WO2019233024A1

WO2019233024A1 - Power supply method and device for automobile air conditioner and automobile photovoltaic air-conditioning system

Info

Publication number: WO2019233024A1
Application number: PCT/CN2018/113171
Authority: WO
Inventors: 潘锐
Original assignee: 汉能移动能源控股集团有限公司
Priority date: 2018-06-05
Filing date: 2018-10-31
Publication date: 2019-12-12
Also published as: CN110571904A

Abstract

A power supply method and device for an automobile air conditioner, an automobile photovoltaic air-conditioning system, a computer-readable storage medium and an electronic device. The power supply method for an automobile air-conditioner comprises: acquiring on/off state data of the air-conditioner and power supply capability data of a photovoltaic cell module; and controlling a source of the power supply for the air-conditioner on the basis of the acquired data.

Description

Power supply method and device for vehicle air conditioner and vehicle-mounted photovoltaic air conditioner system

This application is based on a Chinese patent application with an application number of 201810570134.5 and an application date of 2018.06.05, and claims the priority of the Chinese patent application. The entire content of this Chinese patent application is incorporated herein by reference.

Technical field

The embodiments of the present application relate to, but are not limited to, the technical field of photovoltaic power generation and vehicle air-conditioning, and in particular, to a power supply method and device for a vehicle air-conditioner and a vehicle-mounted photovoltaic air-conditioning system.

Background technique

Vehicle air conditioners generally use fuel and / or low-voltage vehicles to provide energy for them. specifically:

If fuel is used to provide energy for the air conditioner, on the one hand, the fuel consumption is increased, and on the other hand, the car exhaust generated after the fuel is burned will pollute the air; when the vehicle is running, if the fuel is used to provide energy for the air conditioner, the fuel consumption can increase by about 20% , Polluting the environment; using fuel oil to provide energy for air conditioning under vehicle parking idling, increasing pollutant emissions, and European regulations explicitly prohibit idling work of car engines in parking state;

If the vehicle's low-voltage battery is used to provide energy for the air conditioner, due to the limited capacity of the vehicle's low-voltage battery, in order to ensure that the remaining power of the vehicle's low-voltage battery can meet the normal startup of the vehicle, the time of using the air conditioner needs to be limited. Demand for daily use of air conditioners.

Solar energy is a pollution-free renewable energy source that can provide new energy for vehicle air conditioners. However, photovoltaic power generation technology is easily affected by the weather. In the case of insufficient light, the power generated by photovoltaic cell modules cannot meet the work of air conditioning.

Summary of invention

The following is an overview of the topics detailed in this article. This summary is not intended to limit the scope of protection of the claims.

An embodiment of the present application provides a power supply method for a vehicle-mounted air conditioner, including: acquiring switching state data of the air conditioner and power supply capability data of a photovoltaic cell module; and controlling a power supply source of the air conditioner based on the acquired data.

An embodiment of the present application further provides a power supply device for a vehicle air conditioner, including: an air conditioner status acquisition module for acquiring data on / off status of the air conditioner; a capability acquisition module for acquiring power supply capability data of a photovoltaic battery module; a power supply control module, It is used to control the power supply source of the air conditioner based on the data acquired by the air conditioner status acquisition module and the capability acquisition module.

An embodiment of the present application further provides a vehicle-mounted photovoltaic air-conditioning system, including: a photovoltaic cell module charge-discharge controller and an air conditioner, a photovoltaic cell module, and a storage battery electrically connected thereto; the photovoltaic cell module charge-discharge controller includes: DC conversion A module, one end of which is connected to the photovoltaic cell module, and the other end of which is connected to the air conditioner, which is used to convert the power generated by the photovoltaic cell module into electrical energy for the operation of the air conditioner; a battery discharge module is used to convert the battery The electric power is provided to the air conditioner; a battery charging module is configured to store the power generated by the photovoltaic cell module to the battery; a control module includes a processing unit and a storage unit, and a computer program is stored on the storage unit. When the program is executed by the processing unit, the steps of implementing the power supply method of any one of the vehicle-mounted air conditioners described above.

An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the storage medium, and when the computer program is executed by a processor, implements the steps of the power supply method of any one of the vehicle-mounted air conditioners described above.

An embodiment of the present application further provides an electronic device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor. The processor implements the computer program when the processor executes the computer program. The steps of the power supply method for a vehicle-mounted air conditioner according to any one.

After reading and understanding the summary of the drawings and the embodiments of the present application, other aspects can be understood.

Overview of the drawings

FIG. 1 is a schematic diagram of a vehicle-mounted photovoltaic air-conditioning system according to an embodiment of the present application;

2 is a flowchart of steps in an embodiment of a power supply method for a vehicle-mounted air conditioner according to an embodiment of the present application;

3 is a module relationship diagram of an embodiment of a power supply device for a vehicle-mounted air conditioner according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present application.

Elaborate

The embodiments of the present application will be further described in detail below with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the application.

FIG. 1 is a schematic diagram of a vehicle-mounted photovoltaic air-conditioning system according to an embodiment of the present application.

As shown in FIG. 1, in this embodiment, a vehicle-mounted photovoltaic air-conditioning system includes a photovoltaic cell module charge-discharge controller and an air conditioner, a photovoltaic cell module, and a battery that are electrically connected to the controller.

The air conditioner may be an integrated parking air conditioner provided as standard in the vehicle, or an additional air conditioner. The integrated parking air conditioner refers to an air conditioner that is highly integrated and integrally installed with components such as air conditioner fans, condensers, evaporators, compressors, blowers, and dryers.

The photovoltaic cell module is configured to convert light energy into electrical energy. The type of photovoltaic cell module may be any one or more of crystalline silicon photovoltaic cell module, amorphous silicon photovoltaic cell module, copper indium gallium selenium photovoltaic cell module, cadmium telluride photovoltaic cell module, and gallium arsenide photovoltaic cell module. Photovoltaic cell modules can be covered on the roof of the car, or placed on either side of the glass window or roof sunroof.

Among them, the battery includes an energy storage battery and a low-voltage battery. It should be noted that the energy storage battery is used to store the electric energy generated by the excess photovoltaic cell components after the air conditioner is used. The energy storage battery is a battery newly added to the existing technology in order to realize the power supply of the vehicle-mounted photovoltaic air conditioner. Low-voltage batteries are standard maintenance-free low-voltage batteries for vehicles.

Among them, the photovoltaic battery module charge and discharge controller includes: a DC conversion module, a battery discharge module, a battery charge module, and a control module.

One end of the DC conversion module is connected to the photovoltaic cell module and the other end is connected to the air conditioner. The DC conversion module is configured to convert the power generated by the photovoltaic cell module into electrical energy used for the air conditioning operation.

The battery discharge module is configured to provide electric energy of the battery to the air conditioner.

The battery charging module is configured to store the power generated by the photovoltaic cell module to the battery.

The control module includes a processing unit and a storage unit. A computer program is stored on the storage unit, and when the program is executed by the processing unit, at least one of the following is implemented:

Control the power supply source of the air conditioner, and control the charging of the battery by the photovoltaic cell module.

In another embodiment of the vehicle-mounted photovoltaic air-conditioning system of the present application, based on the above embodiment, the charge and discharge controller of the photovoltaic cell module further includes a maximum power point capture module configured to capture a solar maximum power point.

In another embodiment of the vehicle-mounted photovoltaic air-conditioning system of the present application, on the basis of the above embodiment, the vehicle-mounted photovoltaic air-conditioning system further includes: a capability measuring device configured to measure the power supply capability data of the photovoltaic cell module; the capability measurement The power measuring device is arranged at the connection end of the DC conversion module and the air conditioner; the capacity measuring device is communicatively connected with the control module to send the power supply capacity data of the photovoltaic cell module to the control module.

In this embodiment, the capability measurer may be a power measurer that measures output power data of the photovoltaic cell module to the air conditioner, or a voltage measurer that measures output voltage data of the photovoltaic cell module to the air conditioner. Or it may be a light intensity sensor that measures the current light intensity data.

In an exemplary application scenario, the capability measurer is a power measurer that measures the output power data of the photovoltaic cell module to the air conditioner; the power measurer is provided in the connection between the DC conversion module and the air conditioner The power measuring device is communicatively connected with the control module to send the output power data of the photovoltaic cell module to the air conditioner to the control module.

In another embodiment of the vehicle-mounted photovoltaic air-conditioning system of the present application, based on the above embodiment, the vehicle-mounted photovoltaic air-conditioning system further includes: a voltage measuring device configured to measure an output voltage across the battery; the voltage measurement The voltage measuring device may be arranged at both ends of the battery; the voltage measuring device is communicatively connected with the control module to send output voltage data of the two ends of the battery to the control module.

In another embodiment of the vehicle-mounted photovoltaic air-conditioning system of the present application, based on the above embodiment, the vehicle-mounted photovoltaic air-conditioning system further includes: a wireless communication module connected to the control module; and the wireless communication module is configured to set serial data Convert to IP data or convert IP data to serial data. The control module communicates with an external electronic device through the wireless communication module. The external electronic device may be a mobile phone, a server, a computer, or the like. It should be noted that the wireless communication module can be communicatively connected with the photovoltaic cell module charge-discharge controller, and the photovoltaic cell module charge-discharge controller can also be developed to integrate the wireless communication module into the photovoltaic cell module charge-discharge controller. Inside.

In another embodiment of the vehicle-mounted photovoltaic air-conditioning system of the present application, based on the above embodiment, the vehicle-mounted photovoltaic air-conditioning system further includes: a serial port (485) connected to the control module to a controller area network (Controller Area) Network (CAN) module. The control module communicates with the vehicle controller through the 485-to-CAN module, and the 485-to-CAN module is configured to convert the 485-MODBUS communication protocol of the photovoltaic cell module charge and discharge controller into a CAN bus communication protocol of the vehicle control system. It should be noted that the 485-to-CAN module can be communicatively connected with the photovoltaic cell module charge-discharge controller, and the photovoltaic-cell module charge-discharge controller can also be developed to integrate the 485-to-CAN module into the photovoltaic cell module charge-discharge. Inside the controller.

FIG. 2 is a flowchart of steps in an embodiment of a power supply method for a vehicle air conditioner provided by the present application.

As shown in FIG. 2, in this embodiment, the power supply method of the vehicle air conditioner includes the following steps:

Obtain the switching status data of the air conditioner and the power supply capacity data of the photovoltaic cell module;

Control the power source of the air conditioner based on the acquired data.

In this embodiment, the power supply capability data of the photovoltaic cell module includes at least one of the following: output power data of the photovoltaic cell module to the air conditioner, output voltage data of the photovoltaic cell module to the air conditioner, or current light intensity data .

In an embodiment of a power supply method for a vehicle air conditioner provided in this application, based on the above embodiment, if the acquired data meets the following two conditions, the photovoltaic cell module is controlled to supply power to the air conditioner separately. Condition 1: Air conditioner Is in the on state; condition two: the output power of the photovoltaic cell module to the air conditioner reaches a preset power.

In this embodiment, controlling the photovoltaic cell module to supply power to the air conditioner separately means controlling the electrical connection between the air conditioner and the photovoltaic cell module and cutting off the electrical connection between the battery and the air conditioner. It should be noted that a fixed electrical connection between the photovoltaic cell module and the air conditioner may be provided. In this connection mode, it is only necessary to cut off the electrical connection between the battery and the air conditioner.

In an exemplary application scenario, when the lighting conditions are sufficient, the power generation capacity of the photovoltaic cell module can meet the use of the air conditioner, so the photovoltaic cell module can be used to supply power to the air conditioner alone.

In an embodiment of a power supply method for a vehicle air conditioner provided in this application, based on the above embodiment, the method further includes: obtaining an output voltage across the battery. In this embodiment, controlling the power supply source of the air conditioner based on the acquired data includes controlling the power supply source of the air conditioner based on the switching state data of the air conditioner, the output power data of the photovoltaic cell module to the air conditioner, and the output voltage across the battery. Among them, the photovoltaic battery module charge and discharge controller obtains the output voltage across the battery by acquiring data collected by a voltage measuring device provided at both ends of the battery, or obtains the output voltage across the battery by reading a message sent by the vehicle controller.

In this embodiment, if the acquired data satisfies the following three conditions, the photovoltaic cell module and the battery are controlled to supply power to the air conditioner together. Condition one: the air conditioner is on; condition two: the output power of the photovoltaic cell module to the air conditioner Reaching the preset power; condition three: the output voltage across the battery meets the preset high voltage (such as greater than or equal to the preset high voltage).

In this embodiment, controlling the photovoltaic cell module and the storage battery to supply power to the air conditioner means that controlling the air conditioner is electrically connected to the storage battery and the photovoltaic cell module, respectively. When the photovoltaic cell module and the air conditioner adopt a fixed electrical connection, only the battery and the air conditioner need to be electrically connected.

In an exemplary application scenario, when the lighting conditions are insufficient and the power generation capacity of the photovoltaic cell module cannot meet the use of the air conditioner, the photovoltaic cell module and the battery can be used to supply power to the air conditioner together.

In an embodiment of the power supply method for a vehicle-mounted air conditioner provided in this application, based on the above embodiment, the method further includes: acquiring switching state data of an engine. In this embodiment, controlling the power supply source of the air conditioner based on the obtained data includes: controlling the air conditioner based on the switching state data of the air conditioner, the output power data of the photovoltaic cell module to the air conditioner, the output voltage across the battery, and the switching state data of the engine. Power source. Among them, the battery includes an energy storage battery and a low-voltage battery.

In this embodiment, if the acquired data meets the following five conditions, the photovoltaic cell module and the low-voltage battery are controlled to supply power to the air conditioner together. Condition one: the air conditioner is on; condition two: the output power of the photovoltaic cell module to the air conditioner. The preset power has not been reached; condition three: the output voltage across the energy storage battery does not meet the first preset high voltage; condition four: the engine is off; condition five: the output voltage across the low voltage battery meets the second preset high voltage. In one example, if the output voltage across the low-voltage battery is not lower than the second preset high voltage, it means that the remaining power of the low-voltage battery exceeds the minimum voltage at which the vehicle starts.

In this embodiment, controlling the photovoltaic cell module and the low-voltage battery to supply power to the air conditioner includes: controlling the air conditioner to be electrically connected to the low-voltage battery and the photovoltaic cell module, respectively, and cutting off the electrical connection between the air conditioner and the energy storage battery. When the photovoltaic cell module and the air conditioner adopt a fixed electrical connection, it is only necessary to electrically connect the low-voltage battery to the air conditioner and cut off the electrical connection of the air conditioner and the energy storage battery.

In an exemplary application scenario, the power generation of photovoltaic cell modules cannot meet the use of air conditioning, and the remaining power of the energy storage battery is insufficient, but the remaining power of the low-voltage battery exceeds the minimum voltage at which the vehicle starts, and the car's engine is stalled In the state, power can be supplied to the air conditioner through the photovoltaic cell module and the low-voltage battery.

In this embodiment, if the acquired data meets the following five conditions, the electrical connection between the low-voltage battery and the air conditioner is cut off. Condition one: the air conditioner is on; condition two: the output power of the photovoltaic cell module to the air conditioner does not reach the preset power; condition three: the output voltage across the energy storage battery does not meet the first preset high voltage; condition four: the engine is off Condition five: The output voltage across the low-voltage battery does not meet the second preset high voltage (eg, lower than the second preset high voltage).

In this embodiment, the premise of cutting off the electrical connection between the low-voltage battery and the air conditioner is that the photovoltaic cell module and the low-voltage battery are already connected to the air conditioner.

In an exemplary application scenario, the power generation of photovoltaic cell modules cannot meet the use of air conditioning, the remaining power of energy storage batteries is insufficient, and the remaining power of low-voltage batteries is not rich. At this time, in order to ensure that the low-voltage batteries can meet the vehicle To start, you need to cut off the electrical connection between the low-voltage battery and the air conditioner. In another example, in a state where the low-voltage battery is connected to the air conditioner, as long as the output voltage across the low-voltage battery does not meet the second preset high voltage, the electrical connection between the low-voltage battery and the air conditioner is cut off to ensure that the engine of the car can function normally. start up.

In this embodiment, if the acquired data meets the following four conditions, the electrical connection between the photovoltaic cell module and the energy storage battery and the air conditioner is cut off. Condition one: the air conditioner is on; condition two: the pair of photovoltaic cell components The output power of the air conditioner does not reach the preset power; condition three: the output voltage across the energy storage battery does not meet the first preset high voltage; condition four: the engine of the car is on fire, at this time, you can control the air conditioner through the car generator Power supply, and continuously detect whether the output power of the photovoltaic cell module to the air conditioner reaches the preset power or whether the output voltage across the energy storage battery meets the first preset high voltage, and when the output power of the photovoltaic cell module to the air conditioner reaches the preset power Or when the output voltage across the energy storage battery meets the first preset high voltage, it is switched to supply power to the air conditioner through the photovoltaic cell component, or to supply power to the air conditioner through the photovoltaic cell component and the low-voltage battery.

In an embodiment of a power supply method for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the method further includes controlling a photovoltaic cell module based on switching state data of the air conditioner and output voltage data across a battery. Charge the battery.

In this embodiment, if the acquired data meets the following two conditions; then the photovoltaic cell module is controlled to charge the battery. Condition one: the air conditioner is turned off; condition two: the output voltage across the battery is lower than the preset low voltage.

In an exemplary application scenario, when the air conditioner is not in use, the electrical energy generated by the photovoltaic cell module needs to be stored in case the power generation capacity of the photovoltaic cell module cannot meet the condition of the air conditioner, and the battery is used to power the air conditioner. .

In an embodiment of the power supply method for a vehicle air conditioner provided in the present application, based on the above embodiment, the method further includes: acquiring switching state data of the engine; and controlling the charging of the battery by the photovoltaic cell module based on the acquired data. The steps include: controlling the charging of the battery by the photovoltaic cell module based on the switching state data of the air conditioner, the output voltage data across the battery, and the switching state data of the engine. Among them, the battery includes an energy storage battery and a low-voltage battery.

In this embodiment, if the acquired data meets the following three conditions, the photovoltaic cell module is controlled to stop working. Condition one: the air conditioner is turned off; condition two: the output voltage across the energy storage battery is not lower than the first preset low voltage; condition three: the state of the engine is on fire. In an example, if the output voltage across the energy storage battery is not lower than the first preset low voltage, it indicates that the energy of the energy storage battery is full.

In an exemplary application scenario, when the air conditioner is not in use, the engine is on fire, and the energy storage battery is fully charged, in order to avoid wasted power generated by the photovoltaic cell module, it is necessary to stop the operation of the photovoltaic cell module.

In this embodiment, if the acquired data meets the following three conditions, the photovoltaic cell module is controlled to charge the low-voltage battery. Condition 1: The air conditioner is turned off; Condition 2: The output voltage across the energy storage battery is not lower than the first preset low voltage; Condition 3: The state of the engine is stalled; Condition 4: The output voltage of the low-voltage battery is lower than the second Preset low voltage. In an example, if the output voltage of the low-voltage battery is lower than the second preset low voltage, it indicates that the low-voltage battery is not fully charged.

It should be noted that the preset low voltage described in this application is not necessarily smaller than the preset high voltage described in this application, and the first preset low voltage is not necessarily smaller than the first preset high voltage described in this application. The second preset low voltage is not necessarily smaller than the second preset high voltage described in this application.

In an exemplary application scenario, when the air conditioner is not used, the engine is turned off, and the energy storage battery is full, but the low-voltage battery is not full, in order to avoid wasting power generated by the photovoltaic cell module, the power generation and storage of the photovoltaic cell module may be stored. To low voltage battery.

In the description of this application, it should be noted that the terms “first” and “second” are only used for the purpose of distinguishing description objects, and cannot be understood as indicating or implying relative importance.

In a thirteenth embodiment of the power supply method for a vehicle-mounted air conditioner provided in the present application, based on the tenth embodiment, if the acquired data meets the following three conditions, the photovoltaic cell module is controlled to stop working. Condition one: the air conditioner is turned off; condition two: the output voltage across the energy storage battery is not lower than the first preset low voltage; condition three: the state of the engine is stalled; condition four: the output voltage of the low-voltage battery is not lower than the first Two preset low voltages.

In an exemplary application scenario, when the air conditioner is not used, the engine is turned off, and the energy storage battery and the low-voltage battery are fully charged, in order to avoid waste of power generated by the photovoltaic cell module, it is necessary to stop the operation of the photovoltaic cell module.

FIG. 3 is a module relationship diagram of an embodiment of a power supply device for a vehicle air conditioner provided in the present application.

As shown in FIG. 3, the power supply device of the vehicle-mounted air conditioner includes an air conditioner status acquisition module, a capability acquisition module, and a power supply control module.

The air conditioner status acquisition module is configured to acquire the on / off status data of the air conditioner. The capability acquisition module is configured to acquire power supply capability data of a photovoltaic cell module. The power supply control module is configured to control the power supply source of the air conditioner based on the data acquired by the air conditioner status acquisition module and the capability acquisition module.

In this embodiment, the capability acquisition module may be a power measuring device configured to measure the output power data of the photovoltaic cell module to the air conditioner, or may be a power measuring device configured to measure the output voltage data of the photovoltaic cell module to the air conditioner. Or a light intensity sensor configured to measure the current light intensity data.

In an embodiment of the power supply device for a vehicle air conditioner provided in the present application, based on the above embodiment, the power supply control module is set to be when the air conditioner is on and the output power of the photovoltaic cell module to the air conditioner reaches a preset power At that time, control the photovoltaic cell module to supply power to the air conditioner separately.

In an embodiment of the power supply device for a vehicle air conditioner provided in this application, based on the above embodiment, the power supply device further includes: a voltage acquisition module configured to acquire an output voltage across the battery; the power supply control module further It is set to control the power supply source of the air conditioner based on the data obtained by the air conditioner state acquisition module, the capability acquisition module, and the voltage acquisition module.

In an embodiment of the power supply device for a vehicle air conditioner provided in the present application, based on the above embodiment, the power supply control module is configured to set the output power of the photovoltaic cell module to the air conditioner when the air conditioner is on, When the power and the output voltage across the battery meet a preset high voltage, the photovoltaic cell module and the battery are controlled to supply power to the air conditioner together.

In an embodiment of the power supply device for a vehicle air conditioner provided in the present application, based on the above embodiment, the power supply device further includes: an engine state acquisition module configured to acquire engine switching state data; and the power supply control module It is also configured to control the power supply source of the air conditioner based on the data acquired by the air conditioner state acquisition module, the capability acquisition module, the voltage acquisition module, and the engine state acquisition module. The battery includes an energy storage battery and a low-voltage battery.

In an embodiment of the power supply device for a vehicle air conditioner provided in this application, based on the above embodiment, the power supply control module is configured to output power of the photovoltaic cell module to the air conditioner when the air conditioner is in an on state. When the preset power is not reached, when the output voltage across the energy storage battery does not meet the first preset high voltage, when the engine is turned off, and when the output voltage across the low voltage battery meets the second preset high voltage, the photovoltaic system is controlled. The battery pack and low-voltage battery supply power to the air conditioner together.

In an embodiment of the power supply device for a vehicle air conditioner provided in this application, based on the above embodiment, the power supply control module is configured to output power of the photovoltaic cell module to the air conditioner when the air conditioner is in an on state. When the preset power is not reached, when the output voltage across the energy storage battery does not satisfy the first preset high voltage, when the engine is in a stalled state, and when the output voltage across the low voltage battery does not meet the second preset high voltage, Cut off the electrical connection between the low-voltage battery and the air conditioner.

In an embodiment of the power supply device for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the power supply device further includes a charging control module configured to be obtained based on the air conditioner status acquisition module and the voltage acquisition module. The data controls the charging of the battery by the photovoltaic cell module.

In an embodiment of the power supply device for a vehicle air conditioner provided in the present application, based on the above embodiment, the charging control module is configured to be in a state where the air conditioner is turned off and an output voltage across the battery is lower than a predetermined value. When a low voltage is set, the photovoltaic cell module is controlled to charge the battery.

In an embodiment of the power supply device for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the engine state acquisition module is configured to acquire engine switching state data; the charge control module is further configured to be based on the air conditioner. The data obtained by the state acquisition module, the voltage acquisition module, and the engine state acquisition module control the charging of the battery by the photovoltaic cell module. The battery includes an energy storage battery and a low-voltage battery.

In an embodiment of the power supply device for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the charging control module is set to prevent the output voltage across the energy storage battery from being switched off when the air conditioner is in an off state. When the voltage is lower than the first preset low voltage and the state of the engine is a fire state, the photovoltaic cell module is controlled to stop working.

In an embodiment of the power supply device for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the charging control module is set to prevent the output voltage across the energy storage battery from being switched off when the air conditioner is in an off state. When the state of the engine is lower than the first preset low voltage, and the output voltage of the low-voltage battery is lower than the second preset low voltage, the photovoltaic cell module is controlled to charge the low-voltage battery.

In an embodiment of the power supply device for a vehicle-mounted air conditioner provided in the present application, based on the above embodiment, the charging control module is set to prevent the output voltage across the energy storage battery from being switched off when the air conditioner is in an off state. When the voltage is lower than the first preset low voltage, the state of the engine is a stalled state, and the output voltage of the low-voltage battery is not lower than the second preset low voltage, the photovoltaic cell module is controlled to stop working.

FIG. 4 is a schematic diagram of a hardware structure of an electronic device provided by the present application.

As shown in FIG. 4, the present application further provides an electronic device, including: one or more processors and a memory, and one processor is taken as an example in FIG. 4. The processor and the memory may be connected through a bus or other methods. In FIG. 4, the connection through a bus is used as an example.

Those skilled in the art can understand that the structure of the electronic device shown in FIG. 4 does not constitute a limitation on the embodiment of the present application, and it may be a bus-shaped structure or a star-shaped structure, and may include more than shown in the figure. Or fewer components, or some components combined, or different component arrangements.

The processor may be composed of an integrated circuit (Integrated Circuit, IC). For example, the processor may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs connected to the same function or different functions. For example, the processor may include only a central processing unit (CPU), or a CPU, a digital signal processor (DSP), a graphics processing unit (GPU), and various Control chip combination. In the embodiment of the present application, the CPU may be a single operation core, or may include a multiple operation core.

The memory, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs, non-transitory computer course execution programs, and modules, such as program modules corresponding to the power supply device of the vehicle air conditioner in the embodiment of the present application (for example, , The air-conditioning state acquisition module, the capability acquisition module, and the power supply control module shown in FIG. 3). The processor executes various functional applications and data processing of the server by running the non-transitory software programs and modules stored in the memory, that is, the processing method of the embodiment of the power supply method of the vehicle air conditioner described above.

The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system and application programs required for at least one function; in the embodiment of the present application, the operating system may be an Android system, an iOS system, or a Windows operating system and many more. The storage data area can store data created based on the use of the power supply device of the vehicle air conditioner. In addition, the memory may include a high-speed random access memory, and may also include a non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state storage device. In some embodiments, the memory may optionally include a memory remotely set with respect to the processor. Examples of the above network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

This application adopts the common use of photovoltaic cell modules and batteries as the power supply source for air conditioners, and sets a power supply strategy between photovoltaic modules, energy storage batteries, and low-voltage batteries. Under sufficient lighting conditions, the photovoltaic cell modules are individually used as air conditioners. In the case of insufficient lighting conditions, the photovoltaic cell module and the battery are used to supply power to the air conditioner to achieve stable and efficient power supply to the air conditioner, and the service life of the battery and the module can be extended.

It should be understood that the foregoing specific implementation manners of the present application are only used to exemplarily illustrate or explain the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of this application shall be included in the protection scope of this application. Further, the claims appended hereto are intended to cover all changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such ranges and boundaries.

Claims

A power supply method for a vehicle air conditioner includes:

Obtain the switching status data of the air conditioner and the power supply capacity data of the photovoltaic cell module;

Control the power supply source of the air conditioner based on the acquired data.
The method according to claim 1, wherein the power supply capacity data of the photovoltaic cell module includes at least one of the following: output power data of the photovoltaic cell module to an air conditioner, output voltage data of the photovoltaic cell module to an air conditioner, or Current light intensity data.
The method according to claim 2, wherein controlling the power supply source of the air conditioner based on the acquired data comprises: when the air conditioner is on and the output power of the photovoltaic cell module to the air conditioner reaches a preset power, controlling The photovoltaic cell module supplies power to the air conditioner separately.
The method according to claim 2, wherein:

The method further includes: obtaining an output voltage across the battery;

The controlling the power supply source of the air conditioner based on the acquired data includes controlling the power supply source of the air conditioner based on the switching state data of the air conditioner, the output power data of the photovoltaic cell module to the air conditioner, and the output voltage across the battery.
The method according to claim 4, wherein controlling the power supply source of the air conditioner based on the acquired data comprises: when the air conditioner is on, the output power of the photovoltaic cell module to the air conditioner does not reach a preset power and all When the output voltage across the battery meets the preset high voltage, the photovoltaic cell module and the battery are controlled to supply power to the air conditioner together.
The method according to claim 4, wherein:

The method further includes: acquiring switching state data of the engine;

The controlling the power supply source of the air conditioner based on the acquired data includes: based on the switching state data of the air conditioner, the output power data of the photovoltaic cell module to the air conditioner, the output voltage across the battery, and the switching state data of the engine. Power source for air conditioner.
The method according to claim 6, wherein the storage battery comprises an energy storage storage battery and a low voltage storage battery.
The method according to claim 7, wherein controlling the power supply source of the air conditioner based on the acquired data comprises: when the air conditioner is on, the output power of the photovoltaic cell module to the air conditioner does not reach a preset power, When the output voltage across the energy storage battery does not satisfy the first preset high voltage and the engine is in a stalled state, determining whether the output voltage across the low voltage battery meets the second preset high voltage;

When the output voltage across the low-voltage battery meets a second preset high voltage, controlling the photovoltaic cell module and the low-voltage battery to supply power to the air conditioner together;

When the output voltage across the low-voltage battery does not satisfy the second preset high voltage, and the low-voltage battery is electrically connected to the air conditioner, the electrical connection between the low-voltage battery and the air conditioner is cut off.
The method according to claim 4, further comprising:

Based on the switching state data of the air conditioner and output voltage data across the battery, controlling the photovoltaic cell module to charge the battery.
The method according to claim 9, wherein when the air conditioner is in an off state and an output voltage across the battery is lower than a preset low voltage, the photovoltaic cell module is controlled to charge the battery.
The method according to claim 9, wherein:

The method further includes: acquiring switching state data of the engine;

The controlling the charging of a battery by a photovoltaic cell module based on the switching state data of the air conditioner and output voltage data across the battery includes: based on the switching state data of the air conditioner, output voltage data across the battery, and the engine The on-off state data controls the charging of the battery by the photovoltaic cell module.
The method according to claim 11, wherein the battery comprises an energy storage battery and a low voltage battery.
The method according to claim 12, wherein the controlling the charging of the battery by a photovoltaic cell module based on the switching state data of the air conditioner and output voltage data across the battery comprises: when the air conditioner is in an off state, the When the output voltage across the energy storage battery is not lower than the first preset low voltage and the state of the engine is on fire, the photovoltaic cell module is controlled to stop working.
The method according to claim 12, wherein the controlling the charging of the battery by a photovoltaic cell module based on the switching state data of the air conditioner and output voltage data across the battery comprises: when the air conditioner is in an off state, the The output voltage across the energy storage battery is not lower than the first preset low voltage, and the state of the engine is in a stalled state, and it is determined whether the output voltage of the low-voltage battery is lower than the second preset low voltage;

When the output voltage of the low-voltage battery is lower than a second preset low voltage, controlling the photovoltaic cell module to charge the low-voltage battery;

When the output voltage of the low-voltage battery is not lower than a second preset low voltage, the photovoltaic cell module is controlled to stop working.
A power supply device for a vehicle air conditioner includes:

The air conditioner status acquisition module is configured to acquire the on / off status data of the air conditioner;

Capability acquisition module, configured to acquire power supply capability data of photovoltaic cell modules;

The power supply control module is configured to control the power supply source of the air conditioner based on the data acquired by the air conditioner status acquisition module and the capability acquisition module.
The apparatus according to claim 15, further comprising:

A voltage acquisition module configured to acquire an output voltage across the battery;

The power supply control module is further configured to control the power supply source of the air conditioner based on the data obtained by the air conditioner state acquisition module, the capability acquisition module, and the voltage acquisition module.
A vehicle-mounted photovoltaic air-conditioning system, comprising: a photovoltaic cell module charge-discharge controller and an air conditioner, a photovoltaic cell module, and a storage battery electrically connected thereto;

The photovoltaic cell module charge and discharge controller includes:

A DC conversion module, one end of which is connected to the photovoltaic cell module and the other end of which is connected to the air conditioner, and is configured to convert the power generated by the photovoltaic cell module into electrical energy for the air conditioning operation;

A battery discharge module configured to provide electric energy of the battery to the air conditioner;

A battery charging module configured to store the power generated by the photovoltaic cell module to the battery;

The control module includes a processing unit and a storage unit. A computer program is stored on the storage unit, and when the program is executed by the processing unit, the steps of the method according to any one of claims 1 to 14 are implemented.
A computer-readable storage medium stores a computer program on the storage medium, and when the program is executed by a processor, implements the steps of the method according to any one of claims 1 to 14.
An electronic device includes: a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the program, the device according to any one of claims 1 to 14 is implemented. The method steps are described.