CN111873819A - Intelligent charging control device and control method for new energy automobile - Google Patents
Intelligent charging control device and control method for new energy automobile Download PDFInfo
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- CN111873819A CN111873819A CN202010019886.XA CN202010019886A CN111873819A CN 111873819 A CN111873819 A CN 111873819A CN 202010019886 A CN202010019886 A CN 202010019886A CN 111873819 A CN111873819 A CN 111873819A
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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
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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
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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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- Computer Security & Cryptography (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an intelligent charging control device and method for a new energy automobile. The intelligent charging control device comprises a central processing module, a Bluetooth communication module, a display module, a power switch module, a heat dissipation module and a power module, wherein the Bluetooth communication module, the display module, the power switch module, the heat dissipation module and the power module are connected with a user mobile phone through Bluetooth signals, and the input end and the output end of the power switch module are respectively connected with a mains supply alternating current 220V charger and a new energy automobile charger. The novel energy automobile charger realizes Bluetooth connection with a mobile phone through Bluetooth password pairing, realizes an electronic lock function, avoids the phenomenon that the charger is stolen, controls the power on/off of the power switch module through receiving an instruction sent by the mobile phone APP, thereby controlling the power on/off of the new energy automobile charger, realizing the control of immediate charging or charge reservation, can also be controlled in places with poor mobile network signals, is convenient to use, improves the reliability, and avoids electric shock accidents due to the fact that a charging port of the charger is uncharged under the non-charging condition, thereby improving the safety.
Description
Technical Field
The invention relates to new energy automobile charging equipment, in particular to an intelligent charging control device and method for a new energy automobile.
Background
In order to achieve the purpose of energy conservation and emission reduction, new energy automobiles (electric automobiles) become a new trend of automobile development. Although new energy automobiles have the advantages of no pollution, silence, comfort and the like, the development of new energy automobiles is always hindered by the charging problem: charging is slow, charging is inconvenient, potential safety hazards are large during charging, and the like, so that many potential buyers can be forbidden. The desire for each new energy automobile user to sleep is to conveniently and quickly reserve and use the low-price valley electricity after 22 points to charge the new energy automobile, and although new energy automobiles with the reserved charging function and charging piles appear on the market, the problem of inconvenience or insecurity in charging still exists.
At present, the charging pile with the function of reserving charging is required to be connected with the Internet, the mobile phone, the charging pile and the server form a system, a user operates the mobile phone charging APP, a reserved charging instruction is sent to the remote charging pile management server through a mobile network, and the server issues the reserved charging instruction to the charging pile after checking the instruction effectively, so that the reserved charging is realized. But domestic electric pile of filling is generally installed in underground garage, and the internet access environment is very abominable, and it is very likely because underground garage does not have radio signal or radio signal relatively poor to lead to filling electric pile and can not receive the reservation instruction of charging that the server issued for filling electric pile, consequently can't realize the reservation and charge.
In the existing new energy automobile with the reserved charging function, when a user stops the automobile, the user sets the delay time through a reserved charging drive plate or button in the automobile to realize the reserved charging. This kind of mode fills the electric energy delivery outlet of electric pile and is electrified always, has the potential safety hazard. Firstly, in case of touching a charging port by a child or a small animal, an electric shock accident can occur; secondly, when the user need not the parking stall, can have the hidden danger that fills electric pile and is stolen the electricity, this problem is solved through installing the lock on filling electric pile to the user of this kind of new energy automobile at present, uses very inconveniently.
Disclosure of Invention
The invention mainly solves the technical problems that the charging operation is not reliable in the charging mode appointment of the original new energy automobile and potential safety hazards exist in charging of a charging pile; the utility model provides a new energy automobile intelligent charging controlling means and control method, it can intelligent control the switching on of new energy automobile charger to can reserve and charge, make the mouth that charges of charger uncharged under the non-charging condition, thereby avoid the electric shock accident to take place, improve the security, do not rely on mobile network moreover, also can reserve and charge in the not good place of mobile network signal such as underground garage, convenient to use improves the reliability that the reservation was charged.
The invention simultaneously solves the technical problems that the original new energy automobile charging pile is always electrified, so that the hidden danger of electricity stealing exists, and the use is very inconvenient due to the mode of additionally installing a door lock; the intelligent charging control device and the intelligent charging control method for the new energy automobile can control the charger to charge or reserve charging only if the Bluetooth password pairing verification is successful, realize the function of the electronic lock, avoid the phenomenon that the charging pile is stolen, do not need to additionally install a door lock, and are more convenient to use.
The technical problem of the invention is mainly solved by the following technical scheme: the intelligent charging control device for the new energy automobile comprises a Bluetooth communication module, a central processing module, a display module, a power switch module, a heat dissipation module and a power module for supplying voltage to the whole intelligent charging control device for the new energy automobile, wherein the Bluetooth communication module, the display module, the power switch module and the heat dissipation module are respectively connected with the central processing module, the Bluetooth communication module is connected with a user mobile phone through a Bluetooth signal, the input end of the power switch module is connected with commercial power alternating current 220V, and the output end of the power switch module is connected with a charger of the new energy automobile. The new energy automobile charger is in a power-off state at ordinary time, and whether the new energy automobile charger is powered on or not is controlled by the intelligent charging control device for the new energy automobile. The intelligent charging APP system is matched with a user mobile phone provided with an intelligent charging APP for use, Bluetooth data communication is achieved between the intelligent charging APP system and the user mobile phone through a Bluetooth communication module, only if Bluetooth password pairing verification succeeds, a command signal can be transmitted, the command signal sent by the intelligent charging APP is received by the Bluetooth communication module and then transmitted to a central processing module, the central processing module displays time and the state of a charging device through a display module after processing, if an instant charging command or a reserved charging command sent by the intelligent charging APP is received, a control signal is sent immediately or a control signal is sent when the reserved time (generally 10-hour valley electricity starting time at night) is reached, a power switch module is controlled to act, the input end and the output end of the power switch module are switched on, a new energy automobile charger obtains electricity, and a new energy automobile is charged. In the invention, the new energy automobile charger is uncharged under the condition of no charging, so that electric shock accidents caused by contact with a charging port by children or small animals can be effectively avoided, and the safety is improved; only the bluetooth password is paired the check-up and is succeeded can control the charger and charge or the reservation charges, realizes the electronic lock function, stops to fill the phenomenon emergence that electric pile was stolen, need not to install additional the lock, and it is more convenient to use. The invention can reserve the time of valley power and connect the new energy automobile charger to charge the new energy automobile, effectively saves electric energy, and controls signals to adopt Bluetooth data transmission without depending on a mobile network, thereby being capable of carrying out immediate charging or charge reservation control in places with poor mobile network signals, such as an underground garage, and the like, being convenient to use and improving the reliability.
Preferably, the power switch module comprises an optical coupler U3 and a thyristor Q1, the anode of the input end of the optical coupler U3 is connected with a signal end PD02 of the central processing module through a resistor R14, the cathode of the input end of the optical coupler U3 is grounded, the anode of the output end of the optical coupler U3 is connected with the control end of the thyristor Q1 and also connected with the live line L of the mains supply alternating current 220V through a resistor R12, the cathode of the output end of the optical coupler U3 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with the cathode of the thyristor Q1 and also connected with the anode of a diode D7, the anode of the thyristor Q1 is connected with the live line L of the mains supply alternating current 220V, the cathode of the diode D7 is connected with the anode of a resistor R16 and the anode of a light emitting diode D4, the cathode of the light emitting diode D4 is connected with the neutral line N of the mains supply alternating current 220V, one end of the surge prevention piezoresistor RV1 is connected with the anode of the, a2-pin interface P4 is connected with a zero line N of commercial power alternating current 220V, a 3-pin interface P4 is connected with the anode of a diode D7, and an interface P4 is connected with the new energy automobile charger. The signal terminal PD02 of the central processing module controls the on-off of an optocoupler U3, the on-off of a thyristor Q1 is controlled through the optocoupler U3, and finally the pin 3 of the interface P4 and the live wire L are controlled to be connected or disconnected, so that the on-off of the new energy automobile charger is controlled. And the surge-proof piezoresistor RV1 forms a surge-proof protection circuit. The light emitting diode D4 plays a role in indicating, when the pin 3 of the interface P4 is connected with the live wire L, the light emitting diode D4 is lighted, otherwise, the light emitting diode D4 is extinguished.
Preferably, the controllable silicon Q1 is provided with a heat sink. The heat dissipation effect is played to silicon controlled rectifier Q1, ensures that the silicon controlled rectifier is not overheated, avoids damaging because of overheating, improves the reliability of circuit.
Preferably, the power switch module comprises a light emitting diode D1, the signal terminal PD02 of the central processing module is connected to the anode of the light emitting diode D1 through a resistor R1, and the cathode of the light emitting diode D1 is grounded. When the central processing module sends a charging control signal, the light-emitting diode D1 lights up, otherwise, the light-emitting diode D1 lights out. The led D1 is used to indicate whether a charging control signal is sent.
Preferably, the heat dissipation module comprises a triode Q2 and a fan, a base of the triode Q2 is connected with the central processing module through a resistor R18, an emitter of the triode Q2 is grounded, a collector of the triode Q2 is connected with a positive electrode of a diode D6, a negative electrode of the diode D6 is connected with a voltage VCC5, the other circuit is connected with a pin 2 of the interface P3, a pin 1 of the interface P3 is connected with the voltage VCC5, and the interface P3 is connected with the fan. Because large current is generated during charging, the temperature of a power element in the circuit, such as a silicon controlled rectifier, is very high, and a fan is adopted to dissipate heat of the power element and the whole device. When the central processing module sends a charging control signal, the central processing module can trigger the heat dissipation module at the same time, the triode Q2 is conducted, and the fan is powered on to start. Diode D6 prevents the induced voltage of the fan from damaging transistor Q2 when power is off. The other scheme can also be adopted, namely, the power switch module automatically detects the heat productivity of the power element, and when the temperature reaches a set value, the central processing module sends a signal to trigger the heat dissipation module to start the fan.
Preferably, the central processing module comprises a singlechip U1, and the singlechip U1 adopts an STM32F103RBT6 singlechip; the display module comprises a liquid crystal display screen; the 16 pin and the 17 pin of the singlechip U1 are respectively connected with the 4 pin and the 3 pin of the interface J1, the 1 pin of the interface J1 is connected with 3.3V of voltage, the 2 pin of the interface J1 is grounded, and the interface J1 is connected with the Bluetooth communication module; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the 7 pins of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the 7 pins of the singlechip U1 is connected with 3.3V through a resistor R2, 13 pins of the singlechip U1 are connected with VDDA as well as VSSA through a capacitor C3, 1 pin, 32 pin, 48 pin, 64 pin and 19 pin of the singlechip U1 are connected with 3.3V, 31 pin, 47 pin, 63 pin and 18 pin of the singlechip U1 are grounded, 12 pin of the singlechip U1 is connected with VSSA, and 54 pin of the singlechip U1 is connected with the power switch module; pins 2, 51, 40, 39, 38, 37, 11, 10, 9 and 8 of the single chip microcomputer U1 are respectively connected with pins 33, 23, 1, 2, 3, 4, 30, 29, 31 and 34 of a display screen interface JP1, pins 5 of the display screen interface JP1 are connected with pins 7 of the single chip microcomputer U1, pins 26, 27, 28, 55, 56, 57, 58, 59, 61, 62, 29, 30, 33, 34, 35 and 36 of the single chip microcomputer U1 are respectively connected with pins 6-21 of the display screen interface JP1, pins 22, 26 and 27 of the display screen interface JP1 are grounded, pins 24 and 25 of the display screen interface JP1 are connected with voltage 3.3V, pins 28 of the display screen interface JP1 are connected with voltage 5V, and pins 28 of the display screen interface JP 24 are connected with the liquid crystal display screen 1.
Preferably, the power module comprises a circuit for converting alternating current 220V into direct current 5V and a circuit for converting direct current 5V into 3.3V; the circuit for converting alternating current 220V into direct current 5V comprises a chip AP1, a non-isolated switch power supply AP8505 is adopted by the chip AP1, a live wire L of alternating current 220V of mains supply is connected with an anode of a diode D5 through a resistor R17, a cathode of a diode D5 is connected with a 4 pin of the chip AP1, a 4 pin of the chip AP1 is connected with a zero line N of alternating current 220V of mains supply through a capacitor C15, an anti-surge piezoresistor RV2 is connected between the live wire L and the zero line N of the alternating current 220V of mains supply, a 2 pin of the chip AP1 is connected with the zero line N, a 5 pin and a 6 pin of the chip AP1 are connected, a capacitor C16 is connected between the 5 pin and the 7 pin of the chip AP1, an inductor L3 is connected between the 5 pin and the 1 pin of the chip AP1, and, namely, the direct current voltage is 5V, the voltage VCC5 is connected with a zero line N through a capacitor C14, the voltage VCC5 is connected with the anode of a light-emitting diode D3, the cathode of the light-emitting diode D3 is grounded through a resistor R13, and the zero line N is grounded through a resistor R19; the direct current 5V to 3.3V circuit comprises a power conversion chip U2, an IN pin of the power conversion chip U2 is connected with a voltage 5V, a GND pin of the power conversion chip U2 is grounded, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and the ground terminal, an OUT pin of the power conversion chip U2 outputs a voltage 3.3V, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs a voltage VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected with one end of an inductor L2, and the other end of the inductor L2 is connected with a voltage VSSA. And the surge-proof piezoresistor RV2 forms a surge-proof protection circuit. The led D3 is used to indicate whether there is 5V voltage.
Preferably, the direct current 5V to 3.3V circuit comprises a light emitting diode D2, the anode of the light emitting diode D2 is connected with a voltage of 3.3V through a resistor R4, and the cathode of the light emitting diode D2 is grounded. The led D2 is used to indicate whether there is 3.3V.
The control method of the intelligent charging control device of the new energy automobile comprises the following steps:
firstly, opening an intelligent charging APP installed on a user mobile phone, clicking a connection equipment button, receiving Bluetooth pairing data sent by the mobile phone and performing proofreading by a Bluetooth communication module of the intelligent charging control device of the new energy automobile, and enabling the mobile phone to be connected with the Bluetooth communication module in a Bluetooth data connection mode after the proofreading is correct;
the display module displays the current time and the current state of the charging control device;
clicking an immediate charging button on the intelligent charging APP, transmitting an immediate charging instruction to the central processing module through the Bluetooth communication module, immediately sending a control signal to the power switch module by the central processing module, switching on the input end and the output end of the power switch module, providing an alternating current 220V power supply for a new energy automobile charger, charging the new energy automobile, and simultaneously displaying a charging state of 'charging start';
and fourthly, when the new energy automobile is fully charged or the charging stop button is pressed on the intelligent charging APP, the central processing module sends a control signal to the power switch module, the input end and the output end of the power switch module are cut off, the new energy automobile charger is powered off, and the new energy automobile is stopped being charged.
In the invention, the new energy automobile charger is uncharged under the condition of no charging, so that electric shock accidents caused by contact with a charging port by children or small animals can be effectively avoided, and the safety is improved; only the bluetooth password is paired the check-up and is succeeded can control the charger and charge or the reservation charges, realizes the electronic lock function, stops to fill the phenomenon emergence that electric pile was stolen, need not to install additional the lock, and it is more convenient to use. The user operates on cell-phone APP, and adopts bluetooth data transmission between the new energy automobile intelligent charging controlling means, does not rely on mobile network, consequently removes the wireless control that also can charge in the not good place of network signal such as underground garage, and convenient to use improves the reliability.
Preferably, the control method comprises a reservation charging method; the step II comprises the following steps: the mobile phone time is transmitted to the central processing module through the Bluetooth communication module, so that the time synchronization of the mobile phone and the intelligent charging control device of the new energy automobile is realized;
when charging is reserved, the third step is as follows: clicking a reserved charging button on the intelligent charging APP, transmitting a reserved charging instruction to the central processing module through the Bluetooth communication module, displaying a charging state of 'starting a reserved charging mode', operating and processing the central processing module, sending a control signal to the power switch module when the time reaches 22-point valley power, switching on the input end and the output end of the power switch module, and providing an alternating-current 220V power supply for a new energy automobile charger to charge a new energy automobile;
the fourth step is as follows: when the new energy automobile is fully charged or the time reaches the end of 8 am valley electricity in the next day, the central processing module sends a control signal to the power switch module, the input end and the output end of the power switch module are cut off, the new energy automobile charger is powered off, and the new energy automobile is stopped being charged.
The invention can perform the appointment charging, the new energy automobile charger is connected when the valley electricity time is appointed, the new energy automobile is charged by utilizing the valley electricity, the peak electricity time period is avoided, the cheaper valley electricity is fully utilized for charging, the electricity consumption cost of the new energy automobile is effectively reduced, and the use cost of a new energy automobile user is reduced.
The invention has the beneficial effects that: the on-off of ability intelligent control new energy automobile charger to can reserve and charge, make the mouth that charges of charger be uncharged under the non-charging condition, thereby avoid the electric shock accident to take place, improve the security, do not rely on mobile network moreover, also can carry out charge control immediately and reserve charge control in the not good place of mobile network signal such as underground garage, convenient to use improves charge control's reliability. In addition, the charger can be controlled to charge or charge in an appointed mode only if the Bluetooth password pairing is successfully verified, the function of the electronic lock is achieved, the phenomenon that the charging pile is stolen is avoided, a door lock does not need to be additionally arranged on the charger, and the charger is more convenient to use.
Drawings
Fig. 1 is a block diagram of a circuit schematic connection structure of the present invention.
Fig. 2 is a schematic circuit diagram of the central processing module, the bluetooth communication module and the display module according to the present invention.
Fig. 3 is a schematic circuit diagram of the power switch module and the heat dissipation module of the present invention.
Fig. 4 is a schematic circuit diagram of a power module of the present invention.
In the figure, the device comprises a central processing module 1, a Bluetooth communication module 2, a display module 3, a power switch module 4, a heat dissipation module 5, a power supply module 6 and a new energy automobile charger 7.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): the intelligent charging control device for the new energy automobile of the embodiment, as shown in fig. 1, including bluetooth communication module 2, central processing module 1, display module 3, switch module 4, heat dissipation module 5 and power module 6 that provides voltage for the whole intelligent charging control device for the new energy automobile, bluetooth communication module, display module, switch module and heat dissipation module link to each other with central processing module respectively, 2 bluetooth communication module and user's cell-phone link to each other through bluetooth signal, switch module 4's input termination commercial power is exchanged 220V, switch module 4's output and new energy automobile charger 7 link to each other.
As shown in fig. 4, the power module 6 includes an ac 220V to dc 5V circuit and a dc 5V to 3.3V circuit. The circuit for converting alternating current 220V into direct current 5V comprises a chip AP1, a non-isolated switch power supply AP8505 is adopted by the chip AP1, a live wire L of alternating current 220V of mains supply is connected with an anode of a diode D5 through a resistor R17, a cathode of a diode D5 is connected with a 4 pin of the chip AP1, a 4 pin of the chip AP1 is connected with a zero line N of alternating current 220V of mains supply through a capacitor C15, an anti-surge piezoresistor RV2 is connected between the live wire L and the zero line N of the alternating current 220V of mains supply, a 2 pin of the chip AP1 is connected with the zero line N, a 5 pin and a 6 pin of the chip AP1 are connected, a capacitor C16 is connected between the 5 pin and the 7 pin of the chip AP1, an inductor L3 is connected between the 5 pin and the 1 pin of the chip AP1, and, namely, the direct current voltage is 5V, the voltage VCC5 is connected with a zero line N through a capacitor C14, the voltage VCC5 is connected with the anode of the light emitting diode D3, the cathode of the light emitting diode D3 is grounded through a resistor R13, and the zero line N is grounded through a resistor R19. The direct current 5V to 3.3V circuit comprises a power conversion chip U2 and a light emitting diode D2, an ASMI117 voltage stabilizing block is adopted by the power conversion chip U2, the IN pin of the power conversion chip U2 is connected with 5V, the GND pin of the power conversion chip U2 is grounded, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs 3.3V of voltage, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected with one end of the inductor L2, and the other end of the inductor L2 is provided with VSSA. The anode of the led D2 is connected to the voltage of 3.3V through the resistor R4, and the cathode of the led D2 is grounded.
As shown in fig. 2, the central processing module 1 includes a single chip microcomputer U1, and the single chip microcomputer U1 adopts an STM32F103RBT6 single chip microcomputer; the display module 3 includes a liquid crystal display. Pins 16 and 17 of the singlechip U1 are respectively connected with pins 4 and 3 of the interface J1, pin 1 of the interface J1 is connected with 3.3V of voltage, pin 2 of the interface J1 is grounded, and the interface J1 is connected with the Bluetooth communication module 2; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the pin 7 of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the pin is connected with 3.3V voltage through a resistor R2, the pin 13 of the singlechip U1 is connected with VDDA voltage and VSSA voltage through a capacitor C3, the pins 1, 32, 48, 64 and 19 of the singlechip U1 are connected with 3.3V voltage, the pins 31, 47, 63 and 18 of the singlechip U1 are grounded, the pin 12 of the singlechip U1 is connected with VSSA voltage, and the pin 54 of the singlechip U1 is a signal end PD02 and is connected with a power switch module; pins 2, 51, 40, 39, 38, 37, 11, 10, 9 and 8 of the single chip microcomputer U1 are respectively connected with pins 33, 23, 1, 2, 3, 4, 30, 29, 31 and 34 of a display screen interface JP1, pins 5 of the display screen interface JP1 are connected with pins 7 of the single chip microcomputer U1, pins 26, 27, 28, 55, 56, 57, 58, 59, 61, 62, 29, 30, 33, 34, 35 and 36 of the single chip microcomputer U1 are respectively connected with pins 6-21 of the display screen interface JP1, pins 22, 26 and 27 of the display screen interface JP1 are grounded, pins 24 and 25 of the display screen interface JP1 are connected with voltage 3.3V, pins 28 of the display screen interface JP1 are connected with voltage 5V, and pins 28 of the display screen interface JP1 are connected with a display screen.
As shown in fig. 3, the power switch module 4 includes an optocoupler U3, a thyristor Q1, and a light emitting diode D1, the optocoupler U3 is a MOC3061 optocoupler, which is a bidirectional photo-thyristor, and a heat sink is mounted on the thyristor Q1. The positive pole of the input end of an optical coupler U3 (the positive pole of a light-emitting diode in the optical coupler) is connected with a signal end PD02 through a resistor R14, namely is connected with a pin 54 of a singlechip U1, the negative pole of the input end of the optical coupler U3 (the negative pole of the light-emitting diode in the optical coupler) is grounded, the positive pole of the output end of the optical coupler U3 (the positive pole of a controllable silicon in the optical coupler) is connected with the control end of a controllable silicon Q1 and is connected with a live wire L of commercial power alternating current 220V through a resistor R12, the negative pole of the output end of the optical coupler U3 (the negative pole of the controllable silicon in the optical coupler) is connected with one end of a resistor R15, the other end of the resistor R15 is connected with the negative pole of a controllable silicon Q1 and is connected with the positive pole of a diode D7, the positive pole of the controllable silicon Q1 is connected with the live wire L of the commercial power alternating current 220V, the negative pole of a diode D7 is connected with the positive pole of a diode D737, the other end of the surge-proof voltage dependent resistor RV1 is connected with the anode of the diode D7, 2 pins of the interface P4 are connected with a zero line N of commercial power alternating current 220V, 3 pins of the interface P4 are connected with the anode of the diode D7, and the interface P4 is connected with a new energy automobile charger 7. The signal terminal PD02 is connected to the anode of the led D1 through the resistor R1, and the cathode of the led D1 is grounded.
The heat dissipation module 5 comprises a triode Q2 and a fan, the base of the triode Q2 is connected with a signal end PD02 through a resistor R18, namely, the base is connected with a pin 54 of a singlechip U1, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with the anode of a diode D6, the cathode of the diode D6 is connected with a voltage VCC5, the other circuit is connected with a pin 2 of an interface P3, a pin 1 of the interface P3 is connected with a voltage VCC5, namely, the interface P3 is connected with the fan. The fan aims at the controllable silicon Q1 and the radiating fin arranged on the controllable silicon Q1, and the controllable silicon Q1 has good cooling effect.
The new energy automobile charger is in a power-off state at ordinary time, and whether the new energy automobile charger is powered on or not is controlled by the intelligent charging control device for the new energy automobile. New energy automobile intelligent charging controlling means and the user's cell-phone cooperation of installing intelligent APP that charges use, the bluetooth data communication is realized with new energy automobile intelligent charging controlling means's bluetooth communication module to the user's cell-phone, the instruction signal that intelligent APP sent charges, receive by bluetooth communication module, the retransmission gives central processing module, central processing module handles the back, show time and charging device's state by display module, if receive charge instruction or reservation charge instruction immediately, then send control signal immediately or when reservation time reachs control signal, control switch module action, switch on switch module's input and output, then new energy automobile charger is electrified, charge for new energy automobile.
The control method of the intelligent charging control device of the new energy automobile comprises an immediate charging method and a charging appointment method, and comprises the following specific steps:
firstly, opening an intelligent charging APP installed on a user mobile phone, clicking a connection equipment button, receiving Bluetooth pairing data sent by the mobile phone by a Bluetooth communication module of the intelligent charging control device of the new energy automobile, performing proofreading, and enabling the mobile phone to be connected with the Bluetooth communication module through Bluetooth data after the proofreading is correct;
secondly, the mobile phone time is transmitted to a single chip microcomputer U1 through a Bluetooth communication module and processed by the single chip microcomputer, so that the time synchronization of the new energy automobile intelligent charging control device and the mobile phone is realized, and a liquid crystal display screen on the new energy automobile intelligent charging control device displays the current time and the current state of the charging control device;
if the new energy automobile needs to be charged immediately, a user clicks an immediate charging button on the intelligent charging APP, an immediate charging instruction is transmitted to the single chip microcomputer U1 through the Bluetooth communication module, a 54 pin of the single chip microcomputer U1 immediately sends a control signal to an optical coupler U3 of the power switch module, the optical coupler U3 sends a signal to enable the silicon controlled rectifier Q1 to be conducted, a 3 pin of an interface P4 is communicated with a live wire L, a power supply with the maximum of 7KW is provided for the new energy automobile charger, the new energy automobile charger obtains alternating current 220V electric energy to charge the new energy automobile, and meanwhile, a liquid crystal display screen of the intelligent charging control device of the new energy automobile displays a charging state of 'starting charging';
if charging is to be reserved, a user clicks a reserved charging button on an intelligent charging APP, a reserved charging instruction is transmitted to a single-chip microcomputer U1 through a Bluetooth communication module, a liquid crystal display of the intelligent charging control device of the new energy automobile displays a charging state of 'starting a reserved charging mode', the single-chip microcomputer U1 is operated and processed, when the time reaches 22-point valley electricity, a control signal is sent to an optical coupler U3 of a power switch module, the optical coupler U3 sends a signal to enable a silicon controlled rectifier Q1 to be conducted, then a pin 3 of an interface P4 and a live wire L are connected, a power supply with the maximum power of 7KW is provided for a new energy automobile charger, the new energy automobile charger obtains alternating-current 220V electric energy, and charges the new energy;
when a pin 54 of the single chip microcomputer U1 sends a control signal to start charging, the triode Q2 is conducted, the fan is powered on to start, the silicon controlled rectifier Q1 is cooled, and meanwhile, the light emitting diode D1 and the light emitting diode D4 are lightened to respectively indicate that the single chip microcomputer has charging signal output and the new energy automobile charger has electric energy output;
fourthly, when the new energy automobile is fully charged, or a charging stop button is pressed on the intelligent charging APP, or the time in the reserved charging mode is up to 8 am valley electricity in the next day, a control signal is sent to an optocoupler U3 of the power switch module by a pin 54 of the singlechip U1, a signal is sent by an optocoupler U3 to stop the silicon controlled rectifier Q1, the connection between a pin 3 of the interface P4 and the live wire L is disconnected, the charger of the new energy automobile is powered off, and the new energy automobile is stopped being charged; at the same time, the fan stops blowing due to power failure, and the light emitting diodes D1 and D4 are both turned off.
The invention has the following advantages:
1. the valley electricity can be effectively utilized to charge the new energy automobile;
2. the new energy automobile charger is not electrified under the non-charging condition, so that the safety is improved;
3. the problem that the new energy vehicles of old models do not have the charging reservation function can be solved;
4. the mobile phone APP can be used for conducting reserved charging on occasions with poor mobile network signals;
5. the function of the electronic lock can be realized through the pairing verification of the Bluetooth passwords, so that the phenomenon that the charging pile is stolen is prevented;
6. if the new energy automobile charger is plugged again, the reserved charging setting cannot be invalid.
Claims (10)
1. The utility model provides a new energy automobile intelligent charging controlling means, its characterized in that includes bluetooth communication module, central processing module, display module, switch module, heat dissipation module and for whole new energy automobile intelligent charging controlling means provides the power module of voltage, bluetooth communication module, display module, switch module and heat dissipation module respectively with central processing module link to each other, bluetooth communication module and user's cell-phone link to each other through bluetooth signal, the input termination commercial power of switch module exchanges 220V, switch module's output and new energy automobile charger link to each other.
2. The intelligent charging control device for the new energy automobile according to claim 1, characterized in that the power switch module comprises an optocoupler U3 and a thyristor Q1, the positive electrode of the input end of the optocoupler U3 is connected with the signal end PD02 of the central processing module through a resistor R14, the negative electrode of the input end of the optocoupler U3 is grounded, the positive electrode of the output end of the optocoupler U3 is connected with the control end of the thyristor Q1 and the live wire L of the commercial power alternating current 220V through a resistor R12, the negative electrode of the output end of the optocoupler U3 is connected with one end of a resistor R15, the other end of the resistor R15 is connected with the negative electrode of the thyristor Q1 and the positive electrode of a diode D7, the positive electrode of the thyristor Q1 is connected with the live wire L of the commercial power alternating current 220V, the negative electrode of the diode D7 is connected with the positive electrode of a light emitting diode D4 through a resistor R16, the zero line N of the light emitting diode D4 is connected with the surge, one end of the piezo, the other end of the surge-proof voltage dependent resistor RV1 is connected with the anode of the diode D7, the 2 pin of the interface P4 is connected with the zero line N of the commercial power alternating current 220V, the 3 pin of the interface P4 is connected with the anode of the diode D7, and the interface P4 is connected with the new energy automobile charger.
3. The intelligent charging control device for the new energy automobile as claimed in claim 2, wherein a heat sink is mounted on the thyristor Q1.
4. The intelligent charging control device for the new energy automobile as claimed in claim 2, wherein the power switch module comprises a light emitting diode D1, the signal terminal PD02 of the central processing module is connected to the anode of the light emitting diode D1 through a resistor R1, and the cathode of the light emitting diode D1 is grounded.
5. The intelligent charging control device for the new energy automobile as claimed in claim 1, wherein the heat dissipation module comprises a triode Q2 and a fan, a base of the triode Q2 is connected with the central processing module through a resistor R18, an emitter of the triode Q2 is grounded, a collector of the triode Q2 is connected with an anode of a diode D6, a cathode of the diode D6 is connected with a voltage VCC5, the other circuit is connected with a pin 2 of an interface P3, a pin 1 of the interface P3 is connected with a voltage VCC5, and the interface P3 is connected with the fan.
6. The intelligent charging control device for the new energy automobile according to claim 1, 2 or 5, wherein the central processing module comprises a single chip microcomputer U1, and the single chip microcomputer U1 adopts an STM32F103RBT6 single chip microcomputer; the display module comprises a liquid crystal display screen; the 16 pin and the 17 pin of the singlechip U1 are respectively connected with the 4 pin and the 3 pin of the interface J1, the 1 pin of the interface J1 is connected with 3.3V of voltage, the 2 pin of the interface J1 is grounded, and the interface J1 is connected with the Bluetooth communication module; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the 7 pins of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the 7 pins of the singlechip U1 is connected with 3.3V through a resistor R2, 13 pins of the singlechip U1 are connected with VDDA as well as VSSA through a capacitor C3, 1 pin, 32 pin, 48 pin, 64 pin and 19 pin of the singlechip U1 are connected with 3.3V, 31 pin, 47 pin, 63 pin and 18 pin of the singlechip U1 are grounded, 12 pin of the singlechip U1 is connected with VSSA, and 54 pin of the singlechip U1 is connected with the power switch module; pins 2, 51, 40, 39, 38, 37, 11, 10, 9 and 8 of the single chip microcomputer U1 are respectively connected with pins 33, 23, 1, 2, 3, 4, 30, 29, 31 and 34 of a display screen interface JP1, pins 5 of the display screen interface JP1 are connected with pins 7 of the single chip microcomputer U1, pins 26, 27, 28, 55, 56, 57, 58, 59, 61, 62, 29, 30, 33, 34, 35 and 36 of the single chip microcomputer U1 are respectively connected with pins 6-21 of the display screen interface JP1, pins 22, 26 and 27 of the display screen interface JP1 are grounded, pins 24 and 25 of the display screen interface JP1 are connected with voltage 3.3V, pins 28 of the display screen interface JP1 are connected with voltage 5V, and pins 28 of the display screen interface JP 24 are connected with the liquid crystal display screen 1.
7. The intelligent charging control device for the new energy automobile according to claim 1, 2 or 5, wherein the power module comprises a circuit from alternating current 220V to direct current 5V and a circuit from direct current 5V to 3.3V; the circuit for converting alternating current 220V into direct current 5V comprises a chip AP1, a non-isolated switch power supply AP8505 is adopted by the chip AP1, a live wire L of alternating current 220V of mains supply is connected with an anode of a diode D5 through a resistor R17, a cathode of a diode D5 is connected with a 4 pin of the chip AP1, a 4 pin of the chip AP1 is connected with a zero line N of alternating current 220V of mains supply through a capacitor C15, an anti-surge piezoresistor RV2 is connected between the live wire L and the zero line N of the alternating current 220V of mains supply, a 2 pin of the chip AP1 is connected with the zero line N, a 5 pin and a 6 pin of the chip AP1 are connected, a capacitor C16 is connected between the 5 pin and the 7 pin of the chip AP1, an inductor L3 is connected between the 5 pin and the 1 pin of the chip AP1, and, namely, the direct current voltage is 5V, the voltage VCC5 is connected with a zero line N through a capacitor C14, the voltage VCC5 is connected with the anode of a light-emitting diode D3, the cathode of the light-emitting diode D3 is grounded through a resistor R13, and the zero line N is grounded through a resistor R19; the direct current 5V to 3.3V circuit comprises a power conversion chip U2, an IN pin of the power conversion chip U2 is connected with a voltage 5V, a GND pin of the power conversion chip U2 is grounded, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and the ground terminal, an OUT pin of the power conversion chip U2 outputs a voltage 3.3V, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs a voltage VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected with one end of an inductor L2, and the other end of the inductor L2 is connected with a voltage VSSA.
8. The intelligent charging control device for the new energy automobile as claimed in claim 7, wherein the direct current 5V to 3.3V circuit comprises a light emitting diode D2, an anode of the light emitting diode D2 is connected to a voltage of 3.3V through a resistor R4, and a cathode of the light emitting diode D2 is grounded.
9. The control method of the intelligent charging control device of the new energy automobile according to claim 1, characterized by comprising the following steps:
firstly, opening an intelligent charging APP installed on a user mobile phone, clicking a connection equipment button, receiving Bluetooth pairing data sent by the mobile phone and performing proofreading by a Bluetooth communication module of the intelligent charging control device of the new energy automobile, and enabling the mobile phone to be connected with the Bluetooth communication module in a Bluetooth data connection mode after the proofreading is correct;
the display module displays the current time and the current state of the charging control device;
clicking an immediate charging button on the intelligent charging APP, transmitting an immediate charging instruction to the central processing module through the Bluetooth communication module, immediately sending a control signal to the power switch module by the central processing module, switching on the input end and the output end of the power switch module, providing an alternating current 220V power supply for a new energy automobile charger, charging the new energy automobile, and simultaneously displaying a charging state of 'charging start';
and fourthly, when the new energy automobile is fully charged or the charging stop button is pressed on the intelligent charging APP, the central processing module sends a control signal to the power switch module, the input end and the output end of the power switch module are cut off, the new energy automobile charger is powered off, and the new energy automobile is stopped being charged.
10. The control method of the intelligent charging control device for the new energy automobile according to claim 9, characterized by comprising a reservation charging method; the step II comprises the following steps: the mobile phone time is transmitted to the central processing module through the Bluetooth communication module, so that the time synchronization of the mobile phone and the intelligent charging control device of the new energy automobile is realized;
when charging is reserved, the third step is as follows: clicking a reserved charging button on the intelligent charging APP, transmitting a reserved charging instruction to the central processing module through the Bluetooth communication module, displaying a charging state of 'starting a reserved charging mode', operating and processing the central processing module, sending a control signal to the power switch module when the time reaches 22-point valley power, switching on the input end and the output end of the power switch module, and providing an alternating-current 220V power supply for a new energy automobile charger to charge a new energy automobile;
the fourth step is as follows: when the new energy automobile is fully charged or the time reaches the end of 8 am valley electricity in the next day, the central processing module sends a control signal to the power switch module, the input end and the output end of the power switch module are cut off, the new energy automobile charger is powered off, and the new energy automobile is stopped being charged.
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