JP2020156181A - vehicle - Google Patents

Abstract

To provide a vehicle which suppresses a rise of temperature in a cabin while securing power generation performance of a solar panel.SOLUTION: A vehicle having at least a motor as a driving source comprises: a battery pack for storing power; an inverter for converting power stored in the battery pack and supplying it to the motor; a solar panel installed on an upper surface part of a vehicle body to generate power for charging the battery pack; a power generation amount sensor for detecting a power generation amount of the solar panel per predetermined time; a lifting device for lifting and lowering the solar panel; and a control device for controlling lifting and lowering movement of the solar panel by the lifting device.SELECTED DRAWING: Figure 4

Description

The present invention relates to a vehicle, and more particularly to a vehicle equipped with a solar panel.

At least vehicles using a motor as a driving source for traveling are widely used. Among the vehicles, for example, as disclosed in Patent Document 1 below, there is a vehicle that travels by mounting a solar panel on the top surface and driving a motor using the electric power generated by the solar panel. To do. In order to generate electricity efficiently by the solar panel, it is preferable to park the vehicle in a place such as the sun where sunlight is sufficiently irradiated.

Special Table 2009-506742

On the other hand, there is a problem that the temperature inside the vehicle rises when the vehicle is parked in the sun because the solar panel generates electricity. In particular, if the vehicle is parked in the sun when the sunlight is strong and the outside temperature is high, such as in the summer, heat propagates from the glass and the body panel, causing the temperature inside the vehicle to rise sharply. In the case of glass, it is possible to suppress an increase in the temperature inside the vehicle by covering it with an aluminum vapor deposition sheet or the like. However, since it is difficult to prevent heat from propagating from the body panel (particularly, the top surface portion having a large area), it is not possible to suppress an increase in the temperature inside the vehicle.

The present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a vehicle capable of suppressing an increase in vehicle interior temperature while ensuring power generation performance by a solar panel. is there.

The present invention has been made to solve at least a part of the above-mentioned problems, and can be realized as the following aspects.
The vehicle according to the aspect of the present invention is at least a vehicle whose drive source is a motor, and includes a battery pack that stores electric power, an inverter that converts the electric power stored in the battery pack and supplies it to the motor, and a vehicle body. A solar panel provided on the upper surface of the battery pack to generate electric power for charging the battery pack, a power generation amount sensor for detecting the amount of power generated in the solar panel per predetermined time, and an elevating device for raising and lowering the solar panel. And at least a control device that controls the raising and lowering operation of the solar panel by the raising and lowering device based on the power generation amount detected by the power generation amount sensor.

Further, a storage device for storing a power index value preset in association with the power generation amount is further provided, and the control device reads from the storage device based on the power generation amount detected by the power generation amount sensor. When the output power index value is equal to or higher than a predetermined threshold value, the elevating device executes control to raise the solar panel, and when the power index value is less than the predetermined threshold value, the elevating device performs the solar. Control may be performed to lower the panel.

Further, an external temperature sensor for detecting the external temperature of the vehicle body is further provided, the storage device stores a temperature index value preset in association with the external temperature of the vehicle body, and the control device uses the power supply. When the product of the index value and the temperature index value read from the storage device based on the external temperature detected by the external temperature sensor is equal to or greater than a predetermined threshold value, the solar panel is moved by the elevating device. When the product of the power index value and the temperature index value is less than a predetermined threshold value, the control for lowering the solar panel may be executed by the elevating device.

Further, a time information acquisition device for acquiring time information indicating the current time is further provided, the storage device stores a time index value set in advance in association with the time information, and the control device uses the power supply. When the product of the index value and the total of the temperature index value and the time index value read from the storage device based on the time information acquired by the time information acquisition device is equal to or greater than a predetermined threshold value. When the elevating device executes control to raise the solar panel and the product of the power index value and the total of the temperature index value and the time index value is less than a predetermined threshold value, the elevating device performs the solar. Control to lower the panel may be performed.

Further, in the control device, the solar panel is raised by the elevating device, and the product of the power index value and the total of the temperature index value and the time index value is equal to or higher than a predetermined threshold value. In some cases, the elevating device keeps the solar panel raised, and the elevating device raises the solar panel, and the power index value, the temperature index value, and the time are shown. When the product with the total of the index values is less than a predetermined threshold value, the elevating device executes control to lower the solar panel, and the elevating device lowers the solar panel, and the electric power When the product of the index value and the sum of the temperature index value and the time index value is equal to or greater than a predetermined threshold value, the elevating device executes control to raise the solar panel, and the elevating device causes the solar panel to rise. When the product of the power index value, the temperature index value, and the time index value is less than a predetermined threshold in the descending state, the solar panel is descended by the elevating device. The state may be maintained.

Further, as the power index value, the storage device has a lowering index value read by the control device when the solar panel is raised, and the control when the solar panel is lowered. The rising index value read by the device may be stored respectively.
Further, a shift position sensor for detecting the shift position of the shift lever and a vehicle speed sensor for detecting the vehicle speed are further provided, and the control device is such that the shift position of the shift lever detected by the shift position sensor is neutral or When the vehicle is in the parking position and the vehicle speed detected by the vehicle speed sensor is less than a predetermined threshold value, the solar panel is allowed to rise by the elevating device, and the shift position is in the forward or reverse position. Alternatively, if at least one of the cases where the vehicle speed is equal to or higher than a predetermined threshold value is satisfied, the ascending of the solar panel by the elevating device may be prohibited.

The vehicle according to the aspect of the present invention can suppress an increase in the temperature inside the vehicle while ensuring the power generation performance by the solar panel.

It is the schematic which shows the vehicle equipped with the solar panel which concerns on this embodiment. It is a schematic diagram which shows the normal installation position of the solar panel shown in FIG. It is a schematic diagram which shows the position of the solar panel when the solar panel shown in FIG. 1 is raised by the elevating device. It is a block diagram which shows the structure of the solar panel provided in the vehicle which concerns on this embodiment. It is a block diagram which shows the structure of the vehicle which mounted the solar panel which concerns on this embodiment. It is a figure which shows an example of the power gain (power index value) stored in the storage device shown in FIG. It is a figure which shows an example of the temperature gain (temperature index value) stored in the storage device shown in FIG. It is a figure which shows an example of the time gain (time index value) stored in the storage device shown in FIG. It is a flowchart which shows the flow of control of the elevating operation of the elevating device in the controller shown in FIG.

Hereinafter, a vehicle according to an embodiment of the present invention will be described with reference to the drawings. It should be noted that the present embodiment is not limited to the contents described below, and it is possible to arbitrarily change and implement the present embodiment without changing the gist thereof. In addition, the drawings used for explaining the embodiments are all schematically showing the constituent members, and are partially emphasized, enlarged, reduced, or omitted in order to deepen the understanding, and the scale of the constituent members is scaled. And shape may not be accurately represented.

First, the vehicle according to the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is a schematic view showing a vehicle 1 equipped with a solar panel 2 according to the present embodiment. FIG. 2A is a schematic view showing a normal installation position of the solar panel 2 shown in FIG. FIG. 2B is a schematic view showing the position of the solar panel 2 when the solar panel 2 shown in FIG. 1 is raised by the elevating device 3.

As shown in FIG. 1, the vehicle 1 according to the present embodiment uses, for example, at least a motor 6 described later as a driving drive source for traveling, and uses the driving force of the motor 6 as a speed reducer 61, a differential device 62, and a drive shaft 63. It is an electric vehicle that can travel by transmitting it to the wheels 15 via the above, or a hybrid vehicle further provided with an engine. The vehicle 1 can travel by supplying the electric power generated by the solar panel 2 provided on the upper surface of the vehicle 1 to the motor. Further, at the four corners of the solar panel 2, lifting devices 3 for raising and lowering the solar panel 2 are provided. For example, as shown in FIGS. 1, 2A, and 2B, the solar panel 2 in the present embodiment is provided integrally with the body panel existing on the top surface portion of the vehicle 1. Further, as shown in FIGS. 1, 2A, and 2B, the elevating device 3 in the present embodiment is incorporated in the vehicle body constituting the vehicle 1.

Further, in the vehicle 1 according to the present embodiment, the solar panel 2 is raised by the elevating device 3 by executing the control for raising the solar panel 2 by the controller (control device) 7, which will be described later, from the normal installation position shown in FIG. 2A. It can rise to the position shown in 2B. Further, the vehicle 1 according to the present embodiment lowers the solar panel 2 from the position shown in FIG. 2B to the normal installation position shown in FIG. 2A by the elevating device 3 by executing the control of lowering the solar panel 2 by the controller 7. can do.

The elevator 3 shown in FIGS. 1, 2A, and 2B assumes a cylinder-type elevator (actuator) as an example, but an elevator widely used in the technical field may be appropriately adopted. Good. Further, a reinforcing member may be provided between the elevating devices to improve the strength of holding the solar panel 2.
Next, the configuration of the solar panel 2 provided in the vehicle 1 according to the present embodiment will be described with reference to FIG. FIG. 3 is a configuration diagram showing a configuration of a solar panel 2 provided in the vehicle 1 according to the present embodiment. Note that FIG. 3 shows the solar panel 2 viewed from the vehicle width direction of the vehicle 1 when the solar panel 2 is installed. As shown in FIG. 3, the solar panel 2 in this embodiment generates electric power for charging the battery pack 4, which will be described later. The solar panel 2 in this embodiment is composed of a plurality of solar cells (solar cells) 21 that generate electric power, a thermoelectric element 22, and heat radiation fins 23. The thermoelectric element 22 in the present embodiment is an electronic component that generates electricity due to a temperature difference between a plurality of solar cells 21 irradiated with sunlight and a heat radiation fin 23. The vehicle 1 according to the present embodiment stores the electric power generated by the plurality of solar cells 21 and the thermoelectric element 22 in the battery pack 4 described later.

Next, other configurations provided in the vehicle 1 according to the present embodiment will be described with reference to FIG. FIG. 4 is a block diagram showing a configuration provided in the vehicle 1 equipped with the solar panel 2 according to the present embodiment. Of the configurations shown in FIGS. 4, those overlapping with the configurations shown in FIGS. 1 to 3 will be omitted in detail except for the battery pack 4 and the controller (control device) 7 for convenience of explanation. ..

As shown in FIG. 4, the vehicle 1 includes, for example, a solar panel 2, an elevating device 3, a battery pack 4, an inverter 5, a motor 6, a speed reducer 61, a differential device 62, a drive shaft 63, wheels 15, and a controller (control). Device) 7, power generation sensor 8, external temperature sensor 9, time information acquisition device 10, shift position sensor 11, shift lever 12, vehicle speed sensor 13, and storage device 14.

The battery pack 4 is a secondary battery such as a lithium ion battery that stores the electric power generated by the regenerative operation of the solar panel 2 and the motor 6. The battery pack 4 includes a plurality of battery modules (not shown) inside in order to store the electric power required for the vehicle 1.
The inverter 5 converts the electric power stored in the battery pack 4 and supplies it to the motor 6. More specifically, the inverter 5 converts the DC power supplied from the battery pack 4 into AC power and supplies it to the motor 6, and controls the rotation speed of the motor 6 according to the accelerator operation on the vehicle 1. Further, the inverter 5 converts the AC power generated by the motor 6 into DC power and stores it in the battery pack 4 when traveling on a traveling route such as a downhill road (during regenerative traveling).

The controller 7 includes a predetermined processor as a hardware resource. The controller 7 controls the elevating operation of the solar panel 2 by the elevating device 3 based on the information detected by various sensors provided in the vehicle 1. More specifically, the controller 7 in the present embodiment is based on at least the amount of power generated by the solar panel 2 detected by the power generation sensor 8 provided in the power system between the solar panel 2 and the battery pack 4. The elevating operation of the solar panel 2 is controlled by the elevating device 3.

In addition to this, the controller 7 in the present embodiment moves the solar panel 2 up and down by the elevating device 3 based on the external temperature (outside air temperature) detected by the external temperature sensor 9 provided outside the vehicle body. You may control it. Further, the controller 7 in the present embodiment may control the elevating operation of the solar panel 2 by the elevating device 3 based on the time information indicating the current time acquired by the time information acquisition device 10.

Further, in the controller 7 of the present embodiment, the shift position of the shift lever 12 detected by the shift position sensor 11 is in the neutral or parking position, and the vehicle speed detected by the vehicle speed sensor 13 that detects the vehicle speed of the vehicle 1 is If it is less than a predetermined threshold value, the elevating device 3 may allow the solar panel 2 to rise. Further, in the controller 7 of the present embodiment, when the shift position of the shift lever 12 detected by the shift position sensor 11 is a forward or reverse position, or when the vehicle speed detected by the vehicle speed sensor 13 is equal to or higher than a predetermined threshold value. If at least one of the cases is satisfied, the raising of the solar panel 2 by the elevating device 3 may be prohibited.

A specific example of control by the controller 7 will be described in detail later with reference to the drawings.
The storage device 14 includes a memory capable of storing data. The storage device 14 stores a power gain (power index value) preset in association with the amount of power generated by the solar panel 2. Further, the storage device 14 stores a temperature gain (temperature index value) preset in association with the external temperature of the vehicle body. Further, the storage device 14 stores a time gain (time index value) set in advance in association with the time information.

Here, the electric power gain (electric power index value) in the present embodiment is a numerical value for adjusting a guideline for an increase in the solar panel 2 which is set in association with the amount of power generated by the solar panel 2. The power gain can be set to any value by the user. FIG. 5A is a diagram showing an example of a power gain (power index value) stored in the storage device 14 shown in FIG. As shown in FIG. 5A, an arbitrary power gain is set in association with the power generation amount of the solar panel 2 (for example, the ratio (%) of the actual power generation amount to the maximum power generation amount). For example, in FIG. 5A, the larger the amount of power generation, the larger the power gain is set. That is, in the present embodiment, as the amount of power generation increases, the condition for raising the solar panel 2 by the elevating device 3 is relaxed.

Further, the storage device 14 stores two power gains according to the position of the solar panel 2. For example, the storage device 14 stores the falling gain (falling index value) read by the controller 7 when the solar panel 2 is rising as the power gain. Further, the storage device 14 stores an ascending gain (increasing index value) read by the controller 7 when the solar panel 2 is in a descending state. As a result, the conditions for raising or lowering the solar panel 2 can be changed according to the position of the solar panel 2.

Further, the temperature gain (temperature index value) in the present embodiment is a numerical value for adjusting a guideline for the rise of the solar panel 2 which is set in association with the external temperature of the vehicle body. The temperature gain can be set to an arbitrary value by the user, similarly to the power gain described above. FIG. 5B is a diagram showing an example of a temperature gain (temperature index value) stored in the storage device 14 shown in FIG. As shown in FIG. 5B, an arbitrary temperature gain is set in association with the external temperature of the vehicle body. For example, in FIG. 5B, the higher the external temperature, the larger the temperature gain is set. That is, the higher the external temperature, the more relaxed the condition for raising the solar panel 2 by the elevating device 3.

Further, the time gain (time index value) in the present embodiment is a numerical value for adjusting a guideline for the rise of the solar panel 2 which is set in association with the time information. The time gain can be set to an arbitrary value by the user in the same manner as the power gain and the temperature gain. FIG. 5C is a diagram showing an example of a time gain (time index value) stored in the storage device 14 shown in FIG. As shown in FIG. 5C, an arbitrary time gain is set in association with the time information. For example, in FIG. 5C, a larger time gain is set as the illuminance of sunlight is stronger and the temperature inside the vehicle tends to rise. That is, the condition that the solar panel 2 is raised by the elevating device 3 is relaxed as the illuminance of sunlight is stronger and the temperature inside the vehicle is likely to rise.

In the vehicle 1 according to the present embodiment, the controller 7 is based on the power gain read from the storage device 14 based on the power generation amount detected by the power generation amount sensor 8 and the external temperature detected by the external temperature sensor 9. A numerical value calculated from the temperature gain read from the storage device 14 and the time gain read from the storage device 14 based on the time information acquired by the time information acquisition device 10, and a preset threshold value. By comparing with and, it is determined whether the solar panel 2 is raised or lowered by the elevating device 3. Further, the controller 7 controls the elevating operation of the solar panel 2 by the elevating device 3 according to the determination result.

Here, the flow of processing executed by the controller 7 in the present embodiment will be described in detail with reference to FIG. FIG. 6 is a flowchart showing a flow of control of the elevating operation of the elevating device 3 in the controller 7 shown in FIG.
First, the controller 7 determines whether or not the solar panel 2 is in a raised state (step S1). When the solar panel 2 is in a raised state (Yes in step S1), the controller 7 determines whether or not the ascending permission condition of the solar panel 2 is satisfied (step S2). Specifically, the controller 7 permits the solar panel 2 to be raised by the elevating device 3 according to the shift position of the shift lever 12 detected by the shift position sensor 11 and the vehicle speed detected by the vehicle speed sensor 13. Judge whether or not.

When the ascending permission condition is satisfied (that is, when the shift position of the shift lever 12 detected by the shift position sensor 11 is in the neutral or parked position, and the vehicle speed detected by the vehicle speed sensor 13 is less than a predetermined threshold value. ) (Yes in step S2), the controller 7 compares the numerical values calculated from the power gain, the temperature gain, and the time gain with a preset threshold value, so that the solar panel 2 is raised by the elevating device 3. It is determined whether to maintain the state or to execute the control for lowering the solar panel 2 by the elevating device 3 (step S3).

Specifically, when the product of the descending gain and the sum of the temperature gain and the time gain is less than a predetermined threshold value “1” (Yes in step S3), the controller 7 uses the elevating device 3 to move the solar panel 2. The lowering control is executed (step S4). For example, referring to the numerical values shown in FIGS. 5A to 5C, the falling gain is "1" (that is, the amount of power generated is any of 10% to 50%), and the temperature gain is "0.2" (that is, external). When the temperature is 10 ° C.) and the time gain is "0.4" (that is, the current time is 4 o'clock), the calculated numerical value is 1 x (0.2 + 0.4) = "0.6". .. That is, since the calculated numerical value "0.6" is less than the predetermined threshold value "1", the condition for maintaining the raised state of the solar panel 2 is not satisfied. Therefore, the controller 7 executes control for lowering the solar panel 2 by the elevating device 3.

Further, when the product of the descending gain and the sum of the temperature gain and the time gain is equal to or greater than a predetermined threshold value “1” (No in step S3), the solar panel 2 of the controller 7 is raised by the elevating device 3. Maintain the state of being. For example, referring to the numerical values shown in FIGS. 5A to 5C, the falling gain is "1" (that is, the amount of power generated is any of 10% to 50%), and the temperature gain is "0.4" (that is, external). When the temperature is 15 ° C.) and the time gain is “1” (that is, the current time is 12 o'clock), the calculated numerical value is 1 × (0.4 + 1) = “1.4”. That is, since the calculated numerical value "1.4" is equal to or higher than the predetermined threshold value "1", the condition for maintaining the rising state of the solar panel 2 is satisfied. Therefore, the controller 7 maintains the state in which the solar panel 2 is raised by the elevating device 3.

When the climbing permission condition is not satisfied (that is, when the shift position of the shift lever 12 detected by the shift position sensor 11 is a forward or reverse position, or the vehicle speed detected by the vehicle speed sensor 13 is equal to or higher than a predetermined threshold value. (When at least one of the cases is satisfied) (No in step S2), after the end of step S4, or the product of the above-mentioned descending gain and the sum of the temperature gain and the time gain is a predetermined threshold value “1” or more. If, the controller 7 ends a series of processes.

Further, when the solar panel 2 is not in a raised state (in other words, when the solar panel 2 is in a lowered state) (No in step S1), whether or not the ascending permission condition of the solar panel 2 is satisfied. (Step S5).
When the ascending permission condition is satisfied (that is, when the shift position of the shift lever 12 detected by the shift position sensor 11 is in the neutral or parked position, and the vehicle speed detected by the vehicle speed sensor 13 is less than a predetermined threshold value. ) (Yes in step S5), the controller 7 compares the numerical values calculated from the power gain, the temperature gain, and the time gain with a preset threshold value, so that the solar panel 2 is lowered by the elevating device 3. It is determined whether to maintain the state or to execute the control for raising the solar panel 2 by the elevating device 3 (step S6).

Specifically, when the product of the rising gain and the sum of the temperature gain and the time gain is equal to or greater than a predetermined threshold value “1” (Yes in step S6), the controller 7 uses the elevating device 3 to move the solar panel 2. The raising control is executed (step S7). For example, referring to the numerical values shown in FIGS. 5A to 5C, the rising gain is "1" (that is, the amount of power generated is any of 20% to 50%), and the temperature gain is "0.4" (that is, external). When the temperature is 15 ° C.) and the time gain is “1” (that is, the current time is 12 o'clock), the calculated numerical value is 1 × (0.4 + 1) = “1.4”. That is, since the calculated numerical value "1.4" is equal to or higher than the predetermined threshold value "1", the condition for raising the solar panel 2 is satisfied. Therefore, the controller 7 executes control for raising the solar panel 2 by the elevating device 3.

Further, when the product of the rising gain and the total of the temperature gain and the time gain is less than the predetermined threshold value “1” (No in step S6), the solar panel 2 of the controller 7 is lowered by the lifting device 3. Maintain the state of being. For example, referring to the numerical values shown in FIGS. 5A to 5C, the rising gain is "1" (that is, the amount of power generated is any of 20% to 50%), and the temperature gain is "0.2" (that is, external). When the temperature is 10 ° C.) and the time gain is "0.2" (that is, the current time is 20:00), the calculated numerical value is 1 x (0.2 + 0.2) = "0.4". .. That is, since the calculated numerical value "0.4" is less than the predetermined threshold value "1", the condition for raising the solar panel 2 is not satisfied. Therefore, the controller 7 maintains the state in which the solar panel 2 is lowered by the elevating device 3.

When the climbing permission condition is not satisfied (that is, when the shift position of the shift lever 12 detected by the shift position sensor 11 is a forward or reverse position, or the vehicle speed detected by the vehicle speed sensor 13 is equal to or higher than a predetermined threshold value. (No in step S5), after the end of step S7, or the product of the above-mentioned descending gain and the sum of the temperature gain and the time gain is less than the predetermined threshold value "1". If, the controller 7 ends a series of processes.

According to the above configuration, in the vehicle 1 according to the present embodiment, the controller 7 is in a state where the solar panel 2 is raised by the elevating device 3, and the power gain is the sum of the temperature gain and the time gain. When the product is equal to or greater than a predetermined threshold value, the elevating device 3 keeps the solar panel 2 raised. Further, in the controller 7, when the solar panel 2 is raised by the elevating device 3 and the product of the power gain and the total of the temperature gain and the time gain is less than a predetermined threshold value, the elevating device 3 Controls the lowering of the solar panel 2. Further, in the controller 7, when the solar panel 2 is lowered by the elevating device 3 and the product of the power gain and the total of the temperature gain and the time gain is equal to or more than a predetermined threshold value, the elevating device 3 Controls to raise the solar panel 2 by. Further, in the controller 7, when the solar panel 2 is lowered by the elevating device 3 and the product of the power gain and the total of the temperature gain and the time gain is less than a predetermined threshold value, the elevating device 3 The solar panel 2 is maintained in a lowered state.

In other words, the vehicle 1 according to the present embodiment predicts the situation in which the temperature inside the vehicle rises from the above power generation amount, the external temperature, and the time information, and raises the solar panel 2 by the elevating device 3 when the conditions are satisfied. .. As a result, a space is created between the solar panel 2 and the vehicle body, and the upper surface portion of the vehicle 1 is shaded, so that heat propagation from the solar panel 2 to the inside of the vehicle can be suppressed. That is, the vehicle 1 according to the present embodiment can suppress an increase in the temperature inside the vehicle. Further, the vehicle 1 according to the present embodiment includes a thermoelectric element 22 as one configuration of the solar panel 2. Therefore, in the vehicle 1 according to the present embodiment, the power generation performance of the entire solar panel 2 can be ensured by the power generation by the thermoelectric element 22 in addition to the power generation by the solar cell 21. Further, in the above embodiment, the information detected by the various sensors is not used as it is, but is replaced with a common index called gain, so that the control is more various than the control when the information detected by the various sensors is simply used. It is possible to realize control that considers information.

Thus, the vehicle 1 according to the present embodiment can suppress an increase in the temperature inside the vehicle while ensuring the power generation performance by the solar panel.
Here, the controller 7 in the present embodiment raises or lowers the solar panel 2 by the elevating device 3 by comparing the numerical values calculated from the power gain, the temperature gain, and the time gain with a preset threshold value. Is determined, and the ascending / descending operation of the solar panel 2 by the elevating device 3 is controlled according to the determination result. However, the controller 7 in this embodiment is not limited to this.

For example, the controller 7 in the present embodiment determines whether the solar panel 2 is raised or lowered by the lifting device 3 by comparing the power gain with a preset threshold value, and raises or lowers the solar panel 2 according to the judgment result. The ascending / descending operation of the solar panel 2 by the device 3 may be controlled. More specifically, the controller 7 uses the elevating device 3 when the power gain read from the storage device 14 based on the power generation amount detected by the power generation amount sensor 8 is equal to or greater than a predetermined threshold value “1”. Control to raise the solar panel 2 may be executed. Further, the controller 7 may execute a control for lowering the solar panel 2 by the elevating device 3 when the power gain is less than a predetermined threshold value “1”.

Further, the controller 7 in the present embodiment is based on the power gain read from the storage device 14 based on the power generation amount detected by the power generation amount sensor 8 and the external temperature detected by the external temperature sensor 9. By comparing the numerical value calculated from the temperature gain read from the storage device 14 with the preset threshold value, the rise or fall of the solar panel 2 by the elevating device 3 is determined, and according to the determination result. The elevating operation of the solar panel 2 by the elevating device 3 may be controlled. More specifically, the controller 7 may execute a control for raising the solar panel 2 by the elevating device 3 when the product of the power gain and the temperature gain is equal to or greater than a predetermined threshold value “1”. .. Further, the controller 7 may execute a control for lowering the solar panel 2 by the elevating device 3 when the product of the power gain and the temperature gain is less than a predetermined threshold value “1”.

In the above embodiment, the solar panel 2 is composed of a plurality of solar cells 21, thermoelectric elements 22, and heat radiation fins 23. However, the solar panel 2 in this embodiment is not limited to this. For example, the solar panel 2 in the present embodiment does not include the thermoelectric element 22 and the heat radiation fins 23 as a configuration, and may be composed of only a plurality of solar cells 21.

Further, the term "predetermined processor" used in the above description means, for example, a dedicated or general-purpose processor such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). Further, each component (each processing unit) of the present embodiment is not limited to a single processor, and may be realized by a plurality of processors. Further, a plurality of components (a plurality of processing units) may be realized by a single processor.

Although the embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. This novel embodiment can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and the equivalent scope thereof.

1 Vehicle 2 Solar panel 3 Lifting device 4 Battery pack 5 Inverter 6 Motor 7 Controller (control device)
8 Power generation sensor 9 External temperature sensor 10 Time information acquisition device 11 Shift position sensor 12 Shift lever 13 Vehicle speed sensor 14 Storage device 15 Wheels 21 Solar cell 22 Thermoelectric element 23 Heat dissipation fin 61 Reducer 62 Differential device 63 Drive shaft

Claims (7)

At least a vehicle driven by a motor
A battery pack that stores power and
An inverter that converts the electric power stored in the battery pack and supplies it to the motor,
A solar panel provided on the upper surface of the vehicle body to generate electric power for charging the battery pack,
A power generation sensor that detects the amount of power generated per predetermined time in the solar panel, and
An elevating device that elevates and lowers the solar panel,
A control device that controls the lifting operation of the solar panel by the lifting device based on at least the power generation amount detected by the power generation sensor.
Vehicle equipped with. A storage device for storing a preset power index value in association with the amount of power generation is further provided.
The control device is
When the power index value read from the storage device based on the power generation amount detected by the power generation amount sensor is equal to or higher than a predetermined threshold value, the elevating device executes control to raise the solar panel.
When the power index value is less than a predetermined threshold value, the elevating device executes control for lowering the solar panel.
The vehicle according to claim 1. Further equipped with an external temperature sensor that detects the external temperature of the vehicle body,
The storage device stores a preset temperature index value associated with the external temperature of the vehicle body, and stores the temperature index value.
The control device is
When the product of the power index value and the temperature index value read from the storage device based on the external temperature detected by the external temperature sensor is equal to or greater than a predetermined threshold value, the solar is operated by the elevating device. Perform control to raise the panel,
When the product of the power index value and the temperature index value is less than a predetermined threshold value, the elevating device executes control for lowering the solar panel.
The vehicle according to claim 2. Further equipped with a time information acquisition device for acquiring time information indicating the current time,
The storage device stores a preset time index value associated with the time information, and stores the time index value.
The control device is
The product of the power index value and the total of the temperature index value and the time index value read from the storage device based on the time information acquired by the time information acquisition device is equal to or greater than a predetermined threshold value. In the case, the elevating device executes control to raise the solar panel,
When the product of the power index value and the sum of the temperature index value and the time index value is less than a predetermined threshold value, the elevating device executes control for lowering the solar panel.
The vehicle according to claim 3. The control device is
When the solar panel is raised by the elevating device and the product of the power index value and the sum of the temperature index value and the time index value is equal to or more than a predetermined threshold value, the elevating device causes the solar panel to rise. Keep the solar panel up and
When the solar panel is raised by the elevating device and the product of the power index value and the sum of the temperature index value and the time index value is less than a predetermined threshold value, the elevating device causes the solar panel to rise. The control to lower the solar panel is executed,
When the solar panel is lowered by the elevating device and the product of the power index value and the sum of the temperature index value and the time index value is equal to or more than a predetermined threshold value, the elevating device causes the solar panel to descend. Perform control to raise the solar panel,
When the solar panel is lowered by the elevating device and the product of the power index value and the sum of the temperature index value and the time index value is less than a predetermined threshold value, the elevating device causes the solar panel. Keeping the solar panel down,
The vehicle according to claim 4. The storage device has, as the power index value, a descending index value read by the control device when the solar panel is raised, and by the control device when the solar panel is lowered. The vehicle according to claim 5, which stores each of the read up index values. A shift position sensor that detects the shift position of the shift lever, and
Further equipped with a vehicle speed sensor that detects the vehicle speed,
The control device is
When the shift position of the shift lever detected by the shift position sensor is in the neutral or parking position and the vehicle speed detected by the vehicle speed sensor is less than a predetermined threshold value, the solar panel is raised by the elevating device. Allow and
When the shift position is a forward or reverse position, or when at least one of the cases where the vehicle speed is equal to or higher than a predetermined threshold value is satisfied, the ascending of the solar panel by the elevating device is prohibited.
The vehicle according to any one of claims 1 to 6.

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