CN207303816U - A kind of inflatable ring main unit with metering cabinet - Google Patents
A kind of inflatable ring main unit with metering cabinet Download PDFInfo
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- CN207303816U CN207303816U CN201721163138.9U CN201721163138U CN207303816U CN 207303816 U CN207303816 U CN 207303816U CN 201721163138 U CN201721163138 U CN 201721163138U CN 207303816 U CN207303816 U CN 207303816U
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- cabinet
- switch
- metering
- line cabinet
- incoming line
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Abstract
A kind of inflatable ring main unit with metering cabinet, incoming line cabinet, metering cabinet and outgoing line cabinet three parts is divided into cabinet, the incoming line cabinet and outgoing line cabinet are using all insulation, totally-enclosed SF successively6Gas-insulated inflatable ring main unit, incoming line cabinet are all to be connected by full skirt casing with metering cabinet with outgoing line cabinet;Copper bus-bar connects incoming line cabinet, metering cabinet and outgoing line cabinet with switch, and high pressure first is electrically accessed incoming line cabinet, arrives outgoing line cabinet again by metering cabinet, in each cabinet, there is switch and the operating mechanism of controlling switch.The utility model has following features and progress:1st, using the most frequently used distribution assembled scheme, available for indoor and outdoor, requirement of the client to electrical energy measurement can be met, accurate metering, there is forward purchasing Electricity Functional;2nd, metering cabinet is insulated using air type, and incoming line cabinet and outgoing line cabinet use SF6Ring main unit, solves small space, the safety problem not enough brought of distance and maintenance trouble.
Description
Technical field
10kV electric switch equipments are the utility model is related to, belong to transmission & distribution electric field, for the device of distribution, are specifically related to
A kind of and inflatable ring main unit with metering cabinet.
Background technology
Inflatable ring main unit is a kind of form of switchgear, and when switchgear is used for ring network power supply, switchgear is referred to as looped network
Cabinet, inflatable ring main unit are one kind with SF6Gas is the switchgear of dielectric, can be divided into primary power distribution according to application field
Equipment and secondary power distribution equipment (rated current is less than or equal to 630A under normal circumstances), because gas-filling cabinet is compact-sized, size is small,
In present in the market, many ring main units all use inflatable ring main unit.But since inflatable ring main unit is using all insulation, full envelope
Enclosed is stainless steel welded to be formed, volume compact, and for needing to install the user with electric energy metering device, inflatable ring main unit exists
It is to have no idea that all metering electrical equipment and component are installed in the installation site of cabinet, cabinet interval is small, component
Installation does not reach safe distance, and there are safety problem;And distance, space are small, can make troubles to service work.It can not meet
Installation and the demand of user.
The content of the invention
To solve the above problem of the prior art, the utility model provides a kind of the new of inflatable ring main unit with metering cabinet
Design, can meet requirement of the client to electrical energy measurement, and it is small, numb apart from the safety problem and maintenance not enough brought to solve space
It is tired, while meet the scheme of electric power with metering inflatable ring main unit, cater to the developing direction of following intelligent grid.
This inflatable ring main unit with metering cabinet, it is characterised in that be divided into incoming line cabinet, metering cabinet in cabinet successively and go out
Line cabinet three parts, the incoming line cabinet and outgoing line cabinet are using all insulation, totally-enclosed SF6Gas-insulated inflatable ring main unit, incoming line cabinet
All it is to be connected by full skirt casing with metering cabinet with outgoing line cabinet;Copper bus-bar connects incoming line cabinet, metering cabinet and outgoing line cabinet with switch, first
First high pressure is electrically accessed incoming line cabinet, arrives outgoing line cabinet again by metering cabinet, in each cabinet, there is switch and the operation machine of controlling switch
Structure.
The incoming line cabinet includes entrance bushing, service entrance switch, incoming line operating mechanism and copper bus-bar, inlet wire operation machine
Structure is connected with service entrance switch, and control service entrance switch separating brake, close a floodgate, and entrance bushing is connected with service entrance switch, copper bus-bar respectively.
The metering cabinet is divided into top measuring instrument room, middle part on-load switch room, lower part main bus-bar room three parts, top meter
Electric energy meter, the load behaviour that the middle part on-load switch room is provided with on-load switch and is attached thereto are installed in amount control room
Make mechanism, be full of SF in on-load switch6Gas, also has prepayment meter;It can realize forward purchasing Electricity Functional;The main mother in lower part
Line room is provided with high-tension insulator to install copper bus-bar, metering current mulual inductor, fuse, metered voltage mutual inductor respectively and
Copper bus-bar is connected.
The outgoing line cabinet includes outlet casing tube, outlet switch, outgoing line operating mechanism and copper bus-bar, outlet operation machine
Structure is connected with outlet switch, and control outlet switch separating brake, close a floodgate, and outlet casing tube is connected with outlet switch, copper bus-bar respectively;Outlet
The high voltage input terminal of the lower termination transformer of the outlet switch of cabinet, so can export low pressure 380V/ in step down side
220V voltages.
Compared with prior art, the utility model has following features and progress:1st, can using the most frequently used distribution assembled scheme
For indoor and outdoor, it can meet requirement of the client to electrical energy measurement, accurate metering, there is forward purchasing Electricity Functional;2nd, metering cabinet uses
Air type insulate, and incoming line cabinet and outgoing line cabinet use SF6Ring main unit, solve small space, the safety problem not enough brought of distance and
Maintenance trouble;3rd, meet the scheme of electric power with metering inflatable ring main unit, cater to the developing direction design of following intelligent grid, be
Currently advanced distribution network electric energy metering device solves technical solution.
Brief description of the drawings
Fig. 1 is that the utility model opens the front view after cabinet door;
Fig. 2 is incoming line cabinet A-A profiles;
Fig. 3 is outgoing line cabinet C-C profiles;
Fig. 4 is metering cabinet B-B profiles;
In figure:1st, incoming line cabinet, 2, metering device cabinet, 3, outgoing line cabinet, 4.1, entrance bushing, 4.2, outlet casing tube, 5.1, into
Wiretap, 5.2 outlet switchs, 6.1, incoming line operating mechanism, 6.2, outgoing line operating mechanism, 7, copper bus-bar, 8, on-load switch room,
8.1st, on-load switch, 8.2, load operation mechanism, 9, main bus-bar room, 10, measuring instrument room, 11, high-tension insulator, 12, metering
Current transformer, 13, fuse, 14, metered voltage mutual inductor, 15, electric energy meter, 16, prepayment meter, 17, full skirt
Casing, 18, the high voltage input terminal of transformer.
Embodiment
Below in conjunction with drawings and examples, the utility model is further illustrated:
Referring to attached drawing 1, Fig. 2, Fig. 3 and Fig. 4:This inflatable ring main unit with metering cabinet, it is characterised in that in cabinet according to
Secondary to be divided into 3 three parts of incoming line cabinet 1, metering cabinet 2 and outgoing line cabinet, the incoming line cabinet 1, outgoing line cabinet 3 use totally-enclosed SF6Gas-insulated
Inflatable, incoming line cabinet 1 and outgoing line cabinet 3 are all to be connected by the cable in full skirt casing 17 with metering cabinet 2;Metering cabinet 2 is equipped with SF6
The on-load switch 8.1 of insulation, whole cabinet are air insulation, and copper bus-bar 7 passes through service entrance switch 5.1, on-load switch 8.1, outlet
The connection of switch 5.2 incoming line cabinet 1, metering cabinet 2 and outgoing line cabinet 3, first high pressure are electrically accessed incoming line cabinet 1, and outlet is arrived again by metering cabinet 2
Cabinet 3, in each cabinet, there is switch and the operating mechanism of controlling switch.
The incoming line cabinet 1 includes entrance bushing 4.1, service entrance switch 5.1, incoming line operating mechanism 6.1 and copper bus-bar 7, described
Incoming line operating mechanism 6.1 be connected with service entrance switch 5.1, control service entrance switch 5.1 separating brake, close a floodgate, entrance bushing 4.1 respectively with
Service entrance switch 5.1, copper bus-bar 7 are connected.
The metering cabinet 2 divides for top measuring instrument room 10, middle part on-load switch room 8,9 three parts of lower part main bus-bar room,
Electric energy meter 15 is installed in top measuring instrument room 10;The middle part on-load switch room 8 be provided with on-load switch 8.1 and with
Connected load operation mechanism 8.2, also have prepayment meter 16;It can realize forward purchasing Electricity Functional;The lower part main bus-bar
Room 9 is provided with high-tension insulator 11 to install copper bus-bar 7, metering current mulual inductor 12, fuse 13, metered voltage mutual inductor
14 are connected with copper bus-bar 7 respectively.
The outgoing line cabinet 3 includes outlet casing tube 4.2, outlet switch 5.2, outgoing line operating mechanism 6.2 and copper bus-bar 7, described
Outgoing line operating mechanism 6.2 be connected with outlet switch 5.2, control outlet switch 5.2 separating brake, close a floodgate, outlet casing tube 4.2 respectively with
Outlet switch 5.2, copper bus-bar 7 are connected;The high voltage input terminal 18 of the lower termination transformer of the outlet switch 5.2 of outgoing line cabinet 3, so
Low pressure 380V/220V voltages can be exported in step down side.
Claims (4)
1. a kind of inflatable ring main unit with metering cabinet, it is characterised in that be divided into incoming line cabinet, metering cabinet and outlet in cabinet successively
Cabinet three parts, the incoming line cabinet and outgoing line cabinet are using all insulation, totally-enclosed SF6Gas-insulated inflatable ring main unit, incoming line cabinet and
Outgoing line cabinet is all to be connected by full skirt casing with metering cabinet;Copper bus-bar connects incoming line cabinet, metering cabinet and outgoing line cabinet with switch, first
High pressure is electrically accessed incoming line cabinet, arrives outgoing line cabinet again by metering cabinet, in each cabinet, there is switch and the operating mechanism of controlling switch.
2. a kind of inflatable ring main unit with metering cabinet according to claim 1, it is characterised in that the incoming line cabinet includes
Entrance bushing, service entrance switch, incoming line operating mechanism and copper bus-bar, the incoming line operating mechanism are connected with service entrance switch, control
Service entrance switch separating brake, close a floodgate, and entrance bushing is connected with service entrance switch, copper bus-bar respectively.
3. a kind of inflatable ring main unit with metering cabinet according to claim 1, it is characterised in that the metering cabinet is divided into
Top measuring instrument room, middle part on-load switch room, lower part main bus-bar room three parts, top is provided with electric energy meter in measuring instrument room
Scale, the middle part on-load switch room are provided with on-load switch and the load operation mechanism being attached thereto, are full of in on-load switch
SF6Gas, also has prepayment meter;It can realize forward purchasing Electricity Functional;The lower part main bus-bar room is provided with high-tension insulator
To install copper bus-bar, metering current mulual inductor, fuse, metered voltage mutual inductor are connected with copper bus-bar respectively.
4. a kind of inflatable ring main unit with metering cabinet according to claim 1, it is characterised in that the outgoing line cabinet includes
Outlet casing tube, outlet switch, outgoing line operating mechanism and copper bus-bar, the outgoing line operating mechanism are connected with outlet switch, control
Outlet switch separating brake, close a floodgate, and outlet casing tube is connected with outlet switch, copper bus-bar respectively;The lower termination of the outlet switch of outgoing line cabinet
The high voltage input terminal of transformer, so can export low pressure 380V/220V voltages in step down side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721163138.9U CN207303816U (en) | 2017-09-12 | 2017-09-12 | A kind of inflatable ring main unit with metering cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721163138.9U CN207303816U (en) | 2017-09-12 | 2017-09-12 | A kind of inflatable ring main unit with metering cabinet |
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CN207303816U true CN207303816U (en) | 2018-05-01 |
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CN201721163138.9U Active CN207303816U (en) | 2017-09-12 | 2017-09-12 | A kind of inflatable ring main unit with metering cabinet |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109346975A (en) * | 2018-11-02 | 2019-02-15 | 泰豪科技(深圳)电力技术有限公司 | One or two fusion gas-filling cabinets |
-
2017
- 2017-09-12 CN CN201721163138.9U patent/CN207303816U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109346975A (en) * | 2018-11-02 | 2019-02-15 | 泰豪科技(深圳)电力技术有限公司 | One or two fusion gas-filling cabinets |
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