Data transmission system for alternating current charging pile electricity meter

Abstract

The utility model relates to a data transmission system of an alternating current charging pile electricity meter, which is provided with a charging pile and an electricity meter which are matched with each other, and comprises a relay module, a control module, an RS485 to Ethernet module, a communication module and a server, the relay module, the control module, the RS485-to-Ethernet module, the communication module and the server are all arranged on the charging pile; the relay module is composed of two master relays and one slave relay; a slave station port of the relay module is connected with an electric meter through a data link, one master station of the relay module is connected with a 485 interface of the RS485-to-Ethernet module through a data link, and the other master station of the relay module is connected with the control module through a data link. The data transmission system has the beneficial effects that the designed data transmission system of the alternating current charging pile electric meter can realize simultaneous communication between the electric meter and the control module as well as between the electric meter and the server, so that the problems of unstable data transmission, easy data loss and data conflict are avoided; dependence on a control module can be reduced, and data transmission stability can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of AC charging piles, and in particular relates to a data transmission system for an AC charging pile electric meter. Background Art

[0002] In practical applications, it is necessary to collect and process the meter data of the AC charging pile and monitor the power consumption status of the charging pile in real time. Currently, the meter data of the AC charging pile is read by the control module, and then the data is uploaded to the server through the 4G module to monitor the status of the charging pile in real time.

[0003] However, the existing method of collecting and uploading meter data is highly dependent on the control module. If the control module fails, the meter data cannot be obtained through other means. It lacks reliability and stability, has a long transmission time, and is prone to data loss. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a data transmission system for an AC charging pile electric meter, which reduces the dependence on a control module and can improve the stability of data transmission when the charging pile device, the server and the electric meter communicate simultaneously.

[0005] The data transmission system for AC charging pile electric meter is provided with a matching charging pile and electric meter, and the data transmission system comprises: a relay module, a control module, an RS485 to Ethernet module, a communication module and a server; the relay module, the control module, the RS485 to Ethernet module, the communication module and the server are all arranged on the charging pile;

[0006] The relay module is a two-master and one-slave repeater;

[0007] The slave port of the relay module is connected to the electric meter through a data link, one of the master stations of the relay module is connected to the 485 interface of the RS485 to Ethernet module through a data link, and the other master station of the relay module is connected to the control module through a data link; the Ethernet interface of the RS485 to Ethernet module is connected to the communication module through a data link, and the communication module is remotely connected to the server wirelessly;

[0008] Electricity meter, used to measure the electricity consumption data of the AC charging pile and send it to the relay module;

[0009] Relay module, used to send the power consumption data of the AC charging pile to the control module and the RS485 to Ethernet module;

[0010] The control module is used to convert the power consumption data of the AC charging pile into a control signal.

[0011] RS485 to Ethernet module, used to convert the power consumption data of the AC charging pile in the form of RS485 signals into the power consumption data of the AC charging pile in the form of Ethernet signals, and send it to the server through the communication module;

[0012] Communication module, used for communication between RS485 to Ethernet module and server;

[0013] The server is used to store the received power consumption data of the AC charging pile.

[0014] Preferably, the communication module is a 4G module.

[0015] As a preference:

[0016] Also included is a display device, the display device is electrically connected to the control module;

[0017] A control module, used to convert the power consumption data of the AC charging pile into a control signal, and send the control signal to the display device;

[0018] The display device is used to display the power consumption of the electric meter according to the received control signal.

[0019] The beneficial effects of the utility model are:

[0020] The data transmission system of the AC charging pile electric meter designed by the utility model can realize simultaneous communication between the electric meter, the control module and the server, avoiding the problems of unstable data transmission, easy data loss and data conflict; it can reduce the dependence on the control module and improve the stability of data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the data transmission system for AC charging pile meters.

[0022] Description of the accompanying drawings: charging pile 1, electric meter 2, relay module 3, control module 4, RS485 to Ethernet module 5, display device 6, communication module 7, server 8. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0024] As an example, Figure 1As shown, a data transmission system for an AC charging pile electric meter is provided with a matching charging pile 1 and an electric meter 2, and the data transmission system includes: two master and one slave repeaters, a control module 4, an RS485 to Ethernet module 5, a 4G module, a server 8 and a display screen; the two master and one slave repeaters, the control module 4, the RS485 to Ethernet module 5, the 4G module and the server 8 are all arranged on the charging pile 1;

[0025] The slave port of the relay module 3 is connected to the electric meter 2 via a data link, one of the master stations of the relay module 3 is connected to the 485 interface of the RS485 to Ethernet module 5 via a data link, and the other master station of the relay module 3 is connected to the control module 4 via a data link; the display screen is electrically connected to the control module 4; the Ethernet interface of the RS485 to Ethernet module 5 is connected to the 4G module via a data link, and the 4G module is remotely wirelessly connected to the server;

[0026] Electricity meter 2, used to measure the electricity consumption data of the AC charging pile and send it to the relay module 3;

[0027] Relay module 3, used to send the power consumption data of the AC charging pile to the control module 4 and the RS485 to Ethernet module 5, distinguish the data source, and improve the stability of data transmission;

[0028] The control module 4 is used to convert the power consumption data of the AC charging pile into a control signal and send the control signal to the display screen;

[0029] A display screen, used to display the power consumption of the electric meter 2 according to the received control signal;

[0030] RS485 to Ethernet module 5, used to convert the power consumption data of the AC charging pile in the form of RS485 signals into the power consumption data of the AC charging pile in the form of Ethernet signals, and send it to the server 8 through the 4G module;

[0031] 4G module, used for communication between RS485 to Ethernet module 5 and server 8;

[0032] The server 8 is used to store the received power consumption data of the AC charging pile.

Claims

1. A data transmission system for an AC charging pile meter, comprising a matching charging pile (1) and an electric meter (2), characterized in that: include: A relay module (3), a control module (4), an RS485-to-Ethernet module (5), a communication module (7) and a server (8); the relay module (3), the control module (4), the RS485-to-Ethernet module (5), the communication module (7) and the server (8) are all arranged on the charging pile (1); The relay module (3) is a two-master-one-slave relay; The slave port of the relay module (3) is connected to the electric meter (2) via a data link, one of the master stations of the relay module (3) is connected to the 485 interface of the RS485 to Ethernet module (5) via a data link, and the other master station of the relay module (3) is connected to the control module (4) via a data link; the Ethernet interface of the RS485 to Ethernet module (5) is connected to the communication module (7) via a data link, and the communication module (7) is remotely connected to the server wirelessly; An electric meter (2), used to measure the electric power consumption data of the AC charging pile and send it to the relay module (3); A relay module (3) for sending the power consumption data of the AC charging pile to the control module (4) and the RS485 to Ethernet module (5); The control module (4) is used to convert the power consumption data of the AC charging pile into a control signal. An RS485 to Ethernet module (5) is used to convert the power consumption data of the AC charging pile in the form of RS485 signals into the power consumption data of the AC charging pile in the form of Ethernet signals, and send the data to the server (8) via the communication module (7); A communication module (7) for communicating between the RS485 to Ethernet module (5) and the server (8); The server (8) is used to store the received power consumption data of the AC charging pile.

2. The data transmission system for AC charging pile electric meter according to claim 1, characterized in that: The communication module (7) is a 4G module.

3. The data transmission system for AC charging pile electric meter according to claim 1, characterized in that: It also includes a display device (6), the display device (6) being electrically connected to the control module (4); A control module (4) for converting power consumption data of the AC charging pile into a control signal, and sending the control signal to a display device (6); The display device (6) is used to display the power consumption of the electric meter (2) according to the received control signal.

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