An in-vehicle cooking system for an electric vehicle

Abstract

The present invention discloses an in-vehicle cooking system for an electric vehicle, which is applied to the technical field of electric vehicles. The in-vehicle cooking system includes: a power battery of the electric vehicle; an in-vehicle DC-DC functional module connected to the power battery. The in-vehicle DC-DC functional module integrates a cooking circuit. The in-vehicle DC-DC functional module is used to convert the high-voltage direct current output by the power battery into low-voltage direct current for supplying power to the cooking circuit when the in-vehicle cooking function is turned on; an in-vehicle T-BOX is connected to the in-vehicle DC-DC functional module. The in-vehicle T-BOX is used to receive control instructions from a terminal device, and the in-vehicle DC-DC functional module controls the turning on and off of the in-vehicle cooking function according to the control instructions. Through the present invention, the in-vehicle functions of electric vehicles can be enriched.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicles, and particularly to an in-vehicle cooking system for an electric vehicle. Background Art

[0002] An electric vehicle can not only be used as a daily means of transportation. The electric vehicle itself contains an energy storage module - a power battery, and the energy storage capacity of the power battery ranges from dozens of kilowatt-hours (degrees) to hundreds of kilowatt-hours. Even considering the losses during the conversion process and the efficiency during the energy transmission process, 10 kilowatt-hours of electricity is sufficient to supply the power demand of in-vehicle electrical equipment in addition to powering the electric vehicle for driving. Currently, the in-vehicle functions based on electric vehicles are relatively single and cannot meet the needs of users when going out. There is an urgent need to develop more in-vehicle functions based on electric vehicles. Summary of the Invention

[0003] In view of the above technical problems existing in the prior art, embodiments of the present invention provide an in-vehicle cooking system for an electric vehicle to enrich the in-vehicle functions of the electric vehicle.

[0004] An in-vehicle cooking system for an electric vehicle provided by an embodiment of the present invention includes: a power battery of the electric vehicle; an in-vehicle DC-DC function module connected to the power battery, wherein the in-vehicle DC-DC function module integrates a cooking circuit, and the in-vehicle DC-DC function module is configured to convert the high-voltage direct current output by the power battery into low-voltage direct current for supplying power to the cooking circuit when the in-vehicle cooking function is in an on state; an in-vehicle T-BOX connected to the in-vehicle DC-DC function module, and the in-vehicle T-BOX is configured to receive a control instruction from a terminal device and transmit it to the in-vehicle DC-DC function module, so that the in-vehicle DC-DC function module controls the on and off of the in-vehicle cooking function according to the control instruction.

[0005] Optionally, the in-vehicle DC-DC function module is disposed at the position of the front cabin storage box of the electric vehicle; the automotive air conditioning system of the electric vehicle includes: an oil extraction air duct opened at the position of the front cabin storage box and communicating with the external environment; the in-vehicle DC-DC function module is connected to the automotive air conditioning system, and the in-vehicle DC-DC function module is further configured to: control the automotive air conditioning system and the in-vehicle cooking function to perform switch linkage, so that the automotive air conditioning system works when the in-vehicle cooking function is in an on state, and discharges the oil fume generated by cooking using the cooking circuit to the outside through the oil extraction air duct.

[0006] Optionally, it further includes a battery management system, which is configured to: monitor the state of charge of the power battery and transmit the state of charge to the in-vehicle DC-DC function module;

[0007] The in-vehicle DC-DC function module is further configured to: if the state of charge is lower than a preset threshold when the in-vehicle cooking function is in the off state, prohibit the in-vehicle cooking function from being turned on; if the state of charge is lower than the preset threshold when the in-vehicle cooking function is in the on state, send a reminder message to the in-vehicle human-machine interaction device and / or send a reminder message to the terminal device through the in-vehicle T-BOX, where the reminder message is used to remind the user to turn off the in-vehicle cooking function.

[0008] Optionally, if the in-vehicle T-BOX receives a user control instruction from the terminal device, the in-vehicle DC-DC function module controls the turning on and off of the in-vehicle cooking function according to the user control instruction, where the user control instruction is generated by the user's operation on the terminal device; if the in-vehicle T-BOX receives a timing control instruction from the terminal device, the in-vehicle DC-DC function module controls the timed turning on and timed turning off of the in-vehicle cooking function according to the timing control instruction.

[0009] Optionally, the in-vehicle DC-DC function module further includes: a DC-AC conversion circuit, the input end of which is connected to the power battery, and the DC-AC conversion circuit is used to convert the high-voltage direct current output by the power battery into high-voltage alternating current; an isolation transformer, the input-side winding of which is connected to the output end of the DC-AC conversion circuit, and the isolation transformer is used to step down the high-voltage alternating current output by the DC-AC conversion circuit into low-voltage alternating current; an AC-DC conversion circuit, the input end of which is connected to the output-side winding of the isolation transformer, and the AC-DC conversion circuit is used to rectify and filter the low-voltage alternating current output by the isolation transformer to obtain low-voltage direct current; the cooking circuit is connected to the output end of the AC-DC conversion circuit, and the cooking circuit is used to generate the energy required for cooking according to the low-voltage direct current provided by the AC-DC conversion circuit.

[0010] Optionally, the DC-AC conversion circuit includes: a fuse, one end of which is connected to the positive pole of the power battery; an inverter, one input end of which is connected to the other end of the fuse, and the other input end of the inverter is connected to the negative pole of the power battery; a first LC filter circuit, the two input ends of which are correspondingly connected to the two output ends of the inverter.

[0011] Optionally, the AC-DC conversion circuit includes: a rectifier, the two input ends of which are correspondingly connected to both ends of the output-side winding of the isolation transformer; a second LC filter circuit, the two input ends of which are correspondingly connected to the two output ends of the rectifier.

[0012] Optionally, the cooking circuit includes: a heating component, one end of which is connected to the output end of the AC-DC circuit; a switching power transistor, the drain of the switching power transistor is connected to the other end of the heating component, and by changing the state of the switching power transistor, the on and off of the in-vehicle cooking function is controlled, and the heating power in the on state of the in-vehicle cooking function is adjusted; a capacitor, connected in parallel with the switching power transistor; a diode, connected in parallel with the switching power transistor; and a filtering circuit, arranged between the source of the switching power transistor and the capacitor.

[0013] Optionally, the heating component is any one of the following: a resistance heating component, a microwave heating component, and an electromagnetic heating component.

[0014] Optionally, it further includes: at least one mains output interface, connected to the output side winding of the isolation transformer.

[0015] One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

[0016] In the embodiments of the present invention, since an in-vehicle DC-DC function module connected to the power battery is provided, and the in-vehicle DC-DC function module integrates a cooking circuit, the in-vehicle DC-DC function module is used to convert the high-voltage direct current output by the power battery into low-voltage direct current for supplying power to the cooking circuit when the in-vehicle cooking function is in the on state; the in-vehicle T-BOX connected to the in-vehicle DC-DC function module is used to receive control instructions from the terminal device and transmit them to the in-vehicle DC-DC function module, so that the in-vehicle DC-DC function module controls the on and off of the in-vehicle cooking function according to the control instructions. Through the above technical solutions, the power battery of the electric vehicle is converted into power supply for in-vehicle cooking, thereby realizing the in-vehicle cooking function of the electric vehicle, enriching the in-vehicle functions of the electric vehicle, and further improving the user experience of the electric vehicle. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the in-vehicle cooking system of the electric vehicle in the embodiments of the present invention;

[0019] Figure 2 For Figure 1 the schematic structural diagram of the in-vehicle DC-DC function module in

[0020] Figures 3 to 4 For Figure 2 the circuit schematic diagram of the in-vehicle DC-DC function module in Specific embodiments

[0021] By providing an in-vehicle cooking system for an electric vehicle in an embodiment of the present invention, the technical problem that the in-vehicle functions based on electric vehicles are relatively single in the prior art is solved.

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the specification drawings and specific embodiments.

[0023] First of all, it should be noted that the term "and / or" appearing in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this article generally represents an "or" relationship between the front and rear associated objects.

[0024] Referring to Figure 1 as shown, an embodiment of the present invention provides an in-vehicle cooking system 10 for an electric vehicle, which is used to implement the in-vehicle cooking function of the electric vehicle.

[0025] Referring to Figures 1 to 2 as shown, the in-vehicle cooking system 10 includes: a power battery 11 of the electric vehicle, a vehicle networking communication module (i.e., in-vehicle T-BOX, full name: Telematics BOX, hereinafter simply referred to as in-vehicle T-BOX) 13, and an in-vehicle DC-DC function module 12 connected to the power battery 11.

[0026] Among them, a cooking circuit 121 is integrated in the in-vehicle DC-DC function module 12. The in-vehicle DC-DC function module 12 is used to convert the high-voltage direct current output by the power battery 11 into low-voltage direct current for supplying power to the cooking circuit 121 when the in-vehicle cooking function of the electric vehicle is in an on state, and the cooking circuit 121 generates the energy required for cooking under the action of the low-voltage direct current.

[0027] The in-vehicle T-BOX is connected to the in-vehicle DC-DC function module 12. The in-vehicle T-BOX is used to receive control instructions from the terminal device 20 and transmit them to the in-vehicle DC-DC function module 12. The in-vehicle DC-DC function module 12 controls the on and off of the in-vehicle cooking function of the electric vehicle according to the control instructions.

[0028] In an implementation of the present invention, at least an APP for controlling the in-vehicle cooking system 10 is installed on the terminal device 20, so that through this APP, the on and off of the in-vehicle cooking function of the electric vehicle can be remotely controlled, and the heating power used for cooking can also be remotely adjusted when the in-vehicle cooking function is in an on state.

[0029] Specifically, the terminal device 20 can specifically be a smart phone, a wearable device, etc.

[0030] Furthermore, since the cooking fumes generated during in-vehicle cooking will dirty the vehicle and will also corrode the interior and exterior decorations of the vehicle, in order to avoid the damage to the vehicle caused by the cooking fumes, the cooking circuit 121 of the in-vehicle DC-DC function module 12 can be arranged at the position of the front cabin storage box of the electric vehicle, and the vehicle air conditioning system 14 of the electric vehicle includes an oil extraction air duct opened at the position of the front cabin storage box, and the opened oil extraction air duct is communicated with the external environment of the vehicle; the in-vehicle DC-DC function module 12 is connected to the vehicle air conditioning system 14 of the electric vehicle, and the in-vehicle DC-DC function module 12 is further configured to: control the vehicle air conditioning system 14 of the electric vehicle to perform switch linkage with the in-vehicle cooking function, so that the vehicle air conditioning system 14 operates when the in-vehicle cooking function is in an on state, and discharges the cooking fumes generated by using the cooking circuit 121 to the outside of the vehicle through the oil extraction air duct.

[0031] It should be noted that, in the embodiment of the present invention, compared with the air conditioning system of the electric vehicle in the prior art, the vehicle air conditioning system 14 only needs to newly add an oil extraction air duct at the position of the front cabin storage box. For the sake of simplicity of the specification, the structure of the vehicle air conditioning system 14 will not be introduced in too much detail here.

[0032] Specifically speaking, with reference to Figure 2 As shown, the in-vehicle DC-DC function module 12 further includes a microcontroller 122, and the microcontroller 122 is used to control the opening and closing of the in-vehicle cooking function. Moreover, when the in-vehicle cooking function of the electric vehicle is turned on, the microcontroller 122 of the in-vehicle DC-DC function module 12 is triggered to send a smoke machine on command to the vehicle air conditioning system 14; in response to the received smoke machine on command, the vehicle air conditioning system 14 controls the vehicle air conditioning system 14 to operate in the external circulation mode, and discharges the cooking fumes generated by using the in-vehicle DC-DC function module 12 to the outside of the vehicle. When the in-vehicle cooking function of the electric vehicle is turned off, the microcontroller 122 of the in-vehicle DC-DC function module 12 is triggered to send a smoke machine off command to the vehicle air conditioning system 14; in response to the received smoke machine off command, the vehicle air conditioning system 14 controls the vehicle air conditioning system 14 to shut down or resume the operation mode before the in-vehicle cooking function of the electric vehicle is turned on, for example: resume to the internal circulation mode or the automatic mode. Thus, the switch linkage between the vehicle air conditioning cylinder 14 and the in-vehicle DC-DC function module 12 can be realized, and the cooking fumes generated during in-vehicle cooking can be discharged in time.

[0033] Further, to improve driving safety, the in-vehicle cooking system 10 further includes a battery management system (BMS, full name: Battery Management System) 15. Among them, the battery management system 15 and the power battery 11 form a battery pack that supplies energy to the electric vehicle.

[0034] The battery management system 15 is used to monitor the SOC (State of Charge) of the power battery 11, that is, the remaining power, and transmit the monitored SOC of the power battery 11 to the in-vehicle DC-DC function module 12.

[0035] Correspondingly, the in-vehicle DC-DC function module 12 is used to: after receiving the SOC of the power battery 11, if the in-vehicle cooking function is in the off state and the state of charge of the power battery 11 is lower than the preset threshold, prohibit the in-vehicle cooking function from being turned on; if the in-vehicle cooking function is in the on state and the state of charge of the power battery 11 is lower than the preset threshold, the in-vehicle DC-DC function module 12 sends a reminder message to the in-vehicle human-machine interaction device and / or sends a reminder message to the terminal device 20 through the in-vehicle T-BOX. The reminder message is used to remind the user to turn off the in-vehicle cooking function.

[0036] Specifically, whether it is to prohibit the in-vehicle cooking function from being turned on or to send a reminder message, it can be executed by the microcontroller 122 of the in-vehicle DC-DC function module 12.

[0037] It should be noted that the preset threshold can be adjusted by the user himself or preset before leaving the factory. For example, the preset threshold can be 30%. When the SOC of the power battery 11 is lower than 30%, the in-vehicle cooking function is prohibited from being turned on or a reminder message for reminding the user to turn off the in-vehicle cooking function is sent.

[0038] Regarding triggering the opening and closing of the in-vehicle cooking function and adjusting the heating power used for cooking, the user can perform remote control through the terminal device 20, or the user can directly operate by directly manipulating the control switch set in the vehicle.

[0039] To make the control of the in-vehicle cooking function more intelligent:

[0040] 1. If the in-vehicle T-BOX receives a user control instruction from the terminal device 20, the in-vehicle DC-DC function module 12 controls the opening and closing of the in-vehicle cooking function according to the user control instruction received by the in-vehicle T-BOX. Among them, the user control instruction is generated by the user's remote control on the terminal device 20.

[0041] 2. If the in-vehicle T-BOX receives a timing control instruction from the terminal device 20, the in-vehicle DC-DC function module 12 controls the timed activation and timed deactivation of the in-vehicle cooking function according to the timing control instruction received by the in-vehicle T-BOX.

[0042] 3. If the in-vehicle T-BOX receives a power adjustment instruction from the terminal device 20, the in-vehicle DC-DC function module 12 correspondingly adjusts the heating power of the cooking circuit (the heating power required for cooking) according to the power adjustment instruction received by the in-vehicle T-BOX.

[0043] In some embodiments, referring to Figure 3 and Figure 4 as shown, the in-vehicle DC-DC function module 12 further includes a DC-AC conversion circuit 123, an isolation transformer T, and an AC-DC conversion circuit 124. The DC-AC conversion circuit 123, the isolation transformer T, the AC-DC conversion circuit 124, and the cooking circuit are all driven to operate by the microcontroller 122 and the corresponding drive circuits.

[0044] Among them, the input end of the DC-AC conversion circuit 123 is connected to the power battery 11. The DC-AC conversion circuit 123 is used to convert the high-voltage direct current output by the power battery 11 into high-voltage alternating current. The input side winding of the isolation transformer T is connected to the output end of the DC-AC conversion circuit 123. The isolation transformer T is used to step down the high-voltage alternating current output by the DC-AC conversion circuit 123 to low-voltage alternating current. Specifically, for the convenience of the integration of the cooking circuit 121, the high-voltage direct current of the power battery 11 is inverted into 220V mains alternating current.

[0045] Among them, the input end of the AC-DC conversion circuit 124 is connected to the output side winding of the isolation transformer T. The AC-DC conversion circuit 124 is used to rectify and filter the low-voltage alternating current output by the isolation transformer T to obtain low-voltage direct current. The cooking circuit 121 is connected to the output end of the AC-DC conversion circuit 124. The cooking circuit 121 is used to generate the energy required for cooking according to the low-voltage direct current provided by the AC-DC conversion circuit 124, specifically generating: heat, microwave, or electromagnetic wave.

[0046] Specifically, referring to Figure 3 as shown, the DC-AC conversion circuit 123 includes: a fuse F, an inverter 1231, and a first LC filter circuit 1232.

[0047] One end of the fuse F is connected to the positive pole of the power battery 11. One input end of the inverter 1231 is connected to the other end of the fuse F, and the other input end of the inverter 1231 is connected to the negative pole of the power battery 11. The two input ends of the first LC filter circuit 1232 are correspondingly connected to the two output ends of the inverter 1231.

[0048] Among them, the inverter 1231 can be a bridge inverter circuit composed of multiple power devices, such as a full-bridge, half-bridge, or more complex bridge inverter circuit. For example, Figure 3 as shown in the figure, for example, the inverter 1231 can be a full-bridge inverter circuit composed of MOS transistors Q1 to Q4 and diodes D1 to D4. By driving MOS transistors Q1 to Q4 and diodes D1 to D4, the high-voltage direct current output by the power battery 11 is converted from direct current to alternating current.

[0049] Among them, the first LC filter circuit 1232 includes an inductor L1, a capacitor C1, and a resistor R1. The two ends of the series connection of the inductor L1 and the capacitor C1 are respectively connected to the two output ends of the inverter 1231, and the resistor R1 is connected in parallel with the capacitor C1. The first LC filter circuit 1232 is used to filter the high-voltage alternating current output by the inverter 1231. Of course, the first LC filter circuit 1232 can also be other deformed or similar circuit structures.

[0050] Refer to Figure 4 as shown in the figure, the AC-DC conversion circuit 124 includes a rectifier UI and a second LC filter circuit 1241. The two input ends of the rectifier UI are respectively connected to the two ends of the output side winding of the isolation transformer T; the two input ends of the second LC filter circuit 1241 are respectively connected to the two output ends of the rectifier UI.

[0051] By setting the isolation transformer T, on the one hand, the interference brought by the power battery 11 to the cooking circuit 121 can be isolated, and on the other hand, the interference generated by the cooking circuit 121 can also be decoupled through the isolation transformer system, realizing electromagnetic interference resistance, so as to achieve the purpose of protecting the power battery 11.

[0052] Among them, as Figure 4 shown in the figure, the rectifier UI can be a full-bridge, half-bridge, or more complex bridge rectifier circuit composed of multiple diodes. By driving each diode in the rectifier UI, the AC-DC conversion is realized.

[0053] The second LC filter circuit 1241 can be a filter circuit composed of a choke coil L2 and a capacitor C2.

[0054] Refer to Figure 4 as shown in the figure, for example, in the cooking circuit 121 of the embodiment of the present invention, it can include a heating component RL, a switching power transistor Q5, a filter circuit, a capacitor C3, and a diode D5. Among them, one end of the heating component RL is connected to the output end of the AC-DC conversion circuit 124. The drain of the switching power transistor Q5 is connected to the other end of the heating component RL, the capacitor C3 is connected in parallel with the switching power transistor Q5; the diode D5 is connected in parallel with the switching power transistor Q5; the filter circuit is arranged between the source of the switching power transistor Q5 and the capacitor C3.

[0055] In the specific implementation process, the heating component RL is specifically any one of the following: a resistance heating component, a microwave heating component, and an electromagnetic heating component.

[0056] It should be noted that the microcontroller 121 turns on and off the in-vehicle cooking function by controlling the switching power transistor Q5. The microcontroller 121 is connected to the gate of the switching power transistor Q5 through a control circuit, and turns on and off the in-vehicle cooking function by controlling the switching power transistor Q5, so that the power battery 11 starts to supply power to the in-vehicle DC-DC function module 12 according to the actual cooking requirement of the in-vehicle cooking function.

[0057] All kinds of controllable switches available for users (the touch switch for turning on and off the in-vehicle cooking function, the touch switch for adjusting the heating power) are connected to the microcontroller 122, so as to realize turning on and off the in-vehicle cooking function and adjusting the heating power of cooking through the direct operation of the user, and make the power battery 11 supply power to the in-vehicle DC-DC function module 12 according to the actual cooking requirement.

[0058] Furthermore, the in-vehicle cooking system 10 is also provided with at least one mains output interface, which is connected to the output side winding of the isolation transformer T. Refer to Figure 4 As shown, the mains output interface is specifically the socket XS, which can meet the electricity demand of the household appliances brought by the user. Through the provided mains output interface, bidirectional inversion can be realized. In addition to supplying power to the household appliances, in an emergency, slow charging can also be carried out for other electric vehicles through the mains output interface.

[0059] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0060] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. An in-vehicle cooking system for an electric vehicle, characterized in that, Comprising: The power battery of an electric vehicle; A vehicle-mounted DC-DC function module connected to the power battery, which is arranged at the position of the front cabin storage box of the electric vehicle. Wherein, the vehicle-mounted DC-DC function module integrates a cooking circuit, and the vehicle-mounted DC-DC function module is used to convert the high-voltage direct current output by the power battery into low-voltage direct current for supplying power to the cooking circuit when the vehicle-mounted cooking function is in an on state; A vehicle-mounted T-BOX connected to the vehicle-mounted DC-DC function module, which is used to receive a control instruction from a terminal device and transmit it to the vehicle-mounted DC-DC function module, so that the vehicle-mounted DC-DC function module controls the on and off of the vehicle-mounted cooking function according to the control instruction; The vehicle air conditioning system of the electric vehicle, comprising: an oil extraction air duct opened at the position of the front cabin storage box and communicated with the external environment of the vehicle, and the vehicle-mounted DC-DC function module is connected to the vehicle air conditioning system; When the vehicle-mounted cooking function is turned on, trigger the microcontroller of the vehicle-mounted DC-DC function module to send a smoke machine on instruction to the vehicle air conditioning system; the vehicle air conditioning system responds to the received smoke machine on instruction and controls the vehicle air conditioning system to operate in the external circulation mode to discharge the cooking fumes generated by using the vehicle-mounted DC-DC function module to the external environment of the vehicle; When the vehicle-mounted cooking function is turned off, trigger the microcontroller of the vehicle-mounted DC-DC function module to send a smoke machine off instruction to the vehicle air conditioning system; the vehicle air conditioning system responds to the received smoke machine off instruction and controls the vehicle air conditioning system to shut down or resume the operation mode before the vehicle-mounted cooking function is turned on.

2. The in-vehicle cooking system according to claim 1, characterized in that, Further comprising: A battery management system for: Monitoring the state of charge of the power battery and transmitting the state of charge to the vehicle-mounted DC-DC function module; The vehicle-mounted DC-DC function module is further used for: If the state of charge is lower than a preset threshold when the vehicle-mounted cooking function is in an off state, then prohibit the vehicle-mounted cooking function from being turned on; If the state of charge is lower than a preset threshold when the vehicle-mounted cooking function is in an on state, then send a reminder message to the in-vehicle human-machine interaction device and / or send a reminder message to the terminal device through the vehicle-mounted T-BOX, and the reminder message is used to remind the user to turn off the vehicle-mounted cooking function.

3. The in-vehicle cooking system according to claim 2, characterized in that: If the vehicle-mounted T-BOX receives a user control instruction from the terminal device, the vehicle-mounted DC-DC function module controls the on and off of the vehicle-mounted cooking function according to the user control instruction, wherein the user control instruction is generated by the user's operation on the terminal device; If the vehicle-mounted T-BOX receives a timing control instruction from the terminal device, the vehicle-mounted DC-DC function module controls the timed on and timed off of the vehicle-mounted cooking function according to the timing control instruction.

4. The in-vehicle cooking system according to claim 3, characterized in that, The vehicle-mounted DC-DC function module further comprises: A DC-AC circuit, the input end of which is connected to the power battery, and the DC-AC circuit is used to convert the high-voltage direct current output by the power battery into high-voltage alternating current; An isolation transformer, the input-side winding of which is connected to the output end of the DC-AC circuit, and the isolation transformer is used to step down the high-voltage alternating current output by the DC-AC circuit to low-voltage alternating current; An AC-DC circuit, the input end of which is connected to the output-side winding of the isolation transformer, and the AC-DC circuit is used to rectify and filter the low-voltage alternating current output by the isolation transformer to obtain low-voltage direct current; The cooking circuit is connected to the output end of the AC-DC circuit, and the cooking circuit is used to generate the energy required for cooking according to the low-voltage direct current provided by the AC-DC circuit.

5. The in-vehicle cooking system according to claim 4, characterized in that, The DC-AC circuit includes: A fuse, one end of which is connected to the positive pole of the power battery; An inverter, one input end of which is connected to the other end of the fuse, and the other input end of the inverter is connected to the negative pole of the power battery; A first LC filter circuit, the two input ends of which are correspondingly connected to the two output ends of the inverter.

6. The in-vehicle cooking system according to claim 4, characterized in that, The AC-DC circuit includes: A rectifier, the two input ends of which are correspondingly connected to both ends of the output-side winding of the isolation transformer; A second LC filter circuit, the two input ends of which are correspondingly connected to the two output ends of the rectifier.

7. The in-vehicle cooking system according to claim 4, characterized in that, The cooking circuit includes: A heating component, one end of which is connected to the output end of the AC-DC circuit; A switching power transistor, the drain of which is connected to the other end of the heating component. By changing the state of the switching power transistor, the on / off of the in-vehicle cooking function is controlled, and the heating power in the case where the in-vehicle cooking function is in the on state is adjusted; A capacitor, which is connected in parallel with the switching power transistor; A diode, which is connected in parallel with the switching power transistor; A filter circuit, which is arranged between the source of the switching power transistor and the capacitor.

8. The in-vehicle cooking system according to claim 7, wherein, The heating component is any one of the following: a resistance heating component, a microwave heating component, and an electromagnetic heating component.

9. The in-vehicle cooking system according to claim 4, wherein, It further includes: At least one mains output interface, which is connected to the output-side winding of the isolation transformer.

Images