CN106208196A - A kind of control system for Intelligent charging spot - Google Patents

Abstract

The invention discloses a control system for an intelligent charging pile, which includes a microcontroller, and the input end of the microcontroller is connected with a voltage stabilizer, a detection module, a card reader, a lightning protection device, an emergency stop button and a metering module; The output end of the microcontroller is connected with a charging module, a charging indicator light, and a leakage protector; the microcontroller is connected with an interactive interface, and the interactive interface includes an RS485 interface, an RS232 interface and a Bluetooth adapter. The invention is used to protect the charging module by setting a detection device and a leakage protector; the detection device detects the charging module and detects the charging state at the same time; indicates the charging state through the indicator light; detects the charging process through the metering module , determine the charging amount, and then calculate the charging billing information and display it on the touch screen or host computer or handheld device; set the lightning protection device to play the role of lightning protection; users can stop charging through the emergency stop button in case of emergency to protect the charging equipment.

Description

A control system for intelligent charging pile

technical field

The invention belongs to the technical field of new energy vehicles, and in particular relates to a control system for an intelligent charging pile.

Background technique

In recent years, under the environment of advocating low-carbon life and green environmental protection, the development of electric vehicles has become more and more mature. In order to ensure the normal operation of electric vehicles, it is necessary to charge electric vehicles quickly and effectively. The charging pile system is simple and occupies a small area. It is installed in electric vehicle charging stations, public parking lots, residential community parking lots, large commercial building parking lots and roadside parking spaces, etc. The charging pile is easy to operate, convenient for background monitoring and remote operation, and is the main charging equipment for electric vehicles.

However, as a charging pile is an electrical and electronic device connected between the city grid and electric vehicles, the safety of its charging process has a very important impact on both the charging pile and the electric vehicle. If an accident occurs during the charging process, it will lead to a power outage and serious It will cause damage to charging piles and electric vehicles, so the control of charging piles is of great significance.

Contents of the invention

The purpose of the present invention is to provide a control system for intelligent charging piles, which realizes automatic control by controlling the power supply module and charging module through a microcontroller; , It is convenient to observe the charging state, and solves the problems of the control of the existing charging pile and the failure of the charging pile and the electric vehicle during the charging process.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The present invention is a control system for an intelligent charging pile, including a microcontroller, the input of the microcontroller is connected with a voltage stabilizer, a detection module, a card reader, a lightning protection device, an emergency stop button and a metering module ; The output end of the microcontroller is connected with a charging module, a charging indicator light, and a leakage protector; the microcontroller is also connected with an interactive interface, and the interactive interface includes an RS485 interface, an RS232 interface and a Bluetooth adapter.

Further, the input end of the voltage stabilizer is connected to a power module for stabilizing the output voltage of the power module; the input end of the detection module is connected to the power module for collecting voltage and current signals of the power module , and then the detection module sends the voltage and current signals to the microcontroller; the microcontroller analyzes and judges the received voltage and current signals, and outputs leakage detection signals and charging state detection signals; the card reader is used to read Get user information, user information includes cardholder name, card number, balance in the card; the emergency stop button is used to stop charging in case of emergency.

Further, the microcontroller is an STM32F103 single-chip microcomputer, and the detection module adopts a voltage and current sensor.

Further, the output end of the charging module is connected to the input end of the metering module, and the metering module includes an electric energy meter and a meter, wherein the electric energy meter is used to detect the electric energy output of the charging module and record the charging quantity, and the meter is used for The charging electric quantity detected by the electric energy meter is billed and a billing signal is output, and then the metering module inputs the billing signal to the microcontroller.

Further, the microcontroller transmits the leakage detection signal and the charging state detection signal to the leakage protector and the charging indicator light respectively; the output terminal of the leakage protector is connected to the power module, and when the power module receives When the leakage detection signal is detected, the power module will automatically cut off the output; the charging indicator light includes a red light, a yellow light and a green light, wherein the yellow light is on when the charging pile is idle, the red light is on when the charging pile is charging, and the green light is on when the charging pile is charging. Charging is completed, and the charging indicator light adopts an LED light.

Further, the system also includes a host computer, the microcontroller communicates interactively with the host computer through the RS485 interface, and the microcontroller transmits the billing signal output by the metering module to the host computer, and the user learns in real time through the host computer The billing information of the charging pile, and the remote wired control of the startup or shutdown of the charging module through the upper computer, the upper computer adopts a computer or a communication management machine or a PLC or a data collector.

Further, the system also includes a touch screen, the microcontroller communicates interactively with the touch screen through the RS232 interface, the microcontroller transmits the billing signal of the metering module to the touch screen, and the user learns the billing information of the charging pile in real time through the touch screen , the user controls the startup or shutdown of the charging module through the touch screen.

Further, the system also includes a handheld device, the microcontroller interacts with the handheld device through a Bluetooth adapter, the microcontroller transmits the charging signal to the handheld device, and the user learns the charging information of the charging pile in real time through the handheld device , and carry out remote wireless control on the startup or shutdown of the charging module through the handheld device, where the handheld device includes a mobile phone and a PAD.

The present invention has the following beneficial effects:

The invention is used to protect the charging module by setting a detection device and a leakage protector. When a leakage phenomenon is detected, the leakage protector is controlled to cut off the charging module to realize the protection of the power supply line; Detect, and detect the charging state at the same time; indicate the charging state through the indicator light; detect the charging process through the metering module, determine the charging amount, and then calculate the charging billing information and display it on the touch screen or upper computer or handheld device; Lightning protection can be achieved by setting a lightning protector; during the charging process, when an emergency occurs, the user can stop charging through the emergency stop button to protect the safety of the charging device.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a system block diagram of a control system for an intelligent charging pile according to the present invention;

In the accompanying drawings, the list of parts represented by each label is as follows:

1-microcontroller, 2-power supply module, 3-voltage regulator, 4-detection module, 5-leakage protector, 6-card reader, 7-lightning protector, 8-metering module, 9-charging module, 10-charging indicator light, 11-RS485 interface, 12-host computer, 13-RS232 interface, 14-touch screen, 15-bluetooth adapter, 16-handheld device, 17-emergency stop button.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1, the present invention is a control system for an intelligent charging pile, including a microcontroller 1, the input of the microcontroller 1 is connected with a voltage stabilizer 3, a detection module 4, a card reader 6, Lightning protector 7, emergency stop button 17 and metering module 8, the input end of voltage stabilizer 3 is connected with power supply module 2, is used for carrying out voltage stabilization processing to the output voltage of power supply module 2, the input end of detection module 4 is connected with power supply module 2 connected to collect the voltage and current signals of the power module 2, and then the detection module 4 sends the voltage and current signals to the microcontroller 1; the microcontroller 1 analyzes and judges the received voltage and current signals, and then outputs the leakage current signal Detection signal and charging state detection signal; card reader 6 is used to read user information, user information includes cardholder name, card number, card balance; lightning protection device 7 is used for lightning protection of charging pile; , in case of an emergency, the charging is stopped by the emergency stop button 17, thereby protecting the charging pile. The metering module 8 includes an electric energy meter and a price meter. Billing is performed on the charging quantity detected by the electric energy meter and the billing signal is output; the microcontroller 1 adopts STM32F103 single-chip microcomputer, and the detection module 4 adopts a voltage and current sensor.

As shown in Figure 1, the output terminal of the microcontroller 1 is connected with a charging module 9, a charging indicator light 10, and a leakage protector 5, and the charging module 9 is used to connect the electric vehicle, and the electric vehicle is charged under the control of the microcontroller 1. For charging, the output end of the charging module 9 is connected to the input end of the metering module 8; the metering module 8 is used to monitor and measure the output charging power of the charging module 9 and output a billing signal, and then the metering module 8 sends the billing signal Input to the microcontroller 1; the microcontroller 1 transmits the leakage detection signal and the charging state detection signal to the leakage protector 5 and the charging indicator light 10 respectively; the output terminal of the leakage protector 5 is connected with the power module 2, when the power module 2 When receiving the leakage detection signal from the leakage protector 5, the power module 2 automatically cuts off the output to protect the charging pile and the car being charged; the charging indicator 10 includes a red light, a yellow light and a green light, and the yellow light is on when the charging pile is idle. The red light is on during the charging process, and the green light is on when the charging is completed, and the charging indicator 10 adopts an LED light.

As shown in Figure 1, wherein microcontroller 1 is also connected with interactive interface, and interactive interface comprises RS485 interface 11, RS232 interface 13 and bluetooth adapter 15, and this system also comprises upper computer 12, touch screen 14 and handheld device 16, and microcontroller 1 Through the interactive communication between the RS485 interface 11 and the upper computer 12, the microcontroller 1 transmits the billing signal output by the metering module 8 to the upper computer 12, and the user obtains the charging information of the charging pile in real time through the upper computer 12, and through the upper computer 12 Computer 12 carries out remote wired control on the startup or shutdown of the charging pile. The upper computer 12 uses a computer or communication management machine or PLC or data collector; the microcontroller 1 communicates interactively with the touch screen 14 through RS232, and the microcontroller 1 connects the metering module The billing signal of 8 is transmitted to the touch screen 14, and the user can know the billing information of the charging pile in real time through the touch screen 14, and the user controls the startup or shutdown of the charging pile through the touch screen 14; the microcontroller 1 interacts with the handheld device 16 through the Bluetooth adapter 15 Communication, the microcontroller 1 transmits the billing signal to the handheld device 16, the user obtains the billing information of the charging pile in real time through the handheld device 16, and performs remote wireless control on the startup or shutdown of the charging pile through the handheld device 16. The handheld device 16 includes a mobile phone , PAD, etc.

A specific application of this embodiment is: the power supply module 2 is protected by the detection module 4 and the leakage protector 5 arranged on the power supply module 2, and the detection module 4 sends the detected voltage and current signals to the microcontroller 1, and the microcontroller 1 The controller 1 judges the voltage and current signals; when a leakage phenomenon is detected, the microcontroller 1 controls the leakage protector 5 to act, and cuts off the output line of the power module 2, thereby realizing the protection of the power module 2; the detection module 4 is in the While detecting the power module 2 in real time, it also detects the charging state, that is, detects the output state of the power module 2, and the microcontroller 1 analyzes and judges the output state of the power module 2, and then obtains the charging state, and then controls The charging indicator 10 indicates the charging state, that is, the charging indicator 10 is yellow when the power module 2 is idle, the red light is on when the power module 2 is in the continuous output state, and the green light is on when the power module 2 is in the stop output state. Among them, the yellow light indicates that the charging pile is not connected to the charging car, the red light indicates that it is charging, and the green light indicates that the charging is completed; the metering module 8 monitors and records the output power of the charging module 9 in real time and inputs the billing signal to the microcontroller 1; The touch screen 14, the host computer 12 or the handheld device 16 display the billing signal, and the user can check and pay the fee through the touch screen 14, the host computer 12 or the handheld device 16; the lightning protection device 7 is provided for lightning protection; during the charging process Among them, when an emergency occurs, the user can stop charging through the emergency button to protect the safety of the charging pile; the charging pile is also equipped with a card reader 6 for reading the user's information, which can be used for deduction of fees, charging Parameter setting, when in use, the user first swipes the card on the card reader 6, the main controller reads the information in the card and automatically sets the charging parameters according to the read information, no manual setting is required, the operation is simple, It is easy to use. After the charging is completed, the user swipes the card again to complete the payment. The user can choose to pay in cash or by swiping the card.

In the description of this specification, descriptions with reference to the terms "one embodiment", "example", "specific example" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that the preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (8)

1. A control system for an intelligent charging pile, characterized in that: it includes a microcontroller (1), the input of the microcontroller (1) is connected to a voltage regulator (3), a detection module (4) , card reader (6), lightning protection device (7), emergency stop button (17) and metering module (8); the output end of described microcontroller (1) is connected with charging module (9), charging indicator light (10), leakage protector (5); the microcontroller (1) is also connected with an interactive interface, and the interactive interface includes an RS485 interface (11), an RS232 interface (13) and a Bluetooth adapter (15). 2. A control system for an intelligent charging pile according to claim 1, characterized in that: the input end of the voltage regulator (3) is connected to a power supply module (2), which is used to control the power supply module (2) ) output voltage is stabilized; The input terminal of the detection module (4) is connected with the power module (2) for collecting the voltage and current signal of the power module (2), and then the detection module (4) sends the voltage and current signal to the microcontroller (1 ); The microcontroller (1) analyzes and judges the received voltage and current signals, and outputs leakage detection signals and charging state detection signals; The card reader (6) is used to read user information, and the user information includes the cardholder's name, card number, and balance in the card; the emergency stop button (17) is used to stop charging in an emergency. 3. A control system for an intelligent charging pile according to claim 1 or 2, characterized in that: the microcontroller (1) is an STM32F103 single-chip microcomputer, and the detection module (4) is a voltage and current sensor. 4. A control system for an intelligent charging pile according to claim 1, characterized in that: the output end of the charging module (9) is connected to the input end of the metering module (8), and the metering module ( 8) comprising an electric energy meter and a meter, wherein the electric energy meter is used to detect the electric energy output of the charging module (9) and record the charging quantity, and the meter is used to bill the charging quantity detected by the electric energy meter and output a billing signal, Then the metering module (8) inputs the billing signal to the microcontroller (1). 5. A control system for an intelligent charging pile according to claim 1, characterized in that: The microcontroller (1) transmits the leakage detection signal and the charging state detection signal to the leakage protector (5) and the charging indicator light (10) respectively; The output end of the leakage protector (5) is connected to the power module (2), and when the power module (2) receives the leakage detection signal from the leakage protector (5), the power module (2) will automatically cut off output; The charging indicator light (10) includes a red light, a yellow light and a green light, wherein the yellow light indicates that the charging pile is idle, the red light indicates the charging state of the charging pile, and the green light indicates that the charging is completed. The charging indicator light (10) adopts LED lights. 6. A control system for intelligent charging piles according to claim 1, characterized in that: the system also includes a host computer (12), and the microcontroller (1) communicates with the host computer through the RS485 interface (11) The computer (12) communicates interactively, the microcontroller (1) transmits the billing signal output by the metering module (8) to the host computer (12), and the user learns the billing of the charging pile in real time through the host computer (12) information, and carry out remote wired control to the startup or shutdown of the charging module (9) through the host computer (12), and the host computer (12) adopts a computer or a communication management machine or a PLC or a data collector. 7. A control system for intelligent charging piles according to claim 1, characterized in that: the system also includes a touch screen (14), and the microcontroller (1) communicates with the touch screen ( 14) Interactive communication, the microcontroller (1) transmits the billing signal of the metering module (8) to the touch screen (14), and the user learns the billing information of the charging pile in real time through the touch screen (14), and the user passes the touch screen ( 14) Controlling the startup or shutdown of the charging module (9). 8. A control system for intelligent charging piles according to claim 1, characterized in that: the system also includes a handheld device (16), and the microcontroller (1) communicates with the handheld device through a Bluetooth adapter (15) The device (16) communicates interactively, the microcontroller (1) transmits the charging signal to the handheld device (16), and the user obtains the charging information of the charging pile in real time through the handheld device (16), and through the handheld device (16) The remote wireless control is carried out on the startup or shutdown of the charging module (9), wherein the handheld device (16) includes a mobile phone and a PAD.