CN205751038U - For new-energy automobile automatic charging payment control system - Google Patents

Abstract

The utility model discloses a control system for automatic charging and payment of new energy vehicles, comprising: a GPRS communication output end of a charging pile connected to a GPRS communication network data input end, a GPRS communication network data output end connected to a cloud server data input end, and a cloud server data input end The output end is connected to the data interaction end of the intelligent terminal, the wireless transmission end of the charging pile is connected to the data input end of the wireless transmission network, the data output end of the wireless transmission network is connected to the data input end of the cloud server, the data output end of the cloud server is connected to the data interaction end of the intelligent terminal, and the charging pile CAN The bus transmission end is connected to the CAN bus transmission network data input end, the CAN bus transmission data output end is connected to the cloud server data input end, the cloud server data output end is connected to the intelligent terminal data interaction end, and the new energy vehicle charging line is connected to the charging pile charging end for charging. The user sends charging instructions through the smart terminal and pays the fee, which is convenient and fast.

Description

Used in new energy vehicle automatic charging payment control system

technical field

The utility model relates to the field of electronic circuits, in particular to a control system for automatic charging and payment of new energy vehicles.

Background technique

In today's society, people are gradually consuming fossil energy, which has caused environmental pollution, atmospheric damage, and a serious decline in air quality. Especially with the popularity of traditional energy vehicles, the living environment has worsened, so new energy vehicles have emerged as the times require, but The popularity of new energy vehicles has encountered a bottleneck, which is that when users use charging piles for charging, they cannot quickly pay for charging or charge management, resulting in inconvenient use and difficulty in payment. This is an urgent need for technical personnel in the field Solve the corresponding technical problems.

Utility model content

The utility model aims at at least solving the technical problems existing in the prior art, and particularly innovatively proposes an automatic charging and payment control system for new energy vehicles.

In order to achieve the above purpose of the utility model, the utility model provides a new energy vehicle automatic charging payment control system, including: intelligent terminal, cloud server, GPRS communication network, wireless transmission network and CAN bus transmission network, and several Charging pile network formed by charging piles;

The GPRS communication output end of the charging pile is connected to the data input end of the GPRS communication network, the data output end of the GPRS communication network is connected to the data input end of the cloud server, the data output end of the cloud server is connected to the data interaction end of the intelligent terminal, and the wireless transmission end of the charging pile is connected to the data input end of the wireless transmission network terminal, the wireless transmission network data output terminal is connected to the cloud server data input terminal, the cloud server data output terminal is connected to the intelligent terminal data interaction terminal, the charging pile CAN bus transmission terminal is connected to the CAN bus transmission network data input terminal, and the CAN bus transmission data output terminal is connected to the cloud The data input terminal of the server, the data output terminal of the cloud server are connected to the data interaction terminal of the smart terminal, and the charging line of the new energy vehicle is connected to the charging terminal of the charging pile for charging.

The beneficial effects of the above technical solution are: the user sends a charging instruction through the intelligent terminal and pays the fee, which is convenient and quick. The charging pile integrates a variety of data transmission chips such as GPRS module, wireless transmission module and CAN bus controller, which can transmit charging data to the cloud server in a timely and accurate manner, and the user can perform real-time monitoring, recharge and payment through the smart terminal.

The described automatic charge payment control system for new energy vehicles preferably also includes a power distribution system:

The charging pile is equipped with a power distribution system, the power control end of the power distribution system is connected to the power control end of the charging pile, and the power supply end of the charging pile is connected to the charging end of the new energy vehicle.

The described control system for automatic charging and payment of new energy vehicles, preferably, the power distribution system includes: a power distribution cabinet, an electric meter, a leakage protector, a control board, an RF radio frequency device, a network interface, and a first touch screen;

The power supply control end of the charging pile is connected to one end of the leakage protector, and the other end of the leakage protector is connected to the power supply end of the power distribution cabinet. The switch signal end of the control board is connected to the signal end of the switching power supply, the data transmission end of the control board is connected to the data end of the wireless network interface, the wireless network interface is connected to the cloud server, the radio frequency signal receiving end of the control board is connected to the signal sending end of the RF radio frequency device, and the first touch screen displays the signal end Connect the display signal terminal of the control board.

The beneficial effect of the above technical solution is: the charging pile is managed through the power distribution system, the stable output current of the charging pile can be used to charge the new energy vehicle, and the user is protected by the leakage protector to ensure the safety of charging.

As for the automatic charging and payment control system for new energy vehicles, preferably, the control board is an ARM-based control system. The ARM architecture processor runs stably.

In the described control system for automatic charging and payment of new energy vehicles, preferably, the RF radio frequency device is an IC card reader.

For the automatic charging and payment control system for new energy vehicles, preferably, there are M smart terminals, and M is greater than or equal to 1, and there are N charging piles, and N is greater than or equal to 2. Multiple charging piles are managed through the cloud server, and the cloud server can run multiple smart terminals for data access. The smart terminals are preferably iPads, smart phones, or portable notebook computers.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

The user sends charging instructions through the smart terminal and pays the fee, which is convenient and fast. The charging pile integrates a variety of data transmission chips such as GPRS module, wireless transmission module and CAN bus controller, which can transmit charging data to the cloud server in a timely and accurate manner, and the user can perform real-time monitoring, recharge and payment through the smart terminal to ensure charging The pile works 24 hours a day without manual guarding, saving labor costs.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of the utility model for the automatic charging and payment control system of a new energy vehicle;

Fig. 2 is a schematic diagram of the utility model power distribution system;

Fig. 3 is a schematic diagram of the connection of the power interface of the utility model;

Fig. 4 is the utility model MCU control schematic diagram;

Fig. 5 is the utility model data transmission bus schematic diagram;

Fig. 6 is a schematic diagram of the data transmission bus protector of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present utility model, unless otherwise stipulated and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be The internal communication between two elements may be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

The purpose of the utility model is to charge new energy vehicles through an automatic charging and payment control system, so as to realize unattended charging and payment functions.

As shown in Figure 1, the utility model discloses a control system for automatic charging and payment of new energy vehicles, including: an intelligent terminal, a cloud server, a GPRS communication network, a wireless transmission network and a CAN bus transmission network, and several charging piles forming charging pile network;

The GPRS communication output end of the charging pile is connected to the data input end of the GPRS communication network, the data output end of the GPRS communication network is connected to the data input end of the cloud server, the data output end of the cloud server is connected to the data interaction end of the intelligent terminal, and the wireless transmission end of the charging pile is connected to the data input end of the wireless transmission network terminal, the wireless transmission network data output terminal is connected to the cloud server data input terminal, the cloud server data output terminal is connected to the intelligent terminal data interaction terminal, the charging pile CAN bus transmission terminal is connected to the CAN bus transmission network data input terminal, and the CAN bus transmission data output terminal is connected to the cloud The data input terminal of the server, the data output terminal of the cloud server are connected to the data interaction terminal of the smart terminal, and the charging line of the new energy vehicle is connected to the charging terminal of the charging pile for charging. The user sends charging instructions through the smart terminal and pays the fee, which is convenient and fast. The above-mentioned software operations such as payment through Alipay or WeChat or binding bank cards are well known to those skilled in the art.

Among them, there are M smart terminals, M is greater than or equal to 1, and there are N charging piles, and N is greater than or equal to 2.

The charging piles are also interconnected with data. When a charging pile is down or damaged, the charging pile will upload the data to the cloud server, and the cloud server will inform the user to choose other nearby charging piles.

Among them, the KS-97GPRS wireless embedded module (DTU wireless data transmission module) is preferably installed inside the charging pile as the GPRS communication device, and the wireless transmission module (preferably AR9331-AL3A) is embedded, and the CAN bus controller exchanges data with the outside world. Of course, it is not limited to the above-mentioned chip models.

As shown in Figure 2, the power distribution system used for charging new energy vehicles, each charging pile is equipped with the power distribution system, the power distribution system includes: power distribution cabinet, electricity meter, leakage protector, control board, RF radio frequency device, Network interface, the first touch screen;

The power supply control end of the charging pile is connected to the power supply end of the power distribution cabinet, the power data end of the power distribution cabinet is connected to the signal receiving end of the meter, the control signal end of the power distribution cabinet is connected to the power distribution data control end of the control board, and the switch signal end of the control board is connected to the switching power supply signal end. The data transmission end of the control board is connected to the data end of the wireless network interface, the wireless network interface is connected to the cloud server, the radio frequency signal receiving end of the control board is connected to the RF device signal sending end, and the display signal end of the first touch screen is connected to the display signal end of the control board.

Among them, the control board is an ARM architecture control system, and the preferred MCU model is MB9G711DA;

The RF radio frequency device is preferably an IC card reader, and the matching payment is performed through the IC radio frequency recharge card. When the remote intelligent terminal control system cannot pay the fee or the balance is insufficient, the IC radio frequency card can also perform the payment operation. Of course, if you choose NFC or Bluetooth near-field matching to read data, it can also be realized, and after the MCU is connected to the Bluetooth chip through the serial port, it can perform data interaction processing, and the operation is stable and reliable without manual intervention.

1. Power distribution system:

Access to single-phase power frequency AC. The leakage protector, air switch and other devices that control the power distribution cabinet, the power distribution cabinet

2. Switching system:

To provide load breaking control for the control system, it is mainly composed of a single-phase AC relay (or contactor 32A). If the control terminal of the relay cannot be directly driven by a single-chip microcomputer, a secondary switch circuit needs to be added. Cooling system if necessary

3. Ammeter

It is used to count the charging power, and can provide the real-time output status of the power to the control system

4. Charging guidance system

Support national standard 2010 and 2015 editions, collect feedback information for use by the control system

5. Control system

MCU system, obtains the information of the electric meter, controls the contactor, communicates with the on-board charger, communicates with HIMI, communicates with the network module, and realizes system logic control

6. Touch screen

A touch screen is used to interact with the user

Charging mode selection: smart charging, charging according to the amount, charging according to the amount of electricity

Charging is completed, automatic settlement

Synchronize with mobile APP operation

LED working status prompt

7. Button/indication

LED device working status, the button is used for start and stop operation in the version without touch screen

8.RF card swiping

RF card swiping card login

9. Internet access

Support WIFI, Ethernet, GPRS, CAN, RS485

10. Mobile APP

Navigate to the charging station

APP controlled charging

Recharge (Alipay, WeChat)

Synchronization of charging status

power supply system

Requirements: Provide DC power supply for the main board (5V), network communication board (5V), and touch screen (12V).

Solution: Adopt single-channel 220VAC/50Hz input, 5VDC, 12VDC dual-channel DC output AC-DC power supply module, and add peripheral circuits such as electrostatic lightning protection and electromagnetic compatibility. 5VDC can output a maximum current of 2A, and 12VDC can output a maximum current of 480mA

Meter interface

Requirements: A meter compatible with RS485 interface and with optocoupler isolated UART interface (described below)

By adjusting the interface of the ammeter, the "MCU system" can use the same interface to communicate with the ammeter respectively, and read and set the ammeter.

Solution: Configure the interface type through the 0 resistors of R86~R94

1. When connecting R8, R10, R3 and floating R6, R7, R9, R1, R2, R4, the RS485 of MAX3483 will be connected to pins 2 and 3 of JP9, and the UART3_RX pin of MCU will be connected to the UART receiving pin of MAX3483 foot. At this point, the meter interface works in RS485 mode.

2. When R8, R10, R3 are suspended and connected to R9, R1, R2, R4, the UART3_TX/UART3_RX of the MCU will be directly connected to the 2nd and 3rd pins of JP9, and the 4th pin of JP9 is connected to the high level, which can be connected through R6, R7 selects whether the JP91 pin is connected to a high level or a low level. In this way, the third pin (UART3_RX) of JP9 is an input pin. When receiving a low level, the optocoupler is disconnected, and the UART3_RX pin is pulled down to a low level by R77; when a high level is received, the optocoupler is closed, and the UART3_RX pin Pin input high level. The second pin of JP9 (UART3_TX) is the output pin, and the first pin of JP9 can form the input pair of the optocoupler, and the polarity of the optocoupler output can be selected according to R86 and R87 to achieve flexible adaptation.

In addition, the CAN bus protector is used for bus protection, and the D1 and D2 regulator tubes are connected in parallel for voltage stabilization protection, which improves the stability of CAN bus data transmission.

Network communication

The network communication of the charging pile system can choose Wifi, Ethernet or GPRS, and the MCU uses a unified interface (UART) to send and receive data to the network.

The three channels of network communication are completed by two modules: Wifi/Ethernet module and GPRS module.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. 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.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (6)

1. A control system for automatic charging and payment of new energy vehicles, characterized in that it includes: an intelligent terminal, a cloud server, a GPRS communication network, a wireless transmission network and a CAN bus transmission network, and a charging pile network formed by several charging piles; The GPRS communication output end of the charging pile is connected to the data input end of the GPRS communication network, the data output end of the GPRS communication network is connected to the data input end of the cloud server, the data output end of the cloud server is connected to the data interaction end of the intelligent terminal, and the wireless transmission end of the charging pile is connected to the data input end of the wireless transmission network terminal, the wireless transmission network data output terminal is connected to the cloud server data input terminal, the cloud server data output terminal is connected to the intelligent terminal data interaction terminal, the charging pile CAN bus transmission terminal is connected to the CAN bus transmission network data input terminal, and the CAN bus transmission data output terminal is connected to the cloud The data input terminal of the server, the data output terminal of the cloud server are connected to the data interaction terminal of the smart terminal, and the charging line of the new energy vehicle is connected to the charging terminal of the charging pile for charging. 2. The automatic charge payment control system for new energy vehicles according to claim 1, further comprising a power distribution system: The charging pile is equipped with a power distribution system, the power control end of the power distribution system is connected to the power control end of the charging pile, and the power supply end of the charging pile is connected to the charging end of the new energy vehicle. 3. The control system for automatic charging and payment of new energy vehicles according to claim 2, wherein the power distribution system includes: a power distribution cabinet, an electric meter, a leakage protector, a control board, an RF radio frequency device, and a network interface , the first touch screen; The power supply control end of the charging pile is connected to one end of the leakage protector, and the other end of the leakage protector is connected to the power supply end of the power distribution cabinet. The switch signal end of the control board is connected to the signal end of the switching power supply, the data transmission end of the control board is connected to the data end of the wireless network interface, the wireless network interface is connected to the cloud server, the radio frequency signal receiving end of the control board is connected to the signal sending end of the RF radio frequency device, and the first touch screen displays the signal end Connect the display signal terminal of the control board. 4. The control system for automatic charging and payment of new energy vehicles according to claim 3, wherein the control board is an ARM-based control system. 5. The control system for automatic charging and payment of new energy vehicles according to claim 3, wherein the RF device is an IC card reader. 6. The automatic charging and payment control system for new energy vehicles according to claim 1, wherein there are M smart terminals, M greater than or equal to 1, and N charging piles, N greater than or equal to 2.