CN206004202U - A kind of explosion-proof ring main unit - Google Patents
A kind of explosion-proof ring main unit Download PDFInfo
- Publication number
- CN206004202U CN206004202U CN201620609849.3U CN201620609849U CN206004202U CN 206004202 U CN206004202 U CN 206004202U CN 201620609849 U CN201620609849 U CN 201620609849U CN 206004202 U CN206004202 U CN 206004202U
- Authority
- CN
- China
- Prior art keywords
- main unit
- ring main
- explosion
- proof ring
- fuse
- 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
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- Fire Alarms (AREA)
- Gas-Insulated Switchgears (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
This utility model discloses a kind of explosion-proof ring main unit，It includes shell body、On-load switch、Fuse and the cable being connected with fuse，On-load switch、Fuse is installed in shell body，Shell body is rectangular shape，Shell body is provided with parallel to the ground and away from ground upper surface，Lower left in explosion-proof ring main unit is provided with to place the installing rack of fuse，The side of installing rack is provided with the fixing groove in order to fixed cable，Fixing groove extends along direction perpendicular to the ground，It is provided with pressure transducer in explosion-proof ring main unit、The pressure controller being connected with pressure transducer、The alarm being connected with pressure controller、The relief valve being connected with pressure controller and the valve control mechanism being connected with relief valve，It is respectively provided with a described pressure transducer in each on-load switch on the inlet wire and transmission line circuit of ring main unit，Pressure controller is provided with the on-off circuit being controlled by pressure transducer，Valve control mechanism is used for controlling the opening and closing of relief valve.This utility model structure is simple, and the suitability is high, effectively prevents contingency from occurring.
Description
Technical field：
This utility model belongs to ring main unit field, more particularly, to a kind of explosion-proof ring main unit.
Background technology：
Ring main unit (Ring Main Unit) is that one group of transmission ＆ distribution electrical equipment (high-tension switch gear) is contained in metal or non-gold
Belong in insulation cabinet body or make the electrical equipment of assembled compartment ring network power supplying units, it has, and structure is simple, small volume, price
Low, the advantages of power supply parameter and performance and power supply safety can be improved.It is widely used in Urban Residential District, high level is built
Build, in the power distribution station of the load center such as large public building, factory and enterprise and box-type substation.
Ring main unit is a kind of highly important high-voltage switch gear cabinet equipment, mainly by on-load switch, fuse and electric operating
The electrical equipment such as mechanism zero device, described motor-operating mechanism switches on and off, using described electronic behaviour for operational load switch
Make mechanism people and just in the monitoring interior of ring main unit, remote operation can be carried out to ring main unit.High-voltage ring main unit is in actual motion
In, due to a variety of causes, the gas pressure in the on-load switch of ring main unit occurs too high situation.Gas pressure is too high to lead
Cause the gas expansion in the on-load switch in ring main unit, finally can lead to ring main unit explosive incident, thus giving enterprise, society
And the people brings life danger, economic and emotional distress.
At present, ring main unit generally relies only on fuse and carries out error protection to the transmission line circuit of ring main unit, works as transmission line circuit
Break down when leading to electric current excessive, the fuse on transmission line circuit can blow, thus protection is realized to transmission line circuit, integrally see
The defencive function of ring main unit is on the low side, reduces safety in utilization and the reliability of ring main unit.
Therefore, for above-mentioned technical problem it is necessary to provide a kind of explosion-proof ring main unit of new structure, to solve existing skill
Problem in art.
Utility model content：
The purpose of this utility model is to provide a kind of explosion-proof ring main unit of new structure, this explosion-proof looped network cabinet letter
Single, can effectively prevent contingency from occurring.
This utility model adopts the following technical scheme that：A kind of explosion-proof ring main unit, it includes shell body, on-load switch, fusing
Device and the cable being connected with fuse, described on-load switch, fuse are installed in shell body, and described shell body is cuboid
Shape, described shell body is provided with parallel to the ground and away from ground upper surface, and the lower left in described explosion-proof ring main unit is provided with
In order to place the installing rack of fuse, the side of described installing rack is provided with the fixing groove in order to fixed cable, described fixing groove edge
Direction perpendicular to the ground extends, and is provided with, in described explosion-proof ring main unit, the Stress control that pressure transducer is connected with pressure transducer
Relief valve and the Valve controlling being connected with relief valve that the alarm that device is connected with pressure controller is connected with pressure controller
Mechanism, is respectively provided with a described pressure transducer, institute in each on-load switch on the inlet wire and transmission line circuit of described ring main unit
State pressure controller and be provided with the on-off circuit being controlled by pressure transducer, described valve control mechanism is used for controlling beating of relief valve
Open and close.
Further, described upper surface is provided with busbar channel and bus safeguard structure, described bus safeguard structure bag
Include perpendicular to four side plates of upper surface setting and connect and the top board parallel with upper surface with four side plates, at least described two
Individual side plate is provided with grid air vent, and described top board is provided with some air-vents.
Further, described top board and side plate are detachable each other, and described two side plates being parallel to each other are provided with card
Groove, described top board is connected on side plate by what draw-in groove slided.
Further, described top board is provided with hook part or the protuberance being easy to that pull top board slides along draw-in groove.
Further, described alarm is voice guard.
Further, described alarm is flash lamp alarm.
Further, it is provided with dividing plate in described explosion-proof ring main unit, described dividing plate isolates upper and lower two chambers, described fusing
Device and installing rack located at bottom chamber, described pressure transducer, pressure controller, alarm, relief valve and valve control mechanism
Indoor located at epicoele.
This utility model has the advantages that：Explosion-proof looped network cabinet of the present utility model is simple, and the suitability is high, has
Effect prevents contingency from occurring.
Brief description：
Fig. 1 is not provided with the schematic diagram of bus safeguard structure for the explosion-proof ring main unit of this utility model；
Fig. 2 is the schematic diagram of the explosion-proof ring main unit of this utility model；
Fig. 3 is the schematic diagram of another state of the explosion-proof ring main unit of this utility model；
Fig. 4 is the schematic diagram of control system in the explosion-proof ring main unit of this utility model.
Wherein：
Shell body 1, upper surface 11, on-load switch 2, fuse 3, cable 4, installing rack 5, fixing groove 51, bus protection knot
Structure 6, side plate 61, top board 62, grid air vent 63, draw-in groove 64, dividing plate 7, lower chambers 71, upper chamber 72.
Specific embodiment：
The utility model discloses a kind of explosion-proof ring main unit of new structure, this explosion-proof looped network cabinet is simple, Ke Yiyou
Effect prevents contingency from occurring.
As shown in Fig. 1 and Fig. 4, a kind of explosion-proof ring main unit, it include shell body 1, on-load switch 2, fuse 3 and with molten
The cable 4 that disconnected device 3 connects, on-load switch 2, fuse 3 are installed in shell body 1.Shell body 1 is rectangular shape.Shell body 1
It is provided with parallel to the ground and away from ground upper surface 11.It is provided with pressure transducer in explosion-proof ring main unit and pressure transducer connects
Relief valve that the alarm that the pressure controller connecing is connected with pressure controller is connected with pressure controller and with relief valve even
The valve control mechanism connecing, is respectively provided with a pressure and passes in each on-load switch on the inlet wire and transmission line circuit of explosion-proof ring main unit
Sensor, pressure controller is provided with the on-off circuit being controlled by pressure transducer, and valve control mechanism is used for controlling beating of relief valve
Open and close.
As shown in Figures 2 and 3, upper surface 11 is provided with busbar channel and bus safeguard structure 6.Busbar channel is located at mother
In line safeguard structure 6.Bus safeguard structure 6 include perpendicular to upper surface 11 setting four side plates 61 and with four side plates 61
Connect and the top board 62 parallel with upper surface 11, at least two side plates 61 are provided with grid air vent 63, in the present embodiment,
Top board 62 is surface plate, certainly in other embodiments, can arrange some air-vents and assist radiating on top board 62.
As shown in Fig. 2 top board 62 and side plate 61 are detachable each other, two being parallel to each other side plate 61 is provided with draw-in groove
64, top board 62 is connected to side plate 61 by what draw-in groove 64 slided.
Top board 62 is provided with hook part or the protuberance (not shown) being easy to that pull top board 62 slides along draw-in groove 64.So set
Put, simple to operation, increased convenience.
As shown in figure 1, the lower left in explosion-proof ring main unit is provided with to place the installing rack 5 of fuse 3, installing rack 5
Side is provided with the fixing groove 51 in order to fixed cable 4, and fixing groove 51 extends along direction perpendicular to the ground.It is arranged such, simplify
Cable layout internally.
Alarm is voice guard or flash lamp alarm.
As shown in figure 1, being provided with dividing plate 7 in explosion-proof ring main unit, dividing plate 7 isolates upper and lower two chambers, fuse 3 and installation
, in lower chambers 71, pressure transducer, pressure controller, alarm, relief valve and valve control mechanism are located at upper chamber for frame 5
In 72.
This utility model has the advantages that：Explosion-proof looped network cabinet of the present utility model is simple, and the suitability is high, has
Effect prevents contingency from occurring.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, some improvement can also be made on the premise of without departing from this utility model principle, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (7)
1. a kind of explosion-proof ring main unit, it is included shell body (1), on-load switch (2), fuse (3) and is connected with fuse (3)
Cable (4), described on-load switch (2), fuse (3) be installed in shell body (1), and described shell body (1) is cuboid
Shape, described shell body (1) be provided with parallel to the ground and upper surface (11) away from ground it is characterised in that：Described explosion-proof looped network
Lower left in cabinet is provided with to place the installing rack (5) of fuse (3), and the side of described installing rack (5) is provided with order to fixation
The fixing groove (51) of cable (4), described fixing groove (51) extends along direction perpendicular to the ground, is provided with pressure in described explosion-proof ring main unit
The alarm that the pressure controller that force transducer is connected with pressure transducer is connected with pressure controller and pressure controller connect
The relief valve connecing and the valve control mechanism being connected with relief valve, each load on the inlet wire and transmission line circuit of described ring main unit
It is respectively provided with a described pressure transducer, described pressure controller is provided with the on-off circuit being controlled by pressure transducer in switch,
Described valve control mechanism is used for controlling the opening and closing of relief valve.
2. explosion-proof ring main unit according to claim 1 it is characterised in that：Described upper surface (11) be provided with busbar channel with
And bus safeguard structure (6), described bus safeguard structure (6) include four side plates (61) arranging perpendicular to upper surface (11) with
And connect and the top board (62) parallel with upper surface (11) with four side plates (61), at least described two side plates (61) are provided with net
Grid air vent (63), described top board (62) is provided with some air-vents.
3. explosion-proof ring main unit according to claim 2 it is characterised in that：Described top board (62) is with side plate (61) each other
Detachably, described two side plates (61) being parallel to each other are provided with draw-in groove (64), and described top board (62) is passed through draw-in groove (64) and slided
Be connected on side plate (61).
4. explosion-proof ring main unit according to claim 3 it is characterised in that：Described top board (62) is provided with and is easy to pull top board
(62) hook part slided along draw-in groove (64) or protuberance.
5. explosion-proof ring main unit according to claim 1 it is characterised in that：Described alarm is voice guard.
6. explosion-proof ring main unit according to claim 1 it is characterised in that：Described alarm is flash lamp alarm.
7. explosion-proof ring main unit according to claim 1 it is characterised in that：It is provided with dividing plate (7), institute in described explosion-proof ring main unit
State dividing plate (7) and isolate upper and lower two chambers, described fuse (3) and installing rack (5) in lower chambers (71), described pressure
Sensor, pressure controller, alarm, relief valve and valve control mechanism are in upper chamber (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609849.3U CN206004202U (en) | 2016-06-20 | 2016-06-20 | A kind of explosion-proof ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609849.3U CN206004202U (en) | 2016-06-20 | 2016-06-20 | A kind of explosion-proof ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004202U true CN206004202U (en) | 2017-03-08 |
Family
ID=58205326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620609849.3U Expired - Fee Related CN206004202U (en) | 2016-06-20 | 2016-06-20 | A kind of explosion-proof ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206004202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990806A (en) * | 2016-06-20 | 2016-10-05 | 南京恒众机械有限公司 | Explosion-proof ring main unit |
| CN112260122A (en) * | 2020-10-26 | 2021-01-22 | 国网新疆电力有限公司吐鲁番供电公司 | 10kV insulation ring main unit |
-
2016
- 2016-06-20 CN CN201620609849.3U patent/CN206004202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990806A (en) * | 2016-06-20 | 2016-10-05 | 南京恒众机械有限公司 | Explosion-proof ring main unit |
| CN112260122A (en) * | 2020-10-26 | 2021-01-22 | 国网新疆电力有限公司吐鲁番供电公司 | 10kV insulation ring main unit |
| CN112260122B (en) * | 2020-10-26 | 2022-06-14 | 国网新疆电力有限公司吐鲁番供电公司 | 10kV insulation ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170620 |