CN104658808B - Pole - Google Patents
Pole Download PDFInfo
- Publication number
- CN104658808B CN104658808B CN201310577088.9A CN201310577088A CN104658808B CN 104658808 B CN104658808 B CN 104658808B CN 201310577088 A CN201310577088 A CN 201310577088A CN 104658808 B CN104658808 B CN 104658808B
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- CN
- China
- Prior art keywords
- conducting terminal
- conductive
- axis
- fingertip
- quiet
- 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.)
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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
- H01H33/6606—Terminal 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
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention provides a kind of pole, including vacuum interrupter, the first conducting terminal and the second conducting terminal, described vacuum interrupter includes axis, moving conductive rod and quiet conductive plate；Described first conducting terminal is with described axis as rotation axes of symmetry, described first conducting terminal include in circular conductive body and be fixed on described conductive body lateral wall in circular conductive bulge loop, described conductive body is set on described moving conductive rod and electrically connects with described moving conductive rod, multiple first through holes is distributed with described conduction bulge loop；Described second conducting terminal is with described axis as rotation axes of symmetry, and described second conducting terminal and described quiet conductive plate electrical connection.The pole small volume of the present invention, structure are simple and security reliability is high.
Description
Technical field
The present invention relates to field of electrical equipment is and in particular to a kind of pole.
Background technology
In middle/high-voltage electrical appliance field, vacuum circuit breaker is the electric equipment for controlling and protecting power system, and includes
The pole of vacuum interrupter is the core component of vacuum circuit breaker.
Chinese patent notification number CN201332052Y discloses a kind of pole, mainly includes insulation crust, imports electricity
The upper bracket of stream, vacuum interrupter, the lower carriage of output current, the static contact of vacuum interrupter and upper bracket electrical connection, vacuum
The moving conductive rod of arc-chutes is electrically connected with lower carriage by moving slide-bar.Wherein upper bracket and lower carriage are all the footpaths from pole
To stretching out away, the volume of such pole is big, complex-shaped, insulant casting difficult so that processing technique
Complicated.When circuit malfunctions need to take out pole, the bus cable now forming power circuit with pole connects
Mouth and conductor interface will be exposed in external environment, easily protected from environmental, bring potential safety hazard to operator simultaneously.
Content of the invention
For above-mentioned technology, the technical problem to be solved in the present invention is to provide a kind of small volume and high the consolidating of security reliability
Sealed pole.
To achieve these goals, An embodiment provides a kind of pole, including：
Vacuum interrupter, described vacuum interrupter includes axis, moving conductive rod and quiet conductive plate；
First conducting terminal, described first conducting terminal with described axis as rotation axes of symmetry, described first conducting end
Attached bag include in circular conductive body and be fixed on described conductive body lateral wall in circular conductive bulge loop,
Described conductive body is set on described moving conductive rod and electrically connects with described moving conductive rod, is distributed with many on described conduction bulge loop
Individual first through hole；
Second conducting terminal, described second conducting terminal is with described axis as rotation axes of symmetry, and described second conduction
Terminal and described quiet conductive plate electrical connection.
Preferably, the plurality of first through hole is evenly distributed on a circumference with the center of described conduction bulge loop as the center of circle
On.
Preferably, the lateral wall of described conductive body has and the plurality of first on the direction along described axis
The multiple logical liquid bath that each of through hole corresponds and is connected.
Preferably, the lateral wall of described conduction bulge loop have in the first circular fingertip mounting groove, described first leads
Electric terminal also includes the first fingertip in described first fingertip mounting groove for the lock ring.
Preferably, the lateral wall of described conductive body is the curved surface of Non-smooth surface.
Preferably, described second conducting terminal is in circular, and the lateral wall of described second conducting terminal has in annulus
Second fingertip mounting groove of shape, described second conducting terminal also includes lock ring in described second fingertip mounting groove second and touches
Refer to.
Preferably, described second conducting terminal has near the first end face of described quiet conductive plate with away from described quiet conduction
The second end face of plate, described first end face has multiple receiving holes, described second end face has in circular holding tank,
The plurality of receiving hole is connected on the direction of described axis with described holding tank.
Preferably, described second conducting terminal has multiple second through holes on the direction along described axis, described
Second through hole has near the first port of described quiet conductive plate and the second port away from described quiet conductive plate, described first end
The girth of mouth is less than the girth of second port.
The pole small volume of the present invention, structure is simple, and manufacturing process is simple, reduces shelf depreciation, security reliability
High.
Brief description
Embodiments of the present invention is further illustrated referring to the drawings, wherein：
Fig. 1 is the sectional view of the pole of present pre-ferred embodiments.
Fig. 2 is the top view of the first conducting terminal in the pole shown in Fig. 1.
Fig. 3 is the half sectional view of the first conducting terminal shown in Fig. 2.
Fig. 4 is the top view of the second conducting terminal in the pole shown in Fig. 1.
Fig. 5 is the sectional view along line A-A for the second conducting terminal shown in Fig. 4.
Fig. 6 is the top view of the second conducting terminal of the pole of another embodiment of the present invention.
Fig. 7 is the sectional view along line B-B for the second conducting terminal shown in Fig. 6.
Main device symbol description
1 conducting terminal 2 moving conductive rod
3 conductive bulge loop 4 fingertips
5 are dynamically connected block 6 vacuum interrupter
7 fingertip 8 conducting terminal
9 quiet conductive plate 10 insulation crusts
11 fingertip mounting groove 12 through hole
13 logical liquid bath 14 annular knurls
15 conductive body 81 holding tank
82 receiving hole 83 fingertip mounting groove
84 bolt 85 fixing hole
86 end face 87 end face
28 conducting terminal 282 through hole
283 port 284 port
51 fingertips
Specific embodiment
In order that the purpose of the present invention, technical scheme and advantage become more apparent, pass through specifically real below in conjunction with accompanying drawing
The present invention is described in more detail to apply example.
Fig. 1 is the sectional view of the pole of present pre-ferred embodiments.As shown in figure 1, include insulation crust 10 and
Conducting terminal 1 in insulation crust 10, the block 5 that is dynamically connected, vacuum interrupter 6 and conducting terminal 8.Vacuum interrupter 6 has
Axis L, and with axis L as rotation axes of symmetry, is respectively provided with moving conductive rod 2 at the two ends of vacuum interrupter 6 and quiet leads
Electroplax 9, vacuum interrupter 6 is known vacuum interrupter, and other parts are simultaneously not shown in FIG. 1.The dynamic of vacuum interrupter 6 is led
Being arranged with the outer circumferential sides wall of electric pole 2 is in substantially the circular block 5 that is dynamically connected, and passes through nut and pad and the block that is dynamically connected
5 are fixed together, thus ensure that moving conductive rod 2 and the formation between block 5 that is dynamically connected electrically connect and interlocks.Be dynamically connected the outer of block 5
Three fingertip mounting grooves annular in shape are had on the wall of side, each fingertip mounting groove is designed with fingertip 51, fingertip 51 lock ring respectively
In corresponding fingertip mounting groove.Being arranged with the lateral wall being dynamically connected block 5 is in substantially circular conducting terminal 1, and
The medial wall of conducting terminal 1 contacts and electrically connects with the fingertip 51 being dynamically connected in the fingertip mounting groove of block 5, thus realizing conduction
Electrical connection between terminal 1 and moving conductive rod 2.Conducting terminal 8 passes through bolt 84 and the quiet conductive plate 9 of vacuum interrupter 6 is fixing
Together and realize electrically connecting, in the present embodiment, conducting terminal 1, be dynamically connected block 5 and conducting terminal 8 are all respectively with axis L
In rotationally symmetrical.
Fig. 2 is the top view of the conducting terminal 1 shown in Fig. 1, and Fig. 3 is the half sectional view of the conducting terminal 1 shown in Fig. 2（Its
Middle Fig. 3 is the top-right part of the conducting terminal having cutd open Fig. 2 the semi-cutaway observed from right to left）.Referring to Fig. 2 and Fig. 3 institute
Show, conducting terminal 1 includes conductive body 15 and conductive bulge loop 3.Conductive body 15 is in circular, in the lateral wall of conductive body 15
On be fixed with conductive bulge loop 3, wherein conductive bulge loop 3 is in substantially circular, and is coaxially disposed with conductive body, conductive body 15
With conductive bulge loop 3 all with axis L as rotation axes of symmetry.Wherein conductive body 15 can be by integrally becoming with conductive bulge loop 3
Type processing obtains it is also possible to pass through conductive bulge loop 3 is welded on the lateral wall of conductive body 15.The medial wall of conductive body 15
Contact and electrically connect with the fingertip 51 being dynamically connected on the lateral wall of block 5, the outer circumferential sides wall of conductive body 15 is along axis L
Direction on be uniformly distributed with 10 logical liquid baths 13, the shape of the cross section vertical with axis L of each logical liquid bath 13
For semicircle.Conductive bulge loop 3 is also uniformly distributed with 10 through holes 12, wherein each through hole on the direction along axis L
12 correspond and are connected with logical liquid bath 13, and logical liquid bath 13 is distributed in a circle with the center of conductive body 15 as the center of circle
Zhou Shang, through hole 12 is also distributed about on another circumference with the center of conductive body 15 or conductive bulge loop 3 as the center of circle, through hole 12 with
The shape of the vertical cross section of axis L is all semicircle, thus showing 10 circles in the top view of Fig. 2.As Fig. 3 institute
Show, it is in circular fingertip mounting groove 11 that the lateral wall of conductive bulge loop 3 has 2, is arranged with fingertip in fingertip mounting groove 11
4, fingertip 4 difference lock ring is in corresponding fingertip mounting groove 11.Annular knurl 14 is had on the lateral wall of conductive body 15, in resin
Flow through logical liquid bath 13 and when through hole 12 is cast, resin can cover on the lateral wall of conductive body 15, and annular knurl 14 can increase
Resin and the adhesion of conducting terminal 1, thus conducting terminal 1 is more securely enclosed in insulation crust 10.In the present embodiment
In, circular fingertip 4 is electrically connected with conductive body 15, thus being electrically connected with moving conductive rod 2 by the block 5 that is dynamically connected, fingertip 4 is made
It is the interface electrically connecting with outer lead or conductor.
It is also possible to not have the block 5 that is dynamically connected in other embodiments of the present invention, but directly by conducting terminal 1
Conductive body 15 is set on moving conductive rod 2 so that the medial wall of conductive body 15 and moving conductive rod 2 contact and electrically connect,
Or by the electrical connection realized between conducting terminal 1 and moving conductive rod 2 that is flexible coupling.In other examples, conductive
Terminal 1 can also be oval ring-type.Logical liquid bath 13 can not also be had on the lateral wall of conductive body 15 of conducting terminal 1.Lead
The number of the through hole 12 of electric bulge loop 3 can be arbitrary, and preferably through hole 12 is evenly distributed on a circumference of conductive bulge loop 3.
The cross section of through hole 12 is not limited to semicircle, can also be variously-shaped, for example circle, ellipse, square or rectangular etc.
Other arbitrary shapes.Can have any number of fingertip mounting groove 11 however it is not limited to this enforcement on the lateral wall of conductive bulge loop 3
In example two.The lateral wall of the conductive body 15 of the present invention has non-smooth surface can increase the viscous of resin and conducting terminal
Attached power is however it is not limited to annular knurl 14 in the present embodiment.
Fig. 4 is the top view of conducting terminal 8, and Fig. 5 is the sectional view along line A-A for the conducting terminal 8 shown in Fig. 4.As Fig. 4 and
Shown in 5, conducting terminal 8 is in substantially circular, and with axis L as rotation axes of symmetry, is limited in the inner circle of conducting terminal 8
Be fixing hole 85, for accommodating the screw rod of bolt 84 so that conducting terminal 8 is by the bolt 84 in fixing hole 85 and quiet
Conductive plate 9 is fixing and forms electrical connection.Conducting terminal 8 has relative two end face, that is, near end face 86 He of quiet conductive plate 9
Another end face 87 away from quiet conductive plate 9.End face 87 have in circular holding tank 81, in a circle of end face 86
It is evenly distributed with 12 receiving holes 82, receiving hole 82 is connected on the direction of axis L with holding tank 81 on week.As Fig. 4
Shown, the cross section of receiving hole 82 is circle, and the difference of the exradius of holding tank 81 and inner circle radius（I.e. holding tank 81
Ring width）More than the diameter of receiving hole 82, after resin cast forms insulation crust 10, it is filled with holding tank 81 and receiving hole 82
The resin of insulation, the resin of insulation avoids conducting terminal 8 and moves along the direction away from quiet conductive plate 9, thus by conducting end
Son 8 is fixed together with quiet conductive plate 9 and realizes electrically connecting, therefore can not pass through between conducting terminal 8 and quiet conductive plate 9 or
It is not limited to fixing by bolt 84, can also be realized between conducting terminal 8 and quiet conductive plate 9 using arbitrary fixed form
Electrical connection.One fingertip mounting groove 83 annular in shape is had on the lateral wall of conducting terminal 8, fingertip 7 lock ring is installed in fingertip
In groove 83, thus realizing electrically connecting with quiet conductive plate 9.
In other embodiments of the invention, the quantity of the receiving hole 82 on end face 86 can be arbitrary, preferably accommodates
Hole 82 is evenly distributed on a circumference of end face 86.The cross section of receiving hole 82 can be arbitrary shape.
Fig. 6 is the top view of the conducting terminal 28 of another embodiment of the present invention, and Fig. 7 is the conducting terminal 28 shown in Fig. 6
Along the sectional view of line B-B, as shown in Figure 6 and Figure 7, conducting terminal 28 and conducting terminal 8 are essentially identical, and difference is, are leading
The through hole 282 of two end faces of 12 insertion conducting terminals is had on electric terminal 28, through hole 282 is evenly distributed on conducting terminal
On one circumference at 28 center, through hole 282 limit receiving space be in truncated cone-shaped, and each through hole 282 have close
The a port 283 of quiet conductive plate 9 and another port 284 away from quiet conductive plate 9, the diameter of port 283 is less than port 284
Diameter, equally after resin cast forms insulation crust 10, be filled with the resin of insulation in through hole 282 it can be ensured that conduction
Terminal 28 will not move along the direction away from quiet conductive plate 9, thus serving the further fixation to conducting terminal 28.?
In other embodiments, receiving space that through hole 282 the is limited shape in the cross section perpendicular to axis L can be any
Shape, that is, port 283 and port 284 can be arbitrary shapes, and the girth of preferred port 282 is more than the girth of port 283.
The pole of the present invention is to adopt insulant（Such as resin, can also be insulant）Casting forms insulation
Shell 10, during resin cast, liquid resin flows through vacuum interrupter 6 from the logical liquid bath 13 of conducting terminal 1 and through hole 12
Around, the receiving hole 82 in conducting terminal 8 and holding tank 81 are finally flowed through, thus vacuum interrupter 6 sealing is outer in insulation
The inside of shell 10, the impact to vacuum interrupter 6 for the external environment is lowered to minimum.In the pole being formed, simply
By the lateral wall of the lateral wall, fingertip 4 and conducting terminal 8 of conductive bulge loop 3 and the exposed outside in insulation crust 10 of fingertip 7,
Do not wrapped by insulation crust 10, thus the fingertip 4 of ring-type and fingertip 7 electrically connect respectively as with outside cable and conductor
Interface.In other examples it is also possible to not have fingertip 4 and fingertip 7, directly pass through conductive bulge loop 3 lateral wall and
The lateral wall of conducting terminal 8 is electrically connected to form power circuit with outside cable and wire and conductor.
The conducting terminal 1 of the present invention, vacuum interrupter 6 and conducting terminal 8 are coaxially disposed, the casting process of insulant
Become simple, the pole of formation is in cylinder, and simple shape simultaneously effective reduces the volume of pole.In sealing
During pole energising, reduce shelf depreciation, improve pressure reliability.
Although the present invention has been described by means of preferred embodiments, however the present invention be not limited to described here
Embodiment, also include done various changes and change without departing from the present invention.
Claims (8)
1. a kind of pole is it is characterised in that include：
Vacuum interrupter, described vacuum interrupter includes axis, moving conductive rod and quiet conductive plate；
First conducting terminal, described first conducting terminal with described axis as rotation axes of symmetry, described first conducting end attached bag
Include in circular conductive body and be fixed on described conductive body lateral wall in circular conductive bulge loop, described
Conductive body be set on described moving conductive rod and and the electrical connection of described moving conductive rod, be distributed with multiple the on described conduction bulge loop
One through hole；
Second conducting terminal, described second conducting terminal is with described axis as rotation axes of symmetry, and described second conducting terminal
Electrically connect with described quiet conductive plate.
2. pole according to claim 1 is it is characterised in that the plurality of first through hole is evenly distributed on described
The center of conductive bulge loop is on a circumference in the center of circle.
3. pole according to claim 2 is it is characterised in that the lateral wall of described conductive body is along in described
The multiple logical liquid bath having on the direction of axis with each of the plurality of first through hole one-to-one corresponding and being connected.
4. pole according to any one of claim 1 to 3 it is characterised in that described conduction bulge loop lateral wall
On have in the first circular fingertip mounting groove, described first conducting terminal also includes lock ring in described first fingertip mounting groove
In the first fingertip.
5. pole according to any one of claim 1 to 3 is it is characterised in that the lateral wall of described conductive body
Curved surface for Non-smooth surface.
6. pole according to claim 1 is it is characterised in that described second conducting terminal is in circular, and described the
Have in the second circular fingertip mounting groove on the lateral wall of two conducting terminals, described second conducting terminal also includes lock ring and exists
The second fingertip in described second fingertip mounting groove.
7. pole according to claim 6 is it is characterised in that described second conducting terminal has quiet leads near described
The first end face of electroplax and the second end face away from described quiet conductive plate, described first end face has multiple receiving holes, described
Have in circular holding tank in second end face, the plurality of receiving hole and described holding tank are on the direction of described axis
It is connected.
8. pole according to claim 6 is it is characterised in that described second conducting terminal is along described axis
Direction on there are multiple second through holes, described second through hole have near described quiet conductive plate first port and away from described
The second port of quiet conductive plate, the girth of described first port is less than the girth of second port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577088.9A CN104658808B (en) | 2013-11-15 | 2013-11-15 | Pole |
| PCT/IB2014/002407 WO2015071731A1 (en) | 2013-11-15 | 2014-11-12 | Solid-sealed pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577088.9A CN104658808B (en) | 2013-11-15 | 2013-11-15 | Pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104658808A CN104658808A (en) | 2015-05-27 |
| CN104658808B true CN104658808B (en) | 2017-03-08 |
Family
ID=52144748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310577088.9A Active CN104658808B (en) | 2013-11-15 | 2013-11-15 | Pole |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104658808B (en) |
| WO (1) | WO2015071731A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935446B (en) * | 2015-12-31 | 2019-03-15 | 施耐德电气(厦门)开关设备有限公司 | Attachment device and circuit breaker polar |
| CN106981392A (en) * | 2017-05-16 | 2017-07-25 | 扬中市中兴塑料配件厂 | A kind of resistant to elevated temperatures vacuum interrupter guide sleeve |
| CN106997826A (en) * | 2017-05-26 | 2017-08-01 | 江苏润泰电力设备有限公司 | Connector is used in a kind of special high-voltage switch gear power system |
| CN107968016A (en) * | 2018-01-10 | 2018-04-27 | 福建德普乐能源科技有限公司 | A kind of pole that can improve electrical insulation properties |
| CN111223709B (en) * | 2018-11-27 | 2022-01-11 | 西门子股份公司 | Pole for vacuum circuit breaker and vacuum circuit breaker |
| CN109637881A (en) * | 2018-12-14 | 2019-04-16 | 北京双杰电气股份有限公司 | Environment-friendly type circuit breaker polar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694601A (en) * | 1969-11-12 | 1972-09-26 | Denzil Malcolm Atkinson | Electric switches |
| EP1117114A2 (en) * | 2000-01-11 | 2001-07-18 | Hitachi, Ltd. | Power circuit breaker using SF6 switch in parallel with vacuum switch resistor combination |
| CN201332052Y (en) * | 2009-01-17 | 2009-10-21 | 佛山市顺德森源电气有限公司 | Solid sealed pole of high-voltage vacuum circuit breaker |
| CN201514889U (en) * | 2009-09-27 | 2010-06-23 | 长沙智通电力设备有限公司 | Terminal post enclosed in arc extinguish chamber for vacuum circuit breaker |
| KR101053392B1 (en) * | 2009-12-28 | 2011-08-01 | 주식회사 효성 | Breaker part for gas insulated switchgear |
| CN102903543A (en) * | 2012-09-28 | 2013-01-30 | 伊顿公司 | Contact system |
| CN203536285U (en) * | 2013-11-15 | 2014-04-09 | 伊顿电气有限公司 | Solid-sealed polar pole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8269130B2 (en) * | 2010-02-24 | 2012-09-18 | Eaton Corporation | Retainer, vacuum interrupter, and electrical switching apparatus including the same |
-
2013
- 2013-11-15 CN CN201310577088.9A patent/CN104658808B/en active Active
-
2014
- 2014-11-12 WO PCT/IB2014/002407 patent/WO2015071731A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694601A (en) * | 1969-11-12 | 1972-09-26 | Denzil Malcolm Atkinson | Electric switches |
| EP1117114A2 (en) * | 2000-01-11 | 2001-07-18 | Hitachi, Ltd. | Power circuit breaker using SF6 switch in parallel with vacuum switch resistor combination |
| CN201332052Y (en) * | 2009-01-17 | 2009-10-21 | 佛山市顺德森源电气有限公司 | Solid sealed pole of high-voltage vacuum circuit breaker |
| CN201514889U (en) * | 2009-09-27 | 2010-06-23 | 长沙智通电力设备有限公司 | Terminal post enclosed in arc extinguish chamber for vacuum circuit breaker |
| KR101053392B1 (en) * | 2009-12-28 | 2011-08-01 | 주식회사 효성 | Breaker part for gas insulated switchgear |
| CN102903543A (en) * | 2012-09-28 | 2013-01-30 | 伊顿公司 | Contact system |
| CN203536285U (en) * | 2013-11-15 | 2014-04-09 | 伊顿电气有限公司 | Solid-sealed polar pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104658808A (en) | 2015-05-27 |
| WO2015071731A1 (en) | 2015-05-21 |
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