CN111755969A - High protection modularization block terminal - Google Patents
High protection modularization block terminal Download PDFInfo
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- CN111755969A CN111755969A CN202010677893.9A CN202010677893A CN111755969A CN 111755969 A CN111755969 A CN 111755969A CN 202010677893 A CN202010677893 A CN 202010677893A CN 111755969 A CN111755969 A CN 111755969A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Alarm Systems (AREA)
Abstract
The invention relates to the technical field of distribution boxes, in particular to a high-protection modular distribution box which comprises a distribution box, a display module, an acquisition module, a security monitoring terminal, an alarm module, a data analysis module, a network server, a storage module, a database, a water level monitoring module, a feedback module, a distribution transformer and an infrared temperature measurement module. The high-protection modular distribution box provided by the invention has the advantages of convenience for running inspection information state analysis, monitoring and early warning, fault research and judgment, auxiliary decision, risk management and control and intelligent resource allocation.
Description
Technical Field
The invention relates to the technical field of distribution boxes, in particular to a high-protection modular distribution box.
Background
The continuous deepening of the energy revolution, the continuous evolution of the energy internet and the continuous development of the new generation information communication technology open a new state that advanced technologies such as artificial center, cloud big thing moving intelligence and the like are taken as means and information physics is deeply integrated, the idea and the solution of the power internet of things are developed at the beginning, and the establishment of the power distribution internet of things is an urgent need and is a substantial improvement on the power distribution network based on the condition of the power distribution network and the requirement of energy transformation development in China at present.
Potential safety hazards such as personal injury caused by prying of a cabinet door, theft of equipment in the cabinet and intrusion of external personnel exist in the power distribution equipment; the operation environment of the power line deteriorates day by day, and the phenomena of house building, road widening, subway construction, tree transplanting, urban construction, stealing and the like in the line corridor of the original region are frequent day by day, so that the safe operation of the power line is seriously threatened.
Therefore, there is a need to provide a high protection modular electric power distribution box that solves the above mentioned technical problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the high-protection modular distribution box which is convenient for running inspection information state analysis, monitoring early warning, fault study and judgment, decision assistance, risk management and control and intelligent resource allocation.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-protection modular distribution box comprises a distribution box, a display module, an acquisition module, a security monitoring terminal, an alarm module, a data analysis module, a network server, a storage module, a database, a water level monitoring module, a feedback module, a distribution transformer and an infrared temperature measurement module, wherein the distribution box is connected with the display module, the distribution box is connected with the acquisition module, the acquisition module is connected with the security monitoring terminal, the security monitoring terminal is connected with the alarm module, the alarm module is connected with the distribution box, the distribution box is connected with the data analysis module, the distribution box is connected with the network server, the distribution box is connected with the storage module, the storage module is connected with the database, the distribution box is connected with a detection device, the feedback module is connected with the distribution transformer, the distribution box is connected with the water level monitoring module, the water level monitoring module is connected with the distribution transformer, the distribution voltage device is connected with the infrared temperature measurement module.
By adopting the technical scheme, the data analysis module analyzes factors influencing the actual running state of the equipment according to the on-line parameters, the test data and the historical records of the power distribution equipment to obtain the quantitative index of the health condition of the equipment, and predicts the development direction of the state of the equipment, the future health condition, the residual service life and the fault occurrence probability by applying a big data analysis and situation perception technology, so as to provide an auxiliary decision for the active maintenance of the equipment.
Through adopting above-mentioned technical scheme, the block terminal includes data processor, topology identification module, communication module, control module and face identification module, data processor and topology identification module are connected, topology identification module and communication module connect, communication module and control module connect, control module and face identification module connect.
By adopting the technical scheme, the topology identification module is configured with the local topology information of the line based on the IEC61850 standard, and the local topology information of the ring main unit monitored by the adjacent terminal is inquired and obtained through wireless communication according to the IP address information of the adjacent terminal, so that the modeling of the network topology of the low-voltage distribution network is finally realized in sequence.
Through adopting above-mentioned technical scheme, security protection monitor terminal includes surveillance camera head, smoke transducer and infrared sensor.
Through adopting above-mentioned technical scheme, be equipped with fault location module and trouble power failure module on the distribution transformer, fault location module and trouble power failure module are connected.
By adopting the technical scheme, the fault positioning module is combined with a panoramic sensing terminal and the construction of a terminal power grid intelligent sensing system, the monitoring range of distribution network equipment is expanded, the full coverage of power transformation, power distribution and user equipment monitoring is realized, the system study and judgment logic is optimized, particularly for composite faults, the cloud and mist cooperative computing function is utilized, the fault equipment is comprehensively studied and judged, the fault study and judgment precision is improved, and the power failure time is reduced.
The invention has the beneficial effects that:
(1) according to the high-protection modular distribution box, a comprehensive demonstration area penetrating through a medium and low-voltage distribution internet of things is created, interconnection, intercommunication and interoperation among equipment are realized through a cloud, pipe, edge and end framework, and comprehensive sensing, data fusion and intelligent application of a medium and low-voltage distribution network are realized. Through the examination and popularization and application of the distribution internet of things, the electric, state and environmental quantity of main distribution equipment such as low-voltage distribution boxes at all levels and UPS, generators, ATS, SSTS and the like are monitored in real time, core equipment is modified and upgraded by applying digital and intelligent means, and the online rate of sensing elements and the intelligent analysis level of a service terminal are improved.
(2) According to the high-protection modular distribution box, due to the construction of the power internet of things, the predictability of the defects of a power grid is effectively enhanced, the 'after-repair' is converted into 'in-advance defect elimination', the situation of passive repair of low-voltage faults is changed, and the essence of a repair mode is changed. The intelligent operation and maintenance level is obviously improved, the production working efficiency is improved, and the efficient utilization of operation and maintenance resources is realized. The comprehensive monitoring and real-time early warning of medium and low voltage equipment and environment can in time discover equipment defects and hidden dangers, especially cable intermediate head, switch cabinet interior and terminal and transformer interior defects which can not be discovered by routine inspection, and promote the healthy operation level of the equipment by eliminating defects in advance.
(3) The high-protection modular distribution box provided by the invention has the advantages that a data model and a communication protocol are unified, an internet of things management center is constructed, and a standard sharing service of one-time modeling and multi-element universality is provided. The method has the advantages that research and application of the panoramic intelligent sensing terminal are developed, marketing and distribution through fusion of the low-voltage distribution network is strengthened, professional barriers are broken, data resources are integrated, data fusion through is deeply promoted, a full-service data center is established, and data sharing service of 'one-time acquisition and everywhere application' is provided.
(4) The high-protection modular distribution box deeply analyzes massive video, image, equipment, environmental state and other data, establishes a distribution network state detection typical case library and an information sharing communication platform, and realizes high-level functions of operation and inspection information state analysis, monitoring and early warning, fault study and judgment, auxiliary decision, risk management and control, intelligent resource allocation and the like on the basis of intelligent mining.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a high protection modular power distribution box according to a preferred embodiment of the present invention.
In the figure: 1. a distribution box; 2. a data processor; 3. a topology identification module; 4. a communication module; 5. a control module; 6. a face recognition module; 7. an acquisition module; 8. a security monitoring terminal; 9. an alarm module; 10. a surveillance camera; 11. a smoke sensor; 12. an infrared sensor; 13. a database; 14. a storage module; 15. a network server; 16. a data analysis module; 17. a display module; 18. a water level monitoring module; 19. a feedback module; 20. a distribution transformer; 21. an infrared temperature measurement module; 22. a fault location module; 23. and a fault power failure module.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the high-protection modular distribution box of the present invention comprises a distribution box 1, a display module 17, an acquisition module 7, a security monitoring terminal 8, an alarm module 9, a data analysis module 16, a network server 15, a storage module 14, a database 13, a water level monitoring module 18, a feedback module 19, a distribution transformer 20 and an infrared temperature measurement module 21, wherein the distribution box 1 is connected with the display module 17, the distribution box 1 is connected with the acquisition module 7, the acquisition module 7 is connected with the security monitoring terminal 8, the security monitoring terminal 8 is connected with the alarm module 9, the alarm module 9 is connected with the distribution box 1, the distribution box 1 is connected with the data analysis module 16, the distribution box 1 is connected with the network server 15, the distribution box 1 is connected with the storage module, the storage module is connected with the database 13, and the distribution box 1 is connected with a detection device, the feedback module 19 is connected with the distribution transformer 20, the distribution box 1 is connected with the water level monitoring module 18, the water level monitoring module 18 is connected with the distribution transformer 20, and the distribution transformer is connected with the infrared temperature measuring module 21.
Further, the data analysis module 16 analyzes factors affecting the actual operation state of the equipment according to the on-line parameters, the test data and the historical records of the power distribution equipment to obtain quantitative indexes of the health condition of the equipment, and predicts the development direction of the state of the equipment, the future health condition, the remaining service life and the fault occurrence probability by applying a big data analysis and situation perception technology, so as to provide an auxiliary decision for the active maintenance of the equipment.
Further, block terminal 1 includes data processor 2, topology identification module 3, communication module 4, control module 5 and face identification module 6, data processor 2 and topology identification module 3 are connected, topology identification module 3 and communication module 4 are connected, communication module 4 and control module 5 are connected, control module 5 and face identification module 6 are connected.
Furthermore, the topology identification module 3 configures local topology information of a line based on the IEC61850 standard, queries and acquires local topology information of a ring main unit monitored by an adjacent terminal through wireless communication according to the IP address information of the adjacent terminal, and finally realizes modeling of the network topology of the low-voltage distribution network in sequence.
Further, the security monitoring terminal 8 comprises a monitoring camera 10, a smoke sensor 11 and an infrared sensor 12.
Further, the distribution transformer 20 is provided with a fault location module 22 and a fault power failure module 23, and the fault location module 22 is connected with the fault power failure module 23.
Furthermore, the fault location module 22 combines the construction of a panoramic sensing terminal and a terminal power grid intelligent sensing system, expands the monitoring range of distribution network equipment, realizes the full coverage of power transformation, power distribution and user equipment monitoring, optimizes system study and judgment logic, and particularly for complex faults, utilizes a cloud and mist cooperative computing function to comprehensively study and judge fault equipment, improves fault study and judgment accuracy and reduces power failure time.
The working principle of the high-protection modular distribution box provided by the invention is as follows:
an information acquisition instruction is sent to an acquisition module 7 through a communication module 4 in a distribution box 1, the acquisition module 7 acquires information of a security monitoring terminal 8 after receiving the instruction, a monitoring camera 10 intercepts any one of monitored intrusion, fire and smoke in real time to obtain alarm point information, a smoke sensor 11 processes the fire information to obtain a virtual address of the fire information, an infrared sensor 12 processes data of the security monitoring equipment through infrared sensing to obtain the alarm point information, the acquisition module 7 transmits the acquired information to the distribution box 1, the distribution box 1 transmits the information to a storage module 14 through the communication module 4 to store after receiving the information, the information is convenient to call and compare with information transmitted by the alarm module 9, and then the information is transmitted to a data analysis module 16 according to online parameters of the distribution equipment, Test data and historical records are used for analyzing factors influencing the actual running state of equipment to obtain equipment health status quantitative indexes, big data analysis and situation perception technology are used for predicting the equipment state development direction, future health status, residual service life and failure occurrence probability, auxiliary decision is provided for equipment active maintenance, when a security monitoring terminal 8 obtains alarm information, the information is transmitted to a distribution box 1 through an alarm module 9, after the distribution box 1 receives the information, a data processor 2 compares the information in a fetching storage module 14 with the alarm information, the alarm information is analyzed and processed, after the processing is completed, the data processor 2 transmits the information to a topology identification module 3, the topology identification module 3 receives the information, local topology information of a ring main unit monitored by an adjacent terminal is inquired and obtained through wireless communication according to IP address information of the adjacent terminal, finally realizing modeling of low-voltage distribution network topology in sequence, transmitting information to a control module 5 through a communication module 4, the control module 5 controlling a display module 17 to display alarm point information and transmitting the information to a fault positioning module 22, the fault positioning module 22 combining a panoramic sensing terminal and the construction of a terminal power grid intelligent sensing system after receiving the alarm point information, expanding the monitoring range of distribution network equipment, realizing full coverage from power transformation, power distribution and user equipment monitoring, optimizing system study and judgment logic, particularly for compound faults, comprehensively studying and judging fault equipment by utilizing a cloud and mist cooperative computing function, improving fault study and judgment accuracy, reducing power failure time, transmitting the information to a fault power failure module 23 after confirming the alarm point position information, and the fault power failure module 23 transmitting instructions to a distribution transformer 20 according to fault judgment information, the distribution transformer 20 is powered off by judging the information after receiving the information, the water level monitoring module 18 is used for monitoring the water level information of the cables in the distribution room, then the information is fed back to the distribution box 1 through the feedback module 19, and through the arrangement of the distribution box 1, the acquisition module 7, the security monitoring terminal 8, the alarm module 9, the fault positioning module 22, the fault power failure module 23 and the feedback module 19, initial information of the security monitoring terminal 8 is acquired through the acquisition module 7, the alarm module 9 performs comparison according to the real-time information and the initial information to give an alarm, a worker performs arrangement according to the alarm information to perform maintenance, the safety system of the power distribution room is packaged, the overall cost of power distribution security protection in the aspect of management and maintenance is reduced, the working intensity of workers is reduced, and the alarm system can quickly respond to the alarm event and make a timely response so as to efficiently solve the occurrence of safety accidents. The electrical components that appear in this application all external intercommunication power when using.
It is well within the skill of those in the art to implement and protect the circuit and electrical components and modules without undue experimentation and without undue experimentation that the present invention is not directed to software improvements.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high protection modularization block terminal, includes block terminal (1), display module (17), collection module (7), security protection monitor terminal (8), alarm module (9), data analysis module (16), network server (15), storage module (14), database (13), water level monitoring module (18), feedback module (19), distribution transformer (20) and infrared temperature measurement module (21), its characterized in that: the distribution box (1) is connected with the display module (17), the distribution box (1) is connected with the acquisition module (7), the acquisition module (7) is connected with a security monitoring terminal (8), the security monitoring terminal (8) is connected with an alarm module (9), the alarm module (9) is connected with the distribution box (1), the distribution box (1) is connected with the data analysis module (16), the distribution box (1) is connected with a network server (15), the distribution box (1) is connected with a storage module, the storage module is connected with a database (13), the distribution box (1) is connected with a detection device, the feedback module (19) is connected with a distribution transformer (20), the distribution box (1) is connected with a water level monitoring module (18), the water level monitoring module (18) is connected with a distribution transformer (20), and the distribution transformer is connected with an infrared temperature measuring module (21).
2. The high protection modular block terminal of claim 1, wherein: the data analysis module (16) analyzes factors influencing the actual running state of the equipment according to the on-line parameters, the test data and the historical records of the power distribution equipment to obtain quantitative indexes of the health condition of the equipment, and predicts the development direction of the state of the equipment, the future health condition, the residual service life and the fault occurrence probability by applying a big data analysis and situation perception technology, so as to provide an auxiliary decision for the active maintenance of the equipment.
3. The high protection modular block terminal of claim 1, wherein: block terminal (1) includes data processor (2), topology identification module (3), communication module (4), control module (5) and face identification module (6), data processor (2) and topology identification module (3) are connected, topology identification module (3) and communication module (4) are connected, communication module (4) and control module (5) are connected, control module (5) and face identification module (6) are connected.
4. A high protection modular block terminal according to claim 3, wherein: the topology identification module (3) is configured with local topology information of a line based on IEC61850 standard, and inquires and acquires local topology information of a ring main unit monitored by an adjacent terminal through wireless communication according to IP address information of the adjacent terminal, so that the modeling of the network topology of the low-voltage distribution network is finally realized in sequence.
5. The high protection modular block terminal of claim 1, wherein: the security monitoring terminal (8) comprises a monitoring camera (10), a smoke sensor (11) and an infrared sensor (12).
6. The high protection modular block terminal of claim 1, wherein: be equipped with fault location module (22) and trouble power failure module (23) on distribution transformer (20), fault location module (22) and trouble power failure module (23) are connected.
7. The high protection modular electrical distribution box of claim 6, wherein: the fault positioning module (22) is combined with a panoramic sensing terminal and a terminal power grid intelligent sensing system to build, the monitoring range of distribution network equipment is expanded, the full coverage of power transformation, power distribution and user equipment monitoring is realized, the system study and judgment logic is optimized, particularly for composite faults, the cloud and mist cooperative computing function is utilized, fault equipment is comprehensively studied and judged, the fault study and judgment precision is improved, and the power failure time is reduced.
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| CN202010677893.9A CN111755969A (en) | 2020-07-15 | 2020-07-15 | High protection modularization block terminal |
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| CN112490872A (en) * | 2020-11-18 | 2021-03-12 | 江苏华讯电力工程有限公司 | Power distribution cabinet bus auxiliary protection device |
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| CN113270943A (en) * | 2021-06-03 | 2021-08-17 | 长沙理工大学 | Intelligent power distribution cabinet (box) safety monitoring and early warning method, system and device |
| CN113672944A (en) * | 2021-07-07 | 2021-11-19 | 国网福建省电力有限公司福州供电公司 | Comprehensive research, judgment, operation and maintenance system for power grid |
| CN114690769A (en) * | 2022-03-07 | 2022-07-01 | 美的集团(上海)有限公司 | Path planning method, electronic device, storage medium and computer program product |
| CN114690769B (en) * | 2022-03-07 | 2024-05-10 | 美的集团(上海)有限公司 | Path planning method, electronic device, storage medium and computer program product |
| CN117767124A (en) * | 2023-11-10 | 2024-03-26 | 江苏诺金电气科技有限公司 | High-low voltage power distribution cabinet with fireproof monitoring function |
| CN117767124B (en) * | 2023-11-10 | 2024-05-17 | 江苏诺金电气科技有限公司 | High-low voltage power distribution cabinet with fireproof monitoring function |
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