CN205543934U - Intelligence low voltage switchgear based on PLC control - Google Patents
Intelligence low voltage switchgear based on PLC control Download PDFInfo
- Publication number
- CN205543934U CN205543934U CN201620189446.8U CN201620189446U CN205543934U CN 205543934 U CN205543934 U CN 205543934U CN 201620189446 U CN201620189446 U CN 201620189446U CN 205543934 U CN205543934 U CN 205543934U
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- CN
- China
- Prior art keywords
- intelligent
- cabinet
- circuit
- motor
- line cabinet
- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
Abstract
The utility model provides an intelligence low voltage switchgear based on PLC control, relates to power equipment technical field, and that solve is the technical problem who improves operational reliability. This equipment includes host computer, PLC controlling means, inlet wire cabinet, the first cabinet of being qualified for the next round of competitions, the second cabinet of being qualified for the next round of competitions, the inlet wire cabinet is equipped with inlet wire return circuit, intelligent circuit breaker, intelligent multi -functional table, the first cabinet of being qualified for the next round of competitions is equipped with circuit breaker, intelligent three phase current table, the second is qualified for the next round of competitions the cabinet and is equipped with drawer motor protector motor circuit, fixed converter motor circuit and a plurality of drawer feeding circuit, and the drawer feeding circuit is equipped with intelligent single -phase current table, the host computer passes through the ethernet interconnection with PLC controlling means, intelligence circuit breaker, intelligent multi -functional table, intelligent three phase current table, intelligent single -phase current table, motor protector, converter all are connected to PLC controlling means through the RS485 communications cable. The utility model provides an equipment, operational reliability is high.
Description
Technical field
This utility model relates to power equipment technology, particularly relates to the technology of a kind of intelligent low-pressure switchgear assembly controlled based on PLC.
Background technology
The major function of low-voltage distribution cabinet is distribution electric energy and controls electric energy use, along with improving constantly of people's living standard, power supply quality it is also proposed higher requirement.And the quality of low-voltage distribution cabinet various aspects of performance directly affects the power supply quality of whole electrical network, existing low-voltage distribution cabinet is required for human at periodic intervals and carries out repair and maintenance, to ensure the power supply quality of low-voltage distribution cabinet, when power distribution cabinet generation power failure, tend not to overhaul in time, thus having influence on the operation of power distribution cabinet, the most existing low-voltage distribution cabinet also exists the defect that operational reliability is low.
Utility model content
For defect present in above-mentioned prior art, technical problem to be solved in the utility model is to provide the intelligent low-pressure switchgear assembly controlled based on PLC that a kind of operational reliability is high.
In order to solve above-mentioned technical problem, a kind of intelligent low-pressure switchgear assembly controlled based on PLC provided by the utility model, control device, incoming line cabinet, the first outgoing line cabinet, the second outgoing line cabinet including host computer, PLC；
Described incoming line cabinet is provided with wire inlet loop, and for controlling the intelligent breaker of wire inlet loop break-make, for monitoring the intelligent multifunctional table of incoming line cabinet operating mode；
Described first outgoing line cabinet is provided with two transmission line circuits, and each transmission line circuit is designed with the chopper for controlling this transmission line circuit break-make, and for monitoring the intelligent three-phase electric current table of this transmission line circuit three-phase current；
Described second outgoing line cabinet is provided with drawer motor protector electric motor loop, fixed frequency-variable device electric motor loop; and multiple drawer feeding circuit; described drawer motor protector electric motor loop is provided with the motor protector for motor circuit protection; being provided with the converter for controlling motor operating frequency in described fixed frequency-variable device electric motor loop, each drawer feeding circuit is designed with the Intelligent single-phase ammeter for monitoring this drawer feeding circuit monophase current；
Described host computer and PLC are controlled device and are interconnected by Ethernet, and described intelligent breaker, intelligent multifunctional table, intelligent three-phase electric current table, Intelligent single-phase ammeter, motor protector, converter are all connected to PLC by the RS485 communications cable and control device.
The intelligent low-pressure switchgear assembly controlled based on PLC that this utility model provides, intelligent device is have employed in incoming line cabinet and outgoing line cabinet, and Based Intelligent Control, EPA and field bus technique are combined with conventional electrical distribution cabinet technology, there is remote measurement, remote control, remote regulating and remote signaling function, it is achieved thereby that the intelligentized control method of distribution, improve the reliability of equipment dramatically.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent low-pressure switchgear assembly controlled based on PLC of this utility model embodiment.
Detailed description of the invention
Illustrate embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing; but the present embodiment is not limited to this utility model; every employing analog structure of the present utility model and similar change thereof; all should list protection domain of the present utility model in, the pause mark in this utility model all represents the relation of sum.
As it is shown in figure 1, a kind of intelligent low-pressure switchgear assembly controlled based on PLC that this utility model embodiment is provided, control device, incoming line cabinet, the first outgoing line cabinet, the second outgoing line cabinet including host computer, PLC；
Described incoming line cabinet is provided with wire inlet loop, and for controlling the intelligent breaker of wire inlet loop break-make, for monitoring the intelligent multifunctional table of incoming line cabinet operating mode；
Described first outgoing line cabinet is provided with two transmission line circuits, and each transmission line circuit is designed with the chopper for controlling this transmission line circuit break-make, and for monitoring the intelligent three-phase electric current table of this transmission line circuit three-phase current；
Described second outgoing line cabinet is provided with drawer motor protector electric motor loop, fixed frequency-variable device electric motor loop; and multiple drawer feeding circuit; described drawer motor protector electric motor loop is provided with the motor protector for motor circuit protection; being provided with the converter for controlling motor operating frequency in described fixed frequency-variable device electric motor loop, each drawer feeding circuit is designed with the Intelligent single-phase ammeter for monitoring this drawer feeding circuit monophase current；
Described host computer and PLC are controlled device and are interconnected by Ethernet, and described intelligent breaker, intelligent multifunctional table, intelligent three-phase electric current table, Intelligent single-phase ammeter, motor protector, converter are all connected to PLC by the RS485 communications cable and control device.
In this utility model embodiment; the wire inlet loop of described incoming line cabinet, the transmission line circuit of the first outgoing line cabinet, the drawer motor protector electric motor loop of the second outgoing line cabinet, fixed frequency-variable device electric motor loop, drawer feeding circuit, and intelligent breaker, intelligent multifunctional table, intelligent three-phase electric current table, motor protector, converter, Intelligent single-phase ammeter be prior art；Drawer motor protector electric motor loop is a kind of distribution loop loaded as motor, and motor protector is used to protect a kind of equipment of motor circuit, has communication interface, can measure the electrical quantity of motor circuit, and have the defencive function of motor；Fixed frequency-variable device electric motor loop is a kind of distribution loop loaded as motor, and converter is used to protect a kind of equipment of motor circuit, has communication interface, variable ratio frequency changer actuating motor；Intelligent breaker is made up of electric spring energy storage device, closing coil, switching winding, auxiliary contact, band measurement, protection and the electronic trip unit of communication function, accessory power supply etc.；Intelligent multifunctional table is by current measurement circuit, voltage measurement circuit, working power module, switching input module, relay output module, communication module, CPU, display screen etc. form, the primary side being wherein arranged on the current transformer in power distribution cabinet is each passed through A phase, B phase, C phase busbar, and Current Transformer Secondary side is coupled with current measurement circuit for measuring the A phase current of wire inlet loop, B phase current, C phase current；The primary side of voltage transformer receives busbar voltage, and secondary side receives WV, the voltage measurement circuit of intelligent multifunctional table power taking pressure from WV again, is used for measuring loop voltage, i.e. A phase voltage, B phase voltage, C phase voltage；Intelligent multifunctional instrument measurement is to after loop current and voltage, and self CPU can calculate the charge values such as the corresponding power in this loop, electric energy, power factor according to publicity.
In this utility model embodiment, the incoming line cabinet floor data of described intelligent multifunctional table monitoring includes the voltage of wire inlet loop, electric current, power, frequency, electric energy, power factor；Intelligent breaker in incoming line cabinet has communication function, DATA REASONING function; play separating brake and the closing function of wire inlet loop; and there is relay protection function, wire inlet loop can be carried out overvoltage, overcurrent protection, and accept remote control and the remote regulating order that host computer issues；Intelligent three-phase electric current table can detect the on/off switch state of line loop three-phase electricity flow valuve and chopper；Intelligent single-phase ammeter can monitor the single-phase electricity flow valuve of drawer feeding circuit monophase current and the on/off switch state of chopper.
In this utility model embodiment, described host computer may be mounted in remote control room, PLC controls device by Ethernet and host computer communication, the data of collection are uploaded to host computer, and receive the instruction that host computer issues, PLC controls device and gathers incoming line cabinet, the first outgoing line cabinet, the second outgoing line cabinet by the RS485 communications cable, and issue control instruction to incoming line cabinet, the first outgoing line cabinet, the second outgoing line cabinet, it is possible to achieve to incoming line cabinet, the first outgoing line cabinet, the remote measurement of the second outgoing line cabinet, remote signalling, remote control, remote regulating；
Remote measurement: the voltage of the wire inlet loop of incoming line cabinet, electric current, power, frequency, electric energy, power factor, chopper relay protection value etc.；The three-phase current of two transmission line circuits of the first outgoing line cabinet, the single-phase electricity flow valuve that three Intelligent single-phase ammeters of the second outgoing line cabinet gather, the measured value that motor protector and converter collect.
Remote signalling: the on/off switch state of the intelligent breaker in the wire inlet loop of incoming line cabinet, work/testing position, the on/off switch state of two choppers in the first outgoing line cabinet, the chopper on/off switch state etc. of all choppers in the second outgoing line cabinet.
Remote control: the on/off switch of the intelligent breaker in incoming line cabinet controls; two chopper on/off switch in first outgoing line cabinet control; the electric motor starting of the drawer motor protector electric motor loop in the second outgoing line cabinet stops, the electric motor starting stopping of fixed frequency-variable device electric motor loop, fan starting stopping etc..
Remote regulating: the protection definite value of the intelligent breaker in incoming line cabinet sets, the protection seting value of drawer motor protector electric motor loop, the motor speed setting etc. of fixed frequency-variable device electric motor loop.
Claims (1)
1. one kind based on PLC control intelligent low-pressure switchgear assembly, it is characterised in that: include host computer,
PLC controls device, incoming line cabinet, the first outgoing line cabinet, the second outgoing line cabinet；
Described incoming line cabinet is provided with wire inlet loop, and for controlling the intelligent breaker of wire inlet loop break-make, is used for monitoring
The intelligent multifunctional table of incoming line cabinet operating mode；
Described first outgoing line cabinet is provided with two transmission line circuits, and each transmission line circuit is designed with for controlling this transmission line circuit
The chopper of break-make, and for monitoring the intelligent three-phase electric current table of this transmission line circuit three-phase current；
Described second outgoing line cabinet is provided with drawer motor protector electric motor loop, fixed frequency-variable device electric motor loop, and many
Individual drawer feeding circuit, is provided with the motor for motor circuit protection in described drawer motor protector electric motor loop
Protector, is provided with the converter for controlling motor operating frequency in described fixed frequency-variable device electric motor loop, each
Drawer feeding circuit is designed with the Intelligent single-phase ammeter for monitoring this drawer feeding circuit monophase current；
Described host computer and PLC are controlled device and are interconnected by Ethernet, described intelligent breaker, intelligent many merits
Energy table, intelligent three-phase electric current table, Intelligent single-phase ammeter, motor protector, converter are all communicated by RS485
Cable is connected to PLC and controls device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189446.8U CN205543934U (en) | 2016-03-11 | 2016-03-11 | Intelligence low voltage switchgear based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189446.8U CN205543934U (en) | 2016-03-11 | 2016-03-11 | Intelligence low voltage switchgear based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205543934U true CN205543934U (en) | 2016-08-31 |
Family
ID=56782171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620189446.8U Expired - Fee Related CN205543934U (en) | 2016-03-11 | 2016-03-11 | Intelligence low voltage switchgear based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205543934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357165A (en) * | 2016-09-29 | 2017-01-25 | 合肥申通电力科技有限公司 | Starting magnetic control optimizing device of motor |
-
2016
- 2016-03-11 CN CN201620189446.8U patent/CN205543934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357165A (en) * | 2016-09-29 | 2017-01-25 | 合肥申通电力科技有限公司 | Starting magnetic control optimizing device of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201401 Shanghai, Fengxian District, Hong Kong Road, No. 888 Patentee after: SHANGHAI INFRASWIN ENERGY CO.,LTD. Address before: 201401 Shanghai, Fengxian District, Hong Kong Road, No. 888 Patentee before: SHANGHAI INFRASWIN ENERGY TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |