CN113964905A - Wisdom charging system with automatic power-off protection function - Google Patents

Wisdom charging system with automatic power-off protection function Download PDF

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Publication number
CN113964905A
CN113964905A CN202111249460.4A CN202111249460A CN113964905A CN 113964905 A CN113964905 A CN 113964905A CN 202111249460 A CN202111249460 A CN 202111249460A CN 113964905 A CN113964905 A CN 113964905A
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China
Prior art keywords
module
intelligent charging
charging socket
intelligent
timing
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CN202111249460.4A
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Chinese (zh)
Inventor
杜勇前
陈四彩
王锦荣
方草
郑开顺
杜坚煌
王炳昭
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Fujian Time Intelligent Technology Co ltd
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Fujian Time Intelligent Technology Co ltd
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Priority to CN202111249460.4A priority Critical patent/CN113964905A/en
Publication of CN113964905A publication Critical patent/CN113964905A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00308—Overvoltage protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H02J7/0032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits disconnection of loads if battery is not under charge, e.g. in vehicle if engine is not running
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/46—Vehicles with auxiliary ad-on propulsions, e.g. add-on electric motor kits for bicycles
    • 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
    • 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
    • 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
    • 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
    • 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)

Abstract

The invention provides an intelligent charging system with an automatic power-off protection function, which comprises an intelligent charging socket, wherein the intelligent charging socket is connected with an intelligent controller, the intelligent controller is respectively connected with a background management terminal and a mobile control terminal through a cloud server, the intelligent controller comprises a switch module and a charging on-off module, a connection detection module is arranged in the intelligent charging socket and is used for detecting whether the intelligent charging socket is inserted into a charger, a first timing module, a second timing module and a third timing module, the first timing module and the second timing module are connected with the switch module and the connection detection module, and the third timing module is connected with the switch module and the charging on-off module. According to the intelligent charging system, under the conditions that the charger is unplugged or not plugged in time and the charging time is too long, automatic power-off protection is realized, and the problem of unsafe power utilization in the charging process of the electric bicycle is avoided.

Description

Wisdom charging system with automatic power-off protection function
Technical Field
The invention relates to the technical field of intelligent charging, in particular to an intelligent charging system with an automatic power-off protection function.
Background
With the development of social economy and the improvement of living standard of people, the electric bicycle gradually becomes the most mainstream tool for riding instead of walk with a plurality of advantages of economy, convenience and the like. Because the safety technical standard of the electric bicycle is not perfect, the electric bicycle is not suitable for users, and the like, the electric bicycle has the congenital hidden trouble for causing fire.
Disclosure of Invention
In order to solve the above-mentioned disadvantages of the prior art, the present invention provides an intelligent charging system with an automatic power-off protection function, so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides a smart charging system with an automatic power-off protection function, which comprises a smart charging socket, wherein the smart charging socket is electrically connected and in signal connection with a smart controller, and the smart controller is respectively connected with a background management terminal and a mobile control terminal through a cloud server so as to receive control signals of the background management terminal and the mobile control terminal; the intelligent controller comprises a switch module and a charging on-off module; the switch module is connected with the intelligent charging socket and used for receiving a control signal of the mobile control terminal and executing the on-off action of the intelligent charging socket; the charging on-off module is respectively connected with the power supply source and the switch module, and is used for receiving a control signal of the mobile control terminal and executing the on-off action of the power supply source so as to perform charging control on a charger on the intelligent charging socket; a connection detection module is arranged in the intelligent charging socket and is used for detecting whether the intelligent charging socket is inserted into a charger or not; the intelligent charging system comprises a switch module, a first timing module, a second timing module, a pulse signal sending module and a pulse signal receiving module, wherein the switch module is used for switching on the intelligent charging socket, the signal output end of the switch module and the signal output end of the connection detection module are connected with the input end of the first timing module, the output end of the first timing module is connected with the switch-off signal end of the switch module, the first timing module is used for starting timing when the intelligent charging socket is switched on, ending timing and resetting when a charger is inserted into the intelligent charging socket, and sending the pulse signal to the switch-off signal end of the switch module when the timing time reaches a preset threshold value so as to switch off the intelligent charging socket; the signal output end of the connection detection module is connected with the input end and the setting end of the second timing module, the output end of the second timing module is connected with the turn-off signal end of the switch module, the second timing module is used for setting a preset threshold value when the charger is inserted into the intelligent charging socket, counting down is started when the charger is moved out of the intelligent charging socket, and a pulse signal is sent to the switch module after counting down is finished so as to turn off the intelligent charging socket; the charging on-off module is connected with the input end of the third timing module, the output end of the third timing module is connected with the turn-off signal end of the switch module, the third timing module is used for starting timing when charging is started, ending timing and resetting when charging is finished, and sending a pulse signal to the turn-off signal end of the switch module when the timing time reaches a preset threshold value so as to turn off the intelligent charging socket.
By adopting the technical scheme, after the charger is unplugged for a period of time or the charger is not inserted in time after the intelligent charging socket is switched on, the no-load protection of automatic power-off is realized, and under the condition of overlong charging time, the overtime protection of automatic power-off is realized, the battery is prevented from being damaged, and the problem of unsafe power consumption in the charging process of the electric bicycle is avoided.
As a further description of the intelligent charging system with the automatic power-off protection function, preferably, the intelligent charging system further includes a power detection module, the power detection module is respectively connected to the turn-off signal terminals of the intelligent charging socket and the switch module, and the power detection module is configured to send a pulse signal to the switch module to turn off the intelligent charging socket when detecting that the power of the charger is reduced to 10%.
By adopting the technical scheme, the power detection module is arranged to detect that the power of the charger is reduced to 10%, which indicates that the battery car is fully charged, so that the overcharge protection of automatic power-off is realized, the overcharge of the battery is avoided, the battery of the battery car is better protected, and the problem of unsafe electricity consumption in the charging process of the electric bicycle is avoided.
As a further description of the intelligent charging system with the automatic power-off protection function, preferably, the intelligent charging system further includes a voltage detection module, the voltage detection module is respectively connected to the turn-off signal terminals of the intelligent charging socket and the switch module, and the voltage detection module is configured to send a pulse signal to the switch module to turn off the intelligent charging socket when detecting that the voltage is greater than a preset overvoltage threshold or less than a preset undervoltage threshold.
By adopting the technical scheme, when the voltage is higher than 250V or lower than 180V, the voltage detection module is arranged, so that overvoltage and undervoltage protection of automatic power-off is realized, and the problem of unsafe power utilization in the charging process of the electric bicycle is avoided.
As a further description of the intelligent charging system with the automatic power-off protection function, preferably, the intelligent charging system further includes a load detection module, the load detection module is respectively connected to the turn-off signal terminals of the intelligent charging socket and the switch module, and the load detection module is configured to send a pulse signal to the switch module to turn off the intelligent charging socket when detecting that the load is greater than a preset load threshold.
By adopting the technical scheme, the overload protection of automatic power-off is realized when the load detection module detects that the load exceeds 600W, so that a user is prevented from charging a plurality of battery cars through the private patch board, and the problem of unsafe power utilization in the charging process of the electric bicycle is avoided.
As a further description of the intelligent charging system with the automatic power-off protection function, preferably, the intelligent charging system further includes a temperature detection module, the temperature detection module is respectively connected to the turn-off signal terminals of the intelligent charging socket and the switch module, and the temperature detection module is configured to send a pulse signal to the switch module to turn off the intelligent charging socket when detecting that the temperature is greater than a preset temperature threshold.
By adopting the technical scheme, the temperature detection module is arranged to realize the overtemperature protection of automatic power-off when the detected temperature exceeds 80 ℃, so that the thermal effect of the charger is prevented from being out of control, and the problem of unsafe power consumption in the charging process of the electric bicycle is avoided.
As a further description of the intelligent charging system with the automatic power-off protection function, preferably, the background management terminal includes a threshold setting module, and the threshold setting module is used to preset various thresholds.
By adopting the technical scheme, various thresholds are preset by the background management terminal, so that the centralized management of the remote background management terminal is realized.
As a further description of the smart charging system with the automatic power-off protection function, preferably, the mobile control terminal includes a switch control module and a charging control module, the switch control module is connected to the switch module through a port of the cloud server for remotely controlling on/off of the intelligent charging socket, and the charging control module is connected to the charging on/off module through a port of the cloud server for remotely controlling start and end of charging.
By adopting the technical scheme, the mobile control terminal realizes the remote control of the on/off of the intelligent charging socket and the start and end of charging.
The invention has the beneficial effects that:
1. according to the intelligent charging system, after the charger is unplugged for a period of time or the charger is not plugged in time after the intelligent charging socket is switched on, the no-load protection of automatic power-off is realized, and under the condition that the charging time is too long, the overtime protection of automatic power-off is realized, the battery is prevented from being damaged, and the problem of unsafe power consumption in the charging process of the electric bicycle is solved.
2. When the intelligent charging system detects that the power of the charger is reduced to 10%, the battery car is fully charged, the automatic power-off overcharge protection is realized, the battery overcharge is avoided, the battery of the battery car is better protected, and the problem of unsafe electricity consumption in the charging process of the electric bicycle is avoided.
3. When the voltage is higher than 250V or lower than 180V, the intelligent charging system realizes overvoltage and undervoltage protection of automatic power-off, and avoids the problem of unsafe electricity consumption in the charging process of the electric bicycle.
4. When the intelligent charging system detects that the load exceeds 600W, the overload protection of automatic power-off is realized, a user is prevented from charging a plurality of battery cars through a private patch board, and the problem of unsafe power utilization in the charging process of the electric bicycle is avoided.
5. When the intelligent charging system detects that the temperature exceeds 80 ℃, the overtemperature protection of automatic power-off is realized, the thermal effect of the charger is prevented from being out of control, and the problem of unsafe power consumption in the charging process of the electric bicycle is avoided.
Drawings
Fig. 1 is a schematic structural diagram of main power-off protection of an intelligent charging system with an automatic power-off protection function according to the present invention;
FIG. 2 is a schematic diagram of a sub-power-off protection structure of the intelligent charging system with an automatic power-off protection function according to the present invention;
fig. 3 is a schematic structural diagram of the mobile control terminal and the intelligent controller according to the present invention.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
As shown in figure 1, a wisdom charging system with automatic power-off protection function, wisdom charging system includes intelligent charging socket 1, and intelligent charging socket 1 is connected with intelligent control ware 2 electricity and signal connection, and intelligent control ware 2 is connected with backstage management terminal 4 and mobile control terminal 5 respectively through cloud ware 3 to receive backstage management terminal 4 and mobile control terminal 5's control signal.
The intelligent controller 2 comprises a switch module 21 and a charging on-off module 22; the switch module 21 is connected with the intelligent charging socket 1, and the switch module 21 is used for receiving a control signal of the mobile control terminal 5 and executing the on or off action of the intelligent charging socket 1; the charging on-off module 22 is respectively connected with the power supply and the switch module 21, and the charging on-off module 22 is configured to receive a control signal of the mobile control terminal 5 and execute an on-off action of the power supply to perform charging control on a charger on the intelligent charging socket 1. Preferably, the switch module 21 is composed of a microprocessor, a relay, a wireless communication module (such as a LoRa module, a Wifi module, a 4G/5G module) and a peripheral circuit thereof, and implements on/off control of the intelligent charging socket 1; the charging on-off module 22 is composed of a microprocessor, a relay, a wireless communication module (such as a LoRa module, a Wifi module, a 4G/5G module) and a peripheral circuit thereof, and realizes connection or disconnection control of the power supply and the intelligent charging socket 1. The wireless communication module receives a control signal of the mobile control terminal 5, and the microprocessor triggers the contact of the relay to be opened or closed according to the control signal. The signal for controlling the switch module 21 to be turned on and the signal for controlling the switch module 21 to be turned off are realized by two control lines, so as to form a signal-on end and a signal-off end of the switch module 21.
A connection detection module 11 is arranged in the intelligent charging socket 1, and the connection detection module 11 is used for detecting whether the intelligent charging socket 1 is inserted into a charger; preferably, the connection detection module 11 is configured as a press switch button at the socket, and a contact of the press switch button is pressed to generate a pulse signal after the charger is inserted. The on signal end of the switch module 21 and the signal output end of the connection detection module 11 are connected with the input end of the first timing module 12, the output end of the first timing module 12 is connected with the off signal end of the switch module 21, the first timing module 12 is used for starting timing when the intelligent charging socket 1 is on, ending timing and clearing when the charger is inserted into the intelligent charging socket 1, and sending a pulse signal to the off signal end of the switch module 21 when the timing time reaches a preset threshold value so as to turn off the intelligent charging socket 1. After the intelligent charging socket is switched on, the charger is not inserted in time within a period of time (30s), and the no-load protection of automatic power-off is realized.
The signal output end of the connection detection module 11 is connected with the input end and the counting end of the second timing module 13, the output end of the second timing module 13 is connected with the turn-off signal end of the switch module 21, the second timing module 13 is used for counting a preset threshold value when the charger is inserted into the intelligent charging socket 1, counting down is started when the charger is moved out of the intelligent charging socket 1, and a pulse signal is sent to the switch module 21 after counting down is finished so as to turn off the intelligent charging socket 1. After the charger is unplugged for a period of time (3s), the no-load protection of automatic power-off is realized.
The charging on-off module 22 is connected to an input end of the third timing module 14, an output end of the third timing module 14 is connected to an off signal end of the switch module 21, the third timing module 14 is configured to start timing when charging starts, end timing and zero clearing when charging ends, and send a pulse signal to the off signal end of the switch module 21 when the timing time reaches a preset threshold value to turn off the intelligent charging socket 1. Under the condition of overlong charging time (10 hours), the overtime protection of automatic power-off is realized, and the battery is prevented from being damaged.
As shown in fig. 2, a power detection module 15 is connected to a power supply loop of the intelligent charging socket 1, the power detection module 15 is connected to a turn-off signal end of the switch module 21, and the power detection module 15 is used for sending a pulse signal to the switch module 21 when detecting that the power of the charger is reduced to 10% so as to turn off the intelligent charging socket 1, thereby realizing the overcharge protection of automatic power-off, preventing the overcharge of the battery and better protecting the battery of the battery car. Preferably, the model of the power detection module is HLW 8012.
As shown in fig. 2, a voltage detection module 16 is connected to a power supply loop of the intelligent charging socket 1, the voltage detection module 16 is connected to a turn-off signal end of the switch module 21, and the voltage detection module 16 is configured to send a pulse signal to the switch module 21 when detecting that the voltage is greater than a preset overvoltage threshold or less than a preset undervoltage threshold, so as to turn off the intelligent charging socket 1. When the voltage is higher than 250V or lower than 180V, the overvoltage and undervoltage protection of automatic power-off is realized, the charging can be continued when the voltage is reduced to 245V or increased to 185V, and the overvoltage and undervoltage protection is realized by adopting a plurality of comparator connections. Preferably, the voltage detection module is of the type IM 1253B.
As shown in fig. 2, a power supply loop of the intelligent charging socket 1 is connected with a load detection module 17, the load detection module 17 is connected with a turn-off signal end of the switch module 21, and the load detection module 17 is configured to send a pulse signal to the switch module 21 when detecting that the load is greater than a preset load threshold value, so as to turn off the intelligent charging socket 1. The preset load threshold value can be set to 600W, and a user is prevented from charging a plurality of battery cars through the private patch board. Preferably, the load detection module is of type INA 220.
As shown in fig. 2, a temperature detection module 18 is connected to a power supply loop of the intelligent charging socket 1, the temperature detection module 18 is respectively connected to turn-off signal terminals of the intelligent charging socket 1 and the switch module 21, and the temperature detection module 18 is configured to send a pulse signal to the switch module 21 when detecting that the temperature is greater than a preset temperature threshold value, so as to turn off the intelligent charging socket 1. The preset temperature threshold can be set to 80 ℃ to prevent the thermal effect of the charger from being out of control. Preferably, the model of the temperature detection module is 7MP 275.
As shown in fig. 2, the background management terminal 4 includes a threshold setting module 41, and the threshold setting module 41 is configured to preset various thresholds. The background management terminal 4 is based on the prior art of a computer system, the background management terminal 4 is connected with the cloud server 3 through a network protocol to realize the input of various thresholds and upload the thresholds to the cloud server 3 for storage, and the threshold setting module 41 is realized through input equipment such as a keyboard and a mouse.
As shown in fig. 3, the mobile control terminal 5 includes a switch control module 51 and a charging control module 52, the switch control module 51 is connected to the switch module 21 through a port of the cloud server 3 for remotely controlling on/off of the intelligent charging socket 1, and the charging control module 52 is connected to the charging on/off module 22 through a port of the cloud server 3 for remotely controlling start and end of charging. The switch control module 51 is a control button arranged on the mobile control terminal 5, the switch control module 51 is connected with the switch module 21 through an interface protocol, the charging control module 52 is a control button arranged on the mobile control terminal 5, and the charging control module 52 is connected with the charging on-off module 22 through an interface protocol. Various thresholds are preset by the background management terminal, so that the centralized safety management of the remote background management terminal is realized. The mobile control terminal is used for remotely controlling the on or off of the intelligent charging socket and the start and the end of charging.
In addition, a time limiting module can be arranged between the power detection module 15, the voltage detection module 16, the load detection module 17, the temperature detection module 18 and the turn-off signal end of the switch module 21, the time limiting module starts counting down after receiving the pulse signal, and the intelligent charging socket 1 is turned off after the counting is finished. The first timing module 12 and the third timing module 14 may be implemented by a conventional timing circuit, and the second timing module 13 may be implemented by a conventional countdown circuit.
It should be noted that the above-mentioned contents and specific embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.

Claims (7)

1. The intelligent charging system with the automatic power-off protection function is characterized by comprising an intelligent charging socket (1), wherein the intelligent charging socket (1) is electrically connected with an intelligent controller (2) in a signal connection mode, and the intelligent controller (2) is respectively connected with a background management terminal (4) and a mobile control terminal (5) through a cloud server (3) so as to receive control signals of the background management terminal (4) and the mobile control terminal (5); wherein the content of the first and second substances,
the intelligent controller (2) comprises a switch module (21) and a charging on-off module (22);
the switch module (21) is connected with the intelligent charging socket (1), and the switch module (21) is used for receiving a control signal of the mobile control terminal (5) and executing the on or off action of the intelligent charging socket (1);
the charging on-off module (22) is respectively connected with the power supply and the switch module (21), and the charging on-off module (22) is used for receiving a control signal of the mobile control terminal (5) and executing the on-off action of the power supply so as to perform charging control on a charger on the intelligent charging socket (1);
a connection detection module (11) is arranged in the intelligent charging socket (1), and the connection detection module (11) is used for detecting whether the intelligent charging socket (1) is inserted into a charger or not;
the on-signal end of the switch module (21) and the signal output end of the connection detection module (11) are connected with the input end of the first timing module (12), the output end of the first timing module (12) is connected with the off-signal end of the switch module (21), the first timing module (12) is used for starting timing when the intelligent charging socket (1) is on, ending timing zero clearing when a charger is inserted into the intelligent charging socket (1), and sending a pulse signal to the off-signal end of the switch module (21) when the timing time reaches a preset threshold value so as to turn off the intelligent charging socket (1);
the signal output end of the connection detection module (11) is connected with the input end and the setting end of the second timing module (13), the output end of the second timing module (13) is connected with the turn-off signal end of the switch module (21), the second timing module (13) is used for setting a preset threshold value when the charger is inserted into the intelligent charging socket (1), counting down is started when the charger is moved out of the intelligent charging socket (1), and the counting down is finished to send a pulse signal to the switch module (21) so as to turn off the intelligent charging socket (1);
the charging on-off module (22) is connected with the input end of the third timing module (14), the output end of the third timing module (14) is connected with the turn-off signal end of the switch module (21), the third timing module (14) is used for starting timing when charging is started, ending timing and clearing when charging is finished, and sending a pulse signal to the turn-off signal end of the switch module (21) when the timing time reaches a preset threshold value so as to turn off the intelligent charging socket (1).
2. The intelligent charging system with automatic power-off protection function as claimed in claim 1, further comprising a power detection module (15), wherein the power detection module (15) is respectively connected to the turn-off signal terminals of the intelligent charging socket (1) and the switch module (21), and the power detection module (15) is configured to send a pulse signal to the switch module (21) to turn off the intelligent charging socket (1) when detecting that the charger power is reduced to 10%.
3. The intelligent charging system with automatic power-off protection function as claimed in claim 1, further comprising a voltage detection module (16), wherein the voltage detection module (16) is respectively connected to the turn-off signal terminals of the intelligent charging socket (1) and the switch module (21), and the voltage detection module (16) is configured to send a pulse signal to the switch module (21) to turn off the intelligent charging socket (1) when detecting that the voltage is greater than a preset overvoltage threshold or less than a preset undervoltage threshold.
4. The intelligent charging system with automatic power-off protection function as claimed in claim 1, further comprising a load detection module (17), wherein the load detection module (17) is respectively connected to the turn-off signal terminals of the intelligent charging socket (1) and the switch module (21), and the load detection module (17) is configured to send a pulse signal to the switch module (21) to turn off the intelligent charging socket (1) when detecting that the load is greater than a preset load threshold.
5. The intelligent charging system with automatic power-off protection function as claimed in claim 1, further comprising a temperature detection module (18), wherein the temperature detection module (18) is respectively connected to the turn-off signal terminals of the intelligent charging socket (1) and the switch module (21), and the temperature detection module (18) is configured to send a pulse signal to the switch module (21) to turn off the intelligent charging socket (1) when detecting that the temperature is greater than a preset temperature threshold.
6. The intelligent charging system with automatic power-off protection function as claimed in any one of claims 1-5, wherein the background management terminal (4) comprises a threshold setting module (41), and the threshold setting module (41) is used for presetting various thresholds.
7. The intelligent charging system with automatic power-off protection function as claimed in any one of claims 1-5, wherein the mobile control terminal (5) comprises a switch control module (51) and a charging control module (52), the switch control module (51) is connected with the switch module (21) through a port of the cloud server (3) for remotely controlling the on/off of the intelligent charging socket (1), and the charging control module (52) is connected with the charging on/off module (22) through a port of the cloud server (3) for remotely controlling the start and end of charging.
CN202111249460.4A 2021-10-26 2021-10-26 Wisdom charging system with automatic power-off protection function Pending CN113964905A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552710A (en) * 2022-02-23 2022-05-27 深圳市鹏盛烨电子有限公司 Automatic power-off method and device for intelligent charger, electronic equipment and medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552710A (en) * 2022-02-23 2022-05-27 深圳市鹏盛烨电子有限公司 Automatic power-off method and device for intelligent charger, electronic equipment and medium
CN114552710B (en) * 2022-02-23 2023-10-13 深圳市鹏盛烨电子有限公司 Automatic power-off method and device for intelligent charger, electronic equipment and medium

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