CN116742514A - Intelligent power distribution cabinet and low-voltage power distribution system - Google Patents
Intelligent power distribution cabinet and low-voltage power distribution system Download PDFInfo
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- CN116742514A CN116742514A CN202310607974.5A CN202310607974A CN116742514A CN 116742514 A CN116742514 A CN 116742514A CN 202310607974 A CN202310607974 A CN 202310607974A CN 116742514 A CN116742514 A CN 116742514A
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- cabinet
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- circuit breaker
- intelligent power
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- 238000009826 distribution Methods 0.000 title claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 13
- 230000001012 protector Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/10—Indicating electrical condition of gear; Arrangement of test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent power distribution cabinet and a low-voltage power distribution system, which belong to the technical field of intelligent power grids, wherein the intelligent power distribution cabinet comprises an incoming line cabinet and an outgoing line cabinet, a first circuit breaker is arranged in the incoming line cabinet, and a plurality of drawer units are arranged in the outgoing line cabinet at intervals; the drawer unit comprises a first connector and a fourth circuit breaker; the connector assembly of the first connector comprises a plurality of phase line connecting pieces, wherein two ends of each phase line connecting piece are respectively provided with an electricity taking end and a connecting end, and each phase line connecting piece is provided with any one of the following detecting pieces or the combination of the detecting pieces: a temperature sensor, a current transformer and a voltage detection circuit; the output end of the first circuit breaker is connected with the power taking end, and the connecting end is connected with the outgoing connector through the fourth circuit breaker. The electric energy data of the drawer unit is detected in real time through the first connector, the equipment state data is mastered in real time, the labor intensity of inspection personnel is reduced, and the safety of the low-voltage power supply system is improved.
Description
Technical Field
The invention relates to the technical field of intelligent power grids, in particular to an intelligent power distribution cabinet and a low-voltage power distribution system.
Background
In a low-voltage distribution network with a voltage level of 0.4kV, a switch cabinet/power distribution cabinet is one of main working modes of switch equipment, is a complete set of circuits mainly comprising switches, and mainly realizes functions of power distribution, control, monitoring and the like by combining a breaker, a contactor, a thermal relay, a fuse, a control relay, a master switch, a mutual inductor, various instruments and the like into the low-voltage switch cabinet. The traditional switch cabinet is provided with tens or more instruments and other disk-mounted components, so that great inconvenience is brought to production, transportation and maintenance, manual direct operation is taken as a main mode, intelligent management of a computer cannot be realized, and more complex control logic is difficult to realize.
At present, a mode of regular inspection or active reflection of fault users is mostly adopted in a low-voltage power distribution system to perform centralized monitoring and maintenance on running equipment. This not only causes work inefficiency, but also causes very big potential safety hazard for production life.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an intelligent power distribution cabinet and a low-voltage power distribution system, which are used for monitoring the power supply condition of each drawer unit in real time.
The invention discloses an intelligent power distribution cabinet which comprises an incoming cabinet and an outgoing cabinet, wherein a first circuit breaker is arranged in the incoming cabinet, and a plurality of drawer units are arranged in the outgoing cabinet at intervals; the drawer unit comprises a first connector and a fourth circuit breaker; the connector assembly of the first connector comprises a plurality of phase line connecting pieces, wherein two ends of each phase line connecting piece are respectively provided with an electricity taking end and a connecting end, and each phase line connecting piece is provided with any one of the following detecting pieces or the combination of the detecting pieces: a temperature sensor, a current transformer and a voltage detection circuit; the output end of the first circuit breaker is connected with the power taking end, and the connecting end is connected with the outgoing connector through the fourth circuit breaker. The electric energy data of the drawer unit is detected in real time through the first connector, the equipment state data is mastered in real time, the labor intensity of inspection personnel is reduced, and the safety of the low-voltage power supply system is improved.
A connecting copper bar is arranged in the phase line connecting piece, a current transformer is arranged on the connecting copper bar, and a temperature sensor is arranged on one side of the connecting copper bar; a control assembly is arranged on one side of the plug-in assembly; the control assembly comprises a main controller, and the main controller is connected with the detection piece. The first connector further comprises a detection controller, an isolation chip and an isolation auxiliary power supply, the current transformer is connected with the detection controller through a signal processing circuit, and the detection controller is connected with the main controller through the isolation chip; the temperature sensor is connected with the detection controller; the isolation auxiliary power supply is connected with the detection controller. The first connector further comprises a power management module, a communication module and a switching value module which are connected with the main controller; the communication module is provided with a communication connection terminal, and the switching value module is provided with a switching value connection terminal; one side of the connecting copper bar is provided with a power supply connecting piece, and the power supply connecting piece is connected with the power supply management module. Get electric end and be provided with and get electric piece, get electric piece and press from both sides including getting electric piece shell and getting, get electric piece shell and install the connection copper bar outside at the phase line connecting piece, get electric piece shell one end and be provided with the fixed frame, get electric clamp setting in the fixed frame, get the root of electric clamp and be connected with the connection copper bar electricity. The modularization, the safety performance and the power supply of the first connector are realized.
The wire inlet cabinet is further provided with a wiring row, a second current transformer and a control host, wherein the wiring row is connected with the second current transformer, and the second current transformer is connected with the input end of the first circuit breaker; the control host is connected with the second current transformer and is connected with the communication module of the first connector. The upper side of the intelligent power distribution cabinet is provided with a wiring channel and a weak current channel which are isolated from each other, the wiring row is arranged in the wiring channel, and weak current such as a connecting wire of the communication module and the control host is arranged in the weak current channel; the outlet cabinet is provided with an outlet installation space at the rear side of the drawer unit. The compensation cabinet is internally provided with a second circuit breaker, a reactive compensation device and a capacitor; the output end of the first circuit breaker is connected with one end of a second circuit breaker, and the other end of the second circuit breaker is respectively connected with the reactive compensation device and the capacitor; and a surge protector, a transformer, a surge backup protector and a power generation vehicle interface are also arranged in the incoming line cabinet. The control host is connected with the control ends of the first circuit breaker, the second circuit breaker and the fourth circuit breaker and the communication modules of the first connectors of the plurality of drawer units; the intelligent power distribution cabinet is internally provided with a temperature measuring host machine, a water level sensor, a water immersion sensor, a smoke detector and a temperature and humidity collector which are connected with the control host machine. The detection of various power consumption parameters such as power supply, power consumption and the like and the detection of environmental conditions are realized.
The control host is in the prior art, and a common desktop computer or an integrated computer can be adopted, but the control host is not limited to the prior art.
The invention further provides a low-voltage power distribution system adopting the intelligent power distribution cabinet.
Compared with the prior art, the invention has the beneficial effects that: the electric energy data of the drawer unit is detected in real time through the first connector, the equipment state data is mastered in real time, the labor intensity of inspection personnel is reduced, and the safety of the low-voltage power supply system is improved.
Drawings
FIG. 1 is a schematic view of a first connector;
FIG. 2 is a cross-sectional view of a first connector;
FIG. 3 is a schematic view of the structure of the connector assembly;
FIG. 4 is a logic block diagram of a first connector;
fig. 5 is a schematic structural diagram of the intelligent power distribution cabinet;
FIG. 6 is a side sectional view of the outlet cabinet;
fig. 7 is a schematic structural view of the drawer unit;
FIG. 8 is a schematic circuit diagram of an intelligent power distribution cabinet;
fig. 9 is a monitoring logic diagram of the intelligent power distribution cabinet.
The marks in the figure: the power supply comprises a first connector, a control assembly, a control shell, a communication module, a switching value module, a power supply management module, a power supply connector, a main controller, a main circuit board, a phase line detection module, a detection controller, a first current transformer, a temperature sensor, a signal processing circuit and an isolation auxiliary power supply, wherein the first connector, the control assembly, the control shell, the control module, the control shell, the communication module, the switching value module, the power supply management module, the power supply connector, the main controller, the main circuit board, the phase line detection module, the detection controller, the signal processing circuit, the auxiliary power supply and the isolation chip; 221 voltage detection circuit, 231 communication connection terminal, 232 switching value connection terminal, 233 isolation board,
the 3 plug-in component, the 31 plug-in shell, the 33 heat dissipation holes, the 32 phase line connecting piece, the 321 connecting end, the 322 electricity taking piece/electricity taking end, the 323 electricity taking piece shell, the 324 connecting copper bar, the 325 electricity taking clamp, the 326 elastic piece, the 327 fixing frame and the 328 isolating boss;
4 incoming line cabinets, 41 first circuit breakers, 42 control hosts, 43 display screens, 44 wiring channels, 45 wiring rows, 46 weak current channels, 47 second current transformers, 48 partition boards,
5 compensation cabinets, 51 second circuit breakers, 52 third current transformers, 53 reactive compensation devices, 54 first capacitor banks, 55 second capacitor banks,
6 outlet cabinet, 61 outlet installation space, 62 drawer unit, 63 fourth circuit breaker, 64 outlet connector.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
The invention is described in further detail below with reference to the attached drawing figures:
an intelligent power distribution cabinet is shown in fig. 5-8, and comprises an incoming line cabinet 4, a compensation cabinet 5 and an outgoing line cabinet 6 which are arranged at intervals, wherein a partition plate 48 is arranged between the cabinet bodies. The incoming line cabinet 5 is used for being connected with a bus, and is mainly provided with a first breaker 41 as a main switch for power supply, and a second current transformer 47 for detecting power supply current. The compensation cabinet 5 is mainly provided with a second circuit breaker 51, a third current transformer 52, a reactive compensation device 53 and a plurality of capacitors for reactive compensation. The outlet cabinet 6 is mainly provided with a plurality of drawer units 62 for providing outlet wires for the respective electricity units, and the drawer units 62 are mainly provided with a first connector 1, a fourth circuit breaker 63 and an outlet connector 64.
As shown in fig. 1-4, the first connector 1 includes a control assembly 2 and a connector assembly 3, the connector assembly 3 includes a plurality of phase line connectors 32, two ends of the phase line connectors 32 are respectively provided with a power taking end 322 and a connecting end 321, and any one of the following detecting members or a combination thereof is arranged on the phase line connectors 32: a temperature sensor 214, a current transformer 213, and a voltage detection circuit 221; the temperature sensor 214 and the current transformer 213 constitute a phase line detection module 211. The output end of the first circuit breaker 41 is connected to the power take-off end 322, and the connection end 321 is connected to the outlet connector 64 through the fourth circuit breaker 63.
The electric energy data of the drawer unit is detected in real time through the first connector, the equipment state data is mastered in real time, the labor intensity of inspection personnel is reduced, and the safety of the low-voltage power supply system is improved.
Specifically, as shown in fig. 3, a connection copper bar 324 is disposed in the phase wire connector 32, the current transformer 213 is disposed on the connection copper bar 324, and the temperature sensor 214 is mounted on one side of the connection copper bar 324. A voltage detection circuit 221 is connected to the phase line connection for detecting a supply voltage. Fig. 4 also shows the control assembly 2, the control assembly 2 having a control housing 21, a main controller 26 within the control housing 21 being connected to the phase line detection module 211 and the voltage detection circuit 221.
The phase line detection module 211 further comprises a detection controller 212, an isolation chip 219 and an isolation auxiliary power supply 216, the current transformer 213 is connected with the detection controller 212 through a signal processing circuit 215, and the detection controller 212 is connected with the main controller 26 through the isolation chip 219; the temperature sensor 214 is connected to the detection controller 212. An isolated auxiliary power supply 216 is connected to the detection controller 212 for supplying power.
The control assembly 2 further comprises a power management module 24, a communication module 22 and a switching value module 23 which are connected with the main controller 26; the communication module 22 is provided with a communication connection terminal 231, and the switching value module 23 is provided with a switching value connection terminal 232; a power connector 25 is arranged on one side of the connecting copper bar 324, and the power connector 25 is connected with the power management module 24 and used for leading out power. The communication module 22 may include an RS485 module or a wireless module, and is configured to connect with an upper computer. Specifically, the main controller 26 and the detection controller 212 are provided on the main circuit board 27 within the control assembly 2.
Fig. 1-3 illustrate the construction of a smart connector. Get electric end and be provided with get electric piece 322, get electric piece 322 and press from both sides 325 including getting electric piece shell 323 and getting, get electric piece shell 323 and install in the connection copper bar 324 outside, get electric piece shell 323 one end and be provided with fixed frame 327, get electric clamp 325 and set up in fixed frame 327, get the root of electric clamp 325 and be connected with the connection copper bar 324 electricity. The fixed frame 327 is provided with a spring plate 326 matched with the power taking clamp 325.
In a specific embodiment, the heat dissipation holes 33 of the connector assembly 3/connector housing 31 are near the root of the power clip 325. Three phase wire connectors 32 are shown in fig. 1 isolated from one another for connecting three-phase electricity, but are not limited thereto. A separation plate 233 is arranged between adjacent connection ends, and a separation boss 328 of a power taking clamp 325 is arranged at one end of the power taking piece housing 323. The upper end face of the control component can be provided with a digital display meter.
In a specific application, the power taking end of the intelligent connector is connected with a main circuit, and the connecting end of the intelligent connector is connected with a drawer cabinet unit and is used for supplying power to a drawer frame, and meanwhile, the detection of three-phase electric energy parameters is completed: current, voltage, junction temperature, power factor, active, reactive, apparent power, etc.; the relevant data is collected, calculated and analyzed by the main controller 26; and the system is communicated with an upper computer/client in a wireless or RS485 mode, so that the functions of real-time monitoring and early warning are realized. Wherein, the main technical parameters of the intelligent connector are shown in table 1.
TABLE 1
The incoming line cabinet 4 is also provided with a wiring row 45 and a control host 42, the wiring row 45 is connected with a second current transformer 47, and the second current transformer 47 is connected with the input end of the first circuit breaker 41; the control host 42 is connected to the second current transformer 47 and the communication module 22 of the first connector 1, respectively. The control host 42 may be provided with a touch display screen 43 at the front end of the incoming cabinet. The upper side of the intelligent power distribution cabinet is provided with a wiring channel 44 and a weak current channel 46 which are isolated, and a wiring row 45 is arranged in the wiring channel 44; weak electric wires such as connection wires of the communication module and the control host 42 are arranged in the weak electric path. The incoming line cabinet 4 can be internally provided with a surge protector, a transformer, a surge backup protector and a power generation vehicle interface.
As shown in fig. 6, the outlet cabinet 6 is provided with an outlet installation space 61 at the rear side of the drawer unit 62, improving the wiring convenience of the power supply unit. Wherein, intelligent power distribution cabinet's upside can be provided with the shrouding for seal out the line machinery, the shrouding upside can be provided with ventilation window, air cleaner and fan, is used for the interior air cycle of intelligent power distribution cabinet.
The output end of the first circuit breaker 41 is connected to one end of a second circuit breaker 51 in the compensation cabinet 5, and the other end of the second circuit breaker 51 is connected to a reactive compensation device 53 and a capacitor, respectively. The compensation cabinet 5 is internally provided with a first capacitor bank 54 and a second capacitor bank 55, wherein 3 capacitors in the first capacitor bank 54 are connected in series, and the second capacitor bank 55 comprises 3 capacitors connected in parallel.
Fig. 9 shows the monitoring logic of the intelligent power distribution cabinet of the present invention. The control main unit 26 is connected to the control terminals or auxiliary contacts of the first circuit breaker 41, the second circuit breaker 51 and the fourth circuit breaker 63, and to the communication modules 22 of the first connectors 1 of the plurality of drawer units 62. The intelligent power distribution cabinet can be internally provided with a temperature measuring host machine, a water level sensor, a water immersion sensor, a smoke detector and a temperature and humidity collector which are connected with the control host machine 26, and the intelligent power distribution cabinet is used for grasping the environmental state of equipment in real time.
The invention further provides a low-voltage power distribution system applying the intelligent power distribution cabinet.
In a specific embodiment, the present invention may implement intelligent management of a power distribution network on the one hand: collecting electric energy data of each item and each node in real time, and accurately grasping electricity utilization conditions through cloud storage analysis; the equipment state data is mastered in real time, and the cloud storage analysis is performed to accurately master the equipment change trend; grasping the equipment environment state in real time, and remotely guiding auxiliary equipment to start up and guarantee the equipment environment; comprehensively analyzing the information collected by the clients, providing a periodic diagnosis report, and guiding optimization improvement measures. On the other hand, the reliability of the equipment is improved: the management platform of the intelligent power distribution cabinet ensures information safety and service stability and is beneficial to data fusion; setting variable threshold values for operation key indexes of various equipment, and ensuring high reliability by early warning management; the remote control function and the local remote control function are provided, and the operation safety and the management efficiency are greatly improved; remote and local data double-sending and double-system operation, and application classification ensures management reliability. In yet another aspect, modularization of the power distribution system is achieved through a magnetically conductive multifunctional acquisition plug-in; the field device and element state data are integrated into the numerical control touch screen, so that the man-machine interaction function is improved; the secondary wiring is greatly simplified, the production efficiency is improved, and the site standardized operation is improved; the data judgment replaces experience judgment, the remote research judgment replaces on-site management, and the management mode is innovated.
The real-time working state, the electric quantity and the environment quantity of each loop unit can be mastered by only carrying out simple operation on the display screen 43 of the incoming line cabinet 4, and the switching-on and switching-off operation of each loop switch is realized; the method comprises the steps of monitoring the running state of a switch, protecting the switching value of the action and the like in real time, displaying and automatically alarming in real time, and monitoring the state of the switch, accident tripping, overcurrent, quick-break, temperature and other actions in each cabinet in real time; meanwhile, the integrated monitoring, big data analysis and active operation and maintenance of the power distribution cabinet can be realized through remote control.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent power distribution cabinet is characterized by comprising an incoming line cabinet and an outgoing line cabinet,
a first circuit breaker is arranged in the incoming line cabinet, and a plurality of drawer units are arranged in the outgoing line cabinet at intervals;
the drawer unit comprises a first connector and a fourth circuit breaker;
the connector assembly of the first connector comprises two or more phase line connecting pieces, two ends of each phase line connecting piece are respectively provided with an electricity taking end and a connecting end, and each phase line connecting piece is provided with any one of the following detecting pieces or a combination of the detecting pieces: a temperature sensor, a current transformer and a voltage detection circuit;
the output end of the first circuit breaker is connected with the power taking end, and the connecting end is connected with the outgoing connector through the fourth circuit breaker.
2. The intelligent power distribution cabinet according to claim 1, wherein a connecting copper bar is arranged in the phase line connecting piece, a current transformer is arranged on the connecting copper bar, and a temperature sensor is arranged on one side of the connecting copper bar;
a control assembly is arranged on one side of the plug-in assembly;
the control assembly comprises a main controller, and the main controller is connected with the detection piece.
3. The intelligent power distribution cabinet of claim 2, wherein the first connector further comprises a detection controller, an isolation chip, and an isolated auxiliary power source,
the current transformer is connected with the detection controller through the signal processing circuit, and the detection controller is connected with the main controller through the isolation chip; the temperature sensor is connected with the detection controller; the isolation auxiliary power supply is connected with the detection controller.
4. The intelligent power distribution cabinet of claim 3, wherein the first connector further comprises a power management module, a communication module, and a switching value module connected to the main controller;
the communication module is provided with a communication connection terminal, and the switching value module is provided with a switching value connection terminal;
one side of the connecting copper bar is provided with a power supply connecting piece, and the power supply connecting piece is connected with the power supply management module.
5. The intelligent power distribution cabinet according to claim 1, wherein the power taking end is provided with a power taking piece,
the electricity taking piece comprises an electricity taking piece shell and an electricity taking clamp, the electricity taking piece shell is arranged at the outer side of the copper bar connected with the phase line connecting piece,
one end of the electricity taking piece shell is provided with a fixed frame, the electricity taking clamp is arranged in the fixed frame,
the root of the electricity taking clamp is electrically connected with the connecting copper bar.
6. The intelligent power distribution cabinet according to claim 1, wherein the incoming line cabinet is further provided with a wiring block, a second current transformer and a control host,
the wiring row is connected with a second current transformer, and the second current transformer is connected with the input end of the first circuit breaker;
the control host is connected with the second current transformer and is connected with the communication module of the first connector.
7. The intelligent power distribution cabinet according to claim 6, wherein a wiring channel and a weak current channel which are isolated are arranged on the upper side of the intelligent power distribution cabinet, and the wiring row is arranged in the wiring channel;
the connecting wire of the communication module and the control host is arranged in the weak current channel;
the outlet cabinet is provided with an outlet installation space at the rear side of the drawer unit.
8. The intelligent power distribution cabinet according to claim 6, further comprising a compensation cabinet, wherein a second circuit breaker, a reactive compensation device and a capacitor are arranged in the compensation cabinet;
the output end of the first circuit breaker is connected with one end of a second circuit breaker, and the other end of the second circuit breaker is respectively connected with the reactive compensation device and the capacitor;
and a surge protector, a transformer, a surge backup protector and a power generation vehicle interface are also arranged in the incoming line cabinet.
9. The intelligent power distribution cabinet of claim 8, wherein the control host is connected to the control ends of the first, second, and fourth circuit breakers and to the communication modules of the first connectors of the plurality of drawer units;
the intelligent power distribution cabinet is internally provided with a temperature measuring host machine, a water level sensor, a water immersion sensor, a smoke detector and a temperature and humidity collector which are connected with the control host machine.
10. A power distribution system employing an intelligent power distribution cabinet according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607974.5A CN116742514A (en) | 2023-05-26 | 2023-05-26 | Intelligent power distribution cabinet and low-voltage power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607974.5A CN116742514A (en) | 2023-05-26 | 2023-05-26 | Intelligent power distribution cabinet and low-voltage power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116742514A true CN116742514A (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310607974.5A Pending CN116742514A (en) | 2023-05-26 | 2023-05-26 | Intelligent power distribution cabinet and low-voltage power distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117650440A (en) * | 2024-01-29 | 2024-03-05 | 浙江万泰电力科技有限公司 | Drawer type control cabinet capable of remotely controlling switch |
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2023
- 2023-05-26 CN CN202310607974.5A patent/CN116742514A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117650440A (en) * | 2024-01-29 | 2024-03-05 | 浙江万泰电力科技有限公司 | Drawer type control cabinet capable of remotely controlling switch |
| CN117650440B (en) * | 2024-01-29 | 2024-04-16 | 浙江万泰电力科技有限公司 | Drawer type control cabinet capable of remotely controlling switch |
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