Vehicle-mounted solar power supply system and vehicle

Abstract

The utility model relates to a vehicle-mounted solar power supply system and a vehicle. The vehicle-mounted solar power supply system comprises a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module, the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are connected in sequence; the vehicle-mounted solar photovoltaic panel is used for converting solar energy into electric energy and transmitting the electric energy to the solar power supply control module; the solar power supply control module is used for supplying power to the power supply load module and the power battery module under the condition that the received electric energy is sufficient, and the power battery module is used for supplying power to the power supply load module under the condition that the power supply load module is lack of power. By adopting the system, the electric balance power consumption and the static power consumption of the vehicle can be met under the condition that the vehicle using cost is not increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy vehicles, in particular to a vehicle-mounted solar power supply system and a vehicle. BACKGROUND

[0002] With the deepening of the electrification of vehicles, the rapid development of intelligent technology and the significant improvement of passenger comfort needs, especially the rapid development of new energy vehicles driven by technological innovation and policy support, modern vehicles are no longer just traditional transportation tools, but mobile spaces integrated with a large number of advanced electronic technologies and intelligent systems. In order to meet the growing diversification needs, more and more electrical equipment is configured inside the vehicle, however, these electrical equipment increases the electrical balance power consumption and static power consumption of the vehicle.

[0003] The traditional method to solve the range anxiety includes increasing the capacity of the fuel tank or increasing the capacity of the power battery. However, the existing method is on the one hand high in battery price, contrary to energy saving and environmental protection, and on the other hand long in update iteration cycle, and also increases the energy consumption and the vehicle cost due to the increase of the vehicle weight. CONTENT OF THE INVENTION

[0004] Therefore, it is necessary to provide a vehicle-mounted solar power supply system and a vehicle capable of meeting the electrical balance power consumption and static power consumption of the vehicle in view of the above technical problems.

[0005] In a first aspect, the present application provides a vehicle-mounted solar power supply system, comprising: a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are connected in sequence.

[0006] The vehicle-mounted solar photovoltaic panel is used to convert solar energy into electric energy and deliver the electric energy to the solar power supply control module; the solar power supply control module is used to supply power to the power supply load module and the power battery module when the received electric energy is sufficient; and the power battery module is used to supply power to the power supply load module when the power supply load module is in power deficit.

[0007] In one of the embodiments, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; wherein,

[0008] The vehicle-mounted solar photovoltaic panel is configured to deliver the converted electrical energy to the MPPT control module; the MPTT control module is configured to deliver the received electrical energy to the first voltage conversion module; the VMM module is configured to, when detecting that the vehicle enters a dormant state, determine whether the electrical energy provided by the first voltage conversion module to the first electrical device turned on in the dormant state meets the power consumption requirement of the first electrical device; if yes, send a first voltage control instruction to the logic control module; if no, control the power supply battery to supply power to the first electrical device; the logic control module is configured to, after receiving the first voltage control instruction, control the first voltage conversion module to charge the power supply battery.

[0009] In one of the embodiments, the VMM module is further configured to, during the charging of the power supply battery by the first voltage conversion module, detect the state of charge (SOC) of the power supply battery in real time, and send a second voltage control instruction to the logic control module if the SOC of the power supply battery is greater than or equal to a first preset threshold; the logic control module is configured to, after receiving the second voltage control instruction, control the first voltage conversion module to charge the power battery in the power battery module.

[0010] In one of the embodiments, the power battery module comprises a power battery, a second voltage conversion module and a charging control module, and the second voltage conversion module is connected with the power supply battery and the various electrical devices respectively;

[0011] The power battery is configured to deliver electrical energy to the second voltage conversion module; the VMM module is further configured to, during the power supply of the first electrical device by the power supply battery, detect the SOC of the power supply battery in real time, and send an intelligent power compensation instruction to the charging control module if the SOC of the power supply battery is less than or equal to a second preset threshold; the charging control module is configured to, after receiving the intelligent power compensation instruction, control the second voltage conversion module to charge the power supply battery.

[0012] In one of the embodiments, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module.

[0013] The vehicle-mounted solar photovoltaic panel is configured to deliver the converted electrical energy to the MPPT control module; the MPPT control module is configured to deliver the received electrical energy to the first voltage conversion module; the VMM module is configured to, when detecting that the vehicle enters a locked state, determine whether the electrical energy provided by the first voltage conversion module to the second electrical devices that are turned on in the locked state meets the power consumption requirement of the second electrical devices; if yes, the first voltage conversion module continues to provide electrical energy to the second electrical devices; if not, some of the second electrical devices are turned off, and the power supply battery is controlled to supply power to the target electrical devices that are still turned on.

[0014] In one of the embodiments, the power battery module comprises a power battery, a second voltage conversion module and a charging control module, and the second voltage conversion module is connected with the power supply battery and the various electrical devices respectively.

[0015] The power battery is configured to deliver electrical energy to the second voltage conversion module; the VMM module is further configured to, during the process in which the power supply battery supplies power to the target electrical devices, detect the state of charge (SOC) of the power supply battery in real time, and send a first power supply instruction to the charging control module when detecting that the SOC of the power supply battery is less than or equal to a second preset threshold; and the charging control module is configured to, after receiving the first power supply instruction, control the second voltage conversion module to supply power to the target electrical devices and charge the power supply battery.

[0016] In one embodiment, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; the power battery module comprises a power battery, a second voltage conversion module and a charging control module; the second voltage conversion module is connected with the power supply battery and the various electrical devices respectively, wherein,

[0017] The vehicle-mounted solar photovoltaic panel is configured to convert solar energy into electric energy and transmit the electric energy to the MPPT control module; the MPTT control module is configured to transmit the received electric energy to the first voltage conversion module; the power battery is configured to transmit electric energy to the second voltage conversion module; when the VMM module detects that the vehicle enters a driving state, the VMM module sends a second power supply instruction to the logic control module and the charging control module respectively; the logic control module is configured to control the first voltage conversion module to supply power to each third electrical device that is turned on in the driving state after receiving the second power supply instruction; the charging control module is configured to control the second voltage conversion module to supply power to each third electrical device that is turned on in the driving state after receiving the second power supply instruction.

[0018] In one embodiment, the first voltage conversion module comprises a plurality of voltage output ports, and the power supply battery and the various electrical devices on the vehicle are connected to voltage output ports of corresponding voltage levels.

[0019] In one embodiment, the second voltage conversion module comprises a plurality of voltage output ports, and the power supply battery and the various electrical devices on the vehicle are connected to voltage output ports of corresponding voltage levels.

[0020] In a second aspect, the application further provides a vehicle, comprising a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are connected in sequence.

[0021] The vehicle-mounted solar photovoltaic panel is configured to convert solar energy into electric energy and transmit the electric energy to the solar power supply control module; the solar power supply control module is configured to supply power to the power supply load module and the power battery module when the received electric energy is sufficient; and the power battery module is configured to supply power to the power supply load module when the power supply load module is in a power deficit state.

[0022] The vehicle-mounted solar power supply system and the vehicle, comprising: a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are sequentially connected; the vehicle-mounted solar photovoltaic panel is used for converting solar energy into electric energy and transmitting the electric energy to the solar power supply control module; the solar power supply control module is used for supplying power to the power supply load module and the power battery module in the case of sufficient received electric energy; the power battery module is used for supplying power to the power supply load module in the case of power shortage of the power supply load module. By using the vehicle-mounted solar photovoltaic panel to supply power to the automobile, the electric balance power consumption and the static power consumption of the vehicle can be met. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings needed to be used in the description of the embodiments of the present application or the related art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1 The structural block diagram of the vehicle-mounted solar power supply system in an embodiment;

[0025] Figure 2 The structural block diagram of the solar power supply control module and the power supply load module in an embodiment;

[0026] Figure 3 The structural block diagram of the power supply load module and the power battery module in an embodiment. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0028] In an embodiment, as shown in Figure 1 A vehicle-mounted solar power supply system is provided, comprising: a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are sequentially connected;

[0029] The vehicle-mounted solar photovoltaic panel is used to convert solar energy into electric energy and deliver the electric energy to the solar power supply control module; the solar power supply control module is used to supply power to the power supply load module and the power battery module when the received electric energy is sufficient; the power battery module is used to supply power to the power supply load module when the power supply load module is in power shortage.

[0030] The vehicle-mounted solar photovoltaic panel is arranged in the areas such as the sunroof, front and rear cabin covers, doors and glass of the vehicle.

[0031] The sufficient electric energy refers to that the solar photovoltaic panel can absorb solar energy and convert it into electric energy when the vehicle is driving under the sun; and the solar photovoltaic panel cannot absorb solar energy when the vehicle is in indoor or basement, etc., at which time the electric energy is insufficient.

[0032] Optionally, the power shortage of the power supply load module can be caused by the fact that the solar photovoltaic panel cannot generate electric energy when the vehicle is in indoor or basement.

[0033] For example, the vehicle-mounted solar photovoltaic panel arranged in the areas such as the sunroof, front and rear cabin covers, doors and glass of the vehicle absorbs solar energy, converts the solar energy into electric energy, delivers the electric energy to the solar power supply control module; the solar power supply control module supplies power to the power supply load module and the power battery module when the received electric energy is sufficient; the power battery module is used to supply power to the power supply load module when the power supply load module is in power shortage.

[0034] The above vehicle-mounted solar power supply system and vehicle comprise a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are connected in sequence; the vehicle-mounted solar photovoltaic panel is used to convert solar energy into electric energy and deliver the electric energy to the solar power supply control module; the solar power supply control module is used to supply power to the power supply load module and the power battery module when the received electric energy is sufficient; the power battery module is used to supply power to the power supply load module when the power supply load module is in power shortage. By using the vehicle-mounted solar photovoltaic panel to supply power to the vehicle, the electric balance power consumption and static power consumption of the vehicle can be met.

[0035] In an exemplary embodiment, as shown in FIG. 1, the vehicle-mounted solar power supply system comprises a vehicle-mounted solar photovoltaic panel 1, a solar power supply control module 2, a power supply load module 3 and a power battery module 4. Figure 2As shown, the solar power supply control module comprises: a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical equipment on the vehicle; the first voltage conversion module is connected with the power supply battery and each electrical equipment respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; wherein,

[0036] The vehicle-mounted solar photovoltaic panel is used to deliver the converted electrical energy to the MPPT control module; the MPPT control module is used to deliver the received electrical energy to the first voltage conversion module; the VMM module is used to, when detecting that the vehicle enters a dormant state, judge whether the electrical energy provided by the first voltage conversion module to the first electrical equipment turned on in the dormant state meets the power consumption demand of the first electrical equipment; if yes, send a first voltage control instruction to the logic control module; if not, control the power supply battery to supply power to the first electrical equipment; the logic control module is used to, after receiving the first voltage control instruction, control the first voltage conversion module to charge the power supply battery.

[0037] Among them, the maximum power point tracking (MPPT) control module is an advanced power regulation technology that can detect the power generation voltage of the solar panel in real time and track the highest voltage and current value to make the system output with maximum power.

[0038] The vehicle mode management (VMM) module is a key component in the automotive electronic system, which is responsible for dividing the vehicle into different modes according to different states of the vehicle and use scenarios of the user, and managing the availability of functions and energy distribution in these modes.

[0039] Optionally, the first voltage conversion module is a DCDC conversion unit; the power supply battery is a medium-low voltage battery; the first electrical equipment is the electrical equipment required for the corresponding functions of the vehicle in the dormant state, including: the corresponding electrical equipment for functions such as suspension system height adjustment, key proximity wake-up / unlock and welcome / remote control.

[0040] Among them, DCDC usually refers to a direct current to direct current converter, which is a power conversion device used to convert one direct current voltage to another different direct current voltage. In this conversion process, the DCDC converter does not change the unit of voltage, and the unit of voltage is still volt (V).

[0041] The solar power supply control module includes a maximum power point tracking (MPPT) control module, a DC / DC conversion unit and a logic control module. The vehicle-mounted solar photovoltaic panel, the MPPT control module and the DC / DC conversion unit are sequentially connected. The logic control module is connected with the DC / DC conversion unit. The power supply load module includes a low-voltage battery and various electrical equipment on the vehicle. The DC / DC conversion unit is connected with the power supply battery and the various electrical equipment respectively. The vehicle-mounted solar power supply system further includes a vehicle mode management (VMM) module. The vehicle-mounted solar photovoltaic panel is configured to deliver converted electrical energy to the MPPT control module. The MPPT control module is configured to deliver received electrical energy to the DC / DC conversion unit. When the VMM module detects that the vehicle enters a sleep state, it is determined whether the electrical energy provided by the DC / DC conversion unit to the first electrical equipment turned on in the sleep state meets the power consumption requirement of the first electrical equipment. If yes, the DC / DC conversion unit is controlled to transmit the electrical energy generated by the solar photovoltaic panel to the first electrical equipment for power supply, and a first voltage control instruction is sent to the logic control module. If no, the low-voltage battery is controlled to supply power to the first electrical equipment. The logic control module is configured to control the DC / DC conversion unit to charge the low-voltage battery after receiving the first voltage control instruction.

[0042] In the embodiment, in the case that the solar photovoltaic panel can generate sufficient electrical energy, the electrical energy generated by the solar photovoltaic panel is used to supply power to the first electrical equipment, which can effectively maintain part of the electrical consumption required by the vehicle and reserve the electrical quantity of the low-voltage battery.

[0043] In an example embodiment, the VMM module is further configured to detect the state of charge (SOC) of the power supply battery in real time during the charging process of the power supply battery by the first voltage conversion module, and send a second voltage control instruction to the logic control module when the SOC of the power supply battery is greater than or equal to a first preset threshold. The logic control module is configured to control the first voltage conversion module to charge the power battery in the power battery module after receiving the second voltage control instruction.

[0044] The SOC is the state of charge, which represents the electrical quantity of the battery.

[0045] Optionally, the first preset threshold can be 90%.

[0046] The VMM module is also configured to detect the state of charge (SOC) of the low-voltage battery in real time during charging of the low-voltage battery by the DCDC unit, and send a second voltage control instruction to the logic control module when the SOC of the low-voltage battery is greater than or equal to 90%.

[0047] In this embodiment, the solar photovoltaic panel can charge the low-voltage battery and the power battery, thereby effectively ensuring the power of the low-voltage battery and the power battery.

[0048] In one example embodiment, as shown in Figure 3 The power battery module includes a power battery, a second voltage conversion module and a charging control module, and the second voltage conversion module is connected to the power supply battery and each electrical device.

[0049] The power battery is configured to supply power to the second voltage conversion module. The VMM module is also configured to detect the SOC of the power supply battery in real time during power supply of the first electrical device by the power supply battery, and send an intelligent power compensation instruction to the charging control module when the SOC of the power supply battery is less than or equal to a second preset threshold. The charging control module is configured to control the second voltage conversion module to charge the power supply battery after receiving the intelligent power compensation instruction.

[0050] Optionally, the second preset threshold can be 50%, and the second voltage conversion module can be a high-voltage DCDC.

[0051] The power battery module includes a power battery, a high-voltage DCDC and a charging control module, and the high-voltage DCDC is connected to the power supply battery and each electrical device.

[0052] The power battery is configured to supply power to the high-voltage DCDC. The VMM module is also configured to detect the SOC of the power supply battery in real time during power supply of the first electrical device by the power supply battery, and send an intelligent power compensation instruction to the charging control module when the SOC of the power supply battery is less than or equal to 50%. The charging control module is configured to control the high-voltage DCDC to charge the low-voltage battery after receiving the intelligent power compensation instruction.

[0053] In this embodiment, when the power of the low-voltage battery is less than 50% without light, the low-voltage battery can be intelligently compensated by the power battery in the vehicle, so that the low-voltage battery always has power.

[0054] In an exemplary embodiment, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module.

[0055] The vehicle-mounted solar photovoltaic panel is configured to deliver converted electrical energy to the MPPT control module; the MPPT control module is configured to deliver received electrical energy to the first voltage conversion module; the VMM module is configured to, when detecting that the vehicle enters a locked state, determine whether the electrical energy provided by the first voltage conversion module to each second electrical device that is turned on in the locked state meets the power consumption requirement of the second electrical device; if yes, the first voltage conversion module continues to provide electrical energy to the second electrical device; if not, some second electrical devices are turned off, and the power supply battery is controlled to supply power to a target electrical device that is still turned on.

[0056] Exemplarily, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module.

[0057] The vehicle-mounted solar photovoltaic panel is configured to deliver converted electrical energy to the MPPT control module; the MPPT control module is configured to deliver received electrical energy to the first voltage conversion module; the VMM module is configured to, when detecting that the vehicle enters a locked state, determine whether the electrical energy provided by the first voltage conversion module to each second electrical device that is turned on in the locked state meets the power consumption requirement of the second electrical device; if yes, the first voltage conversion module continues to provide electrical energy to the second electrical device; if not, some second electrical devices are turned off, and the power supply battery is controlled to supply power to a target electrical device that is still turned on.

[0058] Optionally, the second electrical device can be a corresponding vehicle-mounted device with functions such as sentry, summer air conditioner fan ventilation, winter seat heating, and air purification.

[0059] In the embodiment, when the solar photovoltaic panel generates sufficient electric energy in the case of locking the vehicle, the electrical device with the corresponding function is kept on, and when the solar photovoltaic panel generates insufficient electric energy, the middle-low voltage battery is used for power supply and part of the electrical device is turned off, so that the electric quantity of the middle-low voltage battery can be effectively saved.

[0060] In an exemplary embodiment, the power battery module comprises: a power battery, a second voltage conversion module, and a charging control module, the second voltage conversion module is connected with the power supply battery and each electrical device respectively;

[0061] The power battery is used for delivering electric energy to the second voltage conversion module; the VMM module is further used for detecting the SOC of the power supply battery in real time during the process that the power supply battery supplies power to the target electrical device, and sending a first power supply instruction to the charging control module when it is detected that the SOC of the power supply battery is less than or equal to a second preset threshold; the charging control module is used for controlling the second voltage conversion module to supply power to the target electrical device and charging the power supply battery after receiving the first power supply instruction.

[0062] Exemplarily, the power battery module comprises: a power battery, a high-voltage DCDC, and a charging control module, the high-voltage DCDC is connected with the middle-low voltage battery and each electrical device respectively;

[0063] The power battery is used for delivering electric energy to the high-voltage DCDC; the VMM module is further used for detecting the SOC of the middle-low voltage battery in real time during the process that the middle-low voltage battery supplies power to the target electrical device, and sending a first power supply instruction to the charging control module when it is detected that the SOC of the middle-low voltage battery is less than or equal to 50%; the charging control module is used for controlling the high-voltage DCDC to supply power to the target electrical device and charging the middle-low voltage battery after receiving the first power supply instruction.

[0064] In the embodiment, in the case of no light, when the electric quantity of the middle-low voltage battery is less than 50%, the middle-low voltage battery is intelligently recharged by the power battery in the vehicle, and the electrical device is powered, so that the middle-low voltage battery can keep the electric quantity and ensure the normal work of the electrical device in the vehicle.

[0065] In one example embodiment, the solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are connected in sequence; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; the power battery module comprises a power battery, a second voltage conversion module and a charging control module; the second voltage conversion module is connected with the power supply battery and the various electrical devices respectively, wherein,

[0066] The vehicle-mounted solar photovoltaic panel is configured to deliver converted electrical energy to the MPPT control module; the MPPT control module is configured to deliver received electrical energy to the first voltage conversion module; the power battery is configured to deliver electrical energy to the second voltage conversion module; when the VMM module detects that the vehicle enters a driving state, the VMM module sends a second power supply instruction to the logic control module and the charging control module respectively; the logic control module is configured to control the first voltage conversion module to supply power to each third electrical device that is turned on in the driving state after receiving the second power supply instruction; the charging control module is configured to control the second voltage conversion module to supply power to each third electrical device that is turned on in the driving state after receiving the second power supply instruction.

[0067] Optionally, the third electrical device is an electrical device required to be used during vehicle driving, including a vehicle-mounted air conditioner, a vehicle-mounted refrigerator and the like.

[0068] For example, the logic control module is connected with the DCDC conversion unit; the power supply load module comprises a medium-low voltage battery and various electrical devices on the vehicle; the DCDC conversion unit is connected with the medium-low voltage battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; the power battery module comprises a power battery, a high-voltage DCDC and a charging control module; the high-voltage DCDC is connected with the medium-low voltage battery and the various electrical devices respectively, wherein,

[0069] The solar photovoltaic panel on the vehicle is used to deliver the converted electric energy to the MPPT control module; the MPPT control module is used to deliver the received electric energy to the DCDC conversion unit; the power battery is used to deliver electric energy to the high-voltage DCDC module; when the VMM module detects that the vehicle enters the driving state, the second power supply instruction is sent to the logic control module and the charging control module respectively; the logic control module is used to control the DCDC conversion unit to supply power to the electrical equipment such as the vehicle-mounted air conditioner and the vehicle-mounted refrigerator which are turned on in the driving state after receiving the second power supply instruction; the charging control module is used to control the high-voltage DCDC to supply power to the electrical equipment such as the vehicle-mounted air conditioner and the vehicle-mounted refrigerator which are turned on in the driving state after receiving the second power supply instruction.

[0070] In the embodiment, when the solar photovoltaic panel generates sufficient electric energy in the driving state of the vehicle, the electric energy generated by the solar photovoltaic panel is used to supply power to the electrical equipment on the vehicle in the driving process, so that the electric quantity of the power battery and the middle-low voltage battery can be saved.

[0071] In an exemplary embodiment, the first voltage conversion module includes a plurality of voltage output ports, and the power supply battery and each electrical equipment on the vehicle are connected to the voltage output ports of corresponding voltage levels.

[0072] Exemplarily, the DCDC conversion unit includes a plurality of voltage output ports, and the middle-low voltage battery and each electrical equipment on the vehicle are connected to the voltage output ports of corresponding voltage levels of the DCDC conversion unit.

[0073] In the embodiment, the voltage is converted into the voltage level required by each electrical equipment and the middle-low voltage battery through the DCDC conversion unit, so that the electrical equipment and the middle-low voltage battery can be conveniently supplied with power.

[0074] In an exemplary embodiment, the second voltage conversion module includes a plurality of voltage output ports, and the power supply battery and each electrical equipment on the vehicle are connected to the voltage output ports of corresponding voltage levels.

[0075] Exemplarily, the high-voltage DCDC includes a plurality of voltage output ports, and the middle-low voltage battery and each electrical equipment on the vehicle are connected to the voltage output ports of corresponding voltage levels of the high-voltage DCDC.

[0076] In the embodiment, the voltage is converted into the voltage level required by each electrical equipment and the middle-low voltage battery through the high-voltage DCDC, so that the electrical equipment and the middle-low voltage battery can be conveniently supplied with power, and the power battery can be charged.

[0077] In an exemplary embodiment, a vehicle is provided, which includes the vehicle-mounted solar power supply system described in the above embodiments.

[0078] Any combination of the technical features in the above embodiments can be made. For the sake of brevity, the foregoing description has not described all possible combinations of the technical features in the above embodiments. However, as long as the combination of the technical features does not contradict, it should be considered within the scope of the present application.

[0079] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A vehicle-mounted solar power supply system, characterized in that, The vehicle-mounted solar power supply system comprises a vehicle-mounted solar photovoltaic panel, a solar power supply control module, a power supply load module and a power battery module; the vehicle-mounted solar photovoltaic panel, the solar power supply control module, the power supply load module and the power battery module are sequentially connected; The vehicle-mounted solar photovoltaic panel is used for converting solar energy into electric energy and transmitting the electric energy to the solar power supply control module; the solar power supply control module is used for supplying power to the power supply load module and the power battery module when the received electric energy is sufficient; the power battery module is used for supplying power to the power supply load module when the power supply load module is in power shortage; The solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are sequentially connected; the logic control module and the first voltage conversion module are connected; the power supply load module comprises a power supply battery and various electrical devices on the vehicle; the first voltage conversion module is connected with the power supply battery and the various electrical devices respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; The vehicle-mounted solar photovoltaic panel is used for converting solar energy into electric energy and transmitting the electric energy to the solar power supply control module; the solar power supply control module is used for supplying power to the power supply load module and the power battery module when the received electric energy is sufficient; the power battery module is used for supplying power to the power supply load module when the power supply load module is in power shortage; The VMM module is used for judging whether the electric energy provided by the first voltage conversion module to the first electrical device turned on in the sleep state meets the power consumption demand of the first electrical device when the vehicle enters the sleep state; if yes, a first voltage control instruction is sent to the logic control module; if not, the power supply battery is controlled to supply power to the first electrical device; The logic control module is used for controlling the first voltage conversion module to charge the power supply battery after receiving the first voltage control instruction.

2. The system of claim 1, wherein, The VMM module is further used for detecting the state of charge (SOC) of the power supply battery in real time during the charging process of the power supply battery by the first voltage conversion module, and sending a second voltage control instruction to the logic control module when the SOC of the power supply battery is greater than or equal to a first preset threshold; The logic control module is used for controlling the first voltage conversion module to charge the power battery in the power battery module after receiving the second voltage control instruction.

3. The system of claim 1, wherein, The power battery module comprises a power battery, a second voltage conversion module and a charging control module; the second voltage conversion module is connected with the power supply battery and the various electrical devices respectively; The power battery is used for transmitting electric energy to the second voltage conversion module; The VMM module is further used for detecting the SOC of the power supply battery in real time during the power supply process of the first electrical device by the power supply battery, and sending an intelligent power compensation instruction to the charging control module when the SOC of the power supply battery is less than or equal to a second preset threshold; The charging control module is configured to control the second voltage conversion module to charge the power supply battery after receiving the intelligent power supply instruction.

4. The system of claim 1, wherein, The solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are sequentially connected; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and each electrical device on the vehicle; the first voltage conversion module is connected with the power supply battery and each electrical device respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; wherein, The vehicle-mounted solar photovoltaic panel is configured to deliver converted electrical energy to the MPPT control module; the MPPT control module is configured to deliver received electrical energy to the first voltage conversion module. The VMM module is configured to, when detecting that the vehicle enters a locked state, determine whether electrical energy provided by the first voltage conversion module to each second electrical device that is turned on in the locked state meets the power consumption requirement of the second electrical device; if yes, the first voltage conversion module continues to provide electrical energy to the second electrical device; if no, some second electrical devices are turned off, and the power supply battery is controlled to supply power to a target electrical device that is still turned on.

5. The system of claim 4, wherein, The power battery module comprises a power battery, a second voltage conversion module and a charging control module; the second voltage conversion module is connected with the power supply battery and each electrical device respectively; The power battery is configured to deliver electrical energy to the second voltage conversion module; The VMM module is further configured to, during the process in which the power supply battery supplies power to the target electrical device, detect the SOC of the power supply battery in real time, and send a first power supply instruction to the charging control module when detecting that the SOC of the power supply battery is less than or equal to a second preset threshold. The charging control module is configured to control the second voltage conversion module to supply power to the target electrical device and charge the power supply battery after receiving the first power supply instruction.

6. The system of claim 1, wherein, The solar power supply control module comprises a maximum power point tracking (MPPT) control module, a first voltage conversion module and a logic control module; the vehicle-mounted solar photovoltaic panel, the MPPT control module and the first voltage conversion module are sequentially connected; the logic control module is connected with the first voltage conversion module; the power supply load module comprises a power supply battery and each electrical device on the vehicle; the first voltage conversion module is connected with the power supply battery and each electrical device respectively; the vehicle-mounted solar power supply system further comprises a vehicle mode management (VMM) module; the power battery module comprises a power battery, a second voltage conversion module and a charging control module; the second voltage conversion module is connected with the power supply battery and each electrical device respectively, wherein, The vehicle-mounted solar photovoltaic panel is configured to deliver converted electric energy to the MPPT control module; the MPPT control module is configured to deliver received electric energy to the first voltage conversion module; The power battery is configured to deliver electric energy to the second voltage conversion module; When the VMM module detects that the vehicle enters a driving state, the VMM module sends a second power supply instruction to the logic control module and the charging control module respectively; The logic control module is configured to, after receiving the second power supply instruction, control the first voltage conversion module to supply power to each third electrical device that is turned on in the driving state; The charging control module is configured to, after receiving the second power supply instruction, control the second voltage conversion module to supply power to each third electrical device that is turned on in the driving state.

7. The system of any one of claims 1, 4, or 6, wherein, The first voltage conversion module includes a plurality of voltage output ports, and the power supply battery and each electrical device on the vehicle are connected to voltage output ports of corresponding voltage levels.

8. The system of any one of claims 3, 5, or 6, wherein, The second voltage conversion module includes a plurality of voltage output ports, and the power supply battery and each electrical device on the vehicle are connected to voltage output ports of corresponding voltage levels.

9. A vehicle characterized by comprising: The vehicle-mounted solar power supply system according to any one of claims 1-8.

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