CN1010821B - Double-throw disconnecting switch double bus bar high voltage switch cabinet - Google Patents
Double-throw disconnecting switch double bus bar high voltage switch cabinetInfo
- Publication number
- CN1010821B CN1010821B CN87106309A CN88103752A CN1010821B CN 1010821 B CN1010821 B CN 1010821B CN 87106309 A CN87106309 A CN 87106309A CN 88103752 A CN88103752 A CN 88103752A CN 1010821 B CN1010821 B CN 1010821B
- Authority
- CN
- China
- Prior art keywords
- double
- bus
- switch
- throw
- disconnecting switch
- 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
Links
Images
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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
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- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/06—Non-enclosed substations; Substations with enclosed and non-enclosed equipment gas-insulated
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- 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
- H01H9/02—Bases, casings, or covers
- H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Double-throw disconnecting switch double bus bar high voltage switch cabinet is equipped with double-bus, double-throw three position high voltage isolators and monolever operating mechanism thereof, and isolating switch three position automatic locking mechanisms and secondary voltage mechanism for automatically switching are housed.Pull operating grip and once just finish the back brake switching of double-throw disconnecting switch between double-bus, or isolate fully, and finish the locking of isolating switch and the switching of secondary voltage automatically with double-bus.Use a switch cubicle just can realize the double-bus distribution of a unit, its floor space, isolating switch and operating mechanism, operating grip, all more existing double-bus distribution device of grid switching operation number of times lack half, and will not cause the double-bus short circuit because of grid switching operation.
Description
The invention belongs to the power distribution field, especially a kind of double-bus high voltage distribution installation.
In the existing technology, adopt two high-tension switch cabinets or two installation layout mode to carry out double-bus distribution (see " power engineering design manual ", Science and Technology of Shanghai publishing house reprinted in 1978).Under this dual mode, carry out the double-bus distribution of a unit, all need layouts, two isolating switches, two cover operating mechanisms to be installed, to be used two operating grips to handle with two high-tension switch cabinets or two, therefore equipment is huge, many, the trivial operations of floor space, be easy to generate artificial operating accident, the two-way bus is short-circuited.
The objective of the invention is for the high pressure double-bus distribution provides that a kind of equipment is simple, floor space is few, simple operation, safe and reliable single high-tension switch cabinet or single double-bus high voltage distribution installation that the layout mode is installed.
This double-throw disconnecting switch double bus bar high voltage switch cabinet is to realize the high pressure double-bus distribution like this: on a high-tension switch cabinet (or an installation layout, together following) double-bus and double-throw three position high voltage isolators are housed, the operating mechanism of handling this isolating switch is housed, this operating mechanism has only an operating grip, vibrate this handle once, just finish the back brake of double-throw three position high voltage isolators between double-bus and switch, or oil switch and distribution line are isolated with double-bus fully.Automatic snap close in three positions and secondary voltage mechanism for automatically switching are housed on the operating mechanism, the operation of pulling handle finishes, said mechanism just is automatically locked at double-throw high voltage isolating switch on the selected run location, and the voltage circuit of table meter on the distribution line is automatically switched on the secondary voltage circuit of the bus of throwing.
Below in conjunction with accompanying drawing this high-tension switch cabinet is described further.
Fig. 1 is the structural representation of this double-throw disconnecting switch double bus bar high voltage switch cabinet.
This double-throw disconnecting switch double bus bar high voltage switch cabinet is by the double-throw three position high voltage isolators that link, monolever double link operating mechanism, the double-throw three position high voltage isolator locking mechanisms that link, the secondary voltage mechanism for automatically switching, compositions such as double-bus installation and framework, oil switch, instrument transformer.
The double-throw three position high voltage isolators (abbreviation double-throw disconnecting switch) that link have two groups of three-phase fixed contacts (5), (6) and two groups of moving plug-in strips (3) of three-phases, (4).Two groups of three-phase fixed contacts (5), (6) connect with two-way bus (1), (2) respectively.The moving plug-in strip (3) of two groups of three-phases, (4) link together by phase sequence and are connected to oil switch (25).
Link in two groups of moving plug-in strips (3) of three-phase, (4).Two groups of installation sites of moving plug-in strip (3), (4) are opposite, and their transmission arm (11), (12) installation sites separately are also opposite, but all are loaded on the same side of switch cubicle.When pulling operating grip (17), move in the same direction in two groups of moving plug-in strips (3), (4), but their moving target is opposite, and one group of trend is closed a floodgate, another group trend separating brake.
When first group of moving plug-in strip (3) closed a floodgate with first group of three-phase fixed contact (5), double-throw disconnecting switch was invested first via bus (1), and this moment, second group of moving plug-in strip (4) was in complete gate-dividing state with second group of fixed contact (6).This is first run location of double-throw disconnecting switch.When the moving plug-in strip (4) of second group of three-phase closed a floodgate with second group of three-phase fixed contact (6), double-throw disconnecting switch was invested the second road bus (2), and this moment, first group of moving plug-in strip (3) was in complete gate-dividing state with first group of fixed contact (5).This is second run location of double-throw disconnecting switch.When the moving plug-in strip (3) of two groups of three-phases, (4) when all being in complete gate-dividing state, double-throw disconnecting switch is isolated oil switch and external circuit fully with two-way bus (1), (2) on electric.This is the 3rd run location of double-throw disconnecting switch.
Every group of three-phase of double-throw disconnecting switch moves plug-in strip (3), (4) are driven by the Third Mate's transmission crank arm (7), (8) that are loaded on power transmission shaft (9), (10), one end of power transmission shaft (9), (10) has transmission arm (11), (12), and the connecting hole of transmission arm (11), (12) termination connects with the last connecting hole of Xiao Ding biconditional operation connecting rod (13), (14).Operator link (13), (14) drive power transmission shaft (9), (10) via transmission arm (11), (12), the revolution of power transmission shaft (9), (10) is moved Third Mate's transmission crank arm (7), (8) simultaneously, moves simultaneously thereby make three-phase move plug-in strip (3), (4).
Two groups of three-phases move the motion and the end-state thereof of plug-in strip (3), (4), are handled by two operator links (13), (14) by the monolever operating mechanism fully.
Monolever double link operating mechanism is to drive two operator links simultaneously with an operating grip, its base (21) is contained on the panel of switch cubicle, and the fulcrum hinge (18) of operating grip (17) is just on the base (21) of mechanism.Operating grip (17) has been located a connecting rod connecting hole (16) near base (21), and this hole is connected with second operator link (14) lower end connecting hole (16) with Xiao Ding.Operating mechanism has three annexes that driven by operating grip behind mounting panel, a connecting rod connecting hole is also arranged on last annex, and this hole is connected with first operator link (13) lower end with Xiao Ding.The upper end of two operator links (13), (14), two transmission arms (11), (12) with double-throw disconnecting switch connect with Xiao Ding respectively.
More than three parts constituted single operation handle dual operation connecting rod operating mechanism.Entire mechanism is a cover lever transmission mechanism, and former moving lever is operating grip (17).Because two connecting rod connecting holes (15), (16) are positioned at the both sides of operating grip hinge fulcrum (18), and, when pulling operating grip (17), the direction of motion of this two connecting hole (15), (16) is opposite, one moves upward, another moves downward, thereby makes two operator links (13), (14) also do the opposite motion of direction.
First operator link (13) drives first group of moving plug-in strip (3) by transmission arm (11).Second operator link (14) drives second group of moving plug-in strip (4) by transmission arm (12).Owing to two groups of moving plug-in strips (3), (4) and transmission arm (11) thereof, (12) installation site of double-throw disconnecting switch are opposite, when pulling operating grip (17), make two operator links (13), (14) when moving up and down, two groups of directions of motion of moving plug-in strip (3), (4) but are identical, but its moving target is still opposite, one group trends towards closing a floodgate, and another group trends towards separating brake.Because under initial state, the position of two operator links (13), (14) makes one group of moving plug-in strip (3) be in complete "on" position, the moving plug-in strip (4) of another group is in complete gate-dividing state.Therefore, no matter pull operating grip (17) up or down, two groups of moving plug-in strips (3), (4) all simultaneously towards a direction motion, the state that closes a floodgate simultaneously occurs never.Operating grip (17) is upwards pulled upper limit position, and first group of moving plug-in strip (3) closes a floodgate fully, and second group of moving plug-in strip (4) arrives the separating brake extreme position.Otherwise, operating grip (17) is pulled the lower position downwards, then second group of moving plug-in strip (4) closes a floodgate, and first group of moving plug-in strip (3) is in limit separating brake position.
Locking mechanism divides goes up snap close (19) and following snap close (20).Last snap close (19) is made up of automatic locking Xiao and a lock hole, and following snap close (20) is made up of automatic locking Xiao and two lock holes.Automatic locking Xiao of last snap close (19) is loaded on the panel middle cross beam, and lock hole is loaded on second operator link (14) lower end.Automatic locking Xiao of following snap close (20) is loaded on operating mechanism base (21), and two lock holes are positioned near the fulcrum hinge hole (18) of operating grip (17) bottom.
When pulling operating grip (17) to upper limit position, automatic locking Xiao of last snap close (19) inserts the lock hole on second operator link (14) automatically, automatic locking Xiao of following snap close (20) inserts the upper lock hole of operating grip (17) automatically, and this moment, double-throw disconnecting switch was locked in first run location.Upper and lower automatic locking Xiao is detached lock hole, pull operating grip (17) to the lower position, at this moment, bottom automatic locking Xiao inserts the next lock hole of operating grip (17) automatically, and isolating switch is locked in second run location.
When double-throw disconnecting switch had been in first run location, the connection Xiao Ding of second operator link (14) lower end was extracted in snap close in the maintenance (19) locking out, and second operator link (14) and operating grip (17) are broken away from.To descend snap close (20) automatic locking Xiao to detach upper lock hole, and pull operating grip (17) to the lower position, at this moment, following snap close (20) automatic locking Xiao inserts the next lock hole of handle (17) bottom automatically, and double-throw disconnecting switch is locked in the 3rd run location.
The secondary voltage mechanism for automatically switching is made up of the switching push button (24) that is contained in the briquetting (23) on second operator link and be contained on the table meter mounting panel.Briquetting (23) is contained in the bottom of second operator link (14).When double-throw disconnecting switch runs on primary importance, briquetting just in time is pressed on the switching push button (24), the normal opened contact on the button (24) will be shown the meter secondary voltage circuit and be switched on the secondary voltage circuit of first bus.
When operating grip (17) when pulling downwards, second operator link (14) not only moves down but also move backward, makes briquetting unclamp switching push button (24) gradually, cuts off the secondary voltage of first via bus (1).The normally closed contact of switching push button this moment (24) is still not closed, when the complete same switching push button of briquetting (23) (24) separates, normally closed contact on the button (24) is just closed, will show the meter secondary voltage and switch on the secondary voltage circuit of the second road bus (2).When the angle of pulling when handle surpasses 75 °, the bottom of second operator link (14) is when maintenance is descending, but transfer to and moving forward, but because briquetting (23) has gone downwards to the another location, even briquetting (23) can not touch switching push button (24) to reach yet, can not influence the secondary voltage switching state.When operating grip (17) when pulling upper limit position by the lower position, double-throw disconnecting switch switches to first run location by second run location.Second operator link this moment (14) takes place with the opposite motion of above-mentioned process, briquetting (23) was upwards moved before this backward, after handle (17) is pulled and is surpassed 75 °, transfer to upwards to reach, behind certain position, briquetting (23) touches switching push button (24), and normally closed contact is disconnected, and cuts off the secondary voltage circuit of the second road bus (2) and the passage of table meter.At this moment, the normal opened contact of switching push button (24) is access failure still, briquetting (23) continues upwards to reach, up to operating grip (17) when arriving at upper limit position, briquetting (23) just compresses switching push button (24), its normal opened contact is connected, be switched on the secondary voltage circuit of first via bus (1) thereby will show the meter voltage circuit.
The double-bus mounting bracket is arranged, in order to supporting insulator, fixedly double-bus (1), (2) to be installed on the high-voltage board.(26) among Fig. 1 are the oil switch operating mechanism, and (27) are current transformer, and (28) are cable end, and (29) are dividing plate.
The double-throw of this high-tension switch cabinet three position high voltage isolators that link have three run locations, can invest arbitrary road bus of double-bus, and two groups of moving plug-in strips are isolated with double-bus fully.Double-throw disconnecting switch double bus bar high voltage switch cabinet series be can constitute, double-throw disconnecting switch, double-bus high voltage distribution installation installation interval series also can be constituted.This switch cubicle has only an operating grip, only need pull operating grip once, just can finish grid switching operation, or realize that circuit and double-bus (1), (2) isolate fully, locking and the secondary voltage of finishing isolating switch in once-through operation simultaneously automatically switch, and the phenomenon of two-way busbar short-circuit can not take place to cause because of grid switching operation, the possibility that the moving plug-in strip of two groups of three-phases closes a floodgate simultaneously also appears never.
This double-throw disconnecting switch double bus bar high voltage switch cabinet is simple in structure, volume is little, can significantly reduce investment and construction period, simple operation, safe and reliable.Be applicable to power plant, transformer station, 10 kilovolts of double-bus distributions of factory and enterprise, and original single busbar connection distribution transformation is a double-bus distribution.
Claims (3)
1, a kind of double-throw disconnecting switch double bus bar high voltage switch cabinet, form by oil switch, framework, instrument transformer, double-bus etc., it is characterized in that: have one opposite by two groups of installation sites, under the operating mechanism of monolever dual operation connecting rod drives, the high pressure double-throw disconnecting switch that constitutes towards the moving plug-in strip of a direction motion simultaneously.
2, high pressure double-throw disconnecting switch as claimed in claim 1 is characterized in that: each mutually all has two moving plug-in strips that the installation site is opposite, and three of the installation site unanimity constitute one group to moving plug-in strip and move plug-in strip, totally two groups in the three-phase.
3, operating mechanism as claimed in claim 1 is characterized in that: two operator links are connected on the power transmission shaft that drives two groups of moving plug-in strips on the transmission arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87106309A CN1010821B (en) | 1988-06-16 | 1988-06-16 | Double-throw disconnecting switch double bus bar high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87106309A CN1010821B (en) | 1988-06-16 | 1988-06-16 | Double-throw disconnecting switch double bus bar high voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1038550A CN1038550A (en) | 1990-01-03 |
| CN1010821B true CN1010821B (en) | 1990-12-12 |
Family
ID=4832737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87106309A Expired CN1010821B (en) | 1988-06-16 | 1988-06-16 | Double-throw disconnecting switch double bus bar high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1010821B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070544C (en) * | 1995-09-11 | 2001-09-05 | 三菱人造丝株式会社 | Flat filaments provided with ribs and raw fibers for pile fabrics |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683090A (en) * | 2012-05-17 | 2012-09-19 | 浙江纪元高压电器开关有限公司 | Interlocking device for double-throw disconnecting switch |
| CN103944098B (en) * | 2014-04-23 | 2016-06-15 | 宁波耐森电气科技有限公司 | A kind of inflated type breaker cabinet |
| CN108767683B (en) * | 2018-07-18 | 2024-01-19 | 河南森源电气股份有限公司 | High-voltage switch cabinet |
-
1988
- 1988-06-16 CN CN87106309A patent/CN1010821B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070544C (en) * | 1995-09-11 | 2001-09-05 | 三菱人造丝株式会社 | Flat filaments provided with ribs and raw fibers for pile fabrics |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1038550A (en) | 1990-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |