Charging gun detection circuit, vehicle, charging pile and electric vehicle charging system

Abstract

The utility model relates to a charging gun detection circuit, a vehicle, a charging pile and an electric vehicle charging system. The charging gun detection circuit comprises a first detection circuit and a second detection circuit, the first detection circuit comprises a vehicle controller, a voltage detector, a first detection resistor and a second detection resistor; the second detection circuit comprises a charging pile controller, an insertion switch, a third detection resistor, a fourth detection resistor and a fifth detection resistor; the first detection circuit and the second detection circuit are matched to identify the semi-connection state of the charging gun on the vehicle side, so that accurate prompt can be given on the vehicle side, and the charging experience of a user is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of new energy vehicles, and in particular to a charging gun detection circuit, a vehicle, a charging pile, and an electric vehicle charging system. Background Art

[0002] According to the provisions of the national standards GB / T 20234-2015 and GB / T 18487.1-2015, the vehicle side only relies on detecting the CC2 circuit voltage to determine whether the gun is plugged in. The existing circuit can only identify two level states, that is, it can only identify whether the charging gun is plugged in or not. When the charging gun is in the semi-connected (not plugged in) or fully connected states on the charging pile side, the vehicle side can only determine that the charging gun is connected (plugged in). However, the charging pile can only charge the vehicle when the charging gun is fully plugged in / fully connected. When the charging gun is not plugged in / half-connected, the vehicle side will recognize that the gun is plugged in, but the vehicle cannot actually charge, resulting in a poor user experience. Utility Model Content

[0003] In order to overcome the problems existing in the related art, the present disclosure provides a charging gun detection circuit, a vehicle, a charging pile and an electric vehicle charging system, which can also identify the semi-connected (not plugged in) state of the charging gun on the vehicle side, so that accurate prompts can be given on the vehicle side, thereby improving the user's charging experience.

[0004] According to a first aspect of an embodiment of the present disclosure, a charging gun detection circuit is provided, the charging gun detection circuit comprising: a first detection circuit;

[0005] The first detection circuit includes: a vehicle controller, a voltage detector, a first detection resistor and a second detection resistor; one end of the first detection resistor is connected to a first DC voltage, the other end of the first detection resistor is connected to the CC2 signal port of the vehicle controller, the first port of the voltage detector is connected to the low-voltage auxiliary signal port of the vehicle controller, the second port of the voltage detector is grounded through the second detection resistor, and the second port of the voltage detector is used to connect to the CC1 signal port of the charging pile controller.

[0006] Optionally, the charging pile controller is provided in a second detection circuit of the charging pile, and the second detection circuit further comprises: an insertion switch, a third detection resistor, a fourth detection resistor and a fifth detection resistor;

[0007] One end of the third detection resistor is grounded, and the other end of the third detection resistor is connected to the CC2 signal port of the vehicle controller. The fourth detection resistor and the insertion switch are connected in series between the CC1 signal port of the charging pile controller and the ground. One end of the fifth detection resistor is connected to the second DC voltage, and the other end of the fifth detection resistor is connected to the CC1 signal port of the charging pile controller.

[0008] Optionally, the S+ signal port of the vehicle controller is connected to the S+ signal port of the charging pile controller, and the S- signal port of the vehicle controller is connected to the S- signal port of the charging pile controller.

[0009] Optionally, the insertion switch is in a closed state when the charging gun is fully connected to the vehicle charging base;

[0010] The insertion switch is in an off state when the charging gun is not connected or is half-connected to the vehicle charging base.

[0011] Optionally, the first DC voltage is a first voltage or a second voltage, the second DC voltage is the first voltage, and the first voltage is greater than the second voltage.

[0012] Optionally, when the voltage of the low-voltage auxiliary signal port of the vehicle controller is zero, the charging gun is in an unconnected state;

[0013] When the voltage of the low-voltage auxiliary signal port of the vehicle controller is the third voltage, the charging gun is in a semi-connected state;

[0014] When the voltage of the low-voltage auxiliary signal port of the vehicle controller is the fourth voltage, the charging gun is in a fully connected state;

[0015] The third voltage and the fourth voltage are both lower than the second DC voltage, and the fourth voltage is lower than the third voltage.

[0016] Optionally, the voltage detector comprises a voltage detector of a low voltage auxiliary power supply of the vehicle controller.

[0017] Optionally, the voltage detector comprises a voltmeter.

[0018] According to a second aspect of an embodiment of the present disclosure, a vehicle is provided, comprising the first detection circuit described in the first aspect.

[0019] According to a third aspect of an embodiment of the present disclosure, a charging pile is provided, comprising the second detection circuit described in the first aspect.

[0020] According to a fourth aspect of an embodiment of the present disclosure, an electric vehicle charging system is provided, comprising the vehicle described in the second aspect and the charging pile described in the third aspect.

[0021] In summary, the embodiment of the present disclosure provides a charging gun detection circuit, which includes: a first detection circuit; the first detection circuit includes: a vehicle controller, a voltage detector, a first detection resistor and a second detection resistor; one end of the first detection resistor is connected to a first DC voltage, the other end of the first detection resistor is connected to the CC2 signal port of the vehicle controller, the first port of the voltage detector is connected to the low-voltage auxiliary signal port of the vehicle controller, the second port of the voltage detector is grounded through the second detection resistor, and the second port of the voltage detector is used to connect to the CC1 signal port of the charging pile controller. The embodiment of the present disclosure can also identify the semi-connected (not plugged in) state of the charging gun on the vehicle side, so that accurate prompts can be given on the vehicle side, thereby improving the user's charging experience.

[0022] 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 disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0024] Figure 1a The figure is a schematic diagram showing a charging gun detection circuit according to an exemplary embodiment.

[0025] Figure 1b FIG. 1 is a schematic diagram showing a first detection circuit and a second detection circuit according to an exemplary embodiment.

[0026] Figure 2 is a block diagram of a vehicle according to an exemplary embodiment.

[0027] Figure 3 The figure is a block diagram of a charging pile according to an exemplary embodiment.

[0028] Figure 4 The figure is a block diagram of an electric vehicle charging system according to an exemplary embodiment. DETAILED DESCRIPTION

[0029] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

[0030] It should be understood that the term "including" and its variations as used herein are open-ended, i.e., "including but not limited to." The term "based on" means "based, at least in part, on." The term "one embodiment" means "at least one embodiment," the term "another embodiment" means "at least one additional embodiment," and the term "some embodiments" means "at least some embodiments." The relevant definitions of other terms are provided in the following description.

[0031] It should be noted that the concepts of "first", "second", etc. mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units. The modifications of "one" and "multiple" mentioned in this disclosure are illustrative and not restrictive. Those skilled in the art should understand that, unless otherwise clearly indicated in the context, they should be understood as "one or more". In the description of this disclosure, unless otherwise specified, "multiple" refers to two or more than two, and other quantifiers are similar thereto; "at least one item(s)", "one item(s) or multiple items(s)" or similar expressions refer to any combination of these items(s), including any combination of single items(s) or plural items(s).

[0032] Although operations or steps are described in a particular order in the drawings in the embodiments of the present disclosure, this should not be understood as requiring that these operations or steps be performed in the particular order shown or in a serial order, or that all of the operations or steps shown be performed to obtain a desired result. In the embodiments of the present disclosure, these operations or steps may be performed serially; these operations or steps may also be performed in parallel; or some of these operations or steps may be performed.

[0033] The names of the messages or information exchanged between multiple devices in the embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of these messages or information. It is understood that before using the technical solutions disclosed in the various embodiments of this disclosure, the type, scope of use, and usage scenarios of the personal information involved in this disclosure should be informed to the user in an appropriate manner in accordance with relevant laws and regulations, and the user's authorization should be obtained.

[0034] First, the application scenarios of the present disclosure are described. According to GB / T 20234-2015 and GB / T 18487.1-2015, the vehicle determines whether the charger is plugged in by detecting only the CC2 circuit voltage. Existing circuits can only detect two voltage levels: either plugged in or not plugged in. However, the charging pile detects the CC1 signal level. Existing circuit designs can detect three voltage levels: plugged in (not connected) / 12V, partially plugged in / not tightly plugged in (half-connected) / 6V, and fully plugged in / fully plugged in (fully connected) / 4V. When the charging pile detects either the half-connected or fully-connected state, the vehicle can only determine that the charging gun is connected (plugged in). However, the charging pile can only charge the vehicle when the charging gun is fully plugged in / fully connected. When the charging gun is not plugged in / half-connected, the vehicle may detect that the gun is plugged in, but the vehicle cannot actually charge, resulting in a poor user experience.

[0035] In view of this, the embodiments of the present disclosure provide a charging gun detection circuit, a vehicle, a charging pile, and an electric vehicle charging system, aiming to address the problems existing in the prior art. By enabling the vehicle to identify the partially connected (not plugged in) state of the charging gun, accurate vehicle-side notifications can be provided, thereby improving the user's charging experience. The present disclosure is described below with reference to specific embodiments.

[0036] Figure 1a FIG. 1 is a schematic diagram of a charging gun detection circuit according to an exemplary embodiment. Figure 1a As shown, an embodiment of the present disclosure provides a charging gun detection circuit, which may include: a first detection circuit 10;

[0037] The first detection circuit 10 may include: a vehicle controller 101, a voltage detector 102, a first detection resistor R1 and a second detection resistor R2; one end of the first detection resistor R1 is connected to the first DC voltage U1, and the other end of the first detection resistor R1 is connected to the CC2 signal port of the vehicle controller 101, used to pull up the voltage of the CC2 signal port of the vehicle controller 101 to the first DC voltage U1, the first port 1 of the voltage detector 102 is connected to the low-voltage auxiliary signal port A of the vehicle controller 101, the second port 2 of the voltage detector 102 is grounded through the second detection resistor R2, and the second port 2 of the voltage detector 102 is used to connect to the CC1 signal port of the charging pile controller.

[0038] In some embodiments, the charging gun detection circuit may further include a second detection circuit 20, which is arranged in the charging pile. The second detection circuit 20 may include: a charging pile controller 201, an insertion switch S, a third detection resistor R3, a fourth detection resistor R4 and a fifth detection resistor R5; one end of the third detection resistor R3 is grounded, and the other end of the third detection resistor R3 is connected to the CC2 signal port of the vehicle controller 101, the fourth detection resistor R4 and the insertion switch S are connected in series between the CC1 signal port of the charging pile controller 201 and the ground, one end of the fifth detection resistor R5 is connected to the second DC voltage U2, and the other end of the fifth detection resistor R5 is connected to the CC1 signal port of the charging pile controller 201, which is used to pull up the voltage of the CC1 signal port of the charging pile controller 201 to the second DC voltage U2, and the CC1 signal port of the charging pile controller 201 is connected to the second port 2 of the voltage detector 102.

[0039] Exemplarily, this charging gun detection circuit can detect both CC2 signal level changes and CC1 signal level changes on the vehicle side. When the charging gun is not plugged in, the CC2 signal is disconnected from the third detection resistor R3 and is therefore pulled up to the first DC voltage U1 by the first detection resistor R1, presenting a U1 high level state. When the charging gun is plugged in, the CC2 signal is connected to the third detection resistor R3, so the CC2 signal level is the voltage divided by the third detection resistor R3 (R1 and R3 form the voltage divider circuit of U1), presenting a level lower than U1. If the resistance values ​​of R1 and R3 are equal, the CC2 level is U1 / 2.

[0040] When the charging gun is not plugged in, the CC1 signal detected by the vehicle side is pulled to ground by the second detection resistor R2, resulting in a voltage of 0V. When the charging gun is plugged in, the second detection resistor R2 connects to the fourth detection resistor R4 and the fifth detection resistor R5. When the insertion switch S is open (the charging gun is half-connected), R2 and R5 are connected in series to divide the voltage U2. The CC1 level at this time is the voltage divided by R2. If R2 = R5, the CC1 level is U2 / 2. When the insertion switch S is closed (the charging gun is fully connected), R2 and R4 are connected in parallel and then in series with R5 to divide the voltage U2. The CC1 level at this time is the voltage divided by R2 and R4 in parallel. Since the resistance value is reduced after the parallel connection, the CC1 level at this time is lower than the CC1 level when the charging gun is half-connected. If R2 = R4 = R5, the CC1 level is U2 / 3.

[0041] For example, the vehicle side can judge the insertion status (connection status) of the charging gun based on the level combination of CC1 and CC2 signals, that is, when the CC2 signal level is U1, the connection status of the charging gun is determined to be disconnected; when the CC2 signal level is U1 / 2, the connection status of the charging gun is determined based on the signal level of CC1 signal, that is, when CC1=0V, the charging gun is determined to be not plugged in (not connected), when CC1=U2 / 2, the charging gun is determined to be not plugged in tightly (half connected), and when CC1=U2 / 3, the charging gun is determined to be plugged in tightly (fully connected). In this way, an accurate charging gun connection status prompt can be given on the vehicle side, thereby improving the user's charging experience.

[0042] It should be noted that when the low-voltage auxiliary signal port A of the vehicle controller 101 is used, the original A signal on the vehicle side needs to be disconnected, so that the detection port and the voltage detector 102 can reuse the ports and voltage detectors of the original A signal path, further saving costs.

[0043] In addition, the low-voltage auxiliary signal port A of the vehicle controller 101 connected to the first port 1 of the voltage detector 102 may also be a common IO port of the vehicle controller 101 .

[0044] In summary, the embodiment of the present disclosure provides a charging gun detection circuit, which includes: a first detection circuit; the first detection circuit includes: a vehicle controller, a voltage detector, a first detection resistor and a second detection resistor; one end of the first detection resistor is connected to a first DC voltage, the other end of the first detection resistor is connected to the CC2 signal port of the vehicle controller, the first port of the voltage detector is connected to the low-voltage auxiliary signal port of the vehicle controller, the second port of the voltage detector is grounded through the second detection resistor, and the second port of the voltage detector is used to connect to the CC1 signal port of the charging pile controller. The embodiment of the present disclosure can also identify the semi-connected (not plugged in) state of the charging gun on the vehicle side, so that accurate prompts can be given on the vehicle side, thereby improving the user's charging experience.

[0045] In some embodiments, the S+ signal port of the vehicle controller 101 is connected to the S+ signal port of the charging pile controller 201, and the S- signal port of the vehicle controller 101 is connected to the S- signal port of the charging pile controller 201. In this way, when the original A signal on the vehicle side needs to be disconnected, the CAN message can be transmitted through the S signal port to transmit card payment and authentication information.

[0046] In some embodiments, the plug switch S is in a closed state when the charging gun is fully connected to the vehicle charging dock; the plug switch S is in an open state when the charging gun is not connected to the vehicle charging dock or is partially connected. For example, when the plug switch S is in the closed state, it means that the charging gun is fully inserted / fully plugged in, and when the plug switch S is in the open state, it means that the charging gun is not fully inserted / not fully plugged in.

[0047] In some embodiments, the first DC voltage U1 is the first voltage or the second voltage, and the second DC voltage U2 is the first voltage, the first voltage is greater than the second voltage. For example, the first voltage can be 12VDC (direct current) and the second voltage can be 5VDC (direct current).

[0048] In some embodiments, when the voltage of the low-voltage auxiliary signal port of the vehicle controller is zero, the charging gun is in an unconnected state. When the voltage of the low-voltage auxiliary signal port of the vehicle controller is a third voltage, the charging gun is in a semi-connected state. When the voltage of the low-voltage auxiliary signal port of the vehicle controller is a fourth voltage, the charging gun is in a fully connected state. Wherein, the third voltage and the fourth voltage are both less than the second DC voltage, and the fourth voltage is less than the third voltage. Exemplarily, the third voltage can be half of the second DC voltage U2, and the fourth voltage can be one-third of the second DC voltage U2. For example, when the second DC voltage U2 is 12VDC, and when the resistance values ​​of R1-R5 are equal, the fourth voltage can be 4VDC and the third voltage can be 6VDC.

[0049] For example, when the second DC voltage U2 is 12VDC and the resistances of R1-R5 are equal, the CC2 level on the vehicle side is: 12V or 5V when the charging gun is not plugged in (not connected), and 6V or 2.5V when the gun is plugged in (half connected or fully connected). The CC1 level on the vehicle side is: 0V when the charging gun is not plugged in (not connected), 6V when it is not plugged in tightly (half connected), and 4V when it is plugged in tightly (fully connected).

[0050] In some embodiments, the voltage detector 102 includes a voltage detector for the low-voltage auxiliary power supply of the vehicle controller 101. In this case, the IO port of the vehicle controller 101 connected to the first port 1 of the voltage detector 102 can reuse the A signal (low-voltage auxiliary signal) port, which can save hardware resources and further reduce costs.

[0051] In some embodiments, the voltage detector 102 includes a voltmeter.

[0052] Figure 1b FIG. 1 is a schematic diagram showing a first detection circuit and a second detection circuit according to an exemplary embodiment. Figure 1bAs shown, the embodiment of the present disclosure provides a first detection circuit 10, comprising: a vehicle controller 101, a voltage detector 102, a first detection resistor R1 and a second detection resistor R2;

[0053] One end of the first detection resistor R1 is connected to the first DC voltage U1, and the other end of the first detection resistor R1 is connected to the CC2 signal port of the vehicle controller 101, which is used to pull up the voltage of the CC2 signal port of the vehicle controller 101 to the first DC voltage U1. The first port 1 of the voltage detector 102 is connected to the low-voltage auxiliary signal port A of the vehicle controller 101, and the second port 2 of the voltage detector 102 is grounded through the second detection resistor R2. The second port 2 of the voltage detector 102 is used to connect to the CC1 signal port of the charging pile controller 201. The working principle of this circuit is detailed in Figure 1a The description of the embodiments will not be repeated here.

[0054] like Figure 1b As shown, the embodiment of the present disclosure further provides a second detection circuit 20, including: a charging pile controller 201, an insertion switch S, a third detection resistor R3, a fourth detection resistor R4 and a fifth detection resistor R5;

[0055] One end of the third detection resistor R3 is grounded, and the other end of the third detection resistor R3 is used to connect to the CC2 signal port of the vehicle controller 101. The fourth detection resistor R4 and the insertion switch S are connected in series between the CC1 signal port of the charging pile controller 201 and the ground. One end of the fifth detection resistor R5 is connected to the second DC voltage U2, and the other end of the fifth detection resistor R5 is connected to the CC1 signal port of the charging pile controller 201, which is used to pull up the voltage of the CC1 signal port of the charging pile controller 201 to the second DC voltage U2. The working principle of this circuit is detailed in Figure 1a The description of the embodiments will not be repeated here.

[0056] It should be noted that the first detection circuit 10 belongs to the vehicle side and the second detection circuit 20 belongs to the charging pile side, and the two need to be used in conjunction with each other.

[0057] Figure 2 FIG. 1 is a block diagram of a vehicle according to an exemplary embodiment. Figure 2 As shown, an embodiment of the present disclosure provides a vehicle 200 that may include a first detection circuit 10. Vehicle 200 may include various subsystems, such as an infotainment system 210, a perception system 220, a decision control system 230, a drive system 240, and a computing platform 250. Vehicle 200 may also include more or fewer subsystems, and each subsystem may include multiple components. Furthermore, each subsystem and each component of vehicle 200 may be interconnected via wired or wireless means.

[0058] In some embodiments, the infotainment system 210 may include a communication system, an entertainment system, a navigation system, and the like.

[0059] The perception system 220 may include several sensors for sensing information about the environment surrounding the vehicle 200. For example, the perception system 220 may include a global positioning system (which may be a GPS system, a BeiDou system, or other positioning systems), an inertial measurement unit (IMU), a laser radar, a millimeter-wave radar, an ultrasonic radar, and a camera.

[0060] The decision control system 230 may include a computing system, a vehicle controller, a steering system, a throttle, and a braking system.

[0061] Drive system 240 may include components that provide power to vehicle 200. In one embodiment, drive system 240 may include an engine, a power source, a transmission system, and wheels. The engine may be an internal combustion engine, an electric motor, an air compression engine, or a combination thereof. The engine is capable of converting energy provided by the power source into mechanical energy.

[0062] Some or all functions of the vehicle 200 are controlled by a computing platform 250. The computing platform 250 may include at least one processor 251 and a memory 252. The processor 251 may execute instructions 253 stored in the memory 252.

[0063] The processor 251 can be any conventional processor, such as a commercially available CPU. The processor can also include a graphics processor (GPU), a field programmable gate array (FPGA), a system on chip (SOC), an application specific integrated circuit (ASIC), or a combination thereof.

[0064] The memory 252 may be implemented by any type of volatile or non-volatile memory device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk.

[0065] In addition to instructions 253 , memory 252 may also store data, such as road maps, route information, and data on the vehicle's location, direction, speed, etc. The data stored in memory 252 may be used by computing platform 250 .

[0066] In the embodiment of the present disclosure, the processor 251 may execute the instruction 253 .

[0067] In another exemplary embodiment, a computer program product is provided. The computer program product includes a computer program executable by a programmable device. The computer program can be executed by the programmable device.

[0068] Figure 3 FIG. 1 is a block diagram of a charging pile according to an exemplary embodiment. Figure 3 As shown, an embodiment of the present disclosure provides a charging pile 300 , which may include a second detection circuit 20 .

[0069] Reference Figure 3 The charging station 300 may include one or more of the following components: a processing component 302 , a memory 304 , a power component 306 , a multimedia component 308 , an audio component 310 , an input / output interface 312 , a sensor component 314 , and a communication component 316 .

[0070] Processing component 302 generally controls the overall operation of charging station 300, such as operations associated with display, phone calls, data communications, camera operation, and recording operations. Processing component 302 may include one or more processors 320 to execute instructions to complete all or part of the steps of the above-described method. In addition, processing component 302 may include one or more modules to facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302.

[0071] The memory 304 is configured to store various types of data to support operations on the charging station 300. Examples of such data include instructions for any application or method operating on the charging station 300, contact data, phone book data, messages, pictures, videos, etc. The memory 304 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk.

[0072] The power supply assembly 306 provides power to the various components of the charging station 300. The power supply assembly 306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the charging station 300.

[0073] The multimedia component 308 includes a screen that provides an output interface between the charging pile 300 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor can not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 308 includes a front camera and / or a rear camera. When the charging pile 300 is in an operating mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

[0074] The audio component 310 is configured to output and / or input audio signals. For example, the audio component 310 includes a microphone (MIC), which is configured to receive external audio signals when the charging pile 300 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal can be further stored in the memory 304 or transmitted via the communication component 316. In some embodiments, the audio component 310 also includes a speaker for outputting audio signals.

[0075] The input / output interface 312 provides an interface between the processing component 302 and peripheral interface modules, such as a keyboard, a click wheel, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.

[0076] The sensor assembly 314 includes one or more sensors for providing various aspects of status assessment for the charging pile 300. For example, the sensor assembly 314 can detect the open / closed state of the charging pile 300, the relative positioning of components, such as the display and keypad of the charging pile 300. The sensor assembly 314 can also detect changes in the position of the charging pile 300 or a component of the charging pile 300, the presence or absence of user contact with the charging pile 300, the orientation or acceleration / deceleration of the charging pile 300, and temperature changes of the charging pile 300. The sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 314 may also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0077] The communication component 316 is configured to facilitate wired or wireless communication between the charging pile 300 and other devices. The charging pile 300 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 316 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

[0078] In an exemplary embodiment, the charging station 300 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components.

[0079] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 304 including instructions, which can be executed by the processor 320 of the charging station 300. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0080] In another exemplary embodiment, a computer program product is further provided. The computer program product includes a computer program that can be executed by a programmable charging post, and the computer program is executed by the programmable charging post.

[0081] Figure 4 FIG. 1 is a block diagram of an electric vehicle charging system according to an exemplary embodiment. Figure 4 As shown, an embodiment of the present disclosure provides an electric vehicle charging system 400 , which may include a vehicle 200 and a charging pile 300 .

[0082] Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the specification and practicing the present disclosure. 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 not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

[0083] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A charging gun detection circuit, characterized in that: The charging gun detection circuit includes: a first detection circuit; The first detection circuit includes: a vehicle controller, a voltage detector, a first detection resistor and a second detection resistor; one end of the first detection resistor is connected to a first DC voltage, the other end of the first detection resistor is connected to the CC2 signal port of the vehicle controller, the first port of the voltage detector is connected to the low-voltage auxiliary signal port of the vehicle controller, the second port of the voltage detector is grounded through the second detection resistor, and the second port of the voltage detector is used to connect to the CC1 signal port of the charging pile controller.

2. The charging gun detection circuit according to claim 1, characterized in that: The charging pile controller is arranged in a second detection circuit of the charging pile, and the second detection circuit further comprises: an insertion switch, a third detection resistor, a fourth detection resistor and a fifth detection resistor; One end of the third detection resistor is grounded, and the other end of the third detection resistor is connected to the CC2 signal port of the vehicle controller. The fourth detection resistor and the insertion switch are connected in series between the CC1 signal port of the charging pile controller and the ground. One end of the fifth detection resistor is connected to the second DC voltage, and the other end of the fifth detection resistor is connected to the CC1 signal port of the charging pile controller.

3. The charging gun detection circuit according to claim 2, characterized in that: The S+ signal port of the vehicle controller is connected to the S+ signal port of the charging pile controller, and the S- signal port of the vehicle controller is connected to the S- signal port of the charging pile controller.

4. The charging gun detection circuit according to claim 2, characterized in that: The insertion switch is in a closed state when the charging gun is fully connected to the vehicle charging base; The insertion switch is in an off state when the charging gun is not connected or is half-connected to the vehicle charging base.

5. The charging gun detection circuit according to claim 2, characterized in that: The first DC voltage is a first voltage or a second voltage, the second DC voltage is the first voltage, and the first voltage is greater than the second voltage.

6. The charging gun detection circuit according to claim 4, characterized in that: When the voltage of the low-voltage auxiliary signal port of the vehicle controller is zero, the charging gun is in a disconnected state; When the voltage of the low-voltage auxiliary signal port of the vehicle controller is the third voltage, the charging gun is in a semi-connected state; When the voltage of the low-voltage auxiliary signal port of the vehicle controller is the fourth voltage, the charging gun is in a fully connected state; The third voltage and the fourth voltage are both lower than the second DC voltage, and the fourth voltage is lower than the third voltage.

7. The charging gun detection circuit according to any one of claims 1 to 6, characterized in that: The voltage detector includes a voltage detector of a low-voltage auxiliary power supply of the vehicle controller.

8. The charging gun detection circuit according to any one of claims 1 to 6, characterized in that: The voltage detector includes a voltmeter.

9. A vehicle, characterized in that: The device comprises the first detection circuit according to any one of claims 1 to 8.

10. A charging pile, characterized in that: The method comprises the second detection circuit according to any one of claims 2 to 8.

11. An electric vehicle charging system, characterized in that: The electric vehicle charging system comprises the vehicle according to claim 9 and the charging pile according to claim 10.

Images