Wake-up circuit, vehicle charger, vehicle charging system and wake-up method

Abstract

The present application provides a wake-up circuit, an on-board charger, an on-board charging system and a wake-up method, and relates to the field of electric vehicle technology. The wake-up circuit includes: a two-stage wake-up actuator, two gate circuits, two control switches and a controller; the power supply end of the two-stage wake-up actuator is connected to the power supply, the input end of the two-stage wake-up actuator is connected to the output end of the input device, and is powered on respectively according to the first wake-up mode and the second wake-up mode set by the input device; the power supply is connected to the controller power supply end through the first control switch and the second control switch in sequence, the output end of the first-stage wake-up actuator is connected to the control end of the first control switch through the first gate circuit, and the first control switch is controlled to be turned on according to the wake-up confirmation instruction; the output end of the second-stage wake-up actuator is connected to the control end of the second control switch through the second gate circuit, and the second control switch is controlled to be turned on according to the wake-up confirmation instruction. Through this application, multiple wake-up methods can be provided and the reliability of wake-up can be ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicles, and in particular to a wake-up circuit, an on-board charger, an on-board charging system and a wake-up method. Background Art

[0002] With the increasing demand for environmental protection, pure electric vehicles have become the main direction of contemporary automobile development. The development and research of charging technology for pure electric vehicles is of great significance.

[0003] The existing wake-up method mainly uses hard-wire signals to wake up the on-board charger and there is no other wake-up method. Using hard-wire signals for wake-up is too limited and cannot meet multiple wake-up methods. On the other hand, a single wake-up method may cause the problem of false wake-up.

[0004] Based on the above problems, it is crucial to implement multiple wake-up modes to avoid increased power consumption due to false wake-up caused by a single wake-up model. Summary of the invention

[0005] The purpose of the present invention is to provide a wake-up circuit, an on-board charger, an on-board charging system and a wake-up method to address the deficiencies in the above-mentioned prior art, so as to provide multiple wake-up modes and ensure the reliability of the wake-up.

[0006] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

[0007] In a first aspect, an embodiment of the present application provides a wake-up circuit, including: a first-level wake-up execution mechanism, a second-level wake-up execution mechanism, a first gate circuit, a second gate circuit, a first control switch, a second control switch and a controller;

[0008] Wherein, the power supply end of the first-level wake-up actuator and the power supply end of the second-level wake-up actuator are both electrically connected to the power supply, and the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator are both electrically connected to the output end of the external input device, so as to be powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device;

[0009] The power supply is electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence, and the output end of the first-level wake-up actuator is electrically connected to the control end of the first control switch through the first gate circuit, so as to control the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator set by the external input device;

[0010] The output end of the second-level wake-up actuator is electrically connected to the control end of the second control switch through the second gate circuit to control the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator set by the external input device.

[0011] In an optional implementation, the output end of the first-level wake-up actuator is also electrically connected to the first detection end of the controller, so that the controller detects the first wake-up mode of the first-level wake-up actuator.

[0012] In an optional implementation, the first-level wake-up execution mechanism includes: a plurality of first wake-up modules, and the wake-up circuit further includes: a first multiplexer;

[0013] The output ends of the multiple first wake-up modules are electrically connected to the multiple first ends of the first multiplexer respectively, and the second end of the first multiplexer is electrically connected to the first detection end of the controller, so that the controller detects the wake-up status of the multiple first wake-up modules according to the first wake-up method, and records the information of the awakened first wake-up modules.

[0014] In an optional implementation, the input ends of the multiple first wake-up modules are also electrically connected to multiple first ends of the first multiplexer, so as to power on the first wake-up modules according to the information of the awakened first wake-up modules obtained from the controller.

[0015] In an optional implementation, the multiple first wake-up modules include: at least two wake-up modules of a connection confirmation wake-up module, a clock pulse wake-up module, a hard-line wake-up module, a message wake-up module, a wireless network wake-up module, a Bluetooth wake-up module, and a communication wake-up module.

[0016] In an optional implementation, the output end of the second-level wake-up actuator is also electrically connected to the second detection end of the controller, so that the controller detects the second wake-up mode of the second-level wake-up actuator.

[0017] In an optional implementation, the second-level wake-up execution mechanism includes: a plurality of second wake-up modules, and the wake-up circuit further includes: a second multiplexer;

[0018] The output ends of the multiple second wake-up modules are electrically connected to the multiple first ends of the second multiplexer, and the second end of the second multiplexer is electrically connected to the second detection end of the controller, so that the controller detects the wake-up status of the multiple second wake-up modules according to the second wake-up method and records the information of the awakened second wake-up modules.

[0019] In an optional implementation, the input ends of the plurality of second wake-up modules are also electrically connected to the plurality of first ends of the second multiplexer, respectively, so as to power on the second wake-up modules according to the information of the awakened second wake-up modules obtained from the controller.

[0020] In an optional implementation, the multiple second wake-up modules include: at least two wake-up modules of a connection confirmation wake-up module, a clock pulse wake-up module, a hard-line wake-up module, a message wake-up module, a wireless network wake-up module, a Bluetooth wake-up module, and a communication wake-up module.

[0021] In a second aspect, an embodiment of the present application further provides a vehicle-mounted charger, comprising: a wake-up circuit as described in any of the above embodiments, and a charge and discharge module, wherein the output end of the controller in the wake-up circuit is electrically connected to the control end of the charge and discharge module.

[0022] In a third aspect, an embodiment of the present application also provides a vehicle-mounted charging system, comprising: the vehicle-mounted charger, input device, and power supply described in the above embodiment; wherein the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator of the wake-up circuit in the vehicle-mounted charger are both electrically connected to the input device, the power supply ends of the first-level wake-up actuator and the second-level wake-up actuator are electrically connected to the power supply, and the power supply end of the controller in the wake-up circuit is also electrically connected to the power supply through two control switches.

[0023] In an optional embodiment, the power supply is electrically connected to the power supply end of the first-level wake-up actuator and the power supply end of the second-level wake-up actuator through a power supply harness, and the power supply is also electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence using the power supply harness;

[0024] The input device is electrically connected to an input end of the first-level wake-up actuator and an input end of the second-level wake-up actuator through a signal harness.

[0025] In an optional implementation, the input device includes: at least one of a central control screen, a dip switch, a self-locking button, and a matching resistor.

[0026] In a fourth aspect, an embodiment of the present application further provides a wake-up method, which is applied to the wake-up circuit described in any of the above embodiments, and the method includes:

[0027] The first-level wake-up execution mechanism and the second-level wake-up execution mechanism are powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device;

[0028] The first gate circuit controls the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up execution mechanism set by the external input device;

[0029] The second gate circuit controls the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up execution mechanism set by the external input device.

[0030] In an optional implementation manner, if the first-level wake-up execution mechanism includes: a plurality of first wake-up modules, the method further includes:

[0031] The controller detects the awakening states of the plurality of first awakening modules according to the first awakening mode, and records information of the awakened first awakening modules.

[0032] In an optional implementation manner, if the input ends of the plurality of first wake-up modules are also electrically connected to a plurality of first ends of the first multiplexer, respectively, the method further includes:

[0033] The first-level wake-up execution mechanism powers on the first wake-up module according to the acquired information of the awakened first wake-up module.

[0034] In an optional implementation manner, if the second-level wake-up execution mechanism includes: a plurality of second wake-up modules, the method further includes:

[0035] The controller detects the awakening states of the plurality of second awakening modules according to the second awakening mode, and records information of the awakened second awakening modules.

[0036] In an optional implementation manner, if the input ends of the plurality of second wake-up modules are also electrically connected to the plurality of first ends of the second multiplexer, respectively, the method further includes:

[0037] The second-level wake-up execution mechanism powers on the second wake-up module according to the acquired information of the awakened second wake-up module.

[0038] The beneficial effects of this application are:

[0039] The present application provides a wake-up circuit, an on-board charger, an on-board charging system and a wake-up method, wherein the wake-up circuit comprises: a first-level wake-up actuator, a second-level wake-up actuator, a first gate circuit, a second gate circuit, a first control switch, a second control switch and a controller; wherein the power supply end of the first-level wake-up actuator and the power supply end of the second-level wake-up actuator are both electrically connected to the power supply, the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator are both electrically connected to the output end of an external input device, so as to be powered on respectively according to a first wake-up mode and a second wake-up mode set by the external input device; the power supply is electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence, the output end of the first-level wake-up actuator is electrically connected to the control end of the first control switch through the first gate circuit, so as to control the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator set by the external input device; the output end of the second-level wake-up actuator is electrically connected to the control end of the second control switch through the second gate circuit, so as to control the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator set by the external input device. Through the solution provided by this application, two-level wake-up is achieved through the first-level wake-up actuator and the second-level wake-up actuator, avoiding the increase in power consumption caused by false wake-up caused by the single-level wake-up actuator, and ensuring the reliability of the wake-up mechanism. In addition, both the two-level wake-up actuators can realize multiple wake-up methods for wake-up, which can be applied to the needs of different automobile manufacturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0041] Figure 1 A circuit schematic diagram of the first wake-up circuit provided in an embodiment of the present application;

[0042] Figure 2 A circuit schematic diagram of a second wake-up circuit provided in an embodiment of the present application;

[0043] Figure 3 A schematic diagram of the structure of a vehicle charger provided in an embodiment of the present application;

[0044] Figure 4 A schematic diagram of the structure of a vehicle charging system provided in an embodiment of the present application;

[0045] Figure 5 A flowchart of a wake-up method is provided for an embodiment of the present application. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0047] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0048] In the description of the present application, it should be noted that if the terms "upper", "lower", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship in which the product of the application is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0049] In addition, the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0050] It should be noted that, in the absence of conflict, the features in the embodiments of the present application may be combined with each other.

[0051] Figure 1 The circuit schematic diagram of the first wake-up circuit provided in the embodiment of the present application is as follows: Figure 1 As shown, the wake-up circuit includes: a first-level wake-up execution mechanism 10 , a second-level wake-up execution mechanism 20 , a first gate circuit 30 , a second gate circuit 40 , a first control switch 50 , a second control switch 60 and a controller 70 .

[0052] Among them, the power supply ends of the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are electrically connected to the power supply, and the input ends of the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are electrically connected to the output ends of the external input device, so as to power on respectively according to the first wake-up mode and the second wake-up mode set by the external input device.

[0053] The power supply is electrically connected to the power supply end of the controller 70 through the first control switch 50 and the second control switch 60 in sequence, and the output end of the first-level wake-up actuator 10 is electrically connected to the control end of the first control switch 50 through the first gate circuit 30 to control the first control switch 50 to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator 10 set by the external input device.

[0054] The output end of the second-level wake-up actuator 20 is electrically connected to the control end of the second control switch 60 through the second gate circuit 40 to control the second control switch 60 to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator 20 set by the external input device.

[0055] Specifically, the first-level wake-up actuator 10 and the second-level wake-up actuator 20 both support multiple wake-up modes. Before the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are awakened, the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are both in a dormant state.

[0056] The first wake-up mode and the second wake-up mode of the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are respectively selected through the external input device, and the power supply terminal of the first-level wake-up actuator 10 is enabled according to the selected first wake-up mode, so as to power on the first-level wake-up actuator 10 through the power supply; and the power supply terminal of the second-level wake-up actuator 20 is enabled according to the selected second wake-up mode, so as to power on the second-level wake-up actuator 20 through the power supply. After being awakened and powered on, the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are in a standby state, waiting to receive instructions.

[0057] After the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are awakened and in the standby state, the external input device sends a wake-up confirmation instruction to the first-level wake-up actuator 10 and the second-level wake-up actuator 20 respectively. After receiving the wake-up confirmation instruction, the first-level wake-up actuator 10 controls the first gate circuit 30 to output a high-level signal, and the high-level signal controls the first control switch 50 to be turned on; after receiving the wake-up confirmation instruction, the second-level wake-up actuator 20 controls the second gate circuit 40 to output a high-level signal, and the high-level signal controls the second control switch 60 to be turned on. At this time, the connection path between the power supply and the power supply end of the controller 70 is turned on, and the controller 70 is powered on and in the standby state.

[0058] In an optional implementation manner, the first gate circuit 30 and the second gate circuit are both OR gate circuits.

[0059] In an optional embodiment, another output end of the external input device is also electrically connected to the input end of the battery management system to send a charging instruction or a scheduled charging instruction to the battery management system, and the output end of the battery management system is electrically connected to the control input end of the controller 70, and the control output end of the controller 70 is electrically connected to the auxiliary power supply to control the auxiliary power supply to charge according to the charging instruction or the scheduled charging instruction. The charging instruction or the scheduled charging instruction includes: charging start time, charging end time, charging voltage, etc.

[0060] The embodiment of the present application provides a wake-up circuit, including: a first-level wake-up actuator, a second-level wake-up actuator, a first gate circuit, a second gate circuit, a first control switch, a second control switch and a controller; wherein the power supply ends of the first-level wake-up actuator and the second-level wake-up actuator are both electrically connected to the power supply, and the input ends of the first-level wake-up actuator and the second-level wake-up actuator are both electrically connected to the output end of the external input device, so as to be powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device; the power supply is electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence, and the output end of the first-level wake-up actuator is electrically connected to the control end of the first control switch through the first gate circuit, so as to control the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator set by the external input device; the output end of the second-level wake-up actuator is electrically connected to the control end of the second control switch through the second gate circuit, so as to control the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator set by the external input device. The wake-up circuit provided by the embodiment of the present application realizes two-level wake-up through the first-level wake-up actuator and the second-level wake-up actuator, avoids the increase of power consumption caused by false wake-up caused by the single-level wake-up actuator, and ensures the reliability of the wake-up mechanism. Moreover, both the two-level wake-up actuators can realize a variety of wake-up methods, which can be applied to the needs of different automobile manufacturers.

[0061] Based on the above embodiments, the present application also provides a wake-up circuit, such as Figure 1 As shown, the output end of the first-level wake-up actuator 10 is also electrically connected to the first detection end of the controller 70 , so that the controller 70 detects the first wake-up mode of the first-level wake-up actuator 10 .

[0062] The output end of the second-level wake-up actuator 20 is also electrically connected to the second detection end of the controller 70 , so that the controller 70 detects the second wake-up mode of the second-level wake-up actuator 20 .

[0063] Specifically, after the first-level wake-up actuator 10 is awakened based on the first wake-up mode, it outputs a wake-up signal to the first gate circuit 30 according to the wake-up confirmation instruction to control the first control switch 50 to be turned on. The first-level wake-up actuator 10 also sends the wake-up signal to the controller 70, and the controller 70 detects the first wake-up mode of the first-level wake-up actuator 10 according to the received wake-up signal. The wake-up signal is used to indicate the first wake-up mode of the first-level wake-up actuator 10. For example, assuming that the first-level wake-up actuator 10 has two wake-up modes, "0" indicates an unselected wake-up mode, and "1" indicates a selected wake-up mode, then if the wake-up signal is "10", it indicates that the first wake-up mode of the first-level wake-up actuator 10 is the first wake-up mode, and if the wake-up signal is "01", it indicates that the first wake-up mode of the first-level wake-up actuator 10 is the second wake-up mode.

[0064] The controller 70 detects the second wake-up mode of the second-level wake-up actuator 20 in the same manner as the first-level wake-up actuator, which will not be described in detail herein.

[0065] Figure 2 The circuit schematic diagram of the second wake-up circuit provided in the embodiment of the present application is as follows: Figure 2 As shown, the first-level wake-up execution mechanism 10 includes: a plurality of first wake-up modules 11 ( Figure 2 Taking four first wake-up modules as an example), the wake-up circuit further includes: a first multiplexer 80 .

[0066] The output ends of the multiple first wake-up modules 11 are electrically connected to the multiple first ends of the first multiplexer 80 respectively, and the second end of the first multiplexer 80 is electrically connected to the first detection end of the controller 70, so that the controller 70 detects the wake-up status of the multiple first wake-up modules 11 according to the first wake-up method, and records the information of the awakened first wake-up modules.

[0067] Specifically, multiple first wake-up modules 11 are awakened by different first wake-up methods, and the first wake-up method input by the external input device can only be used to wake up and power on one first wake-up module 11. When the external input device inputs a wake-up confirmation instruction, the first wake-up module 11 that is powered on outputs a wake-up signal, and the other first wake-up modules 11 that are not powered on do not output a signal, or default to outputting a non-awakening signal. The wake-up signal and the non-awakening signal are sent to the first detection end of the controller 70 through the first multiplexer 80. The controller 70 confirms that the wake-up state of the first wake-up module 11 corresponding to the wake-up signal is awakened according to the received wake-up signal, and confirms that the wake-up state of the first wake-up module 11 corresponding to the non-awakening signal is not awakened according to the received non-awakening signal. The controller 70 records the information of the awakened first wake-up module 11 in the storage unit of the controller 70. The information of the awakened first wake-up module 11 may be the type or number of the awakened first wake-up module 11. For example, the storage unit may be an electrically erasable programmable read-only memory (EEPROM).

[0068] In an alternative embodiment, if Figure 2 As shown, the input ends of the plurality of first awakening modules 11 are also electrically connected to the plurality of first ends of the first multiplexer 80 , so as to power on the first awakening module 11 according to the information of the awakened first awakening module 11 obtained from the controller 70 .

[0069] Specifically, after the first wake-up module 11 of the first wake-up mode is selected from multiple first wake-up modules 11 and is awakened for the first time, the information of the awakened first wake-up module 11 can be obtained from the controller 70 through the first multiplexer 80 during the next awakening. According to the information of the awakened first wake-up module 11, the first end of the multiple first ends of the first multiplexer 80 connected to the awakened first wake-up module 11 outputs a wake-up signal, and the other first ends connected to the unaware first wake-up modules 11 output non-awakening signals, so that the first wake-up module 11 that was awakened last time is directly awakened according to the wake-up signal, without the need to select the first wake-up mode through an external input device.

[0070] Based on the above embodiments, the multiple first wake-up modules include: at least two wake-up modules among: connection confirmation wake-up module, clock pulse wake-up module, hard line wake-up module, message wake-up module, wireless network wake-up module, Bluetooth wake-up module, and communication wake-up module.

[0071] Specifically, if the external input device sends a connection confirmation (Connection Confirm, CC) signal, the CC signal wake-up method is selected to wake up the connection confirmation wake-up module; if the external input device sends a clock pulse (Clock Pulse, CP) signal, the CP signal wake-up method is selected to wake up the clock pulse wake-up module; if the external input device sends a hard-line signal, the hard-line signal wake-up method is selected to wake up the hard-line wake-up module. By way of example, the hard-line wake-up module can be a hardware switch; if the external input device sends a CAN message signal, the CAN message wake-up method is selected to wake up the message wake-up module; if the external input device sends a wireless signal, the wireless wake-up method is selected to wake up the wireless network (Wireless-Fidelity, WIFI) wake-up module; if the external input device sends a Bluetooth signal, the Bluetooth wake-up method is selected to wake up the Bluetooth wake-up module; if the external input device sends a communication signal, the communication wake-up method is selected to wake up the communication wake-up module. By way of example, the communication wake-up module can be a (Subscriber IdentityModule customer identification module).

[0072] It should be noted that the type of the first wake-up module in the wake-up circuit can be customized according to the requirements of the automobile manufacturer.

[0073] The wake-up circuit provided by the embodiment of the present application, the first-level wake-up execution mechanism includes multiple first wake-up modules, and the wake-up circuit also includes: a first multiplexer; the output ends of the multiple first wake-up modules are respectively electrically connected to the multiple first ends of the first multiplexer, and the second end of the first multiplexer is electrically connected to the first detection end of the controller, so that the controller detects the wake-up state of the multiple first wake-up modules according to the first wake-up method, and records the information of the awakened first wake-up modules. The input ends of the multiple first wake-up modules are also electrically connected to the multiple first ends of the first multiplexer respectively, so as to power on the first wake-up modules according to the information of the awakened first wake-up modules obtained from the controller. Through the scheme provided by the embodiment of the present application, the use of a multiplexer can save the IO port of the controller, ensure the simplicity of the connection relationship, record the information of the awakened first wake-up module in the controller, and realize the memory latch of the wake-up method, so that the corresponding first wake-up module can be directly awakened and powered on according to the information when the machine is turned on next time, without selecting the wake-up method through an external input device again, thereby improving the wake-up speed.

[0074] Based on the above embodiments, the present application also provides a wake-up circuit, such as Figure 2 As shown, the second-level wake-up execution mechanism 20 includes: a plurality of second wake-up modules 21 , and the wake-up circuit further includes: a second multiplexer 90 .

[0075] The output ends of the multiple second wake-up modules 21 are electrically connected to the multiple first ends of the second multiplexer 90 respectively, and the second end of the second multiplexer 90 is electrically connected to the second detection end of the controller 70, so that the controller 70 detects the wake-up status of the multiple second wake-up modules 21 according to the second wake-up method, and records the information of the awakened second wake-up modules 21.

[0076] Specifically, the function of the second multiplexer 90 and the process of the controller 70 recording the information of the awakened second awakening module 21 are the same as those recorded in the above-mentioned first-level awakening execution mechanism 10, and are not described in detail here.

[0077] In an optional implementation, the input ends of the plurality of second wake-up modules 21 are also electrically connected to the plurality of first ends of the second multiplexer 90 , so as to power on the second wake-up module 21 according to the information of the awakened second wake-up module 21 obtained from the controller 70 .

[0078] Specifically, the process of waking up and powering on the second wake-up module 21 according to the recorded information of the awakened second wake-up module 21 is the same as that of the first wake-up module 11, which will not be described in detail here.

[0079] Based on the above embodiments, the multiple second wake-up modules include: at least two wake-up modules among: connection confirmation wake-up module, clock pulse wake-up module, hard line wake-up module, message wake-up module, wireless network wake-up module, Bluetooth wake-up module, and communication wake-up module.

[0080] Specifically, the awakening method of the multiple second awakening modules is the same as the awakening method of the multiple first awakening modules, which will not be described in detail here.

[0081] The wake-up circuit provided by the embodiment of the present application, the second-level wake-up execution mechanism includes multiple second wake-up modules, and the wake-up circuit also includes: a second multiplexer; the output ends of the multiple second wake-up modules are respectively electrically connected to the multiple first ends of the second multiplexer, and the second end of the second multiplexer is electrically connected to the first detection end of the controller, so that the controller detects the wake-up state of the multiple second wake-up modules according to the second wake-up method, and records the information of the awakened second wake-up modules. The input ends of the multiple second wake-up modules are also electrically connected to the multiple first ends of the second multiplexer respectively, so as to power on the second wake-up modules according to the information of the awakened second wake-up modules obtained from the controller. Through the scheme provided by the embodiment of the present application, the use of a multiplexer can save the IO port of the controller, ensure the simplicity of the connection relationship, record the information of the awakened second wake-up module in the controller, and realize the memory latch of the wake-up method, so that the corresponding second wake-up module can be directly awakened and powered on according to the information when the machine is turned on next time, without selecting the wake-up method through an external input device again, thereby improving the wake-up speed.

[0082] Based on any of the above embodiments, the present application embodiment further provides a vehicle-mounted charger, Figure 3 A schematic diagram of the structure of a vehicle charger provided in an embodiment of the present application is shown in FIG. Figure 3 As shown, the on-board charger 300 includes: the wake-up circuit 100 in any of the above embodiments, and the charge and discharge module 200 , and the output end of the controller 70 in the wake-up circuit 100 is electrically connected to the control end of the charge and discharge module 200 .

[0083] Specifically, the charge and discharge module 200 has a charging function and a discharging function. When the charge and discharge module 200 is connected to a charging pile or a charging gun, and an external input device sends a charging instruction or a scheduled charging instruction to the controller 70 through the battery management system, the controller 70 controls the charge and discharge module 200 to charge. When the car is in the starting state or driving state, the charge and discharge module 200 discharges.

[0084] The vehicle charger provided in the embodiment of the present application includes a wake-up circuit and a charge-discharge module, and the output end of the controller in the wake-up circuit is electrically connected to the control end of the charge-discharge module. The vehicle charger provided in the embodiment of the present application avoids the vehicle charger from being woken up by mistake through the wake-up circuit, which causes the charge-discharge module to be woken up when it is not working and causes power consumption loss of the vehicle charger.

[0085] Based on the above embodiments, the present application also provides a vehicle charging system. Figure 4 A schematic diagram of the structure of a vehicle charging system provided in an embodiment of the present application is shown in FIG. Figure 4 As shown, the vehicle-mounted charging system includes: the vehicle-mounted charger 300 of the above-mentioned embodiment, an input device 400 and a power supply 500.

[0086] The input end of the first-level wake-up actuator 10 and the input end of the second-level wake-up actuator 20 of the wake-up circuit 100 in the vehicle charger 300 are both electrically connected to the input device 400, the power supply end of the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are electrically connected to the power supply 500, and the power supply end of the controller 70 in the wake-up circuit 100 is also electrically connected to the power supply 500 through the first control switch 50 and the second control switch 60.

[0087] Specifically, the first-level wake-up actuator 10 and the second-level wake-up actuator 20 are respectively powered according to the first wake-up mode and the second wake-up mode set by the input device 400, so that the power supply 500 supplies power to the first-level wake-up actuator 10 and the second-level wake-up actuator 20. The first-level wake-up actuator 10 and the second-level wake-up actuator 20 also control the first control switch 50 and the second control switch 60 to be turned on according to the wake-up confirmation instruction sent by the input device 400, so that the power supply 500 supplies power to the controller 70, so that the controller 70 is awakened. For example, the power supply can be a low-voltage battery.

[0088] The vehicle charging system provided by the embodiment of the present application includes a vehicle charger, an input device and a power supply; the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator of the wake-up circuit in the vehicle charger are both electrically connected to the input device, the power supply end of the first-level wake-up actuator and the second-level wake-up actuator are electrically connected to the power supply, and the power supply end of the controller in the wake-up circuit is also electrically connected to the power supply through two control switches. Through the system provided by the embodiment of the present application, the vehicle charger based on the two-level wake-up circuit can avoid false wake-up, and the two-level wake-up will not directly power the controller when the wake-up actuator is awakened, reducing the loss of the power supply.

[0089] On the basis of the above embodiment, the power supply 500 is electrically connected to the power supply end of the first-level wake-up actuator 10 and the power supply end of the second-level wake-up actuator 20 through a power supply wiring harness. The power supply 500 also uses a power supply wiring harness to electrically connect the power supply end of the controller 70 through the first control switch 50 and the second control switch 60 in sequence; the input device 400 is electrically connected to the input end of the first-level wake-up actuator 10 and the input end of the second-level wake-up actuator 20 through a signal wiring harness.

[0090] Specifically, the power harness includes a plurality of power wires, and the signal harness also includes a plurality of signal wires. Both the power harness and the signal harness are composed of an insulating sheath, a wiring terminal, a wire, and an insulating wrapping material. One terminal at one end of each power wire in the power harness is electrically connected to the power supply 500, and the other terminal at the other end of each power wire is electrically connected to the power supply end of the first-level wake-up actuator 10, the power supply end of the second-level wake-up actuator 20, and the power supply end of the controller 70. One terminal at one end of each signal wire in the signal harness is electrically connected to the input device 400, and the other terminal at the other end of each signal wire is electrically connected to the input end of the first-level wake-up actuator 10 and the input end of the second-level wake-up actuator 20.

[0091] In an optional embodiment, the first-level wake-up actuator 10, the second-level wake-up actuator 20, the first gate circuit 30, the second gate circuit 40, the first control switch 50, the second control switch 60, the first detection end and the second detection end of the controller 70, the first multiplexer 80 and the second multiplexer 90 are all electrically connected through a signal wiring harness.

[0092] On the basis of the above embodiment, the input device 400 includes at least one of a central control screen, a dip switch, a self-locking button, and a matching resistor.

[0093] Specifically, if the input device 400 is a central control screen, the first wake-up method and the second wake-up method are selected by operating on the central control screen, and a wake-up confirmation instruction is sent.

[0094] If the input device 400 is a dip switch, the input end of each first wake-up module 11 is connected to a switch output end of the dip switch, and the dip switch uses 0 / 1 binary coding to output the first wake-up mode to control the wake-up of a first wake-up module 11. The dip switch controls the second wake-up module 21 to be awakened in the same way, which will not be repeated here.

[0095] The working principle of the self-locking button is basically the same as that of the dip switch, so I will not go into details here.

[0096] Since different wake-up modules have different wake-up resistors, the wake-up mode can be determined by setting matching resistors to wake up the corresponding wake-up module.

[0097] It should be noted that the input device can be set according to the requirements, and the first-level wake-up actuator and the second-level wake-up actuator can use the same input device for wake-up, or they can use different input devices for wake-up, which is not limited here.

[0098] On the basis of the above embodiments, the embodiment of the present application further provides a wake-up method, which is applied to the wake-up circuit in any of the above embodiments. Figure 5 A flowchart of a wake-up method is provided for an embodiment of the present application, such as Figure 5 As shown, the method includes:

[0099] S10: The first level wake-up execution mechanism and the second level wake-up execution mechanism are powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device.

[0100] Specifically, both the first-level wake-up actuator and the second-level wake-up actuator support multiple wake-up modes. The first wake-up mode and the second wake-up mode of the first-level wake-up actuator and the second-level wake-up actuator are respectively selected through an external input device, so that the power supply ends of the first-level wake-up actuator and the second-level wake-up actuator are enabled, so that the power supply supplies power to the first-level wake-up actuator and the second-level wake-up actuator.

[0101] S20: The first gate circuit controls the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up execution mechanism set by the external input device.

[0102] Specifically, the first-level wake-up actuator is in a standby state after being awakened and powered on, and the external input device sends a wake-up confirmation instruction to the first-level wake-up actuator, so that the first gate circuit outputs a high-level signal to control the first control switch to be turned on.

[0103] S30: The second gate circuit controls the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up execution mechanism set by the external input device.

[0104] Specifically, the second-level wake-up actuator is in a standby state after being awakened and powered on, and the external input device sends a wake-up confirmation instruction to the second-level wake-up actuator, so that the second gate circuit outputs a high-level signal to control the second control switch to be turned on.

[0105] When the first control switch and the second control switch are both turned on, the power supply supplies power to the controller, so that the controller is awakened and in a standby state, waiting to receive a charging instruction.

[0106] In the wake-up method provided in the embodiment of the present application, the first-level wake-up actuator and the second-level wake-up actuator are powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device, and the first gate circuit controls the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator set by the external input device, and the second gate circuit controls the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator set by the external input device. Through the wake-up method provided in the embodiment of the present application, two-level wake-up can be achieved, avoiding false wake-up caused by single-level wake-up, and ensuring the reliability of the wake-up mechanism. Moreover, both two-level wake-up can realize multiple wake-up modes, which can be suitable for the needs of different automobile manufacturers.

[0107] Based on the above embodiments, the present application also provides a wake-up method. If the first-level wake-up execution mechanism includes: multiple first wake-up modules, the controller detects the wake-up status of the multiple first wake-up modules according to the first wake-up method, and records the information of the awakened first wake-up modules.

[0108] Specifically, since the awakening modes of the multiple first awakening modules are different, the first awakening mode can only awaken one of the multiple first awakening modules, and the controller determines that the awakening state of the first awakening module corresponding to the first awakening mode is awakened according to the first awakening mode, and the awakening states of other first awakening modules are not awakened, and records the information of the awakened first awakening module in the storage unit of the controller. The information of the awakened first awakening module can be the type or number of the awakened first awakening module.

[0109] In an optional implementation manner, if the input terminals of the plurality of first wake-up modules are also electrically connected to the plurality of first terminals of the first multiplexer, the method further includes:

[0110] The first-level wake-up execution mechanism powers on the first wake-up module according to the acquired information of the awakened first wake-up module.

[0111] Specifically, the information of the first wake-up module being awakened is stored in the controller. When the computer is turned on next time, the first-level wake-up execution mechanism can obtain the information of the first wake-up module being awakened from the controller through the first multiplexer, and directly wake up the corresponding first wake-up module according to the information, without the need to wake up the corresponding first wake-up module through the first wake-up method set by the input device.

[0112] In the wake-up method provided in the embodiment of the present application, if the first-level wake-up execution mechanism includes: multiple first wake-up modules, the controller detects the wake-up status of the multiple first wake-up modules according to the first wake-up method, and records the information of the first wake-up modules to be awakened. If the input ends of the multiple first wake-up modules are also electrically connected to the multiple first ends of the first multiplexer, respectively, the first-level wake-up execution mechanism powers on the first wake-up module according to the acquired information of the first wake-up module to be awakened. Through the method provided in the embodiment of the present application, the information of the first wake-up module to be awakened is recorded in the controller, and the memory latch of the wake-up method is realized, so that the corresponding first wake-up module can be awakened and powered on directly according to the information when the machine is turned on next time, without the need to select the wake-up method through the external input device again, thereby improving the wake-up speed.

[0113] Based on the above embodiments, the present application also provides a wake-up method. If the second-level wake-up execution mechanism includes: multiple second wake-up modules, the controller detects the wake-up status of the multiple second wake-up modules according to the second wake-up method, and records the information of the awakened second wake-up modules.

[0114] Specifically, since the awakening modes of the multiple second awakening modules are different, the second awakening mode can only awaken one of the multiple second awakening modules, and the controller determines that the awakening state of the second awakening module corresponding to the second awakening mode is awakened according to the second awakening mode, and the awakening states of other second awakening modules are not awakened, and the information of the awakened second awakening module is recorded in the storage unit of the controller. The information of the awakened second awakening module can be the type or number of the awakened second awakening module.

[0115] In an optional implementation, if the input terminals of the plurality of second wake-up modules are also electrically connected to the plurality of first terminals of the second multiplexer, respectively, the method further includes:

[0116] The second-level wake-up execution mechanism powers on the second wake-up module according to the acquired information of the awakened second wake-up module.

[0117] Specifically, the information of the awakened second wake-up module is stored in the controller. When the computer is turned on next time, the second-level wake-up execution mechanism can obtain the information of the awakened second wake-up module from the controller through the second multiplexer, and directly wake up the corresponding second wake-up module according to the information, without the need to wake up the corresponding second wake-up module through the second wake-up method set by the input device.

[0118] In the wake-up method provided in the embodiment of the present application, if the second-level wake-up execution mechanism includes: multiple second wake-up modules, the controller detects the wake-up status of the multiple second wake-up modules according to the second wake-up method, and records the information of the awakened second wake-up modules. If the input ends of the multiple second wake-up modules are also electrically connected to the multiple first ends of the second multiplexer, the second-level wake-up execution mechanism powers on the second wake-up modules according to the acquired information of the awakened second wake-up modules. Through the method provided in the embodiment of the present application, the information of the awakened second wake-up module is recorded in the controller, and the memory latch of the wake-up method is realized, so that the corresponding second wake-up module can be directly awakened and powered on according to the information when the machine is turned on next time, without the need to select the wake-up method through the external input device again, thereby improving the wake-up speed.

[0119] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A wake-up circuit, characterized in that: include: A first-level wake-up actuator, a second-level wake-up actuator, a first gate circuit, a second gate circuit, a first control switch, a second control switch and a controller; Wherein, the power supply end of the first-level wake-up actuator and the power supply end of the second-level wake-up actuator are both electrically connected to the power supply, and the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator are both electrically connected to the output end of the external input device, so as to be powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device; The power supply is electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence, and the output end of the first-level wake-up actuator is electrically connected to the control end of the first control switch through the first gate circuit, so as to control the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up actuator set by the external input device; The output end of the second-level wake-up actuator is electrically connected to the control end of the second control switch through the second gate circuit, so as to control the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up actuator set by the external input device; The output end of the first-level wake-up actuator is also electrically connected to the first detection end of the controller, so that the controller detects the first wake-up mode of the first-level wake-up actuator; The output end of the second-level wake-up actuator is also electrically connected to the second detection end of the controller, so that the controller detects the second wake-up mode of the second-level wake-up actuator.

2. The wake-up circuit according to claim 1, characterized in that: The first-level wake-up execution mechanism includes: a plurality of first wake-up modules, the plurality of first wake-up modules include: at least two wake-up modules of a connection confirmation wake-up module, a clock pulse wake-up module, a hard-line wake-up module, a message wake-up module, a wireless network wake-up module, and a Bluetooth wake-up module; the wake-up circuit also includes: a first multiplexer; The output ends of the multiple first wake-up modules are electrically connected to the multiple first ends of the first multiplexer respectively, and the second end of the first multiplexer is electrically connected to the first detection end of the controller, so that the controller detects the wake-up status of the multiple first wake-up modules according to the first wake-up method, and records the information of the awakened first wake-up modules.

3. The wake-up circuit according to claim 2, characterized in that: The input ends of the multiple first awakening modules are also electrically connected to the multiple first ends of the first multiplexer respectively, so as to power on the first awakening modules according to the information of the awakened first awakening modules obtained from the controller.

4. The wake-up circuit according to claim 1, characterized in that: The second-level wake-up execution mechanism includes: a plurality of second wake-up modules, the plurality of second wake-up modules include: at least two wake-up modules of a connection confirmation wake-up module, a clock pulse wake-up module, a hard-line wake-up module, a message wake-up module, a wireless network wake-up module, and a Bluetooth wake-up module; the wake-up circuit also includes: a second multiplexer; The output ends of the multiple second wake-up modules are electrically connected to the multiple first ends of the second multiplexer, and the second end of the second multiplexer is electrically connected to the second detection end of the controller, so that the controller detects the wake-up status of the multiple second wake-up modules according to the second wake-up method and records the information of the awakened second wake-up modules.

5. The wake-up circuit according to claim 4, characterized in that: The input ends of the plurality of second awakening modules are also electrically connected to the plurality of first ends of the second multiplexer respectively, so as to power on the second awakening modules according to the information of the awakened second awakening modules obtained from the controller.

6. A vehicle-mounted charger, characterized in that: include: The wake-up circuit and the charge-discharge module described in any one of claims 1-5 above, wherein the output end of the controller in the wake-up circuit is electrically connected to the control end of the charge-discharge module.

7. A vehicle charging system, characterized in that: include: The vehicle charger, input device, and power supply as described in claim 6 above, wherein the input device comprises at least one of a central control screen, a dip switch, a self-locking button, and a matching resistor; Among them, the input end of the first-level wake-up actuator and the input end of the second-level wake-up actuator of the wake-up circuit in the vehicle charger are both electrically connected to the input device, the power supply ends of the first-level wake-up actuator and the second-level wake-up actuator are electrically connected to the power supply, and the power supply end of the controller in the wake-up circuit is also electrically connected to the power supply through two control switches.

8. The vehicle-mounted charging system according to claim 7, characterized in that: The power supply is electrically connected to the power supply end of the first-level wake-up actuator and the power supply end of the second-level wake-up actuator through a power supply harness, and the power supply is also electrically connected to the power supply end of the controller through the first control switch and the second control switch in sequence using the power supply harness; The input device is electrically connected to an input end of the first-level wake-up actuator and an input end of the second-level wake-up actuator through a signal harness.

9. A wake-up method, characterized in that: Applied to the wake-up circuit described in any one of claims 1 to 5 above, the method comprises: The first-level wake-up execution mechanism and the second-level wake-up execution mechanism are powered on respectively according to the first wake-up mode and the second wake-up mode set by the external input device; The first gate circuit controls the first control switch to be turned on according to the wake-up confirmation instruction of the first-level wake-up execution mechanism set by the external input device; The second gate circuit controls the second control switch to be turned on according to the wake-up confirmation instruction of the second-level wake-up execution mechanism set by the external input device.

10. The wake-up method according to claim 9, characterized in that: If the first-level wake-up execution mechanism includes: a plurality of first wake-up modules, and the second-level wake-up execution mechanism includes: a plurality of second wake-up modules, the method further includes: The controller detects the awakening status of the plurality of first awakening modules according to the first awakening mode, and records the information of the awakened first awakening modules; The controller detects the awakening states of the plurality of second awakening modules according to the second awakening mode, and records information of the awakened second awakening modules.

11. The wake-up method according to claim 10, characterized in that: If the input ends of the plurality of first wake-up modules are also electrically connected to the plurality of first ends of the first multiplexer, and the input ends of the plurality of second wake-up modules are also electrically connected to the plurality of first ends of the second multiplexer, the method further includes: The first-level wake-up execution mechanism powers on the first wake-up module according to the acquired information of the first wake-up module; The second-level wake-up execution mechanism powers on the second wake-up module according to the acquired information of the awakened second wake-up module.

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