CN106486318A - A kind of vacuum load switch - Google Patents
A kind of vacuum load switch Download PDFInfo
- Publication number
- CN106486318A CN106486318A CN201611115251.XA CN201611115251A CN106486318A CN 106486318 A CN106486318 A CN 106486318A CN 201611115251 A CN201611115251 A CN 201611115251A CN 106486318 A CN106486318 A CN 106486318A
- Authority
- CN
- China
- Prior art keywords
- insulating cylinder
- housing
- base
- isolation knife
- load 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to switching technique field, a kind of especially vacuum load switch, the Switch main body includes base, the upper end edge of the base is transversely provided with multigroup parallel isolation knife assembly, all include to be fixedly mounted on the first insulating cylinder of base upper end side per group isolation knife assembly, the base is provided with second insulating cylinder corresponding with the first insulating cylinder away from the side of the first insulating cylinder, the upper end of each first insulating cylinder is all hinged with isolation knife, each described isolation knife is located at the first insulating cylinder and the end of the second insulating cylinder is all hinged with insulating bar, on the base, edge longitudinally rotates and is provided with bull stick, the bull stick is all rotated by swing arm with the lower end of each insulating bar and is connected, stored energy mechanism is respectively connected between each swing arm and base.The present invention efficiently solves the spring of stored energy mechanism and exposes and is easily damaged outside, and the relatively low problem of stability of disconnecting link, and service life is longer, and using effect is more preferable.
Description
Technical field
The present invention relates to switching technique field, more particularly to a kind of vacuum load switch.
Background technology
The operation principle of on-load switch is similar to breaker, is generally equipped with simple arc-control device, but its structure is simpler
Single.During separating brake, in the presence of tripping spring, main shaft turns clockwise, and on the one hand makes piston upwards by slider-crank mechanism
Mobile, by gas compression；On the other hand by the transmission system of two sets of quadric chain compositions, main switch knife is made first to open, then
Arc extinguishing plug-in strip is promoted to open arcing contact, the compressed air in cylinder blows out electric arc by spout.During combined floodgate, by main shaft and biography
Dynamic system, makes main switch knife and arc extinguishing plug-in strip while turning clockwise, arcing contact is first closed；Main shaft is rotated further, make main contact with
After close.Stored energy mechanism is mounted on on-load switch, is easy to be fixed disconnecting link in folding and when closing, traditional energy storage
Mechanism is typically all only with a spring, and spring exposes and is easily damaged outside, and fixes the stability of disconnecting link when using
Relatively low, to this, we release a kind of vacuum load switch.
Content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of vacuum load switch for proposing.
To achieve these goals, following technical scheme present invention employs：
A kind of vacuum load switch is designed, including Switch main body, the Switch main body includes base, the upper end of the base
Multigroup parallel isolation knife assembly is transversely provided with, is all included to be fixedly mounted on base upper end side per group isolation knife assembly
First insulating cylinder, the base are provided with second insulating cylinder corresponding with the first insulating cylinder away from the side of the first insulating cylinder, per
The upper end of individual first insulating cylinder is all hinged with isolation knife, and one end of the isolation knife passes through to touch with the upper end of the second insulating cylinder
Head is flexibly connected, and the upper end of each first insulating cylinder is equipped with vacuum interrupter, and the isolation knife is away from the first insulating cylinder
One end be flexibly connected by contact with vacuum interrupter, each described isolation knife is located at the first insulating cylinder and the second insulating cylinder
End is all hinged with insulating bar, and on the base, edge longitudinally rotates and is provided with bull stick, the lower end of the bull stick and each insulating bar
All connection is rotated by swing arm, each described swing arm all includes two stators being fixedly connected with bull stick, two fixations
It is connected by axis of rotation with insulating bar between piece, between each swing arm and base, is respectively connected with stored energy mechanism.
Preferably, each described stored energy mechanism all includes to be arranged in the housing of the first insulating cylinder side, also includes to draw
Bar, one end of the pull bar are rotatably installed in the middle part of stator, and one end of the pull bar is rotatablely equipped with push rod, the push rod
Slide block is installed, the inner chamber of the housing is provided with the spring being connected with slide block through housing and in housing.
Preferably, each described stored energy mechanism all includes to be arranged in the housing of the first insulating cylinder side, also includes to draw
Bar, one end of the pull bar are rotatably installed in the middle part of stator, and one end of the pull bar is rotatablely equipped with push rod, the push rod
Slide block is installed through housing and in housing, the slide block is provided with corresponding near the side of push rod with the inwall of housing
Strong magnets, and slide block is connected by strong magnets adhesive with the inwall of housing.
Preferably, the upper end of the housing is provided with the accumulator being connected with housing cavity, and accumulator be provided with note
Hydraulic fluid port.
Preferably, the inwall of the housing and outside are equipped with magnetic shield, and the magnetic shield is iron-nickel alloy
Metal level.
Preferably, the pull bar includes two fix bars, and one end of two fix bars is respectively hinged at two fixations
One middle side part of piece, two fix bars are away from being connected by axis of rotation with push rod between one end of stator.
Preferably, reinforcing arm is installed between in the middle part of two fix bars.
Preferably, one end of the bull stick is provided with action bars.
A kind of vacuum load switch proposed by the present invention, beneficial effect are：When bull stick is rotated clockwise or counterclockwise,
Pull bar is all subject to carry out the thrust of robot arm, and when pull bar is located at same level with push rod, the thrust that now spring is subject to is maximum, when
Pull bar near one end of stator above or below when, thrust that now spring is subject to is minimum, and pull bar above or
Stroke during lower section is equal, for automatic fixing isolation knife, makes to fix being respectively provided with certain damping when isolation knife is opened and closed, it is necessary to contact
External force is driven, safer using electricity work, and spring is installed in housing, is made the service life of spring longer, is used
Effect is more preferable.
Description of the drawings
Fig. 1 is a kind of overlooking the structure diagram of vacuum load switch proposed by the present invention；
Fig. 2 is a kind of side, sectional structural representation of vacuum load switch proposed by the present invention；
Fig. 3 is a kind of stored energy mechanism structural representation of vacuum load switch proposed by the present invention；
Fig. 4 is a kind of pull bar of vacuum load switch proposed by the present invention and boom structure schematic diagram；
Fig. 5 is a kind of another example structure schematic diagram of stored energy mechanism of vacuum load switch proposed by the present invention.
In figure：Base 1, the first insulating cylinder 2, the second insulating cylinder 3, vacuum interrupter 4, insulating bar 5, isolation knife 6, bull stick 7,
Swing arm 8, pull bar 9, housing 10, push rod 11, spring 12, slide block 13, accumulator 14, strong magnets 15, stator 16, fix bar
17th, arm 18 is reinforced.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
Reference picture 1-4, a kind of vacuum load switch, including Switch main body, Switch main body includes base 1, the upper end of base 1
Multigroup parallel isolation knife assembly is transversely provided with, is all included to be fixedly mounted on 1 upper end side of base per group isolation knife assembly
The first insulating cylinder 2, base 1 is provided with second insulating cylinder 3 corresponding with the first insulating cylinder 2 away from the side of the first insulating cylinder 2,
The upper end of the first insulating cylinder 2 is all hinged with isolation knife 6, and one end of isolation knife 6 is movable by contact with the upper end of the second insulating cylinder 3
Connection, the upper end of each the first insulating cylinder 2 is equipped with vacuum interrupter 4, isolation knife 6 away from the first insulating cylinder 2 one end with true
Empty arc-chutes 4 are flexibly connected by contact, forward are realized cut-offfing road with reverse rotation by isolation knife 6.
Each isolation knife 6 is located at the first insulating cylinder 2 and the end of the second insulating cylinder 3 is all hinged with insulating bar 5, insulating bar 5
For pulling isolation knife 6 to be moved upwardly or downwardly, for realizing the folding respectively with circuit of 6 two ends of isolation knife, along vertical on base 1
To bull stick 7 is rotatablely equipped with, bull stick 7 is all rotated by swing arm 8 with the lower end of each insulating bar 5 and is connected, and each swing arm 8 all includes
The stator 16 that two are fixedly connected with bull stick 7, is connected by axis of rotation with insulating bar 5 between two stators 16, bull stick 7
For controlling insulating bar 5, the up and down motion of insulating bar 5 is driven by swing arm 8, and one end of bull stick 7 is provided with action bars, for grasping
Make bull stick 7 to be rotated both clockwise and counterclockwise.
Stored energy mechanism is respectively connected between each swing arm 8 and base 1, each stored energy mechanism all includes to be arranged in first
The housing 10 of 2 side of insulating cylinder, also includes pull bar 9, and one end of pull bar 9 is rotatably installed in the middle part of stator 16, the one of pull bar 9
End is rotatablely equipped with push rod 11, and push rod 11 is provided with slide block 13 through housing 10 and in housing 10, and the inner chamber of housing 10 is provided with
The spring 12 being connected with slide block 13, when bull stick 7 is rotated clockwise or counterclockwise, pull bar 9 is all subject to pushing away for robot arm 8
Power, when pull bar 9 is located at same level with push rod 11, the thrust that now spring 12 is subject to is maximum, when pull bar 9 is near stator 16
One end above or below when, thrust that now spring 12 is subject to is minimum, and pull bar 9 above or below when stroke
Equal, for automatic fixing isolation knife 6, make to fix when isolation knife 6 is opened and closed, being respectively provided with certain damping, it is necessary to contact external force and driven
Dynamic, safer using electricity work, the upper end of housing 10 is provided with the accumulator 14 with 10 intracavity inter-connection of housing, and accumulator 14
Pouring orifice is provided with, stores, in housing 10, the lubricating oil for preventing spring corrosion or interim card, accumulator 14 is used for lubricating oil
Transition, when push rod 11 promotes slide block 13,10 cavity volume of housing reduces, and lubricating oil enters accumulator 14.
Pull bar 9 includes two fix bars 17, and one end of two fix bars 17 is respectively hinged at the side of two stators 16
Middle part, two fix bars 17 make the structure of pull bar 9 away from being connected by axis of rotation with push rod 11 between one end of stator 16
More stable, made by two fix bars 17 insulating bar 5 up and down motion when more stable, will not run-off the straight situation, two are solid
Fixed pole is provided with reinforcing arm 18 between 17 middle part, for the reinforcing to two fix bars 17 so as to more firm.
With reference to Fig. 5, as another preferred embodiment of the present invention, each energy storage is only difference is that with a upper embodiment
Mechanism all includes the housing 10 for being arranged in 2 side of the first insulating cylinder, also includes pull bar 9, and one end of pull bar 9 is rotatably installed in
The middle part of stator 16, one end of pull bar 9 are rotatablely equipped with push rod 11, and push rod 11 is installed through housing 10 and in housing 10
There is slide block 13, slide block 13 is provided with corresponding strong magnets 15, and slide block 13 near the side of push rod 11 with the inwall of housing 10
It is connected by 15 adhesive of strong magnets with the inwall of housing 10, when bull stick 7 is rotated clockwise or counterclockwise, pull bar 9 is all subject to
Carry out the thrust of robot arm 8, when pull bar 9 is located at same level with push rod 11, the thrust that now spring 12 is subject to is maximum, works as pull bar
9 near one end of stator 16 above or below when, thrust that now spring 12 is subject to is minimum, and pull bar 9 is above
Or stroke during lower section is equal, the effect of strong magnets 15 is identical with the effect of spring 12, is used to fix slide block 13, for certainly
Dynamic fixing isolation knife 6, makes to fix being respectively provided with certain damping when isolation knife 6 is opened and closed, it is necessary to contact external force and be driven, using electrician
Make safer, and spring 12 is installed in housing 10, makes the service life of spring 12 longer, using effect more preferably, housing 10
Inwall and outside be equipped with magnetic shield, magnetic shield be iron-nickel alloy metal level, for shielding strong magnets 15
Magnetic, prevents strong magnets 15 from sucking some other metallics and causing to use electric fault.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (8)
1. a kind of vacuum load switch, including Switch main body, the Switch main body includes base (1), the upper end of base (1)
Multigroup parallel isolation knife assembly is transversely provided with, is all included to be fixedly mounted on base (1) upper end one per group isolation knife assembly
First insulating cylinder (2) of side, base (1) away from the first insulating cylinder (2) side be provided with corresponding with the first insulating cylinder (2)
The second insulating cylinder (3), it is characterised in that the upper end of each the first insulating cylinder (2) is all hinged with isolation knife (6), described
One end of isolation knife (6) is flexibly connected by contact with the upper end of the second insulating cylinder (3), each the first insulating cylinder (2)
Upper end is equipped with vacuum interrupter (4), and isolation knife (6) are led to vacuum interrupter (4) away from one end of the first insulating cylinder (2)
Contact flexible connection is crossed, each described isolation knife (6) are located at the first insulating cylinder (2) and the end of the second insulating cylinder (3) is all hinged
There is insulating bar (5), described base (1) upper edge longitudinally rotates and bull stick (7) is provided with, bull stick (7) and each insulating bar (5)
Lower end all rotates connection by swing arm (8), and each described swing arm (8) all include two stators being fixedly connected with bull stick (7)
(16), it is connected by axis of rotation with insulating bar (5) between two stator (16), each described swing arm (8) and base
(1) stored energy mechanism is respectively connected between.
2. a kind of vacuum load switch according to claim 1, it is characterised in that each described stored energy mechanism all includes to set
Put in the housing (10) for being located at the first insulating cylinder (2) side, also include pull bar (9), the one end of pull bar (9) is rotatably installed in
The middle part of stator (16), the one end of pull bar (9) are rotatablely equipped with push rod (11), and described push rod (11) run through housing
(10) and slide block (13) is installed in housing (10), the inner chamber of housing (10) is provided with the bullet being connected with slide block (13)
Spring (12).
3. a kind of vacuum load switch according to claim 1, it is characterised in that each described stored energy mechanism all includes to set
Put in the housing (10) for being located at the first insulating cylinder (2) side, also include pull bar (9), the one end of pull bar (9) is rotatably installed in
The middle part of stator (16), the one end of pull bar (9) are rotatablely equipped with push rod (11), and described push rod (11) run through housing
(10) and slide block (13) is installed in housing (10), slide block (13) are near the side of push rod (11) and housing (10)
Inwall is provided with corresponding strong magnets (15), and slide block (13) is connected by strong magnets (15) adhesive with the inwall of housing (10)
Connect.
4. a kind of vacuum load switch according to claim 2, it is characterised in that the upper end of housing (10) be provided with
The accumulator (14) of housing (10) intracavity inter-connection, and accumulator (14) be provided with pouring orifice.
5. a kind of vacuum load switch according to claim 3, it is characterised in that the inwall of housing (10) and outside
Magnetic shield is equipped with, the magnetic shield is iron-nickel alloy metal level.
6. a kind of vacuum load switch according to Claims 2 or 3, it is characterised in that described pull bar (9) are solid including two
Fixed pole (17), the one end of two fix bar (17) are respectively hinged at a middle side part of two stators (16), described in two
Fix bar (17) is connected by axis of rotation with push rod (11) away between one end of stator (16).
7. a kind of vacuum load switch according to claim 6, it is characterised in that in the middle part of two fix bar (17) it
Between be provided with reinforcing arm (18).
8. a kind of vacuum load switch according to claim 1, it is characterised in that the one end of bull stick (7) is provided with
Action bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115251.XA CN106486318B (en) | 2016-12-07 | 2016-12-07 | A kind of vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611115251.XA CN106486318B (en) | 2016-12-07 | 2016-12-07 | A kind of vacuum load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106486318A true CN106486318A (en) | 2017-03-08 |
| CN106486318B CN106486318B (en) | 2018-11-23 |
Family
ID=58275927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611115251.XA Expired - Fee Related CN106486318B (en) | 2016-12-07 | 2016-12-07 | A kind of vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106486318B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283920Y (en) * | 1996-08-26 | 1998-06-10 | 白春风 | Outdoor high-tenison vacuum isolation load switch |
| DE10047032A1 (en) * | 2000-09-22 | 2002-09-12 | Hochspannungstechnik Peters & | Medium voltage isolating blade-diverter used in electrical switching devices comprises a circuit breaker integrated between isolating blades |
| CN2722420Y (en) * | 2004-09-04 | 2005-08-31 | 贺晓红 | Outdoor vacuum separated switch for low voltage load |
| CN201060788Y (en) * | 2007-06-26 | 2008-05-14 | 山东泰开真空开关有限公司 | Indoor high-tension vacuum load switch-fuse combined electrical apparatus |
-
2016
- 2016-12-07 CN CN201611115251.XA patent/CN106486318B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283920Y (en) * | 1996-08-26 | 1998-06-10 | 白春风 | Outdoor high-tenison vacuum isolation load switch |
| DE10047032A1 (en) * | 2000-09-22 | 2002-09-12 | Hochspannungstechnik Peters & | Medium voltage isolating blade-diverter used in electrical switching devices comprises a circuit breaker integrated between isolating blades |
| CN2722420Y (en) * | 2004-09-04 | 2005-08-31 | 贺晓红 | Outdoor vacuum separated switch for low voltage load |
| CN201060788Y (en) * | 2007-06-26 | 2008-05-14 | 山东泰开真空开关有限公司 | Indoor high-tension vacuum load switch-fuse combined electrical apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106486318B (en) | 2018-11-23 |
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Granted publication date: 20181123 Termination date: 20201207 |