WO2017185806A1

WO2017185806A1 - Charging wakeup apparatus and control method for charging wakeup apparatus

Info

Publication number: WO2017185806A1
Application number: PCT/CN2016/113670
Authority: WO
Inventors: 李培才; 赵玮炜; 叶子亮
Original assignee: 华为技术有限公司
Priority date: 2016-04-25
Filing date: 2016-12-30
Publication date: 2017-11-02
Also published as: CN107306043B; CN107306043A

Abstract

Disclosed are a charging wakeup apparatus and a control method for the charging wakeup apparatus, which falls with the field of electric automobiles. The apparatus comprises: a power module (201), a wakeup module (202) and a data processing module (203). The power module (201) is connected to the wakeup module (202), the power module (201) is connected to an external power supply module, and the power module (201) is also connected to the data processing module (203). The wakeup module (202) is connected to a charging interface of an electric automobile; when a resistor wakeup signal sent by an external charging device via the charging interface is received, the wakeup module (202) is used to send a first trigger control signal to the power module (201) to wake up the power module (201); and the power module (201) is used, in a wakeup state, to convert a first voltage signal provided by the power supply module to a second voltage signal, and to send the second voltage signal to the data processing module (203). According to the technical solution, a resistor wakeup signal is used as a wakeup source, and a power module (201) is in an operating state only after a resistor wakeup signal is received, which thus greatly reduces power consumption.

Description

Charging wake-up device and control method of charging wake-up device

The present application claims priority to Chinese Patent Application No. 201610261856.3, entitled "Control Method of Charging Awakening Device and Charging Awakening Device", issued on April 25, 2016, the entire contents of which are incorporated by reference. In this application.

Technical field

The present invention relates to the field of electric vehicles, and in particular, to a charging wake-up device and a charging wake-up device control method.

Background technique

With the popularity of EV (Electric Vehicle), EV charging has become a focus of public concern. Among them, common charging methods include charging of the vehicle and AC charging or DC charging of the EV through an external charging device. At present, when the EV is in the flameout state, the vehicle system is in the power-off state, and the first condition for the EV to be charged is that the vehicle system is in the power-on state, so in the charging process of the EV, the vehicle system must first be woken up.

Referring to FIG. 1, this method uses a voltage signal as a wake-up source, that is, a 12V voltage signal provided by an external charging device as a wake-up source. The charging wake-up device includes one power module and one data processing module. In Figure 1, the power module is a controlled power module, and the external power module is a normal power module connected to the power module. The power module is essentially a battery on the electric vehicle, providing a 12V voltage signal for the power module; Also connected with the charging interface, when the external charging device is connected to the charging interface, the power module will receive the 12V voltage wake-up signal sent by the external charging device; after that, the power module converts the 12V voltage signal provided by the power supply module into 5V through internal voltage conversion. The voltage signal, and output a 5V voltage signal to the data processing module, so that the data processing module enters the working state under the trigger of the 5V voltage signal, so that the charging wake-up device enters the working state, and then wakes up the vehicle system through the charging wake-up device. In parts such as battery management systems or meters.

In the process of implementing the present invention, it has been found that the prior art has at least the following problems:

For the above wake-up mode, the wake-up source is a 12V voltage signal, so this method can only be applied to an external charging device with a 12V voltage signal, for a charging device without a 12V voltage signal, such as AC charging equipment is not applicable, so the limitations are strong.

Summary of the invention

Embodiments of the present invention provide a charging wake-up device and a charging wake-up device control method. The technical solution is as follows:

In a first aspect, a charging wake-up device is provided, the device comprising: a power module, a wake-up module, and a data processing module. The power module is connected to the wake-up module, and the power module is further connected to an external power supply module and the data processing module. The power supply module is substantially a battery on the electric vehicle, and provides a first voltage signal to the power module.

The wake-up module is connected to a charging interface of the electric vehicle, and the wake-up module is configured to send a first trigger control signal to the power module to wake up when receiving a resistance wake-up signal sent by the external charging device through the charging interface a power module, configured to convert the first voltage signal into a second voltage signal in an awake state, and send the second voltage signal to the data processing module to enable the data processing The module enters an active state triggered by the second voltage signal.

Since the charging interface is an exposed interface in the vehicle system, it is prone to short-circuit and other faults, and timely and accurate diagnosis and prompting of the charging interface failure can ensure safe and reliable charging. Therefore, the charging wake-up device includes, in addition to the above several modules, a monitoring module capable of monitoring the voltage state of the charging interface, and a diagnostic control module for performing fault diagnosis on the charging interface.

The monitoring module is connected to the data processing module in addition to the charging interface. The monitoring module is configured to collect a third voltage signal output by the charging interface, perform filtering processing on the third voltage signal, and send a filtered voltage signal to the data processing module to enable the data processing The module monitors a voltage state of the charging interface according to the filtered voltage signal. The diagnostic control module is connected to the data processing module, and configured to perform fault diagnosis on the charging interface after receiving the second trigger control signal sent by the data processing module.

The specific component composition and corresponding connection relationship of each module will be described below.

The monitoring module includes a sampling filter circuit and a transmitting circuit, and the sampling filtering circuit is configured to collect the third voltage signal output by the charging interface, and perform filtering processing on the third voltage signal; And a circuit for outputting the filtered voltage signal to the data processing module, so that the data processing module monitors a voltage state of the charging interface according to the filtered processed voltage signal.

The diagnostic control module includes a first switching element, a first resistor, a second resistor, and a third resistor; a control end of the first switching element is connected to one end of the second resistor, and the first switching element is controlled The terminal is further connected to one end of the third resistor; the first end of the first switching element is connected to one end of the first resistor, and the first end of the first switching element is further connected to the third resistor The other end is connected; the second end of the first switching element is connected to the charging interface, the other end of the first resistor is connected to the ground, and the other end of the second resistor is connected to the data processing module.

The wake-up module includes a second switching element, a diode, a fourth resistor, and a fifth resistor; a control end of the second switching element is connected to one end of the fourth resistor, and a control end of the second switching element is further Connected to one end of the fifth resistor; the first end of the second switching element is connected to the power module, and the second end of the second switching element is connected to the other end of the fourth resistor, The second end of the second switching element is further connected to the power supply module; the other end of the fifth resistor is connected to one end of the diode, and the other end of the diode is connected to the charging interface.

The first switching element and the second switching element may be a field effect transistor or a thin film transistor, and the control terminal is referred to as a gate terminal, which is not specifically limited in this embodiment of the present invention. If the first switching element and the second switching element are both N-type field effect transistors, the first end refers to the drain and the second end refers to the source.

The data processing module includes an input port, an output port, and at least one power supply port; the input port is connected to the monitoring module, the output port is connected to the diagnostic control module, and the at least one power supply port is The power modules are connected.

The power module includes at least one control port, a voltage input port, and a voltage output port; the control port is connected to the wake-up module, the voltage input port is connected to the power supply module, and the voltage output port is The data processing modules are connected.

In a second aspect, a control method for a charging wake-up device is provided, which is applied to the charging wake-up device described above, the method comprising: when the vehicle system is in a power-off state, if the wake-up module receives an external charging device and is charged by the electric vehicle And sending, by the interface, the first wake-up control signal to the power module; when receiving the first trigger control signal, the power module converts the first voltage signal provided by the external power supply module into the second voltage a signal; the power module outputs the second voltage signal to a data processing module.

With reference to the content described in the second aspect, after the power module outputs the second voltage signal to the data processing module, the data processing module enters a normal working state under the trigger of the second voltage signal, thereby completing The wake-up of the charging wake-up device. In the charging wake-up device enters the normal working condition After the state, the monitoring module may collect the third voltage signal output by the charging interface periodically or in real time, and perform filtering processing on the third voltage signal; after that, output the filtered voltage signal to The data processing module: after receiving the filtered voltage signal, the data processing module determines whether the filtered voltage signal satisfies a preset threshold; if the filtered voltage signal satisfies The preset threshold, the data processing module identifies the charging mode or charging power of the electric vehicle according to the filtered voltage signal. In addition, the data processing module further sends a second trigger control signal to the diagnostic control module, so that the diagnostic control module performs fault diagnosis on the charging interface when receiving the second trigger control signal.

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:

The charging wake-up device provides a wake-up module, so that when the external charging device is in a power-off state, when the external charging device sends a resistance wake-up signal to the wake-up module through the charging interface of the electric vehicle, the wake-up module can wake up at the resistance The triggering control signal is sent to the power module under the trigger of the information number, so that the power module converts the voltage signal provided by the external power supply module, and outputs the converted voltage signal to the data processing module, thereby causing the data processing module to enter the working state. In order to realize the charging wake-up, the wake-up signal of the charging wake-up mode is no longer limited to the voltage signal, so various charging devices can realize charging of the electric vehicle, and the power module enters the working state only under the trigger of the wake-up module, which greatly reduces the Power consumption.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a schematic structural diagram of a charging wake-up device provided by the background art of the present invention;

2 is a schematic structural diagram of a charging wake-up device according to an embodiment of the present invention;

3 is a schematic structural diagram of a charging wake-up device according to an embodiment of the present invention;

4 is a schematic structural diagram of a circuit entity of a charging wake-up device according to an embodiment of the present invention;

FIG. 5 is a schematic flowchart of a charging wakeup process according to an embodiment of the present invention; FIG.

FIG. 6 is a flowchart of a control method of a charging wake-up device according to an embodiment of the present invention.

detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Usually, an electric car is often subjected to the following two conditions before charging:

The first type, the electric vehicle is in the key_on state, that is, the electric vehicle can detect the key signal or the one-button start signal, and the vehicle system is in the power-on state. Among them, the vehicle system includes vehicle controllers, various instruments, and battery management systems.

Second, the electric vehicle is in a flameout state, such as when the electric vehicle is parked in a parking lot or a garage, and the vehicle system is powered off. Each part of the system is in power-down mode and remains in a low power state.

When the electric vehicle is powered off, if the electric vehicle needs to be charged, an external trigger must be used to wake up the entire vehicle system, that is, the electric vehicle can be charged while the vehicle system is powered on. The charging wake-up method provided by the embodiment of the invention can use the resistance signal to charge and wake up the whole vehicle system when the electric vehicle is in the power-off state, thereby ensuring safe and reliable charging of the automobile. After the charging is completed, the vehicle system is powered off and continues to maintain a low power consumption state.

FIG. 2 is a schematic structural diagram of a charging wake-up device according to an embodiment of the present invention. Referring to FIG. 2, the charging wake-up device includes a power module 201, a wake-up module 202, and a data processing module 203.

The power module 201 is connected to the wake-up module 202 and the external power supply module, and the power module 201 is also connected to the data processing module 203. The wake-up module 202 is connected to the charging interface of the electric vehicle, and the wake-up module 202 is configured to receive the external charging device when receiving When the resistance wake-up signal sent by the charging interface is sent, the first trigger control signal is sent to the power module 201 to wake up the power module 201.

The power module 201 is configured to convert the first voltage signal provided by the power supply module into a second voltage signal in an awake state, and send the second voltage signal to the data processing module 203, so that the data processing module 203 is in the second voltage signal. Enter the working state under the trigger.

In the embodiment of the present invention, the power supply module is a normal power module, which is substantially a battery in an electric vehicle, and can provide a voltage signal with a value of 12V or a voltage signal of other values for the power module 201. This is not specifically limited. The resistance wake-up signal can be a CC (Connect Confirm) signal, which is suitable for AC charging mode; the resistance wake-up signal can also be a CC2 signal, which is suitable for DC charging mode. The external charging device is connected to the charging interface of the electric vehicle. The charging interface is based on the GB/T20234 interface, and is compatible with the DC charging mode, the AC charging mode, and the vehicle in order to facilitate the connection of the external charging device. Car charging mode. The external charging device provides a resistance wake-up signal to the wake-up module 202 through the charging interface.

In addition, in this embodiment, the power module 201 is a controlled power module, that is, the wake-up module 202 controls the power module 201 to enable the power module 201 to be activated after the external charging device is connected to the charging interface of the electric vehicle. Power module 201. That is to say, the power module 201 can only work after being externally triggered. The power module 201 converts the first voltage signal provided by the power supply module into a second voltage signal in an awake state, and outputs the second voltage signal to the data processing module 203 to provide a constant voltage signal to the data processing module 203. After receiving the second voltage signal, the data processing module 203 enters a normal working state under the trigger of the second voltage signal. When the power module 201 is not externally triggered, the power module 201 is always in a stop state, and the power consumption is almost zero. The first voltage signal refers to a 12V voltage signal provided by the power supply module, and the second voltage signal is usually 5V. After receiving the second voltage signal, the data processing module 203 can enter the working state, and then wake up the parts of the vehicle system such as the meter, the battery management system, and the like through the charging wake-up device.

It should be noted that since the charging interface is an interface exposed to the outside, it is easy to have a short-circuit fault, and if the fault occurring in the charging interface can be monitored and diagnosed in time and accurately, the electric vehicle can be ensured safely and reliably. Charge it. To this end, as shown in FIG. 3, the charging wake-up device provided by the embodiment of the present invention further includes a monitoring module 204 and a diagnostic control module 205.

The monitoring module 204 is connected to the charging interface and the data processing module 203. In addition, the monitoring module 204 is also coupled to the wake-up module 202. After the data processing module enters the working state, the monitoring module 204 can collect the third voltage signal output by the charging interface to monitor the voltage state of the charging interface. The effective voltage states are V1, V2, and V3. When the voltage value of the charging interface is V1, V2 or V3, it proves that the charging interface is in normal working state and no abnormality has occurred. For the numerical values of V1, V2, and V3, refer to the following description.

The diagnostic control module 205 is coupled to the charging interface and data processing module 203. In addition, the diagnostic control module 205 is also coupled to the wake-up module 202. After entering the working state, the data processing module 203 performs a fault diagnosis operation on the charging interface by controlling the diagnostic control module 205 to increase the maintainability of the charging interface. The fault that may occur in the charging interface includes, but is not limited to, an open circuit, a short-circuit to the ground, and a short-circuit to the power supply, and the like, which is not specifically limited in this embodiment of the present invention. When the magnitude of the third voltage signal is V4, the state of the corresponding charging interface is short to ground; when the magnitude of the third voltage signal is V5, the state of the corresponding charging interface is an open state; when the value of the third voltage signal is When the size is V6, right The status of the charging interface should be shorted to the power state. Among them, V1, V2, V3, and V5 are voltage values of 0 to 5V, V4 is 0V, and V6 is 5V. It should be noted that V1, V2, V3, and V5 all correspond to a specific value, but the magnitude of the above value changes when the resistance of the charging wake-up device is different. When the voltage state of the charging interface is an inactive voltage state, that is, if the voltage value of the charging interface is not any of V1, V2, and V3, it is proved that the charging is abnormal. In addition, if the charging interface fails, the fault condition can be displayed by the instrument of the electric vehicle to prompt the user. If the data processing module 203 determines that the charging interface has not failed through the monitoring module 204 and the diagnostic control module 205, the charging process can be performed after the vehicle system is woken up, thereby realizing charging of the electric vehicle.

The specific electronic components included in each of the above modules are as follows:

The power module 201 includes at least one control port EN1, one voltage input port Vin1, and one voltage output port Vout1. The control port EN1 is connected to the wake-up module for receiving the trigger control signal of the wake-up module 202. The voltage input port Vin1 is connected to the power supply module, and the voltage output port Vout1 is connected to the data processing module 203 for providing a constant data processing module 203. Voltage signal. Control port EN1.

As shown in FIG. 4, the external charging device may include a control resistor Rcc and a switch K1 for controlling the output of the resistance wake-up signal by the external charging device. The power supply module includes an anti-reverse diode D2, a storage capacitor C2 and a filter capacitor C3 for supplying power to the power module.

The monitoring module 204 includes a sampling filter circuit and a transmitting circuit. The sampling filter circuit is configured to collect a third voltage signal output by the charging interface, and perform filtering processing on the third voltage signal. The sending circuit is configured to output the filtered voltage signal to the data processing module 203, so that the data processing module 203 is configured according to the data processing module 203. The filtered voltage signal monitors the voltage state of the charging interface. The sampling filter circuit may specifically include a capacitor C1 and a resistor R6 for collecting the voltage information number and improving the anti-interference performance of the collected voltage signal by filtering. It mainly assists the data processing module to monitor the voltage status of the charging interface.

The diagnostic control module 205 includes a switching element and at least one resistor. Preferably, referring to FIG. 4, the diagnostic control module includes a switching element Q1, a diagnostic resistor R1, R2 and R3. Wherein, the control end of the switching element Q1 is connected to one end of the resistor R2, the control end of the switching element Q1 is also connected to one end of the resistor R3; the first end of the switching element Q1 is connected to one end of the resistor R1, and the first end of the switching element Q1 It is also connected to the other end of the resistor R3; the second end of the switching element Q1 is connected to the charging interface, the other end of the resistor R1 is connected to the ground, and the other end of the resistor R2 is connected to the data processing module. Wherein, the switching element Q1 is connected to the diagnostic resistor R3 to the reference ground, and the charging interface can be changed. The voltage state provides a diagnostic reference voltage to facilitate the data processing module 203 to perform diagnostic control operations. The value of the diagnostic reference voltage corresponds to the size V5 when the charging interface is in an open state. The control resistors R4 and R5 are the matching resistors of the switching element Q1 and are connected to the data processing module 203.

The wake-up module 202 includes a switching element, a diode, and at least one resistor. Preferably, referring to FIG. 4, the wake-up module 202 includes two switching resistors Q2, one diode D1, R4 and R5. Wherein, the control end of Q2 is connected to one end of the resistor R4, the control end of Q2 is also connected to one end of the resistor R5; the first end of Q2 is connected to the power module, and the second end of Q2 is connected to the other end of the resistor R4, Q2 The second end is also connected to the power supply module; the other end of the resistor R5 is connected to one end of the diode D1, and the other end of the diode D1 is connected to the charging interface.

The switching element Q2 is used to control the power module 201; if the external charging device is reliably connected to the charging interface, the switching element Q2 will be automatically turned on, thereby enabling the power module 201, the power module 201 is in an active state; when the switching element Q2 is in In the off state, the power module 201 enters a stop state. The control resistors R4 and R5 are the matching resistors of the switching element Q2, while providing the reference voltage dividing resistor for the monitoring module 204; the diode D1 provides reverse protection for the charging interface.

The data processing module 203 includes an input port, an output port, and at least one power port. Preferably, as shown in FIG. 4, the data processing module 203 is specifically a single chip microcomputer, and includes an analog input port ADC1, an output port OUT1, and N power supply ports VCC1 VVCCn. The analog input port ADC1 is connected to the monitoring module 204, the output port OUT1 is connected to the diagnostic control module 205, and the N power supply ports VCC1 VVCCn are connected to the power module 201.

The input port ADC1 is configured to receive the voltage data collected by the monitoring module 204 from the charging interface; the output port OUT1 is connected to the diagnostic control module 205 for controlling the diagnostic module; the power supply ports VCC1 VVCCn are used to receive the power module 201 A constant voltage signal that is output. The data processing processing module 203 mainly performs charging process execution, charging mode determination, voltage state monitoring, and fault diagnosis.

After introducing the specific device components of the above various modules, the following describes the diagnostic control flow of the charging interface of the monitoring module and the diagnostic control module for the circuit structure diagram shown in FIG. 4, as shown in FIG. 5:

a. The vehicle system of the electric vehicle is in a power-off state.

b. The external charging device is connected to the charging interface of the electric vehicle.

c. Detect whether the switching element Q2 is turned on.

d. If the switching element Q2 is turned on, the power module is woken up.

e. The data processing module controls the switching element Q1 to be turned on, and performs a fault diagnosis operation of the charging interface.

In this step, if the voltage of the charging interface is V4, V5 or V6, it is judged that the charging interface is faulty.

f. The data processing module determines whether the voltage signal collected by the monitoring module is a preset threshold.

The preset threshold refers to the effective voltage states V1, V2, and V3 of the charging interface.

g. If the collected voltage signal is a preset threshold, the data processing module performs charging power identification or charging mode identification.

The charging mode includes, but is not limited to, a DC charging mode, an AC charging mode, and the like, which are not specifically limited in this embodiment of the present invention. For example, for the DC charging mode, the external charging device provides a fixed value voltage to the charging interface; for the AC charging mode, the voltage supplied to the charging interface by the external charging device changes, so the voltage based on the charging interface is output. The signal identifies the charging mode of the electric car.

The preset threshold refers to the effective voltage states V1, V2, and V3 of the charging interface. Each of the effective voltage states corresponds to a different charging current. For example, when the third voltage signal is the acquisition voltage V1, the corresponding charging current I1; when the third voltage signal is the acquisition voltage V2, the corresponding charging current I2; the third voltage signal is the acquisition At the voltage V3, the charging current I3 is corresponding. Since the external charging device corresponds to one charging current, such as 800 mA, 16 A, 32 A, etc., and each of the charged devices generally corresponds to a maximum charging current, after obtaining the above charging current, the electric vehicle externally charges according to the charging current. The charging capability provided by the device is verified to determine whether it is safe and feasible to charge the electric vehicle using the current charging device to complete the interaction check between the external charging device and the electric vehicle.

The charging wake-up device provided by the embodiment of the invention provides a wake-up module, so that when the whole vehicle system is powered off, when the external charging device sends a resistance wake-up signal to the wake-up module through the charging interface of the electric vehicle, the wake-up module The trigger control signal can be sent to the power module under the trigger of the resistor wake-up information number, so that the power module converts the voltage signal provided by the external power supply module, and outputs the converted voltage signal to the data processing module, thereby making the data The processing module enters the working state, thereby implementing the charging wake-up, so that the wake-up signal of the charging wake-up mode is no longer limited to the voltage signal, so multiple charging devices can charge the electric vehicle, and the power module only enters the work under the trigger of the wake-up module. The state greatly reduces the power consumption; in addition, the fault diagnosis of the charging interface can be diagnosed by the monitoring module and the diagnostic control module, which not only ensures safe and reliable charging, but also enhances the maintainability of the charging interface.

6 is a flowchart of a control method of a charging wake-up device according to an embodiment of the present invention, which is applied to The charging wake-up device shown in the above embodiment. Referring to FIG. 6, the method process provided by the embodiment of the present invention includes:

601. When the vehicle system is in a power-off state, if the wake-up module receives the resistance wake-up signal sent by the external charging device through the charging interface of the electric vehicle, the first trigger control signal is sent to the power module.

602. The power module converts the first voltage signal provided by the external power supply module into the second voltage signal when receiving the first trigger control signal.

603. The power module outputs the second voltage signal to the data processing module.

Preferably, after the power module outputs the second voltage signal to the data processing module, the method further includes:

The monitoring module collects the third voltage signal output by the charging interface, and performs filtering processing on the third voltage signal; the monitoring module outputs the filtered voltage signal to the data processing module; the data processing module determines whether the filtered voltage signal satisfies the preset Threshold; if the filtered voltage signal satisfies a preset threshold, the data processing module identifies the charging mode or charging power of the electric vehicle according to the filtered voltage signal.

Preferably, after the power module outputs the second voltage signal to the data processing module, the method further includes: the data processing module sends a second trigger control signal to the diagnostic control module; after receiving the second trigger control signal, the diagnostic control module Change the voltage state of the charging interface of the electric vehicle and perform fault diagnosis operation on the charging interface.

According to the method provided by the embodiment of the present invention, when the external charging device sends a resistance wake-up signal to the wake-up module through the charging interface of the electric vehicle, the wake-up module can wake up the information number at the resistor when the vehicle system is powered off. Triggering to send a trigger control signal to the power module to enable the power module to convert the voltage signal provided by the external power supply module, and output the converted voltage signal to the data processing module, thereby causing the data processing module to enter a working state, thereby implementing The charging wake-up causes the wake-up signal of the charging wake-up mode to be no longer limited to the voltage signal, so that various charging devices can charge the electric vehicle, and the power module enters the working state only under the trigger of the wake-up module, which greatly reduces the power consumption; In addition, the diagnosis of the charging interface can be diagnosed by the monitoring module and the diagnostic control module, which not only ensures safe and reliable charging, but also enhances the maintainability of the charging interface.

Those skilled in the art can understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored. In a computer readable storage medium, the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

A charging wake-up device, comprising: a power module, a wake-up module, and a data processing module;

The power module is connected to the wake-up module, the power module is connected to an external power supply module, and the power module is further connected to the data processing module;

The wake-up module is connected to a charging interface of the electric vehicle, and the wake-up module is configured to send a first trigger control signal to the power module to wake up when receiving a resistance wake-up signal sent by the external charging device through the charging interface Power module

The power module is configured to convert a first voltage signal provided by the power supply module into a second voltage signal in an awake state, and send the second voltage signal to the data processing module to enable the data processing The module enters an active state triggered by the second voltage signal.
The device according to claim 1, wherein the device further comprises a monitoring module;

The monitoring module is connected to the charging interface, and the monitoring module is further connected to the data processing module, the monitoring module is configured to collect a third voltage signal output by the charging interface, and perform the third voltage signal And filtering, and sending the filtered voltage signal to the data processing module, so that the data processing module monitors a voltage state of the charging interface according to the filtered voltage signal.
The apparatus according to claim 2, wherein said monitoring module comprises a sampling filter circuit and a transmitting circuit;

The sampling filter circuit is configured to collect the third voltage signal output by the charging interface, and perform filtering processing on the third voltage signal;

The transmitting circuit is configured to output the filtered voltage signal to the data processing module, so that the data processing module monitors a voltage state of the charging interface according to the filtered processed voltage signal.
The device according to claim 1 or 2, wherein the device further comprises a diagnostic control module;

The diagnostic control module is connected to the data processing module, and the diagnostic control module is used to connect After receiving the second trigger control signal sent by the data processing module, performing fault diagnosis on the charging interface.
The device according to claim 4, wherein the diagnostic control module comprises a first switching element, a first resistor, a second resistor, and a third resistor;

a control end of the first switching element is connected to one end of the second resistor, and a control end of the first switching element is further connected to one end of the third resistor;

The first end of the first switching element is connected to one end of the first resistor, and the first end of the first switching element is further connected to the other end of the third resistor;

The second end of the first switching element is connected to the charging interface, the other end of the first resistor is connected to the ground, and the other end of the second resistor is connected to the data processing module.
The device according to any one of claims 1 to 5, wherein the wake-up module comprises a second switching element, a diode, a fourth resistor and a fifth resistor;

a control end of the second switching element is connected to one end of the fourth resistor, and a control end of the second switching element is further connected to one end of the fifth resistor;

a first end of the second switching element is connected to the power module, a second end of the second switching element is connected to another end of the fourth resistor, and a second end of the second switching element is further The power supply modules are connected;

The other end of the fifth resistor is connected to one end of the diode, and the other end of the diode is connected to the charging interface.
The apparatus according to any one of claims 1 to 6, wherein said data processing module comprises an input port, an output port and at least one power supply port;

The input port is connected to the monitoring module, the output port is connected to the diagnostic control module, and the at least one power supply port is connected to the power module.
The apparatus according to any one of claims 1 to 7, wherein said power module comprises at least one control port, a voltage input port and a voltage output port;

The control port is connected to the wake-up module, the voltage input port is connected to the power supply module, and the voltage output port is connected to the data processing module.
A charging and wake-up device control method, which is applied to the charging wake-up device according to any one of claims 1 to 8, wherein the method comprises:

When the vehicle system is in the power-off state, if the wake-up module receives the resistance wake-up signal sent by the external charging device through the charging interface of the electric vehicle, the first trigger control signal is sent to the power module;

The power module converts the first voltage signal provided by the external power supply module into the second voltage signal when receiving the first trigger control signal;

The power module outputs the second voltage signal to a data processing module.
The method according to claim 9, wherein after the power module outputs the second voltage signal to the data processing module, the method further includes:

The monitoring module collects a third voltage signal output by the charging interface, and performs filtering processing on the third voltage signal;

The monitoring module outputs the filtered voltage signal to the data processing module;

The data processing module determines whether the filtered voltage signal meets a preset threshold;

And if the filtered voltage signal satisfies the preset threshold, the data processing module identifies a charging mode or a charging power of the electric vehicle according to the filtered processed voltage signal.
The method according to claim 9, wherein after the power module outputs the second voltage signal to the data processing module, the method further includes:

The data processing module sends a second trigger control signal to the diagnostic control module;

The diagnostic control module performs fault diagnosis on the charging interface when receiving the second trigger control signal.