Intelligent high-voltage drop-out fuse and online transformer area monitoring method

Abstract

The invention belongs to the technical field of fuses, and particularly relates to an intelligent high-voltage drop-out fuse which is connected to a connecting support and comprises an insulating terminal, an acquisition module and a collection unit. And one end of the insulating terminal is fixed on the connecting bracket through a fastener. The upper end and the lower end of the insulating terminal are respectively provided with a positive wiring piece and a negative wiring piece for wire connection. The insulated terminal is also provided with a fuse tube, and the fuse tube is located between the positive wiring piece and the negative wiring piece. The acquisition template comprises a housing, and a current sensor, a voltage sensor and a capacitance power taking unit which are arranged in the housing. The current sensor, the voltage sensor and the capacitance electricity taking unit take electricity in an induction mode through the positive wiring piece and the negative wiring piece respectively. Current and voltage sensors are arranged in the collecting unit, and through timely monitoring of voltage and current, electric energy quality is fully and accurately analyzed, and power supply and consumption conditions are mastered. Operation data such as voltage, current, power and the like are collected in real time, zero-sequence voltage and zero-sequence current data are synthesized through hardware, interphase faults, grounding faults and the like are researched and judged, and intelligent functions such as drop monitoring and analysis, electric energy metering, fault analysis and the like are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of fuses, and in particular relates to an intelligent high-voltage drop-out fuse and an online station area monitoring method. Background Art

[0002] With the continuous advancement of the construction of digital distribution networks, the intelligence level of distribution equipment has been continuously improved, and the transparency of distribution networks in substations has become a top priority. The primary and secondary integrated switchgear has realized the observability, measurability and controllability of 10kV lines; the edge and end equipment with intelligent fusion terminals as the core has realized the transparency of low-voltage substations. At present, most of the user demarcation points are still protected by fuses. During the operation of large-scale fuses, their status monitoring has been in a "blind spot" for a long time, and there is a lack of effective real-time online monitoring methods. This makes it difficult for operation and maintenance personnel to grasp the working status of the fuse in a timely manner, unable to prevent potential faults, and affecting the safety and reliability of the distribution system.

[0003] In addition, in the distribution network, the management and maintenance of the substation is crucial to ensure the stability and safety of power supply. Traditionally, the management of the substation relies on manual inspections and regular testing, which is not only inefficient, but also difficult to detect and handle faults in a timely manner, especially when facing key equipment such as drop-out fuses, whose failures may cause local power outages and affect users' power experience. Summary of the invention

[0004] The object of the present invention is to provide an intelligent high-voltage drop-out fuse and an online zone monitoring method, aiming to solve the above technical problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides an intelligent high-voltage drop-out fuse, which is used to monitor the electric energy parameters of a primary circuit and is fixed on a connecting bracket. The fuse includes an insulating terminal, a collection module and a collection unit. The surface of the insulating terminal is surrounded by several layers of evenly distributed umbrella skirts, and one end of the insulating terminal is connected to the connecting bracket through a fastener; the upper and lower ends of the insulating terminal are respectively provided with a positive wiring member and a negative wiring member for wire connection; the insulating terminal is also provided with a fuse tube, and the fuse tube is located between the positive wiring member and the negative wiring member; the collection module is arranged at the side end of the insulating terminal, and is used to collect the electric energy parameters of the primary circuit; the collection unit is arranged on the connecting bracket, and is respectively connected to the collection module by wires for data collection and processing.

[0006] Furthermore, the collection template includes a shell and a current sensor, a voltage sensor and a capacitor power supply unit arranged in the shell; the current sensor, the voltage sensor and the capacitor power supply unit respectively draw electricity through a positive wiring member and a negative wiring member; the collection unit is respectively connected to the current sensor, the voltage sensor and the capacitor power supply unit by wires to collect and process data.

[0007] Furthermore, the current sensor, the voltage sensor and the capacitor power extraction unit are integrally cast.

[0008] Furthermore, the collection unit is composed of a module bin and a module body. The module bin is fixed on a connecting bracket, and the module body can be hot-pluggably connected to the inside of the module bin. A locking mechanism is also provided between the module bin and the module body to lock the two.

[0009] Furthermore, the module body includes a processing unit for data and a transformer unit for supplying power to the entire module body, as well as an alarm unit, a fault detection unit, a metering unit and a communication unit; the transformer unit includes a transformer unit and a voltage stabilizing unit, the capacitor power supply unit system takes power and supplies power to the transformer unit, the transformer unit transmits power to the voltage stabilizing unit after power conversion, and the voltage stabilizing unit is connected to the processing unit, the alarm unit, the fault detection unit, the metering unit and the communication unit; the communication unit remotely transmits data to a terminal device for integrating data, and the terminal device is also respectively connected to the capacitor power supply unit, the solar power supply device and the backup energy device. When the first two power supplies fail, the backup energy device actively discharges to supply power to the terminal device.

[0010] Furthermore, it also includes an online area monitoring method based on a drop-out fuse, such as the following steps:

[0011] Based on the regional distribution network of the primary circuit, the power parameters of each drop-out fuse used to monitor the primary circuit are collected in real time, and the power parameters of the drop-out fuse are transmitted to the intelligent fusion terminal through RF communication. The intelligent fusion terminal obtains the dropped power parameters and reports them to the distribution Internet of Things platform to analyze and calculate the transformer loss;

[0012] Based on the regional distribution network of the secondary circuit, the power parameters of the branch monitoring units used to monitor the secondary circuit are collected in real time. The intelligent fusion terminal obtains the power parameters of the branch and reports them to the distribution Internet of Things platform to analyze and calculate the transformer loss.

[0013] Furthermore, the branch monitoring unit includes an intelligent photovoltaic protection switch and an intelligent measurement switch.

[0014] Further, the method further comprises the following steps:

[0015] The secondary circuit uses the intelligent photovoltaic protection switch to unify the AC power distribution to AC appliances, inverters, AC devices and low-voltage flexible DC devices. The inverter, converter and low-voltage flexible DC device unify the DC power distribution to distributed photovoltaics, smart charging piles, smart energy storage devices and DC appliances. The intelligent photovoltaic protection switch collects the power parameters of each branch and transmits them to the intelligent fusion terminal, and reports them to the power distribution Internet of Things platform to analyze and calculate the transformer loss.

[0016] The secondary circuit distributes AC power to the smart IoT meter that records the user's daily electricity consumption through the smart measuring switch. The smart measuring switch collects the power parameters of each branch and transmits them to the smart fusion terminal, which then reports them to the power distribution IoT platform to analyze and calculate the transformer loss.

[0017] Furthermore, a cut-off intelligent residual current action protection circuit breaker is provided between the intelligent fusion terminal and the intelligent photovoltaic protection switch, and between the intelligent fusion terminal and the intelligent measuring switch.

[0018] Furthermore, the intelligent converged terminal and the power distribution IoT platform directly adopt 4G / 5G communication.

[0019] The above one or more technical solutions in the intelligent high-voltage drop-out fuse and the online station area monitoring method provided by the present invention have at least one of the following technical effects:

[0020] In this design, the surface of the insulating terminal is surrounded by several layers of evenly distributed umbrella skirts to improve the insulation performance. One end is connected to the connecting bracket through a snap-fit ​​piece, which is easy to install and disassemble. The positive wiring piece and the negative wiring piece are located at the upper and lower ends of the insulating terminal respectively, and are used for wire connection. The fuse tube is located between the positive wiring piece and the negative wiring piece. As the core component of the fuse, it is used to cut off the circuit when the current is too large. The acquisition module fully and accurately analyzes the power quality and grasps the power supply and consumption status. The intelligent high-voltage drop-out fuse adopts a primary and secondary deep fusion design, realizing all the functions of the primary and secondary fusion complete set of pole-mounted circuit breakers except for opening and closing, and basically meets the requirements of distribution automation. The collection unit collects power operation data in real time, analyzes and judges faults such as phase-to-phase and grounding, and realizes intelligent functions such as drop monitoring and analysis, electrical parameter collection, power metering, and fault analysis. In addition, the intelligent high-voltage drop-out fuse has a local communication function, which can communicate with the intelligent fusion terminal of the substation area through micro-power wireless to realize panoramic and transparent monitoring of the substation area. By collecting the electric energy data of the intelligent fuse and the area main meter, the loss calculation of the distribution transformer can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 A schematic diagram of the overall structure of an intelligent high-voltage drop-out fuse provided in an embodiment of the present invention;

[0023] Figure 2A schematic diagram of the insulating terminal structure of an intelligent high-voltage drop-out fuse provided in an embodiment of the present invention;

[0024] Figure 3 A schematic diagram of the structure of a collection unit of an intelligent high-voltage drop-out fuse provided in an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of a module body of an intelligent high-voltage drop-out fuse provided in an embodiment of the present invention;

[0026] Figure 5 A flow chart of an online station area monitoring method based on a drop-out fuse provided in an embodiment of the present invention.

[0027] Figure 6 A unit distribution diagram of an online area monitoring method based on a drop-out fuse provided in an embodiment of the present invention.

[0028] Among them, the reference numerals in the figure are:

[0029] 100, fuse; 110, insulating terminal; 111, umbrella skirt; 120, buckle; 130, positive wiring member; 140, negative wiring member; 150, fuse tube; 160, connecting bracket;

[0030] 200, acquisition module; 210, housing; 220, current sensor; 230, voltage sensor; 240, capacitor power acquisition unit;

[0031] 300, collection unit; 310, module compartment; 320, module body; 330, insulating operating rod;

[0032] 400, processing unit; 410, power transformation unit; 411, voltage transformation unit; 412, voltage stabilization unit; 420, alarm unit; 430, fault detection unit; 440, metering unit; 450, communication unit;

[0033] 500. Terminal equipment; 510. Backup energy device. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings 1-6, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Figure 1-6 The described embodiments are exemplary and are intended to be used to explain the embodiments of the present invention, but should not be construed as limiting the present invention.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0038] 1. In one embodiment of the present invention, an intelligent high-voltage drop-out fuse 100 is provided for monitoring the electric energy parameters of a primary circuit. The fuse 100 is fixed on a connection bracket 160. The fuse 100 includes an insulating terminal 110, a collection module 200, and a collection unit 300. The surface of the insulating terminal 110 is surrounded by several layers of evenly distributed umbrella skirts 111, and one end of the insulating terminal 110 is connected to the connection bracket 160 through a fastener 120. The upper and lower ends of the insulating terminal 110 are respectively provided with a positive wiring member 130 and a negative wiring member 140 for wire connection. A fuse tube 150 is also provided on the insulating terminal 110, and the fuse tube 150 is located between the positive wiring member 130 and the negative wiring member 140. The acquisition module 200 is arranged at the side of the insulating terminal 110, and the acquisition template includes a housing 210 and a current sensor 220, a voltage sensor 230 and a capacitor power taking unit 240 arranged in the housing 210; the current sensor 220, the voltage sensor 230 and the capacitor power taking unit 240 respectively take electricity through the positive wiring member 130 and the negative wiring member 140. The collection unit 300 is arranged on the connecting bracket 160, and is respectively connected to the current sensor 220, the voltage sensor 230 and the capacitor power taking unit 240 by wires for data acquisition and processing.

[0039] Specifically, the surface of the insulating terminal 110 is surrounded by several layers of evenly distributed umbrella skirts 111, which improves the insulation performance. One end is connected to the connecting bracket 160 through a buckle 120, which is convenient for installation and disassembly. The positive wiring member 130 and the negative wiring member 140 are connected to the cable to draw power. The positive wiring member 130 and the negative wiring member 140 are respectively located at the upper and lower ends of the insulating terminal 110, and are used for connecting the wire (cable) to draw power. The fuse tube 150 is located between the positive wiring member 130 and the negative wiring member 140. As the core component of the fuse 100, it is used to cut off the circuit when the current is too large. The acquisition module 200 adopts a capacitor power-drawing method, which eliminates the problem that the CT power-drawing is affected by the load. It can draw power stably even in the falling state. In addition, it completely avoids the safety hazards caused by ferromagnetic resonance. The built-in current and voltage sensor 230 fully and accurately analyzes the power quality and grasps the power supply and use status through timely monitoring of voltage and current. The intelligent high-voltage drop-out fuse 100 adopts a primary and secondary deep integration design, realizing all functions of the primary and secondary integrated pole-mounted circuit breaker except opening and closing, meeting the requirements of power distribution automation. The collection unit 300 collects operating data such as voltage, current, and power in real time, and synthesizes zero-sequence voltage and zero-sequence current data by digital and hardware, and analyzes and judges faults such as phase-to-phase and grounding, realizing intelligent functions such as drop monitoring and analysis, electrical parameter collection, electric energy metering, and fault analysis.

[0040] Furthermore, the current sensor 220, the voltage sensor 230 and the capacitor power supply unit 240 are integrally cast. The intelligent high-voltage drop-out fuse 100 has the current sensor 220, the voltage sensor 230 and the capacitor power supply unit 240 all built-in, integrally cast, and the voltage collection, current collection, power supply and other devices are all contactless sensing devices, and the opening can be put on the wire, eliminating the troublesome operation of the wire. The collection unit 300 integrates intelligence and communication functions, and can be maintained without power outage through the insulating operating rod 330.

[0041] like Figure 1-2 As shown, the measurement range of the voltage sensor 230 is 0-30KV, which covers the voltage requirements of most medium and low voltage power distribution systems, ensuring the stable operation of the fuse 100 under different voltage conditions. The measurement accuracy of the voltage sensor 230 reaches level 0.2, and the measurement error of the voltage sensor 230 is within ±0.2%, which ensures the accuracy and reliability of the monitoring data. The measurement range of the current sensor 220 is 0-1000A, and the measurement accuracy of the current sensor 220220 reaches level 0.2. This range is also applicable to most medium and low voltage power distribution systems, ensuring accurate monitoring of the fuse 100 under different load conditions. The measurement error of the current sensor 220 is also controlled within ±0.2%, further improving the accuracy of the monitoring data.

[0042] Further, if Figure 1-2 As shown, the capacitor power supply unit 240 adopts a PT power supply device. When the current is greater than 3A, the capacitor power supply unit 240 provides power for the entire system; when the current is less than or equal to 3A, the capacitor power supply unit 240 can provide energy greater than 1.5W.

[0043] Further, if Figure 1-3 As shown, the collection unit 300 is composed of a module compartment 310 and a module body 320. The module compartment 310 is fixed on the connecting bracket 160, and the module body 320 can be hot-pluggably connected to the inside of the module compartment 310. A locking mechanism is also provided between the module compartment 310 and the module body 320 to lock the two. The locking mechanism is connected to an insulating operating rod 330 to pull out the module body 320. Specifically, the module compartment 310 is used to protect the module body 320 from being corroded by the external environment. When maintenance is required, the insulating operating rod 330 and a special key can be used to unlock and pull out the module body 320, and then the module compartment 310 can be inserted after maintenance.

[0044] Further, if Figure 3-4As shown, the module body 320 includes a processing unit 400 for data and a transformer unit 410 for supplying power to the entire module body 320, as well as an alarm unit 420, a fault detection unit 430, a metering unit 440 and a communication unit 450. The transformer unit 410 includes a transformer unit 411 and a voltage stabilizing unit 412. The capacitor power supply unit 240 system takes power and supplies power to the transformer unit 411. The transformer unit 411 transforms the power and transmits it to the voltage stabilizing unit 412. The voltage stabilizing unit 412 is connected to the processing unit 400, the alarm unit 420, the fault detection unit 430, the metering unit 440 and the communication unit 450. Specifically, the capacitor power supply unit 240 transmits electric energy to the transformer unit 411 after taking power, and the transformer unit 411 then forms a stable voltage through the voltage stabilizing unit 412 to supply power to the processing unit 400, the alarm unit 420, the fault detection unit 430, the metering unit 440 and the communication unit 450. 1. The intelligent high-voltage drop-out fuse 100 collects operating data such as voltage, current, and power in real time, and can store fixed-point data according to a set period to form records such as load curves. The alarm unit 420 can actively warn when abnormal conditions such as overload and voltage over-limit occur, and when the drop-out fuse 100 drops, it can actively report the drop event, and judge the cause of the drop based on the electrical quantity parameters, and provide processing suggestions for the operation and maintenance personnel. 2. The collection unit 300 can synthesize the voltage and current parameters into zero-sequence voltage and zero-sequence current data in hardware to judge the faults between phases and grounding. 3. The metering unit 440 can calculate the forward and reverse active energy, forward and reverse reactive energy and four-quadrant reactive energy data of the drop-out fuse 100, store the fixed-point data according to the set parameters, and upload it to the remote terminal device 500 wirelessly. 5. The communication unit 450 has local and remote communication functions, such as WIFI and Bluetooth transmission, and can wirelessly access a remote main station or cloud platform, and cooperate with APP, mini-programs, etc. to realize mobile operation and maintenance.

[0045] Further, if Figure 1-2 As shown, the communication unit 450 transmits the data remotely to the terminal device 500 for integrating the data. The terminal device 500 is also connected to the capacitor power supply unit 240, the solar power supply device and the backup energy device 510 respectively. When the first two power sources lose power, the backup energy device 510 actively discharges to supply the terminal device 500 with power. Usually, the data terminal is powered by inductive power supply and solar power supply, and the backup energy device 510 is float-charged at the same time. After the two power sources lose power, the backup energy device 510 supplies power. The backup energy device 510 can be a battery or a supercapacitor, and the backup energy device 510 can continue to work for hours.

[0046] Second, in another embodiment of the present invention, Figure 5 As shown, it includes an online area monitoring method based on a drop-out type fuse, such as the following steps:

[0047] S210: Based on the regional distribution network of the primary circuit, the power parameters of each drop-out fuse used to monitor the primary circuit are collected in real time, and the power parameters of the drop-out fuse are transmitted to the intelligent fusion terminal through RF communication. The intelligent fusion terminal obtains the dropped power parameters and reports them to the distribution Internet of Things platform to analyze and calculate the transformer loss;

[0048] S220: Based on the regional distribution network of the secondary circuit, the power parameters of the branch monitoring unit used to monitor the secondary circuit are collected in real time. The intelligent fusion terminal obtains the power parameters of the branch and reports them to the distribution Internet of Things platform to analyze and calculate the transformer loss.

[0049] Specifically, the intelligent high-voltage drop-out fuse has a local communication function, which can communicate with the intelligent fusion terminal of the substation through micro-power wireless to achieve panoramic and transparent monitoring of the high and low voltage sides of the distribution transformer and the substation. In addition, by collecting the power data of the intelligent fuse and the substation master meter, the loss calculation of the distribution transformer can be realized. Real-time monitoring of drop-out fuses and substation power can be achieved, reducing the frequency of manual inspections and improving response speed. Through data analysis, operation and maintenance personnel can clearly understand the operating status of the substation and promptly discover and solve potential problems.

[0050] Further, if Figure 5-6 As shown, the branch monitoring unit includes an intelligent photovoltaic protection switch and an intelligent measurement switch. It also includes the following steps:

[0051] S221: The secondary circuit uses the intelligent photovoltaic protection switch to unify the AC power distribution to AC appliances, inverters, AC devices and low-voltage flexible DC devices. The inverter, converter and low-voltage flexible DC device unify the DC power distribution to distributed photovoltaics, smart charging piles, smart energy storage devices and DC appliances. The intelligent photovoltaic protection switch collects the power parameters of each branch and transmits them to the intelligent fusion terminal, and reports them to the power distribution Internet of Things platform to analyze and calculate the transformer loss.

[0052] S222: The secondary circuit is unified through the intelligent measuring switch to distribute AC power to the intelligent IoT meter used to record the user's daily electricity consumption; the intelligent measuring switch collects the power parameters of each branch and transmits them to the intelligent fusion terminal, and reports them to the distribution IoT platform to analyze and calculate the transformer loss.

[0053] Specifically, through the introduction of intelligent photovoltaic protection switches and intelligent measurement switches, refined management and monitoring of each branch of the secondary circuit in the substation area has been achieved, and the intelligent level of energy management in the substation area has been improved. Real-time collection and analysis of the power parameters of each branch will help to timely discover energy waste and loss points, take corresponding measures to optimize energy use, and improve the energy efficiency of the substation area.

[0054] Further, if Figure 5-6As shown in the figure, there are intelligent residual current action protection circuit breakers that can be cut off between the intelligent fusion terminal and the intelligent photovoltaic protection switch, and between the intelligent fusion terminal and the intelligent measurement switch. The introduction of the intelligent residual current action protection circuit breaker can automatically cut off the circuit when the residual current exceeds the set threshold, effectively preventing electrical fires and personal electric shock accidents, and enhancing the electrical safety of the substation.

[0055] Further, if Figure 5-6 As shown in the figure, the intelligent fusion terminal and the power distribution IoT platform directly use 4G / 5G communication. Compared with traditional wired communication or low-speed wireless communication, the intelligent fusion terminal and the power distribution IoT platform use 4G / 5G communication, which has faster data transmission rate and lower latency, and can transmit substation monitoring data in real time, thus improving data transmission efficiency.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent high-voltage drop-out fuse for monitoring the electric energy parameters of a primary circuit, characterized in that: Fixed on a connection bracket (160), the fuse (100) comprises An insulating terminal (110) having a plurality of evenly distributed sheds (111) surrounding its surface, one end of which is connected to the connection bracket (160) via a buckle (120); a positive wiring member (130) and a negative wiring member (140) for connecting wires are respectively provided at the upper and lower ends of the insulating terminal (110); a fuse tube (150) is also provided on the insulating terminal (110), and the fuse tube (150) is located between the positive wiring member (130) and the negative wiring member (140); A collection module (200), arranged at a side end of the insulating terminal (110), and used for collecting electric energy parameters in a primary circuit; The collection unit (300) is arranged on the connection bracket (160) and is connected to the collection module (200) via wires for data collection and processing.

2. The intelligent high-voltage drop-out fuse according to claim 1 is characterized in that: The acquisition template comprises a housing (210) and a current sensor (220), a voltage sensor (230) and a capacitive power acquisition unit (240) arranged in the housing (210); the current sensor (220), the voltage sensor (230) and the capacitive power acquisition unit (240) respectively acquire electricity by induction through the positive wiring member (130) and the negative wiring member (140); the collection unit (300) is respectively connected to the current sensor (220), the voltage sensor (230) and the capacitive power acquisition unit (240) by wires for data acquisition and processing.

3. The intelligent high-voltage drop-out fuse according to claim 2 is characterized in that: The current sensor (220), the voltage sensor (230) and the capacitor power extraction unit (240) are integrally cast.

4. The intelligent high-voltage drop-out fuse according to claim 1, characterized in that: The collection unit (300) is composed of a module bin (310) and a module body (320); the module bin (310) is fixed on the connecting bracket (160); the module body (320) can be hot-pluggably connected to the inside of the module bin (310); a locking mechanism is also provided between the module bin (310) and the module body (320) to lock the two.

5. The intelligent high-voltage drop-out fuse according to claim 2, characterized in that: The module body (320) comprises a data processing unit (400) and a transformer unit (410) for supplying power to the entire module body (320), as well as an alarm unit (420), a fault detection unit (430), a metering unit (440) and a communication unit (450); the transformer unit (410) comprises a transformer unit (411) and a voltage stabilizing unit (412); the capacitor power supply unit (240) supplies power to the transformer unit (411) after power is taken from the system; the transformer unit (411) transmits power to the voltage stabilizing unit (412) after power conversion; the voltage stabilizing unit (412) The unit (412) is connected to the processing unit (400), the alarm unit (420), the fault detection unit (430), the metering unit (440) and the communication unit (450); the communication unit (450) remotely transmits data to a terminal device (500) for integrating the data; the terminal device (500) is also respectively connected to the capacitor power supply unit (240), the solar power supply device and the backup energy device (510); when the first two power sources fail, the backup energy device (510) actively discharges to supply the terminal device (500) with power.

6. An online area monitoring method based on a drop-out fuse, characterized in that: As described in the following steps, Based on the regional distribution network of the primary circuit, the power parameters of each drop-out fuse used to monitor the primary circuit are collected in real time, and the power parameters of the drop-out fuse are transmitted to the intelligent fusion terminal through RF communication. The intelligent fusion terminal obtains the dropped power parameters and reports them to the power distribution Internet of Things platform to analyze and calculate the transformer loss; Based on the regional distribution network of the secondary circuit, the power parameters of the branch monitoring unit used to monitor the secondary circuit are collected in real time. The intelligent fusion terminal obtains the power parameters of the branch and reports them to the distribution Internet of Things platform to analyze and calculate the transformer loss.

7. The method for online area monitoring based on drop-out fuse according to claim 6 is characterized in that: The branch monitoring unit includes an intelligent photovoltaic protection switch and an intelligent measurement switch.

8. The method for online area monitoring based on drop-out fuse according to claim 7 is characterized in that: The following steps are also included: The secondary circuit distributes AC power to AC appliances, inverters, AC devices and low-voltage flexible DC devices uniformly through the intelligent photovoltaic protection switch, and the inverter, converter and low-voltage flexible DC device distribute DC power to distributed photovoltaics, intelligent charging piles, intelligent energy storage devices and DC appliances uniformly; The intelligent photovoltaic protection switch collects the electric energy parameters of each branch and transmits them to the intelligent fusion terminal, and reports them to the power distribution Internet of Things platform to analyze and calculate the transformer loss; The secondary circuit is connected to the intelligent IoT meter for recording the user's daily electricity consumption through the intelligent measuring switch; the intelligent measuring switch collects the power parameters of each branch and transmits them to the intelligent fusion terminal, and reports them to the power distribution IoT platform to analyze and calculate the transformer loss.

9. The online area monitoring method based on drop-out fuse according to claim 6 is characterized in that: A cut-off intelligent residual current action protection circuit breaker is provided between the intelligent fusion terminal and the intelligent photovoltaic protection switch and between the intelligent fusion terminal and the intelligent measuring switch.

10. The online area monitoring method based on drop-out fuse according to any one of claims 6 to 9, characterized in that: The intelligent fusion terminal and the power distribution Internet of Things platform directly adopt 4G / 5G communication.

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