CN115150979A - Eddy current heating system, method and vehicle - Google Patents

Abstract

The present disclosure relates to an eddy current heating system, method and vehicle. The system includes: an alternating current generator, a controller and at least one heating assembly, wherein the alternating current generator, the controller and the heating assembly are respectively connected to an external power supply device, The alternating current generator is connected with the controller, and the alternating current generator is connected with the heating component through the heating branch, wherein different heating components correspond to different heating branches; the controller is used for determining the heating from at least one heating component The target heating component is connected to the target heating branch corresponding to the target heating component, the alternating current generator is controlled to output alternating current, and the alternating current is controlled to flow through the target heating component through the target heating branch, so that the target heating component generates heat. In this way, the heating element can generate heat by using the thermal effect generated by the alternating current, so as to realize the heating of the battery of the vehicle or the heating of the air conditioner, and the heating cost is low, so that the energy consumption of the vehicle can be reduced.

Description

Eddy current heating system, method and vehicle

technical field

The present disclosure relates to the technical field of vehicles, and in particular, to an eddy current heating system, method and vehicle.

Background technique

At present, the battery heating and air conditioning heating of electric vehicles usually adopt the PTC (Positive Temperature Coefficient, positive temperature coefficient) water heating method. The ceramic heater is heated by direct current drive, the circulating coolant is heated by the PTC module, and then the electronic water pump is used to heat the circulating coolant. The heated coolant is sent to the cockpit blower or power battery to achieve air conditioning heating and low-temperature heating of the battery cells.

However, the heating speed of the PTC water heating method is relatively slow, and the thermal efficiency is relatively low, resulting in a high heating cost of the vehicle.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present disclosure provides an eddy current heating system, method and vehicle.

In a first aspect, the present disclosure provides an eddy current heating system applied to a vehicle, the system comprising: an alternating current generator, a controller and at least one heating component, the alternating current generator, the controller, the The heating assembly is connected to an external power supply device, the alternating current generator is connected to the controller, and the alternating current generator is connected to the heating assembly through a heating branch, wherein different heating assemblies correspond to Different heating branches;

The controller is used to determine the target heating component to be heated from at least one of the heating components, turn on the target heating branch corresponding to the target heating component, control the alternating current generator to output alternating current, and control the The alternating current flows through the target heating assembly through the target heating branch to cause the target heating assembly to generate heat.

Optionally, the heating branch circuit includes a switch assembly, and the switch assembly is respectively connected with the controller, the power supply device and the heating assembly;

The controller is further configured to control the conduction of the target heating branch through the switch component, and control the alternating current to flow through the target heating component through the target heating branch.

Optionally, the controller is further configured to control the heating branches corresponding to the plurality of heating assemblies in parallel or in series through the switch assembly when there are multiple heating assemblies.

Optionally, the controller is further configured to acquire real-time heating parameters of the vehicle, and send a power control instruction to the alternating current generator according to the real-time heating parameters;

The alternating current generator is further configured to, after receiving the power control instruction sent by the controller, control the alternating current conversion power of the alternating current generator according to the power control instruction, so as to control the The heating power of the heating element.

Optionally, the heating assembly includes a metal heating plate and a high-voltage wiring harness, the high-voltage wiring harness is connected to the alternating current generator, the high-voltage wiring harness is deployed around the metal heating plate, and when the high-voltage wiring harness is connected to an alternating current , an electromagnetic field is generated around the high-voltage wire harness, and the electromagnetic field acts on the metal heating plate to make the metal heating plate generate heat.

Optionally, the alternating current generator includes one or more of a motor controller, an OBC (On board charger, on-board charger) and a control bridge arm of a compressor.

In a second aspect, the present disclosure provides an eddy current heating method applied to a controller of an eddy current heating system of a vehicle, the eddy current heating system comprising: an alternating current generator, a controller and at least one heating component, the alternating current The generator, the controller, and the heating assembly are connected to an external power supply device respectively, the alternating current generator is connected to the controller, and the alternating current generator is connected to the heating assembly through a heating branch connection, wherein different heating assemblies correspond to different heating branches; the method includes:

determining a target heating component to be heated from at least one of the heating components;

Turning on the target heating branch corresponding to the target heating assembly;

controlling the alternating current generator to output alternating current;

The alternating current is controlled to flow through the target heating assembly through the target heating branch, so that the target heating assembly generates heat.

Optionally, the heating assembly includes a metal heating plate and a high-voltage wire harness, the high-voltage wire harness is connected to the alternating current generator, and the high-voltage wire harness is arranged around the metal heating plate; The target heating branch flows through the target heating assembly, so that the target heating assembly generates heat comprising:

Under the condition that the alternating current flows through the target heating component through the target heating branch, when the high-voltage wiring harness is connected to the alternating current, an electromagnetic field is generated around the high-voltage wiring harness, and the electromagnetic field acts on the metal heating plate so that the The metal heating plate generates heat.

Optionally, the heating branch circuit includes a switch component, and the switch component is respectively connected to the controller, the power supply device and the heating component; the target heating branch circuit corresponding to the target heating component is connected to the target heating component. include:

control the conduction of the target heating branch through the switch assembly;

The alternating current is controlled to flow through the target heating assembly through the target heating branch.

In a third aspect, the present disclosure provides a vehicle including the eddy current heating system described in the first aspect above.

Through the above technical solutions, the present disclosure provides an eddy current heating system, method and vehicle, the system includes: an alternating current generator, a controller and at least one heating component, the alternating current generator, the controller, The heating assemblies are respectively connected with external power supply devices, the alternating current generators are connected with the controller, and the alternating current generators are connected with the heating assemblies through heating branches, wherein different heating assemblies corresponding to different heating branches; the controller is used to determine a target heating component to be heated from at least one of the heating components, turn on the target heating branch corresponding to the target heating component, and control the alternating current The generator outputs alternating current, and controls the alternating current to flow through the target heating assembly through the target heating branch, so that the target heating assembly generates heat. In this way, the heating element can generate heat by using the thermal effect generated by the alternating current, so as to realize the heating of the battery of the vehicle or the heating of the air conditioner, and the heating cost is low, thereby reducing the energy consumption of the vehicle.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and together with the following detailed description, are used to explain the present disclosure, but not to limit the present disclosure. In the attached image:

1 is a schematic structural diagram of an eddy current heating system according to an exemplary embodiment;

FIG. 2 is a schematic diagram of a heating assembly according to an exemplary embodiment;

3 is a schematic structural diagram of a second eddy current heating system according to an exemplary embodiment;

FIG. 4 is a schematic structural diagram of a third eddy current heating system according to an exemplary embodiment;

5 is a schematic structural diagram of a fourth eddy current heating system according to an exemplary embodiment;

6 is a schematic structural diagram of a fifth eddy current heating system according to an exemplary embodiment;

FIG. 7 is a circuit diagram of an eddy current heating system according to an exemplary embodiment;

FIG. 8 is a circuit diagram of a second eddy current heating system according to an exemplary embodiment;

FIG. 9 is a circuit diagram of a third eddy current heating system according to an exemplary embodiment;

Fig. 10 is a flow chart showing a method for eddy current heating according to an exemplary embodiment.

Description of reference numerals

100 Eddy Current Heating Systems 101 Alternating Current Generators

102 Controller 103 Heating Component

Detailed ways

The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure, but not to limit the present disclosure.

First, the application scenarios of the present disclosure will be described. At present, electric vehicles can achieve battery heating and air conditioning heating through PTC water heating, heat pump heating and other heating methods. Among them, PTC water heating is heated by direct current driven ceramic heaters, and the circulating coolant is heated through the PTC module, and then passed through The electronic water pump sends the heated coolant to the cockpit blower or power battery to realize air conditioning heating and low-temperature heating of the cell; heat pump heating is based on the electric compressor refrigeration circuit, adding a solenoid valve to control the refrigerant flow, and through evaporation The condenser releases heat to the cab or power battery. However, these two methods have a slower heating speed and lower thermal efficiency, resulting in higher heating costs for the vehicle.

In order to solve the above-mentioned technical problems, the present disclosure provides an eddy current heating system, method and vehicle. The alternating current generator is used to output alternating current. When the alternating current passes through the heating assembly of the vehicle, the heating assembly can generate heat. The thermal effect generated by the alternating current makes the heating components generate heat, which can realize the heating of the battery of the vehicle or the heating of the air conditioner, and the heating cost is low, so that the energy consumption of the vehicle can be reduced.

The present disclosure will be described below with reference to specific embodiments.

FIG. 1 is a schematic structural diagram of an eddy current heating system according to an exemplary embodiment, which is applied to a vehicle. As shown in FIG. 1 , the eddy current heating system 100 may include: an alternating current generator 101 , a controller 102 and at least one The heating assembly 103, the alternating current generator 101, the controller 102, and the heating assembly 103 are respectively connected to an external power supply device, the alternating current generator 101 is connected to the controller 102, and the alternating current generator 101 It is connected to the heating assembly 103 through a heating branch, wherein different heating assemblies 103 correspond to different heating branches;

The controller 102 is configured to determine a target heating component to be heated from at least one heating component 103, turn on the target heating branch corresponding to the target heating component, control the alternating current generator 101 to output alternating current, and control the alternating current The target heating component flows through the target heating branch, so that the target heating component generates heat.

Wherein, different heating assemblies 103 can provide heat for different parts of the vehicle. For example, in the case that the vehicle needs to heat the power battery and the air conditioner, the eddy current heating system can include two heating assemblies 103, and one heating assembly 103 uses For power battery heating, another heating element 103 is used for air conditioning heating. When heating the power battery through the heating assembly 103, the heat can be conducted for the power battery after the heating assembly 103 generates heat. When heating the air conditioner through the heating assembly 103, the existing PTC water heating or PTC air heating can be replaced with the heating assembly 103, For example, in the case of replacing the existing PTC water heating with the heating assembly 103, after the heating assembly 103 generates heat, the cooling water can be heated first, and then the heated cooling water can be sent to the blower through the water pump to heat the passenger compartment .

FIG. 2 is a schematic diagram of a heating assembly according to an exemplary embodiment. As shown in FIG. 2 , the heating assembly 103 may include a metal heating plate and a high-voltage wire harness, and the metal heating plate may be a metal with better magnetic conductivity. The plate, for example, the metal heating plate may be an iron plate around which the high voltage wiring harness is deployed. In the eddy current heating system, the high-voltage wire harness is connected to the alternating current generator 101. In this way, after the alternating current generator 101 outputs alternating current, when the high-voltage wire harness is supplied with alternating current, based on the principle of electromagnetism, around the high-voltage wire harness can be generated. An electromagnetic field is generated. When the electromagnetic field acts on the metal heating plate, based on the principle of magnetoelectricity, an induced current can be generated when the magnetic field lines pass through the metal heating plate. Due to the internal resistance of the metal heating plate, the induced current acts after the metal heating plate. , based on the Joule heating effect, the metal heating plate can generate heat.

The power supply device can be a power battery used to provide electrical energy on the vehicle. The alternating current generator can be a motor controller, an on-board charger OBC, a control bridge arm of a compressor, etc., or it can be realized by a battery self-heating topology. There is no limit to the disclosure. Taking the heating components including battery heating components, air conditioning heating components and other heating components as an example, in the case where the alternating current generator 101 is implemented by the battery self-heating topology, FIG. 3 shows a second type of heating components according to an exemplary embodiment. A schematic structural diagram of the eddy current heating system, as shown in FIG. 3 , the alternating current generator 101 includes a motor controller 102 , a motor, a switch K6 and a capacitor C2 . In the case where the alternating current generator 101 includes a motor controller, FIG. 4 is a schematic structural diagram of a third eddy current heating system according to an exemplary embodiment. As shown in FIG. 4 , the motor controller is connected to the power battery respectively. It is connected to the power distribution module, and the motor is connected to the power distribution module. In the case where the alternating current generator 101 includes an OBC, FIG. 5 is a schematic structural diagram of a fourth eddy current heating system according to an exemplary embodiment. As shown in FIG. 5 , the output and power distribution of the AC side of the OBC Module connection. In the case where the alternating current generator 101 includes an OBC and a motor controller, FIG. 6 is a schematic structural diagram of a fifth eddy current heating system according to an exemplary embodiment. As shown in FIG. 6 , the controller 102 can select The alternating current generator 101 is realized by the output of the AC side of the OBC, and the alternating current generator 101 can also be realized by the three-phase alternating current generated by the electronically controlled driving motor.

It should be noted that the above-mentioned alternators are all existing devices on the vehicle, so that the heating cost of the vehicle can be further reduced. The present disclosure may also use other alternating current generators, which are not limited by the present disclosure.

For example, when the alternating current generator is a motor controller, in the process of starting the vehicle, in order to ensure that the vehicle can start normally and enter the normal driving state quickly, the controller 102 can be used to control the corresponding heating element 103 connected to the motor controller. If the heating branch is disconnected, it is only necessary to connect the power supply device to the motor controller, and the motor controller is used to drive the motor to output torque.

After the vehicle is normally started, the controller 102 can obtain the heating component 103 to be heated. For example, the controller 102 can obtain preset heating configuration information of the vehicle, and the at least one heating element can be obtained from the at least one heating configuration according to the preset heating configuration information. The component 103 determines the target heating component to be heated, and the preset heating configuration information may be the configuration information preset by the driver. For example, when the air conditioner of the vehicle is set to the heating mode, the heating component 103 corresponding to the air conditioner may be determined as Target heating element.

After the target heating component is determined, the target heating branch corresponding to the target heating component can be turned on, and the controller 102 controls the alternating current of the alternating current generator 101 to flow through the target heating component through the target heating branch, so as to The target heating element is made available to generate heat.

Considering that the heating component 103 needs to be switched between two states of on and off, in a possible implementation manner, the heating branch may include a switch component, the switch component is respectively connected with the controller 102, the power supply device and the The heating component 103 is connected, and the controller 102 can control the target heating branch to conduct through the switch component, and control the alternating current to flow through the target heating component through the target heating branch. Wherein, the switch assembly may include at least one switch, and the switch may be a single-pole multi-position switch, or other types of switches, which are not limited in the present disclosure.

In addition, in the case where there are multiple heating components 103 , the target heating components to be heated determined from the at least one heating component 103 may be all the heating components 103 , or may only be a part of the heating components in the at least one heating component 103 . 103 , for example, if the eddy current heating system of the vehicle includes three heating components 103 , and the target heating component to be heated at the current moment is only one heating component 103 of the at least one heating component 103 . In this case, in order to control some of the heating components 103 in the at least one heating component 103 to be turned on, and another part of the heating components 103 to be turned off, or to control all the heating components 103 of the at least one heating component 103 to be turned on, a In a possible implementation manner, the heating branches corresponding to the plurality of heating assemblies 103 may be controlled in parallel or in series through the switch assembly.

In the case where the heating components 103 in the at least one heating component 103 need to be controlled individually, that is, the target heating components are not all heating components 103 of the at least one heating component 103, the heating components corresponding to the plurality of heating components 103 can be controlled through the switch component The branches are connected in parallel. FIG. 7 is a circuit diagram of an eddy current heating system according to an exemplary embodiment. As shown in FIG. 7 , the at least one heating component 103 includes an air conditioner heating component, a battery heating component and other heating components as an example for description. The air conditioning heating branch corresponding to the air conditioning heating assembly includes a switch K2, the battery heating branch corresponding to the battery heating assembly includes a switch K4, and the other heating branch corresponding to the other heating assembly includes a switch K3. One end of the switch K1 is connected to the power supply device, the other end is connected to the alternating current generator 101, one end of the switch K2 is connected to the power supply device, the other end is connected to the air conditioner heating component, one end of the switch K3 is connected to the power supply device, and the other end is connected to other heating components. One end of the switch K4 is connected to the power supply device, and the other end is connected to the battery heating assembly.

During the starting process of the vehicle, the controller 102 can control the switch K2, the switch K3 and the switch K4 to be off, so that the air-conditioning heating branch corresponding to the air-conditioning heating assembly, the battery heating branch corresponding to the battery heating assembly and other heating assemblies corresponding to the The heating branch is disconnected, and the control switch K1 is pulled in, so that the power supply device and the alternating current generator 101 are connected. After the vehicle starts normally, the controller 102 can determine the target heating component to be heated. For example, if it is determined that the target heating component is an air conditioner heating component, the controller 102 can control the switch K2 to turn on and send a start-up signal to the alternating current generator 101 command to control the alternating current generator 101 to convert the direct current output from the power supply device into alternating current, and then control the switch K1 to turn off, so that the alternating current flows through the air conditioner heating assembly through the air conditioner heating branch corresponding to the air conditioner heating assembly.

In the circuit diagram of the eddy current heating system shown in Figure 7, the battery plus branch, the air conditioner heating branch and other heating branches are connected in parallel. Each heating branch will be divided, resulting in poor heating effect of the heating assembly. In this case, two connection modes can be set in the eddy current heating system, that is, the heating branch corresponding to the at least one heating assembly 103 can be in series or in parallel. FIG. 8 is a circuit diagram of a second eddy current heating system according to an exemplary embodiment. As shown in FIG. 8 , the at least one heating component 103 includes an air conditioner heating component, a battery heating component and other heating components as an example for description. , the air-conditioning heating branch corresponding to the air-conditioning heating assembly includes a switch K2 and a switch K4, the battery heating branch corresponding to the battery heating assembly includes a switch K8, and the other heating branches corresponding to the other heating assemblies include a switch K5 and a switch K7. K3 is used to control the AC current to pass through the heating branch of the air conditioner, and the switch K6 is used to control the AC current to pass through the other heating branch.

One end of the switch K1 is connected to the power supply device, the other end is connected to the alternating current generator 101, one end of the switch K2 is connected to the power supply device, the other end is connected to the switch K4, one end of the switch K3 is connected to the alternating current generator 101, and the other end is connected to the switch K6, one end of the switch K4 is connected to the switch K2 and the switch K6 respectively, the other end is connected to the air conditioner heating assembly, one end of the switch K5 is connected to the power supply device, the other end is connected to the switch K7, one end of the switch K6 is connected to the switch K3, and the other end is connected to the battery heating assembly. One end of the switch K7 is connected to the switch K5 and the battery heating component respectively, the other end is connected to other heating components, one end of the switch K8 is connected to the power supply device, and the other end is connected to the battery heating component.

During the starting process of the vehicle, the controller 102 can control the switch K1 to be turned on and other switches to be turned off, so that the air-conditioning heating branch corresponding to the air-conditioning heating assembly, the battery heating branch corresponding to the battery heating assembly and other heating assemblies corresponding to the The heating branch is disconnected, and the power supply device is connected to the alternating current generator 101 . After the vehicle is normally started, the controller 102 may determine the target heating assembly to be heated, and control the switch to be turned on and off according to the target heating assembly.

When the target heating assembly is an air conditioner heating assembly, the switch K2 and the switch K4 can be controlled to be closed, the switch K3, the switch K5, the switch K6, the switch K7 and the switch K8 can be controlled to be disconnected, and the alternating current generator 101 can be controlled to be disconnected. Send a start command to control the alternating current generator 101 to convert the direct current output from the power supply device into alternating current, and then control the switch K1 to turn off, so that the alternating current flows through the air conditioner heating through the air conditioner heating branch corresponding to the air conditioner heating assembly components.

In the case that the target heating component is a battery heating component or other heating components, the control method of the switch is similar to the above-mentioned switching control method of the target heating component being an air conditioner heating component, and will not be repeated here.

When the target component includes an air conditioner heating component, a battery heating component and other heating components, the switch K4, the switch K7 and the switch K8 can be controlled to be closed, and the switch K2, the switch K3, the switch K5 and the switch K6 can be controlled to be off, and the switch K4, the switch K7 and the switch K8 can be controlled to be closed The alternating current generator 101 sends a start instruction to control the alternating current generator 101 to convert the direct current output from the power supply device into alternating current. After that, the switch K1 can be controlled to turn off, so that the alternating current flows through the battery heating branch through the battery heating branch. After the battery is heated, it flows through the other heating assembly through the other heating branch, and finally flows through the air conditioner heating assembly through the air conditioner heating branch, so that the battery heating branch, the other heating branch and the air conditioning heating branch connected in series.

Optionally, FIG. 9 is a circuit diagram of a third eddy current heating system according to an exemplary embodiment. As shown in FIG. 9 , the at least one heating component includes an air conditioner heating component, a battery heating component and other heating components. For example, the air-conditioning heating branch corresponding to the air-conditioning heating assembly includes a switch K2, a switch K4 and a switch K5, the battery heating branch corresponding to the battery heating assembly includes a switch K6, and the other heating branches corresponding to the other heating assemblies include switches. K7, switch K8 and switch K9, the switch K3 is used to control the alternating current to pass through the heating branch of the air conditioner, and the switch K10 is used to control the alternating current to pass through the other heating branch.

One end of the switch K1 is connected to the power supply device, the other end is connected to the alternating current generator 101, one end of the switch K2 is connected to the power supply device, the other end is connected to the switch K5, one end of the switch K3 is connected to the alternating current generator 101, and the other end is connected to the switch K10, one end of the switch K4 is connected to the power supply device, the other end is connected to the air conditioning heating assembly, one end of the switch K5 is connected to the switch K2 and the switch K10 respectively, the other end is connected to the air conditioning heating assembly, one end of the switch K6 is connected to the power supply device, and the other end is connected to the battery heating assembly One end of the switch K7 is connected to the power supply device, the other end is connected to other heating components, one end of the switch K8 is connected to the power supply device, the other end is connected to the switch K9, one end of the switch K9 is connected to the switch K8 and the battery heating component respectively, and the other end is connected to other heating components.

During the starting process of the vehicle, the controller 102 can control the switch K1 to be turned on and other switches to be turned off, so that the air-conditioning heating branch corresponding to the air-conditioning heating assembly, the battery heating branch corresponding to the battery heating assembly and other heating assemblies corresponding to the The heating branch is disconnected, and the power supply device is connected to the alternating current generator 101 . After the vehicle is normally started, the controller 102 may determine the target heating assembly to be heated, and control the switch to be turned on and off according to the target heating assembly.

When the target heating component is an air conditioner heating component, a battery heating component or other heating components, the control mode of the switch is similar to that of the embodiment shown in FIG. 7 and FIG. 8 , and will not be repeated here.

In the case that the target heating assembly includes an air conditioning heating assembly and other heating assemblies, the switch K5, the switch K8 and the switch K9 can be controlled to be closed, and the switch K2, the switch K3, the switch K4, the switch K6 and the switch K7 can be controlled to be disconnected, and the The alternating current generator 101 sends a start instruction to control the alternating current generator 101 to output alternating current, and then the switch K1 can be controlled to turn off, so that the alternating current flows through the other heating branch through the other heating component, and then passes through the other heating components. The air-conditioning heating branch flows through the air-conditioning heating assembly, so that the other heating branch and the air-conditioning heating branch are connected in series.

When the target heating assembly includes an air conditioning heating assembly and other heating assemblies, the switch K3, the switch K4 and the switch K7 can also be controlled to be closed, and the switch K2, the switch K5, the switch K6, the switch K8 and the switch K9 can be controlled to be turned off, Send a start command to the alternating current generator 101 to control the alternating current generator 101 to output alternating current, and then the switch K1 can be controlled to turn off, so that the alternating current flows through the other heating components, The air conditioner heating branch flows through the air conditioner heating assembly, so that the other heating branch and the air conditioner heating branch are connected in parallel.

In the case that the target heating assembly includes an air conditioning heating assembly, a battery heating assembly and other heating assemblies, the switch K6 can be controlled to pull in on the basis that the other heating branch and the air conditioning heating branch are connected in series; On the basis that the other heating branch and the air conditioner heating branch are connected in parallel, the switch K6 and the switch K10 are controlled to be pulled in.

It should be noted that, in the circuit diagram shown in FIG. 9 , in the case that the target heating assembly includes multiple, the controller 102 can select a series or parallel mode through a preset connection relationship according to the target heating assembly. For example, in the case that the preset connection relationship is in series, and in the case that the target heating assembly includes an air conditioner heating assembly and other heating assemblies, the air conditioner heating branch and the other heating branch can be selected according to the preset connection relationship. road in series.

Optionally, the controller 102 is further configured to acquire real-time heating parameters of the vehicle, and send power control instructions to the alternating current generator 101 according to the real-time heating parameters; the alternating current generator 101 is also used to After receiving the power control instruction sent by the controller 102, control the alternating current conversion power of the alternating current generator according to the power control instruction, so as to control the heating power of the heating element. For example, the controller 102 may periodically acquire the real-time heating parameter, and obtain the power corresponding to the real-time heating parameter through a preset power correlation relationship, and the power correlation relationship may include the corresponding relationship between the real-time heating parameter and the power, and then , the power control command can be generated according to the power, and the power control command can be sent to the alternating current generator 101. After receiving the power control command sent by the controller 102, the alternating current generator 101 can The power control command controls the alternating current conversion power.

In addition, the controller 102 is also used to send a stop instruction to the alternating current generator 101 when it is determined to stop heating according to the real-time heating parameter; the alternating current generator 101 is also used to receive the controller 102 After the stop command is sent, the output of AC power is stopped. The real-time heating parameter may include heating temperature. For example, the controller 102 may determine to stop heating when the battery temperature reaches a preset temperature threshold.

Through the above-mentioned eddy current heating system, alternating current is output through the alternating current generator. When the alternating current passes through the heating assembly of the vehicle, the heating assembly can generate heat. The vehicle's battery is heated or the air conditioner is heated, and the heating cost is lower, so that the energy consumption of the vehicle can be reduced. Further, the connection modes of the plurality of heating branches can be controlled by the switches in the heating branches, so that the corresponding connection modes can be selected according to the target heating components, so that the heating effect can be further improved while satisfying the heating demand.

Fig. 10 is a flow chart showing an eddy current heating method according to an exemplary embodiment, the method is applied to a controller of an eddy current heating system of a vehicle, the eddy current heating system includes: an alternating current generator, a controller and at least one A heating assembly, the alternating current generator, the controller, and the heating assembly are respectively connected to an external power supply device, the alternating current generator is connected to the controller, and the alternating current generator is connected to the heating through a heating branch Component connection, wherein different heating components correspond to different heating branches; as shown in Figure 10, the method includes:

S1001. Determine a target heating component to be heated from at least one heating component.

Wherein, the heating assembly may include a metal heating plate and a high-voltage wire harness, the high-voltage wire harness is connected with the alternating current generator, and the high-voltage wire harness is arranged around the metal heating plate.

S1002 , turning on the target heating branch corresponding to the target heating component.

Wherein, the heating branch includes a switch assembly, and the switch assembly is respectively connected with the controller, the power supply device and the heating assembly.

In this step, the switch component can be used to control the conduction of the target heating branch, and the alternating current can be controlled to flow through the target heating component through the target heating branch.

S1003, controlling the alternating current generator to output alternating current.

S1004 , controlling the alternating current to flow through the target heating component through the target heating branch, so that the target heating component generates heat.

In this step, under the condition that the alternating current flows through the target heating component through the target heating branch, when the high-voltage wiring harness is connected to the alternating current, an electromagnetic field is generated around the high-voltage wiring harness, and the electromagnetic field acts on the metal heating plate to make the metal The heating plate is hot.

It should be noted that, for the implementation manner of the foregoing method embodiments, reference may be made to the implementation manner of the eddy current heating system shown in FIG. 1 , which will not be repeated here.

Using the above method, the alternating current generator is used to output alternating current. When the alternating current passes through the heating component of the vehicle, the heating component can generate heat. In this way, the heating component can generate heat by using the thermal effect generated by the alternating current, so as to realize the heating of the vehicle. Battery heating or air conditioning heating, the heating cost is lower, which can reduce the energy consumption of the vehicle.

In yet another exemplary embodiment of the present disclosure, there is provided a vehicle including the eddy current heating system described above.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all fall within the protection scope of the present disclosure. In addition, it should be noted that, the specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner unless they are inconsistent. In order to avoid unnecessary repetition, the present disclosure provides The combination method will not be specified otherwise.

In addition, the various embodiments of the present disclosure can also be arbitrarily combined, as long as they do not violate the spirit of the present disclosure, they should also be regarded as the contents disclosed in the present disclosure.

Claims (10)

1. A vortex heating system for use in a vehicle, the system comprising: the alternating current generator, the controller and the heating assembly are respectively connected with an external power supply device, the alternating current generator is connected with the controller, the alternating current generator is connected with the heating assembly through a heating branch, and different heating assemblies correspond to different heating branches;

the controller is used for determining a target heating assembly to be heated from at least one heating assembly, conducting a target heating branch corresponding to the target heating assembly, controlling the alternating current generator to output alternating current, and controlling the alternating current to flow through the target heating assembly through the target heating branch so as to enable the target heating assembly to generate heat.

2. The system of claim 1, wherein the heating branch comprises a switch assembly, the switch assembly being connected to the controller, the power supply, and the heating assembly, respectively;

the controller is further configured to control the target heating branch to be conducted through the switch assembly, and control the alternating current to flow through the target heating assembly through the target heating branch.

3. The system of claim 2,

the controller is further used for controlling the heating branches corresponding to the heating assemblies to be connected in parallel or in series through the switch assembly under the condition that the heating assemblies are multiple.

4. The system of claim 1,

the controller is further used for acquiring real-time heating parameters of the vehicle and sending a power control instruction to the alternating current generator according to the real-time heating parameters;

and the alternating current generator is also used for controlling the alternating current conversion power of the alternating current generator according to the power control instruction after receiving the power control instruction sent by the controller so as to control the heating power of the heating component.

5. The system of claim 1, wherein the heating assembly comprises a metal heater plate and a high voltage wire harness connected to the alternating current generator, the high voltage wire harness disposed around the metal heater plate, wherein when alternating current is applied to the high voltage wire harness, an electromagnetic field is generated around the high voltage wire harness, and the electromagnetic field acts on the metal heater plate to heat the metal heater plate.

6. The system of any one of claims 1-5, wherein the alternating current generator comprises one or more of a motor controller, an on-board charger (OBC), and a control leg of a compressor.

7. A method of eddy current heating, characterized by being applied to a controller of an eddy current heating system for a vehicle, the eddy current heating system comprising: the alternating current generator, the controller and the heating assembly are respectively connected with an external power supply device, the alternating current generator is connected with the controller, the alternating current generator is connected with the heating assembly through a heating branch, and different heating assemblies correspond to different heating branches; the method comprises the following steps:

determining a target heating assembly to be heated from at least one of the heating assemblies;

a target heating branch corresponding to the target heating assembly is conducted;

controlling the alternating current generator to output alternating current;

and controlling the alternating current to flow through the target heating assembly through the target heating branch so as to enable the target heating assembly to generate heat.

8. The eddy current heating method according to claim 7, wherein the heating assembly comprises a metal heating plate and a high voltage harness connected with the alternating current generator, the high voltage harness being arranged around the metal heating plate; the controlling the alternating current to flow through the target heating assembly through the target heating branch so that the target heating assembly generates heat comprises:

under the condition that the alternating current flows through the target heating assembly through the target heating branch, when the high-voltage wire harness is electrified with the alternating current, an electromagnetic field is generated around the high-voltage wire harness, and the electromagnetic field acts on the metal heating plate to enable the metal heating plate to generate heat.

9. The eddy current heating method according to claim 7, wherein the heating branch comprises a switching assembly connected to the controller, the power supply device, and the heating assembly, respectively; the target heating branch corresponding to the target heating assembly is conducted and comprises:

controlling the target heating branch circuit to be conducted through the switch assembly;

and controlling the alternating current to flow through the target heating assembly through the target heating branch.

10. A vehicle comprising a vortex heating system according to any one of claims 1 to 6.

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