Photovoltaic box-type substation monitoring system based on ZigBee network

Abstract

The utility model relates to the technical field of transformer substations, in particular to a photovoltaic box-type transformer substation monitoring system based on a ZigBee network, which comprises a transformer substation body and a heat dissipation assembly, a notch is arranged at the front end of the transformer substation body, a box door is rotatably arranged at the notch of the transformer substation body, a ZigBee wireless sensor network is arranged in the transformer substation body, and the ZigBee wireless sensor network is connected with the heat dissipation assembly. The heat dissipation assembly is arranged in the transformer substation body and used for heat dissipation of the device. The ZigBee wireless sensor network is composed of a plurality of data acquisition sensor modules, router nodes and a network coordinator, the data acquisition sensor modules are installed on key equipment of the transformer substation body, the router nodes are used for relay transmission of data and expansion of network coverage, and the network coordinator is responsible for management of the whole network and data summarization; the driving assembly is arranged on the transformer substation body, and the driving assembly is used for moving the position of the transformer substation body; the system is low in installation cost, high in flexibility and strong in expansibility.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of transformer substation, especially to a photovoltaic box type transformer substation monitoring system based on zigBee network. BACKGROUND

[0002] Under the background of energy transformation today, solar energy as a clean, renewable energy, its application is increasingly widespread, especially the construction and development of photovoltaic power station has become an important part of promoting green energy development. Box type transformer substation as a key component of distributed photovoltaic system, undertakes the task of power conversion and distribution, its stability and reliability are directly related to the operation efficiency and safety of the whole photovoltaic power station. However, the traditional box type transformer substation monitoring system faces many challenges.

[0003] The existing monitoring system often relies on wired communication technology, the installation cost is high, and the wiring is complex, which is not convenient for maintenance and expansion. In outdoor and remote areas, the laying and maintenance of wired connection are particularly difficult, which limits the flexibility and scalability of the system. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of photovoltaic box type transformer substation monitoring system based on zigBee network with low installation cost, high flexibility and strong scalability.

[0005] The utility model relates to a kind of photovoltaic box type transformer substation monitoring system based on zigBee network, comprising:

[0006] Transformer substation body and heat dissipation component, the front end of transformer substation body is provided with notched, the door is rotationally arranged in the notched of transformer substation body, ZigBee wireless sensor network is arranged in the inside of transformer substation body, heat dissipation component is arranged in the inside of transformer substation body, for device carries out heat dissipation;

[0007] ZigBee wireless sensor network is composed of several data acquisition sensor modules, router nodes and network coordinator, data acquisition sensor module is installed on the key equipment of transformer substation body, router node is used for the relay transmission of data, expands network coverage, network coordinator is responsible for the management and data summary of entire network;

[0008] Drive assembly, drive assembly is set up on transformer substation body, drive assembly is used for the movement of transformer substation body position.

[0009] Further, the heat dissipation component includes a hollow shaft arranged at the through hole of the transformer substation body, a connecting piece is arranged on the hollow shaft, a transmission shaft is arranged in the two groups of inner holes of the connecting piece, a fixing piece is coaxially arranged on the transmission shaft, a plurality of groups of fan blades are equidistantly arranged on the fixing piece, and the hollow shaft and the fan blades are driven by a power assembly.

[0010] As preferred, the power assembly comprises a driving motor arranged on the transformer body, a driving shaft coaxially arranged at the output end of the driving motor, a first bevel gear coaxially arranged on the driving shaft, a second bevel gear arranged on the hollow shaft, the first bevel gear and the second bevel gear being in meshing transmission connection, and the driving shaft and the two groups of transmission shafts being connected through the transmission assembly.

[0011] Further, the transmission assembly comprises a transmission shaft coaxially arranged inside the shaft cavity of the hollow shaft, a third bevel gear coaxially arranged on the transmission shaft, a fourth bevel gear coaxially arranged on the driving shaft, the fourth bevel gear and the third bevel gear being in meshing transmission connection, and chain wheels being arranged on the transmission shaft and the two groups of transmission shafts, and a chain being arranged in meshing on the three groups of chain wheels.

[0012] As preferred, the transformer body is provided with a partition, and the first bevel gear and the third bevel gear are arranged inside the partition.

[0013] Further, a filter is arranged in the heat dissipation hole of the transformer body.

[0014] As preferred, the driving assembly is symmetrically arranged on the mounting piece arranged in the mounting hole of the transformer body, a positioning piece is arranged in the mounting piece, a moving handle is rotatably arranged on the positioning piece, a locking assembly is arranged on the moving handle, and the locking assembly is connected with the positioning piece.

[0015] Further, the locking assembly comprises a threaded rod arranged in the inner hole of the moving handle, the threaded rod is arranged in the threaded hole of the locking piece, the locking piece is arranged in the inner hole of the moving handle, and the locking piece is in contact connection with the moving handle.

[0016] As preferred, a plurality of Forma wheels are arranged at the bottom end of the transformer body.

[0017] Further, an isolation net is arranged inside the transformer body, and the plurality of fan blades are located inside the isolation net.

[0018] Compared with the prior art, the utility model has the advantages that: the box door on the transformer body makes the internal device convenient to disassemble and maintain, the data acquisition sensor module is used for acquiring temperature, humidity, voltage, current, power factor and other parameters, real-time monitoring of equipment operating state and environmental conditions, the router node is used for data relay transmission, expanding network coverage, the coordinator is responsible for the management and data summary of the whole network, continuous monitoring of equipment operating state and environmental parameters, timely discovery of abnormal conditions, ZigBee network can automatically configure and repair the network, reducing the demand for manual maintenance, ZigBee technology is particularly suitable for remote and difficult to frequently replace battery occasions due to its low power consumption characteristics, low installation cost, high flexibility and strong expansibility. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the front view structural schematic diagram of the utility model.

[0020] Figure 2 is the axial measurement structure schematic view of the utility model;

[0021] Figure 3 is the sectional structure schematic view of the utility model;

[0022] Figure 4 is the internal structure schematic view of the utility model;

[0023] Figure 5 is the part structure schematic view of the utility model;

[0024] Figure 6 is the principle structure schematic view of the utility model;

[0025] Marked in the drawing: 1, transformer station body;2, box door;3, ZigBee wireless sensor network;4, data acquisition sensor module;5, router node;6, network coordinator;7, hollow shaft;8, connecting piece;9, transmission shaft;10, fixed part;11, fan blade;12, drive motor;13, drive shaft;14, first bevel gear;15, second bevel gear;16, transmission shaft;17, third bevel gear;18, fourth bevel gear;19, chain wheel;20, chain;21, isolating piece;22, filter piece;23, mounting piece;24, positioning piece;25, moving handle;26, threaded column;27, locking piece;28, foma wheel;29, isolation net piece. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0027] As Figures 1 to 6 shown, a kind of photovoltaic box-type transformer station monitoring system based on ZigBee network of the utility model, comprising:

[0028] Transformer station body 1 and heat dissipation assembly, the front end of transformer station body 1 is provided with notch, box door 2 is rotationally arranged at the notch of transformer station body 1, ZigBee wireless sensor network 3 is arranged in transformer station body 1, heat dissipation assembly is arranged in the inside of transformer station body 1, for device carries out heat dissipation;

[0029] The ZigBee wireless sensor network 3 is composed of a plurality of data acquisition sensor modules 4, router nodes 5 and network coordinators 6. The data acquisition sensor modules 4 are installed on the key equipment of the transformer substation body 1, the router nodes 5 are used for data relay transmission and expansion of network coverage, and the network coordinators 6 are responsible for management and data aggregation of the entire network. Each data acquisition sensor module 4 is internally provided with an MCU, which is responsible for processing the collected data and sending the data to the network coordinator 6 through a ZigBee module, receiving the data aggregated by the network coordinator 6, and converting the data into a protocol recognizable by a remote monitoring center or a cloud platform, such as TCP / IP, so as to further analyze and process the data, centrally display and manage all collected data, generate data analysis and early warning, and perform remote control operation.

[0030] A driving assembly is arranged on the transformer substation body 1 and is used for moving the transformer substation body 1. The internal device is convenient to disassemble and maintain through the box door 2 on the transformer substation body 1. The data acquisition sensor module 4 is used for acquiring parameters such as temperature, humidity, voltage, current and power factor, and is used for real-time monitoring of equipment operating state and environmental conditions. The router node 5 is used for data relay transmission and expansion of network coverage. The network coordinator 6 is responsible for management and data aggregation of the entire network, continuous monitoring of equipment operating state and environmental parameters, and timely discovery of abnormal conditions. The ZigBee network can automatically configure and repair the network, reducing the need for manual maintenance. The ZigBee technology is particularly suitable for remote and difficult-to-frequently-replace-battery occasions due to its low-power-consumption characteristics, has low installation cost, high flexibility and strong expansibility.

[0031] As shown in Figures 1 to 6 As a preferred scheme, the heat dissipation assembly includes a hollow shaft 7 arranged at a through hole of the transformer substation body 1. The hollow shaft 7 is provided with a connecting piece 8. The connecting piece 8 is provided with a transmission shaft 9 in two groups of inner holes. The transmission shaft 9 is coaxially provided with a fixing piece 10. A plurality of fan blades 11 are equidistantly arranged on the fixing piece 10. The hollow shaft 7 and the fan blades 11 are driven by a power assembly. An isolation net 29 is arranged in the transformer substation body 1. The plurality of fan blades 11 are located inside the isolation net 29. The connecting piece 8 is rotatably supported in the transformer substation body 1 by the hollow shaft 7. The fan blades 11 provide revolution when the hollow shaft 7 rotates, increasing the heat dissipation cavity. The fan blades 11 are installed on the transmission shaft 9 by the fixing piece 10. Through the structural design of the hollow shaft 7 and the fan blades 11, the effective conduction and dissipation of heat in the transformer substation body are realized. The isolation net 29 arranged in the transformer substation body 1 effectively prevents the risk of foreign matter invasion during the operation of the fan blades 11, protects the internal sensitive electrical components from damage, and enhances air circulation and improves heat dissipation efficiency under the driving of the power assembly. The high-speed rotation of the fan blades 11 ensures that the electrical equipment in the transformer substation still operates stably under high load or high temperature environment, prolonging the service life of the equipment.

[0032] As shown in Figures 1 to 6 , as a preferred solution, the power assembly includes a drive motor 12 arranged on the transformer body 1, the output end of the drive motor 12 is coaxially provided with a drive shaft 13, the drive shaft 13 is coaxially provided with a first bevel gear 14, the hollow shaft 7 is provided with a second bevel gear 15, the first bevel gear 14 is in meshing transmission connection with the second bevel gear 15, and the drive shaft 13 is connected with the two groups of transmission shafts 9 through the transmission assembly; the drive motor 12 is started after receiving the high temperature early warning, and through the direct driving of the drive motor 12 to the drive shaft 13, and then through the meshing transmission of the first bevel gear 14 and the second bevel gear 15, efficient and stable power transmission to the hollow shaft 7 is realized, and then the fan blade 11 is driven to revolve.

[0033] As shown in Figures 1 to 6 , as a preferred solution, the transmission assembly includes a transmission shaft 16 coaxially arranged in the shaft cavity of the hollow shaft 7, the transmission shaft 16 is coaxially provided with a third bevel gear 17, the drive shaft 13 is coaxially provided with a fourth bevel gear 18, the fourth bevel gear 18 is in meshing transmission connection with the third bevel gear 17, the transmission shaft 16 and the two groups of transmission shafts 9 are provided with sprockets 19, the three groups of sprockets 19 are meshingly provided with chains 20, the transformer body 1 is provided with a spacer 21, and the first bevel gear 14 and the third bevel gear 17 are both arranged in the spacer 21; by arranging the transmission shaft 16 and the third bevel gear 17 in the shaft cavity of the hollow shaft 7, the internal space of the transformer body is fully utilized, so that the overall structure is more compact, the meshing transmission design of the fourth bevel gear 18 and the third bevel gear 17, combined with the combination of the sprocket 19 and the chain 20, makes the drive motor 12 drive the two groups of transmission shafts 9 to rotate, not only improves the efficiency of power transmission, but also ensures the stability and accuracy in the transmission process, and the spacer 21 is arranged to enclose the first bevel gear 14 and the third bevel gear 17, which effectively isolates the erosion of external dust and moisture to the gear transmission system, and reduces the failure rate.

[0034] As shown in Figures 1 to 6 , as a preferred solution, a filter 22 is arranged in the heat dissipation hole of the transformer body 1; the filter 22 can effectively block dust, impurities, moisture and other pollutants carried in the external air from entering the inside of the transformer body, which is particularly important for the heat dissipation system.

[0035] As shown in Figures 1 to 6As shown, as a preferred solution, the driving assembly is symmetrically arranged in the mounting piece 23 in the mounting hole of the transformer substation body 1, the mounting piece 23 is provided with a positioning piece 24, the positioning piece 24 is rotatably provided with a moving handle 25, the moving handle 25 is provided with a locking assembly, the locking assembly is connected with the positioning piece 24, the locking assembly comprises a threaded rod 26 arranged in the hole of the moving handle 25, the threaded rod 26 is arranged in the threaded hole of a locking piece 27, the locking piece 27 is arranged in the hole of the moving handle 25, and the locking piece 27 is in contact with the moving handle 25; the positioning piece 24 is fitted and mounted on the transformer substation body 1 through the mounting piece 23, the moving handle is rotatably supported on the mounting piece 23 through the positioning piece 24, the position of the locking piece 27 connected with the moving handle 25 is adjusted through the threaded rod 26, and the position of the moving handle 25 connected with the positioning piece 24 is locked through the locking piece 27, so that the transfer and displacement of the transformer substation body 1 are facilitated.

[0036] As shown in the figure, Figures 1 to 6 As a preferred solution, the transformer substation body 1 is provided at the bottom end with a plurality of form wheels 28; the arrangement of the form wheels 28 enables the transformer substation body to be easily moved and turned, stably supported during work, and conveniently leveled.

[0037] As shown in the figure, Figures 1 to 6 As a preferred solution, the working process is as follows:

[0038] The data acquisition sensor modules 4 start working, which are respectively installed on the key equipment of the transformer substation body 1, such as transformers, switch devices, etc., and real-time monitor the key parameters such as temperature, humidity, voltage, current, power factor, etc., the microcontroller unit (MCU) built-in in these sensors carries out preliminary processing on the original data, and then sends the data to the router node 5 in the network through the ZigBee wireless communication module, the router node 5 receives the data, is responsible for the relay transmission of the data, expands the coverage range of the ZigBee network, and ensures that the data can be smoothly transmitted from all corners to the network coordinator 6, the network coordinator 6 is the core of the entire ZigBee network, is responsible for managing and coordinating network activities, including network configuration, maintenance and data summary, it receives the data from each sensor module, carries out arrangement after, converts the summarized data through TCP / IP protocol, and sends to the remote monitoring center or cloud platform, after the remote monitoring center or cloud platform receives the data, uses advanced algorithm to deeply analyze the data, monitors the equipment running state and environmental parameters. Once the abnormal condition is detected, such as high temperature or abnormal voltage, the system generates a warning and takes action immediately, if the system detects a high temperature warning, the motor 12 responds to start immediately, the motor efficiently and smoothly transmits power to the hollow shaft 7 and the transmission shaft 9 through a series of precise transmission mechanisms, and finally drives the fan blade 11 to rotate at high speed while revolving, increases the airflow flow in the heat dissipation cavity, and effectively dissipates the heat generated inside the transformer substation.

[0039] The photovoltaic box-type transformer substation monitoring system based on the ZigBee network has the installation mode, the connection mode or the setting mode of the common mechanical mode, and as long as the beneficial effects can be achieved, the implementation can be carried out.

[0040] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A photovoltaic box-type substation monitoring system based on ZigBee network, characterized in that: include: The substation body and the heat dissipation component are provided, wherein the front end of the substation body is provided with a notch, the notch of the substation body is provided with a box door rotatably, the substation body is provided with a ZigBee wireless sensor network, and the heat dissipation component is provided inside the substation body for heat dissipation of the device; The ZigBee wireless sensor network consists of several data acquisition sensor modules, router nodes, and a network coordinator. The data acquisition sensor modules are installed on key equipment in the substation. The router nodes are used for data relay transmission to expand network coverage. The network coordinator is responsible for the management of the entire network and data aggregation. A drive assembly is provided on the substation body and is used for moving the position of the substation body.

2. A photovoltaic box-type substation monitoring system based on a ZigBee network as claimed in claim 1, characterized in that: The heat dissipation component includes a hollow shaft arranged at the through hole of the substation body, a connecting piece is provided on the hollow shaft, a transmission shaft is provided in two groups of inner holes of the connecting piece, a fixing piece is coaxially provided on the transmission shaft, and multiple groups of fan blades are equidistantly provided on the fixing piece. The hollow shaft and the fan blades are driven by a power component.

3. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 2, characterized in that: An isolation mesh is provided inside the substation body, and the multiple groups of fan blades are located inside the isolation mesh.

4. A photovoltaic box-type substation monitoring system based on a ZigBee network as claimed in claim 2, characterized in that: The power assembly includes a drive motor arranged on the substation body, a drive shaft is coaxially arranged on the output end of the drive motor, a first bevel gear is coaxially arranged on the drive shaft, a second bevel gear is arranged on the hollow shaft, the first bevel gear and the second bevel gear are meshed and connected in transmission, and the drive shaft is connected to the two sets of transmission shafts through a transmission assembly.

5. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 4, characterized in that: The transmission assembly includes a conduction shaft coaxially arranged inside the hollow shaft cavity, a third bevel gear coaxially arranged on the conduction shaft, a fourth bevel gear coaxially arranged on the drive shaft, the fourth bevel gear meshing with the third bevel gear for transmission connection, sprockets are arranged on the conduction shaft and the two sets of transmission shafts, and chains are meshed on the three sets of sprockets.

6. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 5, characterized in that: An isolation piece is provided on the substation body, and the first bevel gear and the third bevel gear are both provided inside the isolation piece.

7. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 1, characterized in that: A filter is provided in the heat dissipation hole of the transformer substation body.

8. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 1, characterized in that: The driving assembly is symmetrically arranged on a mounting piece in the mounting hole of the substation body, a positioning piece is arranged in the mounting piece, a moving handle is rotatably arranged on the positioning piece, a locking assembly is arranged on the moving handle, and the locking assembly is connected to the positioning piece.

9. A photovoltaic box-type substation monitoring system based on a ZigBee network as claimed in claim 8, characterized in that: The locking assembly includes a threaded rod arranged in the inner hole of the moving handle, the threaded rod is arranged inside the threaded hole of the locking member, the locking member is arranged in the inner hole of the moving handle, and the locking member is in contact with the moving handle.

10. A photovoltaic box-type substation monitoring system based on ZigBee network as claimed in claim 1, characterized in that: There are multiple sets of Forma wheels at the bottom of the substation body.

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