CN114465217A

CN114465217A - Lightning protection method and device based on high-frequency isolation

Info

Publication number: CN114465217A
Application number: CN202210013992.6A
Authority: CN
Inventors: 周海; 刘炜; 李锐; 柯挺; 喻召杰; 陈焕彬; 赵铭; 林镇锋; 田松林; 刘兆平
Original assignee: Shenzhen Digital Power Grid Research Institute of China Southern Power Grid Co Ltd
Current assignee: Shenzhen Digital Power Grid Research Institute of China Southern Power Grid Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-10
Anticipated expiration: 2042-01-06
Also published as: CN114465217B

Abstract

The invention discloses a lightning protection method and a device based on high-frequency isolation, wherein the method comprises the following steps: the method comprises the steps of collecting lightning stroke data, wherein the lightning stroke data comprise lightning stroke current, judging whether lightning stroke exists or not according to the content of the lightning stroke data, and executing target operation matched with the lightning stroke current when the lightning stroke exists, wherein the target operation comprises the steps of reducing the lightning stroke current output to target equipment and/or executing the operation of discharging the lightning stroke current to the ground. Therefore, the lightning protection device can prevent equipment from being damaged by lightning stroke, thereby being beneficial to improving the lightning protection effect and the lightning protection safety of the equipment and further being beneficial to improving the protection capability of the equipment on lightning activities.

Description

Lightning protection method and device based on high-frequency isolation

Technical Field

The invention relates to the technical field of lightning protection, in particular to a lightning protection method and device based on high-frequency isolation.

Background

In real life, communication lines and power equipment are distributed in a plurality of places, wide in range and long in line. In the rainy season of every year, can have many communication line or power equipment to be hit by the thunder and lightning, and then cause the damage, seriously influence power system's operation and the security and the convenience of people power consumption, so the thunder and lightning calamity not only to power equipment's harm and to communication line's interference, still can cause the loss to a certain extent to economy, so the problem that the thunderbolt arouses people's attention more and more.

At present, lightning attack is usually prevented by hard lightning protection through a lightning protection device, and the lightning protection mode is single, so that the lightning protection effect is unsatisfactory, and the power equipment is easily damaged. Therefore, it is very important to provide a new lightning protection method to improve the safety protection capability of the equipment.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a lightning protection method and device based on high-frequency isolation, which can be beneficial to improving the damage of equipment caused by lightning stroke, further beneficial to improving the lightning protection effect and lightning protection safety of the equipment and beneficial to improving the protection capability of the equipment on lightning activities.

In order to solve the technical problem, a first aspect of the present invention discloses a lightning protection method based on high frequency isolation, including:

collecting lightning strike data, wherein the lightning strike data comprises lightning strike current;

judging whether lightning stroke exists according to the content included in the lightning stroke data;

when the lightning stroke exists, executing target operation matched with the lightning stroke current, wherein the target operation comprises the operation of reducing the lightning stroke current output to target equipment and/or executing earth leakage on the lightning stroke current.

As an alternative implementation, in the first aspect of the present invention, the method further includes:

detecting whether a bleeder current is flowing back to the target device, wherein the bleeder current is the lightning strike current from a bleed to ground;

and when the drain current is detected to flow back to the target equipment, performing blocking operation on the drain current.

As an alternative embodiment, in the first aspect of the present invention, after the collecting the lightning strike data, the method further comprises:

and uploading the lightning stroke data to a preset cloud platform so as to trigger the cloud platform to monitor target load equipment, wherein the target load equipment is load equipment associated with the cloud platform.

As an alternative embodiment, in the first aspect of the present invention, after the target operation matched with the lightning strike current is performed, the method further comprises:

obtaining historical lightning stroke data in a past preset time period, analyzing the historical lightning stroke data, and obtaining corresponding lightning stroke information in the preset time period, wherein the lightning stroke information comprises one or more of lightning stroke times, lightning stroke places, lightning stroke moments and current values of each lightning stroke in the preset time period;

generating a lightning stroke rule corresponding to the preset time period according to the lightning stroke information;

predicting a lightning strike trend of the lightning activity according to the lightning strike rule, wherein the lightning strike trend comprises one or more of a predicted time of a next lightning strike of the lightning activity, a predicted place of the next lightning strike of the lightning activity, a predicted current value of the next lightning strike of the lightning activity and a predicted damage condition of the next lightning strike of the lightning activity to the target load equipment;

uploading the lightning trend to the cloud platform to trigger the cloud platform to perform an operation on the target load device that matches the lightning trend.

As an optional implementation manner, in the first aspect of the present invention, the uploading the lightning trend to the cloud platform to trigger the cloud platform to perform an operation matching the lightning trend on the target load device includes:

when the lightning trend is used for representing that the next lightning stroke of the lightning stroke activity can cause electric leakage of the target load equipment, uploading the lightning trend to the cloud platform so as to trigger the cloud platform to execute an operation of cutting off a power supply corresponding to the target load equipment at the predicted moment.

receiving feedback information of the cloud platform, wherein the feedback information comprises one or more of a damaged function of the target load equipment and a damaged moment of the target load equipment;

analyzing the feedback information, generating an operation trend of the target load equipment, and formulating a protection scheme corresponding to the operation trend;

uploading the operation trend and the protection scheme to the cloud platform to trigger the cloud platform to execute the operation matched with the protection scheme on the target load equipment.

As an optional implementation manner, in the first aspect of the present invention, the determining whether there is a lightning stroke according to the content included in the lightning stroke data includes:

judging whether the current value of the collected lightning current is larger than a preset current threshold value or not to obtain a judgment result;

when the judgment result is used for indicating that the current value of the lightning stroke current is greater than or equal to the preset current threshold, determining that the lightning stroke exists;

when the judgment result is used for indicating that the current value of the lightning stroke current is smaller than the preset current threshold, determining that the lightning stroke does not exist;

and, the method further comprises:

and when the lightning stroke does not exist, triggering the cloud platform to execute the operation of evaluating the lightning protection performance of the target load equipment, wherein the lightning protection performance comprises one or more of the functions, the operation temperature, the operation humidity and the circuit operation condition of a lightning protection device.

The invention discloses a lightning protection device based on high-frequency isolation in a second aspect, which comprises:

the lightning stroke data comprises lightning stroke current;

the judging module is used for judging whether the lightning stroke exists according to the content included by the lightning stroke data;

and the execution module is used for executing target operation matched with the lightning strike current when the lightning strike is judged to exist by the judgment module, wherein the target operation comprises the operation of reducing the lightning strike current output to target equipment and/or executing earth leakage on the lightning strike current.

As an alternative embodiment, in the second aspect of the present invention, the apparatus further comprises:

the detection module is used for detecting whether leakage current flows back to the target equipment or not, wherein the leakage current is the lightning strike current leaked from the ground;

and the blocking module is used for executing blocking operation on the leakage current when the detection module detects that the leakage current reversely flows to the target equipment.

the lightning strike monitoring system comprises an uploading module and a monitoring module, wherein the uploading module is used for uploading lightning strike data to a preset cloud platform after the lightning strike data is collected by the collecting module so as to trigger the cloud platform to monitor target load equipment, and the target load equipment is load equipment associated with the cloud platform.

the acquisition module is used for acquiring historical lightning stroke data in a past preset time period after the execution module executes target operation matched with the lightning stroke current;

the analysis module is used for analyzing the historical lightning stroke data to obtain corresponding lightning stroke information in the preset time period, wherein the lightning stroke information comprises one or more of lightning stroke times, lightning stroke places, lightning stroke moments and current values of each lightning stroke in the preset time period;

the generating module is used for generating a lightning stroke rule corresponding to the preset time period according to the lightning stroke information;

the forecasting module is used for forecasting a lightning stroke trend of the lightning activity according to the lightning stroke rule, wherein the lightning stroke trend comprises one or more of a forecasting moment of the next lightning stroke of the lightning activity, a forecasting place of the next lightning stroke of the lightning activity, a forecasting current value of the next lightning stroke of the lightning activity and a forecasting damage condition of the next lightning stroke of the lightning activity to the target load equipment;

the uploading module is further used for uploading the lightning trend to the cloud platform so as to trigger the cloud platform to execute an operation matched with the lightning trend on the target load equipment.

As an optional implementation manner, in the second aspect of the present invention, the uploading module uploads the lightning trend to the cloud platform to trigger the cloud platform to perform an operation matching the lightning trend on the target load device specifically includes:

the receiving module is used for receiving feedback information of the cloud platform, wherein the feedback information comprises one or more of a damaged function of the target load equipment and a damaged moment of the target load equipment;

the analysis module is further configured to analyze the feedback information, generate an operation trend of the target load device, and formulate a protection scheme corresponding to the operation trend;

the uploading module is further configured to upload the operation trend and the protection scheme to the cloud platform to trigger the cloud platform to execute an operation matched with the protection scheme on the target load device.

As an optional implementation manner, in the second aspect of the present invention, the determining module determines whether there is a lightning stroke according to the content included in the lightning stroke data specifically includes:

and the executing module is further configured to trigger the cloud platform to execute an operation of evaluating the lightning protection performance of the target load device when the judging module judges that the lightning stroke does not exist, where the lightning protection performance includes one or more of a function of a lightning protection device, an operating temperature, an operating humidity, and a circuit operating condition.

The invention discloses a lightning protection device based on high-frequency isolation in a third aspect, which comprises:

a memory storing executable program code;

a processor coupled with the memory;

the processor calls the executable program codes stored in the memory to execute the lightning protection method based on high-frequency isolation disclosed by the first aspect of the invention.

In a fourth aspect, the present invention discloses a computer-readable storage medium, which stores computer instructions, and when the computer instructions are called, the computer instructions are used for executing the lightning protection method based on high-frequency isolation disclosed in the first aspect of the present invention.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

in the embodiment of the invention, lightning stroke data are collected, the lightning stroke data comprise lightning stroke current, whether lightning stroke exists is judged according to the content included in the lightning stroke data, and when the lightning stroke exists, target operation matched with the lightning stroke current is executed, wherein the target operation comprises the operation of reducing the lightning stroke current output to target equipment and/or executing ground discharge on the lightning stroke current. Therefore, by implementing the method and the device, the lightning current output to the target device can be reduced and/or the lightning current can be discharged to the ground when the lightning stroke exists, so that the damage of the device caused by the lightning stroke can be prevented, the lightning protection effect and the lightning protection safety of the device can be improved, and the protection capability of the device on the lightning activity can be improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic flow chart of a lightning protection method based on high-frequency isolation according to an embodiment of the present invention;

FIG. 2 is a schematic flow chart of another lightning protection method based on high-frequency isolation according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a lightning protection device based on high-frequency isolation according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another lightning protection device based on high-frequency isolation according to an embodiment of the disclosure;

fig. 5 is a schematic structural diagram of another lightning protection device based on high-frequency isolation according to an embodiment of the disclosure.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, article, or article that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or article.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The invention discloses a lightning protection method and device based on high-frequency isolation, which can be beneficial to improving the damage prevention of equipment caused by lightning stroke, thereby being beneficial to improving the lightning protection effect and safety of the equipment and further being beneficial to improving the protection capability of the equipment on lightning activities. The following are detailed below.

Example one

Referring to fig. 1, fig. 1 is a schematic flow chart of a lightning protection method based on high-frequency isolation according to an embodiment of the present invention. The lightning protection method based on high-frequency isolation described in fig. 1 may be applied to a lightning protection device based on high-frequency isolation, and may also be applied to a cloud server or a local server based on high-frequency isolation lightning protection, which is not limited in the embodiment of the present invention. As shown in fig. 1, the lightning protection method based on high frequency isolation may include the following operations:

101. lightning strike data is collected, the lightning strike data including a lightning strike current.

In the embodiment of the present invention, the lightning strike data may be collected periodically according to a preset time period, may also be collected according to a received instruction for collecting the lightning strike data, and may also be collected uninterruptedly in real time, which is not limited in the embodiment of the present invention. Optionally, the collected lightning stroke data may be collected by one or more of a lightning detector, a monitoring detector, and a ground resistance detector. It should be noted that the lightning detector can be used for collecting data of lightning strike on the lightning rod; the monitoring detector can be used for acquiring information corresponding to the electrical equipment, wherein the information corresponding to the electrical equipment can include one or more of the operating state of the electrical equipment, the operating temperature of the electrical equipment, the operating humidity of the electrical equipment and the overcurrent strength of the electrical equipment, and whether the electrical equipment is abnormal or not is judged according to the information corresponding to the electrical equipment; the grounding resistance detector can be used for collecting data of a grounding resistance on the grounding device, and if the data of the grounding resistance exceeds a preset safety threshold value, the data is determined to be abnormal. Like this through the collection of multiple mode carrying out thunderbolt data to and gather thunderbolt data from all aspects, can improve follow-up content according to thunderbolt data includes and judge whether there is the accuracy of thunderbolt, thereby can be favorable to preventing equipment and cause the damage because of the thunderbolt, and then be favorable to improving equipment's lightning protection effect and lightning protection security.

In the embodiment of the present invention, optionally, the lightning strike data includes a lightning strike current, and further, the lightning strike data may further include one or more of a lightning strike voltage, a lightning strike location, a lightning strike time, a lightning strike current peak, and a lightning strike current polarity. Therefore, by collecting the lightning stroke data in multiple aspects, the accuracy of judging whether lightning strokes exist or not according to the content included by the lightning stroke data can be improved, so that the equipment is prevented from being damaged by the lightning strokes, and the lightning protection effect and the lightning protection safety of the equipment are improved.

102. And judging whether the lightning stroke exists according to the content included in the lightning stroke data.

In the embodiment of the present invention, when the determination result in step 102 is used to indicate that there is a lightning stroke, step 103 is triggered to be executed.

In an alternative embodiment, determining whether a lightning strike is present based on the content included in the lightning strike data includes:

when the judgment result is used for indicating that the current value of the lightning stroke current is greater than or equal to a preset current threshold value, determining that the lightning stroke exists;

when the judgment result is used for indicating that the current value of the lightning stroke current is smaller than a preset current threshold value, determining that the lightning stroke does not exist;

and, the method further comprises:

and when judging that no lightning stroke exists, triggering the cloud platform to execute the operation of evaluating the lightning protection performance of the target load equipment, wherein the lightning protection performance comprises one or more of the functions, the operation temperature, the operation humidity and the circuit operation condition of a lightning protection device.

In this alternative embodiment, the preset current threshold may optionally be 15000 amps. For example, when the collected lightning strike current is 25000 amperes, determining that the lightning strike exists; and when the collected lightning stroke current is 500 amperes, determining that the lightning stroke does not exist. Therefore, the lightning stroke current is judged whether to be larger than the preset current threshold value or not, if yes, the existence of the lightning stroke is determined, and if not, the absence of the lightning stroke is determined, so that the accuracy of determining the existence of the lightning stroke can be improved.

In this optional embodiment, optionally, when it is determined that there is no lightning strike, the operation of triggering the cloud platform to perform the evaluation of the lightning protection performance of the target load device may be one or more of evaluating whether the function of the lightning protection device of the target load device is complete, evaluating whether the lightning protection device of the target load device is damaged, evaluating whether the operating temperature of the target load device is within a preset temperature threshold range, evaluating whether the operating humidity of the target load device is within a preset humidity threshold range, evaluating whether a circuit of the target load device is damaged, and evaluating whether the circuit of the target load device is shorted and/or broken. And when the lightning protection performance of the target load equipment is judged to have an abnormal state, judging the abnormal reason of the abnormal state, and carrying out management and control operation on the target load equipment according to the abnormal reason. For example, when the operating temperature of the target load device is determined to be higher than the preset temperature threshold, the operation of cooling and/or stopping the operating work of the target load device is performed on the target load device, so that the operating temperature of the target load device is within the temperature threshold range. Like this through when judging when not having the thunderbolt, trigger the operation that the lightning protection performance of cloud platform execution aassessment target load equipment, when judging that the lightning protection performance of target load equipment has abnormal condition, the analysis is unusual for reason to according to unusual reason to the operation that corresponds is carried out to lightning protection equipment, can be favorable to preventing equipment and cause the damage because of the thunderbolt, and then be favorable to improving equipment's lightning protection effect and lightning protection security, and be favorable to improving equipment to the protective capacities of lightning activity.

In this optional embodiment, optionally, the lightning strike data further includes a lightning strike voltage, and the determining whether there is a lightning strike according to the content included in the lightning strike data may further include: judging whether the voltage value of the collected lightning voltage is greater than a preset voltage threshold value or not to obtain a judgment result; if the judgment result is used for indicating that the voltage value of the collected lightning stroke voltage is larger than a preset voltage threshold value, determining that the lightning stroke exists; and if the judgment result is used for indicating that the voltage value of the lightning stroke voltage is smaller than the preset voltage threshold value, determining that the lightning stroke does not exist. Therefore, the method for determining whether the lightning stroke exists can enrich the mode of determining whether the lightning stroke exists by judging whether the lightning stroke voltage is greater than the preset voltage threshold value, thereby being beneficial to improving the intelligence of determining the existence of the lightning stroke and further being beneficial to improving the accuracy of determining the existence of the lightning stroke.

In this optional embodiment, further optionally, the determining whether the current value of the collected lightning current is greater than the preset current threshold and the determining whether the voltage value of the collected lightning voltage is greater than the preset voltage threshold may be performed simultaneously, or may be performed first to determine whether the current value of the collected lightning current is greater than the preset current threshold, or may be performed first to determine whether the voltage value of the collected lightning voltage is greater than the preset voltage threshold, or may be performed only to determine whether the current value of the collected lightning current is greater than the preset current threshold or performed only to determine whether the voltage value of the collected lightning voltage is greater than the preset voltage threshold, which is not limited in the embodiment of the present invention. Therefore, the method for determining whether the lightning stroke exists is enriched, the intelligence for determining the existence of the lightning stroke can be improved, the accuracy for determining the existence of the lightning stroke is improved, the equipment is prevented from being damaged due to the lightning stroke, and the lightning protection effect and the lightning protection safety of the equipment are improved.

It can be seen that, by implementing the method described in this optional embodiment, it can be determined whether the collected lightning current is greater than a preset current threshold, if the collected lightning current is greater than or equal to the current threshold, it is determined that there is a lightning strike, and if the collected lightning current is less than the current threshold, it is determined that there is no lightning strike, and when it is determined that there is no lightning strike, the cloud platform is triggered to execute an operation of evaluating the lightning protection performance of the target load device, which can be beneficial to improving the intelligence of determining that there is a lightning strike, thereby being beneficial to improving the accuracy of determining that there is a lightning strike, further being beneficial to preventing the device from being damaged by a lightning strike, being beneficial to improving the lightning protection effect and lightning protection safety of the device, and being beneficial to improving the protection capability of the device against lightning activities.

103. And when the lightning stroke exists, executing target operation matched with the lightning stroke current, wherein the target operation comprises the operation of reducing the lightning stroke current output to the target equipment and/or executing earth leakage on the lightning stroke current.

In this embodiment of the present invention, optionally, the reducing of the lightning strike current output to the target device may be performed by a preset isolated power protection module, where the preset isolated power protection module includes a high-frequency isolation suppressor, a B-stage SPD, and a C-stage SPD. It should be noted that, both the class-B SPD and the class-C SPD are surge protectors (lightning protectors), which can protect indirect lightning and/or direct lightning in a very short time, or other surges of instantaneous overvoltage; the high-frequency isolation suppressor is high in impedance and can suppress and block lightning. Further optionally, the high-frequency isolation suppressor is connected in series in the outlet circuit on the low-voltage side of the power distributor, and is capable of reducing the lightning strike voltage output to the target device when a lightning occurs. Therefore, the lightning current and the lightning voltage output to the target equipment are reduced, the target equipment can be prevented from being damaged due to the fact that the target equipment is excessively high in lightning current and lightning voltage, the lightning protection effect and the lightning protection safety of the target equipment can be improved, and the protective capability of the target equipment for lightning activities is further improved.

In the embodiment of the present invention, optionally, the operation of performing the ground leakage of the lightning strike current may be performed by a preset isolated group grounding lightning leakage module. The preset isolated grouped grounding lightning discharge module can comprise a working ground row, a protection ground row and a lightning protection ground row, and further can comprise a high-frequency isolation suppressor which can suppress and block lightning. It should be noted that, in isolated group ground connection thunder and lightning release module, the work ground is arranged, the connected mode that protection ground was arranged and was arranged is ground separation and connection, the work ground is arranged, each other does not influence between protection ground is arranged and the lightning protection ground, through arranging the work ground like this, protection ground is arranged and the lightning protection ground is arranged and is divided into groups ground, can guarantee normal work between the three, do not receive signal interference, be favorable to the safety of maintenance of equipment, thereby can improve the lightning protection effect and the lightning protection security of target equipment, and then be favorable to improving the protective capacities of equipment to the thunder and lightning activity.

It can be seen that, implementing the lightning protection method based on high frequency isolation described in fig. 1 can collect lightning stroke data, determine whether there is a lightning stroke according to the content included in the lightning stroke data, and when it is determined that there is a lightning stroke, execute a target operation matched with the lightning stroke current, where the target operation includes reducing the lightning stroke current output to the target device and/or executing an operation of discharging the lightning stroke current to the ground, and can be beneficial to improving the accuracy of determining that there is a lightning stroke, and preventing the device from being damaged by the lightning stroke, thereby being beneficial to improving the lightning protection effect and lightning protection safety of the device, and further being beneficial to improving the protection capability of the device against lightning activities.

Example two

Referring to fig. 2, fig. 2 is a schematic flow chart of a lightning protection method based on high-frequency isolation according to an embodiment of the present invention. The lightning protection method based on high-frequency isolation described in fig. 2 may be applied to a lightning protection device based on high-frequency isolation, and may also be applied to a cloud server or a local server based on high-frequency isolation lightning protection, which is not limited in the embodiment of the present invention. As shown in fig. 2, the lightning protection method based on high frequency isolation may include the following operations:

201. lightning strike data is collected, the lightning strike data including a lightning strike current.

202. And judging whether the lightning stroke exists according to the content included in the lightning stroke data.

203. And when the lightning stroke exists, executing target operation matched with the lightning stroke current, wherein the target operation comprises the operation of reducing the lightning stroke current output to the target equipment and/or executing earth leakage on the lightning stroke current.

In the embodiment of the present invention, for other descriptions of steps 201 to 203, please refer to the detailed description of steps 101 to 103 in the first embodiment, which is not repeated herein.

204. Detecting whether a leakage current flows back to a target device, wherein the leakage current is lightning strike current from the leakage to the ground.

In the embodiment of the present invention, when the determination result in step 204 is used to indicate that the drain current flows back to the target device, step 205 is triggered to be executed; when the determination result in step 204 is used to indicate that the drain current does not flow back to the target device, the present flow is ended.

205. And when the drain current is detected to flow back to the target equipment, blocking operation is performed on the drain current.

In the embodiment of the present invention, the blocking operation of the leakage current may be performed by a high-frequency isolation suppressor preset in the circuit. The high-frequency isolation suppressor is used for blocking the leakage current, so that the target equipment can be prevented from being damaged due to the fact that the target equipment is invaded by the lightning current and/or the lightning voltage in lightning.

In the embodiment of the invention, further optional, the high-frequency isolation suppressor performs blocking operation on the leakage current, and can also effectively prevent ground potential counterattack of lightning stroke and prevent target equipment from being damaged due to reverse flow of the leakage current. It should be noted that ground potential counterattack is a phenomenon that an external lightning protection system (such as a lightning rod, a lightning protection net, etc.) of a building is directly struck by lightning, dangerous overvoltage is generated at two ends of a ground resistance, and the overvoltage is introduced into the equipment by a ground wire of the equipment, an external lightning protection system of the building or other nearby buildings or other natural lightning receptors (various pipelines, cable shielding pipes, etc.), so that the equipment is damaged. The ground potential counterattack not only harms the equipment in the building, but also endangers the equipment in the adjacent building, and although the equipment in the adjacent building is not directly struck by lightning, after the nearby building is struck by lightning, the transient high potential is transmitted to the equipment grounding system in the adjacent building along the underground pipeline to counterattack the lines, so that the equipment connected with the lines is damaged by the transient high potential. Therefore, when the leakage current is detected to flow backwards to the target equipment, the leakage current is blocked, the target equipment can be effectively prevented from being damaged due to the invasion of lightning current, ground potential counterattack can be effectively prevented, and the prevention equipment and the adjacent buildings of the equipment are favorably prevented from being damaged due to lightning stroke, so that the lightning protection effect and the lightning protection safety of the equipment are favorably improved, and the protection capability of the equipment on lightning activities is favorably improved.

It can be seen that implementing a high frequency isolation based lightning protection method as described in fig. 2 enables the collection of lightning strike data, judging whether lightning stroke exists or not according to the content included in the lightning stroke data, executing target operation matched with lightning stroke current when the lightning stroke exists, wherein the target operation comprises the operation of reducing the lightning stroke current output to target equipment and/or executing ground leakage on the lightning stroke current, detecting whether the leakage current flows back to the target equipment or not, when the leakage current is detected to flow back to the target equipment, the blocking operation is carried out on the leakage current, whether the leakage current flows back to the target equipment can be judged, if yes, the leakage current is blocked, the damage of the equipment caused by lightning stroke is prevented, therefore, the lightning protection effect and the lightning protection safety of the equipment can be improved, and the protection capability of the equipment on lightning activities can be improved.

In an optional embodiment, after collecting the lightning strike data, the method further comprises:

and uploading the lightning stroke data to a preset cloud platform to trigger the cloud platform to monitor the target load equipment, wherein the target load equipment is the load equipment associated with the cloud platform.

In this optional embodiment, optionally, the number of the target load devices may be one or multiple, and is not limited in the embodiment of the present invention.

In this optional embodiment, the lightning strike data is uploaded to a preset cloud platform, and may be uploaded in an RS485 communication mode, or in a 4G communication mode, or in combination with the RS485 communication mode and the 4G communication mode, which is not limited in the embodiment of the present invention. It should be noted that the RS485 communication mode is a typical serial communication standard, and the RS485 communication mode has good noise interference immunity. Therefore, lightning stroke data are uploaded to the preset cloud platform through the RS485 communication mode and/or the 4G communication mode, the efficiency of uploading the lightning stroke data to the preset cloud platform can be improved, and therefore the efficiency of triggering the cloud platform to monitor target load equipment can be improved.

Therefore, by implementing the method described in this optional embodiment, the lightning strike data can be uploaded to a preset cloud platform to trigger the cloud platform to monitor the target load device, which is beneficial to improving the efficiency of triggering the cloud platform to monitor the target load device, and preventing the target load device from being damaged by lightning strike, thereby being beneficial to improving the protection capability of the target load device against lightning activities.

In another alternative embodiment, after performing the target operation matching the lightning strike current, the method further comprises:

generating a lightning stroke rule corresponding to a preset time period according to the lightning stroke information;

predicting the lightning stroke trend of the lightning activity according to the lightning stroke rule, wherein the lightning stroke trend comprises one or more of the predicted time of the next lightning stroke of the lightning activity, the predicted place of the next lightning stroke of the lightning activity, the predicted current value of the next lightning stroke of the lightning activity and the predicted damage condition of the next lightning stroke of the lightning activity to the target load equipment;

and uploading the lightning trend to the cloud platform to trigger the cloud platform to perform an operation matched with the lightning trend on the target load equipment.

In this optional embodiment, optionally, the lightning strike information may further include a thundercloud position corresponding to the historical lightning strike time, and a thundercloud height corresponding to the historical lightning strike time. Further optionally, generating a lightning stroke rule corresponding to the preset time period according to the lightning stroke information may include: according to the lightning stroke information, the lightning stroke information is input into the preset lightning stroke statistical model, and the lightning stroke rule corresponding to the preset time period is generated, so that the accuracy of the follow-up lightning trend prediction of the lightning activity can be favorably improved by inputting the lightning stroke information into the preset lightning stroke statistical model, the lightning protection effect and the lightning protection safety of the target load equipment can be favorably improved, and the protection capability of the target load equipment on the lightning activity can be favorably improved.

In this alternative embodiment, the predicted location of the next lightning strike of lightning activity may optionally include the longitude and latitude of the predicted location. Further optionally, when the lightning trend is used for indicating that the position corresponding to the longitude and the latitude of the predicted location of the next lightning stroke of the lightning activity is a forest and the predicted current value of the next lightning stroke of the lightning activity is greater than a preset safe current value, determining that the risk of forest fire caused by lightning exists, analyzing the risk degree of the risk of forest fire caused by lightning, and when the risk degree is greater than a preset degree threshold value, uploading the lightning trend to the cloud platform to trigger the cloud platform to send warning information to fire fighting, wherein the warning information comprises one or more of the position corresponding to the longitude and the latitude of the predicted location of the next lightning stroke of the lightning activity, the moment of the next lightning stroke of the lightning activity, the number of lightning strokes in the next preset time period, and the environment around the position corresponding to the longitude and the latitude of the predicted location of the next lightning stroke of the lightning activity, the warning information can be ' forecast that lightning stroke exists at 19 o ' clock, 15 min, 23 sec today, the lightning stroke has risk of causing mountain fire, and the lightning stroke is in the northern side of the mountain, please prevent in time '. Through analysis thunder and lightning trend like this, when the thunder and lightning trend is used for showing to have the safety risk, this safety risk of analysis to carry out the operation that corresponds with this safety risk, can be favorable to improving the lightning protection security of target load equipment, can also be favorable to improving the environment of forest etc. and cause destruction because of the thunderbolt.

Therefore, by implementing the method described in the optional embodiment, historical lightning stroke data in a past preset time period can be obtained and analyzed to obtain lightning stroke information, a corresponding lightning stroke rule in the preset time period is generated according to the lightning stroke information, a lightning stroke trend of lightning activities is predicted according to the lightning stroke rule, and the lightning stroke trend is uploaded to the cloud platform to trigger the cloud platform to execute operation matched with the lightning stroke trend, so that the lightning protection safety of equipment and environment can be improved, and the protection capability of the equipment and the environment on the lightning activities can be improved.

In yet another alternative embodiment, uploading the lightning trend to the cloud platform to trigger the cloud platform to perform an operation on the target load device that matches the lightning trend includes:

and when the lightning trend is used for representing that the next lightning stroke of the lightning stroke activity can cause the electric leakage of the target load equipment, uploading the lightning trend to the cloud platform so as to trigger the cloud platform to execute the operation of cutting off the power supply corresponding to the target load equipment at the predicted moment.

In this alternative embodiment, the predicted time may optionally be a time before the predicted time of the next lightning stroke. Therefore, the power supply corresponding to the target load equipment is cut off before the next lightning stroke moment, the target load equipment can be prevented from being damaged due to the lightning stroke, the lightning protection effect and the lightning protection safety of the target load equipment can be improved, and the protection capability of the target load equipment on lightning activities can be improved.

In this optional embodiment, further optionally, the lightning trend may also include an active path of lightning within a future preset time period, one or more of the moment corresponding to each lightning stroke in the future preset time period, the place corresponding to each lightning stroke in the future preset time period and the lightning stroke current value corresponding to each lightning stroke in the future preset time period, furthermore, the lightning stroke trend can be generated into visual figures such as topographic maps or wave maps and the like, through content and visual figure including in according to the thunder and lightning trend like this, can let managers know the thunder and lightning trend directly perceivedly, make managers can in time carry out corresponding operation according to the thunder and lightning trend, can be favorable to making managers in time provide technical support according to the thunder and lightning trend, be favorable to improving the lightning protection effect and the lightning protection security of target load equipment to and be favorable to improving the protective capacities of target load equipment to the thunder and lightning activity.

In this optional embodiment, further optionally, when the lightning trend is used to indicate that the next lightning stroke of the lightning stroke activity can cause the electrical leakage of the target load device, it is determined whether there is a potential safety hazard problem in the electrical component corresponding to the predicted electrical leakage phenomenon occurring in the target load device, where the electrical component may include an electric wire and/or a circuit, and when it is determined that there is a potential safety hazard problem in the electrical component corresponding to the electrical leakage phenomenon occurring in the target load device, the potential safety hazard problem is analyzed to obtain a potential safety hazard reason, and the potential safety hazard problem and the potential safety hazard reason are uploaded to the cloud platform, so as to trigger the cloud platform to perform a repair or replacement operation on the electrical component corresponding to the target load device. Whether the electrical component that the electric leakage phenomenon corresponds takes place through judging target load equipment has the potential safety hazard problem like this, further analysis potential safety hazard reason to upload to the cloud platform, in order to trigger the cloud platform and carry out the operation that corresponds, can enrich the intelligence of cloud platform, thereby be favorable to improving target load equipment's lightning protection effect and lightning protection security, and then and be favorable to improving target load equipment to the protective capacities of thunder and lightning activity.

Therefore, by implementing the method described in the optional embodiment, when it is determined that the target load device can be damaged due to the lightning trend, the lightning trend can be uploaded to the cloud platform to trigger the cloud platform to execute the corresponding operation, and the intelligence of the cloud platform can be enriched, so that the lightning protection effect and the lightning protection safety of the target load device can be improved, and the protection capability of the target load device on lightning activities can be improved.

In yet another optional embodiment, the method further comprises:

receiving feedback information of the cloud platform, wherein the feedback information comprises one or more of a damaged function of the target load equipment and the time when the target load equipment is damaged;

analyzing the feedback information, generating the operation trend of the target load equipment, and making a protection scheme corresponding to the operation trend;

and uploading the operation trend and the protection scheme to the cloud platform to trigger the cloud platform to execute the operation matched with the protection scheme on the target load equipment.

In this optional embodiment, optionally, the feedback information may further include one or more of a damaged device of the target load apparatus and a damaged device number of the target load apparatus. Furthermore, whether the reason of the electric leakage of the target load equipment is related to the lightning stroke can be judged according to the moment of the electric leakage of the target load equipment. For example, when the feedback information is used for indicating that the target load equipment has an electric leakage phenomenon, analyzing the reason that the target load equipment has the electric leakage phenomenon, generating an operation trend of the target load equipment, when the operation trend is used for indicating that the target load equipment continues to operate and causes a fire, making a protection scheme corresponding to the operation trend, and uploading the operation trend and the protection scheme to a cloud platform to trigger the cloud platform to perform an operation matched with the protection scheme on the target load equipment, wherein the protection scheme may include one or more of repairing a circuit device generating the electric leakage phenomenon in the target load equipment, cutting off a power supply corresponding to the target load equipment, and reminding a place generating the fire to prepare a fire extinguishing appliance in advance. Therefore, the operation trend and the protection scheme are uploaded to the cloud platform to trigger the cloud platform to execute corresponding operation, further damage to the target load equipment can be avoided, and the safety of using the target load equipment is improved.

Therefore, by implementing the method described in this optional embodiment, the feedback information of the cloud platform can be received and analyzed, the operation trend of the target load device is generated, the corresponding protection scheme is formulated, and the operation trend and the protection scheme are uploaded to the cloud platform to trigger the cloud platform to execute the operation matched with the protection scheme, so that the target load device can be prevented from being further damaged, and the improvement of the safety of using the target load device is facilitated.

EXAMPLE III

Referring to fig. 3, fig. 3 is a schematic structural diagram of a lightning protection device based on high-frequency isolation according to an embodiment of the present invention. As shown in fig. 3, the lightning protection device based on high frequency isolation includes:

the collecting module 301 is configured to collect lightning strike data, where the lightning strike data includes lightning strike current.

The determining module 302 is configured to determine whether a lightning stroke exists according to content included in the lightning stroke data.

And an executing module 303, configured to execute a target operation matched with the lightning strike current when the determining module 302 determines that there is a lightning strike, where the target operation includes reducing the lightning strike current output to the target device and/or performing an operation of discharging the lightning strike current to the ground.

It can be seen that implementing the device described in fig. 3 can collect lightning stroke data, determine whether there is a lightning stroke according to the content included in the lightning stroke data, when it is determined that there is a lightning stroke, execute a target operation matched with a lightning stroke current, where the target operation includes reducing the lightning stroke current output to a target device and/or executing an operation of discharging the lightning stroke current to the ground, and can be beneficial to improving the accuracy of determining that there is a lightning stroke, thereby being beneficial to preventing the device from being damaged by the lightning stroke, and further being beneficial to improving the lightning protection effect and the lightning protection safety of the device, and being beneficial to improving the protection capability of the device against lightning activities.

In an alternative embodiment, as shown in fig. 4, the apparatus further comprises:

a detecting module 304, configured to detect whether a leakage current flows back to a target device, where the leakage current is a lightning strike current from ground leakage;

a blocking module 305, configured to perform a blocking operation on the leakage current when the detection module 304 detects that the leakage current flows back to the target device.

It can be seen that, implement the device that figure 4 described and can detect whether the earial drainage electric current flows backward to target equipment, when detecting out that earial drainage electric current flows backward to target equipment, carry out to earial drainage electric current and block the operation, can flow backward to target equipment through judging earial drainage electric current, if, then block earial drainage electric current, be favorable to preventing equipment and cause the damage because of the thunderbolt to be favorable to improve the lightning protection effect and the lightning protection security of equipment, and then and be favorable to improving the protective capacities of equipment to the thunder and lightning activity.

In another alternative embodiment, as shown in fig. 4, the apparatus further comprises:

the uploading module 306 is configured to upload the lightning strike data to a preset cloud platform after the lightning strike data is collected by the collection module 301, so as to trigger the cloud platform to monitor a target load device, where the target load device is a load device associated with the cloud platform.

Therefore, by implementing the device described in fig. 4, lightning strike data can be uploaded to a preset cloud platform to trigger the cloud platform to monitor the target load device, so that damage to the target load device due to lightning strike can be prevented, the lightning protection effect and the lightning protection safety of the target load device can be improved, and the protection capability of the target load device on lightning activities can be improved.

In yet another alternative embodiment, as shown in fig. 4, the apparatus further comprises:

an obtaining module 307, configured to obtain historical lightning strike data in a past preset time period after the executing module 303 executes a target operation matching the lightning strike current;

the analysis module 308 is configured to analyze historical lightning strike data to obtain corresponding lightning strike information in a preset time period, where the lightning strike information includes one or more of lightning strike times, lightning strike places, lightning strike moments, and current values of each lightning strike in the preset time period;

the generating module 309 is configured to generate a lightning stroke rule corresponding to a preset time period according to the lightning stroke information;

the predicting module 310 is configured to predict a lightning strike trend of the lightning activity according to the lightning strike rule, where the lightning strike trend includes one or more of a predicted time of a next lightning strike of the lightning activity, a predicted place of the next lightning strike of the lightning activity, a predicted current value of the next lightning strike of the lightning activity, and a predicted damage condition of the next lightning strike of the lightning activity to the target load device;

the uploading module 306 is further configured to upload the lightning trend to the cloud platform to trigger the cloud platform to perform an operation matched with the lightning trend on the target load device.

It can be seen that the implementation of the device described in fig. 4 can acquire and analyze historical lightning stroke data in a past preset time period to obtain lightning stroke information, generate a corresponding lightning stroke rule in the preset time period according to the lightning stroke information, predict a lightning stroke trend of lightning activities according to the lightning stroke rule, and upload the lightning stroke trend to the cloud platform so as to trigger the cloud platform to execute an operation matched with the lightning stroke trend, which can be beneficial to improving lightning protection safety of equipment and environment, and is beneficial to improving protection capability of the equipment and the environment against the lightning activities.

In yet another optional embodiment, the uploading module 306 uploads the lightning trend to the cloud platform to trigger the cloud platform to perform an operation matching the lightning trend on the target load device specifically:

It can be seen that, when the device described in fig. 4 is implemented, the lightning trend can be uploaded to the cloud platform when it is determined that the lightning trend can cause damage to the target load device, so as to trigger the cloud platform to execute corresponding operations, and the intelligence of the cloud platform can be enriched, thereby being beneficial to improving the lightning protection effect and the lightning protection safety of the target load device, and further being beneficial to improving the protection capability of the target load device on lightning activities.

In yet another alternative embodiment, the apparatus further comprises:

the receiving module 311 is configured to receive feedback information of the cloud platform, where the feedback information includes one or more of a function of the damaged target load device and a time when the target load device is damaged;

the analysis module 308 is further configured to analyze the feedback information, generate an operation trend of the target load device, and formulate a protection scheme corresponding to the operation trend;

the uploading module 306 is further configured to upload the operation trend and the protection scheme to the cloud platform, so as to trigger the cloud platform to execute an operation matched with the protection scheme on the target load device.

It can be seen that, by implementing the apparatus described in fig. 4, the feedback information of the cloud platform can be received and analyzed, the operation trend of the target load device is generated, the corresponding protection scheme is formulated, and the operation trend and the protection scheme are uploaded to the cloud platform to trigger the cloud platform to execute the operation matched with the protection scheme, so that the target load device can be prevented from being further damaged, and the improvement of the security of using the target load device is facilitated.

In yet another optional embodiment, the determining module 302 determines whether there is a lightning stroke according to the content included in the lightning stroke data specifically as follows:

and the executing module 303 is further configured to trigger the cloud platform to execute an operation of evaluating the lightning protection performance of the target load device when the judging module 302 judges that there is no lightning stroke, where the lightning protection performance includes one or more of a function of a lightning protection device, an operating temperature, an operating humidity, and a circuit operating condition.

It can be seen that, the implementation of the device described in fig. 4 can determine whether the collected lightning current is greater than a preset current threshold, if the collected lightning current is greater than or equal to the current threshold, it is determined that there is a lightning stroke, and if the collected lightning current is less than the current threshold, it is determined that there is no lightning stroke, and when there is no lightning stroke, the cloud platform is triggered to execute the operation of evaluating the lightning protection performance of the target load device, which is beneficial to improving the accuracy of determining that there is a lightning stroke, thereby being beneficial to preventing the device from being damaged by the lightning stroke, further being beneficial to improving the lightning protection effect and the lightning protection safety of the device, and being beneficial to improving the protection capability of the device against lightning activities.

Example four

Referring to fig. 5, fig. 5 is a schematic structural diagram of another lightning protection device based on high-frequency isolation according to an embodiment of the present invention. As shown in fig. 5, the lightning protection device based on high frequency isolation may include:

a memory 401 storing executable program code;

a processor 402 coupled with the memory 401;

the processor 402 calls the executable program code stored in the memory 401 to execute the steps of the lightning protection method based on high-frequency isolation described in the first embodiment of the present invention or the second embodiment of the present invention.

EXAMPLE five

The embodiment of the invention discloses a computer storage medium, which stores computer instructions, and the computer instructions are used for executing the steps of the lightning protection method based on high-frequency isolation described in the first embodiment or the second embodiment of the invention when being called.

EXAMPLE six

An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute the steps of the lightning protection method based on high frequency isolation described in the first embodiment or the second embodiment.

The above-described embodiments of the apparatus are merely illustrative, and the modules described as separate components may or may not be physically separate, and the components shown as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above detailed description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. Based on such understanding, the above technical solutions may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, where the storage medium includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc-Read-Only Memory (CD-ROM), or other disk memories, CD-ROMs, or other magnetic disks, A tape memory, or any other medium readable by a computer that can be used to carry or store data.

Finally, it should be noted that: the lightning protection method and device based on high frequency isolation disclosed in the embodiments of the present invention are only preferred embodiments of the present invention, and are only used for illustrating the technical solutions of the present invention, not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lightning protection method based on high frequency isolation, the method comprising:

2. The high frequency isolation based lightning protection method according to claim 1, further comprising:

3. The lightning protection method based on high frequency isolation according to claim 2, wherein after the collecting lightning stroke data, the method further comprises:

4. The high frequency isolation based lightning protection method according to claim 3, wherein after performing the target operation matched to the lightning strike current, the method further comprises:

5. The high-frequency isolation-based lightning protection method according to claim 4, wherein uploading the lightning trend to the cloud platform to trigger the cloud platform to perform an operation on the target load device matching the lightning trend comprises:

6. The high frequency isolation based lightning protection method according to claim 4, further comprising:

7. The lightning protection method based on high-frequency isolation according to claim 6, wherein the judging whether the lightning stroke exists according to the content included in the lightning stroke data comprises the following steps:

and, the method further comprises:

8. A high frequency isolation based lightning protection device, the device comprising:

the lightning stroke data comprises lightning stroke current;

9. A high frequency isolation based lightning protection device, the device comprising:

a memory storing executable program code;

a processor coupled with the memory;

the processor calls the executable program code stored in the memory to execute the high frequency isolation based lightning protection method according to any one of claims 1-7.

10. A computer-storable medium that stores computer instructions that, when invoked, perform a high frequency isolation based lightning protection method according to any one of claims 1-7.