Charging connection apparatus, data update method, vehicle and charging system

Abstract

The present application provides a charging connection apparatus, a data update method, a vehicle, and a charging system. The charging connection apparatus comprises a control confirmation function line, a ground line, a control module, and a communication module, the communication module being electrically connected to the control module, the control confirmation function line, and the ground line. By providing the communication module between the control module and the control confirmation function line, a universal burning tool can update configuration data in the control module by means of the control confirmation function line and the ground line, which ameliorates the limitation that updating the configuration data of the charging connection apparatus needs a special burning tool.

Description

Charging connection device, data updating method, vehicle and charging system

[0001] Cross-reference to Related Applications

[0002] The present application claims priority to the Chinese patent application No. 202411312047.1, filed on September 19, 2024, and entitled “Charging connection device, data updating method, vehicle and charging system”, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of electronics, and in particular to a charging connection device, a data updating method, a vehicle and a charging system. BACKGROUND

[0004] The charging connection device controls the state of external charging through the software configured by it.

[0005] However, when the software or configuration data in the charging connection device needs to be updated, a special burning tool is required to update the software or configuration data in the charging connection device, which increases the restrictiveness of configuration data updating. SUMMARY

[0006] The embodiments of the present application provide a charging connection device, a data updating method, a vehicle and a charging system, which improve the restrictiveness that the configuration data updating of the charging connection device needs to use a special burning tool, to at least partially solve the above technical problems.

[0007] In order to achieve the above-mentioned purpose, according to the first aspect of the present application, a charging connection device is provided, comprising a control confirmation function line, a ground line, a control module and a communication module, the communication module is electrically connected with the control module, the control confirmation function line and the ground line, and is used to update the configuration data in the control module through the control confirmation function line and the ground line.

[0008] Optionally, the communication module comprises a serial communication chip and a peripheral circuit, the serial communication chip is connected with the control module through a serial communication interface; the peripheral circuit is connected between the serial communication chip and the control confirmation function line, and the peripheral circuit is connected between the serial communication chip and the control module.

[0009] Optionally, the peripheral circuit comprises a first resistor, a second resistor, a first capacitor, a third resistor and a fourth resistor, one end of the first resistor is connected with the control confirmation function line; one end of the second resistor is connected with the other end of the first resistor, and the other end of the second resistor is connected with the transmitting and receiving pin of the serial communication chip; one end of the first capacitor is connected with one end of the second resistor and the other end of the first resistor, and the other end of the first capacitor is connected with the ground pin of the serial communication chip and the ground wire; the third resistor is connected between the serial transmitting pin of the serial communication chip and the serial transmitting pin of the control module; and the fourth resistor is connected between the serial receiving pin of the serial communication chip and the serial receiving pin of the control module.

[0010] Optionally, the peripheral circuit further comprises a fifth resistor, a second capacitor, a sixth resistor, a seventh resistor, a third capacitor, a fourth capacitor, a fifth capacitor and an eighth resistor, one end of the fifth resistor is connected with one end of the fourth resistor and the serial receiving pin of the control module, and the other end of the fifth resistor is connected with the first power supply end and the first power supply pin of the control module; one end of the second capacitor is connected with the first power supply end, and the other end of the second capacitor is connected with the ground wire and the second power supply pin of the control module; one end of the sixth resistor is connected with the wake-up pin of the serial communication chip; one end of the seventh resistor is connected with the other end of the sixth resistor, the first general-purpose pin of the control module and the wake-up pin, and the other end of the seventh resistor is connected with the ground wire; one end of the third capacitor is connected with one end of the seventh resistor, and the other end of the third capacitor is connected with the ground wire; one end of the fourth capacitor is connected with the second power supply end and the power supply pin of the serial communication chip, and the other end of the fourth capacitor is connected with the ground wire; the fifth capacitor is connected in parallel with the fourth capacitor; and the eighth resistor is connected between the second power supply end and the enable pin of the serial communication chip.

[0011] Optionally, the control module comprises a micro control unit, a sixth capacitor and a seventh capacitor, the micro control unit is connected with the communication module, the micro control unit enters the burning mode when the micro control unit receives the burning instruction within the preset time period with the starting time as the current time; one end of the sixth capacitor is connected with the first power supply end and the third power supply pin of the micro control unit, and the other end of the sixth capacitor is connected with the ground wire and the fourth power supply pin of the micro control unit; one end of the seventh capacitor is connected with the first power supply end and the fifth power supply pin of the micro control unit, and the other end of the seventh capacitor is connected with the ground wire and the sixth power supply pin of the micro control unit.

[0012] Optionally, the charging connection device further comprises a power supply module, a power supply switch and a relay, the input end of the power supply module is connected with the power supply wire, the first output end of the power supply module is connected with the first power supply end; the control end of the power supply switch is connected with the micro control unit, one end of the power supply switch is connected with the second output end of the power supply module; the coil of the relay is connected between the other end of the power supply switch and the ground wire, and the contact group of the relay is connected in series in the power supply wire.

[0013] Optionally, the charging connection device further comprises a communication module, the communication module being connected between the control confirmation function line and the control module.

[0014] Optionally, the communication module comprises a first branch and a second branch, the first branch being connected between the control confirmation function line and a second general pin of the control module; the second branch being connected between the control confirmation function line and a third general pin of the control module.

[0015] Optionally, the first branch comprises a first diode and a comparator, a positive electrode of the first diode being connected with the second general pin; a first input end of the comparator being connected with a negative electrode of the first diode; a second input end of the comparator being connected with a first reference voltage; an output end of the comparator being connected with the control confirmation function line.

[0016] Optionally, the first branch further comprises a ninth resistor, a tenth resistor and an eleventh resistor, one end of the ninth resistor being connected with the first input end of the comparator; the other end of the ninth resistor being connected with the negative electrode of the first diode; one end of the tenth resistor being connected with the negative electrode of the first diode; the other end of the tenth resistor being connected with a ground wire; the eleventh resistor being connected between the output end of the comparator and the control confirmation function line.

[0017] Optionally, the first branch further comprises a twelfth resistor, a thirteenth resistor and an eighth capacitor, one end of the twelfth resistor being connected with the second power supply end; the other end of the twelfth resistor being connected with the second input end of the comparator; one end of the thirteenth resistor being connected with the second input end of the comparator; the other end of the thirteenth resistor being connected with the ground wire; one end of the eighth capacitor being connected with the thirteenth resistor in parallel.

[0018] Optionally, the second branch comprises an amplifier and a second diode, a first input end of the amplifier being connected with the control confirmation function line; a second input end of the amplifier being connected with an output end of the amplifier; an anode of the second diode being connected with the output end of the amplifier; a cathode of the second diode being connected with the third general pin.

[0019] Optionally, the second branch further comprises a fourteenth resistor, a transient voltage suppression diode and a ninth capacitor, one end of the fourteenth resistor being connected with the first input end of the amplifier; the other end of the fourteenth resistor being connected with the control confirmation function line; the transient voltage suppression diode being connected between the other end of the fourteenth resistor and the ground wire; the ninth capacitor being connected between one end of the fourteenth resistor and the ground wire.

[0020] Optionally, the second branch further comprises a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, a tenth capacitor and an eleventh capacitor, one end of the fifteenth resistor is connected with the cathode of the second diode; one end of the sixteenth resistor is connected with the other end of the fifteenth resistor, the other end of the sixteenth resistor is connected with the third universal pin; one end of the seventeenth resistor is connected with the other end of the sixteenth resistor, the other end of the seventeenth resistor is connected with the ground wire; one end of the tenth capacitor is connected with the other end of the fifteenth resistor, the other end of the tenth capacitor is connected with the ground wire; the eleventh capacitor is connected with the seventeenth resistor in parallel.

[0021] According to a second aspect of the present application, a data updating method is provided, the data updating method is applied to the charging connection device, and the data updating method comprises the following steps: determining whether a burning instruction is received within a preset time period with a power-on time of the control module as a starting time; if the burning instruction is received, the control module enters a burning mode; and configuration data in the control module is updated through the control of the confirmation function line and the ground wire.

[0022] Optionally, the configuration data in the control module is updated through the control of the confirmation function line and the ground wire, and the configuration data in the control module is updated through the control of the confirmation function line and the ground wire by the universal burning fixture.

[0023] Optionally, if the burning instruction is not received, the control module enters a charging mode.

[0024] According to a third aspect of the present application, a vehicle is further provided, the vehicle is connected with the charging connection device, and the vehicle is charged through the charging connection device.

[0025] According to a fourth aspect of the present application, a charging system is further provided, the charging system comprises the vehicle and the charging connection device, and the vehicle is charged through the charging connection device.

[0026] The charging connection device, the data updating method, the vehicle and the charging system provided by the embodiments of the present application can increase a communication module between the control module and the control confirmation function line, so that the universal burning fixture can update the configuration data in the control module through the control of the confirmation function line and the ground wire, and the limitation that the configuration data of the charging connection device needs to be updated by the specially-made burning fixture is improved.

[0027] Other features and advantages of the present application will be described in detail in the following specific implementation part. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some of the embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on these drawings also belong to the protection scope of the present application.

[0029] Fig. 1 is a structural schematic diagram of a charging connection device provided in an exemplary embodiment of the present disclosure;

[0030] Fig. 2 is a principle block diagram of the charging connection device provided in an exemplary embodiment of the present disclosure;

[0031] Fig. 3 is a circuit principle diagram of a communication module (32) provided in an exemplary embodiment of the present disclosure;

[0032] Fig. 4 is a partial circuit principle diagram of the charging connection device provided in an exemplary embodiment of the present disclosure;

[0033] Fig. 5 is a circuit principle diagram of a control module (31) provided in an exemplary embodiment of the present disclosure;

[0034] Fig. 6 is a circuit principle diagram of a communication module (33) provided in an exemplary embodiment of the present disclosure;

[0035] Fig. 7 is a flow schematic diagram of a data updating method provided in an exemplary embodiment of the present disclosure.

[0036] Legend of reference numerals: 10, input three-eye plug; 20, first cable; 30, control box; 31, control module; 32, communication module; 321, peripheral circuit; 33, communication module; 331, first branch; 332, second branch; 34, power module; 35, relay; 40, second cable; 50, output charging gun head. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort also belong to the protection scope of the present application.

[0038] Please refer to Figs. 1 to 7. The charging connection device shown in Fig. 1 can exemplarily include an input three-eye plug 10, a first cable 20, a control box 30, a second cable 40 and an output charging gun head 50 which are electrically connected in sequence. The features and advantages of each part will be described in detail later.

[0039] The embodiment of the present application provides a charging connection device, as shown in Fig. 2, which comprises a control confirmation function line CP, a ground line PE, a control module 31 and a communication module 32. The communication module 32 is electrically connected with the control module 31, the control confirmation function line CP and the ground line PE, and is used for updating configuration data in the control module 31 through the control confirmation function line CP and the ground line PE.

[0040] It can be understood that, by adding the communication module 32 between the control module 31 and the control confirmation function line CP, the charging connection device of the embodiment of the present application can update the configuration data in the control module 31 through the control confirmation function line CP and the ground line PE by using a general-purpose burning fixture, which improves the limitation that the updating of the configuration data of the charging connection device needs to use a special burning fixture.

[0041] It should be noted that the control module 31 and the communication module 32 can be arranged in the control box 30. The control confirmation function line CP can extend from the control box 30 to the output charging gun head 50 through the second cable 40. The ground line PE can extend from the input three-eye plug 10 to the output charging gun head 50 through the first cable 20, the control box 30 and the second cable 40.

[0042] The control confirmation function line CP is used for transmitting a CP signal in a charging mode, and is used for transmitting data together with the ground line PE in a burning mode.

[0043] In some embodiments, as shown in Fig. 3, the communication module 32 comprises a serial communication chip U11 and a peripheral circuit 321. The serial communication chip U11 is connected with the control module 31 through a serial communication interface. The peripheral circuit 321 is connected between the serial communication chip U11 and the control confirmation function line CP, and is connected between the serial communication chip U11 and the control module 31.

[0044] It should be noted that the peripheral circuit 321 is used for adaptively implementing parameter setting of the serial communication chip U11. The serial communication chip U11 can be a serial communication chip such as a Lin communication chip or a CON communication chip.

[0045] Optionally, as shown in FIG. 3, the peripheral circuit 321 comprises at least one of a first resistor RL10, a second resistor RL18, a first capacitor CL5, a third resistor RL2 and a fourth resistor RL1, one end of the first resistor RL10 is connected with the control confirmation function line CP; one end of the second resistor RL18 is connected with the other end of the first resistor RL10, and the other end of the second resistor RL18 is connected with the transmitting and receiving pin LIN of the serial communication chip U11; one end of the first capacitor CL5 is connected with one end of the second resistor RL18 and the other end of the first resistor RL10, and the other end of the first capacitor CL5 is connected with the ground pin GND of the serial communication chip U11 and the ground wire PE; the third resistor RL2 is connected between the serial transmitting pin TXD of the serial communication chip U11 and the serial transmitting pin PE0 / SCIO_TX of the control module 31; and the fourth resistor RL1 is connected between the serial receiving pin RXD of the serial communication chip U11 and the serial receiving pin PE1 / SCIO_RX of the control module 31.

[0046] Optionally, the peripheral circuit 321 further comprises at least one of a fifth resistor RL3, a second capacitor C11, a sixth resistor RL5, a seventh resistor RL6, a third capacitor CL1, a fourth capacitor CL6, a fifth capacitor CL3 and an eighth resistor RL7, one end of the fifth resistor RL3 is connected with one end of the fourth resistor RL1 and the serial receiving pin PE1 / SCIO_RX of the control module 31, and the other end of the fifth resistor RL3 is connected with the first power supply end +5V and the first power supply pin IOVCC of the control module 31; one end of the second capacitor C11 is connected with the first power supply end +5V, and the other end of the second capacitor C11 is connected with the ground wire PE and the second power supply pin IOVSS of the control module 31; one end of the sixth resistor RL5 is connected with the wake-up pin SLP_N of the serial communication chip U11; one end of the seventh resistor RL6 is connected with the other end of the sixth resistor RL5, the first general-purpose pin PB7 / PIB7 / ADC15 of the control module 31 and the wake-up pin SLP_N, and the other end of the seventh resistor RL6 is connected with the ground wire PE; one end of the third capacitor CL1 is connected with one end of the seventh resistor RL6, and the other end of the third capacitor CL1 is connected with the ground wire PE; one end of the fourth capacitor CL6 is connected with the second power supply end +12V and the power supply pin Vbat of the serial communication chip U11, and the other end of the fourth capacitor CL6 is connected with the ground wire PE; the fifth capacitor CL3 is connected with the fourth capacitor CL6 in parallel; and the eighth resistor RL7 is connected between the second power supply end +12V and the enable pin E_N of the serial communication chip U11.

[0047] It needs to be explained that the configuration data in the control module 31 is updated by using the serial communication chip U11 and the peripheral circuit 321, the burning process is simple, and a special burning tool is not needed. Moreover, the circuit is simple, and the cost is low.

[0048] Optionally, as shown in FIG. 4 and FIG. 5, the control module 31 comprises a micro control unit U10, a sixth capacitor C10 and a seventh capacitor C13. The micro control unit U10 is connected with the communication module 32. The micro control unit U10 enters the burning mode when the burning instruction is received within the preset time period with the starting time as the current time. One end of the sixth capacitor C10 is connected with the first power supply end +5V and the third power supply pin VDD of the micro control unit U10. The other end of the sixth capacitor C10 is connected with the ground wire PE and the fourth power supply pin VSS of the micro control unit U10. One end of the seventh capacitor C13 is connected with the first power supply end +5V and the fifth power supply pin 39 of the micro control unit U10. The other end of the seventh capacitor C13 is connected with the ground wire PE and the sixth power supply pin 38 of the micro control unit U10.

[0049] It should be noted that the micro control unit U10 can be an MCU, a DSP or a programmable logic gate array.

[0050] Optionally, as shown in FIG. 4, the charging connection device further comprises a power module 34, a power switch K and a relay 35. The input end of the power module 34 is connected with the power line. The first output end of the power module 34 is connected with the first power supply end +5V. The control end of the power switch K is connected with the micro control unit U10. One end of the power switch K is connected with the second output end of the power module 34. The coil of the relay 35 is connected between the other end of the power switch K and the ground wire PE. The contact group of the relay 35 is connected in series in the power line.

[0051] It should be noted that the power line can be used to transmit the mains or the direct current. The mains can be the single-phase alternating current or the three-phase alternating current. L-in and N-in represent the input ends of the power line transmitting the single-phase alternating current in the input three-pin plug 10. L-out and N-out represent the output ends of the power line transmitting the single-phase alternating current in the output charging gun head.

[0052] The power module 34 can provide the required working voltage for the charging connection device, such as +5V, +12V, -12V and the like. The micro control unit U10 can be used to control the conduction or disconnection of the power switch K, so as to control whether the coil of the relay 35 is powered. The contact group of the relay 35 can control the conduction or disconnection of the power line, so as to control whether the charging connection device charges externally.

[0053] Optionally, the charging connection device further comprises a display connected with the micro control unit U10, so as to display the parameters of the micro control unit U10.

[0054] Optionally, as shown in FIG. 6, the charging connection device further comprises a communication module 33 connected between the control confirmation function line CP and the control module 31.

[0055] It needs to be explained that the communication module 33 is used to realize the transmission and processing of the CP signal (control pilot function signal). The CP signal is mainly used to monitor the interaction between the electric vehicle and the electric vehicle power supply device (charging pile), to ensure smooth communication during charging, including charging guidance, confirming whether the charging gun is physically connected, etc., and through specific communication protocols and mechanisms, to realize data interaction between the charging pile, the vehicle, the power grid and the background management system.

[0056] Optionally, as shown in FIG. 6, the communication module 33 includes a first branch 331 and a second branch 332. The first branch 331 is connected between the control confirmation function line CP and the second general pin PD7 / PID7PWM_CH5 of the control module 31. The second branch 332 is connected between the control confirmation function line CP and the third general pin PC0 / ADC16 of the control module 31.

[0057] It needs to be explained that the pin of the control module 31 connected with the first branch 331 is not limited to the second general pin PD7 / PID7PWM_CH5, but can also be other general pins of the control module 31. The pin of the control module 31 connected with the second branch 332 is not limited to the third general pin PC0 / ADC16, but can also be other general pins of the control module 31.

[0058] Optionally, as shown in FIG. 6, the first branch 331 includes a first diode D10 and a comparator U20A. The positive electrode of the first diode D10 is connected with the second general pin PD7 / PID7PWM_CH5. The first input end of the comparator U20A is connected with the negative electrode of the first diode D10. The second input end of the comparator U20A is connected with a first reference voltage. The output end of the comparator U20A is connected with the control confirmation function line CP.

[0059] It needs to be explained that the first input end of the comparator U20A can be the positive input end of the comparator U20A. The second input end of the comparator U20A can be the negative input end of the comparator U20A. The working voltage required by the comparator U20A can exemplarily be +12V and -12V.

[0060] Optionally, as shown in FIG. 6, the first branch 331 further comprises at least one of a ninth resistor R12, a tenth resistor R13 and an eleventh resistor R14, one end of the ninth resistor R12 is connected with the first input end of the comparator U20A, the other end of the ninth resistor R12 is connected with the negative electrode of the first diode D10; one end of the tenth resistor R13 is connected with the negative electrode of the first diode D10, the other end of the tenth resistor R13 is connected with the ground wire PE; the eleventh resistor R14 is connected between the output end of the comparator U20A and the control confirmation function line CP.

[0061] It should be noted that the ninth resistor R12 and the tenth resistor R13 are used for voltage division of the negative electrode voltage of the first diode D10. The eleventh resistor R14 is used for adjusting the output voltage and / or current of the comparator U20A.

[0062] Optionally, as shown in FIG. 6, the first branch 331 further comprises a twelfth resistor R11, a thirteenth resistor R10 and an eighth capacitor C20, one end of the twelfth resistor R11 is connected with the second power supply end +12V, the other end of the twelfth resistor R11 is connected with the second input end of the comparator U20A; one end of the thirteenth resistor R10 is connected with the second input end of the comparator U20A, the other end of the thirteenth resistor R10 is connected with the ground wire PE; one end of the eighth capacitor C20 is connected with the thirteenth resistor R10 in parallel.

[0063] It should be noted that the twelfth resistor R11 and the thirteenth resistor R10 are used for voltage division of the voltage of the second power supply end +12V to obtain the first reference voltage. The eighth capacitor C20 can make the first reference voltage more stable.

[0064] Optionally, as shown in FIG. 6, the second branch 332 comprises an amplifier U20B and a second diode D11, the first input end of the amplifier U20B is connected with the control confirmation function line CP, the second input end of the amplifier U20B is connected with the output end of the amplifier U20B; the anode of the second diode D11 is connected with the output end of the amplifier U20B, the cathode of the second diode D11 is connected with the third general pin PC0 / ADC16.

[0065] It should be noted that the first input end of the amplifier U20B can be the non-inverting input end of the amplifier U20B, and the second input end of the amplifier U20B can be the inverting input end of the amplifier U20B.

[0066] Optionally, as shown in FIG. 6, the second branch 332 further comprises at least one of a fourteenth resistor R15, a transient voltage suppression diode TVS1 and a ninth capacitor C16, one end of the fourteenth resistor R15 is connected with the first input end of the amplifier U20B, the other end of the fourteenth resistor R15 is connected with the control confirmation function line CP; the transient voltage suppression diode TVS1 is connected between the other end of the fourteenth resistor R15 and the ground PE; and the ninth capacitor C16 is connected between the one end of the fourteenth resistor R15 and the ground PE.

[0067] It should be noted that the transient voltage suppression diode TVS1 is used to suppress the transient voltage impact on the other end of the fourteenth resistor R15.

[0068] Optionally, as shown in FIG. 6, the second branch 332 further comprises at least one of a fifteenth resistor R17, a sixteenth resistor R18, a seventeenth resistor R19, a tenth capacitor C22 and an eleventh capacitor C23, one end of the fifteenth resistor R17 is connected with the cathode of the second diode D11; one end of the sixteenth resistor R18 is connected with the other end of the fifteenth resistor R17, the other end of the sixteenth resistor R18 is connected with the third universal pin PC0 / ADC16; one end of the seventeenth resistor R19 is connected with the other end of the sixteenth resistor R18, the other end of the seventeenth resistor R19 is connected with the ground PE; one end of the tenth capacitor C22 is connected with the other end of the fifteenth resistor R17, the other end of the tenth capacitor C22 is connected with the ground PE; and the eleventh capacitor C23 is connected with the seventeenth resistor R19 in parallel.

[0069] The embodiment of the present application provides a data updating method, as shown in FIG. 7, the data updating method is applied to the above-mentioned charging connection device, and the data updating method comprises the following steps: determining whether a burning instruction is received within a preset time period with the power-on time of the control module 31 as the starting time; if the burning instruction is received, the control module 31 enters a burning mode; and updating the configuration data in the control module 31 through the control confirmation function line CP and the ground PE.

[0070] It can be understood that, since the data updating method of the embodiment of the present application is applied to the above-mentioned charging connection device, a communication module 32 can also be added between the control module 31 and the control confirmation function line CP, so that the universal burning fixture can update the configuration data in the control module 31 through the control confirmation function line CP and the ground PE, which improves the limitation that the configuration data of the charging connection device needs to be updated by using a specially-made burning fixture.

[0071] It should be noted that the general-purpose burning fixture updates the configuration data in the control module 31 by controlling the confirmation function line CP and the ground line PE. The preset period can be greater than 0 seconds and less than 20 seconds, and preferably can be one of 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds or 9 seconds.

[0072] Optionally, if no burning instruction is received, the control module 31 enters a charging mode.

[0073] Optionally, if a burning instruction is received, the control module 31 enters a burning mode, which can include at least one of the following steps.

[0074] The electric gun enters an extended session mode. The extended session mode is different from the standard mode and is a mode that can receive a calculation key.

[0075] Secure access, calculation key. Enter a programming session mode to burn software. Secure access by confirming the key. These can be used to confirm the legitimacy of the program source to be upgraded and to confirm the legitimacy of the upgrade tool.

[0076] Data erasure, such as erasing old version software.

[0077] Data transmission, such as downloading an upgrade file.

[0078] Data verification, such as verifying file integrity.

[0079] Upgrade success. After the upgrade is successful, the charging connection device is automatically started.

[0080] It should be noted that the charging connection device can exemplarily be a charging pile. In summary, the charging connection device provided by the embodiments of the present application has simple circuit, low cost, simple burning, does not require a specific configuration device, and flexible burning only needs a general-purpose burner to complete software update through the CP line and the PE line on the gun head. This function does not need to disassemble the shell, can significantly reduce the labor cost, and greatly improves the convenience of the market end after-sales.

[0081] The embodiments of the present application also provide a vehicle connected with the charging connection device described above to charge the vehicle through the charging connection device.

[0082] The embodiments of the present application also provide a charging system including a vehicle and the charging connection device described above to charge the vehicle through the charging connection device.

[0083] It can be understood that, since the charging connection device charges the vehicle, a communication module 32 can be added between the control module 31 and the control confirmation function line CP, so that the general-purpose programming fixture can update the configuration data in the control module 31 through the control confirmation function line CP and the ground wire PE, which improves the limitation that the configuration data of the charging connection device needs to be updated by a special programming fixture.

[0084] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0085] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0086] The embodiments, implementation manners and related technical features of the present application can be combined or replaced with each other without conflict.

[0087] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification made to the above embodiment without departing from the technical solution of the present application and according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A charging connection arrangement, wherein, The charging connection device comprises: a control confirmation function line (CP) and a ground line (PE); a control module (31); a communication module (32) electrically connected with the control module (31), the control confirmation function line (CP) and the ground line (PE), for updating configuration data in the control module (31) through the control confirmation function line (CP) and the ground line (PE).

2. The charging connection arrangement of claim 1, wherein, The communication module (32) comprises: a serial communication chip (U11) connected with the control module (31) through a serial communication interface; a peripheral circuit (321) connected between the serial communication chip (U11) and the control confirmation function line (CP), and connected between the serial communication chip (U11) and the control module (31).

3. The charging connection arrangement of claim 2, wherein, The peripheral circuit (321) comprises: a first resistor (RL10) having one end connected with the control confirmation function line (CP); a second resistor (RL18) having one end connected with the other end of the first resistor (RL10) and the other end connected with a transmit-receive pin (LIN) of the serial communication chip (U11); a first capacitor (CL5) having one end connected with one end of the second resistor (RL18) and the other end of the first resistor (RL10), and the other end connected with a ground pin (GND) of the serial communication chip (U11) and the ground line (PE); a third resistor (RL2) connected between a serial transmit pin (TXD) of the serial communication chip (U11) and a serial transmit pin (PE0 / SCI0_TX) of the control module (31); a fourth resistor (RL1) connected between a serial receive pin (RXD) of the serial communication chip (U11) and a serial receive pin (PE1 / SCI0_RX) of the control module (31).

4. The charging connection arrangement of claim 3, wherein, The peripheral circuit (321) further comprises: a fifth resistor (RL3) having one end connected with one end of the fourth resistor (RL1) and the serial receive pin (PE1 / SCI0_RX) of the control module (31), and the other end connected with a first power supply end (+5V) and a first power supply pin (IOVCC) of the control module (31); a second capacitor (C11) having one end connected with the first power supply end (+5V) and the other end connected with the ground line (PE) and a second power supply pin (IOVSS) of the control module (31). A sixth resistor (RL5) has one end connected to a wake-up pin (SLP_N) of the serial communication chip (U11); A seventh resistor (RL6) has one end connected to the other end of the sixth resistor (RL5), a first general pin (PB7 / PIB7 / ADC15) of the control module (31), and the wake-up pin (SLP_N), and the other end of the seventh resistor (RL6) is connected to the ground wire (PE); A third capacitor (CL1) has one end connected to one end of the seventh resistor (RL6), and the other end of the third capacitor (CL1) is connected to the ground wire (PE); A fourth capacitor (CL6) has one end connected to a second power supply end (+12V) and a power supply pin (Vbat) of the serial communication chip (U11), and the other end of the fourth capacitor (CL6) is connected to the ground wire (PE); A fifth capacitor (CL3) is connected in parallel with the fourth capacitor (CL6); An eighth resistor (RL7) is connected between the second power supply end (+12V) and an enable pin (E_N) of the serial communication chip (U11).

5. The charging connection arrangement according to any of claims 1-4, wherein, The control module (31) comprises: A micro control unit (U10) is connected to the communication module (32), and the micro control unit (U10) enters a burning mode when a burning instruction is received within a preset time period with the starting time as the current time; A sixth capacitor (C10) has one end connected to a first power supply end (+5V) and a third power supply pin (VDD) of the micro control unit (U10), and the other end of the sixth capacitor (C10) is connected to the ground wire (PE) and a fourth power supply pin (VSS) of the micro control unit (U10); A seventh capacitor (C13) has one end connected to the first power supply end (+5V) and a fifth power supply pin (39) of the micro control unit (U10), and the other end of the seventh capacitor (C13) is connected to the ground wire (PE) and a sixth power supply pin (38) of the micro control unit (U10).

6. The charging connection arrangement of claim 5, wherein, The charging connection device further comprises: A power supply module (34) has an input end connected to the power supply line, and a first output end of the power supply module (34) is connected to the first power supply end (+5V); A power supply switch (K) has a control end connected to the micro control unit (U10), and one end of the power supply switch (K) is connected to a second output end of the power supply module (34); A relay (35) has a coil connected between the other end of the power supply switch (K) and the ground wire (PE), and a contact group of the relay (35) is connected in series in the power supply line.

7. The charging connection arrangement according to any of claims 1-4, wherein, The charging connection device further comprises a communication module (33) connected between the control confirmation function line (CP) and the control module (31).

8. The charging connection arrangement of claim 7, wherein, The communication module (33) comprises: a first branch (331) connected between the control confirmation function line (CP) and a second general pin (PD7 / PID7PWM_CH5) of the control module (31); a second branch (332) connected between the control confirmation function line (CP) and a third general pin (PC0 / ADC16) of the control module (31).

9. The charging connection arrangement of claim 8, wherein, The first branch (331) comprises: a first diode (D10) having a positive electrode connected to the second general pin (PD7 / PID7PWM_CH5); a comparator (U20A) having a first input end connected to a negative electrode of the first diode (D10), a second input end connected to a first reference voltage, and an output end connected to the control confirmation function line (CP).

10. The charging connection arrangement of claim 9, wherein, The first branch (331) further comprises: a ninth resistor (R12) having one end connected to the first input end of the comparator (U20A) and the other end connected to the negative electrode of the first diode (D10); a tenth resistor (R13) having one end connected to the negative electrode of the first diode (D10) and the other end connected to the ground wire (PE); an eleventh resistor (R14) connected between the output end of the comparator (U20A) and the control confirmation function line (CP).

11. The charging connection arrangement of claim 10, wherein, The first branch (331) further comprises: a twelfth resistor (R11) having one end connected to a second power supply end (+12V) and the other end connected to the second input end of the comparator (U20A); a thirteenth resistor (R10) having one end connected to the second input end of the comparator (U20A) and the other end connected to the ground wire (PE); an eighth capacitor (C20) connected in parallel to the thirteenth resistor (R10).

12. The charging connection arrangement of claim 8, wherein, The second branch (332) comprises: an amplifier (U20B) having a first input end connected to the control confirmation function line (CP) and a second input end connected to an output end of the amplifier (U20B); a second diode (D11) having an anode connected to the output end of the amplifier (U20B) and a cathode connected to the third general pin (PC0 / ADC16).

13. The charging connection arrangement of claim 12, wherein, The second branch (332) further comprises: a fourteenth resistor (R15), one end of which is connected to the first input end of the amplifier (U20B), and the other end of which is connected to the control confirmation function line (CP); a transient voltage suppression diode (TVS1), which is connected between the other end of the fourteenth resistor (R15) and the ground wire (PE); a ninth capacitor (C16), which is connected between one end of the fourteenth resistor (R15) and the ground wire (PE).

14. The charging connection arrangement of claim 13, wherein, The second branch (332) further comprises: a fifteenth resistor (R17), one end of which is connected to the cathode of the second diode (D11); a sixteenth resistor (R18), one end of which is connected to the other end of the fifteenth resistor (R17), and the other end of which is connected to the third universal pin (PC0 / ADC16); a seventeenth resistor (R19), one end of which is connected to the other end of the sixteenth resistor (R18), and the other end of which is connected to the ground wire (PE); a tenth capacitor (C22), one end of which is connected to the other end of the fifteenth resistor (R17), and the other end of which is connected to the ground wire (PE); an eleventh capacitor (C23), which is connected in parallel with the seventeenth resistor (R19).

15. A data updating method, wherein, The data updating method is applied to the charging connection device according to any one of claims 1-14, and the data updating method comprises: determining whether a burning instruction is received within a preset time period with the power-on time of the control module (31) as the starting time; if the burning instruction is received, the control module (31) enters a burning mode; updating the configuration data in the control module (31) through the control confirmation function line (CP) and the ground wire (PE).

16. The data updating method according to claim 15, wherein The data updating method further comprises: if the burning instruction is not received, the control module (31) enters a charging mode.

17. The data updating method according to claim 15, wherein The vehicle is connected to the charging connection device according to any one of claims 1-14 to be charged by the charging connection device. The charging system comprises a vehicle and a charging connection device according to any one of claims 1-14 to charge the vehicle by the charging connection device.

18. A vehicle, wherein, The charging system comprises a vehicle and a charging connection device according to any one of claims 1-14 to charge the vehicle by the charging connection device.

19. A charging system, wherein, ​

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