CN207368450U - A kind of ring main unit for possessing linear quadratic control - Google Patents
A kind of ring main unit for possessing linear quadratic control Download PDFInfo
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- CN207368450U CN207368450U CN201721302406.0U CN201721302406U CN207368450U CN 207368450 U CN207368450 U CN 207368450U CN 201721302406 U CN201721302406 U CN 201721302406U CN 207368450 U CN207368450 U CN 207368450U
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Abstract
The utility model provides a kind of digitlization ring main unit, including status information processing unit, switching off/on device, energy storage motor device, energy storage state monitoring unit, earthing knife-switch Condition Monitoring Unit, cable chamber door board status monitoring unit, logic control element, master controller and communication interface, each status signal is gathered by status information processing unit, and the status signal of each simulation is carried out by coding digitlization according to coding control signal, then anti-interference is improved, and make it that wiring is more easy, simultaneously for control signal and using Digital Control, it is also advantageous that in raising system control stability.
Description
Technical field
High voltage electric equipment field is the utility model is related to, more particularly to a kind of ring main unit for possessing linear quadratic control.
Background technology
High voltage power distributing cabinet refers to be used for play break-make, control in electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption
Or protection etc. effect, voltage class 3.6kV ~ 550kV electric equipment products, mainly including high-voltage circuitbreaker, high voltage isolator
With earthing switch, high voltage load switch, high pressure automatic reclosing and sectionaliser, high-voltage actuating mechanism, high voltage explosion-proof power distribution device and
Several major classes such as high-tension switch cabinet.High voltage switch manufacturing industry is the manufacturing important component of power transmission and transforming equipment, in whole electric power
Occupy very important status in industry.
And ring main unit or switch cabinet system are then a rings important in high voltage electric equipment, it is mounted in metal or nonmetallic exhausted
Edge cabinet is interior or makes the electrical equipment of assembled compartment ring network power supplying units, its core uses on-load switch and fusing
Device, has the advantages that simple in structure, small, price is low, can improve power supply parameter and performance and power supply safety.It is extensive
It is used in the power distribution station of the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box change
In power station.
Control to high-voltage circuitbreaker needs special control system, since high-voltage circuitbreaker needs to carry out multiple states
Monitoring, therefore monitoring circuit of the prior art is not only more and complicated, has what is interfered with each other, therefore be easy to cause monitoring failure.
The content of the invention
The purpose of this utility model is to provide a kind of ring main unit for possessing linear quadratic control for realizing multimode stability monitoring
In order to realize the purpose of this utility model, the utility model provides a kind of ring main unit for possessing linear quadratic control, including
Switching device and secondary control device, it is characterised in that switching device includes：
Status information processing unit；
Switching off/on device bag switching off/on device includes divide-shut brake control unit, divide-shut brake coil state monitoring unit and division
Condition Monitoring Unit, divide-shut brake coil state monitoring unit is to divide-shut brake coil state monitoring unit to division Condition Monitoring Unit
Division Condition Monitoring Unit exports opening and closing state signal to status information processing unit；
Energy storage motor device, energy storage motor device include energy storage control unit and energy storage motor Condition Monitoring Unit, energy storage
To energy storage motor Condition Monitoring Unit to energy storage state monitoring unit, energy storage state monitoring unit, is stored up motor status monitoring unit
Energy Condition Monitoring Unit exports energy storage state signal to status information processing unit；
Earthing knife-switch Condition Monitoring Unit, earthing knife-switch Condition Monitoring Unit export earthing knife-switch status signal to status information processing unit；
Cable chamber door board status monitoring unit, cable chamber door board status monitoring unit is to status information processing unit out gate
Switching plate status signal；
Logic control element, logic control element export divide-shut brake control signal, logic control to divide-shut brake control unit
Unit exports energy storage control signal to energy storage control unit, and logic control element is controlled to status information processing unit exports coding
The analog signal received is generated digital signal by signal, status information processing unit according to logic control signal,
The digital signal that master controller receiving status information processing unit exports at status information, master controller is to logic control
Molding block exports logic control signal；
First communication interface, master controller receive signal or output signal by the first communication interface,
Secondary control device includes secondary controller, relay protector, the second communication interface and live monitoring unit, secondary
Controller is connected by the second communication interface and the first communication interface with master controller, and secondary controller connects with relay protector
Connect, live monitoring unit exports electriferous state signal to secondary control device.
The beneficial effects of the utility model are to gather each status signal by status information processing unit, and according to volume
The status signal of each simulation is carried out coding digitlization by code control signal, then improves anti-interference, and cause wiring more
Easily, simultaneously for control signal and using Digital Control, it is also advantageous that in raising system control stability.And it is equipped with
Secondary control device and relay protector, using the transmission of digitized signal, are conducive to be lifted the degree of protection and intelligence of ring main unit
Management level can be changed.
Brief description of the drawings
Fig. 1 is the system block diagram of the utility model ring main unit system embodiment.
Fig. 2 is the system block diagram of switching device in the utility model ring main unit system embodiment.
Fig. 3 is the system frame of the acquisition principle of status information processing unit in the utility model ring main unit system embodiment
Figure.
Fig. 4 is the system block diagram of secondary control device in the utility model ring main unit system embodiment.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, ring main unit includes switching device and secondary control device, and switching device is believed including state
Cease processing unit, switching off/on device, energy storage motor device, energy storage state monitoring unit, earthing knife-switch Condition Monitoring Unit, cable chamber door
Board status monitoring unit, logic control element, master controller and the first communication interface.
Switching off/on device includes divide-shut brake control unit, divide-shut brake coil state monitoring unit, division Condition Monitoring Unit
With division open position monitoring unit, logic control element then realizes separating brake to divide-shut brake control unit output divide-shut brake control signal
Or feed motion, divide-shut brake coil state monitoring unit export divide-shut brake coil state signal, tool to status information processing unit
Include closing coil and switching winding, divide-shut brake coil state signal includes closing coil status signal and switching winding shape body
State signal, division Condition Monitoring Unit export opening and closing state signal, the opening and closing state signal to status information processing unit
It can know that current state is in point position or closes position by loop resistance, and division open position monitoring unit further includes angle biography
Sensor, the rotary state that angular transducer can monitor plug-in strip can simultaneously export division angle state letter to status information processing unit
Number.
Energy storage motor device includes energy storage control unit and energy storage motor Condition Monitoring Unit, and logic control element is to energy storage
Control unit export energy storage control signal, make energy storage motor to operating mechanism carry out energy storage, energy storage motor Condition Monitoring Unit to
Status information processing unit exports energy storage motor status signal, and energy storage state monitoring unit is exported to status information processing unit and stored up
Can status signal.Earthing knife-switch Condition Monitoring Unit exports earthing knife-switch status signal, cable chamber door board status to status information processing unit
Monitoring unit is to status information processing unit out gate switching plate status signal.Ring main unit further includes live monitoring unit, powered
Monitoring unit exports electriferous state signal to status information processing unit.
Logic control element will be received to status information processing unit exports coding control signal, status information processing unit
Arrive it is above-mentioned these analog signal and corresponding digital signal is generated according to logic control signal, then realize monitoring signals
Digital Transmission, is conducive to improve interference free performance.
The digital signal of master controller receiving status information processing unit output, master controller can be in status display unit pair
The display of each status signal, to Logic control module output logic control signal, it is used for the control to each device to master controller
System, master controller by external communication interface with it is external communicate and receive signal or output signal, master controller can also with it is defeated
Enter to export expansion interface to connect with Passive Shape Control input unit.
With reference to Fig. 4, secondary control device includes secondary controller, relay protector, external communication interface and live monitoring
Unit, secondary controller are connected with master controller by two external communication interfaces and carry out data interaction, secondary controller with
Relay protector connects, and live monitoring unit exports electriferous state signal to secondary control device, and live monitoring unit includes band
Pyroelectric monitor closes phase hole and live monitoring PT, and list can also be inputted by Passive Shape Control for the input control of secondary control device
Member, and function expansion can also be carried out using input and output expansion interface.
Therefore each status signal is gathered by status information processing unit, and will be each according to coding control signal
The status signal of a simulation carries out coding digitlization, then improves anti-interference, and make it that wiring is more easy, simultaneously for control
Signal processed is also to use Digital Control, is also advantageous that in raising system control stability.
Claims (1)
1. a kind of ring main unit for possessing linear quadratic control, including switching device and secondary control device, it is characterised in that the switch
Device includes：
Status information processing unit；
Divide-shut brake control unit divide-shut brake control unit, divide-shut brake control unit, divide-shut brake coil state monitoring unit and division
Condition Monitoring Unit, the divide-shut brake coil state monitoring unit export divide-shut brake coiled type to the status information processing unit
State signal, the division Condition Monitoring Unit export opening and closing state signal to the status information processing unit；
Status information processing unit exports opening and closing state signal；
Energy storage motor status signal is exported with energy storage electricity condition information process unit；
The single status information processing unit output energy storage motor status signal of status information processing；
Energy storage state monitoring unit, the energy storage state monitoring unit are believed to status information processing unit output energy storage state
Number；
Earthing knife-switch Condition Monitoring Unit, the earthing knife-switch Condition Monitoring Unit are believed to status information processing unit output earthing knife-switch state
Number；
Cable chamber door board status monitoring unit, the cable chamber door board status monitoring unit are defeated to the status information processing unit
Go out switching plate status signal；
Logic control element, the logic control element exports divide-shut brake control signal to the divide-shut brake control unit, described
Logic control element exports energy storage control signal to the energy storage control unit, and the logic control element is to the status information
Processing unit exports coding control signal, the status information processing unit believe the analog signal received according to logic control
Number generation digital signal,
Master controller, the master controller receive the digital signal of the status information processing unit output, the master controller
Logic control signal is exported to the Logic control module；
First communication interface, the master controller receive signal or output signal by first communication interface,
The secondary control device includes secondary controller, relay protector, the second communication interface and live monitoring unit, described
Secondary controller is connected by second communication interface and first communication interface with the master controller, two secondary control
Device processed is connected with the relay protector, and live monitoring unit exports electriferous state signal to the secondary control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302406.0U CN207368450U (en) | 2017-10-09 | 2017-10-09 | A kind of ring main unit for possessing linear quadratic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302406.0U CN207368450U (en) | 2017-10-09 | 2017-10-09 | A kind of ring main unit for possessing linear quadratic control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368450U true CN207368450U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721302406.0U Active CN207368450U (en) | 2017-10-09 | 2017-10-09 | A kind of ring main unit for possessing linear quadratic control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123012A (en) * | 2022-01-27 | 2022-03-01 | 四川电器集团中低压智能配电有限公司 | Safe-use inflatable switch cabinet and working method |
-
2017
- 2017-10-09 CN CN201721302406.0U patent/CN207368450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123012A (en) * | 2022-01-27 | 2022-03-01 | 四川电器集团中低压智能配电有限公司 | Safe-use inflatable switch cabinet and working method |
| CN114123012B (en) * | 2022-01-27 | 2022-04-01 | 四川电器集团中低压智能配电有限公司 | Safe-use inflatable switch cabinet and working method |
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