Invention content
The main object of the present invention is to provide a kind of environment-friendly type air insulation ring main unit, it is intended to solve existing with SF6 gases
Gas-insulated ring network cabinet as insulation and arc-extinguishing medium is complicated, poor reliability;SF6 gases belong to greenhouse gases simultaneously,
Not environmentally the problem of.
To achieve the above object, a kind of environment-friendly type air insulation ring main unit proposed by the present invention comprising ring main unit ontology,
First motor, the second motor, controller, the first leadscrew-nut mechanism, the second leadscrew-nut mechanism, vacuum circuit breaker, first connect
Fishplate bar, the second connecting plate, plug-in type disconnecting switch, cable access system, cable pick out system, conductive rod, the first rotational handle
With the second rotational handle;The ring main unit ontology includes control room, air insulation room, cable vault and discouraged room;The air is exhausted
Marginal cell and the control room are set to the opposite sides above the ring main unit ontology, the discouraged room and cable vault setting
Opposite sides below the ring main unit ontology, and the air insulation room and the discouraged room are located at the same side;The electricity
The cable access system is provided in cable room;The vacuum circuit breaker, first leadscrew-nut mechanism, second leading screw
Nut body and the plug-in type disconnecting switch are set in the air insulation room;The vacuum circuit breaker include dynamic connector and
Quiet connector, the dynamic connector pick out system with the cable and are connected;One end of the dynamic connector and first connecting plate is fixed
Connection, the other end is fastened by bolts with the nut of first leadscrew-nut mechanism to be connected;The first motor is arranged in institute
It states in control room, and is respectively connected with the leading screw of first leadscrew-nut mechanism, the controller;The plug-in type is kept apart
The switch column for including switch base and being inserted into the switch base is closed, the switch base is provided with ground connection, disconnection, connects three stations,
The conductive rod is connected with the connection station;The switch column is connected with the quiet connector, and the switch base connects by second
Fishplate bar is connected with the nut of second leadscrew-nut mechanism;Second motor is arranged in the control room, and with it is described
The leading screw of second leadscrew-nut mechanism, the controller are respectively connected with;The conductive rod is connected with the cable access system;Institute
It states the first rotational handle with the leading screw of first leadscrew-nut mechanism to be connected, second rotational handle and second leading screw
The leading screw of nut body is connected;It is filled with dry air in the air insulation room.
Preferably, the environment-friendly type air insulation ring main unit includes the first ceramic shaft coupling and the second ceramic shaft coupling, institute
It states first motor with the leading screw of first leadscrew-nut mechanism to be connected by the first ceramic shaft coupling, second motor and institute
The leading screw for stating the second leadscrew-nut mechanism is connected by the second ceramic shaft coupling.
Preferably, the one end of the switch column far from the quiet connector is provided with ball, and the switch base is tubular,
The switch base is disposed with three ground connection, off and on stations from nozzle into cylinder;It is provided on each station
To protrusion, the protrusion is connected with the side wall of the switch base by spring, and the protruding apex is the circular shape of indent;
The ball is inserted into the circular cavity, is connected with the corresponding station.
Preferably, the environment-friendly type air insulation ring main unit includes three display lamps, and the display lamp is arranged in the control
System is indoor, and the display lamp is connected with three station one-to-one correspondence.
Preferably, first leadscrew-nut mechanism is equal with the air insulation room, the control room connection respectively
It is provided with sealing ring;Second leadscrew-nut mechanism is all provided with the air insulation room, the control room connection respectively
It is equipped with sealing ring.
Preferably, it is provided with relief valve on the partition board between the air insulation room and the discouraged room.
Preferably, the cable access system includes into wire insertion end, inlet wire wall bushing and inlet wire inserting column;Institute
It states and is inserted on the outside of inlet wire wall bushing into wire insertion end, the inlet wire inserting column forms connection simultaneously with into wire insertion end
The inlet wire wall bushing is stretched out, the inlet wire inserting column is connected with the conductive rod.
Preferably, it includes wire insertion end, outgoing line wall bushing and outlet inserting column, institute that the cable, which picks out system,
It states out wire insertion end to be inserted on the outside of outgoing line wall bushing, the outlet inserting column forms connection simultaneously with wire insertion end is gone out
The outgoing line wall bushing is stretched out, the outlet inserting column is connected with the dynamic connector.
Preferably, the conductive rod is copper rod.
Preferably, drier is placed in the air insulation room.
In technical scheme of the present invention, vacuum circuit breaker is driven to move connector and by the by the first leadscrew-nut mechanism
Two leadscrew-nut mechanisms driving plug-in type disconnecting switch makes simple in structure and control reliable and stable, plug-type three stations isolation
Construction of switch is compact, and can effectively promote its insulating capacity, uses dry air to substitute SF6 as insulating gas, realizes environmental protection
Free of contamination purpose.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, can also be
Electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Logical technical staff can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of environment-friendly type air insulation ring main unit.
Fig. 1 is please referred to, in an embodiment of the present invention, environment-friendly type air insulation ring main unit includes ring main unit ontology 1, first
Motor 2, the second motor 3, controller 4, the first leadscrew-nut mechanism 5, the second leadscrew-nut mechanism 6, vacuum circuit breaker 7, first
Connecting plate 8, the second connecting plate 9, plug-in type disconnecting switch 10, cable access system 11, cable pick out system 12, conductive rod 13,
First rotational handle 14 and the second rotational handle 15;Ring main unit ontology 1 includes control room, air insulation room, cable vault and loses heart
Room;Air insulation room and control room are set to the opposite sides of 1 top of ring main unit ontology, and discouraged room and cable vault are set to looped network
The opposite sides of 1 lower section of cabinet ontology, and air insulation room and discouraged room are located at the same side;Cable access system is provided in cable vault
System 11;Vacuum circuit breaker 7, the first leadscrew-nut mechanism 5, the second leadscrew-nut mechanism 6 and plug-in type disconnecting switch 10 are set to
In air insulation room;Vacuum circuit breaker 7 includes dynamic connector 71 and quiet connector 72, and dynamic connector 71 picks out system 12 with cable and is connected;
One end of 71 first connecting plate 8 of dynamic connector is fixedly connected with dynamic connector 71, and the nut of the other end and the first leadscrew-nut mechanism 5 is logical
Bolt fastening is crossed to be connected;The setting of first motor 2 divides in control room, and with the leading screw of the first leadscrew-nut mechanism 5, controller 4
Xiang Lian not;Plug-in type disconnecting switch 10 includes switch base 101 and the switch column 102 for being inserted into switch base 101, and switch base 101 is arranged
There are ground connection, disconnection, connect three stations, conductive rod 13 is connected with station is connected;Switch column 102 is connected with quiet connector 72, switch
Seat 101 is connected by the second connecting plate 9 with the nut of the second leadscrew-nut mechanism 6;Second motor 3 is arranged in control room, and
It is respectively connected with leading screw, the controller 4 of the second leadscrew-nut mechanism 6;Conductive rod 13 is connected with cable access system 11;First turn
Fixed handle 14 is connected with the leading screw of the first leadscrew-nut mechanism 5, the leading screw of the second rotational handle 15 and the second leadscrew-nut mechanism 6
It is connected;Air insulation is filled with dry air in room.
In technical scheme of the present invention, the first leadscrew-nut mechanism 5 control vacuum circuit breaker 7 is cut-off, and passes through the first electricity
Machine 2 is respectively connected with controller 4, the first leadscrew-nut mechanism 5, and realization automatically controls;First rotational handle 14, which ensures, to be controlled
In the case of line fault processed or power-off, manually controllable vacuum circuit breaker 7 is cut-off.Second leadscrew-nut mechanism 6 controls
Plug-in type disconnecting switch 10 is cut-off or is grounded, and the second motor 3 is respectively connected with controller 4, the second leadscrew-nut mechanism 6, real
Now automatically control;Second rotational handle 15 ensure control circuit failure or power-off in the case of, manually controllable insertion
Formula disconnecting switch 10 is cut-off or is grounded.The structure of ring main unit is simple, and control is reliable and precision is high, while being replaced with dry air
SF6 effectively reduces the discharge of greenhouse gases as insulating gas, environment-protecting clean.
Specifically, environment-friendly type air insulation ring main unit includes 16 and second ceramic shaft coupling 17 of the first ceramic shaft coupling, the
One motor 2 is connected with the leading screw of the first leadscrew-nut mechanism 5 by the first ceramic shaft coupling 16, the second motor 3 and the second leading screw
The leading screw of nut body 6 is connected by the second ceramic shaft coupling 17.Ceramic material has excellent thermoelectricity and mechanical performance, in machine
Tool aspect of performance has high temperature resistant, heat-insulated, high rigidity, abrasion performance etc.;There are insulating properties, piezoelectricity, semiconductor in terms of thermoelectricity capability
Property, magnetism etc..First motor 2 is connected with the leading screw of the first leadscrew-nut mechanism 5 by ceramic shaft coupling;Second motor 3 and
The leading screw of two leadscrew-nut mechanisms 6 is connected by ceramic shaft coupling, and ceramic shaft coupling can be by the transmission of the dynamic high efficiency of motor
To the leading screw of leadscrew-nut mechanism, the rotation of leading screw drives the translation of nut;The shaft coupling insulation performance of ceramic material is excellent simultaneously
It is good, it is ensured that the safety used.
The one end of switch column 102 far from quiet connector 72 is provided with ball 103, and switch base 101 is tubular, switch base
101 are disposed with three ground connection, off and on stations from nozzle into cylinder;Pairs of protrusion 104 is provided on each station,
Protrusion 104 is connected with the side wall of switch base 101 by spring, and raised 104 tops are the circular shape of indent;Ball 103
It is inserted into circular cavity, is connected with corresponding station.Switch base 101 is prepared using ceramic material, insulation performance and piezoelectricity
Function admirable, and its mechanical strength meets requirement, the switch base 101 made using ceramic material effectively increases insertion
The insulating capacity of formula switch.The ball 103 of 102 one end of spherical cavity package switch column that a pair of of protrusion 104 is constituted, and
It is squeezed by spring so that ball 103 is well contacted with protrusion 104.
Second motor 3 controls the leading screw rotation of the second leadscrew-nut mechanism 6, and nut translation, nut is driven to connect by second
Fishplate bar 9 drives switch base 101 to move, and realizes the connecting and disconnecting of three stations in switch base 101 of switch column 102, in order to
Which kind of station the ball 103 of intuitive display current switch column 102 is in, and environment-friendly type air insulate ring main unit including three
Display lamp, display lamp are arranged in control room, and display lamp is connected with three station one-to-one correspondence.Display lamp is arranged in control room
Interior, the second motor 3 or second handle drive the leading screw of the second leadscrew-nut mechanism 6 to rotate, and ball 103 is made to be in switch
A certain station in seat 101, the display lamp being connected at this time with this station light, and reach intuitive display current switch column 102
Ball 103 residing for station purpose.
Air insulation fills dry air in room, needs to be sealed air insulation room, the first leadscrew-nut mechanism 5 difference
It is both provided with sealing ring with air insulation room, control room connection;Second leadscrew-nut mechanism 6 respectively with air insulation room,
Control room connection is both provided with sealing ring.Junction is sealed using sealing ring, it is therefore prevented that the leakage of gas.
Preferably, it is provided with relief valve 18 on the partition board between air insulation room and discouraged room.Air insulation is indoor dry
Dry air since temperature raises caused by rising-heat contracting-cold or dry air be filled with and too low will lead to the indoor air pressure liter of air insulation
Height, there are the danger of explosion.When the indoor air pressure of air insulation is higher, can by relief valve 18 to its pressure release to protect
Demonstrate,prove the indoor pressure stability of air insulation, it is ensured that safe to use.
Specifically, cable access system 11 includes into wire insertion end, inlet wire wall bushing and inlet wire inserting column;Inlet wire
Plug end is inserted on the outside of inlet wire wall bushing, and inlet wire inserting column is worn with forming connection into wire insertion end and stretch out inlet wire
Wall sleeve, inlet wire inserting column are connected with conductive rod 13.Can realize the fast insert-pull of inlet wire into wire insertion end, it is simple in structure and
It is easy to use.Inlet wire wall bushing is arranged on the indoor wall of air insulation, and is sealed by sealing ring.
Specifically, it includes wire insertion end, outgoing line wall bushing and outlet inserting column, outlet that cable, which picks out system 12,
Plug end is inserted on the outside of outgoing line wall bushing, outlet inserting column and goes out wire insertion end and form connection and stretch out outlet to wear
Wall sleeve, outlet inserting column are connected with dynamic connector 71.The fast insert-pull of outlet can be realized by plug end occur, it is simple in structure and
It is easy to use.Outgoing line wall bushing is arranged on the indoor wall of air insulation, and is sealed by sealing ring.
Preferably, conductive rod 13 is copper rod.Copper has excellent electric conductivity, and ductility is excellent, is made using copper product
For conductive rod 13, the electric conductivity of ring main unit is improved.
Preferably, drier is placed in air insulation room.The indoor dry air of air insulation is after a protracted use
It can make moist, it is dried using drier, it is ensured that the insulating capacity of ring main unit.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every in the present invention
Design under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in other phases indirectly
The technical field of pass is included in the scope of patent protection of the present invention.