CN112550046A - Charging control method with power failure self-recovery function and power supply control device - Google Patents
Charging control method with power failure self-recovery function and power supply control device Download PDFInfo
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- CN112550046A CN112550046A CN202011378489.8A CN202011378489A CN112550046A CN 112550046 A CN112550046 A CN 112550046A CN 202011378489 A CN202011378489 A CN 202011378489A CN 112550046 A CN112550046 A CN 112550046A
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- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/68—Off-site monitoring or control, e.g. remote control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The technical problem to be solved by the patent is how to recover charging of a vehicle after a charging device is powered off, and therefore the embodiment of the invention provides a charging control method and a power supply control device with a power-off self-recovery function. The charging control method with the power failure self-recovery function is applied to a power supply control device of charging equipment and comprises the following steps: after the charging equipment is powered off, a standby power supply of the power supply control device supplies power to a connection signal detection module of the power supply control device, so that the connection signal detection module detects the connection state of a charging gun in the power-off process of the charging equipment; after the charging equipment recovers power supply, a control module of the power supply control device determines whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment before power failure and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action when it is determined that the vehicle recovery charging is performed.
Description
Technical Field
The invention relates to the technical field of electric vehicle charging, in particular to a charging control method with power failure self-recovery function and a power supply control device.
Background
Electric automobile obtains the rapid development in recent years, and the use scene that the user charges is diversified gradually, and the condition that the electric wire netting short time has a power failure can appear occasionally in daily charging process, but charging equipment can't the automatic recovery after coming the call once more charges, leads to the user to get the car when, and the vehicle is not full of the electricity, has brought a lot of inconveniences for electric automobile's user.
Disclosure of Invention
The technical problem to be solved by the patent is how to recover charging of a vehicle after a charging device is powered off, and therefore the embodiment of the invention provides a charging control method and a power supply control device with a power-off self-recovery function.
The technical scheme of the invention is as follows:
the embodiment of the invention provides a charging control method with a power failure self-recovery function, which is applied to a power supply control device of charging equipment and comprises the following steps:
after the charging equipment is powered off, a standby power supply of the power supply control device supplies power to a connection signal detection module of the power supply control device, so that the connection signal detection module detects the connection state of a charging gun in the power-off process of the charging equipment;
after the charging equipment recovers power supply, a control module of the power supply control device determines whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment before power failure and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action when it is determined that the vehicle recovery charging is performed.
Preferably, the specific step of determining whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging device, the working state of the charging device before power failure, and whether the charging device is currently in the fault state is as follows:
if the charging gun is always in a connection state in the power-off process of the charging equipment, the charging equipment is in a charging state before power-off, and the charging equipment is not in a fault state currently, determining that the charging of the vehicle is recovered;
if the charging gun has the action of first pulling out and then inserting in the power failure process of the charging equipment, the charging equipment is in a charging state before power failure, and the charging equipment is not in a fault state currently, outputting information for prompting a user to confirm whether charging of the vehicle is recovered or not to recover the charging of the vehicle to a user charging management APP, and determining whether charging of the vehicle is recovered or not to recover according to the information fed back by the user charging management APP.
Preferably, the specific steps of the control module of the power supply control device performing the vehicle recovery charging action are as follows:
switching the control switch S1 from the 12V connection state to the PWM connection state; and controls the closing of the contactors K1 and K2 that effect the conduction of the power supply circuit between the charging device and the vehicle.
Preferably, after the charging device is powered off, the method further comprises:
the control module of the power supply control device switches the control switch S1 from the PWM connection state to the 12V connection state; and controls the contactors K1 and K2, which achieve continuity of the power supply circuit between the charging device and the vehicle, to open.
An embodiment of the present invention further provides a power supply control device, including: the device comprises a control module, a storage module, a power module, a connection signal detection module and a standby power supply, wherein the storage module, the power module and the connection signal detection module are connected with the control module through a signal wire harness; wherein,
the standby power supply is used for supplying power to the connection signal detection module after the charging equipment is powered off, so that the connection signal detection module detects the connection state of the charging gun in the power-off process of the charging equipment;
the control module is used for: after the charging equipment is powered off, the control switch S1 is switched from the PWM connection state to the 12V connection state; and controlling the contactors K1 and K2 which realize the conduction of a power supply loop between the charging equipment and the vehicle to be disconnected; after the charging equipment recovers power supply, determining whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment stored in the storage module before power failure and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action by controlling the power module when it is determined that the vehicle recovery charging is performed.
Preferably, the power supply control device further includes:
the communication module is connected with the control module and is used for:
when the control module determines that the charging gun is firstly pulled out and then is inserted into the charging gun, the charging equipment is in a charging state before power failure, and the charging equipment is not in a fault state currently, the control module outputs information for prompting a user to confirm that charging of the vehicle is recovered or charging of the vehicle is not recovered to the user charging management APP, and returns the information fed back by the user charging management APP to the control module.
The invention has the beneficial effects that:
recording the working state of the charging equipment before power failure (namely, whether the charging equipment is in a charging state or a non-charging state before power failure) through a storage module of the power supply control device; after the power supply of the charging equipment is recovered, the control module of the power supply control device judges whether the vehicle needs to be recovered to be charged according to the working state of the charging equipment before the power failure, the current fault state of the charging equipment, the connection state of a charging gun of the charging equipment during the power failure and other signals stored in the storage module. If the charging equipment is in a charging state before power failure, the charging equipment is not in a fault state currently and the charging gun is in a connection state all the time during the power failure of the charging equipment, determining that the charging equipment is to restore the working state before charging, namely, the charging equipment is to continue to be in a vehicle charging state; under the above situation, if at the rifle that charges at the battery charging outfit outage in-process, detect the process of inserting again after the rifle that charges has been pulled out, after the battery charging outfit power supply resumes, battery charging outfit will confirm the information feedback that whether resumes charging for the vehicle to user charging management APP through communication module with the request user, come the decision whether to continue to charge for the vehicle by the user.
Drawings
FIG. 1 is a functional block diagram of the connection between the power supply control device and the power supply system and the vehicle of the present patent;
FIG. 2 is a flow chart of a control method of the present invention;
wherein: 1-a power grid; 2-a control module; 3-a storage module; 4-a power module; 5-connecting a signal detection module; 6-standby power supply; 7-a communication module; 8-a charging gun; 9-user charge management APP.
Detailed Description
The technical solutions in this patent are described below clearly and completely with reference to the drawings of this patent, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 scope of protection of this patent.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present patent, but the present patent may be practiced in other ways than those specifically described herein, and it will be recognized by those skilled in the art that the present patent is not limited by the specific embodiments disclosed below.
Referring to fig. 2, in order to implement the method, the present invention requires the power grid 1 in fig. 1, a power supply control device of a charging device (specifically, an ac charging pile in this embodiment), a charging gun 8, a user charging management APP9, and a vehicle. Wherein, this power supply control device includes: the device comprises a control module 2, a storage module 3, a power module 4, a connection signal detection module 5, a standby power supply 6 and a communication module 7 (the communication module 7 can be a 4G communication module, a 3G communication module or a 5G communication module). The control module 2, the storage module 3, the power module 4, the connection signal detection module 5 and the communication module 7 supply power through the power grid 1; when the power grid 1 stops supplying power to the charging device (i.e. the charging device is powered off), the modules stop working, and at this time, the standby power supply 6 temporarily supplies power to the connection signal detection module 5, so that the connection signal detection module 5 can continuously detect the connection state of the charging gun 8 in the process that the charging device is powered off.
Meanwhile, when the power grid 1 normally supplies power to the charging device, the connection between the charging device, the power supply control device and the vehicle is established in the manner recorded in the national standard GB _ T18487.1-2015, and the vehicle is normally charged (specifically, the control switch S1 inside the charging device is switched from the 12V connection state to the PWM connection state; at the same time, the contactors K1 and K2 that achieve conduction of the power supply circuit of the charging device and the vehicle are controlled to be closed). In this process, the connection signal detection module 5 in the power supply control device detects the connection confirmation function by the user. Meanwhile, the control module 2 controls the power module 4 to output according to the mode recorded in the national standard.
After the power grid 1 stops supplying power to the charging equipment, the control module 2 stops working, and the high level signals output to the contactors K1 and K2 by the control module 2 are changed into low level signals, so that the contactors K1 and K2 are changed from a closed state to an open state, and the contactors K1 and K2 are indirectly controlled to be opened. Meanwhile, since the control module 2 does not output the PWM signal any more, the control switch S1 is passively switched to the 12V connection state.
During the power failure of the charging device, the standby power supply 6 continuously supplies power to the connection signal detection module 5, and the connection signal detection module 5 can continuously detect the connection state (plugging state) of the charging gun 8 during the power failure (the specific detection mode is consistent with the specific detection mode for realizing the connection confirmation function recorded in the national standard GB _ T18487.1-2015). After that, when the power grid 1 resumes supplying power to the charging device, the standby power supply 6 no longer supplies power to the connection signal detection module 5.
After the power grid 1 recovers power supply for the charging device, the control module 2, the storage module 3, the power module 4, the connection signal detection module 5 and the communication module 7 continue to supply power, so that the operation can be recovered. At the moment, the control module 2 determines whether to recover charging for the vehicle according to the connection state of the charging gun in the power-off process of the charging equipment, the working state of the charging equipment before power-off and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action when it is determined that the vehicle recovery charging is performed.
Specifically, in this embodiment, the method records, through the storage module 3 of the power supply control device, the operating state of the charging device before power failure (i.e., whether the charging device is in a charging state or an uncharged state before power failure); after the power supply of the charging equipment is recovered by the power grid 1, the control module 2 of the power supply control device judges whether the vehicle needs to be recovered to be charged according to the working state of the charging equipment before power failure, the current fault state of the charging equipment, the connection state of the charging gun 8 during the power failure and other signals stored in the storage module 3. If the charging device is in a charging state before power failure, the charging device has no current fault, and the charging gun 8 is always in a connection state during the power failure of the charging device, it is determined that the charging device will recover its operating state before charging, i.e., the state of continuing to charge the vehicle. In the above situation, for example, the charging gun 8 is plugged after being pulled out during the power-off process of the charging equipment; after the power supply of the charging equipment is recovered, the power supply control device feeds back information requesting the user to confirm whether the vehicle is recovered to the user charging management APP9 through the communication module 7, so that the user can decide whether to continue charging the vehicle.
As shown in fig. 2, when the charging device is supplying power normally, the charging device is in the process of charging the vehicle normally, and at this time, the storage module 3 of the power supply control device records that the current working state of the charging device is "charging"; if the charging equipment cuts off the power supply suddenly at this moment, the control module 2 and the power module 4 of the power supply control device stop working, the standby power supply 6 starts and provides electric energy for the connection signal detection module 5, and the connection signal detection module 5 continuously detects the connection state of the charging gun 8 in the power-off process of the charging equipment. After that, when the power grid 1 recovers to supply power to the charging device, the control module 2 starts to perform power-on detection, determines whether the charging device has a current fault, and acquires whether the charging gun 8 is pulled out in the power-off process of the charging device from the connection signal detection module 5, if it is detected that the charging device has no fault currently, the charging gun 8 is not pulled out in the power-off process, and reads that the charging state of the charging device stored in the storage module 3 before power-off is "charging", and the control module 2 outputs the control power module 4 to recover charging. If the control module 2 checks and finds that the charging equipment is not in fault at present, the charging gun 8 is pulled out and is in the gun inserting state at present in the power failure process, the charging state of the charging equipment recorded in the storage module 3 before the power failure is read to be 'charging', the communication module 7 pushes and prompts a user to carry out information of whether to recover charging for the vehicle or not to the user charging management APP9, and the user judges whether to recover charging for the vehicle or not.
According to the method, the function of automatically recovering charging of the vehicle can be realized after the charging equipment is powered off, and the use experience of a user is improved.
An embodiment of the present invention further provides a power supply control device, including: the device comprises a control module 2, a storage module 3 connected with the control module through a signal wire harness, a power module 4, a connection signal detection module 5 and a standby power supply 6 electrically connected with the connection signal detection module 5; wherein,
the standby power supply 6 is used for supplying power to the connection signal detection module 5 after the charging equipment is powered off, so that the connection signal detection module 5 detects the connection state of the charging gun in the power-off process of the charging equipment;
the control module 2 is used for: after the charging equipment is powered off, the control switch S1 is switched from the PWM connection state to the 12V connection state; and controlling the contactors K1 and K2 which realize the conduction of a power supply loop between the charging equipment and the vehicle to be disconnected; after the charging equipment recovers power supply, determining whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment stored in the storage module 3 before power failure and whether the charging equipment is in a fault state currently; and performs a vehicle recovery charging action by controlling the power module 4 when it is determined that the vehicle recovery charging is performed.
Preferably, the power supply control device further includes:
a communication module 7 connected to the control module 2, the communication module 7 being configured to:
when the control module 2 determines that the charging gun is firstly pulled out and then inserted into the charging device in the power failure process, the charging device is in the charging state before the power failure, and the charging device is not in the fault state currently, the information prompting the user to confirm that the charging of the vehicle is recovered or the charging of the vehicle is not recovered is output to the user charging management APP9, and the information fed back by the user charging management APP9 is returned to the control module 2.
Claims (6)
1. A charging control method with a power failure self-recovery function is applied to a power supply control device of charging equipment, and is characterized by comprising the following steps:
after the charging equipment is powered off, a standby power supply of the power supply control device supplies power to a connection signal detection module of the power supply control device, so that the connection signal detection module detects the connection state of a charging gun in the power-off process of the charging equipment;
after the charging equipment recovers power supply, a control module of the power supply control device determines whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment before power failure and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action when it is determined that the vehicle recovery charging is performed.
2. The charging control method according to claim 1, wherein the specific steps of determining whether to resume charging the vehicle according to the connection state of the charging gun during the power failure of the charging device, the working state of the charging device before the power failure, and whether the charging device is currently in the fault state are as follows:
if the charging gun is always in a connection state in the power-off process of the charging equipment, the charging equipment is in a charging state before power-off, and the charging equipment is not in a fault state currently, determining that the charging of the vehicle is recovered;
if the charging gun has the action of first pulling out and then inserting in the power failure process of the charging equipment, the charging equipment is in a charging state before power failure, and the charging equipment is not in a fault state currently, outputting information for prompting a user to confirm whether charging of the vehicle is recovered or not to recover the charging of the vehicle to a user charging management APP, and determining whether charging of the vehicle is recovered or not to recover according to the information fed back by the user charging management APP.
3. The charge control method according to claim 1, wherein the step of the control module of the power supply control device performing the vehicle recovery charging operation comprises:
switching the control switch S1 from the 12V connection state to the PWM connection state; and controls the closing of the contactors K1 and K2 that effect the conduction of the power supply circuit between the charging device and the vehicle.
4. The charge control method according to claim 1, wherein after the charging device is powered off, the method further comprises:
the control module of the power supply control device switches the control switch S1 from the PWM connection state to the 12V connection state; and controls the contactors K1 and K2, which achieve continuity of the power supply circuit between the charging device and the vehicle, to open.
5. A power supply control device characterized by comprising: the device comprises a control module, a storage module, a power module, a connection signal detection module and a standby power supply, wherein the storage module, the power module and the connection signal detection module are connected with the control module through a signal wire harness; wherein,
the standby power supply is used for supplying power to the connection signal detection module after the charging equipment is powered off, so that the connection signal detection module detects the connection state of the charging gun in the power-off process of the charging equipment;
the control module is used for: after the charging equipment is powered off, the control switch S1 is switched from the PWM connection state to the 12V connection state; and controlling the contactors K1 and K2 which realize the conduction of a power supply loop between the charging equipment and the vehicle to be disconnected; after the charging equipment recovers power supply, determining whether to recover charging for the vehicle according to the connection state of the charging gun in the power failure process of the charging equipment, the working state of the charging equipment stored in the storage module before power failure and whether the charging equipment is in a fault state currently; and performing a vehicle recovery charging action by controlling the power module when it is determined that the vehicle recovery charging is performed.
6. The power supply control device according to claim 5, characterized by further comprising:
the communication module is connected with the control module and is used for:
when the control module determines that the charging gun is firstly pulled out and then is inserted into the charging gun, the charging equipment is in a charging state before power failure, and the charging equipment is not in a fault state currently, the control module outputs information for prompting a user to confirm that charging of the vehicle is recovered or charging of the vehicle is not recovered to the user charging management APP, and returns the information fed back by the user charging management APP to the control module.
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| CN202011378489.8A CN112550046A (en) | 2020-11-30 | 2020-11-30 | Charging control method with power failure self-recovery function and power supply control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442771A (en) * | 2021-06-23 | 2021-09-28 | 深圳利民通科技发展有限公司 | Intelligent current distribution charging control system |
| CN113765183A (en) * | 2021-09-01 | 2021-12-07 | 长春捷翼汽车零部件有限公司 | Charging device with automatic power failure memory function, working method, equipment, medium and vehicle |
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