CN209297139U - A kind of centralized-control type low-tension switch cabinet - Google Patents
A kind of centralized-control type low-tension switch cabinet Download PDFInfo
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- CN209297139U CN209297139U CN201920214697.0U CN201920214697U CN209297139U CN 209297139 U CN209297139 U CN 209297139U CN 201920214697 U CN201920214697 U CN 201920214697U CN 209297139 U CN209297139 U CN 209297139U
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- switch cabinet
- tension switch
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
Integrate real-time measurement, protection, bus communication, the central controlled centralized-control type low-tension switch cabinet of multiple transmission line circuits the utility model discloses a kind of.The defects of previous switchgear control element is more, wiring is many and diverse, at high cost, networking ability to communicate is poor, flexible in programming is poor are overcome, while eliminating considerable space.Voltage signal is provided to each monitoring module with public voltage module, at low cost and signal conformance is strong；The setting of public power module eliminates the power module of each discrete control loop；It is communicated between monitoring module and main control module by CAN bus, speed is fast and strong antijamming capability；It is concentrated through Ethernet interface to connect with remote monitoring system, eliminates the communication module of each discrete control loop, reduce communication interface and network layout, improve speed and anti-interference ability；The configuration of dual power supply and dual master control module, enhances system reliability.
Description
Technical field
A kind of centralized-control type low-tension switch cabinet of the utility model, each transmission line circuit for being related to a kind of low-tension switch cabinet concentrate control
The method of system, union real-time measurement, intelligent protection, bus communication are integrated.Belong to Power System Intelligent distribution technique field.
Technical background
Existing low-tension switch cabinet mostly forms a cabinet, digital display meter, comprehensive protector etc. using multiple transmission line circuits
Digitlization, intelligentized secondary component application are more universal, and above-mentioned secondary component needed for each transmission line circuit is separately mounted to respectively
From circuit in, belong to the mode of discrete control.But such mode has the following problems:
(1) secondary components such as digital display meter, comprehensive protector occupy the installation space in circuit and wiring is many and diverse, pyrotoxin
More but radiating condition is poor；
(2) power module, communication module, voltage module, alarm, display needed for the above-mentioned secondary component in each circuit etc.
Repeating configuration keeps its cost huge；
(3) there are one or more communication interfaces and communications protocol, networking complexity, the anti-interference energy of communication bus in each circuit
Power is poor；
(4) information between different secondary components cannot be shared, and control mode is fixed, and flexible in programming is poor.So existing
Low-tension switch cabinet protection and control model do not adapted to the continuous strict requirements of industrial automation.
Utility model content
The purpose of this utility model is to overcome drawbacks described above, a kind of collection real-time measurement is designed, protection, bus communication are
One, multiple central controlled centralized-control type low-tension switch cabinets of transmission line circuit.Its technology, which is achieved in that in low-tension switch cabinet, pacifies
Central control unit, including display module, dual-power module, dual master control module, voltage module, multiple monitoring modules are filled, it is special
Sign is: main control module CPU internally passes through CAN bus using main control module as core using high-performance embedded ARM9 processor
It is connected with remaining modules, remote monitoring system is externally connect by Ethernet.
Function is realized:
(1) functions such as measurement, protection, the control in each circuit of low-tension switch cabinet are realized by a set of central control unit, and
Bus communication is realized by central control unit and remote monitoring system.
(2) man-machine interface of the display module as remaining each module can carry out parameter setting and adjusting, and show each circuit
Operating status, the electric datas such as display voltage, electric current, electric degree, monitors the operating status of remaining module, when discovery failure etc. is abnormal
When situation, abnormal instruction is provided.
(3) double copies power module is to main control module and other each module for power supply.
(4) voltage module built-in voltage mutual inductor acquires switch cabinet bus voltage, and voltage signal is converted into digital letter
Number it is sent to each monitoring module.
(5) data such as the CPU acquisition electric current of monitoring module, voltage, power, electric degree, switching value, are protected when noting abnormalities
Shield, and itself collected data is uploaded to main control module by CAN bus.Main control module is received to send by CAN bus
When the control signal come, the logic control of protection, start and stop etc. is realized.
(6) CPU of the main control module described in is configured by parameter of the CAN bus to each monitoring module, by with
Too net connection remote monitoring system.After receiving the data that monitoring module transmission comes up, store data into corresponding buffer area,
It uses for display module and remote monitoring system, when receiving the control signal of remote monitoring system, is transmitted to pair by CAN bus
The monitoring module answered.
Advantage and effect after implementing the technology are: overcome previous switchgear control element is more, wiring is many and diverse, at
This height, the defects of networking ability to communicate is poor, flexible in programming is poor, while eliminating considerable space.With public voltage-mode
Block provides voltage signal to each monitoring module, and at low cost and signal conformance is strong；The setting of public power module eliminates each
The power module of discrete control loop；It is communicated between monitoring module and main control module by CAN bus, speed is fast and anti-interference energy
Power is strong；It is concentrated through Ethernet interface to connect with remote monitoring system, eliminates the communication module of each discrete control loop, reduce
Communication interface and network layout, improve speed and anti-interference ability；The configuration of dual power supply and dual master control module, enhances and is
System reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model centralized-control type low-tension switch cabinet,
Wherein: switchgear matches 9 transmission line circuits, 1- display module, 2- power module, 3- power supply backup module, 4- master control
Module, 5- master control backup module, 6- voltage module, 7- monitoring module, 8- monitoring module, 9- monitoring module, 10- monitoring module,
11- monitoring module, 12- monitoring module, 13- monitoring module, 14- monitoring module, 15- monitoring module；
Fig. 2 is collection control unit enlarged drawing；
Fig. 3 is the schematic diagram of power module and power supply backup module major part；
Fig. 4 is the CAN bus schematic diagram of main control module；
Fig. 5 is that the voltage of voltage module is converted into the schematic diagram of electric current；
Fig. 6 is each monitoring module minimum system schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described:
See attached drawing 2, central control unit is installed in the cable passage of low-tension switch cabinet, central control unit is equipped with double standby
Part function power module (2) and (3), main control module (4) and spare main control module (5), voltage acquisition module (6) and 9 groups of monitoring
The structure of module (7--15), main control module (4) and (5), monitoring module (7--15) all use CPU intelligent controller.
The CPU of main control module (4) is high-performance embedded ARM9 processor, module and external communication use photoelectricity every
From power module (2) and main control module (4) are all made of double copies function.
Display module (1) can carry out parameter setting and adjusting as the human-machine interface unit of remaining each module, and show
Each circuit operating status, the electric datas such as display voltage, electric current, electric degree, monitors the operating status of remaining module, when discovery failure
Etc. abnormal conditions when, provide abnormal instruction.
Voltage module (6), built-in voltage mutual inductor acquire switch cabinet bus voltage, and voltage signal are converted into electric current
Signal is sent to each monitoring module.
Monitoring module (7), (8), (9), (10), (11), (12), (13), (14), (15), it is built-in using independent CPU
Circuit, the data such as power, electric degree, the power factor of counter circuit, according to bus are monitored and controlled in current acquisition circuit, switching value
The real-time fluctuations situation of voltage, by monitoring module realize switchgear motor circuit due to voltage dip (moment fall or
Shake electricity) when continuous operation or restart control automatically.Data are exchanged with main control module by CAN bus, and data are carried out
Analysis in real time and processing manipulate circuit by exit relay.
After main control module (4) receives the data that monitoring module (7--15) transmission comes up, pass through Ethernet after combining data
Or serial ports is uploaded to remote monitoring system.After main control module (4) receives the telecommand of remote monitoring system, by analysis
Corresponding monitoring module (7--15) is issued by CAN bus, by the relay of monitoring module (7--15) in circuit to be treated out
Device issues loop control signal.
Claims (7)
1. a kind of centralized-control type low-tension switch cabinet, technology, which is achieved in that in low-tension switch cabinet, installs central control unit,
Including display module, power module, main control module, voltage module, monitoring module, it is characterised in that: main control module CPU is using high
Performance Embedded ARM9 processor is internally connected by CAN bus with remaining modules, externally using main control module as core
Remote monitoring system is connected by Ethernet.
2. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the measurement in each circuit of low-tension switch cabinet,
The functions such as protection, control are realized by a set of central control unit, and are realized by central control unit and remote monitoring system
Bus communication.
3. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the display module is each as remaining
The man-machine interface of module can carry out parameter setting and adjusting, and show each circuit operating status, display voltage, electric current, electric degree etc.
Electric data monitors the operating status of remaining module, when finding the abnormal conditions such as failure, provides abnormal instruction.
4. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the power module is to main control module
And other each module for power supply.
5. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the voltage module built-in voltage is mutual
Sensor acquires switch cabinet bus voltage, and voltage signal is converted into digital signal and is sent to each monitoring module.
6. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the CPU of the monitoring module is acquired
The data such as electric current, voltage, power, electric degree, switching value, are protected when noting abnormalities, and itself collected data is passed through
CAN bus is uploaded to main control module, when receiving the control signal that main control module is sent by CAN bus, realizes protection, start and stop
Deng logic control.
7. centralized-control type low-tension switch cabinet according to claim 1, it is characterised in that: the CPU of the main control module passes through
CAN bus is configured the parameter of each monitoring module, connects remote monitoring system by Ethernet, receives monitoring module and passes
It after the data sent up, stores data into corresponding buffer area, is used for display module and remote monitoring system, received remote
When the control signal of square monitoring system, corresponding monitoring module is transmitted to by CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214697.0U CN209297139U (en) | 2019-02-20 | 2019-02-20 | A kind of centralized-control type low-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214697.0U CN209297139U (en) | 2019-02-20 | 2019-02-20 | A kind of centralized-control type low-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297139U true CN209297139U (en) | 2019-08-23 |
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ID=67642956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920214697.0U Active CN209297139U (en) | 2019-02-20 | 2019-02-20 | A kind of centralized-control type low-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209297139U (en) |
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2019
- 2019-02-20 CN CN201920214697.0U patent/CN209297139U/en active Active
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