CN206685309U - A kind of high-voltage vacuum load switch breaker - Google Patents
A kind of high-voltage vacuum load switch breaker Download PDFInfo
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- CN206685309U CN206685309U CN201720435819.XU CN201720435819U CN206685309U CN 206685309 U CN206685309 U CN 206685309U CN 201720435819 U CN201720435819 U CN 201720435819U CN 206685309 U CN206685309 U CN 206685309U
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- load switch
- switch breaker
- knife plate
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Abstract
It the utility model is related to switching technique field, there is provided a kind of high-voltage vacuum load switch breaker, including base, and at least one set being arranged on the base：Isolate knife assembly, the isolation knife assembly includes the first insulator and the second insulator being mutually correspondingly arranged；Vacuum interrupter, for carrying out rupturing duty to electric arc caused by high-voltage vacuum load switch breaker；Isolate knife plate, be hinged to be arranged on first insulator, one end of the isolation knife plate is provided with the first contact being flexibly connected with the vacuum interrupter, and the other end is provided with the second contact being flexibly connected with second insulator；Protection mechanism, including the 3rd insulator being correspondingly arranged with second insulator, and for cutting off the limiting fuse of electric current；The limiting fuse is electrically connected by quick assembling mechanism with second insulator and the 3rd insulator.Solves the limiting fuse of high-voltage vacuum load switch breaker, the scope of application is small, the problem of can not being changed according to different voltage x currents.
Description
Technical field
It the utility model is related to switching technique field, and in particular to a kind of high-voltage vacuum load switch breaker.
Background technology
At present, with the fast development of urban construction, application of the high-tension electricity in urban electricity system gradually increases, due to
By urban construction transformer station, high-tension switch cabinet floor space is narrow and small is limited, miniaturization transformer station, miniaturization high-tension switch cabinet
Safe design requirement also more and more higher.Vacuum load switch breaker, i.e. rated voltage are born in the vacuum of 10kV and its above
Lotus disconnecting switch, it is the common electric equipment in high-tension line, cut-offs in the line and close load current, vacuum load switch
The safety and reliability of breaker is to weigh its fine or not important indicator.
To solve when occurring short circuit current or overcurrent in circuit, existing vacuum load switch breaker has no ability to
Realization is cut-off, and causes the switchgear in circuit and control device to be easy to burn, or even whole piece circuit is paralysed
The problem of, Chinese patent literature CN201274253Y discloses a kind of vacuum load switch breaker fuse combined electric apparatus, such as
Shown in Fig. 3, it includes the isolation knife that metal framework 101, spring operating mechanism 105, on/off switch mechanism 106 and three-phase are set
Lock 102, fuse 103, dropout transmission device 104, vacuum interrupter 107 and grounding switch 108；Wherein, institute is per phase fuse
103 are mounted in the back side of isolation switch 102, one end connection isolation switch 102, and the other end passes through the dropout transmission device 104
Vacuum interrupter 107 is connected with on/off switch mechanism 106.
The fuse of vacuum load switch breaker is arranged on the isolation switch back side in the prior art and fuse can not
Dismounting and change, the weight that fuse can not only increase isolation switch causes to hinder to close/open machine, and the scope of application is small, nothing
Method changes fuse according to different voltage x current, causes that existing vacuum load switch breaker safe is poor, has safely
Hidden danger.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome the limit for being used for protecting load circuit in the prior art
Flow fuse, the scope of application is small, the defects of can not being changed according to different voltage x currents, so as to provide a kind of high pressure vacuum load
Switch disconnector, including base, and at least one set being arranged on the base：
Isolate knife assembly, the isolation knife assembly includes the first insulator and the second insulator being mutually correspondingly arranged；
Vacuum interrupter, for carrying out rupturing duty to electric arc caused by high-voltage vacuum load switch breaker；
Isolate knife plate, be hinged to be arranged on first insulator, one end of the isolation knife plate is provided with and the vacuum
The first contact that arc-chutes are flexibly connected, the other end are provided with the second contact being flexibly connected with second insulator；
Protection mechanism, including the 3rd insulator being correspondingly arranged with second insulator, and for cutting off electric current
Limiting fuse；The limiting fuse is electrically connected by quick assembling mechanism with second insulator and the 3rd insulator.
The quick assembling mechanism includes the conducting block being separately positioned on second insulator and the 3rd insulator, with
And it is arranged on the limiting fuse both ends and coordinates the U-shaped conductive sleeve of clamping with the conducting block.
The quick assembling mechanism also includes being used for the fixed mechanism for fixing the conducting block and the U-shaped conductive sleeve.
The fixed mechanism includes the elastic card rod being arranged on the conducting block, and described elastic card rod one end is led with described
Electric block side is fixedly linked, and the U-shaped conductive sleeve is fixed on the conducting block by the other end around to the conducting block opposite side
On.
The limiting fuse includes fuse tube and is arranged on the conductive cap at the fuse tube both ends, described conductive cap
Both ends are provided with by the closing of the inner chamber of fuse tube into closing chamber, in described fuse tube to be electrically connected on the conductive cap
Fusible link, it is filled with the closing chamber and is used to absorbing high temperature, avoids the quartz sand that is caught fire by fusible link.
On-load switch breaker also includes the knife plate drive mechanism that quantity is at least one group, and the knife plate drive mechanism includes
For driving the insulated tension pole of the isolation knife plate separating brake or combined floodgate, the insulated tension pole is vertically arranged, its one end with it is described every
It is hinged from knife plate, the other end is provided with the driving connecting lever transmission for being used to drive it to move up and down and is connected；
The base is provided with each driving connecting lever drive connection, for driving turning for the driving connecting lever motion
Lever, the rotating bar are provided with and are secured to be connected, the breaking-closing operating bar for driving it to rotate.
The knife plate drive mechanism also includes being used to drive the rotating bar so as to the energy storage member for driving driving connecting lever to rotate
Part.
The energy-storage travelling wave tube is energy-stored spring, and described energy-stored spring one end is fixedly linked with the base, the other end and institute
Rotating bar is stated to be connected.
Vacuum interrupter (5) be used for high-voltage vacuum load switch breaker is being cut-off or is closing line current, avoid because
Cause the blowout unit of contact damage for arc burning
Technical solutions of the utility model, have the following advantages that：
1. high-voltage vacuum load switch breaker provided by the utility model, provided with limiting fuse, occurs in the line
When short circuit current or overcurrent, limiting fuse can be fused with moment, protection circuit and switch.Limiting fuse by installing soon
Structure is installed on high-voltage vacuum load switch breaker, and user can change fuse according to different voltage x currents, improve molten
The scope of application of disconnected device.
2. high-voltage vacuum load switch breaker provided by the utility model, quick assembling mechanism includes being separately positioned on described the
Conducting block on two insulators and the 3rd insulator, and it is arranged on the limiting fuse both ends and the conducting block
The U-shaped conductive sleeve of cooperation, quick assembling mechanism have the advantages of simple in construction, easy to operate.
3. high-voltage vacuum load switch breaker provided by the utility model, it is additionally provided with for fixing the conducting block and institute
The quick assembling mechanism of U-shaped conductive sleeve is stated, the elastic card rod that the fixed mechanism includes being arranged on the conducting block leads the U-shaped
Electricity set is fixed on the conducting block, has the advantages of simple in construction, easy to operate.
4. high-voltage vacuum load switch breaker provided by the utility model, in addition to knife plate drive mechanism, knife plate driving
Mechanism by being driven connected breaking-closing operating bar, rotating bar, driving connecting lever and insulated tension pole driving isolation knife plate separating brake successively
Or close a floodgate, there is the advantages of simple and reliable for structure, production maintenance cost is low.
5. high-voltage vacuum load switch breaker provided by the utility model, knife plate drive mechanism also includes being used to drive institute
Rotating bar is stated so as to drive the energy-storage travelling wave tube that driving connecting lever rotates, rotating bar is stored up with the rotation rotation forces of breaking-closing operating bar
Can spring be compressed spring energy-storage, after driving connecting lever to turn over 1 boundary's point energy storage terminate and released energy, so as to promote
Connecting lever rotates, and avoids driving connecting lever after zero passage circle point to stop, causing switch fault.
6. high-voltage vacuum load switch breaker provided by the utility model, energy-storage travelling wave tube are energy-stored spring, the energy storage
Spring one end is fixedly linked with the base, and the other end is connected with the rotating bar, has the advantages of simple and reliable for structure.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is high-voltage vacuum load switch breaker front view of the present utility model；
Fig. 2 is high-voltage vacuum load switch breaker top view of the present utility model；
Fig. 3 is the structural representation of high-voltage vacuum load switch breaker of the prior art；
Description of reference numerals：1- bases；2- isolates knife assembly；The insulators of 3- first；The insulators of 4- second；5- vacuum extinctions
Room；6- isolates knife plate；The contacts of 7- first；The contacts of 8- second；9- protection mechanisms；The insulators of 10- the 3rd；11- limiting fuses；
12- conducting blocks；13-U shape conductive sleeves；14- elasticity card rods；15- insulated tension poles；16- drives connecting lever；17- rotating bars；18- divisions
Brake-operating rod(lever)；19- energy-stored springs；101- metal frameworks；102- isolation switch；103- fuses；104- dropout transmission devices；
105- spring operating mechanisms；106- on/off switch mechanism；107- vacuum interrupters；108- grounding switchs.
Embodiment 1
A kind of high-voltage vacuum load switch breaker, as depicted in figs. 1 and 2, including base 1, and it is arranged on the bottom
Three groups on seat 1：
Isolate knife assembly 2, the isolation knife assembly 2 includes the first insulator 3 and the second insulator being mutually correspondingly arranged
4；
Vacuum interrupter 5, for carrying out rupturing duty to electric arc caused by high-voltage vacuum load switch breaker；
Isolate knife plate 6, it is be hinged to be arranged on first insulator 3, one end of the isolation knife plate 6 be provided with it is described true
The first contact 7 that empty arc-chutes 5 are flexibly connected, the other end are provided with the second contact 8 being flexibly connected with second insulator 4；
Protection mechanism 9, when occurring short circuit current or overcurrent in the line, limiting fuse can be fused with moment, protection
Circuit and switch.Protection mechanism 9 includes the 3rd insulator 10 being correspondingly arranged with second insulator 4, and for cutting off
The limiting fuse 11 of electric current；The limiting fuse 11 passes through quick assembling mechanism and second insulator 4 and described 3rd exhausted
Edge 10 electrically connects.Limiting fuse is installed on high-voltage vacuum load switch breaker by quick assembling mechanism, and user can root
Fuse is changed according to different voltage x currents, improves the scope of application of fuse.
As shown in figure 1, the quick assembling mechanism includes being separately positioned on second insulator 4 and the 3rd insulator 10
The upper, conducting block 12 of rectangular shape, and be arranged on the both ends of limiting fuse 11 and coordinate with the conducting block 12 and block
The U-shaped conductive sleeve 13 connect.U-shaped conductive sleeve 13 is caught on conducting block 12, realizes that the circuit of high-voltage vacuum load switch breaker is led
It is logical.
The quick assembling mechanism also includes being used for the fixed mechanism for fixing the conducting block 12 and the U-shaped conductive sleeve 13, institute
State the elastic card rod 14 that fixed mechanism includes being arranged on the conducting block 12, described elastic one end of card rod 14 and the conducting block
12 sides are fixedly linked, and the other end is fixed around to the opposite side of conducting block 12 with conducting block 12, and the U-shaped conductive sleeve 13 is consolidated
It is scheduled on the conducting block 12.The U-shaped conductive sleeve is fixed on the conducting block by above-mentioned elastic card rod, has structure letter
The advantages of single, easy to operate.
The limiting fuse 11 includes fuse tube and is arranged on the conductive cap at the fuse tube both ends, described conductive cap
The closing of the inner chamber of fuse tube is provided with both ends into closing chamber, in described fuse tube and is electrically connected on the conductive cap by lid
Fusible link, be filled with the closing chamber and be used to absorbing high temperature, avoid the quartz sand that is caught fire by fusible link.Limiting fuse is real
Existing moment arc extinguishing ensures the safety of circuit.
As shown in figure 1, on-load switch breaker also includes three groups of knife plate drive mechanism, the knife plate drive mechanism includes
For driving the insulated tension pole 15 of the isolation separating brake of knife plate 6 or combined floodgate, the insulated tension pole 15 is vertically arranged, its one end and institute
State isolation knife plate 6 to be hinged, it is connected that the other end is provided with the transmission of driving connecting lever 16 for being used to drive it to move up and down；
The base 1 is provided with to be connected, for driving the driving connecting lever 16 to transport with each driving connecting lever 16
Dynamic rotating bar 17, the rotating bar 17 are provided with and are secured to be connected, the breaking-closing operating bar 18 for driving it to rotate.
When sub-switching operation, operating personnel pull breaking-closing operating bar 18 it is driven clockwise, breaking-closing operating bar 18
Driving driving connecting lever 16 to rotate promotes insulated tension pole 15 to move up, so as to drive isolation knife plate 6 and the vacuum interrupter 5, described
Separating brake is realized in the second contact 8 separation of second insulator 4.When closing operation, operating personnel pull breaking-closing operating bar 18 to make
It drives counterclockwise, and breaking-closing operating bar 18 drives driving connecting lever 16 to rotate and promotes insulated tension pole 15 to move down, isolate so as to drive
Second contact 8 of knife plate 6 and the vacuum interrupter 5, second insulator 4, which is connected with each other, realizes combined floodgate.
As shown in figure 1, the knife plate drive mechanism also includes being used to drive the rotating bar 17 to drive driving connecting lever
16 energy-storage travelling wave tubes rotated.The energy-storage travelling wave tube is energy-stored spring 19, described one end of energy-stored spring 19 and the stationary phase of base 1
Even, the other end is connected with the rotating bar 17.Rotating bar is carried out with the rotation rotation forces energy-stored spring of breaking-closing operating bar
Compression spring energy storage, after driving connecting lever to turn over 1 boundary's point energy storage terminate and released energy, so as to promote connecting lever to rotate, keep away
Free drive moves connecting lever to be stopped after zero passage circle point, causes switch fault.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (8)
1. a kind of high-voltage vacuum load switch breaker, it is characterised in that including base (1), and be arranged on the base (1)
On at least one set：
Isolate knife assembly (2), the isolation knife assembly (2) includes the first insulator (3) being mutually correspondingly arranged and the second insulation
Sub (4)；
Vacuum interrupter (5), for carrying out rupturing duty to electric arc caused by high-voltage vacuum load switch breaker；
Isolate knife plate (6), it is be hinged to be arranged on first insulator (3), one end of the isolation knife plate (6) be provided with it is described
The first contact (7) that vacuum interrupter (5) is flexibly connected, the other end are provided with the be flexibly connected with second insulator (4)
Two contacts (8)；
Protection mechanism (9), including the 3rd insulator (10) being correspondingly arranged with second insulator (4), and for cutting off
The limiting fuse (11) of electric current；The limiting fuse (11) passes through quick assembling mechanism and second insulator (4) and described
3rd insulator (10) electrically connects.
2. on-load switch breaker according to claim 1, it is characterised in that：The quick assembling mechanism includes being separately positioned on
Conducting block (12) on second insulator (4) and the 3rd insulator (10), and it is arranged on the limiting fuse
(11) both ends and with the conducting block (12) coordinate clamping U-shaped conductive sleeve (13).
3. on-load switch breaker according to claim 2, it is characterised in that：The quick assembling mechanism also includes being used to fix
The conducting block (12) and the fixed mechanism of the U-shaped conductive sleeve (13).
4. on-load switch breaker according to claim 3, it is characterised in that：The fixed mechanism is described including being arranged on
Elastic card rod (14) on conducting block (12), described elastic card rod (14) one end are fixedly linked with the conducting block (12) side,
The U-shaped conductive sleeve (13) is fixed on the conducting block (12) by the other end around to the conducting block (12) opposite side.
5. the on-load switch breaker according to any one of claim 1-4, it is characterised in that：The limiting fuse
(11) include fuse tube and be arranged on the conductive cap at the fuse tube both ends, described conductive cap seals the inner chamber of fuse tube
Closing chamber is closed into, both ends are provided with described fuse tube and are electrically connected in the fusible link on the conductive cap, the closing
It is filled with chamber and is used to absorb high temperature, avoids the quartz sand that is caught fire by fusible link.
6. the on-load switch breaker according to any one of claim 1-4, it is characterised in that：Also it is at least including quantity
One group of knife plate drive mechanism, the knife plate drive mechanism include being used to drive the exhausted of isolation knife plate (6) separating brake or combined floodgate
Edge pull bar (15), the insulated tension pole (15) are vertically arranged, and its one end and the knife plate (6) of isolating are be hinged, and the other end, which is provided with, to be used
It is connected in driving connecting lever (16) transmission for driving it to move up and down；
The base (1) is provided with each driving connecting lever (16) drive connection, for driving the driving connecting lever (16)
The rotating bar (17) of motion, the rotating bar (17) are provided with and are secured to be connected, the breaking-closing operating bar for driving it to rotate
(18)。
7. on-load switch breaker according to claim 6, it is characterised in that：The knife plate drive mechanism also includes being used for
The rotating bar (17) is driven so as to drive the energy-storage travelling wave tube that driving connecting lever (16) rotates.
8. on-load switch breaker according to claim 7, it is characterised in that：The energy-storage travelling wave tube is energy-stored spring
(19), described energy-stored spring (19) one end is fixedly linked with the base (1), and the other end is connected with the rotating bar (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435819.XU CN206685309U (en) | 2017-04-24 | 2017-04-24 | A kind of high-voltage vacuum load switch breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435819.XU CN206685309U (en) | 2017-04-24 | 2017-04-24 | A kind of high-voltage vacuum load switch breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685309U true CN206685309U (en) | 2017-11-28 |
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ID=60400633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720435819.XU Active CN206685309U (en) | 2017-04-24 | 2017-04-24 | A kind of high-voltage vacuum load switch breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492377A (en) * | 2019-08-30 | 2019-11-22 | 山东达驰阿尔发电气有限公司 | A kind of actuator devices of PT at the exits of generators room |
-
2017
- 2017-04-24 CN CN201720435819.XU patent/CN206685309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492377A (en) * | 2019-08-30 | 2019-11-22 | 山东达驰阿尔发电气有限公司 | A kind of actuator devices of PT at the exits of generators room |
| CN110492377B (en) * | 2019-08-30 | 2024-03-08 | 山东达驰阿尔发电气有限公司 | Actuating mechanism device of PT chamber at generator outlet |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Xinguang Industrial Park, Liushi, Wenzhou, Zhejiang, Yueqing Co-patentee after: Gulifa Electric Corp. Patentee after: Gulifa Group Co., Ltd. Address before: 325604 Xinguang Industrial Park, Liushi, Wenzhou, Zhejiang, Yueqing Co-patentee before: GULIFA ELECTRICAL CO., LTD. Patentee before: Gulifa Group Co., Ltd. |