Multi-function port circuit and vehicle

Abstract

The application provides a multifunctional port circuit and a vehicle, and relates to the technical field of automobiles. The multifunctional port circuit comprises a detection port, a signal port, a plurality of control ports, a plurality of control branches and a voltage division unit. The plurality of control ports are connected with the plurality of control branches respectively, so as to control the plurality of control branches to be in a closed state or an open state. The plurality of control branches are connected with the signal port, and the signal port is used for connecting a device to be collected and a component to be driven in the vehicle. The signal port is connected with the ground through the voltage division unit, and a voltage division point of the voltage division unit is connected with the detection port. In the embodiment, the closed state or the open state of the plurality of control branches is controlled through the plurality of control ports, different states of the plurality of control branches are used for collecting or outputting a plurality of different signals respectively, the port versatility of the vehicle controller is enhanced, the complexity, the cost and the failure rate of the vehicle system are reduced, and the reliability of the whole vehicle is improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive technology, and in particular to a multi-functional port circuit and a vehicle. Background Technology

[0002] The vehicle controller is the core component of the vehicle's electronic control system, mainly including the superstructure controller and the chassis controller. These controllers acquire, process, and output control commands through various types of signal ports, thereby managing the vehicle's operating status and monitoring parameters of multiple vehicle components.

[0003] Current vehicle controller solutions typically employ a fixed-function port design, meaning that a single port can only handle one specific type of signal. When faced with different vehicle models or functional requirements, it is necessary to adapt to diverse signal types by using external signal conversion circuits or increasing the number of controllers.

[0004] However, with the current vehicle controller solution, the fixed-function-port vehicle controller is prone to port redundancy or insufficiency when the vehicle model requirements change. Furthermore, the use of external circuits to convert or add controllers increases system complexity, cost, and failure rate, thereby reducing the overall vehicle reliability. Utility Model Content

[0005] The main objective of this invention is to propose a multifunctional port circuit and vehicle to enhance the port versatility of the vehicle controller, reduce the complexity, cost, and failure rate of the vehicle system, and improve the overall reliability of the vehicle.

[0006] In a first aspect, this utility model provides a multi-functional port circuit, which includes: a detection port, a signal port, multiple control ports, multiple control branches, and a voltage divider unit; The detection port is used to connect to the first input / output (I / O) port of the vehicle controller, and the plurality of control ports are used to connect to the second I / O port of the vehicle controller. The plurality of control ports are respectively connected to the plurality of control branches to control the plurality of control branches to be in a closed or open state. The plurality of control branches are all connected to the signal port, and the signal port is used to connect to the device to be acquired and the component to be driven in the vehicle. The signal port is grounded through the voltage divider unit, and the voltage divider point of the voltage divider unit is connected to the detection port.

[0007] In an optional implementation, the detection port is also grounded via a filter capacitor.

[0008] In an optional implementation, the multi-functional port circuit further includes a first diode and a second diode, wherein the voltage dividing point of the voltage divider unit is connected to the anode of the first diode, the cathode of the first diode is connected to a preset power supply, the voltage dividing point of the voltage divider unit is also connected to the cathode of the second diode, and the anode of the second diode is grounded.

[0009] In an optional embodiment, the voltage divider unit includes a first resistor, a second resistor, and a third resistor, wherein one end of the first resistor is the voltage dividing point of the voltage divider unit, the other end of the first resistor is grounded, one end of the second resistor and the third resistor connected in series is connected to the signal port, and the other end of the series connection is connected to one end of the first resistor.

[0010] In an optional implementation, the plurality of control ports include: a first control port, and the plurality of control branches include: a first control branch, the first control branch including: a third transistor and a sixth resistor; The base of the third transistor is connected to the first control port, the emitter of the third transistor is grounded, and the collector of the third transistor is connected to the signal port through the sixth resistor.

[0011] In an optional implementation, the plurality of control ports further include a second control port, and the plurality of control branches further include a second control branch, which includes a fourth resistor, a fifth resistor, a first transistor, and a second transistor. The base of the first transistor is connected to the second control port, the emitter of the first transistor is grounded, the collector of the first transistor is connected to a preset power supply through the fourth resistor, the collector of the first transistor is also connected to the base of the second transistor, the emitter of the second transistor is connected to the preset power supply, and the collector of the second transistor is connected to the signal port through the fifth resistor.

[0012] In an optional implementation, the plurality of control ports further include a third control port, and the plurality of control branches further include a third control branch, the third control branch including a sixth transistor; The base of the sixth transistor is connected to the third control port, the emitter of the sixth transistor is grounded, and the collector of the sixth transistor is connected to the signal port.

[0013] In an optional implementation, the plurality of control ports further includes a fourth control port, and the plurality of control branches further includes a fourth control branch, which includes a seventh resistor, a fourth transistor, and a fifth transistor. The base of the fourth transistor is connected to the fourth control port, the emitter of the fourth transistor is grounded, the collector of the fourth transistor is connected to a preset power supply through the seventh resistor, the collector of the fourth transistor is also connected to the base of the fifth transistor, the emitter of the fifth transistor is connected to the preset power supply, and the collector of the fifth transistor is connected to the signal port.

[0014] In an optional implementation, the plurality of control ports are respectively connected to a plurality of second I / O ports of the vehicle controller, or the plurality of control ports are connected to a second I / O port of the vehicle controller via a latch.

[0015] Secondly, the present invention provides a vehicle, the vehicle including at least a vehicle body, a vehicle controller disposed on the vehicle body, and a multi-function port circuit as described in any of the foregoing embodiments, wherein the vehicle controller is connected to the multi-function port circuit.

[0016] The beneficial effects of this utility model are: The multi-functional port circuit provided in this application embodiment includes: a detection port, a signal port, multiple control ports, multiple control branches, and a voltage divider unit. The detection port is connected to a first input / output (I / O) port of the vehicle controller, and the multiple control ports are connected to a second I / O port of the vehicle controller. The multiple control ports are respectively connected to the multiple control branches to control the multiple control branches to be in a closed or open state. The multiple control branches are all connected to the signal port, which is used to connect to the device to be acquired and the component to be driven in the vehicle. The signal port is grounded through the voltage divider unit, and the voltage divider point of the voltage divider unit is connected to the detection port. In this embodiment, by controlling the closed or open state of the corresponding multiple control branches through multiple control ports, the voltage signal and high-side digital signal, current signal, low-side digital signal, and resistance signal acquired by the signal port are respectively transmitted to the control port through different closed or open states of the multiple control branches, or the high-side drive signal and low-side drive signal output by the control port are transmitted to the signal port. This enhances the port versatility of the vehicle controller, reduces the complexity, cost, and failure rate of the vehicle system, and improves the overall vehicle reliability. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a multi-functional port circuit structure provided in an embodiment of this application; Figure 2 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application. Figure 3 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application. Figure 4 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application Figure 5 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application.

[0019] Figure Descriptions: JC - Detection Port; XH - Signal Port; C2 - Filter Capacitor; D1 - First Diode; D2 - Second Diode; R1 - First Resistor; R2 - Second Resistor; R3 - Third Resistor; R4 - Fourth Resistor; R5 - Fifth Resistor; R6 - Sixth Resistor; R7 - Seventh Resistor; F - Voltage Divider Point; K1 - First Control Port; K2 - Second Control Port; K3 - Third Control Port; K4 - Fourth Control Port; Q1 - First Transistor; Q2 - Second Transistor; Q3 - Third Transistor; Q4 - Fourth Transistor; Q5 - Fifth Transistor; Q6 - Sixth Transistor; VCC - Preset Power Supply. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0024] In the description of this application, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this application is usually placed in. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0025] In the description of this application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0026] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0027] Current vehicle controller solutions typically employ a fixed-function port design, meaning each port can only handle one specific type of signal. For example, a voltage sampling port can only receive and transmit voltage signals. When facing different vehicle models or functional requirements, the number of different types of ports on the vehicle controller is often insufficient to meet the corresponding vehicle model or functional requirements. External signal conversion circuits or additional controllers are needed to adapt to diverse signal types. However, with current vehicle controller solutions, fixed-function port vehicle controllers are prone to port redundancy or insufficiency when vehicle model requirements change. Furthermore, using external circuits for conversion or adding controllers increases system complexity, cost, and failure rate, reducing overall vehicle reliability.

[0028] To address the aforementioned issues, the main objective of this application is to propose a multi-functional port circuit and vehicle to enhance the port versatility of the vehicle controller, reduce the complexity, cost, and failure rate of the vehicle system, and improve the overall vehicle reliability.

[0029] Figure 1 Please refer to the schematic diagram of a multi-functional port circuit structure provided in an embodiment of this application. Figure 1 The aforementioned multi-functional port circuit includes: a detection port JC, a signal port XH, multiple control ports, multiple control branches, and a voltage divider unit.

[0030] Specifically, the detection port JC is used to connect to the first input / output (I / O) port of the vehicle controller, and the plurality of control ports are used to connect to the second I / O port of the vehicle controller. These control ports are respectively connected to the plurality of control branches to control the plurality of control branches to be in a closed or open state. All of the plurality of control branches are connected to the signal port XH, which is used to connect to the device to be acquired and the component to be driven in the vehicle.

[0031] The aforementioned signal port XH is grounded through the aforementioned voltage divider unit, and the voltage divider point F of the aforementioned voltage divider unit is connected to the aforementioned detection port JC.

[0032] For example, the aforementioned vehicle controller may refer to devices including but not limited to VCU (Vehicle Control Unit). The first and second I / O ports of the aforementioned vehicle controller may refer to signal acquisition ports or digital output control ports simulated by a microcontroller, but are not limited thereto. It is understood that if the first and second I / O ports of the aforementioned vehicle controller are signal acquisition ports or digital output control ports simulated by a microcontroller, then each detection port JC and each control port may occupy one microcontroller I / O port (i.e., the aforementioned first or second I / O port). Alternatively, multiple control ports may share one microcontroller I / O port through a latch in a multiplexing manner. Therefore, the specific number of the first and second I / O ports is not limited to being equal to the number of detection ports JC and control ports. In practice, it can be adjusted and determined according to the application of the latch, etc., and is not limited here.

[0033] The multi-functional port circuit provided in this application embodiment includes: a detection port JC, a signal port XH, multiple control ports, multiple control branches, and a voltage divider unit. The detection port JC is connected to a first input / output (I / O) port of a vehicle controller. The multiple control ports are connected to a second I / O port of the vehicle controller. The multiple control ports are respectively connected to the multiple control branches to control the multiple control branches to be in a closed or open state. All of the multiple control branches are connected to the signal port XH, which is used to connect to the device to be acquired and the component to be driven in the vehicle. The signal port XH is grounded through the voltage divider unit, and the voltage divider point F of the voltage divider unit is connected to the detection port JC. In this embodiment, multiple control ports control the closed or open states of corresponding multiple control branches. This enables the voltage signal, high-side digital signal, current signal, low-side digital signal, and resistance signal acquired by the signal port XH to be transmitted to the control port through different closed or open states of multiple control branches, or the high-side drive signal and low-side drive signal output by the control port to be transmitted to the signal port XH. This enhances the port versatility of the vehicle controller, reduces the complexity, cost, and failure rate of the vehicle system, and improves the overall vehicle reliability.

[0034] Figure 2 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application is shown below. Figure 2 As shown, further, in the above Figure 1 Based on the embodiment, the detection port JC can also be grounded through the filter capacitor C2 to filter out signal noise in the circuit.

[0035] Figure 3 For a schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application, please refer to... Figure 3 Optionally, in the above Figure 1 Based on the embodiments, the above-mentioned multi-functional port circuit may further include: a first diode D1 and a second diode D2, wherein the voltage dividing point F of the voltage dividing unit is connected to the anode of the first diode D1, the cathode of the first diode D1 is connected to a preset power supply VCC, the voltage dividing point F of the voltage dividing unit is also connected to the cathode of the second diode D2, and the anode of the second diode D2 is grounded.

[0036] For example, the voltage of the preset power supply VCC can be 5V, but it is not limited thereto. The first diode D1 can be used to clamp the input signal in the multi-function port circuit to a voltage value 0.4V higher than the preset power supply VCC voltage, and the second diode D2 can be used to clamp the input signal in the multi-function port circuit to a voltage value 0.4V lower than the negative voltage of the preset power supply VCC, so as to prevent abnormal voltage from damaging the chip. However, the function of the first diode D1 and the second diode D2, as well as the clamping voltage value, can be adjusted and determined according to the actual situation, and are not limited to the above examples.

[0037] Figure 4 A schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application is shown below. Figure 4 As shown, optionally, in the above Figure 1 Based on the embodiment, the voltage divider unit may include: a first resistor R1, a second resistor R2 and a third resistor R3, wherein one end of the first resistor R1 is the voltage dividing point F of the voltage divider unit, the other end of the first resistor R1 is grounded, one end of the series connection of the second resistor R2 and the third resistor R3 is connected to the signal port XH, and the other end of the series connection is connected to one end of the first resistor R1.

[0038] For example, the first resistor R1 and (the second resistor R2 + the third resistor R3) can form a voltage divider of 1:6 to achieve signal sampling in the 0-35V range in the multi-function port circuit while ensuring sampling accuracy. However, the specific resistance values ​​of the first resistor R1, the second resistor R2, and the third resistor R3 can be adjusted and determined according to the actual situation, and the voltage divider ratio formed by the first resistor R1 and (the second resistor R2 + the third resistor R3) is not limited to 1:6.

[0039] Figure 5 This is a schematic diagram of a multi-functional port circuit structure provided in another embodiment of this application. It should be noted that... Figure 5 The vehicle controller is not shown, but this does not imply that the vehicle controller does not exist; please refer to [the relevant documentation]. Figure 5 In addition, in the above Figure 1 Based on the embodiments, the above-mentioned multiple control ports may include: a first control port K1, and the above-mentioned multiple control branches may include: a first control branch, which includes: a third transistor Q3 and a sixth resistor R6.

[0040] The base of the third transistor Q3 is connected to the first control port K1, the emitter of the third transistor Q3 is grounded, and the collector of the third transistor Q3 is connected to the signal port XH through the sixth resistor R6.

[0041] For example, the first control branch described above can be used to open the first control port K1 and close the other control ports when the current signal is acquired. The current signal passes through the sixth resistor R6 to form a voltage signal, and then passes through the voltage divider circuit to enter the detection port JC.

[0042] Alternatively, please continue to refer to Figure 5 In the above Figure 1 Based on the embodiments, the above-mentioned multiple control ports may further include: a second control port K2, and the above-mentioned multiple control branches may further include: a second control branch, which includes: a fourth resistor R4, a fifth resistor R5, a first transistor Q1, and a second transistor Q2.

[0043] The base of the first transistor Q1 is connected to the second control port K2, the emitter of the first transistor Q1 is grounded, the collector of the first transistor Q1 is connected to the preset power supply VCC through the fourth resistor R4, the collector of the first transistor Q1 is also connected to the base of the second transistor Q2, the emitter of the second transistor Q2 is connected to the preset power supply VCC, and the collector of the second transistor Q2 is connected to the signal port XH through the fifth resistor R5.

[0044] For example, the second control branch described above can be used to open the second control port K2 and close the other control ports when acquiring low-side digital signals and resistance signals. The voltage signal forms a voltage divider voltage with the external resistor under test through the fifth resistor R5, and then enters the detection port JC through the internal voltage divider circuit. When detecting low-side digital signals, the port voltage of the chip changes from the initial value to 0V after the signal is grounded, and is then identified as a low-side digital signal.

[0045] Alternatively, please continue to refer to Figure 5 In the above Figure 1 Based on the embodiments, the above-mentioned multiple control ports may further include: a third control port K3, and the above-mentioned multiple control branches may further include: a third control branch, which may include: a sixth transistor Q6.

[0046] The base of the sixth transistor Q6 is connected to the third control port K3, the emitter of the sixth transistor Q6 is grounded, and the collector of the sixth transistor Q6 is connected to the signal port XH.

[0047] For example, the third control branch described above can be used to open the third control port K3 and close the other control ports when a low-side drive signal needs to be output. Current flows through the load from the sixth transistor Q6 to the negative terminal (e.g., the ground terminal).

[0048] Additionally, please continue to refer to Figure 5 In the above Figure 1 Based on the embodiments, the above-mentioned multiple control ports may further include: a fourth control port K4, and the above-mentioned multiple control branches may further include: a fourth control branch, which includes: a seventh resistor R7, a fourth transistor Q4, and a fifth transistor Q5.

[0049] The base of the fourth transistor Q4 is connected to the fourth control port K4, the emitter of the fourth transistor Q4 is grounded, the collector of the fourth transistor Q4 is connected to the preset power supply VCC through the seventh resistor R7, the collector of the fourth transistor Q4 is also connected to the base of the fifth transistor Q5, the emitter of the fifth transistor Q5 is connected to the preset power supply VCC, and the collector of the fifth transistor Q5 is connected to the signal port XH.

[0050] For example, the fourth control branch described above can be used to open the fourth control port K4 and close the other control ports when a high-side drive signal needs to be output, and the current flows from the fifth transistor Q5 to the signal port XH to achieve signal output.

[0051] In addition, when all of the above-mentioned first control ports K1 to fourth control ports K4 are in the closed state, the voltage signal entering the multi-function port circuit through the signal port XH can be directly divided by the voltage divider unit and then enter the detection port JC.

[0052] Optionally, the aforementioned multiple control ports are respectively connected to multiple second I / O ports of the vehicle controller, or the aforementioned multiple control ports are connected to one second I / O port of the vehicle controller through a latch, so as to reduce the number of microcontroller ports required to achieve the same signal processing function.

[0053] In addition, this application also provides a vehicle, which includes at least a vehicle body, a vehicle controller disposed on the vehicle body, and a multi-function port circuit as described in any of the foregoing embodiments, wherein the vehicle controller is connected to the multi-function port circuit.

[0054] Optionally, the vehicle may be, for example, a new energy commercial vehicle, but is not limited thereto.

[0055] It is understood that the above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A multi-functional port circuit, characterized in that, The multi-functional port circuit includes: a detection port, a signal port, multiple control ports, multiple control branches, and a voltage divider unit; The detection port is used to connect to the first input / output (I / O) port of the vehicle controller, and the plurality of control ports are used to connect to the second I / O port of the vehicle controller. The plurality of control ports are respectively connected to the plurality of control branches to control the plurality of control branches to be in a closed or open state. The plurality of control branches are all connected to the signal port, and the signal port is used to connect to the device to be acquired and the component to be driven in the vehicle. The signal port is grounded through the voltage divider unit, and the voltage divider point of the voltage divider unit is connected to the detection port.

2. The multi-functional port circuit according to claim 1, characterized in that, The detection port is also grounded through a filter capacitor.

3. The multi-functional port circuit according to claim 1, characterized in that, The multi-functional port circuit further includes a first diode and a second diode, wherein the voltage dividing point of the voltage dividing unit is connected to the anode of the first diode, the cathode of the first diode is connected to a preset power supply, the voltage dividing point of the voltage dividing unit is also connected to the cathode of the second diode, and the anode of the second diode is grounded.

4. The multi-functional port circuit according to claim 1, characterized in that, The voltage divider unit includes a first resistor, a second resistor, and a third resistor. One end of the first resistor is the voltage dividing point of the voltage divider unit, and the other end of the first resistor is grounded. One end of the second resistor and the third resistor connected in series is connected to the signal port, and the other end of the series connection is connected to one end of the first resistor.

5. The multi-functional port circuit according to claim 1, characterized in that, The plurality of control ports include: a first control port; the plurality of control branches include: a first control branch, the first control branch including: a third transistor and a sixth resistor; The base of the third transistor is connected to the first control port, the emitter of the third transistor is grounded, and the collector of the third transistor is connected to the signal port through the sixth resistor.

6. The multi-functional port circuit according to claim 1, characterized in that, The plurality of control ports further include: a second control port; the plurality of control branches further include: a second control branch; the second control branch includes: a fourth resistor, a fifth resistor, a first transistor, and a second transistor. The base of the first transistor is connected to the second control port, the emitter of the first transistor is grounded, the collector of the first transistor is connected to a preset power supply through the fourth resistor, the collector of the first transistor is also connected to the base of the second transistor, the emitter of the second transistor is connected to the preset power supply, and the collector of the second transistor is connected to the signal port through the fifth resistor.

7. The multi-functional port circuit according to claim 1, characterized in that, The plurality of control ports further include: a third control port; the plurality of control branches further include: a third control branch; the third control branch includes: a sixth transistor. The base of the sixth transistor is connected to the third control port, the emitter of the sixth transistor is grounded, and the collector of the sixth transistor is connected to the signal port.

8. The multi-functional port circuit according to claim 1, characterized in that, The plurality of control ports further include: a fourth control port; the plurality of control branches further include: a fourth control branch; the fourth control branch includes: a seventh resistor, a fourth transistor, and a fifth transistor. The base of the fourth transistor is connected to the fourth control port, the emitter of the fourth transistor is grounded, the collector of the fourth transistor is connected to a preset power supply through the seventh resistor, the collector of the fourth transistor is also connected to the base of the fifth transistor, the emitter of the fifth transistor is connected to the preset power supply, and the collector of the fifth transistor is connected to the signal port.

9. The multi-functional port circuit according to claim 1, characterized in that, The plurality of control ports are respectively connected to a plurality of second I / O ports of the vehicle controller, or the plurality of control ports are connected to a second I / O port of the vehicle controller through a latch.

10. A vehicle, characterized in that, The vehicle includes at least a vehicle body, a vehicle controller disposed on the vehicle body, and a multi-function port circuit as described in any one of claims 1-9, wherein the vehicle controller is connected to the multi-function port circuit.

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