CN113865649B - Lightning protection device degradation monitoring device, system and method - Google Patents
Lightning protection device degradation monitoring device, system and method Download PDFInfo
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- 238000012806 monitoring device Methods 0.000 title claims description 41
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The application is suitable for the technical field of lightning protection, and relates to a device, a system and a method for monitoring the degradation degree of a lightning protector, wherein the device for monitoring the degradation degree of the lightning protector comprises a micro control unit, a lightning protector state monitor, a leakage current monitor, a lightning protector temperature monitor and an environmental temperature monitor; the lightning protection device state monitor is used for collecting the working state of the lightning protection device; the leakage current monitor is used for collecting leakage current of the lightning protection device; the lightning protection device temperature monitor is used for collecting the temperature of the lightning protection device; the environment temperature monitor is used for collecting the temperature of the environment where the lightning protection device is located; the micro control unit is used for determining the degradation degree of the lightning protection device according to the working state of the lightning protection device, the leakage current of the lightning protection device, the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located. The application can accurately analyze the degradation degree of the lightning protection device.
Description
Technical Field
The application belongs to the technical field of lightning protection, and particularly relates to a device, a system and a method for monitoring degradation degree of a lightning protector.
Background
In various industries, lightning protection devices are always used for providing safety protection for various electric equipment, and because many fires, power failures and equipment damages have direct or indirect relation with lightning invasion, the lightning protection devices have very important application in work and life. The lightning protection device is a potential hazard source due to the characteristic of continuously deteriorating heat generation and even spontaneous combustion. Therefore, how to analyze the degradation of the lightning protection device more accurately is a technical problem to be solved.
Disclosure of Invention
In view of this, the embodiment of the application provides a device, a system and a method for monitoring the degradation degree of a lightning protection device, which can analyze the degradation degree of the lightning protection device more accurately.
In a first aspect, an embodiment of the present application provides a lightning protection device degradation monitoring apparatus, where the lightning protection device degradation monitoring apparatus includes a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor, an environmental temperature monitor, and a micro control unit;
the micro control unit is respectively connected with the lightning arrester state monitor, the leakage current monitor, the lightning arrester temperature monitor and the environment temperature monitor;
the lightning protection device state monitor is used for collecting the working state of the lightning protection device and sending the working state of the lightning protection device to the micro control unit;
the leakage current monitor is used for collecting leakage current of the lightning protection device and sending the leakage current of the lightning protection device to the micro control unit;
the lightning protection device temperature monitor is used for collecting the temperature of the lightning protection device and sending the temperature of the lightning protection device to the micro control unit;
The environment temperature monitor is used for collecting the temperature of the environment where the lightning protection device is located and sending the temperature of the environment where the lightning protection device is located to the micro control unit;
The micro control unit is used for determining the degradation degree of the lightning protection device according to the working state of the lightning protection device, the leakage current of the lightning protection device, the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located.
In one embodiment, the lightning protection device degradation monitoring device further comprises:
And the display is connected with the micro control unit and used for displaying the degradation degree of the lightning protection device.
In one embodiment, the lightning protection device degradation monitoring device further comprises:
the alarm is connected with the micro control unit;
And the micro control unit is also used for controlling the alarm to give an alarm when the degradation degree of the lightning protection device is greater than or equal to a preset threshold value.
In one embodiment, the lightning protection device degradation monitoring device further comprises:
The communication module is connected with the micro control unit;
The communication module is used for establishing communication connection between the lightning protection device degradation monitoring device and the monitoring platform.
In a second aspect, an embodiment of the present application provides a lightning protection device degradation monitoring system, where the lightning protection device degradation monitoring system includes a monitoring platform and the lightning protection device degradation detection device according to any one of the first aspect, where the monitoring platform monitors the lightning protection device through the lightning protection device degradation monitoring device.
In a third aspect, an embodiment of the present application provides a method for monitoring degradation of a lightning protection device, which is applied to the device for monitoring degradation of a lightning protection device, where the device for monitoring degradation of a lightning protection device includes a micro control unit, a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor, and an environmental temperature monitor; the micro control unit is respectively connected with the lightning arrester state monitor, the leakage current monitor, the lightning arrester temperature monitor and the environment temperature monitor; the method for monitoring the degradation degree of the lightning protection device comprises the following steps:
The lightning protection device state monitor collects the working state of the lightning protection device and sends the working state of the lightning protection device to the micro control unit;
The leakage current monitor collects leakage current of the lightning protection device and sends the leakage current of the lightning protection device to the micro control unit;
The lightning protection device temperature monitor collects the temperature of the lightning protection device and sends the temperature of the lightning protection device to the micro control unit;
The environmental temperature monitor collects the temperature of the environment where the lightning protection device is located and sends the temperature of the environment where the lightning protection device is located to the micro control unit;
when the working state of the lightning protection device is in an unbuckled state, the micro control unit obtains a leakage current preset threshold value and a temperature rise preset threshold value, compares the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, compares the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned with the temperature rise preset threshold value to obtain a second comparison result, and determines the degradation degree of the lightning protection device according to the first comparison result and the second comparison result.
The embodiment of the application has the beneficial effects that: the application provides a lightning protector degradation monitoring device, which comprises a lightning protector state monitor, a leakage current monitor, a lightning protector temperature monitor, an environment temperature monitor and a micro-control unit, wherein the state of the lightning protector collected by the lightning protector state monitor, the leakage current of the lightning protector collected by the leakage current monitor and the difference value between the temperature of the lightning protector collected by the lightning protector temperature monitor and the temperature of the environment where the lightning protector is located collected by the environment temperature monitor are all main degradation characteristics of the lightning protector.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an application scenario diagram of a lightning protection device degradation monitoring device provided by an embodiment of the present application;
fig. 2 is a schematic structural diagram of a lightning protection device degradation monitoring device according to an embodiment of the present application;
Fig. 3 is a schematic flow chart of a method for monitoring degradation of a lightning protection device according to 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 the particular system architecture, 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.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
It should be understood that, the sequence number of each step in this embodiment does not mean the execution sequence, and the execution sequence of each process should be determined by its function and internal logic, and should not limit the implementation process of the embodiment of the present application in any way.
In order to illustrate the technical scheme of the application, the following description is given by specific examples.
The first embodiment of the application provides a lightning protection device degradation monitoring system, which can be specifically referred to an application scenario diagram of a lightning protection device degradation monitoring device shown in fig. 1. For convenience of explanation, only the portions related to the embodiments of the present application are shown, and the details are as follows:
The lightning protection device degradation monitoring system comprises a lightning protection device degradation monitoring device 1 and a monitoring platform 2, wherein the monitoring platform 2 monitors the lightning protection device 3 through the lightning protection device degradation monitoring device 1.
The process of monitoring by the lightning protection device degradation monitoring system specifically may include: firstly, the lightning protection device degradation monitoring device 1 performs data acquisition on the lightning protection device 3, determines the degradation degree of the lightning protection device according to the acquired data, and can also give an alarm when the degradation degree is greater than or equal to a preset threshold value. Secondly, carrying out network configuration to lightning protection device degradation monitoring devices 1, making lightning protection device degradation monitoring devices 1 carry out the networking through communication module, be connected to monitoring platform 2 with lightning protection device degradation monitoring devices 1 after the networking, realize the communication connection between lightning protection device degradation monitoring devices 1 and the monitoring platform 2. Finally, through the communication connection between the lightning protection device degradation monitoring device 1 and the monitoring platform 2, data interaction is carried out, namely the lightning protection device degradation monitoring device 1 sends the lightning protection device degradation and alarm information to the monitoring platform 2, and the monitoring platform 2 monitors the lightning protection device 3 through the lightning protection device degradation monitoring device 1.
The application provides a lightning protection device degradation monitoring system, which comprises a lightning protection device degradation monitoring device 1 and a monitoring platform 2, wherein the lightning protection device degradation monitoring device 1 is connected with the monitoring platform 2 through a communication module, and sends degradation degree and alarm information of the lightning protection device to the monitoring platform 2 through the communication module, so that the monitoring platform 2 can monitor the lightning protection device 3 through the lightning protection device degradation degree monitoring device 1, and the technical problem that the degradation degree of the lightning protection device cannot be monitored in real time and the alarm can be carried out in the prior art is solved.
The second embodiment of the present application provides a lightning protection device degradation monitoring device, which is applied to the lightning protection device degradation monitoring system of the first embodiment of the present application, and a specific application scenario may be referred to an application scenario diagram of the lightning protection device degradation monitoring device shown in fig. 1, and a structure of the lightning protection device degradation monitoring device may be referred to a schematic structural diagram of the lightning protection device degradation monitoring device shown in fig. 2. For convenience of explanation, only the portions related to the embodiments of the present application are shown, and the details are as follows:
the lightning protection device degradation monitoring apparatus 1 includes a micro control unit 11, a lightning protection device state monitor 12, a leakage current monitor 13, a lightning protection device temperature monitor 14, and an environmental temperature monitor 15.
The micro control unit 11 is respectively connected with a lightning protector state monitor 12, a leakage current monitor 13, a lightning protector temperature monitor 14 and an environmental temperature monitor 15.
In the embodiment of the application, the micro control unit is respectively connected with the lightning protection device state monitor 12, the leakage current monitor 13, the lightning protection device temperature monitor 14 and the environment temperature monitor 15 in a serial connection mode. The serial port communication can adopt protocols such as RS232 or RS 485.
The micro control unit may be MCU (Microcontroller Unit), the MCU is also called a single chip Microcomputer (SINGLE CHIP Microcomputer) or a single chip Microcomputer, the frequency and the specification of the central processing unit (Central Process Unit; CPU) are properly reduced, and peripheral interfaces such as a memory (memory), a counter (Timer), a serial port, digital-to-analog conversion and the like, and even an LCD driving circuit are integrated on a single chip to form a chip-level computer, so that the single chip Microcomputer is controlled in different combinations for different application occasions.
The lightning protection state monitor 12 is configured to collect the working state of the lightning protection device 3, and send the working state of the lightning protection device 3 to the micro control unit 11.
In the embodiment of the application, the working states of the lightning protection device 3 comprise a tripped state and an unbuckled state. Wherein, include trip mechanism in the lightning protection device 3, be equipped with signal terminal on the trip mechanism, the one end of lightning protection device state monitor 12 is connected with trip mechanism's signal terminal for obtain the operating condition of lightning protection device 3. When the electrical signal acquired by the lightning protection device state monitor 12 is 0, the working state of the lightning protection device 3 at the moment is a trip state (i.e. the lightning protection device 3 is in a disconnection state, and the lightning protection device cannot work at the moment) can be obtained; when the electrical signal acquired by the lightning protection device state monitor 12 is 1, the working state of the lightning protection device 3 at this time is an unbuckled state. The other end of the lightning protection device state monitor 12 is connected with the micro control unit and is used for sending the collected working state of the lightning protection device 3 to the micro control unit 11.
The leakage current monitor 13 is configured to collect leakage current of the lightning protection device 3, and send the leakage current of the lightning protection device 3 to the micro control unit 11.
In the embodiment of the present application, the leakage current monitor 13 may be a microampere level current sensor, and the leakage current of the lightning protection device 3 may be the leakage current passing through the lightning protection device 3 when the working state of the lightning protection device 3 is an unbuckled state.
Taking the leakage current monitor 13 as a current sensor for example, an induction coil of the current sensor is sleeved on a grounding wire of the lightning protection device 3 and is used for collecting microampere leakage current passing through the lightning protection device 3, and the current sensor is connected with the micro-control unit 11 and is used for sending collected leakage current data of the lightning protection device 3 to the micro-control unit 11.
The lightning protection device temperature monitor 14 is used for collecting the temperature of the lightning protection device 3 and sending the temperature of the lightning protection device 3 to the micro control unit 11.
In the embodiment of the application, the temperature monitor 14 of the lightning protector can be a temperature sensor, the temperature monitor 14 of the lightning protector is closely attached to the surface of the lightning protector 3, the surface temperature of the lightning protector 3 is collected, and the temperature rise of the lightning protector 3 can greatly influence the degradation degree of the lightning protector 3, so that the service life of the lightning protector 3 is even shortened. Therefore, the lightning protection device temperature monitor 14 is required to collect the temperature of the lightning protection device 3, and simultaneously send the temperature of the lightning protection device 3 to the micro control unit for monitoring the degradation degree of the lightning protection device.
The environmental temperature sensor 15 is configured to collect the temperature of the environment where the lightning protection device 3 is located, and send the temperature of the environment where the lightning protection device 3 is located to the micro control unit 11.
In the embodiment of the present application, the ambient temperature monitor 15 may be referred to as a temperature sensor, and is mainly used for collecting the temperature of the surrounding environment where the lightning protection device 3 is located. After lightning protection device 3 receives many times of thunderstrokes, lightning protection device 3 can deteriorate gradually, leads to the temperature of lightning protection device 3 to rise gradually, and the temperature of lightning protection device 3 can be showing the temperature that is higher than lightning protection device 3 place environment this moment, subtracts the temperature of lightning protection device 3 and the temperature of lightning protection device 3 place environment to obtain the rise value of lightning protection device 3 temperature. Therefore, it is necessary to collect the ambient temperature in which the lightning protection device 3 is located by using an ambient temperature sensor and send the temperature of the environment in which the lightning protection device 3 is located to the micro control unit 11.
And when the working state of the lightning protection device 3 is in an unbuckled state, the micro control unit 11 acquires a leakage current preset threshold value and a temperature rise preset threshold value, compares the leakage current of the lightning protection device 3 with the leakage current preset threshold value to obtain a first comparison result, compares the temperature of the lightning protection device 3 and the temperature of the environment where the lightning protection device 3 is positioned with the temperature rise preset threshold value to obtain a second comparison result, and determines the degradation degree of the lightning protection device 3 according to the first comparison result and the second comparison result.
In the embodiment of the application, since the increase of the leakage current of the lightning protection device 3 or the increase of the temperature of the lightning protection device 3 can cause the increase of the degradation degree of the lightning protection device 3, the degradation degree of the lightning protection device 3 should be determined according to the working state of the lightning protection device 3, the acquisition of the corresponding leakage current preset threshold value and the temperature rise preset threshold value, and the comparison of the leakage current of the lightning protection device 3 with the leakage current preset threshold value and the temperature of the lightning protection device 3 and the temperature of the environment where the lightning protection device 3 is located with the temperature rise preset threshold value, so that the degradation degree of the lightning protection device 3 is analyzed more accurately.
Alternatively, the micro control unit 11 is specifically configured to:
sending a state acquisition instruction to the lightning protector state monitor 12, sending a leakage current acquisition instruction to the leakage current monitor 13, sending a lightning protector temperature acquisition instruction to the lightning protector temperature monitor 14, and sending an environment temperature acquisition instruction to the environment temperature monitor 15;
The lightning protection device state monitor 12 is specifically configured to:
When a state acquisition instruction is received, acquiring the working state of the lightning protector 3, and transmitting the working state of the lightning protector 3 to the micro control unit 11;
The leakage current monitor 13 is specifically configured to:
When receiving a leakage current acquisition instruction, acquiring leakage current of the lightning protector 3, and sending the leakage current of the lightning protector 3 to the micro control unit 11;
the lightning protection device temperature monitor 14 is specifically configured to:
when a lightning protection device temperature acquisition instruction is received, acquiring the temperature of the lightning protection device 3, and sending the temperature of the lightning protection device 3 to the micro control unit 11;
The ambient temperature monitor 15 is specifically configured to:
When an ambient temperature acquisition instruction is received, the temperature of the environment in which the lightning protection device 3 is located is acquired, and the temperature of the environment in which the lightning protection device 3 is located is sent to the micro control unit 11.
In the embodiment of the present application, the process of the lightning protection device degradation monitoring device 1 collecting data of the lightning protection device 3 and determining the degradation degree may specifically include: firstly, a micro control unit 11 respectively sends a state acquisition instruction, a leakage current acquisition instruction, a lightning arrester temperature acquisition instruction and an environment temperature acquisition instruction to a lightning arrester state monitor 12, a leakage current monitor 13, a lightning arrester temperature monitor 14 and an environment temperature monitor 15; secondly, a lightning protection device state monitor 12, a leakage current monitor 13, a lightning protection device temperature monitor 14 and an environment temperature monitor 15 collect the working state of the lightning protection device 3, the leakage current of the lightning protection device 3, the temperature of the lightning protection device 3 and the temperature of the environment where the lightning protection device 3 is positioned according to the corresponding instructions respectively, and send the collected data to a micro control unit 11; the final micro control unit 11 determines the degree of degradation of the lightning protection device 3 based on the data collected.
Optionally, the micro control unit 11 is further configured to:
when the operating state of the lightning protection device 3 is the tripped state, the degree of degradation of the lightning protection device 3 is determined to be a target value.
When the working state of the lightning protection device 3 is in an unbuckled state, a leakage current preset threshold value and a temperature rise preset threshold value are obtained, and the degradation degree of the lightning protection device 3 is determined according to the leakage current of the lightning protection device 3, the temperature of the environment where the lightning protection device 3 is located, the leakage current preset threshold value and the temperature rise preset threshold value.
In the embodiment of the present application, the process of the lightning protection device degradation monitoring device 1 collecting data of the lightning protection device 3 and determining the degradation degree may specifically further include: the micro control unit 11 sends a state acquisition instruction to the lightning protection device state monitor 12, the lightning protection device state monitor 12 acquires the working state of the lightning protection device 3 according to the state acquisition instruction, the acquired working state of the lightning protection device 3 is sent to the micro control unit 11, and if the working state of the lightning protection device 3 received by the micro control unit 11 is a tripping state, the degradation degree of the lightning protection device 3 is determined to be a target value (namely, a set value 100); if the micro control unit 11 receives that the working state of the lightning protection device 3 is in an un-tripped state, the micro control unit 11 sends a leakage current collection instruction, a lightning protection device temperature collection instruction and an environment temperature collection instruction to the leakage current monitor 13, the lightning protection device temperature monitor 14 and the environment temperature monitor 15 respectively, and obtains a leakage current preset threshold value and a temperature rise preset threshold value, the leakage current monitor 13, the lightning protection device temperature monitor 14 and the environment temperature monitor 15 collect the leakage current of the lightning protection device 3, the temperature of the lightning protection device 3 and the temperature of the environment where the lightning protection device 3 is located respectively according to the corresponding instructions, and send the collected data to the micro control unit 11, and finally the micro control unit 11 determines the degradation degree of the lightning protection device 3 according to the collected data and the obtained leakage current preset threshold value and the obtained temperature rise preset threshold value.
Optionally, determining the degradation degree of the lightning protection device 3 according to the leakage current of the lightning protection device 3, the temperature of the environment where the lightning protection device 3 is located, the leakage current preset threshold value and the temperature rise preset threshold value includes:
determining the ratio of the leakage current of the lightning protection device 3 to the leakage current preset threshold value as a first comparison result;
acquiring a difference value between the temperature of the lightning protector 3 and the temperature of the environment where the lightning protector 3 is positioned;
determining the ratio of the difference value to the temperature rise preset threshold value as a second comparison result;
And determining the degradation degree of the lightning protection device 3 according to the maximum value of the first comparison result and the second comparison result. In the embodiment of the present application, the working state of the lightning protection device 3 received by the micro control unit 11 is an unbuckled state (i.e. the working state of the lightning protection device is normal), and as the number of lightning strokes increases, the leakage current of the lightning protection device 3 increases, and the increase of the leakage current causes the self-heating, degradation, and even fire explosion of the lightning protection device 3, so that serious safety accidents are caused. Therefore, the leakage current of the lightning protection device 3 and the rise value of the temperature of the lightning protection device 3 can be used as the basis for determining the degradation degree of the lightning protection device 3.
The degree of deterioration of the lightning protection device 3 can be expressed specifically by the following formula:
Wherein D refers to the degree of deterioration of the lightning arrester 3; [ x ] is the integer of the variable x; max { y 1,y2 } refers to the maximum value taken from y 1 and y 2; i a is leakage current of the lightning protection device 3, and I ref is leakage current preset threshold; t a is the temperature of the lightning protector 3, T b is the temperature of the environment where the lightning protector 3 is located, and T ref is the temperature rise preset threshold.
It should be understood that when both the leakage current of the lightning protection device 3 and the rise value of the temperature of the lightning protection device 3 can be used as the basis for determining the degradation degree of the lightning protection device 3, the factor with the greatest influence among the two factors can be used as the judging basis, the factor with the greatest influence can be obtained by comparing the judging factor with the corresponding threshold value, and the degradation degree of the lightning protection device 3 is calculated according to the factor.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: and a display 18, wherein the display 18 is connected with the micro control unit 11 and is used for displaying the degradation degree of the lightning protection device 3.
In the embodiment of the present application, the signal receiving end of the display 18 is configured to receive the display information sent by the micro control unit 11, where the display information includes the degradation degree of the lightning protection device 3, and according to the degradation degree of the lightning protection device 3 in the monitoring process, a user may determine whether the lightning protection device 3 needs to be replaced.
It should be appreciated that the display 18 in embodiments of the present application may be any type of display and the present application is not limited to the particular type of display 18.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: an alarm 16, the alarm 16 being connected to the micro control unit 11; the micro control unit 11 is further configured to control the alarm 16 to issue an alarm when the degradation degree of the lightning protection device 3 is greater than or equal to a preset threshold value.
In the embodiment of the present application, when the degradation degree of the lightning protection device 3 is greater than or equal to the preset threshold, the micro control unit 11 sends alarm information to the alarm 16, the alarm 16 receives the alarm information and executes an instruction corresponding to the alarm information to perform an alarm, where the alarm 16 may perform an audible and visual alarm.
In a specific implementation, if the micro control unit 11 receives that the working state of the lightning protection device 3 sent by the lightning protection device state monitor 12 is a trip state, it can be determined that the degradation degree of the lightning protection device 3 is 100 at this time, and when the degradation degree of the lightning protection device is detected to be 100, the micro control unit 11 sends alarm information to the alarm 16, and the alarm 16 alarms after receiving the alarm information.
In another specific implementation, if the micro control unit 11 receives that the working state of the lightning protection device 3 sent by the lightning protection device state monitor 12 is an un-tripped state, the micro control unit 11 should calculate the degradation degree of the lightning protection device 3 in the un-tripped state according to the method for determining the degradation degree of the lightning protection device described in the second embodiment of the present application. If the calculated degradation degree is greater than or equal to the preset threshold value, the micro control unit 11 sends alarm information to the alarm 16 and controls the alarm 16 to alarm, and sends the alarm information to the monitoring platform 2 while sending the alarm information to the alarm 16 so as to realize remote monitoring of a user; if the calculated degradation degree is smaller than the preset threshold value, the micro control unit 11 does not need to send alarm information to the alarm 16, and the alarm 16 does not need to execute corresponding actions, which indicates that the lightning protection device 3 has good performance and can be used continuously.
It should be appreciated that in embodiments of the present application, the alert 16 may be an electronic product that alerts the user that something should be done in the form of sound, light, etc., and the present application is not limited to the form of the alert nor to the specific type of alert 16.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: the communication module 17, the communication module 17 is connected with the micro control unit 11, is used for establishing the communication connection between the lightning protection device degradation monitoring device 1 and the monitoring platform 2.
In the embodiment of the present application, the communication mode of the communication module 17 may be 2G/3G/4G/5G/NB-IOT/RJ45/WIFI or the like, where the connection mode of the communication module 17 and the micro-control unit is serial connection, and the communication module is mainly used for data transmission between the monitoring platform 2 and the micro-control unit 11.
The lightning protection device degradation monitoring device 1 provided by the application comprises a lightning protection device state monitor 12, a leakage current monitor 13, a lightning protection device temperature monitor 14, an environment temperature monitor 15 and a micro control unit 11, wherein the lightning protection device state collected by the lightning protection device state monitor, the lightning protection device leakage current collected by the leakage current monitor, and the difference value between the lightning protection device temperature collected by the lightning protection device temperature monitor and the temperature of the environment where the lightning protection device is located collected by the environment temperature monitor are all main degradation characteristics of the lightning protection device, so when the lightning protection device is in an un-tripped state, the micro control unit obtains a leakage current preset threshold value and a temperature rise preset threshold value, and can accurately analyze the degradation degree of the lightning protection device when the lightning protection device is analyzed and calculated according to the leakage current of the lightning protection device, the temperature of the environment where the lightning protection device is located, the leakage current preset threshold value and the temperature rise preset threshold value.
The third embodiment of the application provides a method for monitoring the degradation of a lightning arrester, which is applied to the device for monitoring the degradation of the lightning arrester in the second embodiment of the application. As shown in fig. 3, the method for monitoring the degradation of the lightning protection device may include the following steps:
step 301, a lightning protection device state monitor collects the working state of the lightning protection device and sends the working state of the lightning protection device to a micro control unit.
Step 302, the leakage current monitor collects leakage current of the lightning protection device and sends the leakage current of the lightning protection device to the micro control unit.
Step 303, the temperature monitor of the lightning protection device collects the temperature of the lightning protection device and sends the temperature of the lightning protection device to the micro control unit.
And 304, acquiring the temperature of the environment where the lightning protection device is positioned by the environment temperature monitor, and sending the temperature of the environment where the lightning protection device is positioned to the micro control unit.
Step 305, when the working state of the lightning protection device is an unbuckled state, acquiring a leakage current preset threshold value and a temperature rise preset threshold value, comparing the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located with the temperature rise preset threshold value to obtain a second comparison result, and determining the degradation degree of the lightning protection device according to the first comparison result and the second comparison result.
Optionally, the embodiment of the present application further includes:
The micro control unit sends a state acquisition instruction to the lightning arrester state monitor, sends a leakage current acquisition instruction to the leakage current monitor, sends a lightning arrester temperature acquisition instruction to the lightning arrester temperature monitor and sends an environment temperature acquisition instruction to the environment temperature monitor;
the lightning protection device state monitor gathers the operating condition of lightning protection device to send the operating condition of lightning protection device to micro-control unit includes:
And when a state acquisition instruction is received, acquiring the working state of the lightning protection device and sending the working state of the lightning protection device to the micro control unit.
The leakage current monitor gathers the leakage current of lightning protection device to send the leakage current of lightning protection device to micro control unit includes:
and when receiving the leakage current acquisition instruction, acquiring the leakage current of the lightning protector and sending the leakage current of the lightning protector to the micro control unit.
The lightning protection device temperature monitor gathers the temperature of lightning protection device to send the temperature of lightning protection device to little control unit includes:
And when a lightning protection device temperature acquisition instruction is received, acquiring the temperature of the lightning protection device and sending the temperature of the lightning protection device to the micro control unit.
The environmental temperature monitor gathers the temperature of lightning protection device place the environment to the temperature of lightning protection device place the environment sends to little control unit and includes:
when an ambient temperature acquisition instruction is received, acquiring the temperature of the environment where the lightning protection device is located, and sending the temperature of the environment where the lightning protection device is located to the micro control unit.
As described above, each monitor is connected to and cooperates with the micro-control unit, the micro-control unit can monitor the working state of the lightning protector, the leakage current of the lightning protector, the temperature of the lightning protector and the temperature of the environment where the lightning protector is located in real time without interruption, and then the data are simplified, analyzed and calculated, the collected leakage current of the lightning protector is analyzed and compared with the preset leakage current threshold value preset in the micro-control unit, the difference between the collected temperature of the lightning protector and the temperature of the environment where the lightning protector is located is analyzed and compared with the preset temperature rise threshold value preset in the micro-control unit, and according to the working state of the lightning protector, the micro-control unit sends alarm information to the alarm device and sends display information to the display, and the alarm device and the display respectively alarm and display according to the alarm information and the display information.
When the micro control unit collects that the working state of the lightning protector is a tripping state, the micro control unit sends alarm information to the alarm and sends display information to the display, the alarm alarms, the display displays that the lightning protector trips and the degradation degree is 100, and sends the alarm information and the display information to the monitoring platform, so that remote monitoring of a user is realized.
When the micro control unit collects that the working state of the lightning protector is in an unbuckled state, the micro control unit firstly sends a leakage current collection instruction, a lightning protector temperature collection instruction and an environment temperature collection instruction to the leakage current monitor, the lightning protector temperature monitor and the environment temperature monitor respectively, corresponding collection data and a leakage current preset threshold value and a temperature rise preset threshold value preset in the micro control unit are obtained, according to the specific calculation method of the degradation degree of the lightning protector in the second embodiment of the application, the degradation degree of the lightning protector is calculated, when the calculated degradation degree is smaller than the preset threshold value, the micro control unit sends display information to a display, controls the display to display the degradation degree of the lightning protector, and sends the display information to a monitoring platform to be stored in a memory of the monitoring platform, so that a user can conveniently find a history record of the degradation degree of the lightning protector.
When the calculated degradation degree is greater than or equal to a preset threshold value, the micro control unit respectively sends alarm information and display information to the alarm device and the display, controls the alarm device to alarm and controls the display to display the degradation degree of the lightning protection device, and sends the alarm information and the display information to the monitoring platform, so that remote monitoring of a user is realized.
In the embodiment of the application, the method for determining the degradation degree of the lightning protection device is adopted according to the working state of the lightning protection device, the leakage current of the lightning protection device, the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned, and the degradation degree of the lightning protection device can be accurately analyzed from the main degradation characteristics of the lightning protection device because the differences among the working state of the lightning protection device, the leakage current of the lightning protection device, the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned are all main degradation characteristics of the lightning protection device.
It should be noted that, in the method for monitoring degradation of a lightning protection device according to the embodiment of the present application, specific working processes of the micro control unit, the lightning protection device state monitor, the leakage current monitor, the lightning protection device temperature monitor, the environmental temperature monitor, the alarm, the communication module, the display and the monitoring platform may be referred to the description of the first embodiment and the second embodiment, and will not be repeated herein.
The above embodiments are only for illustrating the technical solution of the present application, and are not limited thereto; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and they should be included in the protection scope of the present application.
Claims (8)
1. The lightning protection device degradation monitoring device is characterized by comprising a micro control unit, a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor and an environment temperature monitor;
the micro control unit is respectively connected with the lightning arrester state monitor, the leakage current monitor, the lightning arrester temperature monitor and the environment temperature monitor;
the lightning protection device state monitor is used for collecting the working state of the lightning protection device and sending the working state of the lightning protection device to the micro control unit;
the leakage current monitor is used for collecting leakage current of the lightning protection device and sending the leakage current of the lightning protection device to the micro control unit;
the lightning protection device temperature monitor is used for collecting the temperature of the lightning protection device and sending the temperature of the lightning protection device to the micro control unit;
The environment temperature monitor is used for collecting the temperature of the environment where the lightning protection device is located and sending the temperature of the environment where the lightning protection device is located to the micro control unit;
The micro control unit is used for acquiring a leakage current preset threshold value and a temperature rise preset threshold value when the working state of the lightning protection device is an unbuckled state, comparing the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned with the temperature rise preset threshold value to obtain a second comparison result, and determining the degradation degree of the lightning protection device according to the first comparison result and the second comparison result;
Comparing the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located with the temperature rise preset threshold value to obtain a second comparison result, and determining the degradation degree of the lightning protection device according to the first comparison result and the second comparison result, wherein the method comprises the following steps:
Determining the ratio of the leakage current of the lightning protection device to the leakage current preset threshold value as a first comparison result;
acquiring a difference value between the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned;
determining the ratio of the difference value to the temperature rise preset threshold value as a second comparison result;
And determining the degradation degree of the lightning protection device according to the maximum value of the first comparison result and the second comparison result.
2. The lightning protection device degradation monitoring device according to claim 1, wherein the micro control unit is specifically configured to:
Sending a state acquisition instruction to the lightning arrester state monitor, sending a leakage current acquisition instruction to the leakage current monitor, sending a lightning arrester temperature acquisition instruction to the lightning arrester temperature monitor, and sending an environment temperature acquisition instruction to the environment temperature monitor;
the lightning protection device state monitor is specifically configured to:
When the state acquisition instruction is received, acquiring the working state of the lightning protection device, and sending the working state of the lightning protection device to the micro control unit;
The leakage current monitor is particularly for:
collecting leakage current of the lightning protector when receiving the leakage current collection instruction, and sending the leakage current of the lightning protector to the micro control unit;
the lightning protection device temperature monitor is particularly used for:
When the temperature acquisition instruction of the lightning protector is received, acquiring the temperature of the lightning protector, and sending the temperature of the lightning protector to the micro control unit;
The ambient temperature monitor is particularly for:
And when the environment temperature acquisition instruction is received, acquiring the temperature of the environment where the lightning protection device is positioned, and sending the temperature of the environment where the lightning protection device is positioned to the micro control unit.
3. The lightning protection device degradation monitoring device of claim 1, wherein the micro control unit is further configured to:
And when the working state of the lightning protection device is a tripping state, determining the degradation degree of the lightning protection device as a target value.
4. The lightning protection device degradation monitoring device according to claim 1, further comprising:
a display;
the display is connected with the micro control unit and used for displaying the degradation degree of the lightning protection device.
5. The lightning protection device degradation monitoring device according to claim 1, further comprising:
the alarm is connected with the micro control unit;
And the micro control unit is also used for controlling the alarm to give an alarm when the degradation degree of the lightning protection device is greater than or equal to a preset threshold value.
6. The lightning protection device degradation monitoring device according to any one of claims 1 to 5, further comprising:
The communication module is connected with the micro control unit;
The communication module is used for establishing communication connection between the lightning protection device degradation monitoring device and the monitoring platform.
7. A lightning protection device degradation monitoring system, characterized in that the lightning protection device degradation monitoring system comprises a monitoring platform and a lightning protection device degradation monitoring apparatus according to any one of claims 1-6, the monitoring platform monitoring the lightning protection device through the lightning protection device degradation monitoring apparatus.
8. The lightning protection device degradation monitoring method is characterized by being applied to the lightning protection device degradation monitoring device, wherein the lightning protection device degradation monitoring device comprises a micro control unit, a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor and an environment temperature monitor; the micro control unit is respectively connected with the lightning arrester state monitor, the leakage current monitor, the lightning arrester temperature monitor and the environment temperature monitor; the method for monitoring the degradation degree of the lightning protection device comprises the following steps:
The lightning protection device state monitor collects the working state of the lightning protection device and sends the working state of the lightning protection device to the micro control unit;
The leakage current monitor collects leakage current of the lightning protection device and sends the leakage current of the lightning protection device to the micro control unit;
The lightning protection device temperature monitor collects the temperature of the lightning protection device and sends the temperature of the lightning protection device to the micro control unit;
The environmental temperature monitor collects the temperature of the environment where the lightning protection device is located and sends the temperature of the environment where the lightning protection device is located to the micro control unit;
When the working state of the lightning protection device is in an unbuckled state, the micro control unit is used for acquiring a leakage current preset threshold value and a temperature rise preset threshold value, comparing the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned with the temperature rise preset threshold value to obtain a second comparison result, and determining the degradation degree of the lightning protection device according to the first comparison result and the second comparison result;
Comparing the leakage current of the lightning protection device with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located with the temperature rise preset threshold value to obtain a second comparison result, and determining the degradation degree of the lightning protection device according to the first comparison result and the second comparison result, wherein the method comprises the following steps:
Determining the ratio of the leakage current of the lightning protection device to the leakage current preset threshold value as a first comparison result;
acquiring a difference value between the temperature of the lightning protection device and the temperature of the environment where the lightning protection device is positioned;
determining the ratio of the difference value to the temperature rise preset threshold value as a second comparison result;
And determining the degradation degree of the lightning protection device according to the maximum value of the first comparison result and the second comparison result.
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