CN104658808A - Solid-sealed polar pole - Google Patents
Solid-sealed polar pole Download PDFInfo
- Publication number
- CN104658808A CN104658808A CN201310577088.9A CN201310577088A CN104658808A CN 104658808 A CN104658808 A CN 104658808A CN 201310577088 A CN201310577088 A CN 201310577088A CN 104658808 A CN104658808 A CN 104658808A
- Authority
- CN
- China
- Prior art keywords
- conducting terminal
- conductive
- hole
- circular
- fingertip
- 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
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Classifications
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- 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
Abstract
The invention provides a solid-sealed polar pole. The solid-sealed polar pole comprises a vacuum interrupter, a first conductive terminal and a second conductive terminal. The vacuum interrupter comprises a central axis, a movable conductive rod and a fixed conductive plate. The first conductive terminal takes the central axis as an axis of symmetry of rotation, and comprises a circular conductive body and a circular conductive bulge loop fixed on the outside wall of the conductive body. The conductive body sleeves the movable conductive rod and is electrically connected with the movable conductive rod. A plurality of first through holes are distributed in the conductive bulge loop. The second conductive terminal takes the central axis as n axis of symmetry of rotation and is electrically connected with the fixed conductive plate. The solid-sealed polar pole provided by the invention is small in size, simple in structure and high in security and reliability.
Description
Technical field
The present invention relates to field of electrical equipment, be specifically related to a kind of pole.
Background technology
In middle/high-voltage electrical appliance field, vacuum circuit-breaker is the electric equipment for control and protection electric power system, and the pole comprising vacuum interrupter is the core component of vacuum circuit-breaker.
Chinese patent notification number CN201332052Y discloses a kind of pole, mainly comprise the lower carriage of insulation crust, the upper bracket importing electric current, vacuum interrupter, output current, the fixed contact of vacuum interrupter and upper bracket electrical connection, the moving conductive rod of vacuum interrupter is electrically connected with lower carriage by moving slide-bar.Wherein upper bracket and lower carriage are all extending radially outwardly away from pole, and the volume of such pole is large, complex-shaped, and insulating material casting difficulty, makes processing technology complicated.When circuit malfunctions needs to take out pole, the bus cable interface and the conductor interface that now form power circuit with pole will be exposed in external environment, easily by the impact of environment, bring potential safety hazard to operating personnel simultaneously.
Summary of the invention
For above-mentioned technology, the technical problem to be solved in the present invention is to provide the little and pole that security reliability is high of a kind of volume.
To achieve these goals, An embodiment provides a kind of pole, comprising:
Vacuum interrupter, described vacuum interrupter comprises axis, moving conductive rod and quiet conductive plate;
First conducting terminal, described first conducting terminal with described axis for rotation axes of symmetry, described first conducting terminal comprise in circular conductive body and be fixed on the lateral wall of described conductive body in circular conduction bulge loop, described conductive body is set on described moving conductive rod and is also electrically connected with described moving conductive rod, and described conduction bulge loop is distributed with multiple first through hole;
Second conducting terminal, described second conducting terminal with described axis for rotation axes of symmetry, and described second conducting terminal and the electrical connection of described quiet conductive plate.
Preferably, described multiple first through hole be evenly distributed on described conductive stud Ring current distribution be the center of circle one circumferentially.
Preferably, the lateral wall of described conductive body has with each one_to_one corresponding in described multiple first through hole and the multiple logical liquid bath be connected on the direction along described axis.
Preferably, the lateral wall of described conduction bulge loop has in the first circular fingertip mounting groove, described first conducting terminal also comprises first fingertip of lock ring in described first fingertip mounting groove.
Preferably, the lateral wall of described conductive body is the curved surface of Non-smooth surface.
Preferably, described second conducting terminal is circular, the lateral wall of described second conducting terminal has in the second circular fingertip mounting groove, and described second conducting terminal also comprises second fingertip of lock ring in described second fingertip mounting groove.
Preferably, described second conducting terminal has near the first end face of described quiet conductive plate and the second end face away from described quiet conductive plate, described first end face has multiple accommodation hole, described second end face has in circular holding tank, described multiple accommodation hole is connected on the direction of described axis with described holding tank.
Preferably, described second conducting terminal has multiple second through hole 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, and the girth of described first port is less than the girth of the second port.
Pole volume of the present invention is little, and structure is simple, and manufacturing process is simple, and reduce partial discharge, security reliability is high.
Accompanying drawing explanation
Referring to accompanying drawing, embodiments of the present invention is further illustrated, wherein:
Fig. 1 is the cutaway view of the pole of present pre-ferred embodiments.
Fig. 2 is the vertical 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 vertical view of the second conducting terminal in the pole shown in Fig. 1.
Fig. 5 is the cutaway view of the second conducting terminal shown in Fig. 4 along A-A line.
Fig. 6 is the vertical view of the second conducting terminal of the pole of another embodiment of the present invention.
Fig. 7 is the cutaway view of the second conducting terminal shown in Fig. 6 along B-B line.
Main device symbol description
1 conducting terminal 2 moving conductive rod
3 conduction bulge loop 4 fingertips
5 are dynamically connected block 6 vacuum interrupter
7 fingertip 8 conducting terminals
9 quiet conductive plate 10 insulation crusts
11 fingertip mounting groove 12 through holes
13 logical liquid bath 14 annular knurls
15 conductive body 81 holding tanks
82 accommodation hole 83 fingertip mounting grooves
84 bolt 85 fixing holes
86 end face 87 end faces
28 conducting terminal 282 through holes
283 port 284 ports
51 fingertips
Embodiment
In order to make object of the present invention, technical scheme and advantage are clearly understood, below in conjunction with accompanying drawing, by specific embodiment, the present invention is described in more detail.
Fig. 1 is the cutaway view of the pole of present pre-ferred embodiments.As shown in Figure 1, comprise insulation crust 10 and be arranged in the conducting terminal 1 of 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 for rotation axes of symmetry, has moving conductive rod 2 and quiet conductive plate 9 at the two ends of vacuum interrupter 6 respectively, and vacuum interrupter 6 is known vacuum interrupters, and other parts are not shown in Figure 1.The excircle sidewall of the moving conductive rod 2 of vacuum interrupter 6 is arranged with substantially in the circular block 5 that is dynamically connected, and is fixed together by nut and pad and the block 5 that is dynamically connected, thus ensure that moving conductive rod 2 and the formation electrical connection also interlock between block 5 that is dynamically connected.Be dynamically connected block 5 lateral wall on there are three fingertip mounting grooves in the form of a ring, each fingertip mounting groove is provided with fingertip 51, fingertip 51 respectively lock ring in the fingertip mounting groove of correspondence.The lateral wall of block 5 that is dynamically connected is arranged with substantially in circular conducting terminal 1, and the madial wall of conducting terminal 1 contacts with the fingertip 51 be dynamically connected in the fingertip mounting groove of block 5 and is electrically connected, thus realizes the electrical connection between conducting terminal 1 and moving conductive rod 2.Conducting terminal 8 is fixed together by the quiet conductive plate 9 of bolt 84 and vacuum interrupter 6 and realizes electrical connection, and in the present embodiment, conducting terminal 1, be dynamically connected block 5 and conducting terminal 8 are Rotational Symmetry with axis L all respectively.
Fig. 2 is the vertical view of the conducting terminal 1 shown in Fig. 1, Fig. 3 be the conducting terminal 1 shown in Fig. 2 half sectional view (wherein Fig. 3 be the conducting terminal having cutd open Fig. 2 top-right part and observe from right to left partly cut open figure).Shown in Fig. 2 and Fig. 3, conducting terminal 1 comprises conductive body 15 and conduction bulge loop 3.Conductive body 15, in circular, the lateral wall of conductive body 15 is fixed with conduction bulge loop 3, wherein conducts electricity bulge loop 3 substantially in circular, and and conductive body coaxially arrange, conductive body 15 and conduction bulge loop 3 all with axis L for rotation axes of symmetry.Wherein conductive body 15 and conduction bulge loop 3 can be obtained by one-body molded processing, also can by being welded on the lateral wall of conductive body 15 by conduction bulge loop 3.The madial wall of conductive body 15 contacts with the fingertip 51 be dynamically connected on the lateral wall of block 5 and is electrically connected, the excircle sidewall of conductive body 15 is uniformly distributed with 10 logical liquid baths 13 on the direction along axis L, and the shape of the cross section vertical with axis L of each logical liquid bath 13 is semicircle.Conduction bulge loop 3 is also uniformly distributed with 10 through holes 12 on the direction along axis L, wherein each through hole 12 is connected with logical liquid bath 13 one_to_one corresponding, logical liquid bath 13 be distributed in the center of conductive body 15 be the center of circle one circumferentially, through hole 12 be also distributed in the center of conductive body 15 or conduction bulge loop 3 be the center of circle another circumferentially, the shape of the cross section that through hole 12 is vertical with axis L is all semicircle, thus there is shown 10 circles in overlooking of Fig. 2.As shown in Figure 3, the lateral wall of conduction bulge loop 3 has 2 and is arranged with fingertip 4 in fingertip mounting groove 11 in circular fingertip mounting groove 11, fingertip 4 difference lock ring is in the fingertip mounting groove 11 of correspondence.The lateral wall of conductive body 15 has annular knurl 14, when resin flow is cast through logical liquid bath 13 and through hole 12, resin can cover on the lateral wall of conductive body 15, annular knurl 14 can increase the adhesion of resin and conducting terminal 1, thus is more securely enclosed in insulation crust 10 by conducting terminal 1.In the present embodiment, circular fingertip 4 is electrically connected with conductive body 15, thus is electrically connected with moving conductive rod 2 by the block 5 that is dynamically connected, and fingertip 4 is as the interface be electrically connected with outer lead or conductor.
In other embodiment of the present invention, also the block 5 that is dynamically connected can not be had, but directly the conductive body 15 of conducting terminal 1 is set on moving conductive rod 2, the madial wall of conductive body 15 and moving conductive rod 2 is made to contact and be electrically connected, or by the electrical connection realized between conducting terminal 1 and moving conductive rod 2 that is flexible coupling.In other examples, conducting terminal 1 also can be elliptical ring shape.The lateral wall of the conductive body 15 of conducting terminal 1 also can not have logical liquid bath 13.The number of the through hole 12 of conduction bulge loop 3 can be arbitrary, and preferred through hole 12 is evenly distributed on one of conduction bulge loop 3 circumferentially.The cross section of through hole 12 is not limited to semicircle, can also be various shape, such as other arbitrary shapes such as circle, ellipse, square or rectangular.The lateral wall of conduction bulge loop 3 can have the fingertip mounting groove 11 of any amount, be not limited to two in the present embodiment.The lateral wall of conductive body 15 of the present invention has the adhesion that non-smooth surface can increase resin and conducting terminal, is not limited to the annular knurl 14 in the present embodiment.
Fig. 4 is the vertical view of conducting terminal 8, and Fig. 5 is the cutaway view of the conducting terminal 8 shown in Fig. 4 along A-A line.As shown in Figures 4 and 5, conducting terminal 8 is substantially in circular, and with axis L for rotation axes of symmetry, what limit in the inner circle of conducting terminal 8 is fixing hole 85, for holding the screw rod of bolt 84, conducting terminal 8 is made to fix by the bolt 84 and quiet conductive plate 9 being arranged in fixing hole 85 and form electrical connection.Conducting terminal 8 has two relative end faces, namely near the end face 86 of quiet conductive plate 9 and another end face 87 away from quiet conductive plate 9.End face 87 has in circular holding tank 81, one at end face 86 is circumferentially evenly distributed with 12 accommodation holes 82, and accommodation hole 82 is connected on the direction of axis L with holding tank 81.As shown in Figure 4, the cross section of accommodation hole 82 is circular, and the difference of the exradius of holding tank 81 and inner circle radius (i.e. the ring width of holding tank 81) is greater than the diameter of accommodation hole 82, after resin cast forms insulation crust 10, the resin of insulation is filled with in holding tank 81 and accommodation hole 82, the resin of insulation avoids conducting terminal 8 and moves along the direction away from quiet conductive plate 9, thus conducting terminal 8 is fixed together with quiet conductive plate 9 and realizes being electrically connected, therefore can not pass through or be not limited between conducting terminal 8 and quiet conductive plate 9 to be fixed by bolt 84, the electrical connection that arbitrary fixed form realizes between conducting terminal 8 and quiet conductive plate 9 can also be adopted.The lateral wall of conducting terminal 8 has a fingertip mounting groove 83 in the form of a ring, and fingertip 7 lock ring in fingertip mounting groove 83, thus realizes being electrically connected with quiet conductive plate 9.
In other embodiments of the invention, the quantity of the accommodation hole 82 on end face 86 can be arbitrary, and preferred accommodation hole 82 is evenly distributed on one of end face 86 circumferentially.The cross section of accommodation hole 82 can be arbitrary shape.
Fig. 6 is the vertical view of the conducting terminal 28 of another embodiment of the present invention, Fig. 7 is the cutaway view of the conducting terminal 28 shown in Fig. 6 along B-B line, as shown in Figure 6 and Figure 7, conducting terminal 28 is substantially identical with conducting terminal 8, difference is, conducting terminal 28 has the through hole 282 of 12 through conducting terminals, two end faces, through hole 282 is evenly distributed on one of the center of conducting terminal 28 circumferentially, the spatial accommodation that through hole 282 limits is truncated cone-shaped, and each through hole 282 has near 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 the diameter of port 284, equally after resin cast forms insulation crust 10, the resin of insulation is filled with in through hole 282, can guarantee that conducting terminal 28 can not move along the direction away from quiet conductive plate 9, thus serve conducting terminal 28 fixation further.In other examples, the spatial accommodation that through hole 282 limits can be arbitrary shape in the shape of the cross section perpendicular to axis L, and namely port 283 and port 284 can be arbitrary shapes, and the girth of preferred port 282 is greater than the girth of port 283.
Pole of the present invention adopts insulating material (such as resin, can also be insulating material) casting formation insulation crust 10, in resin cast process, liquid resin flows through vacuum interrupter 6 around from the logical liquid bath 13 of conducting terminal 1 and through hole 12, finally flow through the accommodation hole 82 in conducting terminal 8 and holding tank 81, thus by vacuum interrupter 6 sealing in the inside of insulation crust 10, the impact of external environment on vacuum interrupter 6 is lowered to minimum.In the pole formed, just by the lateral wall of the lateral wall of conduction bulge loop 3, fingertip 4 and conducting terminal 8 and the exposed outside at insulation crust 10 of fingertip 7, do not wrapped by insulation crust 10, thus the fingertip 4 of ring-type and fingertip 7 are respectively as the interface be electrically connected with the cable and conductor of outside.In other examples, also can not have fingertip 4 and fingertip 7, directly be electrically connected form power circuit by the cable and wire of the conduction lateral wall of bulge loop 3 and the lateral wall of conducting terminal 8 and outside and conductor.
Conducting terminal 1 of the present invention, vacuum interrupter 6 and conducting terminal 8 are coaxially arranged, and the casting process of insulating material also becomes simple, and the pole of formation is cylindrical, and simple shape efficiently reduces the volume of pole simultaneously.When pole is energized, reduce partial discharge, improve withstand voltage reliability.
Although the present invention is described by preferred embodiment, but the present invention is not limited to embodiment as described herein, also comprises done various change and change without departing from the present invention.
Claims (8)
1. a pole, is characterized in that, comprising:
Vacuum interrupter, described vacuum interrupter comprises axis, moving conductive rod and quiet conductive plate;
First conducting terminal, described first conducting terminal with described axis for rotation axes of symmetry, described first conducting terminal comprise in circular conductive body and be fixed on the lateral wall of described conductive body in circular conduction bulge loop, described conductive body is set on described moving conductive rod and is also electrically connected with described moving conductive rod, and described conduction bulge loop is distributed with multiple first through hole;
Second conducting terminal, described second conducting terminal with described axis for rotation axes of symmetry, and described second conducting terminal and the electrical connection of described quiet conductive plate.
2. pole according to claim 1, is characterized in that, described multiple first through hole be evenly distributed on described conductive stud Ring current distribution be the center of circle one circumferentially.
3. pole according to claim 2, is characterized in that, the lateral wall of described conductive body has with each one_to_one corresponding in described multiple first through hole and the multiple logical liquid bath be connected on the direction along described axis.
4. pole according to any one of claim 1 to 3, it is characterized in that, the lateral wall of described conduction bulge loop has in the first circular fingertip mounting groove, described first conducting terminal also comprises first fingertip of lock ring in described first fingertip mounting groove.
5. pole according to any one of claim 1 to 3, is characterized in that, the lateral wall of described conductive body is the curved surface of Non-smooth surface.
6. pole according to claim 1, it is characterized in that, described second conducting terminal is circular, the lateral wall of described second conducting terminal has in the second circular fingertip mounting groove, described second conducting terminal also comprises second fingertip of lock ring in described second fingertip mounting groove.
7. pole according to claim 6, it is characterized in that, described second conducting terminal has near the first end face of described quiet conductive plate and the second end face away from described quiet conductive plate, described first end face has multiple accommodation hole, described second end face has in circular holding tank, described multiple accommodation hole is connected on the direction of described axis with described holding tank.
8. pole according to claim 6, it is characterized in that, described second conducting terminal has multiple second through hole 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, and the girth of described first port is less than the girth of the 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 true CN104658808A (en) | 2015-05-27 |
| CN104658808B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935446A (en) * | 2015-12-31 | 2017-07-07 | 施耐德电气(厦门)开关设备有限公司 | Attachment means and circuit breaker polar |
| 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 |
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111223709B (en) * | 2018-11-27 | 2022-01-11 | 西门子股份公司 | Pole for vacuum circuit breaker and vacuum circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1281938A (en) * | 1969-11-12 | 1972-07-19 | Ass Elect Ind | Improvements relating to vacuum-type circuit-interrupting devices |
| JP3799924B2 (en) * | 2000-01-11 | 2006-07-19 | 株式会社日立製作所 | Power circuit breaker and power plant electrical circuit device |
| 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 |
| US8269130B2 (en) * | 2010-02-24 | 2012-09-18 | Eaton Corporation | Retainer, vacuum interrupter, and electrical switching apparatus including the same |
| CN102903543B (en) * | 2012-09-28 | 2015-01-21 | 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 |
-
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
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935446A (en) * | 2015-12-31 | 2017-07-07 | 施耐德电气(厦门)开关设备有限公司 | Attachment means and circuit breaker polar |
| 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015071731A1 (en) | 2015-05-21 |
| CN104658808B (en) | 2017-03-08 |
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