WO2023184949A1 - Electromagnetic monitoring-based apparatus and method for monitoring hot plug module of distribution terminal - Google Patents

Abstract

An electromagnetic monitoring-based apparatus and method for monitoring a hot plug module of a distribution terminal. According to the apparatus, magnetic signals of functional modules within a preset frequency domain are acquired by means of a magnetic sensing module (10), then a first electrical signal of a primary circuit is acquired by means of an electromagnetic monitoring module (20), and the magnetic signals are converted into second electrical signals; whether the first electrical signal and the second electrical signals are abnormal is determined by means of a main control module (30), if it is determined that the first electrical signal is abnormal, a power-off operation is performed on the corresponding lines between the primary circuit and the functional modules connected thereto, and if it is determined that the second electrical signal is abnormal, a power-off operation is performed on the corresponding functional module. Thus, an abnormal module can be quickly powered off and isolated, and electrical signals can also be acquired in different acquisition modes, thereby implementing fast positioning of a module that works abnormally.

Description

Distribution terminal hot-swappable module monitoring device and method based on electromagnetic monitoring Technical field

The present invention relates to the technical field of power distribution fault monitoring, and in particular to a monitoring device and method for hot-swappable modules of power distribution terminals based on electromagnetic monitoring.

Background technique

The reliability of hot-swappable modules in power distribution terminals is an important indicator for the automation and intelligent development of distribution networks. However, in engineering applications, since most power distribution terminals work on the line side, they often need to draw power from the primary line. The voltage level of the primary line is relatively high, and the hot-swapping technology of the power distribution terminal itself is not perfect. In this case, the potential impact caused by primary line voltage disturbance will also directly affect the reliable application of terminal hot-swap technology.

In the case that the existing hot-swappable power distribution terminal technology is not perfect, the hot-swappable module itself lacks effective protection, resulting in frequent abnormal module operation. At this stage, there is a single technical solution for the protection of hot-swappable module applications; for In terms of processing abnormal working modules, there is a lack of effective adaptive application strategies, a single online diagnosis method for hot-swappable modules, and a lack of corresponding strategies for rapid "isolation" of abnormal modules. At the same time, it is difficult to quickly locate abnormal working modules, resulting in This greatly increases the time and cost of operation and maintenance.

Contents of the invention

The invention provides a hot-swappable module monitoring device and method for distribution terminals based on electromagnetic monitoring, which solves the technical problems of lack of rapid isolation of abnormal modules and difficulty in quickly locating abnormal working modules.

In view of this, the first aspect of the present invention provides a power distribution terminal hot-swappable module monitoring device based on electromagnetic monitoring, which is applied to hot-swappable modules. The hot-swappable module includes a plurality of functional modules and a primary circuit, Includes: magnetic sensing module, electromagnetic monitoring module, main control module and power-off execution module;

The magnetic sensing module is used to collect the magnetic signals of each functional module in a preset frequency domain, and is also used to send the magnetic signals to the electromagnetic monitoring module;

The electromagnetic monitoring module is used to collect the first electrical signal of the primary line, and is also used to convert the magnetic signal sent by the electromagnetic monitoring module into a second electrical signal. It is also used to convert the first telecommunications and The second electrical signals are respectively sent to the main control module through multiple channels;

The main control module is used to determine whether the first electrical signal and the second electrical signal are abnormal, and is also used to send the abnormality determination result to the power-off execution module;

The power-off execution module is used to perform a power-off operation on the circuit between the corresponding primary line and the connected functional module if it is determined that the first electrical signal is abnormal; and is also used to perform a power-off operation if it is determined that the first electrical signal is abnormal. When the second electrical signal is abnormal, the corresponding functional module is powered off.

Preferably, the magnetic sensing module includes a base plate, a spiral coil, a contact module, a first frequency domain module, a second frequency domain module and a third frequency domain module;

The spiral coil is provided on the bottom plate, the spiral coil is located above the functional module, the spiral coil is formed with a plurality of spiral spacing areas along the length direction, and the spiral spacing areas are provided with magnet blocks;

There are three contact modules, and each of the contact modules includes two contacts. The two contacts are respectively disposed on both sides of the spiral coil. Each of the contact modules The coil lengths between the two contacts corresponding to the group are different;

The three contact modules are electrically connected to the first frequency domain module, the second frequency domain module and the third frequency domain module respectively;

The first frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset first magnetic frequency domain, thereby only allowing magnetic signals in the preset first magnetic frequency domain. signal passes;

The second frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset second magnetic frequency domain, thereby only allowing magnetic signals in the preset second magnetic frequency domain. signal passes;

The third frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset third magnetic frequency domain, thereby only allowing magnetic signals in the preset third magnetic frequency domain. The signal passes.

Preferably, the main control module includes a signal processing module, a first signal analysis module, a second signal analysis module and an output module;

The signal processing module is used to filter and amplify the first electrical signal and the second electrical signal, and is also used to send the filtered and amplified first electrical signal and the second electrical signal to the first signal analysis module and the second signal analysis module;

The first signal analysis module is used to determine whether the first electrical signal has overvoltage or voltage loss. If it is determined that the first electrical signal has overvoltage or voltage loss, a first power-off signal is generated and sent to the first electrical signal. Described output module;

The first signal analysis module is used to determine whether the second electrical signal exceeds a preset voltage threshold. If it is determined that the second electrical signal exceeds the preset voltage threshold, a second power-off signal is generated and sent. to the output module;

The output module is used to send the first power-off signal and the second power-off signal to the power-off execution module.

Preferably, the first frequency domain module, the second frequency domain module and the third frequency domain module are each provided with a debugging resonant circuit, and the debugging resonant circuit is used to adjust the peak range of the corresponding magnetic frequency domain.

Preferably, the device further includes an early warning module, configured to receive a power outage signal generated when the power outage execution module performs a power outage operation, thereby issuing an early warning signal.

In a second aspect, the present invention also provides a method for monitoring hot-swappable modules of power distribution terminals based on electromagnetic monitoring, which is applied to hot-swappable modules. The hot-swappable modules include multiple functional modules and primary circuits, including the following step:

Collect the magnetic signals of each functional module in the preset frequency domain, convert the magnetic signals into second electrical signals, and collect the first electrical signals of the primary line;

Determine whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then power off the circuit between the corresponding primary circuit and the connected functional module. Operation; if it is determined that the second electrical signal is abnormal, perform a power-off operation on the corresponding functional module.

Preferably, this method also includes:

Filter the magnetic signal according to the preset first magnetic frequency domain, thereby only allowing the magnetic signal in the preset first magnetic frequency domain to pass;

Filter the magnetic signal according to the preset second magnetic frequency domain, thereby only allowing the magnetic signal in the preset second magnetic frequency domain to pass;

The magnetic signal is filtered according to a preset third magnetic frequency domain, so that only magnetic signals in the preset third magnetic frequency domain are allowed to pass.

Preferably, it is determined whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then the circuit between the corresponding primary circuit and the connected functional module is Perform a power-off operation; if it is determined that the second electrical signal is abnormal, the steps of power-off operation on the corresponding functional module specifically include:

Filter and amplify the first electrical signal and the second electrical signal;

Determine whether the first electrical signal has overvoltage or voltage loss, and if it is determined that the first electrical signal has overvoltage or voltage loss, generate a first power-off signal;

Determine whether the second electrical signal exceeds a preset voltage threshold, and if it is determined that the second electrical signal exceeds the preset voltage threshold, generate a second power-off signal;

The circuit between the corresponding primary line and the functional module connected to it is powered off according to the first power-off signal, and the corresponding functional module is powered off according to the second power-off signal.

Preferably, this method also includes:

Adjust the peak range of the corresponding magnetic frequency domain according to the preset peak range.

Preferably, this method also includes:

Receive the power-off signal generated during the power-off operation to send out an early warning signal.

It can be seen from the above technical solutions that the present invention has the following advantages:

The present invention collects the magnetic signals of each functional module in the preset frequency domain through the magnetic sensing module, and then collects the first electrical signal of the primary line through the electromagnetic monitoring module, and converts the magnetic signal into a second electrical signal, which is passed through the main control module. Determine whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then the circuit between the corresponding primary line and the connected functional module is powered off. If it is determined that the second electrical signal is abnormal, When the electrical signal is abnormal, the corresponding functional module is powered off. In this way, abnormal modules can be quickly powered off and isolated. At the same time, electrical signals can also be collected through different collection methods to quickly locate abnormal modules.

Description of drawings

Figure 1 is a schematic structural diagram of a distribution terminal hot-swappable module monitoring device based on electromagnetic monitoring provided by an embodiment of the present invention;

Figure 2 is a schematic structural diagram of a magnetic sensing module provided by an embodiment of the present invention;

Figure 3 is a flow chart of a method for monitoring hot-swappable modules of power distribution terminals based on electromagnetic monitoring provided by an embodiment of the present invention;

Figure 4 is a flow chart of step S2 of a method for monitoring hot-swappable modules of distribution terminals based on electromagnetic monitoring provided by an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

For ease of understanding, please refer to Figure 1. The present invention provides a distribution terminal hot-swappable module monitoring device based on electromagnetic monitoring, which is applied to hot-swappable modules. The hot-swappable module includes multiple functional modules and primary circuits. It includes: magnetic sensing module 10, electromagnetic monitoring module 20, main control module 30 and power-off execution module 40;

Among them, the functional modules include power supplies, signal acquisition modules, MCU modules, etc., while the primary circuit includes the voltage input circuit of the hot-swappable module and the connections between each functional module.

The magnetic sensing module 10 is used to collect the magnetic signals of each functional module in the preset frequency domain, and is also used to send the magnetic signals to the electromagnetic monitoring module 20;

It can be understood that each functional module will generate a magnetic signal in a predetermined frequency domain when working, and the magnetic signal of the corresponding functional module can be obtained through the magnetic sensing module 10 .

The electromagnetic monitoring module 20 is used to collect the first electrical signal of the primary line, and is also used to convert the magnetic signal sent by the electromagnetic monitoring module 20 into a second electrical signal. It is also used to transmit the first telecommunications and the second electrical signal through multiple channels. Sent to the main control module 30 respectively;

Among them, the first electrical signal and the second electrical signal acquired by the electromagnetic monitoring module 20 correspond to different modules. Therefore, the first electrical signal and the second electrical signal are transmitted separately through multiple channels, so that the first electrical signal and the second electrical signal are transmitted separately. The first electrical signal and the second electrical signal are classified without interfering with each other.

The main control module 30 is used to determine whether the first electrical signal and the second electrical signal are abnormal, and is also used to send the abnormality determination result to the power-off execution module 40;

The power-off execution module 40 is used to perform a power-off operation on the circuit between the corresponding primary line and the connected functional module if the first electrical signal is determined to be abnormal; and is also used to perform a power-off operation if the second electrical signal is determined to be abnormal. , then power off the corresponding functional module.

It should be noted that the invention provides a distribution terminal hot-swappable module monitoring device based on electromagnetic monitoring, which collects the magnetic signals of each functional module in a preset frequency domain through the magnetic sensing module 10, and then uses the electromagnetic monitoring module to 20 collects the first electrical signal of the primary line and converts the magnetic signal into a second electrical signal. The main control module 30 determines whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then The circuit between the corresponding primary circuit and the connected functional module is powered off. If the second electrical signal is determined to be abnormal, the corresponding functional module is powered off. In this way, abnormal modules can be quickly powered off and isolated. At the same time, electrical signals can also be collected through different collection methods to quickly locate abnormal modules.

In a specific embodiment, as shown in Figure 2, the magnetic sensing module 10 includes a base plate 11, a spiral coil 12, a contact module, a first frequency domain module, a second frequency domain module and a third frequency domain module;

A spiral coil 12 is provided on the bottom plate 11. The spiral coil 12 is located above the functional module. The spiral coil 12 is formed with a plurality of spiral spacing areas along the length direction, and the spiral spacing areas are provided with magnet blocks 14;

Among them, the base plate 11 is made of a non-magnetic aluminum plate, the pitch of the spiral coil 12 is 15-20 mm, and the magnetic block 14 is made of No. 10 steel with good magnetic permeability.

There are three contact modules, and each contact module includes two contacts 13. The two contacts 13 are respectively disposed on both sides of the spiral coil 12, and each contact module corresponds to two contacts. Coil lengths vary between 13;

The three contact modules are electrically connected to the first frequency domain module, the second frequency domain module and the third frequency domain module respectively;

The first frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset first magnetic frequency domain, thereby only allowing magnetic signals in the preset first magnetic frequency domain to pass;

The second frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset second magnetic frequency domain, thereby only allowing magnetic signals in the preset second magnetic frequency domain to pass;

The third frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset third magnetic frequency domain, thereby only allowing the magnetic signals in the preset third magnetic frequency domain to pass.

Specifically, the working process of the magnetic sensing module is:

Place the magnetic sensing module above the functional module. The hot-swappable functional module generates a magnetic field in the space when working. After the spiral coil 12 senses the magnetic signal, it sends the magnetic signal to the frequency domain module through the contacts at both ends. The frequency domain module filters the corresponding magnetic signal, thereby only allowing the magnetic signal in the preset magnetic frequency domain to pass, thereby obtaining the magnetic signal in the specified frequency domain.

In a specific embodiment, three frequency domain modules are divided into low-frequency magnetic signals, medium-frequency magnetic signals, and high-frequency magnetic signals, where the first frequency domain module, the second frequency domain module, and the third frequency domain module are all configured There is a debugging resonant circuit, which is used to adjust the peak range of the corresponding magnetic frequency domain to make relevant parameters adjustable, including the peak-to-peak value of the output voltage.

Taking the frequency domain module i as an example, under the normal working state of the hot-swappable module, according to the characteristics of magnetic signals generated at low/medium/high frequencies, the low/medium/high frequency debugging circuit is used to perform low/medium/high frequency respectively. During the debugging of the output electrical signal, the output voltage peak-to-peak value E is used as the observation object, and the maximum output voltage peak-to-peak value E is used as the debugging target, and the position of the corresponding contact is adjusted to obtain the corresponding low/medium/high frequency Output signal, after obtaining the maximum output voltage peak-to-peak value E, record the position of the corresponding contact to complete the debugging process; after completing the debugging of the contact position, debug the values of the series and parallel resonant circuits in order to obtain the maximum output The voltage peak value E is used as the debugging target. After debugging is completed, the debugging results are recorded; during the debugging process, the low-frequency signal band is defined as <300Hz, the medium-frequency signal band is defined as 300Hz-20kHz; the high-frequency signal band is defined as >20kHz.

In a specific embodiment, the main control module 30 includes a signal processing module, a first signal analysis module, a second signal analysis module and an output module;

The signal processing module is used to filter and amplify the first electrical signal and the second electrical signal, and is also used to send the filtered and amplified first electrical signal and the second electrical signal to the first signal analysis module and second signal analysis module;

The first signal analysis module is used to determine whether the first electrical signal has overvoltage or voltage loss. If it is determined that the first electrical signal has overvoltage or voltage loss, generate a first power-off signal and send it to the output module;

The first signal analysis module is used to determine whether the second electrical signal exceeds the preset voltage threshold. If it is determined that the second electrical signal exceeds the preset voltage threshold, generate a second power-off signal and send it to the output module;

The output module is used to send the first power-off signal and the second power-off signal to the power-off execution module 40 .

It should be noted that this embodiment realizes online status monitoring and abnormal status identification of the hot-swappable module of the power distribution terminal by monitoring the electrical signals of the primary line and functional modules, wherein it is determined whether the first electrical signal is Overvoltage (such as actual voltage > 1.2 times the rated voltage) or undervoltage (such as actual voltage < 0.8 times the rated voltage) is used to determine whether to perform a power-off operation. If the voltage of the primary line is abnormal, a power-off operation is performed to prevent various The hot-swappable module is affected by abnormal primary line impact;

Secondly, by determining whether the second electrical signal is abnormal (for example, if the actual voltage is 0.9-1.1 times the rated voltage, it is recorded as normal) to determine whether the power supply of the hot-swappable module is abnormal.

In a specific embodiment, the system also includes an early warning module, configured to receive a power outage signal generated when the power outage execution module 40 performs a power outage operation, thereby issuing an early warning signal.

The above is a detailed description of an embodiment of a distribution terminal hot-swappable module monitoring system based on electromagnetic monitoring provided by the present invention. The following is a detailed description of an electromagnetic monitoring-based hot-swappable module monitoring method of a distribution terminal provided by the present invention. Detailed description of the embodiments.

For ease of understanding, please refer to Figure 3. The present invention provides a method for monitoring hot-swappable modules of distribution terminals based on electromagnetic monitoring, which is applied to hot-swappable modules. The hot-swappable modules include multiple functional modules and primary circuits. Includes the following steps:

S1. Collect the magnetic signals of each functional module in the preset frequency domain, convert the magnetic signals into the second electrical signal, and collect the first electrical signal of the primary line;

S2. Determine whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then power off the line between the corresponding primary line and the connected functional module; if it is determined that the second electrical signal is abnormal, When the electrical signal is abnormal, the corresponding functional module is powered off.

In a specific embodiment, the method further includes:

Filter the magnetic signal according to the preset first magnetic frequency domain, thereby only allowing the magnetic signal in the preset first magnetic frequency domain to pass;

Filter the magnetic signal according to the preset second magnetic frequency domain, thereby only allowing the magnetic signal in the preset second magnetic frequency domain to pass;

The magnetic signal is filtered according to the preset third magnetic frequency domain, so that only the magnetic signal in the preset third magnetic frequency domain is allowed to pass.

In a specific embodiment, step S2 specifically includes:

S201. Filter and amplify the first electrical signal and the second electrical signal;

S202. Determine whether the first electrical signal has overvoltage or voltage loss. If it is determined that the first electrical signal has overvoltage or voltage loss, generate a first power-off signal;

S203. Determine whether the second electrical signal exceeds the preset voltage threshold. If it is determined that the second electrical signal exceeds the preset voltage threshold, generate a second power-off signal;

S204. Power off the line between the corresponding primary line and the connected functional module according to the first power-off signal, and power off the corresponding functional module according to the second power-off signal.

In a specific embodiment, the method further includes:

Adjust the peak range of the corresponding magnetic frequency domain according to the preset peak range.

In a specific embodiment, the method further includes:

Receive the power-off signal generated during the power-off operation to send out an early warning signal.

Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific process of the above-described method can be referred to the corresponding process in the foregoing system embodiment, and will not be described again here.

In the several embodiments provided by the present invention, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented. On the other hand, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.

A unit described as a separate component may or may not be physically separate. A component shown as a unit may or may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above integrated units can be implemented in the form of hardware or software functional units.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions of the foregoing embodiments. The recorded technical solutions may be modified, or some of the technical features thereof may be equivalently replaced; however, these modifications or substitutions shall not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims (10)

1. A power distribution terminal hot-swappable module monitoring device based on electromagnetic monitoring is applied to hot-swappable modules. The hot-swappable module includes multiple functional modules and primary circuits, and is characterized by including: a magnetic sensing module, an electromagnetic monitoring module module, main control module and power-off execution module;

   The magnetic sensing module is used to collect the magnetic signals of each functional module in a preset frequency domain, and is also used to send the magnetic signals to the electromagnetic monitoring module;

   The electromagnetic monitoring module is used to collect the first electrical signal of the primary line, and is also used to convert the magnetic signal sent by the electromagnetic monitoring module into a second electrical signal. It is also used to convert the first telecommunications and The second electrical signals are respectively sent to the main control module through multiple channels;

   The main control module is used to determine whether the first electrical signal and the second electrical signal are abnormal, and is also used to send the abnormality determination result to the power-off execution module;

   The power-off execution module is used to perform a power-off operation on the circuit between the corresponding primary line and the connected functional module if it is determined that the first electrical signal is abnormal; and is also used to perform a power-off operation if it is determined that the first electrical signal is abnormal. When the second electrical signal is abnormal, the corresponding functional module is powered off.
2. The hot-swappable module monitoring device for distribution terminals based on electromagnetic monitoring according to claim 1, characterized in that the magnetic sensing module includes a base plate, a spiral coil, a contact module, a first frequency domain module, a second Frequency domain module and third frequency domain module;

   The spiral coil is provided on the bottom plate, the spiral coil is located above the functional module, the spiral coil is formed with a plurality of spiral spacing areas along the length direction, and the spiral spacing areas are provided with magnet blocks;

   There are three contact modules, and each of the contact modules includes two contacts. The two contacts are respectively disposed on both sides of the spiral coil. Each of the contact modules The coil lengths between the two contacts corresponding to the group are different;

   The three contact modules are electrically connected to the first frequency domain module, the second frequency domain module and the third frequency domain module respectively;

   The first frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset first magnetic frequency domain, thereby only allowing magnetic signals in the preset first magnetic frequency domain. signal passes;

   The second frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset second magnetic frequency domain, thereby only allowing magnetic signals in the preset second magnetic frequency domain. signal passes;

   The third frequency domain module is used to filter the magnetic signals collected by the corresponding contact module according to the preset third magnetic frequency domain, thereby only allowing magnetic signals in the preset third magnetic frequency domain. The signal passes.
3. The electromagnetic monitoring-based hot-swappable module monitoring device for distribution terminals according to claim 2, wherein the main control module includes a signal processing module, a first signal analysis module, a second signal analysis module and an output module;

   The signal processing module is used to filter and amplify the first electrical signal and the second electrical signal, and is also used to send the filtered and amplified first electrical signal and the second electrical signal to the first signal analysis module and the second signal analysis module;

   The first signal analysis module is used to determine whether the first electrical signal has overvoltage or voltage loss. If it is determined that the first electrical signal has overvoltage or voltage loss, a first power-off signal is generated and sent to the first electrical signal. Described output module;

   The first signal analysis module is used to determine whether the second electrical signal exceeds a preset voltage threshold. If it is determined that the second electrical signal exceeds the preset voltage threshold, a second power-off signal is generated and sent. to the output module;

   The output module is used to send the first power-off signal and the second power-off signal to the power-off execution module.
4. The electromagnetic monitoring-based hot-swappable module monitoring device for distribution terminals according to claim 2, wherein the first frequency domain module, the second frequency domain module and the third frequency domain module are all configured There is a debugging resonant circuit, which is used to adjust the peak range of the corresponding magnetic frequency domain.
5. The electromagnetic monitoring-based hot-swappable module monitoring device for distribution terminals according to claim 1, further comprising an early warning module for receiving a power outage signal generated when the power outage execution module performs a power outage operation, This will send out an early warning signal.
6. A method for monitoring hot-swappable modules of distribution terminals based on electromagnetic monitoring is applied to hot-swappable modules. The hot-swappable modules include multiple functional modules and primary circuits, and are characterized by including the following steps:

   Collect the magnetic signals of each functional module in the preset frequency domain, convert the magnetic signals into second electrical signals, and collect the first electrical signals of the primary line;

   Determine whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, then power off the circuit between the corresponding primary circuit and the connected functional module. Operation; if it is determined that the second electrical signal is abnormal, perform a power-off operation on the corresponding functional module.
7. The electromagnetic monitoring-based hot-swappable module monitoring method for distribution terminals according to claim 6, further comprising:

   Filter the magnetic signal according to the preset first magnetic frequency domain, thereby only allowing the magnetic signal in the preset first magnetic frequency domain to pass;

   Filter the magnetic signal according to the preset second magnetic frequency domain, thereby only allowing the magnetic signal in the preset second magnetic frequency domain to pass;

   The magnetic signal is filtered according to a preset third magnetic frequency domain, so that only magnetic signals in the preset third magnetic frequency domain are allowed to pass.
8. The method for monitoring hot-swappable modules of distribution terminals based on electromagnetic monitoring according to claim 7, characterized in that it is determined whether the first electrical signal and the second electrical signal are abnormal. If it is determined that the first electrical signal is abnormal, When it is abnormal, the circuit between the corresponding primary circuit and the connected functional module is powered off; if it is determined that the second electrical signal is abnormal, the corresponding functional module is powered off. The steps specifically include:

   Filter and amplify the first electrical signal and the second electrical signal;

   Determine whether the first electrical signal has overvoltage or voltage loss, and if it is determined that the first electrical signal has overvoltage or voltage loss, generate a first power-off signal;

   Determine whether the second electrical signal exceeds a preset voltage threshold, and if it is determined that the second electrical signal exceeds the preset voltage threshold, generate a second power-off signal;

   The circuit between the corresponding primary line and the connected functional module is powered off according to the first power-off signal, and the corresponding functional module is powered off according to the second power-off signal.
9. The electromagnetic monitoring-based hot-swappable module monitoring method for distribution terminals according to claim 7, further comprising:

   Adjust the peak range of the corresponding magnetic frequency domain according to the preset peak range.
10. The electromagnetic monitoring-based hot-swappable module monitoring method for distribution terminals according to claim 6, further comprising:

    Receive the power-off signal generated during the power-off operation to send out an early warning signal.

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