actmay be a value representing the performance of the cab air conditioner 72. For example, catalog values or the like representing the performance of the cab air conditioner 72 may be stored in advance in a predetermined storage area of the memory or the like, and the calculation unit 13 may obtain the power consumption W3 for setting the inside of the cab to an appropriate temperature by reading this prestored value. act

[0086] FIG. 7 is a diagram illustrating the power W3 for keeping the inside of the cab at an appropriate temperature in the temperature adjustment device 1 according to the present application example. keep

[0087] In the example shown in FIG. 7, the relationship between the set temperature inside the cab and the power W3 for keeping the inside of the cab at an appropriate temperature is shown in a graph. keep

[0088] The graph illustrating the relationship between the set temperature inside the cab and the power W3 for keeping the inside of the cab at an appropriate temperature shown in FIG. 7 may be created based on tests or simulations performed in advance. keep

[0089] The calculation unit 13 may obtain the power W3 for keeping the inside of the cab at an appropriate temperature by referring to the graph illustrated in FIG. 7 based on the set temperature inside the cab. keep

[0090] Further, in the temperature adjustment device 1, instead of the graph illustrated in FIG. 7, a formula for calculating the power W3 for keeping the inside of the cab at an appropriate temperature based on at least one or more of the values of the outside air temperature, the freezer set temperature, the freezer internal temperature, the freezer internal volume, and the refrigeration performance of the refrigerator 52 may be stored. The calculation unit 13 may calculate the power W3 for keeping the inside of the cab at an appropriate temperature using this formula. keep keep

[0091] ​​​​​​​Further, the calculation unit 13 acquires the chargeable power amount P. The chargeable power amount P is a value representing the charging performance of the high-voltage battery 41, and may be, for example, the chargeable power amount of the high-voltage battery 41. For example, the calculation unit 13 calculates the chargeable power amount P from the charge power amount stored in advance in a predetermined storage area of the memory, such as a catalog value representing the performance of the high-voltage battery 41, and the value received as the chargeable power from the charger.

[0092] The calculation unit 13 may store the acquired chargeable power amount P in a predetermined storage area of the memory or the like.

[0093] FIG. 8 is a diagram showing the transition of power by pre-charge and the battery capacity SOC (State Of Charge) in the temperature adjustment device 1 according to the present application example.

[0094] In this FIG. 8, the relationship between the power consumption and the charging power and the elapsed time (see reference sign P1) is shown, and the relationship between the battery capacity SOC of the high-voltage battery 41 and the elapsed time (see reference sign P2) is shown.

[0095] In this FIG. 8, the time T1 required to cool the inside of the refrigerator, the power consumption W1 required to cool the inside of the refrigerator, act the power W1 required to keep the cooled temperature inside the refrigerator, keep the time T2 to warm the high-voltage battery, the power consumption W2 required to warm the high-voltage battery 41, act the power W2 required to keep the warmed temperature of the high-voltage battery, keep the time T3 to set the temperature inside the cab to an appropriate temperature, the power consumption W3 required to set the temperature inside the cab to an appropriate temperature, act and the power W3 required to keep the temperature inside the cab at an appropriate temperature keep are shown.

[0096] Here, the following power amount formula (1) holds.

[0097] W1 act ×T1 + W1 keep ×(T wakeup - T1) + W2 act×T2 + W2 keep ×(T wakeup - T2) + W3 act ×T3 + W3 keep ×(T wakeup - T3) = P×T wakeup ···(1)

[0098] In Equation (1), the wake-up time T wakeup represents the time required for temperature adjustment in the cab and the refrigerator by the preconditioning function, and represents the time from the start of temperature adjustment in the cab and the refrigerator to the departure time.

[0099] W1 act ×T1 represents the amount of power required to cool the inside of the refrigerator to the set temperature of the refrigerator. Also, W1 keep ×(T wakeup - T1) represents the amount of power required to maintain the inside of the refrigerator at the set temperature of the refrigerator from after the inside of the refrigerator has cooled to the set temperature of the refrigerator until the departure time.

[0100] W2 act ×T2 represents the amount of power required to warm the high-voltage battery 41 to the set temperature of the battery. Also, W2 keep ×(T wakeup - T2) represents the amount of power required to maintain the high-voltage battery 41 at the set temperature of the battery from after the high-voltage battery 41 has been warmed to the set temperature of the battery until the departure time.

[0101] W3 act ×T3 represents the amount of power required for the temperature inside the cab to reach the set temperature inside the cab. Also, W3 keep ×(T wakeup - T3) represents the amount of power required to maintain the temperature inside the cab at the set temperature inside the cab from after the temperature inside the cab has reached the set temperature inside the cab until the departure time.

[0102] P×T wakeup represents, in the vehicle, the period (T wakeup) represents the amount of power output by the high-voltage battery 41.

[0103] By transforming the above formula (1), the formula (2) for calculating the wake-up time T wakeup can be obtained.

[0104] T wakeup ={T1(W1 act +W1 keep )+T2(W2 act +W2 keep )+T3(W3 act +W3 keep )} / (P-W1 keep -W2 keep -W3 keep ) ···(2)

[0105] The calculation unit 13 calculates the value of T wakeup using this formula (2). The calculation unit 13 may store the calculated value of T wakeup in a predetermined storage area of the memory or the like.

[0106] Each value used for calculating the wake-up time T wakeup is a value obtained when the power of the high-voltage battery 41 is used efficiently (without waste) for cooling in the refrigerator and maintaining the cooled temperature in the refrigerator, adjusting the temperature in the driver's cab and maintaining the adjusted indoor temperature, and warming the high-voltage battery 41 and maintaining the temperature of the warmed high-voltage battery 41.

[0107] Also, the calculation unit 13 calculates the wake-up time by subtracting the wake-up time T wakeup from the departure time. The wake-up time can be referred to as the charging start time. The wake-up time represents the time when the temperature adjustment in the cab and the refrigerator is started by the preconditioning function, and is an example of the start time of the temperature adjustment of the refrigerator (cargo compartment).

[0108] The temperature adjustment control unit 14 performs temperature adjustment of the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41.

[0109] The temperature adjustment control unit 14 causes, for example, the refrigerator ECU 51 to adjust the temperature inside the refrigerator. At the wake-up time (charging start time), the temperature adjustment control unit 14 wakes up the ePTO 6 and the refrigerator ECU 51, and causes the refrigerator ECU 51 to start cooling (temperature adjustment) the inside of the refrigerator to the set temperature of the refrigerator for the refrigerator 52. Since the ePTO 6 wakes up, power is supplied from the ePTO 6 to the refrigerator unit 5.

[0110] Also, the temperature adjustment control unit 14 causes the cab air conditioner ECU 71 to adjust the temperature inside the cab (driver's cab). The temperature adjustment control unit 14 wakes up the cab air conditioner ECU 71 before time T at the departure time, and causes the cab air conditioner ECU 71 to start temperature adjustment of the inside of the cab to the set temperature inside the cab for the cab air conditioner 72. wakeup Before time T at the departure time, the cab air conditioner ECU 71 is woken up, and the cab air conditioner ECU 71 is caused to start temperature adjustment of the inside of the cab to the set temperature inside the cab for the cab air conditioner 72.

[0111] In this way, the vehicle control ECU 2 wakes up the refrigerator ECU 51, ePTO 6, cab air conditioner ECU 71, etc. before time T at the departure time, and cools the inside of the refrigerator to the set temperature inside the refrigerator by the departure time. wakeup Before time T at the departure time, the refrigerator ECU 51, ePTO 6, cab air conditioner ECU 71, etc. are woken up, and the inside of the refrigerator is cooled to the set temperature inside the refrigerator by the departure time.

[0112] Also, the temperature adjustment control unit 14 causes the battery heater 42 to adjust the temperature of the high-voltage battery 41. The battery temperature adjustment 16 starts warming the high-voltage battery 41 so that the high-voltage battery 41 reaches the battery set temperature before time T at the departure time for the battery heater 42. wakeup Before time T at the departure time, warming of the high-voltage battery 41 is started so that the high-voltage battery 41 reaches the battery set temperature for the battery heater 42.

[0113] Furthermore, the vehicle control ECU 2 causes the charging system ECU 43 to fully charge the high-voltage battery 41 until its battery capacity SOC reaches 100%.

[0114] [2. Control] FIG. 9 is a flowchart for explaining a control example in the temperature adjustment device 1 of FIG. 1.

[0115] The process shown in the flowchart of FIG. 9 may be started, for example, when the preconditioning execution switch 9 in the vehicle is turned on.

[0116] The driver or the like sets the preconditioning execution switch 9 using the input device 31 or the terminal device 33. When the driver or the like executes the preconditioning function of the refrigerator 52, the preconditioning execution switch 9 is set to on.

[0117] In addition, the driver or the like who has set the preconditioning execution switch 9 to on inputs the departure time using the input device 31 or the terminal device 33.

[0118] The driver or the like inserts the charging gun into the charging port of the vehicle to charge the high-voltage battery 41. The driver or the like may leave the vehicle while the charging gun is inserted into the charging port.

[0119] In step S1, the vehicle control ECU 2 collects various information in the vehicle. For example, the temperature measurement unit 12 measures the temperature related to the vehicle using the temperature sensor group 8. The temperature measurement unit 12 measures the outside air temperature (ambient temperature) around the vehicle using the temperature sensor 81 and the temperature of the high-voltage battery 41 (high-voltage battery temperature) using the temperature sensor 82. In addition, the temperature measurement unit 12 measures the temperature in the driver's cab (temperature in the cab) using the temperature sensor 83 and the temperature in the refrigerator (temperature in the refrigerator) using the temperature sensor 84.

[0120] In addition, the vehicle control ECU 2 acquires the departure time, the set temperature in the cab, and the set temperature in the refrigerator from the input device 31 or the telematics in-vehicle device 32.

[0121] In step S2, the calculation unit 13 calculates the wake-up time. Specifically, the calculation unit 13 first calculates the time T1 required to cool the inside of the refrigerator and the power W1 required to keep the cooled temperature inside the refrigerator keep , the time T2 to warm the high-voltage battery, and the power W2 required to keep the warmed high-voltage battery temperature keep, the time T3 to set the temperature inside the cab to an appropriate temperature, and the power W3 to keep the temperature inside the cab appropriate keep Each of them is acquired.

[0122] Also, the calculation unit 13 calculates the power consumption W1 for cooling the inside of the refrigerator act , the power consumption W2 for warming the high-voltage battery 41 act and the power consumption W3 for setting the temperature inside the cab to an appropriate temperature act are acquired.

[0123] Then, the calculation unit 13 uses these acquired values to calculate the wake-up time T wakeup based on the above-described formula (2).

[0124] The calculation unit 13 subtracts the wake-up time T wakeup from the departure time to calculate the wake-up time. In step S3, the temperature adjustment control unit 14 checks whether the wake-up time has arrived. If the wake-up time has not arrived (NO in step S3), step S3 is repeated to wait until the wake-up time arrives. When the wake-up time arrives (YES in step S3), the process proceeds to step S4.

[0125] In step S4, the charging determination unit 11 determines whether the high-voltage battery 41 is being charged. If the high-voltage battery 41 is not being charged (NO in step S4), in step S5, the vehicle control ECU 2 outputs an instruction to the driver or the like to insert the charging gun into the charging port of the vehicle.

[0126] This instruction may, for example, cause a message indicating that the charging gun should be inserted into the charging port of the vehicle to be displayed on a display device (not shown). Also, the vehicle control ECU 2 may output a voice representing that the charging gun should be inserted into the charging port of the vehicle using a speaker (not shown). Then, the process returns to step S4.

[0127] On the other hand, when the high-voltage battery 41 is being charged (YES in step S4), the temperature adjustment control unit 14 starts adjusting the temperatures of the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41 in step S6. That is, the temperature adjustment control unit 14 wakes up the refrigerator ECU 51 and causes the refrigerator ECU 51 to adjust the temperature inside the refrigerator to the set temperature of the refrigerator.

[0128] Also, the temperature adjustment control unit 14 wakes up the ePTO 6 and the refrigerator ECU 51, and causes the refrigerator ECU 51 to start cooling the inside of the refrigerator to the set temperature of the refrigerator with the refrigerator 52.

[0129] Furthermore, the temperature adjustment control unit 14 wakes up the cab air conditioner ECU 71, and causes the cab air conditioner ECU 71 to start adjusting the temperature inside the driver's cab to the set temperature inside the cab with the cab air conditioner 72.

[0130] In step S7, the temperature adjustment control unit 14 checks whether it is the departure time. If it is before the departure time (NO in step S7), the process returns to step S6, and the temperature adjustment control unit 14 continues to cool the refrigerator with the refrigerator 52 and adjust the temperature inside the driver's cab with the cab air conditioner 72. If it is after the departure time (YES in step S7), the temperature of the refrigerator reaches the set temperature of the refrigerator, and the temperature of the driver's cab also reaches the set temperature inside the cab. Also, the high-voltage battery 41 is fully charged, and the battery capacity SOC becomes 100%. The vehicle becomes ready to start running, and the process ends.

[0131] In this way, at the departure time, the temperature inside the refrigerator is adjusted to the set temperature of the refrigerator, and the temperature inside the driver's cab is also adjusted to the set temperature inside the cab, and the vehicle immediately becomes ready to start running. Also, at this departure time, since the high-voltage battery 41 also has a battery capacity SOC of 100%, the vehicle can start running in a fully charged state, and its driving range can be extended.

[0132] [3. Operational Effects] The present embodiment described above has the following operational effects.

[0133] In the temperature adjustment device 1 according to this application example, the calculation unit 13 calculates the time T1 required to cool the inside of the refrigerator, and the power W1 required to keep the cooled temperature inside the refrigerator keep , the time T2 required to warm the high-voltage battery, and the power W2 required to keep the warmed high-voltage battery temperature keep , the time T3 required to adjust the temperature inside the cab to an appropriate temperature, and the power W3 required to keep the temperature inside the cab at an appropriate temperature keep , the power consumption W1 for cooling the inside of the refrigerator act , the power consumption W2 for warming the high-voltage battery 41 act , the power consumption W3 for adjusting the temperature inside the cab to an appropriate temperature act And using the chargeable power amount P, the wake-up time T is calculated based on the above-described formula (2). wakeup Further, the calculation unit 13 calculates the wake-up time by subtracting the wake-up time T from the departure time. wakeup

[0134] Then, the temperature adjustment control unit 14 starts temperature adjustment by the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41 at the wake-up time. As a result, at the departure time, the refrigerator can be set to the refrigerator set temperature, and the driver's cab can be set to the cab set temperature. Thereby, the standby time for cooling the inside of the refrigerator can be shortened.

[0135] Also, by fully charging the high-voltage battery 41 at the departure time while adjusting the temperatures of both the refrigerator and the driver's cab, the driving distance of the vehicle can be extended.

[0136] Each value used for calculating the wake-up time is a value obtained when the power of the high-voltage battery 41 is used efficiently (without waste) for each of cooling the inside of the refrigerator and maintaining the cooled temperature inside the refrigerator, adjusting the temperature inside the driver's cab and maintaining the adjusted temperature inside the driver's cab, warming the high-voltage battery 41, and maintaining the warmed temperature of the high-voltage battery 41.

[0137] Therefore, the wake-up time calculated using these values is also the time that can efficiently realize cooling in the refrigerator and maintaining the cooled temperature in the refrigerator, temperature adjustment in the driver's cab and maintaining the adjusted temperature in the driver's cab, and warming the high-voltage battery 41 and maintaining the temperature of the warmed high-voltage battery 41 in the vehicle.

[0138] By starting the temperature adjustment of the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41 at the wake-up time calculated using these values by the temperature adjustment control unit 14, the temperature adjustment for making the temperature in the refrigerator reach the set temperature of the refrigerator, the temperature adjustment for making the temperature in the driver's cab reach the set temperature in the cab, and the temperature adjustment for making the high-voltage battery 41 reach the battery set temperature can be efficiently performed respectively.

[0139] By performing the temperature adjustment of the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41 during the charging of the high-voltage battery 41, the temperature adjustment of the refrigerator (cargo compartment), the driver's cab, and the high-voltage battery 41 can be performed without consuming the power of the high-voltage battery 41.

[0140] [4. Others] The temperature adjustment device 1 shown in the above embodiment is an example. For example, although the temperature adjustment device 1 is provided with the refrigerator unit 5 and the cab air conditioner unit 7, it is not limited thereto, and at least only one of the refrigerator unit 5 and the cab air conditioner unit 7 may be provided. Also, in the temperature adjustment device 1, a temperature regulator other than the refrigerator unit 5 and the cab air conditioner unit 7 may be provided.

[0141] Also, in the above-described embodiment, the vehicle control ECU 2 (calculation unit 13) calculates the time T1 required to cool the inside of the refrigerator, the power W1 for keeping the cooled temperature inside the refrigerator keep , the time T2 for warming the high-voltage battery, the power W2 for keeping the temperature of the warmed high-voltage battery keep , the time T3 for making the temperature in the cab appropriate, and the power W3 for keeping the temperature in the cab appropriate keep , the power consumption W1 for cooling the inside of the refrigerator act, Power consumption W2 for warming the high-voltage battery 41 act , Power consumption W3 for setting the temperature inside the cab to an appropriate level act and calculating the chargeable power amount P, but is not limited thereto.

[0142] At least a part of these may be calculated outside the vehicle control ECU 2, such as the charging system ECU 43, the refrigerator ECU 51, the cab air conditioner ECU 71, etc., and can be implemented with appropriate modifications.

[0143] Further, in the above-described embodiment, the calculation unit 13 determines the wake-up time based on the time T1 required to cool the inside of the refrigerator, the power W1 for keeping the cooled temperature inside the refrigerator keep , the time T2 for warming the high-voltage battery, the power W2 for keeping the warmed high-voltage battery temperature keep , the time T3 for setting the temperature inside the cab to an appropriate level, and the power W3 for keeping the temperature inside the cab at an appropriate level keep , the power consumption W1 for cooling the inside of the refrigerator act , the power consumption W2 for warming the high-voltage battery 41 act , the power consumption W3 for setting the temperature inside the cab to an appropriate level act and calculates using the chargeable power amount P.

[0144] Among these, for example, the time T1 required to cool the inside of the refrigerator is obtained based on the set temperature of the refrigerator (the target temperature which is the target value of the inside temperature of the cargo compartment) and the temperature inside the refrigerator (the current temperature which is the current inside temperature of the cargo compartment). Also, the power W1 for keeping the cooled temperature inside the refrigerator keep is obtained based on the set temperature of the refrigerator (the target temperature).

[0145] Therefore, it can be said that the calculation unit 13 calculates the start time (wake-up time) of the temperature adjustment of the refrigerator (cargo compartment) using the departure time representing the departure time of the vehicle (electric vehicle), the current temperature (temperature inside the refrigerator) which is the current inside temperature of the refrigerator (cargo compartment), and the target temperature (set temperature of the refrigerator) which is the target value of the inside temperature of the refrigerator (cargo compartment).

[0146] However, the calculation method of the wake-up time by the calculation unit 13 is not limited to this. The calculation unit 13 may calculate the wake-up time using values other than these departure times, the set temperature of the refrigerator (target temperature), and the current temperature of the refrigerator (temperature inside the refrigerator).

[0147] Also, in the above-described embodiment, an example in which the vehicle is a refrigerated vehicle equipped with a refrigerator 52 has been shown, but it is not limited to this. The vehicle may be, for example, a refrigerated vehicle equipped with a refrigeration device. Further, the vehicle may be a heating vehicle equipped with a heating device, and the temperature adjustment device 1 may warm the cargo compartment to the set temperature of the heating compartment by a preconditioning function.

[0148] [5. Supplementary Note] (Supplementary Note 1) In a cargo compartment temperature adjustment device for an electric vehicle that adjusts the temperature of a cargo compartment using a driving battery, comprising a control device for controlling the cargo compartment temperature adjustment device, the control device calculates the start time of the temperature adjustment of the cargo compartment using the departure time indicating the time when the electric vehicle departs, the current temperature which is the current temperature inside the cargo compartment, and the target temperature which is the target value of the temperature inside the cargo compartment, and starts the temperature adjustment of the cargo compartment at the start time A cargo compartment temperature adjustment device for an electric vehicle, characterized by the above.

[0149] (Supplementary Note 2) comprising a charge determination unit for determining whether or not the driving battery is being charged, when the charge determination unit determines that it is being charged, the control device starts the temperature adjustment of the cargo compartment A cargo compartment temperature adjustment device for an electric vehicle according to Supplementary Note 1, characterized by the above.

[0150] (Supplementary Note 3) comprising an outside air temperature measurement device for measuring the outside air temperature around the electric vehicle, the control device uses the outside air temperature in the calculation of the start time The cargo compartment temperature adjustment device for an electric vehicle according to appendix 1 or 2, characterized in that...

[0151] (Appendix 4) Comprising a driver's cab temperature adjustment device for adjusting the temperature of the driver's cab of the electric vehicle and / or a battery temperature adjustment device for adjusting the temperature of the drive battery, wherein the control device uses the value of the power consumed by the driver's cab temperature adjustment device and / or the battery temperature adjustment device for calculating the start time. The cargo compartment temperature adjustment device for an electric vehicle according to any one of appendices 1 to 3, characterized in that...

[0152] (Appendix 5) Comprising a wireless communication device capable of wireless communication with the outside of the electric vehicle, wherein the target temperature can be set via the wireless communication. The cargo compartment temperature adjustment device for an electric vehicle according to any one of claims 1 to 4, characterized in that...

Explanation of reference numerals

[0153] 1 Temperature adjustment device (cargo compartment temperature adjustment device) 2 Vehicle control ECU (control device) 4 Drive battery unit 5 Refrigerator unit 6 ePTO 7 Cab air conditioner unit 8 Temperature sensor group (outside air temperature measurement unit) 9 Preconditioning execution switch 11 Charging determination unit 12 Temperature measurement unit (outside air temperature measurement unit) 13 Calculation unit 14 Temperature adjustment control unit 31 Input device 32 Telematics in-vehicle device (wireless communication device) 33 Terminal device 41 High-voltage battery 42 Battery heater 43 Charging system ECU 51 Refrigerator ECU 52 Refrigerator 71 Cab air conditioner ECU (temperature regulator) 72 Cab air conditioner 81 - 84 Temperature sensor (outside air temperature measurement section)

Claims

1. In a luggage compartment temperature adjustment device for an electric vehicle that adjusts the temperature of a luggage compartment using a driving battery, it is provided with a control device that controls the luggage compartment temperature adjustment device, and the control device uses the departure time indicating the departure time of the electric vehicle, the current temperature which is the current temperature inside the luggage compartment, and the target temperature which is the target value of the temperature inside the luggage compartment to calculate the start time of the temperature adjustment of the luggage compartment, and starts the temperature adjustment of the luggage compartment at the start time A luggage compartment temperature adjustment device for an electric vehicle, characterized by the above.

2. It is provided with a charging determination unit that determines whether or not the driving battery is being charged, and when the charging determination unit determines that it is being charged, the control device starts the temperature adjustment of the luggage compartment A luggage compartment temperature adjustment device for an electric vehicle according to claim 1, characterized by the above.

3. It is provided with an outside air temperature measurement device that measures the outside air temperature around the electric vehicle, and the control device uses the outside air temperature in the calculation of the start time A luggage compartment temperature adjustment device for an electric vehicle according to claim 1, characterized by the above.

4. It is provided with a driver's cab temperature adjustment device that adjusts the temperature of the driver's cab of the electric vehicle and / or a battery temperature adjustment device that adjusts the temperature of the driving battery, and the control device uses the value of the power used by the driver's cab temperature adjustment device and / or the battery temperature adjustment device in the calculation of the start time A luggage compartment temperature adjustment device for an electric vehicle according to claim 1, characterized by the above.

5. It is provided with a wireless communication device capable of wireless communication with the outside of the electric vehicle, and the setting of the target temperature can be set via the wireless communication A luggage compartment temperature adjustment device for an electric vehicle according to claim 1, characterized by the above.

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