CN202549051U - Wireless low-voltage power line meter-reading system based on RS485 electricity meters - Google Patents

Abstract

The utility model relates to a wireless low-voltage power line meter reading device based on an RS485 electric energy meter. The device includes a wireless concentrator, a wireless collector, an RS485 electric energy meter and a total electric meter. The RS485 electric energy meter is connected to the wireless collector through the RS485 bus , the wireless collector is connected to the wireless concentrator through a wireless network, and the total electric meter is connected to the wireless concentrator. Compared with the prior art, the utility model has the advantages of low cost, good real-time performance and high speed.

Description

A wireless low-voltage power line meter reading device based on RS485 electric energy meter

technical field

The utility model relates to a power line meter reading device, in particular to a wireless low-voltage power line meter reading device based on an RS485 electric energy meter.

Background technique

At present, the existing electric meter reading methods mainly include the following methods: take the form of manual meter reading, that is, read the meter according to the display on the meter head; use a handheld infrared meter reading device to read the meter It is a single-chip microcomputer control system with infrared transceiver, so the electric energy meter should be equipped with corresponding infrared transceiver function; long-distance automatic meter reading system, in this form, managers can sit in the office and use a computer to pass Network cables and other channels for meter reading and power consumption management. However, these existing meter reading methods and systems inevitably have certain disadvantages due to the addition of separate network devices.

WSN (Wireless Sensor Networks wireless sensor network) is a general term for a series of micro-power communication technologies. Under the premise of low power consumption and low cost, WSN uses high-speed microprocessor technology to solve communication problems, and is suitable for occasions with many measurement points and scattered ranges. low-voltage meter reading applications.

Contents of the invention

The purpose of this utility model is to provide a wireless low-voltage power line meter reading device based on RS485 electric energy meter, which has low installation cost and is not affected by the power line topology network in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A wireless low-voltage power line meter reading device based on an RS485 electric energy meter, the device includes a wireless concentrator, a wireless collector, an RS485 electric energy meter and a total electric meter, the RS485 electric energy meter is connected to the wireless collector through the RS485 bus, and the The wireless collector is connected with the wireless concentrator through a wireless network, and the total electric meter is connected with the wireless concentrator.

The input end of the wireless collector is provided with a 485 port, and the output end is provided with a wireless communication port, the 485 port is connected with the RS485 electric energy meter through the RS485 bus, and the wireless communication port is connected with the wireless concentrator.

The wireless collector is connected to multiple RS485 electric energy meters.

The device also includes a wireless repeater, and the wireless repeater is arranged between the wireless collector and the wireless concentrator.

Compared with the prior art, the utility model has the following advantages:

1) The wireless network has good real-time performance and high rate, which is convenient for realizing value-added services with high real-time requirements, such as remote prepayment, etc.;

2) The self-organizing network can find all wireless nodes within the radio frequency range, and is not affected by the power line topology network;

3) No wiring required, low installation cost;

4) The wireless module on the concentrator can realize the on-site meter reading function with the wireless handheld meter reading terminal in case of failure of the remote channel. The speed is fast and the use is more convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example

As shown in Figure 1, a wireless low-voltage power line meter reading device based on an RS485 electric energy meter, the device includes a wireless concentrator 1, a wireless collector 2, an RS485 electric energy meter 3 and a total electric meter 4, and the RS485 electric energy meter 3 communicates with the electric energy meter through the RS485 bus The wireless collector 2 is connected, the wireless collector 2 is connected with the wireless concentrator 1 through a wireless network, and the total electric meter 4 is connected with the wireless concentrator 1. The input end of the wireless collector 2 is provided with a 485 port, and the output end is provided with a wireless communication port. The 485 port is connected to multiple RS485 electric energy meters 3 through the RS485 bus, and the wireless communication port is connected to the wireless concentrator 1 for communication. Also comprise wireless repeater 5 in this device, wireless repeater 5 is arranged between wireless collector 2 and wireless concentrator 1, wireless collector 2 can realize the long-distance with wireless concentrator 1 by wireless repeater 5 data communication.

Claims (4)

1. A wireless low-voltage power line meter reading device based on RS485 electric energy meter, it is characterized in that, the device comprises wireless concentrator, wireless collector, RS485 electric energy meter and total electric meter, and described RS485 electric energy meter is collected by RS485 bus and wireless The wireless collector is connected with the wireless concentrator through the wireless network, and the total ammeter is connected with the wireless concentrator. 2. A kind of wireless low-voltage power line meter reading device based on RS485 electric energy meter according to claim 1, is characterized in that, the input end of described wireless collector is provided with 485 ports, and output end is provided with wireless communication port, so The above-mentioned 485 port is connected with the RS485 electric energy meter through the RS485 bus, and the above-mentioned wireless communication port is connected with the wireless concentrator for communication. 3. A wireless low-voltage power line meter reading device based on RS485 electric energy meters according to claim 1, wherein said wireless collector is connected to a plurality of RS485 electric energy meters. 4. A kind of wireless low-voltage power line meter reading device based on RS485 electric energy meter according to claim 1, it is characterized in that, also comprises wireless repeater in the described device, and described wireless repeater is arranged on wireless acquisition between the wireless concentrator and the wireless concentrator.

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