CN108964020B - Physical isolation type lightning protection system and physical isolation type lightning protection method - Google Patents
Physical isolation type lightning protection system and physical isolation type lightning protection method Download PDFInfo
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- CN108964020B CN108964020B CN201810660465.8A CN201810660465A CN108964020B CN 108964020 B CN108964020 B CN 108964020B CN 201810660465 A CN201810660465 A CN 201810660465A CN 108964020 B CN108964020 B CN 108964020B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The application is applicable to the technical field of intelligent monitoring, and provides a physical isolation type lightning protection system and a physical isolation type lightning protection method, which comprise the following steps: the field monitoring unit is used for receiving monitoring data sent by the monitoring equipment and generating a switching signal according to the monitoring data; the power supply changeover switch is used for receiving the switching signal sent by the field monitoring unit and switching the power supply mode of the electric equipment according to the switching signal. The field monitoring unit generates a switching signal after analyzing and judging the received monitoring data, and the power supply switching switch can switch the power supply mode of the electric equipment between a commercial power supply mode and a storage battery power supply mode according to the switching signal, so that the power supply state of the electric equipment can be timely switched when a lightning stroke event possibly occurs, and the safety of the electric equipment is ensured.
Description
Technical Field
The application belongs to the technical field of intelligent monitoring, and particularly relates to a physical isolation type lightning protection system and a physical isolation type lightning protection method.
Background
With the high development of microelectronic technology and the wide application in various fields, the damage of the object of the thunderstorm is shifted from the original damage to the building itself to the damage to the indoor electric and electronic equipment. Electromagnetic induction from lightning is a major source of harm. The traditional lightning protection method is that when lightning invades a power transmission line, lightning current is discharged by a lightning protection device connected in parallel at the front end of a power supply. The method can not completely discharge the lightning current, and part of the lightning current still invades power supply systems of various devices, so that the devices are damaged. In addition, the lightning protection device in the lightning protection method is easy to lose efficacy, and the lightning protection device does not play a role in protection after losing efficacy, so that more serious loss can be caused.
Disclosure of Invention
In view of this, embodiments of the present application provide a physical isolation type lightning protection system and a physical isolation type lightning protection method, so as to solve a problem that a conventional lightning protection method in the prior art cannot effectively prevent lightning from damaging various devices.
A first aspect of an embodiment of the present application provides a physical isolation type lightning protection system, including: the system comprises a field monitoring unit, monitoring equipment, a power supply change-over switch and electric equipment;
the field monitoring unit is respectively connected with the monitoring equipment and the power supply changeover switch;
the power supply change-over switch is connected with the electric equipment;
the field monitoring unit is used for receiving monitoring data sent by the monitoring equipment and generating a switching signal according to the monitoring data;
the power supply changeover switch is used for receiving the switching signal sent by the field monitoring unit and switching the power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery power supply mode.
A second aspect of an embodiment of the present application provides a physical isolation type lightning protection method, where the physical isolation type lightning protection method includes:
the field monitoring unit receives monitoring data sent by monitoring equipment and generates a switching signal according to the monitoring data;
and sending the switching signal to a power supply switching switch, and indicating the power supply switching switch to switch a power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery power supply mode.
A third aspect of embodiments of the present application provides a computer-readable storage medium, which stores a computer program, where the computer program, when executed by a processor, implements a program running in any of the physically-isolated lightning protection systems.
The field monitoring unit in the physical isolation type lightning protection system provided by the embodiment of the application is respectively connected with the monitoring equipment and the power supply change-over switch; the power supply change-over switch is connected with the electric equipment; after receiving the monitoring data sent by the monitoring equipment, the field monitoring unit generates a switching signal according to the monitoring data; and sending the switching signal to a power supply switching switch so that the power supply switching switch switches the power supply mode of the electric equipment according to the switching signal. The field monitoring unit generates a switching signal after analyzing and judging the received monitoring data, and the power supply switching switch can switch the power supply mode of the electric equipment between a commercial power supply mode and a storage battery power supply mode according to the switching signal, so that the power supply state of the electric equipment can be timely switched when a lightning stroke event possibly occurs, and the safety of the electric equipment is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a physical isolation type lightning protection system provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a physically-isolated lightning protection system according to another embodiment of the present application;
fig. 3 is a schematic implementation flow diagram of a physical isolation type lightning protection method provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
The field monitoring unit in the physical isolation type lightning protection system provided by the embodiment of the application is respectively connected with the monitoring equipment and the power supply change-over switch; the power supply change-over switch is connected with the electric equipment; after receiving the monitoring data sent by the monitoring equipment, the field monitoring unit generates a switching signal according to the monitoring data; and sending the switching signal to a power supply switching switch so that the power supply switching switch switches the power supply mode of the electric equipment according to the switching signal.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
The first embodiment is as follows:
fig. 1 shows a schematic structural diagram of a physical isolation type lightning protection system provided in an embodiment of the present application, as shown in the figure, the physical isolation type lightning protection system includes an on-site monitoring unit 11, a monitoring device 12, a power supply changeover switch 13, and an electrical device 14, where:
the on-site monitoring unit 11 is respectively connected with the monitoring device 12 and the power supply changeover switch 13 through a wired or wireless network;
the power supply changeover switch 13 is connected with the electric equipment 14;
the field monitoring unit 11 is configured to receive monitoring data sent by the monitoring device 12, and generate a switching signal according to the monitoring data;
the embodiment that this application provided acquires monitoring data in real time to the monitoring data that will acquire sends on-the-spot monitoring unit 11, wherein, monitoring devices includes monitoring instruments such as battery monitor, atmosphere electric field monitor, and correspondingly, monitoring data that monitoring devices sent to on-the-spot monitoring unit includes: the monitoring system comprises a storage battery monitor, a storage battery monitoring instrument, a power supply monitoring instrument and a data processing instrument, wherein the storage battery monitor monitors data such as voltage and electric quantity of a storage battery set in the system, or/and relevant data such as a thundercloud electric field monitored by an atmospheric electric field monitoring instrument in real time.
For example: the atmospheric electric field monitor monitors an atmospheric electric field in real time, and uploads monitoring data to the field monitoring unit through a modbus protocol. And the field monitoring unit analyzes the monitoring data, and sends a power supply switching mode control signal to the power supply switching switch when judging that the monitoring data indicates lightning early warning.
The power supply changeover switch is used for receiving the switching signal sent by the field monitoring unit and switching the power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery power supply mode.
The power supply changeover switch switches the power supply mode of the electric equipment after receiving the switching signal sent by the field monitoring unit, for example, the power supply mode of the electric equipment is switched from the mains supply mode to the storage battery power supply mode according to the switching signal, or the power supply mode of the electric equipment is switched from the storage battery power supply mode to the mains supply mode.
Further, the physical isolation type lightning protection system is arranged in a communication base station or a hazardous chemical place. When the physical isolation type lightning protection system is arranged in the places, the equipment of the communication base station or the hazardous chemical place can be prevented from being influenced by lightning stroke, normal operation of the equipment can be ensured, and normal operation of other equipment controlled by the communication base station or the hazardous chemical place is further ensured.
Further, when the on-site monitoring unit generates the switching signal according to the monitoring data, the method specifically includes:
analyzing the lightning early warning level of the thundercloud electric field data according to the thundercloud electric field data received by the field monitoring unit to obtain an analysis result;
meanwhile, whether the electric equipment can normally operate in the storage battery power supply mode is judged according to electric quantity data monitored by a field monitoring unit, and a judgment result is obtained;
if the current power supply mode is a commercial power supply mode, the lightning early warning level is obtained to be in an advanced state according to the analysis result, and the electric quantity of the storage battery can be determined to maintain the normal operation of the electric equipment according to the judgment result, and then a first switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a commercial power supply mode to a storage battery power supply mode according to the first switching signal.
The field monitoring unit receives thundercloud electric field data sent by the atmospheric electric field monitor in real time, and judges the lightning early warning level according to the data and a preset thundercloud electric field threshold value; at this moment, if the obtained lightning early warning level is in a high-level state and is in a mains supply state currently, and the electric quantity of the storage battery is sufficient (meaning a state sufficient for maintaining normal operation of the electric equipment), a first switching signal of the power supply changeover switch is generated, and after the power supply changeover switch receives the first switching signal, the power supply state of the electric equipment is switched from the mains supply mode to the storage battery supply mode, so that damage to the electric equipment caused by lightning is avoided, and the safety of the electric equipment is ensured.
Further, if the current power supply mode is a storage battery power supply mode, the lightning early warning level is in a non-advanced state according to the analysis result, or the electric quantity of the storage battery cannot maintain the normal operation of the electric equipment according to the judgment result, a second switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a storage battery power supply mode to a commercial power supply mode according to the second changeover signal.
In this step, if the monitoring data received by the on-site monitoring unit includes electric quantity data, whether the electric quantity is sufficient is judged according to the electric quantity data and a preset electric quantity threshold (the preset electric quantity threshold is set according to the electric quantity required under the condition that the electric equipment normally works); if not, or the current lightning early warning level is no longer in the advanced state, generating a second switching signal, so that the power supply switching switch switches the power supply mode of the electric equipment from the current storage battery power supply mode to the commercial power supply mode according to the second switching signal.
That is, the on-site monitoring unit in the embodiments provided in this application polls various monitors in real time, and then the monitors return monitoring data in real time. For example, the field monitoring unit can obtain the atmospheric electric field data and the electric quantity data in real time, and can compare the atmospheric electric field data and the electric quantity data with the threshold value in real time to judge whether the lightning early warning level and the electric quantity are sufficient or not. When the commercial power is supplied with power, if the lightning early warning is judged to be in a high-grade state and the electric quantity of the storage battery is sufficient, a first switching signal is generated to be switched to a storage battery power supply mode. Similarly, if the current power supply mode is the storage battery power supply mode, when the field monitoring unit judges that the lightning early warning is in a low-level state or the electric quantity of the storage battery is insufficient, a second switching signal is generated to be switched to the commercial power supply mode.
Fig. 2 shows a schematic structural diagram of the physical isolation type lightning protection system provided in another embodiment of the present application, where the physical isolation type lightning protection system includes an on-site monitoring unit 21, a monitoring device 22, a power switch 23, and an electrical device 24, and further includes: a cloud platform 25 and a remote monitoring center 26;
wherein: the on-site monitoring unit 21 is respectively connected with the monitoring equipment 22 and the power supply changeover switch 23 through a wired or wireless network;
the power supply changeover switch 23 is connected with the electric equipment 24;
the cloud platform 25 is respectively connected to the on-site monitoring unit 21 and the remote monitoring center 26, and is configured to receive the monitoring data sent by the on-site monitoring unit and display the monitoring data to a user.
The field monitoring unit 21 in the physical isolation type lightning protection system provided in this embodiment may also be connected to the cloud platform 25 in a wired or wireless manner, and send the monitoring data acquired from the monitoring device 22 to the cloud platform 25, the cloud platform 25 stores the received data, and the remote control center 26 connected to the cloud platform 25 may invoke the relevant data from the cloud platform 25 when receiving a viewing instruction of the user, and then display the data to the user, so that the user can know the working state of the electric device and the power supply mode of the electric device at any time.
Further, the remote monitoring center is further configured to receive a switching signal sent by the user, and send the switching signal sent by the user to the field monitoring unit through the cloud platform.
The remote control center can also receive switching information sent by a user, and forwards the switching information sent by the user to the field monitoring unit through the cloud platform, so that the field monitoring unit can control the closing state of the power supply changeover switch. The remote control center is provided with a screen for displaying, and can be arranged at a position nearest to related workers, so that the workers can conveniently check the screen and timely make feedback.
The field monitoring unit in the physical isolation type lightning protection system provided by the embodiment of the application is respectively connected with the monitoring equipment and the power supply change-over switch; the power supply change-over switch is connected with the electric equipment; after receiving the monitoring data sent by the monitoring equipment, the field monitoring unit generates a switching signal according to the monitoring data; and sending the switching signal to a power supply switching switch so that the power supply switching switch switches the power supply mode of the electric equipment according to the switching signal. The field monitoring unit generates a switching signal after analyzing and judging the received monitoring data, and the power supply switching switch can switch the power supply mode of the electric equipment between a commercial power supply mode and a storage battery power supply mode according to the switching signal, so that the power supply state of the electric equipment can be timely switched when a lightning stroke event possibly occurs, and the safety of the electric equipment is ensured.
Example two:
corresponding to the physical isolation type lightning protection system described in the foregoing embodiment, fig. 3 shows an implementation flow diagram of the physical isolation type lightning protection method provided in the embodiment of the present application, which is detailed as follows:
step S31, the on-site monitoring unit receives monitoring data sent by the monitoring equipment and generates a switching signal according to the monitoring data;
the embodiment that this application provided in the embodiment supervisory equipment acquires monitoring data in real time to the monitoring data who will acquire sends the on-the-spot monitoring unit, wherein, supervisory equipment includes monitoring instruments such as battery monitor, atmosphere electric field monitor, and corresponding supervisory equipment includes to the monitoring data that the on-the-spot monitoring unit sent: the monitoring system comprises a storage battery monitor, a storage battery monitoring instrument, a power supply monitoring instrument and a data processing instrument, wherein the storage battery monitor monitors data such as voltage and electric quantity of a storage battery set in the system, or/and relevant data such as a thundercloud electric field monitored by an atmospheric electric field monitoring instrument in real time.
After receiving the monitoring data sent by the monitoring device, the field monitoring unit analyzes the monitoring function data to generate a switching signal, for example: the atmospheric electric field monitor monitors an atmospheric electric field in real time, and uploads monitoring data to the field monitoring unit through a modbus protocol. And the field monitoring unit analyzes the monitoring data, and sends a power supply switching mode control signal to the power supply switching switch when judging that the monitoring data indicates lightning early warning.
And step S32, sending the switching signal to a power supply switching switch, and instructing the power supply switching switch to switch a power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery supply mode.
In this step, the power supply switch switches the power supply mode of the electrical equipment after receiving the switching signal sent by the field monitoring unit, for example, the power supply mode of the electrical equipment is switched from the mains supply mode to the storage battery power supply mode according to the switching signal, or the power supply mode of the electrical equipment is switched from the storage battery power supply mode to the mains supply mode.
Further, the system corresponding to the physical isolation type lightning protection method is arranged in a communication base station or a hazardous chemical place. When the physical isolation type lightning protection system is arranged in the places, the equipment of the communication base station or the hazardous chemical place can be prevented from being influenced by lightning stroke, normal operation of the equipment can be ensured, and normal operation of other equipment controlled by the communication base station or the hazardous chemical place is further ensured.
Further, when the on-site monitoring unit generates the switching signal according to the monitoring data, the method specifically includes:
analyzing the lightning early warning level of the thundercloud electric field data according to the thundercloud electric field data received by the field monitoring unit to obtain an analysis result;
meanwhile, whether the electric equipment can normally operate in the storage battery power supply mode is judged according to electric quantity data monitored by a field monitoring unit, and a judgment result is obtained;
if the current power supply mode is a commercial power supply mode, the lightning early warning level is obtained to be in an advanced state according to the analysis result, and whether the electric quantity of the storage battery can maintain the normal operation of the electric equipment or not is determined according to the judgment result, and then a first switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a commercial power supply mode to a storage battery power supply mode according to the first switching signal.
The field monitoring unit receives thundercloud electric field data sent by the atmospheric electric field monitor in real time, and judges the lightning early warning level according to the data and a preset thundercloud electric field threshold value; at this moment, if the obtained lightning early warning level is in a high-level state and is in a mains supply state currently, and the electric quantity of the storage battery is sufficient (meaning a state sufficient for maintaining normal operation of the electric equipment), a first switching signal of the power supply changeover switch is generated, and after the power supply changeover switch receives the first switching signal, the power supply state of the electric equipment is switched from the mains supply mode to the storage battery supply mode, so that damage to the electric equipment caused by lightning is avoided, and the safety of the electric equipment is ensured.
Further, if the current power supply mode is a storage battery power supply mode, a non-advanced state of the lightning early warning level is obtained according to the analysis result, or whether the electric quantity of the storage battery can not maintain the normal operation of the electric equipment is determined according to the judgment result, a second switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a storage battery power supply mode to a commercial power supply mode according to the second changeover signal.
In this step, if the monitoring data received by the on-site monitoring unit includes electric quantity data, whether the electric quantity is sufficient is judged according to the electric quantity data and a preset electric quantity threshold (the preset electric quantity threshold is set according to the electric quantity required under the condition that the electric equipment normally works); if not, or the current lightning early warning level is no longer in the advanced state, generating a second switching signal, so that the power supply switching switch switches the power supply mode of the electric equipment from the current storage battery power supply mode to the commercial power supply mode according to the second switching signal.
That is, the on-site monitoring unit in the embodiments provided in this application polls various monitors in real time, and then the monitors return monitoring data in real time. For example, the field monitoring unit can obtain the atmospheric electric field data and the electric quantity data in real time, and can compare the atmospheric electric field data and the electric quantity data with the threshold value in real time to judge whether the lightning early warning level and the electric quantity are sufficient or not. When the commercial power is supplied with power, if the lightning early warning is judged to be in a high-grade state and the electric quantity of the storage battery is sufficient, a first switching signal is generated to be switched to a storage battery power supply mode. Similarly, if the current power supply mode is the storage battery power supply mode, when the field monitoring unit judges that the lightning early warning is in a low-level state or the electric quantity of the storage battery is insufficient, a second switching signal is generated to be switched to the commercial power supply mode.
Optionally, the physically-isolated lightning protection method further includes:
the field monitoring unit sends the monitoring data to a cloud platform;
and the cloud platform displays the monitoring data to a user according to the indication of the remote monitoring center.
In the physical isolation type lightning protection method provided by this embodiment, the field monitoring unit may further be connected to the cloud platform in a wired or wireless manner, and send monitoring data acquired from the monitoring device to the cloud platform, and the cloud platform stores the received data, and when receiving a viewing instruction of a user, the remote control center connected to the cloud platform may call related data from the cloud platform and then display the data to the user, so that the user can conveniently know the working state of the electrical equipment and the power supply mode of the electrical equipment at any time.
Further, the remote monitoring center is further configured to receive a switching signal sent by the user, and send the switching signal sent by the user to the field monitoring unit through the cloud platform.
The remote control center can also receive switching information sent by a user, and forwards the switching information sent by the user to the field monitoring unit through the cloud platform, so that the field monitoring unit can control the closing state of the power supply changeover switch. The remote control center is provided with a screen for displaying, and can be arranged at a position nearest to related workers, so that the workers can conveniently check the screen and timely make feedback.
The field monitoring unit in the physical isolation type lightning protection system provided by the embodiment of the application is respectively connected with the monitoring equipment and the power supply change-over switch; the power supply change-over switch is connected with the electric equipment; after receiving the monitoring data sent by the monitoring equipment, the field monitoring unit generates a switching signal according to the monitoring data; and sending the switching signal to a power supply switching switch so that the power supply switching switch switches the power supply mode of the electric equipment according to the switching signal. The field monitoring unit generates a switching signal after analyzing and judging the received monitoring data, and the power supply switching switch can switch the power supply mode of the electric equipment between a commercial power supply mode and a storage battery power supply mode according to the switching signal, so that the power supply state of the electric equipment can be timely switched when a lightning stroke event possibly occurs, and the safety of the electric equipment is ensured.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (8)
1. A physically isolated lightning protection system, comprising: the system comprises a field monitoring unit, monitoring equipment, a power supply change-over switch and electric equipment;
the field monitoring unit is respectively connected with the monitoring equipment and the power supply changeover switch;
the power supply change-over switch is connected with the electric equipment;
the field monitoring unit is used for receiving monitoring data sent by the monitoring equipment and generating a switching signal according to the monitoring data;
the power supply changeover switch is used for receiving the switching signal sent by the field monitoring unit and switching the power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery power supply mode;
when the field monitoring unit generates the switching signal according to the monitoring data, the method specifically includes:
analyzing the lightning early warning level of the thundercloud electric field data according to the thundercloud electric field data received by the field monitoring unit to obtain an analysis result;
meanwhile, whether the electric equipment can normally operate in the storage battery power supply mode is judged according to electric quantity data monitored by a field monitoring unit, and a judgment result is obtained;
if the current power supply mode is a commercial power supply mode, the lightning early warning level is obtained to be in an advanced state according to the analysis result, and the electric quantity of the storage battery can be determined to maintain the normal operation of the electric equipment according to the judgment result, and then a first switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a commercial power supply mode to a storage battery power supply mode according to the first switching signal.
2. The physically isolated lightning protection system of claim 1, further comprising: the system comprises a cloud platform and a remote monitoring center;
the cloud platform is respectively connected with the on-site monitoring unit and the remote monitoring center and is used for receiving the monitoring data sent by the on-site monitoring unit and displaying the monitoring data to a user.
3. The physically isolated lightning protection system of claim 1, wherein the on-site monitoring unit, when generating the switching signal according to the monitoring data, further comprises:
if the current power supply mode is a storage battery power supply mode, obtaining that the lightning early warning level is in a non-advanced state according to the analysis result, or determining that the electric quantity of the storage battery cannot maintain the normal operation of the electric equipment according to the judgment result, and generating a second switching signal;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a storage battery power supply mode to a commercial power supply mode according to the second changeover signal.
4. The physically isolated lightning protection system of claim 2, wherein the remote monitoring center is further configured to receive a switching signal sent by the user, and send the switching signal sent by the user to the on-site monitoring unit through the cloud platform.
5. The physically isolated lightning protection system of claim 1, wherein the physically isolated lightning protection system is installed in a communications base station or a hazardous chemical location.
6. A physical isolation type lightning protection method is characterized by comprising the following steps:
the field monitoring unit receives monitoring data sent by monitoring equipment and generates a switching signal according to the monitoring data;
sending the switching signal to a power supply switching switch, and instructing the power supply switching switch to switch a power supply mode of the electric equipment according to the switching signal, wherein the power supply mode comprises a commercial power supply mode or a storage battery power supply mode;
wherein, the generating a switching signal according to the monitoring data specifically includes:
analyzing the lightning early warning level of the thundercloud electric field data according to the thundercloud electric field data received by the field monitoring unit to obtain an analysis result;
meanwhile, whether the electric equipment can normally operate in the storage battery power supply mode is judged according to the electric quantity data monitored and received by the field monitoring unit, and a judgment result is obtained;
if the current power supply mode is a commercial power supply mode, the lightning early warning level is obtained to be in an advanced state according to the analysis result, and whether the electric quantity of the storage battery can maintain the normal operation of the electric equipment or not is determined according to the judgment result, and then a first switching signal is generated;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a commercial power supply mode to a storage battery power supply mode according to the first switching signal.
7. The physically isolated lightning protection method according to claim 6, further comprising:
if the current power supply mode is a storage battery power supply mode, obtaining that the lightning early warning level is in a non-advanced state according to the analysis result, or determining that the electric quantity of the storage battery cannot maintain the normal operation of the electric equipment according to the judgment result, and generating a second switching signal;
in a corresponding manner, the first and second electrodes are,
and the power supply changeover switch is switched from a storage battery power supply mode to a commercial power supply mode according to the second changeover signal.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, implements a system according to any one of claims 1 to 5.
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| CN109784712B (en) * | 2019-01-09 | 2021-07-06 | 无锡市格林电工装备有限公司 | Lightning protection grounding real-time monitoring and risk prediction system and method based on Internet of things |
| CN111356277A (en) * | 2020-04-13 | 2020-06-30 | 深圳市永恒光照明科技有限公司 | Protection system for covering urban lighting equipment |
| CN111935558B (en) * | 2020-06-28 | 2023-10-24 | 深圳市联洲国际技术有限公司 | Lightning protection system for digital subscriber line and fool-proof method and device thereof |
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