CN113291166A

CN113291166A - Wake-up circuit, vehicle-mounted charger, vehicle-mounted charging system and wake-up method

Info

Publication number: CN113291166A
Application number: CN202110708304.3A
Authority: CN
Inventors: 宁丁; 张波; 张丽娟; 宋继捷; 郭媛媛
Original assignee: Xian Linchr New Energy Technology Co Ltd
Current assignee: Xian Linchr New Energy Technology Co Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-08-24

Abstract

The application provides a wake-up circuit, a vehicle-mounted charger, a vehicle-mounted charging system and a wake-up method, and relates to the technical field of electric automobiles. The wake-up circuit includes: the two-stage wake-up executing mechanism comprises a two-stage wake-up executing mechanism, two gate circuits, two control switches and a controller; the power supply end of the two-stage awakening execution mechanism is connected with a power supply, the input end of the two-stage awakening execution mechanism is connected with the output end of the input device, and the two-stage awakening execution mechanism is powered on according to a first awakening mode and a second awakening mode set by the input device; the power supply is connected with 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-stage awakening executing mechanism is connected with the control end of the first control switch through the first gate circuit, and the first control switch is controlled to be conducted according to the awakening confirmation instruction; the output end of the second-stage awakening execution mechanism is connected with the control end of the second control switch through a second gate circuit, and the second control switch is controlled to be switched on according to the awakening confirmation instruction. By the method and the device, various awakening modes can be provided, and the awakening reliability is ensured.

Description

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

Technical Field

The invention relates to the technical field of electric automobiles, in particular to a wake-up circuit, a vehicle-mounted charger, a vehicle-mounted charging system and a wake-up method.

Background

With the promotion of environmental protection demand, pure electric vehicles become the main direction of the development of modern vehicles, and have very important significance for the development and research of the charging technology of the pure electric vehicles.

The existing awakening mode is mainly used for awakening and charging the vehicle-mounted charger through a hard wire signal, and other awakening modes are not available. The hard-line signal is adopted for awakening, on one hand, the awakening mode is too limited and cannot meet various awakening modes, and on the other hand, the problem of mistaken awakening can exist in a single awakening mode.

Based on the above problems, how to implement multiple wake-up modes to avoid the increase of power consumption caused by false wake-up due to a single wake-up model is crucial.

Disclosure of Invention

The present invention is directed to provide a wake-up circuit, a vehicle-mounted battery charger, a vehicle-mounted charging system, and a wake-up method, so as to provide multiple wake-up modes and ensure the reliability of wake-up.

In order to achieve the above purpose, the technical solutions adopted in the embodiments of the present application are as follows:

in a first aspect, an embodiment of the present application provides a wake-up circuit, including: the first-stage awakening executing mechanism, the second-stage awakening executing mechanism, the first gate circuit, the second gate circuit, the first control switch, the second control switch and the controller;

the input end of the first-stage awakening execution mechanism and the input end of the second-stage awakening execution mechanism are electrically connected with the output end of an external input device, and the first-stage awakening execution mechanism and the second-stage awakening execution mechanism are respectively powered on according to a first awakening mode and a second awakening mode set by the external input device;

the power supply is electrically connected with the power supply end of the controller sequentially through the first control switch and the second control switch, the output end of the first-stage awakening execution mechanism is electrically connected with the control end of the first control switch through the first gate circuit, and the first control switch is controlled to be switched on according to an awakening confirmation instruction of the first-stage awakening execution mechanism, which is set by the external input equipment;

the output end of the second-stage awakening execution mechanism is electrically connected with the control end of the second control switch through the second gate circuit so as to control the conduction of the second control switch according to an awakening confirmation instruction of the second-stage awakening execution mechanism, which is set by the external input equipment.

In an optional embodiment, the output end of the first-stage wake-up actuator is further electrically connected to a first detection end of the controller, so that the controller detects a first wake-up mode of the first-stage wake-up actuator.

In an alternative embodiment, the first stage wake-up actuator comprises: a plurality of first wake-up modules, the wake-up circuit further comprising: a first multiplexer;

the output ends of the first awakening modules are respectively and electrically connected with the first ends of the first multiplexers, and the second ends of the first multiplexers are electrically connected with the first detection ends of the controller, so that the controller detects the awakening states of the first awakening modules according to the first awakening mode and records the information of the awakened first awakening modules.

In an optional implementation manner, the input ends of the plurality of first wake-up modules are further electrically connected to the plurality of first ends of the first multiplexer, respectively, so as to power on the first wake-up module according to the information of the woken-up first wake-up module, which is acquired from the controller.

In an optional embodiment, the plurality of first wake-up modules comprises: at least two of the connection confirmation awakening module, the clock pulse awakening module, the hard line awakening module, the message awakening module, the wireless network awakening module, the Bluetooth awakening module and the communication awakening module.

In an optional embodiment, the output end of the second-stage wake-up actuator is further electrically connected to a second detection end of the controller, so that the controller detects a second wake-up mode of the second-stage wake-up actuator.

In an alternative embodiment, the second stage wake-up actuator comprises: a plurality of second wake-up modules, the wake-up circuit further comprising: a second multiplexer;

the output ends of the second awakening modules are respectively and electrically connected with the first ends of the second multiplexer, and the second ends of the second multiplexer are electrically connected with the second detection end of the controller, so that the controller detects the awakening states of the second awakening modules according to the second awakening mode and records the information of the awakened second awakening modules.

In an optional implementation manner, the input ends of the plurality of second wake-up modules are further electrically connected to the plurality of first ends of the second multiplexer, respectively, so as to power on the second wake-up module according to the information of the woken-up second wake-up module, which is acquired from the controller.

In an optional embodiment, the plurality of second wake-up modules comprises: at least two of the connection confirmation awakening module, the clock pulse awakening module, the hard line awakening module, the message awakening module, the wireless network awakening module, the Bluetooth awakening module and the communication awakening module.

In a second aspect, an embodiment of the present application further provides a vehicle-mounted charger, including: in the wake-up circuit and the charge and discharge module of any of the above embodiments, an output terminal of the controller in the wake-up circuit is electrically connected to a control terminal of the charge and discharge module.

In a third aspect, an embodiment of the present application further provides an on-vehicle charging system, including: the vehicle-mounted charger, the input device and the power supply of the embodiment are adopted; the input end of a first-stage awakening executing mechanism and the input end of a second-stage awakening executing mechanism of the awakening circuit in the vehicle-mounted charger are both electrically connected with the input device, the power supply ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are electrically connected with the power supply source, and the power supply end of the controller in the awakening circuit is also electrically connected with the power supply source through two control switches.

In an optional embodiment, the power supply is electrically connected to the power end of the first-stage wake-up actuator and the power end of the second-stage wake-up actuator through power supply wiring harnesses, and the power supply is further electrically connected to the power end of the controller through the first control switch and the second control switch in sequence by using the power supply wiring harnesses;

the input device is electrically connected with the input end of the first-stage awakening execution mechanism and the input end of the second-stage awakening execution mechanism through a signal wire harness.

In an alternative embodiment, the input device comprises: and the center control screen, the dial switch, the self-locking key and the matching resistor.

In a fourth aspect, an embodiment of the present application further provides a wake-up method applied to the wake-up circuit in any of the foregoing embodiments, where the method includes:

the first-stage awakening execution mechanism and the second-stage awakening execution mechanism are respectively powered on according to a first awakening mode and a second awakening mode set by the external input equipment;

the first gate circuit controls the first control switch to be conducted according to a wakeup confirmation instruction of the first-stage wakeup execution mechanism set by the external input equipment;

and the second gate circuit controls the second control switch to be switched on according to a wake-up confirmation instruction of the second-stage wake-up execution mechanism set by the external input equipment.

In an alternative embodiment, if the first-stage wake-up actuator comprises: a plurality of first wake-up modules, the method further comprising:

and the controller detects the awakening states of the plurality of first awakening modules according to the first awakening mode and records the information of the awakened first awakening modules.

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

and the first-stage awakening execution mechanism powers on the first awakening module according to the acquired information of the awakened first awakening module.

In an optional embodiment, if the second-stage wake-up actuator comprises: a plurality of second wake-up modules, the method further comprising:

and the controller detects the awakening states of the plurality of second awakening modules according to the second awakening mode and records the information of the awakened second awakening modules.

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

and the second-stage awakening execution mechanism powers on the second awakening module according to the acquired information of the awakened second awakening module.

The beneficial effect of this application is:

the application provides a wake-up circuit, on-vehicle machine that charges, on-vehicle charging system and wake-up method, wherein, wake-up circuit includes: the first-stage awakening executing mechanism, the second-stage awakening executing mechanism, the first gate circuit, the second gate circuit, the first control switch, the second control switch and the controller; the input end of the first-stage awakening execution mechanism and the input end of the second-stage awakening execution mechanism are electrically connected with the output end of the external input device, so that the first awakening mode and the second awakening mode set by the external input device are respectively powered on; the power supply is electrically connected with 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-stage awakening execution mechanism is electrically connected with the control end of the first control switch through the first gate circuit, and the first control switch is controlled to be conducted according to an awakening confirmation instruction of the first-stage awakening execution mechanism set by external input equipment; the output end of the second-stage awakening execution mechanism is electrically connected with the control end of the second control switch through a second gate circuit so as to control the conduction of the second control switch according to an awakening confirmation instruction of the second-stage awakening execution mechanism set by external input equipment. According to the scheme provided by the application, the execution mechanism is awakened through the first level and the second level, so that two-level awakening is realized, the increase of power consumption caused by mistaken awakening of the single-level awakening execution machine is avoided, and the reliability of an awakening mechanism is ensured. And the two-stage awakening executing mechanism can realize awakening in various awakening modes, and can meet the requirements of different automobile manufacturers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic circuit diagram of a first wake-up circuit according to an embodiment of the present disclosure;

fig. 2 is a schematic circuit diagram of a second wake-up circuit according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a vehicle-mounted charger according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an on-vehicle charging system according to an embodiment of the present disclosure;

fig. 5 is a flowchart illustrating a wake-up method according to an embodiment of the present disclosure.

Detailed Description

In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that if the terms "upper", "lower", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the application is used, the description is only for convenience of describing the application and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus, cannot be understood as the limitation of the application.

Furthermore, the terms "first," "second," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.

Fig. 1 is a schematic circuit diagram of a first wake-up circuit according to an embodiment of the present disclosure, and as shown in fig. 1, the wake-up circuit includes: the first-stage wake-up actuator 10, the second-stage wake-up actuator 20, the first gate circuit 30, the second gate circuit 40, the first control switch 50, the second control switch 60, and the controller 70.

The power supply ends of the first-stage awakening executing mechanism 10 and the second-stage awakening executing mechanism 20 are electrically connected with a power supply, and the input ends of the first-stage awakening executing mechanism 10 and the second-stage awakening executing mechanism 20 are electrically connected with the output end of the external input device, so that the first awakening mode and the second awakening mode set according to the external input device are respectively powered on.

The power supply is electrically connected to the power supply end of the controller 70 sequentially through the first control switch 50 and the second control switch 60, the output end of the first-stage wake-up actuator 10 is electrically connected to the control end of the first control switch 50 through the first gate circuit 30, so as to control the first control switch 50 to be turned on according to a wake-up confirmation instruction of the first-stage wake-up actuator 10 set by the external input device.

The output end of the second-stage wake-up actuator 20 is electrically connected to the control end of the second control switch 60 through the second gate circuit 40, so as to control the second control switch 60 to be turned on according to a wake-up confirmation instruction of the second-stage wake-up actuator 20 set by an external input device.

Specifically, the first-stage wake-up actuator 10 and the second-stage wake-up actuator 20 both support multiple wake-up modes, and before the first-stage wake-up actuator 10 and the second-stage wake-up actuator 20 are not wakened up, the first-stage wake-up actuator 10 and the second-stage wake-up actuator 20 are both in a sleep state.

Respectively selecting a first awakening mode and a second awakening mode of the first-stage awakening executing mechanism 10 and the second-stage awakening executing mechanism 20 through external input equipment, enabling a power supply end of the first-stage awakening executing mechanism 10 according to the selected first awakening mode, and powering on the first-stage awakening executing mechanism 10 through a power supply; and enabling the power supply end of the second-stage awakening executing mechanism 20 according to the selected second awakening mode so as to power on the second-stage awakening executing mechanism 20 through the power supply. The first-stage wake-up executing mechanism 10 and the second-stage wake-up executing mechanism 20 are in a standby state after being awakened and powered on, and wait for receiving an instruction.

After the first-stage wake-up executing mechanism 10 and the second-stage wake-up executing mechanism 20 are woken up to be in a standby state, a wake-up confirmation instruction is respectively sent to the first-stage wake-up executing mechanism 10 and the second-stage wake-up executing mechanism 20 through an external input device. After receiving the wake-up confirmation instruction, the first-stage wake-up executing mechanism 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 command, the second-stage 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 source end of the controller 70 is turned on, and the controller 70 is powered on and in a standby state.

In an alternative embodiment, the first gate circuit 30 and the second gate circuit are both OR gates.

In an alternative embodiment, the other output terminal of the external input device is further electrically connected to an input terminal of the battery management system to send a charging command or a charging reservation command to the battery management system, the output terminal of the battery management system is electrically connected to a control input terminal of the controller 70, and the control output terminal of the controller 70 is electrically connected to the auxiliary power supply to control the auxiliary power supply to charge according to the charging command or the charging reservation command. The charging instruction or the reservation charging instruction includes: a charge start time, a charge end time, a charge voltage, and the like.

The embodiment of the application provides a wake-up circuit, including: the first-stage awakening executing mechanism, the second-stage awakening executing mechanism, the first gate circuit, the second gate circuit, the first control switch, the second control switch and the controller; the power supply ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are electrically connected with a power supply, and the input ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are electrically connected with the output end of the external input device so as to be respectively powered on according to a first awakening mode and a second awakening mode set by the external input device; the power supply is electrically connected with 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-stage awakening execution mechanism is electrically connected with the control end of the first control switch through the first gate circuit, and the first control switch is controlled to be conducted according to an awakening confirmation instruction of the first-stage awakening execution mechanism set by external input equipment; the output end of the second-stage awakening execution mechanism is electrically connected with the control end of the second control switch through a second gate circuit so as to control the conduction of the second control switch according to an awakening confirmation instruction of the second-stage awakening execution mechanism set by external input equipment. The wake-up circuit provided by the embodiment of the application realizes two-stage wake-up through the first-stage wake-up executing mechanism and the second-stage wake-up executing mechanism, avoids power consumption increase caused by false wake-up of the single-stage wake-up executing machine, and ensures reliability of a wake-up mechanism. And the two-stage awakening executing mechanism can realize awakening in various awakening modes, and can meet the requirements of different automobile manufacturers.

On the basis of the above embodiments, an awakening circuit is further provided in the embodiments of the present application, as shown in fig. 1, the output end of the first-stage awakening execution mechanism 10 is further electrically connected to the first detection end of the controller 70, so that the controller 70 detects the first awakening mode of the first-stage awakening execution mechanism 10.

The output terminal of the second-stage wake-up actuator 20 is further electrically connected to a second detection terminal of the controller 70, so that the controller 70 detects a second wake-up mode of the second-stage wake-up actuator 20.

Specifically, after the first-stage wake-up actuator 10 is awakened based on the first wake-up mode, the first-stage wake-up actuator 10 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-stage wake-up actuator 10 further sends the wake-up signal to the controller 70, and the controller 79 detects the first wake-up mode of the first-stage wake-up actuator 10 according to the received wake-up signal. The wake-up signal is used to indicate a first wake-up mode for the first stage wake-up actuator 10. For example, assuming that the first-stage wake-up actuator 10 has two wake-up modes, where "0" indicates an unselected wake-up mode and "1" indicates a selected wake-up mode, if the wake-up signal is "10", it indicates that the first wake-up mode of the first-stage 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-stage wake-up actuator 10 is the second wake-up mode.

The manner of detecting the second wake-up mode of the second-stage wake-up actuator 20 by the controller 70 is the same as that of the first-stage wake-up actuator, and is not described herein again.

Fig. 2 is a schematic circuit diagram of a second wake-up circuit according to an embodiment of the present application, and as shown in fig. 2, the first-stage wake-up actuator 10 includes: a plurality of first wake-up modules 11 (fig. 2 takes 4 first wake-up modules as an example), the wake-up circuit further includes: a first multiplexer 80.

The output ends of the first wake-up modules 11 are electrically connected to the 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 states of the first wake-up modules 11 according to the first wake-up mode and records the information of the woken-up first wake-up modules.

Specifically, the plurality of first wake-up modules 11 are woken up by different first wake-up manners, the first wake-up manner input by the external input device can only wake up and power up for one first wake-up module 11, when the external input device inputs a wake-up confirmation command, 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 signals, or defaults to output a non-wake-up signal, the wake-up signal and the non-wake-up signal are sent to the first detection end of the controller 70 through the first multiplexer 80, the controller 70 determines that the wake-up state of the first wake-up module 11 corresponding to the wake-up signal is woken up according to the received wake-up signal, confirming that the wake-up state of the first wake-up module 11 corresponding to the non-wake-up signal is not woken up according to the received non-wake-up signal, and recording information of the woken-up first wake-up module 11 in a storage unit of the controller 70 by the controller 70. The information of the woken first wake-up module 11 may be the type or number of the woken first wake-up module 11. For example, the Memory unit may be a charged Erasable Programmable Read-Only Memory (EEPROM).

In an alternative embodiment, as shown in fig. 2, the input terminals of the first wake-up modules 11 are further electrically connected to the first terminals of the first multiplexer 80, respectively, so as to power on the first wake-up modules 11 according to the information of the first wake-up modules 11 that are woken up and obtained from the controller 70.

Specifically, after the first wake-up module 11 selecting the first wake-up mode from the plurality of first wake-up modules 11 is wakened up for the first time, when the first wake-up module is wakened up next time, the first multiplexer 80 may obtain information of the wakened-up first wake-up module 11 from the controller 70, according to the information of the wakened-up first wake-up module 11, the first end of the plurality of first ends of the first multiplexer 80 connected to the wakened-up first wake-up module 11 outputs a wake-up signal, and the other first ends connected to the non-wakened-up first wake-up module 11 output non-wake-up signals, so that the last wakened-up first wake-up module 11 is controlled to be directly wakened up according to the wake-up signal, without selecting the first wake-up mode through an external input device.

On the basis of the above embodiment, the plurality of first wake-up modules include: at least two of the connection confirmation awakening module, the clock pulse awakening module, the hard line awakening module, the message awakening module, the wireless network awakening module, the Bluetooth awakening module and the communication awakening module.

Specifically, the external input device sends a Connection Confirm (CC) signal, and then selects a CC signal wake-up mode to wake up the Connection Confirm wake-up module; the external input equipment sends a Clock Pulse (CP) signal, and then a CP signal awakening mode is selected to awaken the Clock Pulse awakening module; if the external input device sends a hard-wire signal, selecting a hard-wire signal awakening mode to awaken the hard-wire awakening module, for example, the hard-wire awakening module may be a hardware switch; the external input equipment sends a CAN message signal, and then a CAN message awakening mode is selected to awaken the message awakening module; when the external input equipment sends a Wireless signal, selecting a Wireless-Fidelity (WIFI) awakening mode to awaken a Wireless network awakening module; if the external input equipment sends a Bluetooth signal, selecting a Bluetooth awakening mode to awaken the Bluetooth awakening module; if the external input device sends a communication signal, the communication wake-up Module is awakened by selecting a communication wake-up mode, for example, the communication wake-up Module may be a (Subscriber Identity Module).

It should be noted that the type of the first wake-up module in the wake-up circuit may be set according to the requirements of the automobile manufacturer.

The embodiment of the application provides a wake-up circuit, first order wake-up actuating mechanism include a plurality of first modules of awakening up, and wake-up circuit still includes: a first multiplexer; the output ends of the first awakening modules are respectively and electrically connected with the first ends of the first multiplexers, and the second ends of the first multiplexers are electrically connected with the first detection ends of the controller, so that the controller can detect the awakening states of the first awakening modules according to the first awakening mode and record the information of the awakened first awakening modules. The input ends of the first awakening modules are also respectively and electrically connected with the first ends of the first multiplexers so as to electrify the first awakening modules according to the information of the awakened first awakening modules acquired from the controller. According to the scheme provided by the embodiment of the application, the IO port of the controller can be saved by adopting the multiplexer, the conciseness of the connection relation is guaranteed, the information of the awakened first awakening module is recorded in the controller, the memory latching of the awakening mode is realized, the corresponding first awakening module is directly awakened and electrified according to the information when the computer is started next time, the awakening mode does not need to be selected through external input equipment again, and the awakening speed is improved.

On the basis of the foregoing embodiments, an embodiment of the present application further provides a wake-up circuit, as shown in fig. 2, the second-stage wake-up actuator 20 includes: a plurality of second wake-up modules 21, the wake-up circuit further comprising: a second multiplexer 90.

The output ends of the plurality of second wake-up modules 21 are electrically connected to the plurality of 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 states of the plurality of second wake-up modules 21 according to the second wake-up mode and records the information of the woken-up second wake-up modules 21.

Specifically, the function of the second multiplexer 90 and the process of the controller 70 recording the information of the woken-up second wake-up module 21 are the same as those described in the first-stage wake-up executing mechanism 10, and are not described herein again.

In an optional embodiment, the input terminals of the second wake-up modules 21 are further electrically connected to the first terminals of the second multiplexer 90, respectively, so as to power up the second wake-up modules 21 according to the information of the woken-up second wake-up modules 21, which is obtained from the controller 70.

Specifically, the process of waking up and powering up the second wake-up module 21 according to the recorded information of the woken-up second wake-up module 21 is the same as the manner of the first wake-up module 11, and is not described herein again.

On the basis of the above embodiment, the plurality of second wake-up modules include: at least two of the connection confirmation awakening module, the clock pulse awakening module, the hard line awakening module, the message awakening module, the wireless network awakening module, the Bluetooth awakening module and the communication awakening module.

Specifically, the wake-up mode of the plurality of second wake-up modules is the same as the wake-up mode of the plurality of first wake-up modules, which is not described herein again.

The embodiment of the application provides a wake-up circuit, second level wake-up actuating mechanism include a plurality of second wake-up modules, and wake-up circuit still includes: a second multiplexer; the output ends of the second awakening modules are respectively and electrically connected with the first ends of the second multiplexers, and the second ends of the second multiplexers are electrically connected with the first detection ends of the controller, so that the controller detects the awakening states of the second awakening modules according to the second awakening mode and records the information of the awakened second awakening modules. The input ends of the second awakening modules are also respectively and electrically connected with the first ends of the second multiplexers so as to electrify the second awakening modules according to the information of the awakened second awakening modules acquired from the controller. According to the scheme provided by the embodiment of the application, the IO port of the controller can be saved by adopting the multiplexer, the conciseness of the connection relation is guaranteed, the information of the awakened second awakening module is recorded in the controller, the memory latching of the awakening mode is realized, the corresponding second awakening module is directly awakened and electrified according to the information when the computer is started next time, the awakening mode does not need to be selected through external input equipment again, and the awakening speed is improved.

On the basis of any one of the foregoing embodiments, an embodiment of the present application further provides a vehicle-mounted charger, fig. 3 is a schematic structural diagram of the vehicle-mounted charger provided in the embodiment of the present application, and as shown in fig. 3, the vehicle-mounted charger 300 includes: in the wake-up circuit 100 and the charge and discharge module 200 of any of the above embodiments, the output terminal of the controller 70 in the wake-up circuit 100 is electrically connected to the control terminal of the charge and discharge module 200.

Specifically, the charge-discharge module 200 has a charging function and a discharging function, and when the charge-discharge module 200 is connected to a charging pile or a charging gun and an external input device sends a charging instruction or a charging reservation instruction to the controller 70 through the battery management system, the controller 70 controls the charge-discharge module 200 to perform charging. When the vehicle is in a starting state or a driving state, the charge-discharge module 200 discharges electricity.

The vehicle-mounted charger provided by the embodiment of the application comprises the wake-up circuit and the charge-discharge module, wherein the output end of the controller in the wake-up circuit is electrically connected with the control end of the charge-discharge module. According to the vehicle-mounted charger provided by the embodiment of the application, the vehicle-mounted charger is prevented from being mistakenly awakened through the awakening circuit, so that the charging and discharging module is awakened when not working to cause power consumption loss of the vehicle-mounted charger.

On the basis of the foregoing embodiments, an embodiment of the present application further provides an on-vehicle charging system, and fig. 4 is a schematic structural diagram of the on-vehicle charging system provided in the embodiment of the present application, and as shown in fig. 4, the on-vehicle charging system includes: the vehicle-mounted charger 300, the input device 400 and the power supply 500 of the above embodiment.

In the vehicle-mounted charger 300, both an input end of the first-stage wake-up executing mechanism 10 and an input end of the second-stage wake-up executing mechanism 20 of the wake-up circuit 100 are electrically connected to the input device 400, power source ends of the first-stage wake-up executing mechanism 10 and the second-stage wake-up executing mechanism 20 are electrically connected to the power supply 500, and a power source 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.

Specifically, the first-stage wake-up actuator 10 and the second-stage wake-up actuator 20 perform power supply enabling according to the first wake-up mode and the second wake-up mode set by the input device 400, respectively, so that the power supply 500 supplies power to the first-stage wake-up actuator 10 and the second-stage wake-up actuator 20. The first-stage wake-up actuator 10 and the second-stage wake-up actuator 20 also respectively control the first control switch 50 and the second control switch 60 to be turned on according to the wake-up confirmation command sent by the input device 400, so that the power supply 500 supplies power to the controller 70, and the controller 70 is woken up. For example, the power supply may be a low voltage battery.

The vehicle-mounted charging system provided by the embodiment of the application comprises a vehicle-mounted charger, input equipment and a power supply; the input end of a first-stage awakening executing mechanism and the input end of a second-stage awakening executing mechanism of an awakening circuit in the vehicle-mounted charger are both electrically connected with the input device, the power supply ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are electrically connected with a power supply source, and the power supply end of a controller in the awakening circuit is also electrically connected with the power supply source through two control switches. Through the system provided by the embodiment of the application, the vehicle-mounted charger based on the two-stage awakening circuit can be prevented from being awakened by mistake, the two-stage awakening circuit cannot directly supply power to the controller when the awakening execution mechanism is awakened, and the loss of a power supply source is reduced.

On the basis of the above embodiment, the power supply 500 is electrically connected to the power end of the first-stage wake-up actuator 10 and the power end of the second-stage wake-up actuator 20 through power supply wire bundles, and the power supply 500 is further electrically connected to the power end of the controller 70 through the first control switch 50 and the second control switch 60 in sequence by using the power supply wire bundles; the input device 400 is electrically connected to the input of the first wake-up actuator 10 and the input of the second wake-up actuator 20 via a signal harness.

Specifically, the power supply harness includes many power supply wires, and the signal harness also includes many signal wires, and power supply harness and signal harness are by insulating sheath, binding post, wire and insulating binding material etc. and constitute, and the one end binding post electricity of every power supply wire in the power supply harness connects power supply 500, and the other end binding post of every power supply wire electricity respectively connects the power end that actuating mechanism 10 was awakened up to first level, the power end that actuating mechanism 20 was awakened up to the second level, the power end of controller 70. One terminal of each signal wire in the signal wire bundle is electrically connected to the input device 400, and the other terminal of each signal wire is electrically connected to the input terminal of the first-stage wake-up actuator 10 and the input terminal of the second-stage wake-up actuator 20.

In an alternative embodiment, the first-stage wake-up actuator 10, the second-stage wake-up actuator 20, the first gate 30, the second gate 40, the first control switch 50, the second control switch 60, the first detection terminal and the second detection terminal of the controller 70, and the first multiplexer 80 and the second multiplexer 90 are electrically connected through a signal wire harness.

On the basis of the above embodiment, the input device 400 includes: and the center control screen, the dial switch, the self-locking key and the matching resistor.

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

If the input device 400 is a dial switch, the input end of each first wake-up module 11 is connected to one switch output end of the dial switch, and the dial switch outputs a first wake-up mode by using 0/1 binary codes to control one first wake-up module 11 to be woken up. The manner in which the dial switch controls the second wake-up module 21 to be woken up is the same, and is not described herein.

The working principle of the self-locking key is basically the same as that of the dial switch, and the details are not described herein.

Because the awakening resistors of different awakening modules are different, the awakening mode can be determined by setting the matching resistor, and the corresponding awakening module is awakened.

It should be noted that the input device may be set as required, and the first-stage wake-up executing mechanism and the second-stage wake-up executing mechanism may be waken up by using the same input device, or may be waken up by using different input devices, which is not limited herein.

On the basis of the foregoing embodiments, an embodiment of the present application further provides a wake-up method applied to the wake-up circuit in any of the foregoing embodiments, and fig. 5 is a schematic flow diagram of the wake-up method provided in the embodiment of the present application, and as shown in fig. 5, the method includes:

s10: the first-stage awakening execution mechanism and the second-stage awakening execution mechanism are respectively powered on according to a first awakening mode and a second awakening mode set by the external input equipment.

Specifically, the first-stage awakening executing mechanism and the second-stage awakening executing mechanism both support multiple awakening modes, and the first awakening mode and the second awakening mode of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are selected through the external input device respectively, so that the power supply ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are enabled, and the power supply source supplies power to the first-stage awakening executing mechanism and the second-stage awakening executing mechanism.

S20: the first gate circuit controls the first control switch to be conducted according to a awakening confirmation instruction of the first-stage awakening execution mechanism set by the external input equipment.

Specifically, the first-stage wake-up executing mechanism 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-stage wake-up executing mechanism, so that the first gate circuit outputs a high-level signal to control the first control switch to be switched on.

S30: and the second gate circuit controls the second control switch to be conducted according to a wake-up confirmation instruction of a second-stage wake-up execution mechanism set by the external input equipment.

Specifically, the second-stage wake-up executing mechanism 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-stage wake-up executing mechanism, so that the second gate circuit outputs a high-level signal to control the second control switch to be switched on.

When the first control switch and the second control switch are both switched on, the power supply supplies power to the controller, so that the controller is awakened to be in a standby state and waits for receiving a charging instruction.

According to the awakening method provided by the embodiment of the application, the first-stage awakening execution mechanism and the second-stage awakening execution mechanism are respectively powered on according to a first awakening mode and a second awakening mode set by external input equipment, the first gate circuit controls the conduction of the first control switch according to an awakening confirmation instruction of the first-stage awakening execution mechanism set by the external input equipment, and the second gate circuit controls the conduction of the second control switch according to an awakening confirmation instruction of the second-stage awakening execution mechanism set by the external input equipment. By the awakening method provided by the embodiment of the application, two-stage awakening can be realized, false awakening caused by single-stage awakening is avoided, and reliability of an awakening mechanism is guaranteed. And the two-stage awakening can realize various awakening modes, and can meet the requirements of different automobile manufacturers.

On the basis of the foregoing embodiment, the present application further provides a wake-up method, where the first-stage wake-up executing mechanism includes: and the controller detects the awakening states of the first awakening modules according to the first awakening mode and records the information of the awakened first awakening modules.

Specifically, because the wake-up modes of the first wake-up modules are different, the first wake-up mode can only wake up one of the first wake-up modules, the controller determines that the wake-up state of the first wake-up module corresponding to the first wake-up mode is awake according to the first wake-up mode, the wake-up states of other first wake-up modules are not awake, and records the information of the woken-up first wake-up 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.

In an optional embodiment, if the input terminals of the first wake-up modules are further electrically connected to the first terminals of the first multiplexer, respectively, the method further includes:

Specifically, the information of the awakened first awakening module is stored in the controller, when the computer is started next time, the first-stage awakening execution mechanism can acquire the information of the awakened first awakening module from the controller through the first multiplexer, and directly awaken the corresponding first awakening module according to the information without awakening the corresponding first awakening module through the first awakening mode set by the input device.

In the wake-up method provided by the embodiment of the application, if the first-stage wake-up executing mechanism includes: and the controller detects the awakening states of the first awakening modules according to the first awakening mode and records the information of the awakened first awakening modules. If the input ends of the first awakening modules are respectively and electrically connected with the first ends of the first multiplexers, the first-stage awakening execution mechanism powers on the first awakening modules according to the acquired information of the awakened first awakening modules. According to the method provided by the embodiment of the application, the information of the awakened first awakening module is recorded in the controller, the memory latch of the awakening mode is realized, the corresponding first awakening module is directly awakened and powered on according to the information when the computer is started next time, the awakening mode does not need to be selected through the external input equipment again, and the awakening speed is improved.

On the basis of the foregoing embodiment, the present application further provides a wake-up method, where the second-level wake-up executing mechanism includes: and the controller detects the awakening states of the second awakening modules according to the second awakening mode and records the information of the awakened second awakening modules.

Specifically, because the plurality of second wake-up modules are different in wake-up mode, the second wake-up mode can only wake up one of the plurality of second wake-up modules, the controller determines that the wake-up state of the second wake-up module corresponding to the second wake-up mode is awake according to the second wake-up mode, the wake-up states of other second wake-up modules are not awake, and information of the woken-up second wake-up module is recorded in the storage unit of the controller. The information of the woken second wake-up module may be a type or a number of the woken second wake-up module.

Specifically, the information of the woken second wake-up module is stored in the controller, when the computer is started next time, the second-stage wake-up executing mechanism can obtain the information of the woken second wake-up module from the controller through the second multiplexer, and directly waken the corresponding second wake-up module according to the information without waking up the corresponding second wake-up module through a second wake-up mode set by the input device.

In the wake-up method provided by the embodiment of the application, if the second-stage wake-up executing mechanism includes: and the controller detects the awakening states of the second awakening modules according to the second awakening mode and records the information of the awakened second awakening modules. If the input ends of the second awakening modules are respectively and electrically connected with the first ends of the second multiplexer, the second-stage awakening executing mechanism powers on the second awakening modules according to the acquired information of the awakened second awakening modules. According to the method provided by the embodiment of the application, the information of the awakened second awakening module is recorded in the controller, so that the memory latch of the awakening mode is realized, the corresponding second awakening module is directly awakened and powered on according to the information when the computer is started next time, the awakening mode does not need to be selected through the external input equipment again, and the awakening speed is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and shall be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A wake-up circuit, comprising: the first-stage awakening executing mechanism, the second-stage awakening executing mechanism, the first gate circuit, the second gate circuit, the first control switch, the second control switch and the controller;

2. The wake-up circuit according to claim 1, wherein the output terminal of the first stage wake-up actuator is further electrically connected to a first detection terminal of the controller, so that the controller detects a first wake-up mode of the first stage wake-up actuator;

the first-stage wake-up executing mechanism comprises: a plurality of first wake-up modules, the plurality of first wake-up modules comprising: connecting at least two of a confirmation awakening module, a clock pulse awakening module, a hard line awakening module, a message awakening module, a wireless network awakening module, a Bluetooth awakening module and a communication awakening module; the wake-up circuit further comprises: a first multiplexer;

3. The wake-up circuit according to claim 2, wherein the input terminals of the first wake-up modules are further electrically connected to the first terminals of the first multiplexer, respectively, so as to power up the first wake-up module according to the information of the woken-up module, which is obtained from the controller.

4. The wake-up circuit according to claim 1, wherein the output terminal of the second-stage wake-up actuator is further electrically connected to a second detection terminal of the controller, so that the controller detects a second wake-up mode of the second-stage wake-up actuator;

the second-stage wake-up actuator comprises: a plurality of second wake-up modules, the plurality of second wake-up modules comprising: connecting at least two of a confirmation awakening module, a clock pulse awakening module, a hard line awakening module, a message awakening module, a wireless network awakening module, a Bluetooth awakening module and a communication awakening module; the wake-up circuit further comprises: a second multiplexer;

5. The wake-up circuit according to claim 4, wherein the input terminals of the second wake-up modules are further electrically connected to the first terminals of the second multiplexer, respectively, so as to power up the second wake-up modules according to the information of the woken-up second wake-up modules, which is obtained from the controller.

6. The utility model provides a vehicle-mounted charger which characterized in that includes: the wake-up circuit according to any one of claims 1 to 5, and a charge and discharge module, wherein an output terminal of the controller in the wake-up circuit is electrically connected to a control terminal of the charge and discharge module.

7. An in-vehicle charging system, characterized by comprising: the vehicle-mounted charger, input device, power supply of claim 6, said input device comprising: at least one equipment of a central control screen, a dial switch, a self-locking key and a matching resistor;

the input end of a first-stage awakening executing mechanism and the input end of a second-stage awakening executing mechanism of the awakening circuit in the vehicle-mounted charger are both electrically connected with the input device, the power supply ends of the first-stage awakening executing mechanism and the second-stage awakening executing mechanism are electrically connected with the power supply source, and the power supply end of the controller in the awakening circuit is also electrically connected with the power supply source through two control switches.

8. The vehicle-mounted charging system according to claim 7, wherein the power supply is electrically connected with a power end of the first-stage wake-up actuator and a power end of the second-stage wake-up actuator through a power supply harness, and the power supply is further electrically connected with a power end of the controller through the first control switch and the second control switch in sequence by using the power supply harness;

9. A wake-up method applied to the wake-up circuit of any one of claims 1 to 5, the method comprising:

10. The wake-up method according to claim 9, wherein if the first stage wake-up actuator comprises: a plurality of first wake-up modules, the second level wake-up actuator comprising: a plurality of second wake-up modules, the method further comprising:

the controller detects the awakening states of the plurality of first awakening modules according to the first awakening mode and records the information of the awakened first awakening modules;

11. The method according to claim 10, wherein if the input terminals of the first wake-up modules are electrically connected to the first terminals of the first multiplexer, respectively, and the input terminals of the second wake-up modules are electrically connected to the first terminals of the second multiplexer, respectively, the method further comprises:

the first-stage awakening execution mechanism powers on the first awakening module according to the acquired information of the awakened first awakening module;