CN106921121B - A kind of SF6 all insulations dual power supply cabinet - Google Patents
A kind of SF6 all insulations dual power supply cabinet Download PDFInfo
- Publication number
- CN106921121B CN106921121B CN201710269952.7A CN201710269952A CN106921121B CN 106921121 B CN106921121 B CN 106921121B CN 201710269952 A CN201710269952 A CN 201710269952A CN 106921121 B CN106921121 B CN 106921121B
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- Prior art keywords
- switch
- load
- way
- wire
- road
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
A kind of SF6 all insulations dual power supply cabinet, including cabinet, twin-power switch main body, dual supply operation mechanism；The cabinet includes the secondary meter room at the top of dual power supply, it is installed on the switching device of control room, the mechanism chamber of middle section, gas tank gas pressure observation window, wire inlet loop divide-shut brake indicator hole all the way, two road wire inlet loop divide-shut brake indicator holes, three position mechanism handle hole, wire inlet loop is grounded handle hole all the way, wire inlet loop ground connection instruction all the way, two road wire inlet loops are grounded handle hole, two road wire inlet loop ground connection instructions, inlet wire potential indicator all the way, two road inlet wire potential indicators, inlet wire cable vault all the way, two roads inlet wire cable vault.The present invention uses integrative design, high tension loop to use gas all insulation, reduces the small product size of identical function scheme, also reduces cost.
Description
Technical field
The present invention relates to power cabinet construction applications, and in particular to a kind of SF6 all insulations dual power supply cabinet.
Background technology
With the development of society, people are also higher and higher to power supply reliability requirement.It needs to ensure to supply with reliable source of power
Electricity, this requires a kind of product that can carry out reliably, quickly switching over power supply between multiple power supplys, ensures that user is reliable
Power supply.It is domestic that division reality is generally controlled by backup auto-activating device using two switches at present in middle pressure 10kV electric system
Now switch；Two complete incoming line switch cabinet cooperation voltage transformers and backup auto-activating device are needed when specific implementation, it is with high costs,
Mechanical interlocking complexity, which causes mechanical interlocking is not configured in most cases, only relies on electric interlock, and performance is unreliable.In practical application
In, when encountering primary power cource power failure, stand-by power supply cannot be rapidly switched to or cause two-way electric because interlocking unreliable manual operation
Source cyclization causes larger economic loss or electric power accident.The 10kV double power-supply systems for meeting functional requirement at present are exhausted using air
Edge, two sets of independent switch ontologies and operating mechanism, backup auto-activating device control switching, voltage transformer acquisition main power supply charge shape
State, leads to that program ambient adaptability is poor, installation volume is huge, use and maintenance is complicated, operational process high failure rate, cost are high
It is expensive, hinder the popularization and application of double-power intelligent switching product in intermediate voltage electric power system.
Invention content
The object of the present invention is to provide a kind of SF6 all insulations dual power supply cabinets.
The present invention above-mentioned technical purpose technical scheme is that：A kind of SF6 all insulations dual power supply
Cabinet, including cabinet, twin-power switch main body, dual supply operation mechanism；
The cabinet includes secondary meter room at the top of dual power supply, is installed on control room switching device, middle section
Mechanism chamber, gas tank gas pressure observation window, all the way wire inlet loop divide-shut brake indicator hole, two road wire inlet loop divide-shut brakes instructions
Hole, three position mechanism handle hole, all the way wire inlet loop ground connection handle hole, all the way instruction of wire inlet loop ground connection, two road wire inlet loops
Be grounded handle hole, two road wire inlet loops ground connection instructions, all the way inlet wire potential indicator, two road inlet wire potential indicators, all the way into
Line cable vault, two road inlet wire cable vaults；
Double power-supply load swith is provided in the twin-power switch main body, the double power-supply load swith is loaded on closed
In stainless steel gas tank, SF6 insulating gas is filled in the stainless steel gas tank；Dual supply operation mechanism is loaded on mechanism chamber, and by negative
Lotus switchs axle envelope, the on-load switch of earthing switch axle envelope difference actuating wire inlet loop, earthing switch division.
As a preference of the present invention, the double power-supply load swith includes on-load switch, earthing switch, the load is opened
It closes and is fixed on steelframe by insulator foot with the earthing switch；The on-load switch is set on the earthing switch
Side.
As a preference of the present invention, the on-load switch includes on-load switch static contact, on-load switch moving contact, arc extinguishing
Grid, on-load switch moving contact binding post, insulation connecting lever, on-load switch shaft.
It is opened as a preference of the present invention, the earthing switch includes static contact of grounding switch, moving contact of grounding switch, ground connection
Close moving contact binding post, insulation connecting lever, ground switch rotating shaft.
As a preference of the present invention, the on-load switch static contact and be arranged the cabinet left and right sides go out casing connect
It connects；The on-load switch moving contact binding post is connect with the moving contact of grounding switch binding post, and dynamic with the earthing switch
Contact binding post one, which removes, is connected to entrance bushing.
As a preference of the present invention, the double power-supply load swith is fixed on by fixed hole position in the stainless steel gas tank
Interior, the on-load switch shaft, the ground switch rotating shaft pass through the on-load switch axle envelope, the earthing switch axle envelope respectively
It is connect with the operating mechanism of dual-power switch.
As a preference of the present invention, be provided with two-way entrance bushing in the twin-power switch main body, per road described in into
Thread casing connects power circuit；The bottom of the twin-power switch main body is provided with relief valve, the twin-power switch main body
The left and right sides casing is installed out.
As a preference of the present invention, the operating mechanism of dual-power switch include a three-stations load switch mechanism,
Two two stations ground connection operating mechanisms, decelerating motor, excessive gear, half gear, driving gears；Half gear and the mistake
It spends gear and driving gear engagement, the decelerating motor drives the excessive gear to drive half gear when rotating
Rotation.
In conclusion the present invention has the advantages that：
1, twin-power switch cabinet uses integrative design, high tension loop to use gas all insulation, reduces identical function
The small product size of scheme, also reduces cost；
2, twin-power switch cabinet each section component is all made of standardized designs, makes product in actual installation, use, repairs more
Add conveniently, overall performance is also relatively reliable, reduces the failure rate of operational process；
3, a high tension loop is designed using all insulation, and degree of protection reaches IP67, and environmental suitability greatly improves, can be
It is used under harsh environment；
4, two-way power supply on-load switch uses a set of three station operating mechanism, make it is completely isolated between two-way high voltage power supply,
It ensure that cyclization situation does not occur for two-way power supply；
5, it is controlled by device for intelligently switching, realizes standby usage quick power switching, avoid user caused by long time electric supply failure
Excessive economic loss improves reliability, the high efficiency of power supply system.
Description of the drawings
Fig. 1 is cabinet example structure schematic diagram of the present invention；
Fig. 2 is double power-supply load swith embodiment side structure schematic view of the present invention；
Fig. 3 is double power-supply load swith embodiment positive structure diagram of the present invention；
Fig. 4 is twin-power switch body embodiment structural schematic diagram of the present invention；
Fig. 5 is operating mechanism of dual-power switch embodiment positive structure diagram of the present invention；
Fig. 6 is operating mechanism of dual-power switch embodiment side structure schematic view of the present invention；
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
The embodiment of the present invention includes cabinet, twin-power switch main body, dual supply operation mechanisms.
As shown in Figure 1, the cabinet of the embodiment of the present invention includes secondary meter room 101 at the top of dual power supply, is installed on instrument
The switching device 104 of room, the mechanism chamber of middle section 102, gas tank gas pressure observation window 105, all the way wire inlet loop divide-shut brake
Indicator hole 111, two road wire inlet loop divide-shut brake indicator holes 112, three position mechanism handle hole 109, all the way wire inlet loop ground connection behaviour
Make that hole 113,116, two road wire inlet loops ground connection handle holes 114 of wire inlet loop ground connection instruction, two road wire inlet loops ground connection refer to all the way
Show 115, all the way inlet wire potential indicator 106, two road inlet wire potential indicators 107, all the way inlet wire cable vault 110, two road inlet wires
Cable vault 108；Switching device 104 is using common switching switch or the intelligent switch of other power cabinets.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, it is negative that dual power supply is provided in twin-power switch main body of the embodiment of the present invention
Lotus switchs, and double power-supply load swith is loaded in closed stainless steel gas tank 301, and SF6 insulating gas is filled in stainless steel gas tank 301；
Dual supply operation mechanism is loaded on mechanism chamber 102, and distinguishes actuating inlet wire by on-load switch axle envelope 303, earthing switch axle envelope 305
The on-load switch in circuit, earthing switch division.
As shown in Figure 2 and Figure 3, double power-supply load swith of the embodiment of the present invention includes on-load switch, earthing switch, and load is opened
It closes and is fixed on steelframe 201 by insulator foot 202 with earthing switch；On-load switch is set to above earthing switch.Load
Switch includes on-load switch static contact 204, on-load switch moving contact 211, arc-chute 205, on-load switch moving contact binding post
206, insulate connecting lever 209, on-load switch shaft 203.Earthing switch includes static contact of grounding switch 210, moving contact of grounding switch
212, moving contact of grounding switch binding post 208, insulation connecting lever 209, ground switch rotating shaft 207.On-load switch static contact 204 with set
The casing 308 that goes out set in cabinet left and right sides connects；On-load switch moving contact binding post 206 and moving contact of grounding switch binding post
208 connections, and removed with moving contact of grounding switch binding post 208 and be connected to entrance bushing 302.Double power-supply load swith passes through solid
Determine hole position 213 to be fixed in 301 in stainless steel gas tank, on-load switch shaft 203, ground switch rotating shaft 207 pass through load respectively
Switch axle envelope 303, earthing switch axle envelope 305 are connect with operating mechanism of dual-power switch.
As shown in figure 4, be provided with two-way entrance bushing 302 in the twin-power switch main body of the embodiment of the present invention, per road into
Thread casing 302 connects power circuit；The bottom of twin-power switch main body is provided with relief valve 306, a left side for twin-power switch main body
Right both sides are installed out by casing 308.Front is equipped with SF6 gas gauges 307, SF6 gas inflateds hole 309, on-load switch axle envelope
303, earthing switch axle envelope 305, operating mechanism mounting bracket 304.
As shown in Figure 5, Figure 6, operating mechanism of dual-power switch of the embodiment of the present invention includes a three-stations load switch machine
Structure, two two stations ground connection operating mechanisms, decelerating motor 406, excessive gear 414, half gear 413, driving gear 412 and use
In the electric operating controller 404 of the electronic division of control three-stations load switch mechanism；Half gear 413 and excessive gear 414 with
And the engagement of driving gear 412 in the left and right sides is set, driving excessive gear 414 is to drive half tooth when decelerating motor 406 rotates
413 rotation of wheel.It is interlocked by two pull rods and three-stations load switch mechanism per two station of side ground connection operating mechanism, is passed through simultaneously
Shutdown pressing plate 408, ground pin 407 and cable chamber door 108,110 interlock.Three-stations load switch mechanism action process：It is electronic
It drives half gear 413 or half gear operating shaft 403 of manual rotary operation that left and right driving gear 412 is made to rotate, drives left and right load
Switch 401 quick division of driving shaft；Locking travel switch 409 acts when handle is inserted into half gear operating shaft 403 when manual operation,
Electric operating is isolated；Three-stations load switch mechanism is converted in division process, linkage on-load switch auxiliary switch 405, and
It is linked by pull rod under "on" position and is grounded the earthing switch operation of the locking combined floodgate of latch-down baffle 415 side.Two stations are grounded operation machine
Structure only allows to be manually operated, and need to be grounded locking gear in the case where this side on-load switch is located at gate-dividing state and cable chamber door closes state
The opening of plate 415 can be operated；After contact of earth, ground pin 407 moves upwards unlock cable chamber door, while passing through pull rod
It is latched three-stations load switch mechanism；After being grounded separating brake, ground pin 407 moves downward locking cable chamber door, while passing through drawing
Bar unlocks three-stations load switch mechanism.The door of inlet wire cable vault 110 and two road inlet wire cable vaults 108 is latched pressing plate all the way
408, ground pin 407 is mounted on crossbeam 411, and inlet wire cable vault 110, two road inlet wire cable vaults, 108 moving process are logical all the way
It crosses locking pressing plate 408 and is latched the ground connection operating mechanism operation of two stations.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (4)
1. a kind of SF6 all insulations dual power supply cabinet, it is characterised in that：Including cabinet, twin-power switch main body, dual supply operation machine
Structure；
The cabinet includes the secondary meter room at the top of dual power supply（101）, be installed on the switching device of control room（104）, in
Between part mechanism chamber（102）, gas tank gas pressure observation window（105）, wire inlet loop divide-shut brake indicator hole all the way（111）, two
Road wire inlet loop divide-shut brake indicator hole（112）, three position mechanism handle hole（109）, all the way wire inlet loop be grounded handle hole
（113）, all the way wire inlet loop ground connection instruction（116）, two road wire inlet loops be grounded handle holes（114）, two road wire inlet loops ground connection
Instruction（115）, inlet wire potential indicator all the way（106）, two road inlet wire potential indicators（107）, inlet wire cable vault all the way
（110）, two road inlet wire cable vaults（108）；
Double power-supply load swith is provided in the twin-power switch main body, the double power-supply load swith is loaded on closed stainless
Steel gas tank（301）In, the stainless steel gas tank（301）Inside fill SF6 insulating gas；The double power-supply load swith includes load
Switch, earthing switch；Dual supply operation mechanism is loaded on mechanism chamber（102）, and pass through on-load switch axle envelope（303）, earthing switch
Axle envelope（305）The on-load switch of actuating wire inlet loop, earthing switch division respectively；
The on-load switch includes on-load switch static contact（204）, on-load switch moving contact（211）, arc-chute（205）, it is negative
Lotus switch movable contact binding post（206）, insulation connecting lever（209）, on-load switch shaft（203）；
The earthing switch includes static contact of grounding switch（210）, moving contact of grounding switch（212）, moving contact of grounding switch connects
Terminal（208）, insulation connecting lever（209）, ground switch rotating shaft（207）；
The on-load switch static contact（204）Go out casing in the cabinet left and right sides with being arranged（308）Connection；The load is opened
Close moving contact binding post（206）With the moving contact of grounding switch binding post（208）Connection, and with the moving contact of grounding switch
Binding post（208）One removes and is connected to entrance bushing（302）；
It is provided with two-way entrance bushing in the twin-power switch main body（302）, per entrance bushing described in road（302）Connection electricity
Source circuit；The bottom of the twin-power switch main body is provided with relief valve（306）, the left and right two of the twin-power switch main body
Side is installed out by casing（308）.
2. a kind of SF6 all insulations dual power supply cabinet according to claim 1, it is characterised in that：The on-load switch with it is described
Earthing switch passes through insulator foot（202）It is fixed on steelframe（201）On；The on-load switch is set on the earthing switch
Side.
3. a kind of SF6 all insulations dual power supply cabinet according to claim 1, it is characterised in that：The double power-supply load swith
Pass through fixed hole position（213）It is fixed in the stainless steel gas tank（301）It is interior, the on-load switch shaft（203）, the ground connection
Switch shaft（207）Pass through the on-load switch axle envelope respectively（303）, the earthing switch axle envelope（305）With the dual power supply
Switch operating mechanism connects.
4. a kind of SF6 all insulations dual power supply cabinet according to claim 1, it is characterised in that：The twin-power switch behaviour
It includes a three-stations load switch mechanism, two two stations ground connection operating mechanisms, decelerating motors to make mechanism（406）, excessive tooth
Wheel（414）, half gear（413）, driving gear（412）；Half gear（413）With the excessive gear（414）And institute
State driving gear（412）Engagement, the decelerating motor（406）The excessive gear is driven when rotation（414）To drive described half
Gear（413）Rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269952.7A CN106921121B (en) | 2017-04-24 | 2017-04-24 | A kind of SF6 all insulations dual power supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269952.7A CN106921121B (en) | 2017-04-24 | 2017-04-24 | A kind of SF6 all insulations dual power supply cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921121A CN106921121A (en) | 2017-07-04 |
| CN106921121B true CN106921121B (en) | 2018-10-16 |
Family
ID=59568159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710269952.7A Active CN106921121B (en) | 2017-04-24 | 2017-04-24 | A kind of SF6 all insulations dual power supply cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921121B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5631814A (en) * | 1995-06-16 | 1997-05-20 | Abraham Lavsky | Uninterruptible power supply based on non-invasive connection of backup circuit to switch power supply |
| CN201336525Y (en) * | 2009-01-05 | 2009-10-28 | 浙宝电气(杭州)集团有限公司 | Inflated ring network switch equipment in one tank type |
| CN201910658U (en) * | 2010-12-10 | 2011-07-27 | 福州天一同益电气有限公司 | Novel dual power load switch |
| CN203277204U (en) * | 2012-11-07 | 2013-11-06 | 川开电气股份有限公司 | Novel dual-power vacuum load switch |
| CN203445687U (en) * | 2013-08-29 | 2014-02-19 | 珠海康晋电气有限公司 | SF6 dual-supply spare auto-switching-on ring network cabinet |
| CN105375380B (en) * | 2015-11-25 | 2017-07-07 | 南京四方致捷开关有限公司 | A kind of air insulation duplicate supply looped network cabinet |
| CN106451741B (en) * | 2016-08-25 | 2019-05-03 | 湖州泰伦电力设备有限公司 | A kind of 10KV dual power supply gas-filling cabinet system |
| CN206697827U (en) * | 2017-04-24 | 2017-12-01 | 湖州泰伦电力设备有限公司 | A kind of SF6 all insulations dual power supply cabinet |
-
2017
- 2017-04-24 CN CN201710269952.7A patent/CN106921121B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106921121A (en) | 2017-07-04 |
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