CN211905509U - Intelligent statistical lightning stroke counting uploading device - Google Patents

Abstract

The utility model provides an intelligent statistics thunderbolt count upload device, including outside mutual-inductor, signal conversion processing apparatus and gateway communication device, wherein outside mutual-inductor passes through the wire and connects signal conversion processing apparatus, and signal conversion processing apparatus passes through thing networking wireless connection gateway communication device. The utility model adopts the advanced internet of things communication technology, and the communication speed and quality are further improved; the abnormal state of the line can be monitored only by installing the ground wire at one position without installing the three-phase line respectively, and the cost is much lower than that of the line installed at three phases respectively; meanwhile, the installation is convenient, the circuit does not need to be disconnected, the device only needs to be clamped on the ground, and the disassembly is convenient when the version of the circuit element is updated.

Description

Intelligent statistical lightning stroke counting uploading device

Technical Field

The utility model relates to an intelligent statistics thunderbolt count uploads device belongs to electric power system check out test set technical field.

Background

In a power system, particularly in the running process of a line on the top of a building, direct-lightning overvoltage or induced overvoltage caused by lightning striking an overhead line easily causes insulator flashover or breakdown, and a formed high-temperature electric arc can instantly fuse a wire to cause serious power failure. In order to prevent accidents, a line overvoltage protector is required to be installed on the overhead line, and the line overvoltage protector has the functions of guiding lightning current to the protector when the overhead line is struck by lightning, cutting off power frequency follow current, avoiding flashover or breakdown of an insulator, and protecting the overhead line from causing lightning stroke disconnection accidents.

The fixed gap overvoltage protector is mainly used for protecting an insulator of electrical equipment from being damaged by overvoltage, and although the overvoltage protector can usually effectively protect a circuit in a long-time use process, the structure of the overvoltage protector can be damaged by the influence of high voltage after the overvoltage protector is subjected to multiple times of voltage application by lightning. Therefore, detecting the number of lightning strikes to an overvoltage protection device is particularly important for calculating the service life and maintaining and replacing the overvoltage protection device in time. Because the existing lightning stroke monitoring equipment needs to be simultaneously installed in a three-phase circuit of the fixed-gap overvoltage protector, only one phase can not be independently installed, the monitoring equipment for primary side lightning stroke overvoltage is rare in the market, the maintenance cost of the overvoltage protector is undoubtedly increased, and potential safety hazards are also brought.

Disclosure of Invention

The utility model discloses an above-mentioned problem that prior art exists is solved to aim at, provides an intelligent statistics thunderbolt count upload device, and the device adopts the induction type sample, need not direct access line, adopts the photovoltaic board to charge simultaneously, can not destroy the ground connection resistance.

The technical solution of the utility model is as follows: intelligent statistics thunderbolt count upload device, including outside mutual-inductor, signal conversion processing apparatus and gateway communication device, wherein outside mutual-inductor passes through the wire and connects signal conversion processing apparatus, and signal conversion processing apparatus passes through thing networking wireless connection gateway communication device.

Furthermore, the external transformer is an open-type current transformer, a round hole is formed in the middle of the external transformer, and an opening is formed in the side face of the external transformer and used for being installed and fixed on the outer side of a circuit; the signal conversion processing device comprises a signal amplification module, a threshold value adjusting module, a comparison module, a signal conversion module, an acquisition terminal module and a photovoltaic charging module, wherein the input end of the signal amplification module is connected with a current signal acquired and converted by an external mutual inductor, the output end of the signal amplification module and the output end of the threshold value adjusting module are simultaneously connected with the input end of the comparison module, the output end of the comparison module is connected with the input end of the signal conversion module, the output end of the signal conversion module is connected with the input end of the acquisition terminal module, and the output end of the acquisition terminal module is connected with the input end of the gateway communication device; the gateway communication device is an internet of things communication terminal.

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

1) by adopting an advanced Internet of things communication technology, the communication speed and quality are further improved;

2) the abnormal state of the line can be monitored only by installing the ground wire at one position without installing the three-phase line respectively, and the cost is much lower than that of the line installed at three phases respectively;

3) the installation is more convenient, need not to break off the circuit, only need with the device clamp on the ground can, dismantle when being convenient for circuit component version renewal.

Drawings

Fig. 1 is the utility model discloses intelligent statistics thunderbolt count uploads the structure schematic diagram of device.

Fig. 2 is a schematic diagram of the internal structure of the signal conversion processing apparatus.

Fig. 3 is a circuit configuration diagram of the signal conversion processing apparatus.

Fig. 4 is a circuit configuration diagram of a threshold adjustment module.

Detailed Description

The technical scheme of the utility model is further explained in the following with the attached drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in figure 1, the intelligent statistical lightning stroke counting uploading device structurally comprises an external mutual inductor, a signal conversion processing device and a gateway communication device, wherein the external mutual inductor is connected with the signal conversion processing device through a wire, and the signal conversion processing device is wirelessly connected with the gateway communication device through the Internet of things.

The external mutual inductor adopts an open type mutual inductor with the model of CTK38, the middle part of the open type mutual inductor is provided with a round hole, the side surface of the open type mutual inductor is provided with an opening, the open type mutual inductor is used for being installed and fixed on the outer side of a circuit, a circuit does not need to be modified, and the disassembly is convenient. The external mutual inductor adopts an induction type power taking mode, converts the acquired current signal and transmits the converted current signal to the signal conversion processing device, and compared with a traditional direct access mode, the external mutual inductor can not change the line resistance, and effectively guarantees the line safety.

As shown in fig. 2-4, the signal conversion processing apparatus includes a signal amplification module, a threshold adjustment module, a comparison module, a signal conversion module, a collection terminal module and a photovoltaic charging module, wherein an input end of the signal amplification module is connected to a current signal collected and converted by an external transformer, an output end of the signal amplification module and an output end of the threshold adjustment module are simultaneously connected to an input end of the comparison module, an output end of the comparison module is connected to an input end of the signal conversion module, an output end of the signal conversion module is connected to an input end of the collection terminal module, and an output end of the collection terminal module is connected to an input end of the gateway communication apparatus. After the signal conversion processing device receives the current signal, the current signal is amplified through the signal amplification module, the amplified signal is compared with a preset value of the threshold value adjustment module through the comparison module, a comparison result is converted through the signal conversion module, and the comparison result is collected and summarized through the acquisition terminal module and transmitted to the communication module in the gateway communication device. The model of the photovoltaic charging module is TC4056A, the photovoltaic charging module is responsible for supplying power to each module, and the photovoltaic charging module can ensure the long-term normal operation of equipment.

The gateway communication device adopts an Internet of things communication terminal module with the model number of M5310-A, the uploading speed is high, three phase lines do not need to be connected respectively, only the three phase lines need to be connected with a ground wire independently, and information can be uploaded to a remote server for background processing once current flows.

During the in-service use, adopt the steel ribbon to bind in mounted position department through the preformed hole with outside mutual-inductor and signal conversion processing apparatus in installation earlier stage, outside mutual-inductor passes the ground wire, and when the ground wire had discharge current to flow, can be sensed by outside mutual-inductor to trigger signal conversion processing apparatus, upload the gateway through thing networking communication terminal, finally upload the server platform by gateway communication device and count and show.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. Intelligent statistics thunderbolt count upload device, characterized by include outside mutual-inductor, signal conversion processing apparatus and gateway communication device, and wherein outside mutual-inductor passes through the wire and connects signal conversion processing apparatus, and signal conversion processing apparatus passes through thing networking wireless connection gateway communication device.

2. The intelligent statistical lightning strike counting uploading device according to claim 1, wherein the external transformer is an open transformer with the type CTK38, a circular hole is arranged in the middle of the open transformer, and an opening is arranged on the side of the open transformer and used for being installed and fixed on the outer side of a line.

3. The intelligent statistical lightning strike counting uploading device according to claim 1, wherein the signal conversion processing device comprises a signal amplification module, a threshold adjustment module, a comparison module, a signal conversion module, a collection terminal module and a photovoltaic charging module, wherein an input end of the signal amplification module is connected to a current signal collected and converted by an external mutual inductor, an output end of the signal amplification module and an output end of the threshold adjustment module are simultaneously connected to an input end of the comparison module, an output end of the comparison module is connected to an input end of the signal conversion module, an output end of the signal conversion module is connected to an input end of the collection terminal module, and an output end of the collection terminal module is connected to an input end of the gateway communication device.

4. The intelligent statistical lightning strike count uploading device according to claim 1, wherein the gateway communication device is an internet of things communication terminal module of type M5310-a.

Images