Power supply driving circuit, new energy vehicle, method, device, medium and product

Abstract

The invention provides a power supply driving circuit, a new energy vehicle, a method, a device, a medium and a product, and the power supply driving circuit comprises a charging plug module; the charging socket module is in charging connection with the charging plug module through a high-voltage plugging assembly, and the charging socket module is in control connection with the charging plug module through a low-voltage plugging assembly; the plugging distance between the high-voltage plug and the high-voltage jack of the high-voltage plugging assembly is greater than the plugging distance between the low-voltage pin and the low-voltage jack of the low-voltage plugging assembly. Through the embodiment of the invention, automatic protection aiming at abnormal plugging or connector loosening virtual connection in the power supply process is realized, the power supply reliability and the circuit safety are improved, and the charging safety of the new energy vehicle is improved.

Description

Background Art

[0002] At present, the main traction power of new energy vehicles comes from the on-board power battery system. The vehicle energy replenishment and traction transportation operations are achieved through the charging and discharging of the power battery.

[0003] In relevant technologies, new energy vehicles have large traction power, and the power batteries they carry can hold a few hundred kilowatt-hours or as much as thousands of kilowatt-hours.

[0004] However, when using high-voltage direct current to charge power batteries, arcing and electrical breakdown may occur if the plugging and unplugging are done illegally. In addition, if the connection mechanism between the charging plug components becomes abnormally loose, it may cause dangerous accidents such as overheating and fire.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0006] The purpose of the present disclosure is to provide a power supply drive circuit, a new energy vehicle, a method, a device, a medium and a product, which are used to overcome the problems of poor reliability of charging schemes caused by the limitations and defects of related technologies to at least a certain extent.

[0007] According to a first aspect of an embodiment of the present disclosure, a power supply drive circuit is provided, comprising: a charging plug module; a charging socket module, wherein a charging connection is established between the charging plug module and the charging socket module via a high-voltage plug assembly, and a control connection is established between the charging socket module and the charging plug module via a low-voltage plug assembly; a plugging distance between the high-voltage plug and the high-voltage socket of the high-voltage plug assembly is greater than a plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug assembly.

[0008] In an exemplary embodiment of the present disclosure, the charging plug module includes a first control unit, a high-voltage power supply unit, a high-voltage plug circuit and a low-voltage pin circuit; the charging socket module includes a second control unit, a charging battery unit, a high-voltage socket circuit and a low-voltage socket circuit; the high-voltage plug circuit and the high-voltage socket circuit are connected to the charging circuit through the high-voltage pin and the high-voltage jack, and the control circuit is connected between the low-voltage pin circuit and the low-voltage socket circuit through the plugging of the low-voltage pin and the low-voltage jack.

[0009] In an exemplary embodiment of the present disclosure, the control circuit includes a first control circuit, and the low-voltage plug assembly includes a first low-voltage pin and a first low-voltage socket. The first control circuit is connected to the first low-voltage pin of the first control unit and the first low-voltage socket integrated in the second control unit. The connection of the first control circuit is achieved by plugging the first low-voltage pin and the first low-voltage socket. The first control unit and the second control unit achieve communication line connection through the connected first control circuit.

[0010] In an exemplary embodiment of the present disclosure, the control circuit also includes a second control circuit, the low-voltage plug assembly includes a second low-voltage pin and a second low-voltage socket, and the power supply drive circuit also includes: a first electronically controlled relay, which is arranged in a circuit between the high-voltage plug circuit and the high-voltage power supply unit, and the second control circuit is connected to the second low-voltage pin of the first control unit and the second low-voltage socket integrated in the charging socket module, and the connection of the second control circuit is achieved by plugging the second low-voltage pin and the second low-voltage socket, and the first control unit is connected to the first electronically controlled relay through the second control circuit to output a first drive signal to the first electronically controlled relay, and the first drive signal is used to control the closure of the first electronically controlled relay.

[0011] In an exemplary embodiment of the present disclosure, the control circuit also includes a third control circuit, the low-voltage plug assembly includes a third low-voltage pin and a third low-voltage socket, and the power supply drive circuit also includes: a second electronically controlled relay, a circuit arranged between the high-voltage socket circuit and the charging battery unit, the third control circuit is connected to the third low-voltage pin of the second control unit and the third low-voltage socket integrated in the charging plug module, and the connection of the third control circuit is achieved by plugging the third low-voltage pin and the third low-voltage socket, and the second control unit is connected to the second electronically controlled relay through the third control circuit to output a second drive signal to the second electronically controlled relay, and the second drive signal is used to control the closing of the second electronically controlled relay.

[0012] In an exemplary embodiment of the present disclosure, the control circuit also includes a fourth control circuit, which is connected to a fourth low-voltage pin of the first control unit and a fourth low-voltage jack integrated in the charging socket module. The connectivity of the fourth control circuit is achieved by plugging the fourth low-voltage pin and the fourth low-voltage jack, so that the first control unit obtains a power supply feedback signal of the charging plug module through the connected fourth control circuit.

[0013] In an exemplary embodiment of the present disclosure, the control circuit also includes a fifth control circuit, which is connected to a fifth low-voltage pin of the second control unit and a fifth low-voltage socket integrated in the charging plug module. The connectivity of the fifth control circuit is achieved by plugging the fifth low-voltage pin and the fifth low-voltage socket, so that the second control unit obtains a power supply feedback signal of the charging socket module through the connected fifth control circuit.

[0014] In an exemplary embodiment of the present disclosure, it also includes: a terminal temperature sensor, which is integrated in the high-voltage plug, and the terminal temperature sensor is connected to the first control unit to detect the temperature of the high-voltage plug and feed back to the first control unit.

[0015] According to a second aspect of an embodiment of the present disclosure, a new energy vehicle is provided, comprising: a vehicle body, provided with a charging socket module in a power supply drive circuit as described in any of the above technical solutions, wherein a charging connection is established between the charging socket module and a charging plug module on the power supply side via a high-voltage plug assembly, and a control connection is established between the charging socket module and the charging plug module via a low-voltage plug assembly; a plugging distance between a high-voltage plug and a high-voltage socket of the high-voltage plug assembly is greater than a plugging distance between a low-voltage pin and a low-voltage socket of the low-voltage plug assembly.

[0016] According to a third aspect of an embodiment of the present disclosure, a power supply control method is provided, which is applicable to a power supply drive circuit as described in any of the above technical solutions, and the power supply control method includes: after detecting that a control circuit between a first control unit and a second control unit is connected, detecting whether a power supply feedback signal of a fourth control circuit of the control circuit is a first level signal within a specified time, and whether a power supply feedback signal of a fifth control circuit of the control circuit is a second level signal; and determining whether to disconnect an electric control relay or to charge through a charging circuit according to the detection results of the first level signal and the second level signal.

[0017] In an exemplary embodiment of the present disclosure, the electronically controlled relay includes a first electronically controlled relay and a second electronically controlled relay, and determining whether to disconnect the electronically controlled relay or to charge through a charging line according to the detection results of the first level signal and the second level signal includes: determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal; if the first level signal and the second level signal are detected within the specified time, triggering the first control unit to output a first drive signal to the first electronically controlled relay through the second control line to control the first electronically controlled relay to close; triggering the second control unit to output a second drive signal to the second electronically controlled relay through the third control line to control the second electronically controlled relay to close, and connecting the charging line for charging through the closed first electronically controlled relay and the closed second electronically controlled relay.

[0018] In an exemplary embodiment of the present disclosure, determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal includes: if it is detected that the first level signal is changed to a third level signal within the specified time, triggering the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay to stop the charging plug module from outputting electric energy; controlling the first control unit to send a charging stop instruction to the second control unit through the communication line, triggering the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the charging line by disconnecting the second electronically controlled relay.

[0019] In an exemplary embodiment of the present disclosure, determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal also includes: if it is detected that the second level signal is changed to a fourth level signal within the specified time, triggering the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay to stop the charging socket module from obtaining electrical energy; controlling the second control unit to send a charging stop instruction to the first control unit through the communication line, triggering the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the charging line by disconnecting the first electronically controlled relay.

[0020] In an exemplary embodiment of the present disclosure, it also includes: obtaining temperature information detected by a terminal temperature sensor, wherein the temperature information is used to indicate the temperature when the high-voltage plug and the high-voltage socket are plugged in; if it is detected that the change rate of the temperature information is greater than a preset temperature change rate, the charging plug module is stopped from outputting electric energy, and the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay; a charging stop instruction is sent to the second control unit through a communication line to trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0021] In an exemplary embodiment of the present disclosure, it also includes: if it is detected that the communication line between the first control unit and the second control unit is disconnected, the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay, and / or the second control unit is triggered to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0022] According to a fourth aspect of an embodiment of the present disclosure, a power supply control device is provided, which is applicable to the power supply drive circuit described in any one of the above technical solutions, and the power supply control device includes: a detection unit, which is used to detect whether the power supply feedback signal of the fourth control circuit of the control circuit is a first level signal within a specified time after detecting that the control circuit between the first control unit and the second control unit is connected, and whether the power supply feedback signal of the fifth control circuit of the control circuit is a second level signal; a drive unit, which is used to determine whether to disconnect the electric control relay or charge through the charging circuit according to the detection results of the first drive signal and the second drive signal.

[0023] According to a fifth aspect of the present disclosure, a computer-readable storage medium is provided, on which a program is stored, and when the program is executed by a processor, the power supply control method as described in any one of the above items is implemented.

[0024] According to a first aspect of the present disclosure, there is provided a computer program product, comprising a computer program, wherein the computer program implements any one of the power supply control methods described above when executed by a processor.

[0025] In the embodiment of the present disclosure, a charging plug module is arranged in the power supply driving circuit, and a charging socket module is arranged to be connected to the charging plug module through a high-voltage plug assembly for charging, and the charging socket module and the charging plug module are control-connected through a low-voltage plug assembly, and the plugging distance between the high-voltage plug and the high-voltage socket of the high-voltage plug assembly is greater than the plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug assembly. When the charging plug module and the charging socket module are unplugged, the low-voltage line is disconnected first and the high-voltage line is disconnected later. When the charging plug module and the charging socket module are plugged in, the high-voltage line is connected first and the low-voltage line is connected later, thereby realizing automatic protection against abnormal plugging and unplugging or loose and virtual connection of the connector during power supply, improving power supply reliability and circuit safety, and contributing to improving the charging safety of new energy vehicles.

[0026] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0028] Figure 1 is a schematic diagram of a power supply driving circuit in an exemplary embodiment of the present disclosure;

[0029] Figure 2 is a schematic diagram of another power supply driving circuit in an exemplary embodiment of the present disclosure;

[0030] Figure 3 is a schematic diagram of another power supply driving circuit in an exemplary embodiment of the present disclosure;

[0031] Figure 4 is a schematic diagram of another power supply driving circuit in an exemplary embodiment of the present disclosure;

[0032] Figure 5 is a schematic diagram of another power supply driving circuit in an exemplary embodiment of the present disclosure;

[0033] Figure 6 is a flow chart of a power supply control method in an exemplary embodiment of the present disclosure;

[0034] Figure 7 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0035] Figure 8 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0036] Fig. 9 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0037] Fig.10 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0038] Fig.11 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0039] Fig.12 is a flow chart of another power supply control method in an exemplary embodiment of the present disclosure;

[0040] Fig.13 is a block diagram of a power supply control device in an exemplary embodiment of the present disclosure;

[0041] Fig.14 is a block diagram of an electronic device in an exemplary embodiment of the present disclosure,

[0042] Among them, the corresponding relationship between the elements and the labels of the power supply drive circuit includes: power supply drive circuit 100, charging plug module 102, charging socket module 104, high-voltage plug assembly 106, low-voltage plug assembly 108, first control unit 110, high-voltage power supply unit 112, high-voltage plug circuit 114, low-voltage pin circuit 116, second control unit 118, charging battery unit 120, high-voltage socket circuit 122, low-voltage socket circuit 124, first low-voltage pin 126, first low-voltage socket 128, The second low voltage pin 130, the second low voltage socket 132, the first electronically controlled relay 134, the third low voltage pin 136, the third low voltage socket 138, the second electronically controlled relay 140, the fourth low voltage pin 142, the fourth low voltage socket 144, the fifth low voltage pin 146, the fifth low voltage socket 148, the terminal temperature sensor 150, the communication line 152, the high voltage plug 154, the high voltage socket 156, the potential detection feedback circuit 158, the potential detection contact 160, the new energy vehicle 200, and the vehicle body 202. DETAILED DESCRIPTION

[0043] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as being limited to the examples set forth herein; on the contrary, these embodiments are provided so that the present disclosure will be more comprehensive and complete, and the concepts of the example embodiments are fully conveyed to those skilled in the art. The described features, structures, or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced while omitting one or more of the specific details, or other components, devices, steps, etc. may be adopted. In other cases, known technical solutions are not shown or described in detail to avoid obscuring various aspects of the present disclosure.

[0044] In addition, the accompanying drawings are only schematic diagrams of the present disclosure, and the same reference numerals in the drawings represent the same or similar parts, so their repeated description will be omitted. Some of the block diagrams shown in the accompanying drawings are functional entities, which do not necessarily correspond to physically or logically independent entities. These functional entities can be implemented in software form, or implemented in one or more hardware modules or integrated circuits, or implemented in different networks and / or processor devices and / or microcontroller devices.

[0045] Figures 1 to 4 are multiple schematic diagrams of power supply driving circuits in exemplary embodiments of the present disclosure.

[0046] refer to Figures 1 to 4 As shown, the power supply driving circuit 100 may include:

[0047] In an exemplary embodiment of the present disclosure, Figure 1 As shown, the charging plug module 102 and the charging socket module 104 are connected to the charging plug module 102 for charging via a high-voltage plug component 106 , and the charging socket module 104 and the charging plug module 102 are connected for control via a low-voltage plug component 108 .

[0048] In an exemplary embodiment of the present disclosure, Figure 2 As shown, the plugging distance between the high-voltage plug 154 and the high-voltage socket 156 of the high-voltage plug assembly 106 is greater than the plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug assembly 108 .

[0049] In the embodiment of the present disclosure, a charging plug module 102 is provided in a power supply drive circuit 100, and a charging socket module 104 is provided to be connected to the charging plug module 102 through a high-voltage plug assembly 106 for charging, and a control connection is performed between the charging socket module 104 and the charging plug module 102 through a low-voltage plug assembly 108, and a plugging distance between a high-voltage plug 154 and a high-voltage socket 156 of the high-voltage plug assembly 106 is greater than a plugging distance between a low-voltage pin and a low-voltage socket of the low-voltage plug assembly 108. When the charging plug module 102 is unplugged from the charging socket module 104, the low-voltage line is disconnected first and the high-voltage line is disconnected later. When the charging plug module 102 is plugged into the charging socket module 104, the high-voltage line is connected first and the low-voltage line is connected later, thereby realizing automatic protection against abnormal plugging and unplugging or loose and virtual connection of the connector during power supply, improving power supply reliability and circuit safety, and contributing to improving the charging safety of the new energy vehicle 200.

[0050] Next, combine Figures 1 to 4 The components and connection relationships of the power supply driving circuit 100 are described in detail.

[0051] In an exemplary embodiment of the present disclosure, Figure 3 and Figure 4 As shown, the charging plug module 102 includes a first control unit 110, a high-voltage power supply unit 112, a high-voltage plug 154 circuit 114 and a low-voltage pin circuit 116; the charging socket module 104 includes a second control unit 118, a charging battery unit 120, a high-voltage socket circuit 122 and a low-voltage socket circuit 124; the high-voltage plug 154 circuit 114 and the high-voltage socket circuit 122 are connected to the charging circuit through the high-voltage pin and the high-voltage socket 156, and the low-voltage pin circuit 116 and the low-voltage socket circuit 124 are connected to the control circuit through the plugging of the low-voltage pin and the low-voltage socket.

[0052] In an exemplary embodiment of the present disclosure, the control circuit includes a first control circuit, and the low-voltage plug assembly 108 includes a first low-voltage pin 126 and a first low-voltage socket 128. The first control circuit is connected to the first low-voltage pin 126 of the first control unit 110 and the first low-voltage socket 128 integrated in the second control unit 118. The connection of the first control circuit is achieved by plugging the first low-voltage pin 126 and the first low-voltage socket 128. The first control unit 110 and the second control unit 118 realize the connection of the communication line 152 through the connected first control circuit.

[0053] In an exemplary embodiment of the present disclosure, the control circuit also includes a second control circuit, the low-voltage plug assembly 108 includes a second low-voltage pin 130 and a second low-voltage socket 132, and the power supply drive circuit 100 also includes: a first electrically controlled relay 134, which is arranged between the high-voltage plug 154 circuit 114 and the high-voltage power supply unit 112, and the second control circuit is connected to the second low-voltage pin 130 of the first control unit 110 and the second low-voltage socket 132 integrated in the charging socket module 104, and the connection of the second control circuit is achieved by plugging the second low-voltage pin 130 and the second low-voltage socket 132, and the first control unit 110 is connected to the first electrically controlled relay 134 through the second control circuit to output a first drive signal to the first electrically controlled relay 134, and the first drive signal is used to control the first electrically controlled relay 134 to close.

[0054] In an exemplary embodiment of the present disclosure, the control circuit also includes a third control circuit, the low-voltage plug assembly 108 includes a third low-voltage pin 136 and a third low-voltage socket 138, and the power supply drive circuit 100 also includes: a second electronically controlled relay 140, which is arranged in a circuit between the high-voltage socket circuit 122 and the charging battery unit 120, and the third control circuit is connected to the third low-voltage pin 136 of the second control unit 118 and the third low-voltage socket 138 integrated in the charging plug module 102, and the connection of the third control circuit is achieved by plugging the third low-voltage pin 136 and the third low-voltage socket 138, and the second control unit 118 is connected to the second electronically controlled relay 140 through the third control circuit to output a second drive signal to the second electronically controlled relay 140, and the second drive signal is used to control the second electronically controlled relay 140 to close.

[0055] In an exemplary embodiment of the present disclosure, the control circuit also includes a fourth control circuit, which is connected to the fourth low-voltage pin 142 of the first control unit 110 and the fourth low-voltage jack 144 integrated in the charging socket module 104. The connectivity of the fourth control circuit is achieved by plugging the fourth low-voltage pin 142 and the fourth low-voltage jack 144 together, so that the first control unit 110 obtains the power supply feedback signal of the charging plug module 102 through the connected fourth control circuit.

[0056] In an exemplary embodiment of the present disclosure, the control circuit also includes a fifth control circuit, which is connected to the fifth low-voltage pin 146 of the second control unit 118 and the fifth low-voltage socket 148 integrated in the charging plug module 102. The connectivity of the fifth control circuit is achieved by plugging the fifth low-voltage pin 146 and the fifth low-voltage socket 148, so that the second control unit 118 obtains the power supply feedback signal of the charging socket module 104 through the connected fifth control circuit.

[0057] In an exemplary embodiment of the present disclosure, it also includes: a terminal temperature sensor 150, which is integrated in the high-voltage plug 154, and the terminal temperature sensor 150 is connected to the first control unit 110, for detecting the temperature of the high-voltage plug 154 and feeding back to the first control unit 110.

[0058] In an exemplary embodiment of the present disclosure, a potential detection contact 160 is integrated at a specified position of the first electrically controlled relay 134, and a contact signal is fed back to the first control unit 110 through a potential detection feedback circuit 158. If the contact signal detects that the first electrically controlled relay 134 has a rising edge, a falling edge, or a disturbance signal that lasts for a specified time, the first control unit 110 controls the first electrically controlled relay 134 to disconnect, and the first control unit 110 instructs the second control unit 118 to disconnect the second electrically controlled relay 140 through the communication line 152.

[0059] In an exemplary embodiment of the present disclosure, a potential detection contact 160 is integrated at a specified position of the second electronically controlled relay 140, and a contact signal is fed back to the second control unit 118 through a potential detection feedback circuit 158. If the contact signal detects a rising edge, a falling edge, or a disturbance signal that lasts for a specified time in the second electronically controlled relay 140, the second control unit 118 controls the second electronically controlled relay 140 to disconnect, and the second control unit 118 instructs the first control unit 110 to disconnect the first electronically controlled relay 134 through the communication line 152.

[0060] Figure 5 is a schematic diagram of a new energy vehicle 200 in an exemplary embodiment of the present disclosure.

[0061] refer to Figure 5The new energy vehicle 200 includes: a vehicle body 202, which is provided with a charging socket module 104 in the power supply drive circuit 100 as described in any of the above technical solutions, and the charging socket module 104 is connected to the charging plug module 102 on the power supply side through a high-voltage plug component 106 for charging, and the charging socket module 104 is connected to the charging plug module 102 for control through a low-voltage plug component 108; the plugging distance between the high-voltage plug 154 and the high-voltage socket 156 of the high-voltage plug component 106 is greater than the plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug component 108.

[0062] Figure 6 It is a flowchart of a power supply control method in an exemplary embodiment of the present disclosure.

[0063] refer to Figure 6 The power supply control method is applicable to the power supply driving circuit as described in any of the above technical solutions, and the power supply control method includes:

[0064] Step S602, after detecting that the control circuit between the first control unit and the second control unit is connected, detect whether the power supply feedback signal of the fourth control circuit of the control circuit is a first level signal within a specified time, and whether the power supply feedback signal of the fifth control circuit of the control circuit is a second level signal.

[0065] Step S604: Determine whether to disconnect the electronically controlled relay or to charge through the charging line according to the detection results of the first level signal and the second level signal.

[0066] In an exemplary embodiment of the present disclosure, Figure 7 As shown, the electronically controlled relay includes a first electronically controlled relay and a second electronically controlled relay, and determining to disconnect the electronically controlled relay or to charge through the charging line according to the detection results of the first level signal and the second level signal includes:

[0067] Step S702: determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal.

[0068] Step S704: If the first level signal and the second level signal are detected within the specified time, trigger the first control unit to output a first drive signal to the first electronically controlled relay through the second control circuit to control the first electronically controlled relay to close.

[0069] Step S706, triggering the second control unit to output a second drive signal to the second electronically controlled relay through the third control circuit to control the second electronically controlled relay to close, and connecting the charging circuit through the closed first electronically controlled relay and the closed second electronically controlled relay for charging.

[0070] In an exemplary embodiment of the present disclosure, Figure 8 As shown, determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal includes:

[0071] Step S802: If it is detected that the first level signal changes to a third level signal within the specified time, the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control circuit to disconnect the first electronically controlled relay to stop the charging plug module from outputting electrical energy.

[0072] Step S804, controlling the first control unit to send a charging stop instruction to the second control unit through the communication line, triggering the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line, so as to disconnect the charging line by disconnecting the second electronically controlled relay.

[0073] In an exemplary embodiment of the present disclosure, Fig. 9 As shown, determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal further includes:

[0074] Step S902, if it is detected that the second level signal becomes a fourth level signal within the specified time, the second control unit is triggered to output a fourth drive signal to the second electronically controlled relay through the third control circuit to disconnect the second electronically controlled relay to stop the charging socket module from obtaining electrical energy.

[0075] Step S904, controlling the second control unit to send a charging stop instruction to the first control unit through the communication line, triggering the first control unit to output a third drive signal to the first electronically controlled relay through the second control line, so as to disconnect the charging line by disconnecting the first electronically controlled relay.

[0076] In an exemplary embodiment of the present disclosure, Fig.10 As shown, the power supply control method also includes:

[0077] Step S1002, obtaining temperature information detected by a terminal temperature sensor, wherein the temperature information is used to indicate the temperature when the high-voltage plug and the high-voltage jack are plugged in.

[0078] Step S1004: If it is detected that the change rate of the temperature information is greater than the preset temperature change rate, the charging plug module stops outputting electric energy, and triggers the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay.

[0079] Step S1006, sending a charging stop instruction to the second control unit through the communication line to trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0080] In an exemplary embodiment of the present disclosure, Fig.11 As shown, the power supply control method also includes:

[0081] Step S1102, if it is detected that the communication line between the first control unit and the second control unit is disconnected, the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay, and / or the second control unit is triggered to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0082] In an exemplary embodiment of the present disclosure, Fig.12 As shown, control system 1 is the control system on the charging plug module side, control system 2 is the control system on the charging socket module side, control unit 1 is the abbreviation of the first control unit, control unit 2 is the abbreviation of the second control unit, electric control relay 1 is the abbreviation of the first electric control relay, electric control relay 2 is the abbreviation of the second electric control relay, and the power supply control method further includes:

[0083] Step S1202: Control system 1 and control system 2 establish network communication.

[0084] Step S1204, determine whether the network communication has been established, if so, execute step S1206, if not, execute step S1204 to perform a loop determination.

[0085] Step S1206, control unit 1 feedbacks a high level signal, if yes, execute step S1208, if no, execute step S1224.

[0086] In step S1208, the control unit 2 feedbacks a high level signal. If yes, execute step S1210; if no, execute step S1218.

[0087] Step S1210, charging is performed according to the feedback status of the power battery.

[0088] Step S1212, determine whether the temperature, voltage, and current signals are normal, if so, execute step S1214, if not, execute step S1216.

[0089] Step S1214, continue charging.

[0090] Step S1216, temperature trigger, report "connector temperature too high fault"; stop charging.

[0091] Step S1218, determine whether the timing is triggered and the cumulative time exceeds 20s. If so, execute step S1220, if not, execute step S1222.

[0092] Step S1220 , reporting “abnormal charging socket feedback”, the control system 2 sends a charging stop command through the network to disconnect the electronic control relay 2 .

[0093] Step S1222, reporting "charging plug connected".

[0094] Step S1224, determine whether the timing is triggered and the cumulative time exceeds 20s. If so, execute step S1226, if not, execute step S1228.

[0095] Step S1226 , reporting “abnormal charging plug feedback”, the control system 1 sends a charging stop command through the network, blocks the power unit, and disconnects the electronic control relay 1 .

[0096] Step S1228, report "charging plug connected".

[0097] In an exemplary embodiment of the present disclosure, when the charging plug is connected to the charging socket, control unit 1 and control unit 2 start to establish network communication. At the same time, control system 1 and control system 2 identify the feedback signal state. When both systems recognize a high level, it is considered that the connector is plugged in, and the charging system is ready. When control system 2 (battery end or vehicle end) issues a start charging command, control system 1 and control system 2 act according to the pre-designed control logic and start charging.

[0098] In an exemplary embodiment of the present disclosure, if the connector becomes loose or is plugged in or out of order during charging, the following situations may occur:

[0099] (1) The feedback signal received by control unit 1 changes, triggering control system 1 to enter the protection logic, stopping the power unit from outputting electrical energy, disconnecting electronic control relay 1, and sending the abnormal status and charging stop instruction to control system 2 through the network, triggering the protection program of control system 2, disconnecting electronic control relay 2, and terminating charging.

[0100] (2) The feedback signal received by the control unit 2 changes, the electronic control relay 2 is disconnected, and the abnormal state and the charging stop instruction are sent to the control system 1 through the network, triggering the protection logic of the control system 1, stopping the power unit from outputting electric energy, and disconnecting the electronic control relay 1.

[0101] (3) The drive circuit of the electronic control relay 1 is disconnected, the electronic control relay 1 is directly disconnected, and the charging is terminated.

[0102] (4) The drive circuit of the electronically controlled relay 2 is disconnected, the electronically controlled relay 2 is directly disconnected, and charging is terminated.

[0103] (5) The false connection causes the connector temperature to rise rapidly, exceeding the protection threshold, triggering the protection logic of control system 1, stopping the power unit from outputting power, and disconnecting electronic control relay 1; the abnormal status and charging stop instruction are sent to control system 2 through the network, triggering the protection program of control system 2, disconnecting electronic control relay 2, and charging is terminated.

[0104] Corresponding to the above embodiments, the present disclosure also provides a power supply control device, which can be used to execute the above embodiments.

[0105] Fig.13 is a block diagram of a power supply control device in an exemplary embodiment of the present disclosure.

[0106] refer to Fig.13 The power supply control device 1300 is applicable to the power supply drive circuit described in any of the above technical solutions, and the power supply control device 1300 includes: a detection unit 1302, which is used to detect whether the power supply feedback signal of the fourth control circuit of the control circuit is a first level signal within a specified time, and whether the power supply feedback signal of the fifth control circuit of the control circuit is a second level signal after detecting that the control circuit between the first control unit and the second control unit is connected; a drive unit 1304, which is used to determine whether to disconnect the electric control relay or charge through the charging circuit according to the detection results of the first drive signal and the second drive signal.

[0107] In an exemplary embodiment of the present disclosure, the electronically controlled relay includes a first electronically controlled relay and a second electronically controlled relay, and the power supply control device 1300 is also used to: determine whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determine whether to disconnect the second electronically controlled relay according to the detection result of the second level signal; if the first level signal and the second level signal are detected within the specified time, trigger the first control unit to output a first drive signal to the first electronically controlled relay through the second control circuit to control the first electronically controlled relay to close; trigger the second control unit to output a second drive signal to the second electronically controlled relay through the third control circuit to control the second electronically controlled relay to close, and connect the charging circuit through the closed first electronically controlled relay and the closed second electronically controlled relay for charging.

[0108] In an exemplary embodiment of the present disclosure, the power supply control device 1300 is also used to: if it is detected that the first level signal is changed to a third level signal within the specified time, trigger the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay to stop the charging plug module from outputting electric energy; control the first control unit to send a charging stop instruction to the second control unit through the communication line, trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the charging line by disconnecting the second electronically controlled relay.

[0109] In an exemplary embodiment of the present disclosure, the power supply control device 1300 is also used for: if it is detected that the second level signal becomes a fourth level signal within the specified time, triggering the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay to stop the charging socket module from obtaining electrical energy; controlling the second control unit to send a charging stop instruction to the first control unit through the communication line, triggering the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the charging line by disconnecting the first electronically controlled relay.

[0110] In an exemplary embodiment of the present disclosure, the power supply control device 1300 is also used to: obtain temperature information detected by a terminal temperature sensor, wherein the temperature information is used to indicate the temperature when the high-voltage plug and the high-voltage socket are connected; if it is detected that the change rate of the temperature information is greater than a preset temperature change rate, the charging plug module is stopped from outputting electric energy, and the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay; a charging stop instruction is sent to the second control unit through a communication line to trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0111] In an exemplary embodiment of the present disclosure, the power supply control device 1300 is also used to: if it is detected that the communication line between the first control unit and the second control unit is disconnected, trigger the first control unit to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay, and / or trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

[0112] Since the functions of the device 1300 have been described in detail in the corresponding embodiments, the present disclosure will not elaborate on them here.

[0113] It should be noted that, although several modules or units of the device for action execution are mentioned in the above detailed description, this division is not mandatory. In fact, according to the embodiments of the present disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. On the contrary, the features and functions of one module or unit described above can be further divided into multiple modules or units to be embodied.

[0114] In an exemplary embodiment of the present disclosure, an electronic device capable of implementing the above is also provided.

[0115] Those skilled in the art will appreciate that various aspects of the present invention may be implemented as a system or a program product. Therefore, various aspects of the present invention may be specifically implemented in the following forms, namely: a complete hardware implementation, a complete software implementation (including firmware, microcode, etc.), or a combination of hardware and software, which may be collectively referred to herein as a "circuit", "module" or "system".

[0116] Refer to the following Fig.14 14 to 15. The electronic device 1400 according to this embodiment of the present invention is described. Fig.14The electronic device 1400 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0117] like Fig.14 As shown, the electronic device 1400 is in the form of a general computing device. The components of the electronic device 1400 may include but are not limited to: at least one processing unit 1410, at least one storage unit 1420, and a bus 1430 connecting different system components (including the storage unit 1420 and the processing unit 1410).

[0118] The storage unit stores program codes, which can be executed by the processing unit 1410, so that the processing unit 1410 performs the steps according to various exemplary embodiments of the present invention described in the above "Exemplary" section of this specification. For example, the processing unit 1410 can perform as shown in the embodiment of the present disclosure.

[0119] The storage unit 1420 may include a readable medium in the form of a volatile storage unit, such as a random access storage unit (RAM) 14201 and / or a cache storage unit 14202 , and may further include a read-only storage unit (ROM) 14203 .

[0120] The storage unit 1420 may also include a program / utility 14204 having a set (at least one) of program modules 14205, such program modules 14205 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment.

[0121] Bus 1430 may represent one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

[0122] The electronic device 1400 may also communicate with one or more external devices 1440 (e.g., keyboards, pointing devices, Bluetooth devices, etc.), may also communicate with one or more devices that enable a user to interact with the electronic device 1400, and / or communicate with any device that enables the electronic device 1400 to communicate with one or more other computing devices (e.g., routers, modems, etc.). Such communication may be performed via an input / output (I / O) interface 1450. Furthermore, the electronic device 1400 may also communicate with one or more networks (e.g., local area networks (LANs), wide area networks (WANs), and / or public networks, such as the Internet) via a network adapter 1460. As shown, the network adapter 1460 communicates with other modules of the electronic device 1400 via a bus 1430. It should be understood that, although not shown in the figure, other hardware and / or software modules may be used in conjunction with the electronic device 1400, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems.

[0123] Through the description of the above implementation, it is easy for those skilled in the art to understand that the example implementation described here can be implemented by software, or by software combined with necessary hardware. Therefore, the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute according to the implementation of the present disclosure.

[0124] In an exemplary embodiment of the present disclosure, a computer-readable storage medium is also provided, on which a program product capable of implementing the above-mentioned program product of this specification is stored. In some possible implementations, various aspects of the present invention can also be implemented in the form of a program product, which includes a program code, and when the program product is run on a terminal device, the program code is used to enable the terminal device to execute the steps according to various exemplary implementations of the present invention described in the above-mentioned "Exemplary" section of this specification.

[0125] The program product for implementing the above according to the embodiment of the present invention can adopt a portable compact disk read-only memory (CD-ROM) and include program code, and can be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited to this. In this document, the readable storage medium can be any tangible medium containing or storing a program, which can be used by or in combination with an instruction execution system, an apparatus or a device.

[0126] Among them, the readable medium can be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of readable storage media (a non-exhaustive list) include: an electrical connection with one or more wires, a portable disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0127] Computer readable signal media may include data signals propagated in baseband or as part of a carrier wave, in which readable program code is carried. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Readable signal media may also be any readable medium other than a readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0128] The program code embodied on the readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.

[0129] In an exemplary embodiment of the present disclosure, a computer program product is also provided, which can be loaded or stored in any combination of one or more readable media, and can be written in any combination of one or more programming languages ​​to perform the program code of the present invention, including object-oriented programming languages ​​such as Java, C++, etc., and also conventional procedural programming languages ​​such as "C" language or similar programming languages. The program code can be executed entirely on the user computing device, partially on the user device, as an independent software package, partially on the user computing device and partially on a remote computing device, or completely on a remote computing device or server. In the case of a remote computing device, the remote computing device can be connected to the user computing device through any type of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computing device (for example, using an Internet service provider to connect through the Internet).

[0130] In addition, the above-mentioned figures are only schematic illustrations of the processes included according to exemplary embodiments of the present invention, and are not intended to be limiting. It is easy to understand that the processes shown in the above-mentioned figures do not indicate or limit the time sequence of these processes. In addition, it is also easy to understand that these processes can be performed synchronously or asynchronously, for example, in multiple modules.

[0131] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are to be considered exemplary only, and the true scope and concept of the present disclosure are indicated by the claims.

Claims

1. A power supply driving circuit, characterized in that: include: Charging plug module; The charging socket module is connected to the charging plug module for charging via a high-voltage plug assembly, and the charging socket module is connected to the charging plug module for control via a low-voltage plug assembly; The plugging distance between the high-voltage plug and the high-voltage socket of the high-voltage plug assembly is greater than the plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug assembly.

2. The power supply driving circuit according to claim 1, characterized in that: The charging plug module includes a first control unit, a high-voltage power supply unit, a high-voltage plug circuit and a low-voltage pin circuit; The charging socket module includes a second control unit, a charging battery unit, a high-voltage socket circuit and a low-voltage socket circuit; The high-voltage plug circuit and the high-voltage socket circuit are connected to the charging circuit through the high-voltage pin and the high-voltage jack, and the low-voltage pin circuit and the low-voltage socket circuit are connected to the control circuit through the plugging of the low-voltage pin and the low-voltage jack.

3. The power supply driving circuit according to claim 2, characterized in that: The control circuit includes a first control circuit, and the low-voltage plug assembly includes a first low-voltage pin and a first low-voltage socket. The first control circuit is connected to the first low-voltage pin of the first control unit and the first low-voltage socket integrated in the second control unit. The connection of the first control circuit is achieved by plugging the first low-voltage pin and the first low-voltage socket. The first control unit and the second control unit achieve communication line connection through the connected first control circuit.

4. The power supply driving circuit according to claim 2, characterized in that: The control circuit further includes a second control circuit, the low-voltage plug assembly includes a second low-voltage pin and a second low-voltage jack, and the power supply drive circuit further includes: The first electronically controlled relay is arranged in the circuit between the high-voltage plug circuit and the high-voltage power supply unit. The second control circuit is connected to the second low-voltage pin of the first control unit and the second low-voltage jack integrated in the charging socket module. The connection of the second control circuit is achieved by plugging the second low-voltage pin and the second low-voltage jack. The first control unit is connected to the first electronically controlled relay through the second control circuit to output a first drive signal to the first electronically controlled relay. The first drive signal is used to control the closing of the first electronically controlled relay.

5. The power supply driving circuit according to claim 2, characterized in that: The control circuit further includes a third control circuit, the low-voltage plug assembly includes a third low-voltage pin and a third low-voltage jack, and the power supply drive circuit further includes: The second electronically controlled relay is arranged in the circuit between the high-voltage socket circuit and the charging battery unit. The third control circuit is connected to the third low-voltage pin of the second control unit and the third low-voltage socket integrated in the charging plug module. The connection of the third control circuit is achieved by plugging the third low-voltage pin and the third low-voltage socket. The second control unit is connected to the second electronically controlled relay through the third control circuit to output a second drive signal to the second electronically controlled relay. The second drive signal is used to control the closing of the second electronically controlled relay.

6. The power supply driving circuit according to claim 2, characterized in that: The control circuit also includes a fourth control circuit, and the low-voltage plug assembly includes a fourth low-voltage pin and a fourth low-voltage socket. The fourth control circuit is connected to the fourth low-voltage pin of the first control unit and the fourth low-voltage socket integrated in the charging socket module. The connection of the fourth control circuit is achieved by plugging the fourth low-voltage pin and the fourth low-voltage socket, so that the first control unit obtains the power supply feedback signal of the charging plug module through the connected fourth control circuit.

7. The power supply driving circuit according to claim 2, characterized in that: The control circuit also includes a fifth control circuit, and the low-voltage plug assembly includes a fifth low-voltage pin and a fifth low-voltage socket. The fifth control circuit is connected to the fifth low-voltage pin of the second control unit and the fifth low-voltage socket integrated in the charging plug module. The connection of the fifth control circuit is achieved by plugging the fifth low-voltage pin and the fifth low-voltage socket, so that the second control unit obtains the power supply feedback signal of the charging socket module through the connected fifth control circuit.

8. The power supply driving circuit according to any one of claims 2 to 7, characterized in that: Also includes: A terminal temperature sensor is integrated in the high-voltage plug and connected to the first control unit to detect the temperature of the high-voltage plug and feed back to the first control unit.

9. A new energy vehicle, characterized in that: include: A vehicle body, provided with a charging socket module in the power supply drive circuit as claimed in any one of claims 1 to 8, wherein the charging socket module is connected to the charging plug module on the power supply side through a high-voltage plug assembly for charging, and the charging socket module is connected to the charging plug module for control through a low-voltage plug assembly; The plugging distance between the high-voltage plug and the high-voltage socket of the high-voltage plug assembly is greater than the plugging distance between the low-voltage pin and the low-voltage socket of the low-voltage plug assembly.

10. A power supply control method, characterized in that: Applicable to the power supply driving circuit according to any one of claims 1 to 8, the power supply control method comprises: After detecting that the control circuit between the first control unit and the second control unit is connected, detecting whether the power supply feedback signal of the fourth control circuit of the control circuit is a first level signal within a specified time, and whether the power supply feedback signal of the fifth control circuit of the control circuit is a second level signal; Determine whether to disconnect the electronically controlled relay or to charge through the charging line according to the detection results of the first level signal and the second level signal.

11. The power supply control method according to claim 10, characterized in that: The electronically controlled relay includes a first electronically controlled relay and a second electronically controlled relay, and determining to disconnect the electronically controlled relay or to charge through a charging line according to the detection results of the first level signal and the second level signal includes: Determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal; If the first level signal and the second level signal are detected within the specified time, triggering the first control unit to output a first drive signal to the first electronically controlled relay through the second control circuit to control the first electronically controlled relay to close; The second control unit is triggered to output a second drive signal to the second electronically controlled relay through the third control circuit to control the second electronically controlled relay to close, and the charging circuit is connected through the closed first electronically controlled relay and the closed second electronically controlled relay to charge.

12. The power supply control method according to claim 11, characterized in that: Determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal includes: If it is detected that the first level signal changes to a third level signal within the specified time, the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay to stop the charging plug module from outputting electric energy; The first control unit is controlled to send a charging stop instruction to the second control unit through the communication line, triggering the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line, so as to disconnect the charging line by disconnecting the second electronically controlled relay.

13. The power supply control method according to claim 11, characterized in that: Determining whether to disconnect the first electronically controlled relay according to the detection result of the first level signal, and / or determining whether to disconnect the second electronically controlled relay according to the detection result of the second level signal further includes: If it is detected that the second level signal changes to a fourth level signal within the specified time, the second control unit is triggered to output a fourth drive signal to the second electronically controlled relay through the third control circuit to disconnect the second electronically controlled relay to stop the charging socket module from obtaining electric energy; The second control unit is controlled to send a charging stop instruction to the first control unit through a communication line, triggering the first control unit to output a third drive signal to the first electronically controlled relay through the second control line, so as to disconnect the charging line by disconnecting the first electronically controlled relay.

14. The power supply control method according to any one of claims 11 to 13, characterized in that: Also includes: Acquire temperature information detected by a terminal temperature sensor, where the temperature information is used to indicate the temperature when the high-voltage plug and the high-voltage jack are plugged in; If it is detected that the change rate of the temperature information is greater than the preset temperature change rate, the charging plug module is stopped from outputting electric energy, and the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay; A charging stop instruction is sent to the second control unit through the communication line to trigger the second control unit to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

15. The power supply control method according to any one of claims 11 to 13, characterized in that: Also includes: If it is detected that the communication line between the first control unit and the second control unit is disconnected, the first control unit is triggered to output a third drive signal to the first electronically controlled relay through the second control line to disconnect the first electronically controlled relay, and / or the second control unit is triggered to output a fourth drive signal to the second electronically controlled relay through the third control line to disconnect the second electronically controlled relay.

16. A power supply control device, characterized in that: Applicable to the power supply driving circuit according to any one of claims 1 to 8, the power supply control device comprises: a detection unit, configured to detect whether a power supply feedback signal of a fourth control circuit of the control circuit is a first level signal within a specified time after detecting that a control circuit between the first control unit and the second control unit is connected, and whether a power supply feedback signal of a fifth control circuit of the control circuit is a second level signal; The driving unit is used to determine whether to disconnect the electronically controlled relay or to charge through the charging line according to the detection results of the first driving signal and the second driving signal.

17. A computer-readable storage medium having a program stored thereon, wherein when the program is executed by a processor, the power supply control method according to any one of claims 10 to 15 is implemented.

18. A computer program product comprising a computer program, characterized in that When the computer program is executed by a processor, the power supply control method according to any one of claims 10 to 15 is implemented.

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