CN113978285A - Circuit board device for AC/DC integrated charging pile and charging device - Google Patents

Circuit board device for AC/DC integrated charging pile and charging device Download PDF

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Publication number
CN113978285A
CN113978285A CN202111171677.8A CN202111171677A CN113978285A CN 113978285 A CN113978285 A CN 113978285A CN 202111171677 A CN202111171677 A CN 202111171677A CN 113978285 A CN113978285 A CN 113978285A
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CN
China
Prior art keywords
charging
power supply
direct current
module
control module
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Pending
Application number
CN202111171677.8A
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Chinese (zh)
Inventor
梁伟峰
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Guangzhou Libai New Energy Technology Co ltd
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Guangzhou Libai New Energy Technology Co ltd
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Priority to CN202111171677.8A priority Critical patent/CN113978285A/en
Publication of CN113978285A publication Critical patent/CN113978285A/en
Pending legal-status Critical Current

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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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for 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
    • B60L53/10—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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 discloses a circuit board device for an alternating current-direct current integrated charging pile, which comprises a main control board arranged in the charging pile, wherein the main control board is provided with a power supply module, a charging control module, a charging main control module, a direct current charging connecting device and an alternating current charging connecting device; the charging control module is electrically connected with the charging main control module and is used for issuing a charging control instruction to the charging main control module so as to control the working state of the direct current charging gun or the alternating current charging pile; the charging main control module is also electrically connected with the direct current charging module and used for controlling the direct current charging module to convert an alternating current power supply signal input by an external input power supply into a direct current power supply signal when the direct current charging gun is started; the power supply module comprises a plurality of power supply modules which respectively provide power supplies for different functional modules. The invention has the function of AC/DC integrated charging, and simultaneously, the circuit design is simple, and the circuit cost is saved. The invention also discloses an alternating current and direct current integrated charging device.

Description

Circuit board device for AC/DC integrated charging pile and charging device
Technical Field
The invention relates to a charging pile, in particular to a circuit board device for an alternating current and direct current integrated charging pile and a charging device.
Background
With the popularization of electric vehicles, more and more users select electric vehicles. However, as a matched charging pile for an electric automobile, the charging pile is relatively disordered on the market, and the circuit design of the main control board of most charging piles is complex, and the charging pile cannot support alternating current and direct current integrated charging.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a circuit board device for an ac/dc integrated charging pile, which can implement ac/dc integrated charging and has a simple circuit structure design.
Another object of the present invention is to provide an ac/dc integrated charging device which can realize ac/dc integrated charging and has a simple circuit structure.
One of the purposes of the invention is realized by adopting the following technical scheme:
a circuit board device for an AC/DC integrated charging pile comprises a charging pile main body and a charging gun arranged on the charging pile main body, wherein the charging gun comprises a DC charging gun and an AC charging gun; the circuit board device comprises a main control board arranged in the charging pile main body, and a power supply module, a charging control module, a charging main control module, a direct current charging connecting device and an alternating current charging connecting device are arranged on the main control board;
one end of the direct current charging module is connected with an external input power supply, and the other end of the direct current charging module is electrically connected with the direct current charging gun through the direct current charging connecting device and is used for converting an alternating current power supply signal input by the external input power supply into a direct current power supply signal and outputting the direct current power supply signal to a charging vehicle through the direct current charging gun; one end of the alternating current charging connecting device is electrically connected with an external input power supply, and the other end of the alternating current charging connecting device is electrically connected with the alternating current charging gun and used for outputting an alternating current power supply signal input by the external input power supply to a charging vehicle through the alternating current charging gun;
the charging control module is electrically connected with the charging main control module and is used for sending a charging control instruction to the charging main control module so as to control the working state of the direct current charging gun or the alternating current charging pile; the charging main control module is also electrically connected with the direct current charging module and used for controlling the direct current charging module to convert an alternating current power supply signal input by an external input power supply into a direct current power supply signal when the direct current charging gun is started;
the power supply module comprises an auxiliary power supply module, a system power supply module and a control power supply module; the input end of the system power supply module is connected with an external input power supply, and the output end of the system power supply module is electrically connected with the charging control module; the input end of the control power supply module is connected with an external input power supply, and the output end of the control power supply module is electrically connected with the charging main control module; the input end of the auxiliary power supply module is connected with an external input power supply, and the output end of the auxiliary power supply module is electrically connected with the direct-current charging connecting device.
Furthermore, a lightning protection device is arranged on the main control panel; the lightning protection device is fixed on the main control panel and electrically connected with the external input power supply and used for absorbing energy generated when the charging pile is struck by lightning.
Furthermore, an alternating current contactor is arranged between the alternating current charging connecting device and an external input power supply; and a direct current relay is arranged between the direct current charging connecting device and the direct current charging module.
Furthermore, a first leakage circuit breaker is arranged between the alternating current contactor and an external input power supply; and an incoming line molded case circuit breaker is arranged between the direct current charging module and an external input power supply.
Further, a direct current electric meter is arranged between the direct current charging connecting device and the direct current charging module; the direct current electric meter is electrically connected with the charging control module and is used for collecting electric energy data output to a charging vehicle by the direct current charging connecting device and uploading the electric energy data to the charging control module; an alternating current electric energy meter is arranged between the alternating current contactor and the first leakage circuit breaker; the alternating current electric energy meter is connected with the charging control module and used for collecting electric energy data output to a charging vehicle by the alternating current charging connecting device and uploading the electric energy data to the charging control module;
a direct current shunt is arranged between the direct current charging module and the direct current charging connecting device; and two ends of the direct current watt-hour meter are respectively and electrically connected with two ends of the direct current shunt.
Furthermore, the alternating current electric energy meter and the direct current electric energy meter are electrically connected with the charging control module through corresponding RS485 interface circuits respectively.
Furthermore, a second electric leakage breaker is arranged between the power supply module and an external input power supply.
Furthermore, the alternating current and direct current integrated charging pile further comprises an indicator light, an emergency switch, an electronic lock and a temperature sensor; the indicating lamp, the emergency switch, the electronic lock and the temperature sensor are respectively electrically connected with the charging main control module; the charging main control module is used for acquiring the emergency switch state, the electronic lock state, the indicator light state and the temperature data of the temperature sensor and uploading the temperature data to the charging control module; the charging main control module is electrically connected with the charging control module through a CAN bus interface circuit; the electronic lock is arranged on the charging gun and used for locking the charger when charging is started.
Furthermore, a metering module is also arranged on the main control board; the metering module is electrically connected with the charging control module and used for receiving the electric energy data of the direct current electric energy meter and the alternating current electric energy meter sent by the charging control module, calculating the electric quantity according to a preset formula and then sending the calculation result to the charging control module for charging; the alternating current and direct current integrated charging pile further comprises a card reader, a combined antenna, audio equipment and a touch screen; the charging control module acquires user card information through a card reader; the charging control module is in communication connection with the remote background control center through the combined antenna and is used for uploading charging data to the background control center and receiving a control command issued by the remote background control center; and the charging control module is electrically connected with the touch screen and used for finding the working state data of the charging pile by the touch screen and displaying the working state data by the touch screen.
The second purpose of the invention is realized by adopting the following technical scheme:
an ac/dc integrated charging apparatus includes a circuit board apparatus for an ac/dc integrated charging pile according to one of the objects of the present invention.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, direct current charging and alternating current charging are integrated into one charging pile, and meanwhile, the function of charging alternating current and direct current integrally can be realized by arranging the direct current charging module; meanwhile, a plurality of power supply modules are arranged on a main control board of the charging pile, so that different functional modules can independently supply power, and the normal operation of the functional modules is ensured; meanwhile, the circuit of the invention has simple design and saves the circuit cost.
Drawings
Fig. 1 is a schematic connection diagram of each circuit module on a main control board of a circuit board device for an ac/dc integrated charging pile and each module of the charging pile, according to the present invention;
FIG. 2 is a schematic circuit diagram of a 12V to 5V power module;
FIG. 3 is a schematic circuit diagram of a 12V to 3.3V power module;
FIG. 4 is a circuit diagram of a USB interface circuit;
fig. 5 is a circuit schematic diagram of an RS485 interface circuit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example one
The invention provides a circuit board device for an alternating current-direct current integrated charging pile, wherein the charging pile comprises a charging pile main body and a charging gun arranged on the charging pile main body.
The rifle that charges includes direct current rifle and the rifle that charges of interchange, and wherein, direct current rifle that charges is used for charging of direct current equipment, and the rifle that charges of interchange is used for charging of interchange equipment.
As shown in fig. 1, the circuit board device includes a main control board disposed in the charging column main body, and the main control board is provided with a charging control module, a charging main control module CCU, a dc charging module AU, a dc charging connection device 2VP, an ac charging connection device 1VP, and a power supply module.
One end of the direct current charging module AU is connected with an external input power supply, and the other end of the direct current charging module AU is electrically connected with the direct current charging connecting device 2VP, and is used for converting an alternating current power supply signal input by the external input power supply into a direct current power supply signal and outputting the direct current power supply signal to the direct current charging gun through the direct current charging connecting device 2VP so as to charge a charging vehicle.
The ac charging connection device 1VP is electrically connected to an external input power source, and is configured to output an ac power signal input by the external input power source to the ac charging gun, thereby charging the charging vehicle.
Preferably, the charging control module is electrically connected to the charging main control module CCU and configured to issue a charging control instruction to the charging main control module CCU to control a working state of the dc charging gun or the ac charging pile.
The charging main control module CCU is electrically connected with the direct current charging module AU and is used for controlling the direct current charging module AU to convert an alternating current power supply signal input by an external input power supply into a direct current power supply signal when the direct current charging gun is started.
Preferably, the power supply module comprises an auxiliary power supply module, a system power supply module and a control power supply module. The charging control module is electrically connected with the charging control module and the charging control module, wherein the input end of the system power supply module is connected with an external input power supply, and the output end of the system power supply module is electrically connected with the charging control module and provides a power supply for the charging control module. The input end of the control power supply module is connected with an external input power supply, and the output end of the control power supply module is electrically connected with the charging main control module CCU, so that a power supply is provided for the charging main control module CCU. The input end of the auxiliary power supply module is connected with an external input power supply, and the output end of the auxiliary power supply module is electrically connected with the direct current charging connecting device 2VP and used for providing a power supply for the direct current charging connecting device 2 VP.
Each power module in the invention has the functions of overvoltage and overcurrent protection, short circuit protection, lightning protection, surge protection and interference resistance.
Preferably, an earth leakage breaker is further arranged between the power supply module and the external input power supply. That is, a second leakage breaker QF2 is disposed between the auxiliary power module, the system power module, the control power module, and the external input power. Specifically, the second leakage breaker QF2 is a miniature leakage breaker, and the stability of power signals can be ensured by arranging the leakage breaker.
Preferably, the main control panel is further provided with a lightning protection device FV. Lightning protection device FV is fixed in and locates the main control board, one end and external input power electric connection, other end ground connection for absorb the energy that the thunderbolt produced when filling electric pile and being struck by lightning, play the lightning protection effect. When filling electric pile by the thunderbolt, absorb the energy of thunderbolt and spread into the ground through lightning protection ware FV to guarantee to fill electric pile not by the thunderbolt, avoid the problem of damage.
Further, an alternating current contactor KM is arranged between the alternating current charging connecting device 1VP and an external input power source, and starting and stopping of the alternating current charging gun are achieved through the alternating current contactor KM. Similarly, a dc relay K1 is provided between the dc charging connection device 2VP and the dc charging module AU.
Further, a first leakage breaker QF1 is arranged between the external input power source and the alternating current contactor KM and used for leakage-proof detection. When electric leakage occurs in the circuit, the circuit is controlled to be powered off through the first electric leakage breaker QF1, and the protection of the charging vehicle is realized. In particular, the first residual current circuit breaker QF1 is a miniature residual current circuit breaker.
Further, an incoming line molded case circuit breaker QF3 is arranged between the dc charging module AU and the external input power source for ensuring the stability of the input ac power signal and the safety of circuit operation.
More preferably, an ac power meter 1PJ is provided between the first leakage breaker QF1 and the ac contactor KM. The alternating current electric energy meter 1PJ is electrically connected with the charging control module and used for collecting electric energy data of the alternating current charging connection device 1VP during working and uploading the electric energy data to the charging control module.
Similarly, a direct current electric meter 2PJ is arranged between the direct current charging module AU and the direct current charging connection device 2 VP. The direct current electric meter 2PJ is electrically connected with the charging control module and used for collecting electric energy data of the direct current charging connecting device 2VP during working and uploading the electric energy data to the charging control module.
As shown in fig. 1, one end of the DC relay K1 is electrically connected to the DC + port of the DC charging module AU, and the other end is electrically connected to the DC charging connection device 2 VP. One end of the direct current electric meter 2PJ is electrically connected with the DC-port of the direct current charging module AU, and the other end is electrically connected with the direct current charging connection device 2 VP.
More specifically, in practical application, the dc charging connection device 2VP and the charging gun may be integrally designed to form a dc charging gun; the AC charging connection device 1VP and the charging gun are designed into an integral body to form the AC charging gun.
Preferably, the direct current meter 2PJ is electrically connected with the charging control module through an RS485 interface circuit.
Further, a dc shunt RS is arranged between the dc charging module and the dc charging connection device 2 VP. Two ends of the direct current electric meter 2PJ are respectively and electrically connected with two ends of the direct current shunt RS so as to ensure the stable operation of the direct current electric meter 2 PJ.
Preferably, the dc charging module AU is further electrically connected to the charging control module through a CAN bus interface circuit, and is configured to perform data interaction with the charging control module. Because the voltages required by different vehicles are different, the dc charging module AU is further configured to convert the ac power signal into a dc power signal with a corresponding voltage according to the information of the charging vehicle.
Preferably, the charging control module is further electrically connected with the charging main control module CCU through a CAN bus interface circuit, and is configured to perform data interaction with the charging main control module CCU.
Preferably, the charging main control module CCU is further electrically connected to the ac charging connection device 1VP and the dc charging connection device 2VP, and is configured to control operating states of the dc charging connection device 2VP and the ac charging connection device 1 VP.
Preferably, fill electric pile still includes pilot lamp, emergency switch, electronic lock, temperature sensor. The indicating lamp, the emergency switch, the electronic lock and the temperature sensor are respectively electrically connected with the charging main control module CCU. Fill electric pile still includes radiator fan for charge the heat dissipation of master control module. The electronic lock is installed on the rifle that charges for to the charger lock operation when starting to charge, avoid in the charging process, the rifle that charges drops, produces the electric leakage risk and influences the scheduling problem that charges.
The charging main control module CCU is also used for acquiring the emergency switch state, the entrance guard switch state, the electronic lock state, the indicator lamp state and the temperature data of the temperature sensor and uploading the temperature data to the charging control module.
Specifically, the charging main control module CCU controls the indicator lamp to display the corresponding state according to the working state of the charging pile by acquiring the working state of the indicator lamp.
The charging main control module CCU is electrically connected with an emergency switch of the charging pile and used for acquiring the closing state of the emergency stop switch. The emergency shutdown and the like can be realized by arranging an emergency switch.
When the charging main control module CCU is also connected with the direct current charging connection device 2VP, the charging main control module CCU acquires an electronic lock interface board, positive and negative pole column temperatures, an electronic lock state, and the like, acquires charging data of the direct current charging connection device 2VP, and confirms connection of the direct current charging connection device 2 VP.
Preferably, fill electric pile still includes combination antenna, card reader, audio equipment, display screen and measurement module. The metering module is arranged on the main control board, is electrically connected with the charging control module, and is used for receiving the collected data of the alternating current electric energy meter 1PJ and the direct current electric energy meter 2PJ sent by the charging control module, calculating the electric quantity, and sending the calculation result to the charging control module for charging.
The card reader can be installed on the shell of the charging pile, and can also be installed outside the charging pile independently. The card reader is used for acquiring the user card information and forwarding the user card information to the charging control module, so that the charging control module judges the legality of the user card information to realize the card swiping and charging function.
The audio equipment is electrically connected with the charging control module and used for playing voice. For example, when the card swiping failure occurs, or the charging starts and ends, the charging control module can send a prompt sound to the user through the audio device to remind the user.
The display screen is electrically connected with the charging control module and used for receiving and displaying the related data sent by the charging control module. Preferably, the display screen is a touch screen. The display screen can also be provided with a corresponding virtual key, such as a VIN start charging key. When a user starts charging by adopting the VIN code, the VIN start charging key on the display screen can be touched firstly, and the VIN start charging function can be realized.
The charging control module is in communication connection with a remote background control center through a combined antenna and is used for data interaction with the background control center. Specifically, the working state data of the charging pile is uploaded to a background control center, or a remote charging starting instruction sent by the background control center is received to start charging, or a firmware upgrading command sent by the background control center is received to realize firmware upgrading of the charging pile and the like.
Preferably, the direct current module AU that charges is the module that charges of 20KW, adopts the module that charges of large capacity, can realize the demand that charges of direct current equipment.
Preferably, the charge master control module CCU in the present invention is implemented by a single chip microcomputer, and the model of the single chip microcomputer is STM32F429ZGT 6. The chip model of the first main controller is STM32F429ZGT6, and is a 32-bit high-performance processor with a Cortex-M4 kernel, the dominant frequency is up to 180MHz, and the first main controller is provided with 256KB SRAM and 2MB Flash.
Preferably, the charging master control module CCU is also electrically connected with the dc charging connection device 2VP through the BMS communication module.
More specifically, the power modules in this embodiment can be further divided into a 12V to 3.3V power module and a 12V to 5V power module according to different conversion voltages. And the power supply module for converting 12V into 5V is used for supplying power to the CAN bus interface circuit and the RS485 interface circuit. And the power supply module for converting 12V into 3.3V is used for supplying power to the system switching circuit.
Preferably, the 12V to 5V power module, as shown in fig. 2, includes a chip U1, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a capacitor C10, a capacitor C19, and a capacitor C20. The port 2 of the chip U1 is connected with a 12V power supply, the port 6 is grounded through a resistor R5, the port 2 is also connected between the resistor R5 and the port 6 of the chip U1 through a resistor R4, the port 7 is grounded through a capacitor C19, the port 7 is also grounded through a resistor R7 and a resistor R10, the port 1 is connected between the resistor R7 and a resistor R10, the port 4 is grounded, the port 5 is electrically connected with the port 3 of the chip U1 through a resistor R6 and a capacitor C10, the port 3 outputs a 5V power supply through an inductor L1, and the port 8 is grounded through a resistor R9 and a resistor R11. One end of the resistor R8 is connected between the resistor R9 and the resistor R11, and the other end is electrically connected to the port 2 of the inductor L1. One end of the capacitor C20 is electrically connected to one end of the resistor R8, and the other end is electrically connected to the other end of the resistor R8.
Preferably, the 12V to 3.3V power module, as shown in fig. 3, includes a chip U2, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a capacitor C33, a capacitor C34, and a capacitor C35. The port 2 of the chip U2 is connected with a 12V power supply, the port 6 is grounded through a resistor R14, the port 2 is also connected between the resistor R14 and the port 6 of the chip U1 through a resistor R124, the port 7 is grounded through a capacitor 34, the port 7 is also grounded through a resistor R15 and a resistor R18, the port 1 is connected between a resistor R15 and a resistor R18, the port 4 is grounded, the port 5 is electrically connected with the port 3 of the chip U2 through a resistor R13 and a capacitor C33, the port 3 outputs 3.3V power supply through an inductor L2, and the port 8 is grounded through a resistor R17 and a resistor R19. One end of the resistor R16 is connected between the resistor R17 and the resistor R19, and the other end is electrically connected to the port 2 of the inductor L2. One end of the capacitor C35 is electrically connected to one end of the resistor R16, and the other end is electrically connected to the other end of the resistor R16.
Preferably, the controller main control board is further provided with a USB interface circuit for supporting USB flash disk upgrading and equipment maintenance; meanwhile, the USB interface circuit can be externally connected with a USB interface acquisition device for acquiring data. As shown in fig. 4, the USB interface circuit includes a USB interface USB1, an ac FUSE2, a diode D20, a diode D21, a capacitor CT33, and a capacitor C91. The port 1 of the USB interface USB1 is connected to a 5V power supply through an AC connector FUSE 2. The port 2 and the port 3 of the USB interface USB1 are respectively connected to the signals HS _ DM and HS _ DP, and are electrically connected to the charging control module.
The port 4 of the USB1 interface is grounded, the port 1 is also grounded through the capacitor CT33 and the capacitor C91, the port 2 is grounded through the diode D21, and the port 3 is grounded through the diode D20.
Preferably, the RS485 interface circuit, as shown in fig. 5, includes a chip U20, a resistor R83, a resistor R86, a resistor R80, a resistor R81, a resistor R84, a diode D17, a diode D18, a diode D19, and a transistor Q2. The port 1 of the chip U20 is connected with a 3.3V power supply, the ports 2, 8 and 9 are grounded, the ports 15, 10 and 9 are grounded, the ports 3 and 6 are electrically connected with the charging control module, the port 13 is electrically connected with the RS485 interface B, and the port 12 is electrically connected with the RS485 interface A. The port 12 and the port 13 of the chip U20 are respectively and electrically connected with the direct current electric meter 2PJ and the alternating current electric energy meter 1PJ, and are used for collecting data and uploading the data to the charging control module.
The port 1 of the chip U20 is also electrically connected to the collector of the transistor Q2 through a resistor R80, and the emitter and the base of the transistor Q2 are grounded and electrically connected to the port 6 of the chip U20 through a resistor R85. The base of transistor Q2 is also connected to ground through resistor R86.
The RS4_ CON signal is accessed to the ports 4 and 5 of the chip U20 through the resistor R83, and is used for starting the RS485 interface circuit.
The port 16 of the chip U20 is connected to VDD _ RS, and the ports 14 and 11 are suspended.
The port 1 of the diode D17 is electrically connected to the port 13 of the chip U20, and the port 2 is electrically connected to the port 12 of the chip U20.
The ports 1 of the diodes D18 and D19 are grounded, the port 2 of the diode D18 is electrically connected to the port 12 of the chip U20, and the port 2 of the diode D19 is electrically connected to the port 13 of the chip U20.
Port 12 of chip U20 is connected to VDD _ RS through resistor R84, and port 13 is connected to GND _ RS through resistor R81. The VDD _ RS refers to an RS485 power supply and can be obtained by conversion of a power module of the system.
Preferably, the integrative electric pile that fills of alternating current-direct current still is equipped with external memory, through expanding the memory of large capacity, can store more data.
In addition, the invention also provides a control flow of direct current charging: when the direct current rifle that charges inserts the access vehicle that charges, fill electric pile and detect the direct current rifle that charges and insert the vehicle that charges, start the electronic lock locking direct current rifle that charges this moment, avoid the direct current rifle that charges to drop. And then, a relay of the auxiliary power supply module is closed, so that the direct-current charging gun is connected with electricity to establish communication connection with the charging vehicle, and the charging parameters of the charging vehicle are obtained. After the charging main control module CCU acquires the charging parameters through the direct current charging gun, the direct current charging module AU is controlled to convert the alternating current power supply signal into a direct current power supply signal with corresponding voltage and to convey the direct current charging gun through the direct current charging connecting device 2VP, so that the charging vehicle is charged. Meanwhile, before the direct current charging module AU performs alternating current-direct current conversion, the direct current relay K1 is also closed.
For the ac charging process, specifically: when the system detects that the alternating current charging gun is plugged into the charging vehicle, the charging main control module CCU switches the charging pile into a PWM mode through the CP interface, closes the alternating current relay KM, starts charging, and outputs an alternating current power supply signal to the charging vehicle through the alternating current charging gun through the alternating current charging connecting device 1 VP.
In the charging process, the charging main control module CCU also acquires charging data in real time, sends the charging data to the charging control module, displays or stores the charging data through the display screen, and uploads the charging data to the remote background control center. Meanwhile, the charging control module also obtains electric energy data through the direct current watt-hour meter 2PJ or the alternating current watt-hour meter 1PJ to carry out operations such as electric quantity calculation, charging and the like.
Meanwhile, in the charging process, the operation safety and the leakage protection of the whole circuit can be ensured through the arranged circuit breaker.
Example two
Based on the first embodiment, the invention further provides another embodiment, and the alternating current and direct current integrated charging device comprises the circuit board device of the alternating current and direct current integrated charging pile provided in the first embodiment.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A circuit board device for an AC/DC integrated charging pile comprises a charging pile main body and a charging gun arranged on the charging pile main body, wherein the charging gun comprises a DC charging gun and an AC charging gun; the charging pile is characterized in that the circuit board device comprises a main control board arranged in the charging pile main body, and a power supply module, a charging control module, a charging main control module, a direct current charging connecting device and an alternating current charging connecting device are arranged on the main control board;
one end of the direct current charging module is connected with an external input power supply, and the other end of the direct current charging module is electrically connected with the direct current charging gun through the direct current charging connecting device and is used for converting an alternating current power supply signal input by the external input power supply into a direct current power supply signal and outputting the direct current power supply signal to a charging vehicle through the direct current charging gun; one end of the alternating current charging connecting device is electrically connected with an external input power supply, and the other end of the alternating current charging connecting device is electrically connected with the alternating current charging gun and used for outputting an alternating current power supply signal input by the external input power supply to a charging vehicle through the alternating current charging gun;
the charging control module is electrically connected with the charging main control module and is used for sending a charging control instruction to the charging main control module so as to control the working state of the direct current charging gun or the alternating current charging pile; the charging main control module is also electrically connected with the direct current charging module and used for controlling the direct current charging module to convert an alternating current power supply signal input by an external input power supply into a direct current power supply signal when the direct current charging gun is started;
the power supply module comprises an auxiliary power supply module, a system power supply module and a control power supply module; the input end of the system power supply module is connected with an external input power supply, and the output end of the system power supply module is electrically connected with the charging control module; the input end of the control power supply module is connected with an external input power supply, and the output end of the control power supply module is electrically connected with the charging main control module; the input end of the auxiliary power supply module is connected with an external input power supply, and the output end of the auxiliary power supply module is electrically connected with the direct-current charging connecting device.
2. The circuit board device for the AC/DC integrated charging pile according to claim 1, wherein a lightning protection device is arranged on the main control board; the lightning protection device is fixed on the main control panel and electrically connected with the external input power supply and used for absorbing energy generated when the charging pile is struck by lightning.
3. The circuit board device for the AC/DC integrated charging pile according to claim 1, wherein an AC contactor is arranged between the AC charging connection device and an external input power supply; and a direct current relay is arranged between the direct current charging connecting device and the direct current charging module.
4. The circuit board device for the AC-DC integrated charging pile according to claim 3, wherein a first leakage breaker is arranged between the AC contactor and an external input power supply; and an incoming line molded case circuit breaker is arranged between the direct current charging module and an external input power supply.
5. The circuit board device for the AC/DC integrated charging pile according to claim 4, wherein a DC electric meter is arranged between the DC charging connecting device and the DC charging module; the direct current electric meter is electrically connected with the charging control module and is used for collecting electric energy data output to a charging vehicle by the direct current charging connecting device and uploading the electric energy data to the charging control module; an alternating current electric energy meter is arranged between the alternating current contactor and the first leakage circuit breaker; the alternating current electric energy meter is connected with the charging control module and used for collecting electric energy data output to a charging vehicle by the alternating current charging connecting device and uploading the electric energy data to the charging control module;
a direct current shunt is arranged between the direct current charging module and the direct current charging connecting device; and two ends of the direct current watt-hour meter are respectively and electrically connected with two ends of the direct current shunt.
6. The circuit board device for the AC/DC integrated charging pile according to claim 5, wherein the AC electric energy meter and the DC electric energy meter are electrically connected with the charging control module through corresponding RS485 interface circuits respectively.
7. The circuit board device for the AC/DC integrated charging pile according to claim 1, wherein a second leakage breaker is arranged between the power module and an external input power source.
8. The circuit board device for the AC/DC integrated charging pile according to claim 1, wherein the AC/DC integrated charging pile further comprises an indicator light, an emergency switch, an electronic lock and a temperature sensor; the indicating lamp, the emergency switch, the electronic lock and the temperature sensor are respectively electrically connected with the charging main control module; the charging main control module is used for acquiring the emergency switch state, the electronic lock state, the indicator light state and the temperature data of the temperature sensor and uploading the temperature data to the charging control module; the charging main control module is electrically connected with the charging control module through a CAN bus interface circuit; the electronic lock is arranged on the charging gun and used for locking the charger when charging is started.
9. The circuit board device for the alternating-current and direct-current integrated charging pile according to claim 1, wherein a metering module is further arranged on the main control board; the metering module is electrically connected with the charging control module and used for receiving the electric energy data of the direct current electric energy meter and the alternating current electric energy meter sent by the charging control module, calculating the electric quantity according to a preset formula and then sending the calculation result to the charging control module for charging; the alternating current and direct current integrated charging pile further comprises a card reader, a combined antenna, audio equipment and a touch screen; the charging control module acquires user card information through a card reader; the charging control module is in communication connection with the remote background control center through the combined antenna and is used for uploading charging data to the background control center and receiving a control command issued by the remote background control center; and the charging control module is electrically connected with the touch screen and used for finding the working state data of the charging pile by the touch screen and displaying the working state data by the touch screen.
10. A charging device for ac/dc integrated charging, comprising a circuit board device for an ac/dc integrated charging post according to any one of claims 1 to 9.
CN202111171677.8A 2021-10-08 2021-10-08 Circuit board device for AC/DC integrated charging pile and charging device Pending CN113978285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111171677.8A CN113978285A (en) 2021-10-08 2021-10-08 Circuit board device for AC/DC integrated charging pile and charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111171677.8A CN113978285A (en) 2021-10-08 2021-10-08 Circuit board device for AC/DC integrated charging pile and charging device

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CN202111171677.8A Pending CN113978285A (en) 2021-10-08 2021-10-08 Circuit board device for AC/DC integrated charging pile and charging device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742807A (en) * 2022-05-25 2023-03-07 广州联航科电气机械有限公司 Vertical double-gun charging equipment for electric automobile
CN116061733A (en) * 2023-03-14 2023-05-05 广东天枢新能源科技有限公司 Charging pile compatible with high-low voltage output and charging method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742807A (en) * 2022-05-25 2023-03-07 广州联航科电气机械有限公司 Vertical double-gun charging equipment for electric automobile
CN116061733A (en) * 2023-03-14 2023-05-05 广东天枢新能源科技有限公司 Charging pile compatible with high-low voltage output and charging method

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