Low voltage load wireless monitoring system

A low-voltage load wireless monitoring system technical field

[0001] The present invention relates to a low-voltage load wireless monitoring system.

Background technique

[0002] With the continuous development of power grids, power distribution networks have been increasingly used, and at the same time, higher requirements have been put forward for their monitoring, data analysis, and management. New technologies and new methods of data analysis and mining are constantly being used. Some urban lines started low-voltage load monitoring and implemented full-length monitoring; and through calculations, load delivery and event alarms were realized.

[0003] The existing low-voltage load monitoring system is generally installed on a server and configured in a monitoring room of a power dispatching department, and lacks remote access capabilities and means. In addition, most of the collection devices used for low-voltage loads are currently laid on utility poles with low-voltage transformers, and they need to be connected to the network through laying lines, which is time-consuming and labor-intensive. Moreover, the traditional low-voltage load monitoring system has no data comparison and capacity analysis, so it is difficult to reflect multiple information, let alone load switching; at the same time, an important part of the low-voltage load monitoring system is the alarm mechanism and its accident handling In the prior art, the solution needs to be judged on the spot. Therefore, there are problems such as slow analysis and resolution and low accuracy, which seriously affects the timeliness of users' electricity consumption and brings unexpected losses to users and national production.

Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a low-voltage load wireless monitoring system, which wirelessly transmits and collects low-voltage load information, realizes low-voltage load monitoring, and displays it in real time, and has an alarm function. This effectively improves the accuracy of temporary load delivery and switching on distribution substations, and effectively improves asset utilization.

[0005] The technical solution to achieve the above-mentioned purpose is:

[0006] A low-voltage load wireless monitoring system, externally connected to a low-voltage transformer, the monitoring system includes a collection device, a first wireless module, a second wireless module, a data receiving device, a data memory, an MCU, and a display screen connected in sequence, wherein: The acquisition device is connected to the low-voltage transformer; the first wireless module and the second wireless module are wirelessly connected.

[0007] The aforementioned low-voltage load wireless monitoring system, wherein:

[0008] The collection device collects low-voltage load information, and sequentially transmits the low-voltage load information to the data receiving device through the first wireless module and the second wireless module;

[0009] The data receiving device transmits the received low-voltage load information to the data storage;

[0010] The data memory stores the received low-voltage load information;

[0011] The MCU reads low-voltage load information from the data storage, monitors and analyzes the read low-voltage load information, and outputs the obtained monitoring results to the display screen on the one hand, and outputs an alarm signal on the other hand.

[0012] The aforementioned low-voltage load wireless monitoring system, wherein the monitoring system further includes an alarm connected to the MCU, and the alarm device receives the alarm signal.

[0013] The aforementioned low-voltage load wireless monitoring system, wherein the collection device is a photocoupler.

[0014] The aforementioned low-voltage load wireless monitoring system, wherein the data receiving device is a data receiver or a wireless data transceiver.

[0015] The beneficial effect of the present invention is: the present invention realizes wireless transmission of low-voltage load information through a wireless module, and achieves low

Pressure load monitoring, and real-time display and update of the monitoring results, especially including load delivery comparison, which effectively improves the accuracy of temporary load delivery switching on distribution substations and effectively improves asset utilization. The invention guarantees the real-time performance of data through advanced and reliable technical measures, realizes the transparency of complex technical details, and realizes the ultimate function of the data analysis system in a form that is intuitive, easy to understand and easy to operate for users, that is, data viewing and uploading. Monitoring of the operating status of the system-alarm mechanism.

Description of the drawings

[0016] FIG. 1 is a schematic structural diagram of the low-voltage load wireless monitoring system of the present invention.

Detailed ways

[0017] The present invention will be further described with reference to the accompanying drawings.

[0018] Please refer to FIG. 1, the low-voltage load wireless monitoring system of the present invention is externally connected to a low-voltage transformer 100. The monitoring system includes an acquisition device 1, a first wireless module 2, a second wireless module 3, and a data receiving device 4 connected in sequence. , Data memory 5, MCU6, display 7 and alarm 8, among them:

[0019] The first wireless module 2 and the second wireless module 3 are wirelessly connected to realize wireless transmission;

[0020] The collection device 1 is set on a utility pole with a low-voltage transformer 100, connected to the low-voltage transformer 100, collects low-voltage loads in real time, saves them as hourly data, daily statistical data, etc., and passes the low-voltage load information through the first wireless module in turn 2 and the second wireless module 3 are transmitted to the data receiving device 4;

[0021] The data receiving device 4 transmits the received low-voltage load information to the data storage 5;

[0022] The data memory 5 stores the received low-voltage load information;

[0023] MCU6 reads the low-voltage load information from the data memory 5, monitors and analyzes the read low-voltage load information, on the one hand, outputs the obtained monitoring results to the display screen 7 for display; on the other hand, it determines whether the load is normal, and The judgment result data is converted into an alarm signal and output to the alarm 8 to indicate the alarm, thereby effectively improving the accuracy of the temporary load delivery and switching on the distribution substation and effectively improving the asset utilization rate.

[0024] In this embodiment, the collecting device 1 is a photocoupler; the data receiving device 4 is a data receiver with a model of ZX7M-ecom AK, or a data receiving device with a model of BQ11-RIU-200M. Or the wireless data transceiver model of KY. 01-CST610; the first wireless module 2 and the second wireless module 3 both use the wireless communication receiving module model of xbl53-nrm02; the model selected for MCU6 is S3F8285XZZ-C0C5o

[0025] The above embodiments are only for the purpose of illustrating the present invention, rather than limiting the present invention. Those skilled in the relevant technical field can also make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.