CN113865649A - Lightning protection device degradation degree monitoring device, system and method - Google Patents

Lightning protection device degradation degree monitoring device, system and method Download PDF

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CN113865649A
CN113865649A CN202111163910.8A CN202111163910A CN113865649A CN 113865649 A CN113865649 A CN 113865649A CN 202111163910 A CN202111163910 A CN 202111163910A CN 113865649 A CN113865649 A CN 113865649A
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protection device
lightning protection
temperature
monitor
leakage current
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CN113865649B (en
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张庭炎
段珂
夏玫
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Shenzhen Launch Technology Co Ltd
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Shenzhen Launch Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The application is suitable for the technical field of lightning protection, and relates to a lightning protection device degradation degree monitoring device, a lightning protection device degradation degree monitoring system and a lightning protection device degradation degree monitoring method, wherein the lightning protection device degradation degree 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 lightning protection device state monitor is used for acquiring the working state of the lightning protection device; the leakage current monitor is used for collecting leakage current of the lightning protector; 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; and the micro control unit is used for determining the deterioration 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 deterioration degree of the lightning protection device.

Description

Lightning protection device degradation degree monitoring device, system and method
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 the deterioration degree of a lightning protector.
Background
In various industries, lightning protection devices are always dedicated to providing safety protection for various electric equipment, and because many fire disasters, power faults and equipment damage are directly or indirectly related to lightning invasion, the lightning protection devices have very important application in working life. The lightning protection device itself becomes a potential hazard source due to the characteristic of continuous degradation and heating and even spontaneous combustion. Therefore, how to accurately analyze the deterioration degree of the lightning protection device is an urgent technical problem to be solved.
Disclosure of Invention
In view of this, the present application provides a device, a system, and a method for monitoring the deterioration degree of a lightning protection device, which can analyze the deterioration 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 device, where the lightning protection device degradation monitoring device includes a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor, an ambient temperature monitor, and a micro control unit;
the micro control unit is respectively connected with the lightning protection device state monitor, the leakage current monitor, the lightning protection device 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;
and the micro control unit is used for determining the deterioration 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 apparatus further includes:
and the display is connected with the micro control unit and used for displaying the deterioration degree of the lightning protection device.
In one embodiment, the lightning protection device degradation monitoring apparatus further includes:
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 deterioration degree of the lightning protector is greater than or equal to a preset threshold value.
In one embodiment, the lightning protection device degradation monitoring apparatus further includes:
the communication module is connected with the micro control unit;
and the communication module is used for establishing communication connection between the lightning protection device degradation degree monitoring device and the monitoring platform.
In a second aspect, an embodiment of the present application provides a lightning protection device degradation degree monitoring system, where the lightning protection device degradation degree monitoring system includes a monitoring platform and the lightning protection device degradation degree detection apparatus described in any one of the above first aspects, and the monitoring platform monitors the lightning protection device through the lightning protection device degradation degree monitoring apparatus.
In a third aspect, an embodiment of the present application provides a method for monitoring a deterioration degree of a lightning protection device, which is applied to a device for monitoring a deterioration degree of a lightning protection device, where the device for monitoring a deterioration degree 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 environment temperature monitor; the micro control unit is respectively connected with the lightning protection device state monitor, the leakage current monitor, the lightning protection device temperature monitor and the environment temperature monitor; the lightning protection device degradation degree monitoring method comprises the following steps:
the lightning protection device state monitor acquires 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 environment temperature monitor acquires 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 a non-tripping 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 located with the temperature rise preset threshold value to obtain a second comparison result, and determines the deterioration degree of the lightning protection device according to the first comparison result and the second comparison result.
The beneficial effects of the embodiment of the application are that: the lightning protection device degradation degree monitoring device provided by the application comprises a lightning protection device state monitor, a leakage current monitor, a lightning protection device temperature monitor, an environment temperature monitor and a micro control unit, because the states of the lightning protection devices collected by the lightning protection device state monitor, the leakage currents of the lightning protection devices collected by the leakage current monitor, and the difference values of the temperatures of the lightning protection devices collected by the lightning protection device temperature monitor and the environment of the lightning protection devices collected by the environment temperature monitor are the main deterioration characteristics of the lightning protection devices, therefore, when the lightning protection device is in an un-tripping state, the micro control unit obtains the preset threshold value of leakage current and the preset threshold value of temperature rise, and when the deterioration degree of 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 preset threshold value of the leakage current and the preset threshold value of the temperature rise, the deterioration degree of the lightning protection device can be accurately analyzed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced 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 that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is an application scenario diagram of a lightning protection device degradation monitoring device according to 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 disclosure;
fig. 3 is a schematic flow chart of a method for monitoring a deterioration degree 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 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.
It will 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 this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this 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 present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated 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 numbers of the steps in this embodiment do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation to the implementation process of the embodiment of the present application.
In order to explain the technical solution of the present application, the following description is given by way of specific examples.
The embodiment of the application provides a lightning protection device degradation degree monitoring system, which can specifically refer to an application scene diagram of a lightning protection device degradation degree monitoring device shown in fig. 1. For convenience of explanation, only the parts related to the embodiments of the present application are shown, and detailed as follows:
lightning protection device degradation degree monitoring system includes lightning protection device degradation degree monitoring devices 1 and monitoring platform 2, and monitoring platform 2 passes through lightning protection device degradation degree monitoring devices 1 monitoring lightning protection device 3.
The monitoring process of the lightning protection device degradation monitoring system may specifically include: firstly, the lightning protection device degradation degree monitoring device 1 carries out 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 larger than or equal to a preset threshold value. Secondly, carry out network configuration to lightning protection device degradation degree monitoring devices 1, make lightning protection device degradation degree monitoring devices 1 network through communication module, be connected to monitoring platform 2 with lightning protection device degradation degree monitoring devices 1 after the networking, realize the communication connection between lightning protection device degradation degree monitoring devices 1 and the monitoring platform 2. Finally, data interaction is carried out through the communication connection between the lightning protection device degradation degree monitoring device 1 and the monitoring platform 2, namely, the lightning protection device degradation degree monitoring device 1 sends the lightning protection device degradation degree 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 degree monitoring device 1.
The application provides a lightning protection device degradation degree monitoring system, including lightning protection device degradation degree monitoring devices 1 and monitoring platform 2, wherein, lightning protection device degradation degree monitoring devices 1 passes through communication module and is connected with monitoring platform 2, and send the degradation degree and the warning message of lightning protection device to monitoring platform 2 through communication module, can realize that monitoring platform 2 passes through lightning protection device degradation degree monitoring devices 1 monitoring lightning protection device 3, the technical problem that can't carry out real-time supervision and report an emergency and ask for help or increased vigilance to lightning protection device degradation degree among the prior art has been solved.
The second embodiment of the present application provides a lightning protection device degradation monitoring device, where the lightning protection device degradation monitoring device is applied to the lightning protection device degradation monitoring system in the first embodiment of the present application, a specific application scenario may refer 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 specifically refer to a structural schematic diagram of the lightning protection device degradation monitoring device shown in fig. 2. For convenience of explanation, only the parts related to the embodiments of the present application are shown, and detailed as follows:
the lightning protection deterioration degree monitoring device 1 includes a micro control unit 11, a lightning protection state monitor 12, a leakage current monitor 13, a lightning protection temperature monitor 14, and an ambient temperature monitor 15.
The micro control unit 11 is connected with 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 respectively.
In the embodiment of the present application, the micro control unit is connected to the lightning protection device state monitor 12, the leakage current monitor 13, the lightning protection device temperature monitor 14, and the environmental temperature monitor 15, respectively, and the connection mode is a serial connection mode. The serial port communication can adopt protocols such as RS232 or RS 485.
The micro control Unit may be an MCU (micro controller Unit), which is also called a Single Chip Microcomputer (CPU) or a Single Chip Microcomputer (MCU), and is a Single Chip Microcomputer (MCU) that appropriately reduces the frequency and specification of a Central Processing Unit (CPU), and integrates peripheral interfaces such as a memory (memory), a counter (Timer), a serial port, digital-to-analog conversion, and even an LCD driving circuit on a Single Chip to form a Chip-level computer, and is a Single Chip Microcomputer for different combination controls in different application occasions.
And the lightning protection state monitor 12 is used for acquiring the working state of the lightning protection device 3 and sending the working state of the lightning protection device 3 to the micro control unit 11.
In the embodiment of the present application, the operating state of the lightning arrester 3 includes a tripped state and an untripped state. The lightning protection device 3 includes a tripping mechanism, the tripping mechanism is provided with a signal terminal, and one end of the lightning protection device state monitor 12 is connected with the signal terminal of the tripping mechanism for obtaining the working state of the lightning protection device 3. When the electrical signal obtained by the lightning protection device state monitor 12 is 0, it can be obtained that the working state of the lightning protection device 3 at this time is a tripping state (i.e. the lightning protection device 3 is in a disconnection state, and the lightning protection device cannot work at this time); when the electrical signal obtained by the lightning protection device status monitor 12 is 1, it can be obtained that the working status of the lightning protection device 3 at this time is an unfastened status. The other end of the lightning protection device state monitor 12 is connected to 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.
And the leakage current monitor 13 is used for collecting the leakage current of the lightning protector 3 and sending the leakage current of the lightning protector 3 to the micro control unit 11.
In the embodiment of the present application, the leakage current monitor 13 may refer to a microampere current sensor, and the leakage current of the lightning arrester 3 may refer to a leakage current passing through the lightning arrester 3 when the working state of the lightning arrester 3 is an unfastened state.
Taking the leakage current monitor 13 as an example of a current sensor, an induction coil of the current sensor is sleeved on a ground wire of the lightning arrester 3 and used for collecting microampere-level leakage current passing through the lightning arrester 3, and the current sensor is connected with the micro control unit 11 and used for sending collected leakage current data of the lightning arrester 3 to the micro control unit 11.
And 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 this embodiment, the lightning protection device temperature monitor 14 may refer to a temperature sensor, and the lightning protection device temperature monitor 14 is tightly attached to the surface of the lightning protection device 3 to collect the surface temperature of the lightning protection device 3, so that the temperature of the lightning protection device 3 is increased to generate a large influence on the deterioration degree of the lightning protection device 3, and even the service life of the lightning protection device 3 is shortened. Therefore, the lightning protection device temperature monitor 14 is required to collect the temperature of the lightning protection device 3, and simultaneously, the temperature of the lightning protection device 3 is sent to the micro control unit to monitor the deterioration degree of the lightning protection device.
And the environment temperature sensor 15 is used for acquiring the temperature of the environment where the lightning protection device 3 is located and sending 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 refer to a temperature sensor, and is mainly used for collecting the temperature of the ambient environment where the lightning protector 3 is located. After lightning protection device 3 received a lot of thunderbolt, lightning protection device 3 can deteriorate gradually, leads to lightning protection device 3's temperature to rise gradually, and the temperature of lightning protection device 3 can be showing the temperature that is higher than the environment that lightning protection device 3 is located this moment, subtracts the temperature of lightning protection device 3 and the temperature of the environment that lightning protection device 3 is located and can obtain the rising value of lightning protection device 3 temperature. Therefore, the ambient temperature sensor is required to collect the ambient temperature of the lightning arrester 3, and the ambient temperature of the lightning arrester 3 is sent to the micro control unit 11.
And the micro control unit 11, when the working state of the lightning arrester 3 is in a non-tripping state, the micro control unit 11 obtains a leakage current preset threshold and a temperature rise preset threshold, compares the leakage current of the lightning arrester 3 with the leakage current preset threshold to obtain a first comparison result, compares the temperature of the lightning arrester 3 and the temperature of the environment where the lightning arrester 3 is located with the temperature rise preset threshold to obtain a second comparison result, and determines the deterioration degree of the lightning arrester 3 according to the first comparison result and the second comparison result.
In this 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 may cause the deterioration degree of the lightning protection device 3 to increase, the corresponding leakage current preset threshold and the temperature rise preset threshold should be obtained according to the operating state of the lightning protection device 3, and then the leakage current and the leakage current preset threshold of the lightning protection device 3, the temperature of the environment where the lightning protection device 3 is located, and the temperature rise preset threshold are compared to determine the deterioration degree of the lightning protection device 3, thereby more accurately analyzing the deterioration degree of the lightning protection device 3.
Optionally, the micro control unit 11 is specifically configured to:
sending a state acquisition instruction to the lightning protection device state monitor 12, sending a leakage current acquisition instruction to the leakage current monitor 13, sending a lightning protection device temperature acquisition instruction to the lightning protection device temperature monitor 14, and sending an environment temperature acquisition instruction to the environment temperature monitor 15;
the lightning protection device status monitor 12 is specifically configured to:
when receiving the state acquisition instruction, acquiring the working state of the lightning protection device 3, and sending the working state of the lightning protection device 3 to the micro control unit 11;
the leakage current monitor 13 is specifically configured to:
when receiving a leakage current collecting instruction, collecting leakage current of the lightning protection device 3, and sending the leakage current of the lightning protection device 3 to the micro control unit 11;
the lightning protection device temperature monitor 14 is specifically configured to:
when receiving a lightning protection device temperature acquisition instruction, 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 particularly useful for:
when receiving the ambient temperature collecting instruction, the temperature of the environment where the lightning protection device 3 is located is collected, and the temperature of the environment where the lightning protection device 3 is located is sent to the micro control unit 11.
In this embodiment of the application, the lightning protection device degradation degree monitoring device 1 performs data acquisition on the lightning protection device 3, and the process of 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 protection device temperature acquisition instruction and an environment temperature acquisition instruction to 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; secondly, the lightning protection device state monitor 12, the leakage current monitor 13, the lightning protection device temperature monitor 14 and the environmental temperature monitor 15 respectively 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 located according to the corresponding instructions, and send the collected data to the micro control unit 11; finally, the micro control unit 11 determines the deterioration degree of the lightning protection device 3 according to the collected data.
Optionally, the micro control unit 11 is further configured to:
and when the working state of the lightning protector 3 is the tripping state, determining the deterioration degree of the lightning protector 3 as a target value.
When the working state of the lightning arrester 3 is the non-tripping state, acquiring a leakage current preset threshold value and a temperature rise preset threshold value, and determining the deterioration degree of the lightning arrester 3 according to the leakage current of the lightning arrester 3, the temperature of the environment where the lightning arrester 3 is located, the leakage current preset threshold value and the temperature rise preset threshold value.
In this embodiment of the application, the lightning protection device degradation degree monitoring device 1 performs data acquisition on the lightning protection device 3, and the process of 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, and sends the acquired working state of the lightning protection device 3 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 deterioration degree of the lightning protection device 3 is determined to be a target value (namely a set value of 100); if the micro control unit 11 receives that the working state of the lightning arrester 3 is the non-tripping state, the micro control unit 11 respectively sends a leakage current collecting instruction, a lightning arrester temperature collecting instruction and an environment temperature collecting instruction to the leakage current monitor 13, the lightning arrester temperature monitor 14 and the environment temperature monitor 15, and obtains a leakage current preset threshold and a temperature rise preset threshold, and the leakage current monitor 13, the lightning arrester temperature monitor 14 and the environment temperature monitor 15 respectively collect the leakage current of the lightning arrester 3, the temperature of the lightning arrester 3 and the temperature of the environment where the lightning arrester 3 is located 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 deterioration degree of the lightning arrester 3 according to the collected data and the obtained leakage current preset threshold and temperature rise preset threshold.
Optionally, determining the deterioration degree of the lightning arrester 3 according to the leakage current of the lightning arrester 3, the temperature of the environment where the lightning arrester 3 is located, the preset threshold of the leakage current, and the preset threshold of the temperature rise, includes:
determining the ratio of the leakage current of the lightning protector 3 to a preset threshold of the leakage current as a first comparison result;
acquiring a difference value between the temperature of the lightning protection device 3 and the temperature of the environment where the lightning protection device 3 is located;
determining the ratio of the difference value to a preset temperature rise threshold value as a second comparison result;
and determining the deterioration degree of the lightning protector 3 according to the maximum value in the first comparison result and the second comparison result. In this embodiment of the application, the working state of the lightning protection device 3 received by the micro control unit 11 is an unfastened state (i.e. the working state of the lightning protection device is normal), and as the lightning stroke frequency increases, the leakage current of the lightning protection device 3 increases, and the increase of the leakage current causes the lightning protection device 3 to generate heat, deteriorate, even explode, which causes serious safety accidents. Therefore, the leakage current of the lightning protection device 3 and the temperature rise of the lightning protection device 3 can be used as the basis for determining the deterioration degree of the lightning protection device 3.
The deterioration degree of the lightning protector 3 can be specifically expressed by the following formula:
Figure BDA0003290738170000101
wherein D is the deterioration degree of the lightning protector 3; [ x ] of]Means taking an integer for variable x; max { y }1,y2Means take y1And y2Maximum value of (1);Iais leakage current, I, of the lightning arrester 3refIs a leakage current preset threshold; t isaIs the temperature, T, of the lightning protection means 3bIs the temperature, T, of the environment in which the lightning protection device 3 is locatedrefWhich means a preset threshold value of temperature rise.
It should be understood that, when both the leakage current of the lightning arrester 3 and the temperature rise value of the lightning arrester 3 can be used as the basis for determining the deterioration degree of the lightning arrester 3, the factor with the largest influence of the two factors can be used as the judgment basis, and the factor with the largest influence can be obtained by comparing the judgment factor with the corresponding threshold, and the deterioration degree of the lightning arrester 3 is calculated according to the factor.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: and the display 18, wherein the display 18 is connected with the micro control unit 11 and is used for displaying the deterioration degree of the lightning protection device 3.
In this embodiment, the signal receiving end of the display 18 is configured to receive display information sent by the micro control unit 11, where the display information includes a 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 understood that the display 18 in the embodiments of the present application may be any type of display, and the present application is not limited to the specific type of display 18.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: an alarm 16, the alarm 16 is connected with the micro control unit 11; and the micro control unit 11 is further configured to control the alarm 16 to give an alarm when the deterioration degree of the lightning protector 3 is greater than or equal to a preset threshold value.
In the embodiment of the present application, when the deterioration degree of the lightning protection device 3 is greater than or equal to the preset threshold, the micro control unit 11 sends the alarm information to the alarm 16, and the alarm 16 receives the alarm information and executes the instruction corresponding to the alarm information to alarm, wherein the alarm 16 can alarm in an acousto-optic alarm manner.
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 tripping state, it may be determined that the deterioration degree of the lightning protection device 3 is 100 at this time, when the deterioration 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 gives an alarm after receiving the alarm information.
In another specific implementation, if the micro control unit 11 receives that the working state of the lightning arrester 3 sent by the lightning arrester state monitor 12 is the non-tripped state, the micro control unit 11 should calculate the deterioration degree of the lightning arrester 3 in the non-tripped state according to the method for determining the deterioration degree of the lightning arrester 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, controls the alarm 16 to alarm, and sends the alarm information to the alarm 16 and the monitoring platform 2 simultaneously so as to realize remote monitoring of the 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 understood that in the embodiment of the present application, the alarm 16 may be an electronic product that reminds the user that some action should be taken in the form of sound, light, etc., and the present application does not limit the form of the alarm, nor the specific type of the alarm 16.
In an embodiment, the lightning protection device degradation monitoring apparatus 1 further includes: and the communication module 17, the communication module 17 is connected with the micro control unit 11, and is used for establishing communication connection between the lightning protection device degradation degree monitoring device 1 and the monitoring platform 2.
In this embodiment of the application, the communication mode of the communication module 17 may be 2G/3G/4G/5G/NB-IOT/RJ45/WIFI, and the like, where the connection mode of the communication module 17 and the micro control unit is serial connection, and is mainly used for data transmission between the monitoring platform 2 and the micro control unit 11.
The lightning protection device degradation degree 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, because the states of the lightning protection devices collected by the lightning protection device state monitor, the leakage currents of the lightning protection devices collected by the leakage current monitor, and the difference values of the temperatures of the lightning protection devices collected by the lightning protection device temperature monitor and the environment of the lightning protection devices collected by the environment temperature monitor are the main deterioration characteristics of the lightning protection devices, therefore, when the lightning protection device is in an un-tripping state, the micro control unit obtains the preset threshold value of leakage current and the preset threshold value of temperature rise, and when the deterioration degree of 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 preset threshold value of the leakage current and the preset threshold value of the temperature rise, the deterioration degree of the lightning protection device can be accurately analyzed.
The third embodiment of the application provides a lightning protection device degradation degree monitoring method, and the lightning protection device degradation degree monitoring method is applied to the lightning protection device degradation degree monitoring device in the second embodiment of the application. As shown in fig. 3, the lightning protection device degradation monitoring method may include the following steps:
step 301, 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.
And 302, collecting leakage current of the lightning protection device by a leakage current monitor, and sending the leakage current of the lightning protection device to a micro control unit.
And 303, acquiring the temperature of the lightning protection device by the lightning protection device temperature monitor, and sending the temperature of the lightning protection device to the micro control unit.
And 304, the environment temperature monitor acquires 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.
And 305, when the working state of the lightning protection device is in a non-tripping state, acquiring a leakage current preset threshold and a temperature rise preset threshold, comparing the leakage current of the lightning protection device with the leakage current preset threshold 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 to obtain a second comparison result, and determining the deterioration 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 protection device state monitor, a leakage current acquisition instruction to the leakage current monitor, a lightning protection device temperature acquisition instruction to the lightning protection device temperature monitor and an environment temperature acquisition instruction to the environment temperature monitor;
lightning protection device state monitor gathers the operating condition of lightning protection device to send the operating condition of lightning protection device to little the control unit and include:
and 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 gathers the leakage current of lightning protection device to send the leakage current of lightning protection device to little the control unit and include:
and when a leakage current acquisition instruction is received, acquiring leakage current of the lightning protection device, and sending the leakage current of the lightning protection device to the micro control unit.
Lightning protection device temperature monitor gathers the temperature of lightning protection device to send the temperature of lightning protection device to little the control unit includes:
when receiving the lightning protection device temperature acquisition instruction, the temperature of the lightning protection device is acquired, and the temperature of the lightning protection device is sent to the micro control unit.
The ambient temperature monitor gathers the temperature of the environment that the lightning protection device is located to send the temperature of the environment that the lightning protection device is located to micro control unit and include:
when the environmental temperature acquisition instruction is received, the temperature of the environment where the lightning protection device is located is acquired, and the temperature of the environment where the lightning protection device is located is sent to the micro control unit.
As mentioned above, each monitor is connected and matched with the micro control unit, the micro control unit can monitor 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 uninterruptedly in real time, then carry out simplified analysis and calculation on the data, analyze and compare the collected leakage current of the lightning protection device with a preset leakage current threshold value in the micro control unit, analyze and compare the difference value of the collected temperature of the lightning protection device and the temperature of the environment where the lightning protection device is located with a preset temperature rise threshold value in the micro control unit, send alarm information to the alarm device and send display information to the display according to the working state of the lightning protection device, and respectively carry out alarm and display according to the alarm information and the display information.
When the micro control unit acquires that the working state of the lightning protection device is a tripping state, the micro control unit sends alarm information to the alarm and sends display information to the display, the alarm gives an alarm, the display displays that the lightning protection device is tripped and the deterioration degree is 100, and the alarm information and the display information are sent to the monitoring platform, so that remote monitoring of a user is realized.
When the micro control unit acquires that the working state of the lightning protection device is in a non-tripping state, the micro control unit firstly sends a leakage current acquisition instruction, a lightning protection device temperature acquisition instruction and an environment temperature acquisition instruction to the leakage current monitor, the lightning protection device temperature acquisition instruction and the environment temperature monitor respectively, acquires corresponding acquired data and a preset leakage current threshold value and a preset temperature rise threshold value preset in the micro control unit, calculates the deterioration degree of the lightning protection device according to the specific calculation method of the deterioration degree of the lightning protection device in the second embodiment of the application, and when the calculated deterioration degree is smaller than the preset threshold value, the micro control unit sends display information to a display to control the display to display the deterioration degree of the lightning protection device, 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 search the historical record of the deterioration degree of the lightning protection device.
When the calculated degradation degree is larger than or equal to the preset threshold value, the micro control unit respectively sends alarm information and display information to the alarm and the display, controls the alarm to give an 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 to realize remote monitoring of the user.
In the embodiment of the application, the method for determining the deterioration 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 located.
It should be noted that, for 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 ambient temperature monitor, the alarm, the communication module, the display, and the monitoring platform in the lightning protection device degradation degree monitoring method provided in the embodiment of the present application, reference may be made to the description of the first embodiment and the second embodiment, which is not described herein again.
The above 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 will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may 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 (9)

1. The lightning protection device degradation degree 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 protection device state monitor, the leakage current monitor, the lightning protection device 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 arrester is in a non-tripping state, comparing the leakage current of the lightning arrester with the leakage current preset threshold value to obtain a first comparison result, comparing the temperature of the lightning arrester and the temperature of the environment where the lightning arrester is located with the temperature rise preset threshold value to obtain a second comparison result, and determining the deterioration degree of the lightning arrester according to 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 protection device state monitor, sending a leakage current acquisition instruction to the leakage current monitor, sending a lightning protection device temperature acquisition instruction to the lightning protection device temperature monitor, and sending an environment temperature acquisition instruction to the environment temperature monitor;
the lightning protection device state monitor is specifically used for:
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 specifically configured to:
when the leakage current collecting instruction is received, 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 specifically used for:
when the 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 ambient temperature monitor is specifically configured to:
when the environment temperature acquisition instruction is received, the temperature of the environment where the lightning protection device is located is acquired, and the temperature of the environment where the lightning protection device is located is sent to the micro control unit.
3. The lightning protection device degradation monitoring device according to claim 1, wherein the comparing the leakage current of the lightning protection device with the preset threshold of leakage current yields 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 preset threshold of temperature rise yields 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 includes:
determining the ratio of the leakage current of the lightning protector to the preset threshold of the leakage current 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 located;
determining the ratio of the difference value to the preset temperature rise threshold value as a second comparison result;
and determining the deterioration degree of the lightning protector according to the maximum value in the first comparison result and the second comparison result.
4. 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 deterioration degree of the lightning protection device as a target value.
5. The lightning protection device degradation monitoring device of claim 1, further comprising:
a display;
the display is connected with the micro control unit and used for displaying the deterioration degree of the lightning protection device.
6. The lightning protection device degradation monitoring device of 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 deterioration degree of the lightning protector is greater than or equal to a preset threshold value.
7. The lightning protection device degradation monitoring device according to any one of claims 1 to 6, further comprising:
the communication module is connected with the micro control unit;
and the communication module is used for establishing communication connection between the lightning protection device degradation degree monitoring device and the monitoring platform.
8. 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 device according to any one of claims 1-7, the monitoring platform monitoring the lightning protection device through the lightning protection device degradation monitoring device.
9. The lightning protection device degradation degree monitoring method is applied to a lightning protection device degradation degree monitoring device, and the lightning protection device degradation degree 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 protection device state monitor, the leakage current monitor, the lightning protection device temperature monitor and the environment temperature monitor; the lightning protection device degradation degree monitoring method comprises the following steps:
the lightning protection device state monitor acquires 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 environment temperature monitor acquires 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 a non-tripping 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 located with the temperature rise preset threshold value to obtain a second comparison result, and determining the deterioration degree of the lightning protection device according to the first comparison result and the second comparison result.
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