CN117477789A - Subway communication matrix type power supply monitoring system and method - Google Patents
Subway communication matrix type power supply monitoring system and method Download PDFInfo
- Publication number
- CN117477789A CN117477789A CN202311495055.XA CN202311495055A CN117477789A CN 117477789 A CN117477789 A CN 117477789A CN 202311495055 A CN202311495055 A CN 202311495055A CN 117477789 A CN117477789 A CN 117477789A
- Authority
- CN
- China
- Prior art keywords
- equipment
- power supply
- real
- monitoring
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 96
- 238000004891 communication Methods 0.000 title claims abstract description 43
- 239000011159 matrix material Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 16
- 230000004044 response Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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]
-
- 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
Abstract
The invention discloses a subway communication matrix type power supply monitoring system and a method, wherein power supply management and real-time running state monitoring are carried out on all functional subsystems or equipment in subway stations through intelligent PDU modules distributed in all cabinets of all subway stations, and real-time monitoring data of all functional subsystems or equipment are obtained; uploading the real-time monitoring data to a control center; and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails. Each cabinet of the communication system adopts intelligent PDU to monitor each functional subsystem or equipment, and the control center is used for uniformly monitoring each system or equipment, so that the fault point is accurately positioned, and the response is timely, thereby greatly facilitating operation and maintenance, effectively reducing operation and maintenance cost and reducing the influence caused by power failure.
Description
Technical Field
The invention relates to the technical field of subway communication system power supply monitoring, in particular to a subway communication matrix type power supply monitoring system and a method.
Background
The subway communication system is used as a network platform for subway operation scheduling, enterprise management, passenger service, public security and emergency command, and is a nervous system for the normal operation of a subway. Subway communication experiences data network to optical transmission network, from 5G to cloud storage application, subway communication system application and innovation are always at the forefront of science and technology. The traditional subway communication system power supply has the following defects:
(1) The equipment of the communication system is huge, equipment cabinets and equipment in the weak current comprehensive machine room are numerous, the power supply requirement of the equipment in the machine room is high, such as power failure of equipment power supply, and multiple systems including operation production, enterprise management, passenger service and the like are paralyzed, so that the power supply wiring and debugging of the communication system are important points of field control. The power supply of the general subway line adopts a power supply empty box or a common PDU, if failure feedback information is not timely, failure processing is correspondingly delayed. The system equipment and the equipment cabinets which need to be checked after power failure are more, the fault points are difficult to find, and the operation and maintenance are affected;
(2) In the traditional power supply monitoring mode, on-duty personnel cannot monitor each point on site in real time, and if an alarm fault occurs, maintenance personnel need to check one by one cabinet, the maintenance time is long, if power-off equipment affects important systems such as operation or management, failure points cannot be found in time, and bad influence can be caused on subway operation and enterprise image.
Disclosure of Invention
Therefore, the invention provides a subway communication matrix type power supply monitoring system and a method thereof, which are used for solving the problems of untimely fault feedback information, fault processing hysteresis, difficult fault investigation, large operation and maintenance workload and high cost in the power supply monitoring of the existing subway communication system.
In order to achieve the above object, the present invention provides the following technical solutions:
according to a first aspect of an embodiment of the present invention, there is provided a subway communication matrix power supply monitoring system, the system including a power supply monitoring unit, a transmission unit, and a control center unit disposed at each subway station;
the power supply monitoring unit comprises intelligent PDU modules which are arranged in all cabinets of the subway station, and the intelligent PDU modules are used for carrying out power supply management and real-time running state monitoring on all functional subsystems or equipment in the subway station to acquire real-time monitoring data of all the functional subsystems or equipment;
the transmission unit is used for connecting each intelligent PDU module and uploading real-time monitoring data of each functional subsystem or device to the control center unit;
the control center unit is used for displaying the real-time running state of each functional subsystem or equipment in real time according to the acquired real-time monitoring data, so that unified power supply monitoring of each functional subsystem or equipment is realized, and when the power supply of each functional subsystem or equipment fails, the failure point is displayed in real time and alarm information is generated.
Further, the intelligent PDU module comprises a main intelligent PDU and a standby intelligent PDU;
when one of the main and standby intelligent PDUs fails, the intelligent PDU is immediately switched to the other intelligent PDU without failure to supply power.
Further, the intelligent PDU also comprises indicator lamps arranged at the left side and the right side;
when the intelligent PDU is not in a power transmission state, the indicator lamps at the left and right sides of the PDU are not lighted;
when the UPS power supplies power to the intelligent PDU and the lower end is not connected with a load, the right power supply indicator lamp is on;
when equipment wiring is completed and equipment is powered on, the left power supply indicator lamp and the right power supply indicator lamp are both in a lighting state, if a fault occurs, the right indicator lamp is turned off or is abnormally displayed, and fault elimination is achieved through fault detection.
Further, the transmission unit comprises data collectors arranged at all subway stations, and the data collectors upload data monitored in real time by the intelligent PDU modules in all cabinets of the subway stations to the control center unit.
Further, the functional subsystem or the equipment comprises an office network system, a passenger information system, a public service telephone, a special telephone, a wireless system, a clock and recording equipment and a centralized alarm equipment.
Further, the control center unit is further configured to:
and generating a telemechanical control signal, sending the telemechanical control signal to an intelligent PDU (protocol data unit) connected with the fault point, and carrying out telemechanical control on power supply of the fault point through the intelligent PDU.
Further, the intelligent PDUs are longitudinally arranged in the cabinet, and after the equipment power ports are outgoing, the intelligent PDUs are connected to corresponding ports of the PDU inserts and the power strips on the left side and the right side of the cabinet.
According to a first aspect of an embodiment of the present invention, there is provided a subway communication matrix power supply monitoring method, including:
the power supply management and the real-time running state monitoring are carried out on all the functional subsystems or equipment in the subway stations through intelligent PDU modules arranged in all the cabinets of all the subway stations, and real-time monitoring data of all the functional subsystems or equipment are obtained;
uploading the real-time monitoring data to a control center;
and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails.
The invention has the following advantages:
the invention provides a subway communication matrix type power supply monitoring system and a method, wherein power supply management and real-time running state monitoring are carried out on all functional subsystems or equipment in subway stations through intelligent PDU modules distributed in all cabinets of all subway stations, and real-time monitoring data of all functional subsystems or equipment are obtained; uploading the real-time monitoring data to a control center; and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails. Each cabinet of the communication system adopts intelligent PDU to monitor each functional subsystem or equipment, and the control center is used for uniformly monitoring each system or equipment, so that the fault point is accurately positioned, and the response is timely, thereby greatly facilitating operation and maintenance, effectively reducing operation and maintenance cost and reducing the influence caused by power failure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a schematic diagram of a first structure of a subway communication matrix power monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second structure of a subway communication matrix power monitoring system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an operating principle of a subway communication matrix power monitoring system according to an embodiment of the present invention;
fig. 4 is a working flow chart of a subway communication matrix power monitoring system provided by an embodiment of the invention.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the above technical problems, as shown in fig. 1 and fig. 2, an embodiment of the present application provides a subway communication matrix power monitoring system, which specifically includes a power monitoring unit, a transmission unit and a control center unit, which are disposed at each subway station;
the power supply monitoring unit comprises intelligent PDU modules which are arranged in all cabinets of the subway station, and the intelligent PDU modules are used for carrying out power supply management and real-time running state monitoring on all functional subsystems or equipment in the subway station to acquire real-time monitoring data of all the functional subsystems or equipment;
the transmission unit is used for connecting each intelligent PDU module and uploading the real-time monitoring data of each functional subsystem or device to the control center unit;
the control center unit is used for displaying the real-time running state of each functional subsystem or equipment in real time according to the acquired real-time monitoring data, so that unified power supply monitoring of each functional subsystem or equipment is realized, and when the power supply of each functional subsystem or equipment fails, the failure point is displayed in real time and alarm information is generated.
As shown in fig. 3, in the present invention, each cabinet of the communication system adopts an intelligent PDU, each point on the PDU can be monitored, each PDU data is converged in the transmission switch through the network cable, the switch combines the power monitoring data in each system cabinet into a matrix power model, and the matrix power model is connected to the network management room, and each system and each device in the machine room are monitored in real time from the central through-number network management room and the device end.
In this embodiment, the intelligent PDU module includes a main intelligent PDU and a standby intelligent PDU; when one of the main and standby intelligent PDUs fails, the intelligent PDU is immediately switched to the other intelligent PDU without failure to supply power.
Each system cabinet is provided with a main PDU and a standby PDU, and is connected to a power monitoring system switch through a network cable, so that each port on the intelligent PDU can be monitored. The power supply monitoring is carried out in a central communication network management room, the position is at the side of a communication equipment room of the communication center, the network management room is on duty for 24 hours, such as which way of port has power failure, which failure cabinet can be displayed through a matrix network, the intelligent PDU can be specific to the failure port point, the power failure information is fed back in time, and the power supply can be accurately switched to the other way for power supply no matter whether the main or standby failure occurs. The fault point is accurately positioned, and the response is timely, so that the operation and maintenance are greatly facilitated.
As shown in fig. 4, the novel matrix power supply monitoring uses network data, and the power supplies of the systems such as passenger information, public service telephones, special wireless, special telephone, OA network and the like are monitored in real time and uniformly in a communication network management room. The network data are gathered in the communication network management room of the control center, and the running states of the cabinets and the equipment power supply of each system are displayed. And displaying and feeding back alarm information on the control center network management terminal and the monitoring screen in real time. And the matrix module outputs images on the monitoring screen, and intuitively reflects the specific position of the fault in real time, namely which cabinet is specific to which PDU (main path or standby path) and which equipment power supply has the fault. The operation maintainer can respond and process in time, and can conveniently find out the fault point in the communication machine room according to the control center network management display information and process in time. The operation and maintenance cost is reduced, and the economic or operation influence caused by power failure is reduced. In the later maintenance stage, all cabinets and equipment are divided according to functional purposes, visual representation is realized on a network management platform, the field problems are corresponding, the processing is more accurate and quicker, and the maintenance cost is saved.
In this embodiment, the station intelligent PDU may display the power supply status. The intelligent PDU also comprises indicator lamps arranged on the left side and the right side; when the intelligent PDU is not in a power transmission state, the indicator lamps at the left and right sides of the PDU are not lighted; when the UPS power supplies power to the intelligent PDU and the lower end is not connected with a load, the right power supply indicator lamp is on; when equipment wiring is completed and equipment is powered on, the left power supply indicator lamp and the right power supply indicator lamp are both in a lighting state, if a fault occurs, the right indicator lamp is turned off or is abnormally displayed, and fault elimination is achieved through fault detection.
In this embodiment, the transmission unit includes a data collector disposed at each subway station, and the data collector uploads the data monitored in real time by the intelligent PDU module in each cabinet of the subway station to the control center unit.
In this embodiment, the functional subsystem or device includes an office network system, a passenger information system, a public service telephone, a private telephone, a wireless system, a clock and recording device, a centralized alarm device, and the like.
In this embodiment, the control center unit is further configured to generate a remote control signal, send the remote control signal to an intelligent PDU connected to the fault point, and perform remote control on power supply to the fault point through the intelligent PDU.
The intelligent PDU has a telemechanical control function, such as power failure and other problems caused by excessive equipment power, equipment power supply at a fault point can be telemechanically controlled through a power matrix, and a real-time response processing mechanism is achieved by performing processing such as closing or restarting on the power supply of the fault equipment. The function can also immediately process special conditions such as dead halt of station equipment or off-line, and the like, and the problem of dead halt of equipment or software is solved in time through restarting the equipment, so that the function is a development trend of later-stage power supply monitoring.
In the embodiment, the intelligent PDU is longitudinally distributed in the cabinet, the equipment power ports are connected to corresponding ports of the PDU power strip on the left side and the right side of the cabinet after outgoing lines, wiring construction is convenient, and construction time is saved. Compared with the traditional subway power supply open construction, the method is simple and convenient, the open box is required to cut the power line to manufacture the connecting terminal, the connecting terminal is connected to the power supply open lower port, uniform wiring is required to be led into the open box, a higher construction process is required, and the construction time is wasted.
Compared with the prior art, the subway communication matrix type power supply monitoring system provided by the embodiment of the application performs power supply management and real-time running state monitoring on each functional subsystem or equipment in the subway station through the intelligent PDU modules distributed in each cabinet of each subway station, and acquires real-time monitoring data of each functional subsystem or equipment; uploading the real-time monitoring data to a control center; and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails. Each cabinet of the communication system adopts intelligent PDU to monitor each functional subsystem or equipment, and the control center is used for uniformly monitoring each system or equipment, so that the fault point is accurately positioned, and the response is timely, thereby greatly facilitating operation and maintenance, effectively reducing operation and maintenance cost and reducing the influence caused by power failure.
Corresponding to the subway communication matrix type power supply monitoring system disclosed by the invention, the embodiment of the invention also discloses a subway communication matrix type power supply monitoring method, which specifically comprises the following steps:
the power supply management and the real-time running state monitoring are carried out on all the functional subsystems or equipment in the subway stations through intelligent PDU modules arranged in all the cabinets of all the subway stations, and real-time monitoring data of all the functional subsystems or equipment are obtained;
uploading the real-time monitoring data to a control center;
and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails.
Compared with the prior art, the subway communication matrix type power supply monitoring method provided by the embodiment of the application has the advantages that through the intelligent PDU modules distributed in the cabinets of the subway stations, power supply management and real-time running state monitoring are carried out on the functional subsystems or equipment in the subway stations, and real-time monitoring data of the functional subsystems or equipment are obtained; uploading the real-time monitoring data to a control center; and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails. Each cabinet of the communication system adopts intelligent PDU to monitor each functional subsystem or equipment, and the control center is used for uniformly monitoring each system or equipment, so that the fault point is accurately positioned, and the response is timely, thereby greatly facilitating operation and maintenance, effectively reducing operation and maintenance cost and reducing the influence caused by power failure.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (8)
1. The subway communication matrix type power supply monitoring system is characterized by comprising power supply monitoring units, transmission units and a control center unit, wherein the power supply monitoring units, the transmission units and the control center unit are arranged at all subway stations;
the power supply monitoring unit comprises intelligent PDU modules which are arranged in all cabinets of the subway station, and the intelligent PDU modules are used for carrying out power supply management and real-time running state monitoring on all functional subsystems or equipment in the subway station to acquire real-time monitoring data of all the functional subsystems or equipment;
the transmission unit is used for connecting each intelligent PDU module and uploading real-time monitoring data of each functional subsystem or device to the control center unit;
the control center unit is used for displaying the real-time running state of each functional subsystem or equipment in real time according to the acquired real-time monitoring data, so that unified power supply monitoring of each functional subsystem or equipment is realized, and when the power supply of each functional subsystem or equipment fails, the failure point is displayed in real time and alarm information is generated.
2. The subway communication matrix power monitoring system according to claim 1, wherein the intelligent PDU module comprises a main intelligent PDU and a standby intelligent PDU;
when one of the main and standby intelligent PDUs fails, the intelligent PDU is immediately switched to the other intelligent PDU without failure to supply power.
3. The subway communication matrix power monitoring system according to claim 1, wherein the intelligent PDU further comprises indicator lights arranged on the left and right sides;
when the intelligent PDU is not in a power transmission state, the indicator lamps at the left and right sides of the PDU are not lighted;
when the UPS power supplies power to the intelligent PDU and the lower end is not connected with a load, the right power supply indicator lamp is on;
when equipment wiring is completed and equipment is powered on, the left power supply indicator lamp and the right power supply indicator lamp are both in a lighting state, if a fault occurs, the right indicator lamp is turned off or is abnormally displayed, and fault elimination is achieved through fault detection.
4. The subway communication matrix power monitoring system according to claim 1, wherein the transmission unit comprises a data collector arranged at each subway station, and the data collector is used for uploading the data monitored in real time by the intelligent PDU module in each cabinet of the subway station to the control center unit.
5. The subway communication matrix power monitoring system of claim 1, wherein the functional subsystem or device comprises an office network system, a passenger information system, a business telephone, a private telephone, a wireless system, a clock and recording device, and a centralized alarm device.
6. The subway communication matrix power monitoring system of claim 1, wherein the control center unit is further configured to:
and generating a telemechanical control signal, sending the telemechanical control signal to an intelligent PDU (protocol data unit) connected with the fault point, and carrying out telemechanical control on power supply of the fault point through the intelligent PDU.
7. The metro communication matrix power monitoring system of claim 1, wherein the intelligent PDUs are arranged longitudinally in the cabinet, and the power ports of the equipment are connected to the corresponding ports of the PDU power strip on the left and right sides of the cabinet after the power ports of the equipment are out.
8. A method for monitoring a subway communication matrix power supply, the method comprising:
the power supply management and the real-time running state monitoring are carried out on all the functional subsystems or equipment in the subway stations through intelligent PDU modules arranged in all the cabinets of all the subway stations, and real-time monitoring data of all the functional subsystems or equipment are obtained;
uploading the real-time monitoring data to a control center;
and displaying the real-time running state of each functional subsystem or equipment in real time by the control center according to the acquired real-time monitoring data, realizing unified power supply monitoring of each functional subsystem or equipment, displaying fault points in real time and generating alarm information when the power supply of each functional subsystem or equipment fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311495055.XA CN117477789A (en) | 2023-11-10 | 2023-11-10 | Subway communication matrix type power supply monitoring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311495055.XA CN117477789A (en) | 2023-11-10 | 2023-11-10 | Subway communication matrix type power supply monitoring system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117477789A true CN117477789A (en) | 2024-01-30 |
Family
ID=89627236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311495055.XA Pending CN117477789A (en) | 2023-11-10 | 2023-11-10 | Subway communication matrix type power supply monitoring system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117477789A (en) |
-
2023
- 2023-11-10 CN CN202311495055.XA patent/CN117477789A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104618501A (en) | Wireless monitoring management device of server cluster system | |
| CN108390763A (en) | PoE interchangers, internet protocol camera system and its automatic testing method | |
| CN210578917U (en) | Video monitoring front-end intelligent operation and maintenance box | |
| US20030109965A1 (en) | Distributed power delivery system | |
| CN201044859Y (en) | Fire-fighting network information transmission equipment | |
| CN114139742A (en) | Power distribution network management and control system and management and control method | |
| CN110061318A (en) | A kind of accumulator tank and its control method | |
| CN207652463U (en) | A kind of equipment centralized control system | |
| CN205983124U (en) | Comprehensive supervision system | |
| CN113176982A (en) | Device and method for realizing VPX architecture-based chassis management system | |
| CN101995931B (en) | Method and system for monitoring operating condition of power supply | |
| CN112217288A (en) | Power distribution system based on Internet of things and control method thereof | |
| CN117477789A (en) | Subway communication matrix type power supply monitoring system and method | |
| CN213122663U (en) | Intelligent traffic monitoring control terminal system | |
| CN201821164U (en) | Automatic intelligent terminal device for distribution network | |
| CN211405606U (en) | Restarting device of power distribution terminal | |
| CN207884645U (en) | PoE interchangers and internet protocol camera system | |
| CN111951579A (en) | Traffic operation and maintenance monitoring system and equipment based on edge calculation | |
| CN211908477U (en) | Circuit monitoring device with monitoring and scheduling management functions | |
| CN216901360U (en) | Intelligent home management system | |
| CN110708184A (en) | Intelligent power grid digital distribution | |
| CN218276197U (en) | Power-conserving user monitoring quick response system | |
| CN210168052U (en) | Intelligent management platform for communication network | |
| CN108303956A (en) | Power network schedule automation centralized monitoring system on duty | |
| CN214751514U (en) | Equipment operation and maintenance management system based on power supply enterprise team |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |