CN206076153U - Vacuum circuit breaker - Google Patents

Vacuum circuit breaker Download PDF

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Publication number
CN206076153U
CN206076153U CN201621053773.7U CN201621053773U CN206076153U CN 206076153 U CN206076153 U CN 206076153U CN 201621053773 U CN201621053773 U CN 201621053773U CN 206076153 U CN206076153 U CN 206076153U
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CN
China
Prior art keywords
pole
circuit breaker
insulated tension
vacuum
vacuum circuit
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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.)
Active
Application number
CN201621053773.7U
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Chinese (zh)
Inventor
郭予龙
高向华
呼振华
杜立春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asia Electrical Power Equipment (Shenzhen) Co.,Ltd.
Original Assignee
ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co Ltd
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Priority to CN201621053773.7U priority Critical patent/CN206076153U/en
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Publication of CN206076153U publication Critical patent/CN206076153U/en
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Abstract

The utility model discloses a kind of vacuum circuit breaker, which includes:Framework;Pole, which is fixed on framework, which includes pole body, the insulated tension pole being connected positioned at the vacuum interrupter of pole column body and with vacuum interrupter, pole column body is formed with insulated cavity, and insulated tension pole is located at insulation intracavity, and the outer wall of pole body is provided with outer wall full skirt side, the inwall of insulated cavity is provided with inwall full skirt side, and insulated tension pole full skirt side is provided with the surface of insulated tension pole;Actuating axle, is arranged on framework, and actuating axle is connected to insulated tension pole, drives insulated tension pole action and then controls the moving conductive rod of vacuum interrupter and the division of static conductive rod.Outer wall full skirt is in, inwall full skirt and the design on insulated tension pole full skirt side causes this utility model vacuum circuit breaker that creep age distance is increased in the case of given volume, meets the needs of vacuum circuit breaker miniaturization.

Description

Vacuum circuit breaker
Technical field
This utility model is related to primary cut-out, more particularly to a kind of vacuum circuit breaker of miniaturization.
Background technology
In high-voltage switch gear field, the use of vacuum circuit breaker is more universal, such as the disconnected device of 12kV Standard types vacuum and The indoor fixed switch arrangements of 12kV, central switch equipment vacuum circuit breaker.Current fixed switch arrangement and middle The external insulation of switchgear is entirely air insulation, and as the insulation distance of air is big, vacuum circuit breaker of the prior art leads to Constant volume can be than larger.
With the raising of power supply reliability and developing rapidly for city and rural power grids, with SF6 (sulfur hexafluoride) gas it is External insulation, vacuum extinction obtain swift and violent development for the inflated type switchgear of interior insulation, and application surface is more and more extensive.And SF6 Gas is listed in six kinds has one of gas of greenhouse effect and SF6 gases can be decomposed into the virose low fluorine of tool after arc discharge Compound gas, so the power switch of SF6 gas-insulated mediums is also limited by using.Reduce and even avoid SF6 gases Use, it has also become the inexorable trend of distribution switchgear industry development.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of vacuum circuit breaker of miniaturization.
To solve the technical problem, this utility model adopts technical scheme as described below:A kind of vacuum circuit breaker, bag Include:Framework;Pole, which is fixed on the framework, and which includes pole body, positioned at the vacuum of the pole column body Arc-chutes and the insulated tension pole being connected with the vacuum interrupter, the pole column body are formed with insulated cavity, the insulation Pull bar is located at the insulation intracavity, and the outer wall of the pole body is provided with outer wall full skirt side, and the inwall of the insulated cavity is provided with inwall Full skirt side, is provided with insulated tension pole full skirt side at the surface of the insulated tension pole;Actuating axle, is arranged on the framework, described Actuating axle is connected to the insulated tension pole, drives the insulated tension pole action and then controls the moving conductive rod of the vacuum interrupter With the division of static conductive rod.
Preferably, the outer wall of the pole body sets end of incoming cables and leading-out terminal, and the end of incoming cables and leading-out terminal are relatively located at The both sides of the pole body, the end of incoming cables and/or leading-out terminal are externally provided with insulating boot box.
Preferably, the end of incoming cables and/or leading-out terminal are set for the fixed copper seat inserts for supporting disconnecting switch.
Preferably, the external wall of the pole sets erecting bed, and the erecting bed forms platform with the edge of opening of the insulated cavity It is stepped.
Preferably, the end of the static conductive rod of the vacuum interrupter is removably connected to described solid by a securing member Sealed pole, the pole to be corresponded to and set dismantled and assembled insulation plug at the securing member.
Preferably, the vacuum extinction chamber outer wall sets layer of silica gel.
Preferably, the actuating axle includes a rotary shaft rotated in the case where external agency drives, and the rotary shaft is located at institute State framework, in the rotary shaft fastening be arranged slave arm, described slave arm one end is connected with transmission arm, the transmission arm with it is described Insulated tension pole is fixed and drives the insulated tension pole to move forward and backward.
Preferably, the transmission arm both sides set guide plate, and described transmission arm one end is rotatably attached by the first pin Between the guide plate of both sides, the other end is connected with the slave arm, and the guide plate axially sets pilot hole, institute along vacuum interrupter State in the middle part of slave arm by the second pin through the pilot hole, second pin can be transported along the pilot hole length direction Dynamic, the insulated tension pole outer end is fixed on second pin and is moved under the drive of second pin.
Preferably, roller housing is set between second pin and the pilot hole.
Preferably, the insulated tension pole includes insulation cylinder and connecting rod, and the insulation cylinder goes out towards the vacuum One end of arc chamber sets pull bar chamber, and the pull bar intracavity puts a spring for having initial pressure, and described connecting rod one end passes through a nut It is movably disposed in the pull bar chamber and only offsets with the spring, the other end is connected with the movable end of vacuum arc extinguishing chamber.
Advantageous Effects of the present utility model are:Pole outer wall, insulation cavity wall and insulated tension pole outer wall Set full skirt side causes this utility model vacuum circuit breaker that creep age distance is increased in the case of given volume, meets In the case of SF6 gases are not used as external insulation medium, the insulating requirements of chopper, realize the miniaturization of vacuum circuit breaker.
Description of the drawings
Fig. 1 is the three-dimensional view of this utility model vacuum circuit breaker.
Fig. 2 is the three-dimensional view of this utility model solid sealed pole of vacuum circuit breaker part.
Sectional view when Fig. 3 is this utility model vacuum circuit breaker "on" position.
Sectional view when Fig. 4 is this utility model vacuum circuit breaker gate-dividing state.
Fig. 5 is the exploded partial view of actuating axle.
Fig. 6 is the explosive view of insulated tension pole.
Specific embodiment
To make one of ordinary skill in the art be more clearly understood from the purpose of this utility model, technical scheme and excellent Point, is further elaborated to this utility model below in conjunction with drawings and Examples.
As shown in figure 1, vacuum circuit breaker includes framework 10, the pole 20 being installed on framework 10 and actuating axle 30.In the embodiment shown in fig. 1, the vacuum circuit breaker is provided with three poles 20, is mainly used for three alternating current rings In border, and in other embodiments, also can only set a pole 20.
As shown in Figures 2 to 4, pole 20 includes pole body 21, vacuum interrupter 22 and insulated tension pole 23.Its In, pole body 21 is integrally formed by epoxide resin material Jing vacuum APG pressure injections, and vacuum interrupter 22 is encapsulated in 21 inner chamber of pole body In, its static conductive rod 221 is connected to the first terminal 211 on pole body 21, and its moving conductive rod 222 is connected to located at pole Second terminal 212 on body 21, the terminals of the first terminal 211 expose outside pole body 21, and the terminals of Second terminal 212 expose Go out pole body 21.One end of vacuum interrupter 22 is provided with the insulated cavity 213 in pole body 21.Insulated tension pole 23 is located at insulation In chamber 213,23 one end of insulated tension pole is connected with the moving conductive rod 222 of vacuum interrupter 22, and the other end is connected with actuating axle 30, Moving conductive rod 222 can be made under the drive of actuating axle 30 to move axially back and forth to realize vacuum circuit breaker along vacuum interrupter 22 Divide, close a floodgate.21 outer wall of pole body sets outer wall full skirt 2131, insulated tension pole 23 when 214, insulated cavity, 213 inwall sets inwall full skirt Surface set insulated tension pole full skirt side 234.Outer wall full skirt is in 214, inwall full skirt 2131 and insulated tension pole full skirt side 234 Design causes vacuum circuit breaker that larger creep age distance is provided with the case of given volume, meets vacuum circuit breaker small-sized The needs of change.
Further, the first terminal 211 includes the static side wire outlet seat copper bar 2111 and end of incoming cables for being fixed on pole body 2112.Second terminal 212 includes be flexible coupling copper bar 2121 and leading-out terminal 2122.End of incoming cables 2112 can be relative with leading-out terminal 2122 Located at the centre position of 21 both sides external of pole body, to increase insulation distance.
Further, insulating boot box 215 can be set with reinforced insulation performance outside end of incoming cables 2112 and/or leading-out terminal 2122.
Further, end of incoming cables 2112 and/or leading-out terminal 2122 can also set embedding for the fixed copper seat for supporting disconnecting switch Part (not shown on figure).
Further, the end of static conductive rod 221 is connected by screw 216 with static side wire outlet seat copper bar 2111, by spiral shell Nail connection vacuum interrupter 22 and static side wire outlet seat copper bar 2111 so that vacuum interrupter 22 and static side wire outlet seat copper bar 2111 it Between compress, it is ensured that electric conductivity is stablized.Can speculate, in other embodiment, it is possible to use other securing members connect Static conductive rod 221 and wire outlet seat copper bar 2111.
Further, pole body 21 pulls down insulation plug 217 corresponding to detachable insulation plug 217 is set at screw 216 Afterwards, unscrew nut, you can vacuum interrupter 22 is pulled down from pole body 21, vacuum interrupter 22 is convenient for changing.
Further, one layer of silastic cord breaker 223 can be coated outside vacuum interrupter 22, vacuum interrupter 22 is being installed Into pole body 21 during, silastic cord breaker 223 can play cushioning effect, while silastic cord breaker 223 can also Ensure perpendicularity, concentricity and the sealing of vacuum interrupter 22.
Further, 21 outer wall of pole body is set for pole 20 to be installed on the erecting bed 218 of framework 10, erecting bed 218 form step with 213 edge of opening of insulated cavity 2132.The erecting bed 218 of step can save the peace of pole 20 Dress space, makes vacuum circuit breaker miniaturization.
As shown in Figures 3 to 5, actuating axle 30 includes rotary shaft 31, one group of slave arm is set corresponding to each pole 20 32 and transmission arm 33.Rotary shaft 31 is located at framework 10 and rotates in the case where external agency drives.32 adapter sleeve of slave arm is located at rotation On axle 31.33 both sides of transmission arm set guide plate 331, and framework 10 is fixed in 331 one end of guide plate, and the other end is sheathed on rotary shaft 31.33 one end of transmission arm is pivotably coupled to guide plate 331 by the first pin 332, and the other end is connected with slave arm 32. On guide plate 331, along the elongated pilot hole 3311 that crosses guide plate of being axially arranged with of vacuum interrupter 22, the second pin 333 by Arrive outward it is interior be each passed through pilot hole 3311, the middle part of transmission arm 33, located at 23 outer end of insulated tension pole push-pull bar 121 (on figure not Illustrate).Second pin 333 can be moved along 3311 length direction of pilot hole.
Further, roller housing 3331 is set between the second pin 333 and pilot hole 3311, the setting of roller housing 3331 is caused Motion of second pin 333 in pilot hole 3311 is more smooth, and increases the wear-resisting intensity of the second pin 333.
The course of work of actuating axle 30 is as follows:When rotary shaft 31 is rotated under external agency's drive, slave arm 32 is therewith Swing, dynamic transmission arm 33 is moved with the swing of slave arm 32, slave arm 33 drives the second pin 333 being oriented to when moving Move left and right in hole 3331, the opening and closing lock of vacuum interrupter 22 is realized so as to drive insulated tension pole motion.Slave arm 32 and connection Swing arm 33 has less size, by slave arm 32 and the cooperation of transmission arm 33, is realizing that 22 switching of vacuum interrupter is same When reduced the volume of vacuum circuit breaker.
As shown in fig. 6, corresponding to each pole 20 insulated tension pole 23 include push-pull bar 231, insulation cylinder 232 with And connecting rod 233.Outer wall of the insulated tension pole full skirt side 234 located at insulation cylinder 232.Insulation cylinder 232 is towards vacuum interrupter 22 one end sets pull bar chamber 2322, and 2322 inwall of pull bar chamber has female thread, sets a spring for having initial pressure in pull bar chamber 2322 2323 and the nut 2324 being spirally connected with pull bar cavity wall.Inner chamber of the connecting rod 233 through nut 2324, and towards spring 2323 one end is formed with collar 2331 and diameter is slightly less than the termination 2332 of collar.Stretch into spring 2323, collar in termination 2332 2331 sides are only offseted with spring 2323, and opposite side is only offseted and is limited to pull bar chamber 2322 by nut 2324 with nut 2324 It is interior.Connecting rod 233 is located at the part on the outside of nut 2324 can opposing nut motion.
When vacuum circuit breaker closes a floodgate, the course of work of insulated tension pole is as follows:Push-pull bar 231 is under the drive of the second pin 333 It is moved to the left until the dynamic/static contact of vacuum interrupter 22 contacts.To reduce contact bounce, the sound of vacuum interrupter 22 is touched Behind head joint, push-pull bar 231 under the drive of the second pin 333 may proceed to be moved to the left, and now push-pull bar 231 promotes insulation Cylinder 232 continues to move to left, and the nut 2324 for being bolted in 2322 inwall of pull bar chamber is moved to left therewith so that nut 2324 and connecting rod 233 generations are moving axially relative.Shrink to 2323 right-hand member of spring terminated in pull bar chamber 2322 is pressurized, pressure is passed by left end It is handed to connecting rod 233 so that 233 stress of connecting rod is reducing contact bounce.
During vacuum circuit breaker separating brake, the course of work of insulated tension pole is as follows:Push-pull bar 231 is under the drive of the second pin 333 Move right, connecting rod 233 is moved right under the pulling of insulated tension pole 231 simultaneously with insulation cylinder 232 and realizes separating brake.
Preferred embodiment of the present utility model is the foregoing is only, rather than any pro forma limit is done to this utility model System.Those skilled in the art can impose the change and improvement of various equivalents on the basis of above-described embodiment, all to want in right The equivalent variations done in the range of asking or modification, all should fall within protection domain of the present utility model.

Claims (10)

1. a kind of vacuum circuit breaker, it is characterised in that include:
Framework;
Pole, which is fixed on the framework, and which includes pole body, positioned at the vacuum extinction of the pole column body Room and the insulated tension pole being connected with the vacuum interrupter, the pole column body are formed with insulated cavity, the insulated tension pole Positioned at the insulation intracavity, the outer wall of the pole body is provided with outer wall full skirt side, and the inwall of the insulated cavity is provided with inwall full skirt Side, is provided with insulated tension pole full skirt side at the surface of the insulated tension pole;
Actuating axle, is arranged on the framework, and the actuating axle is connected to the insulated tension pole, drives the insulated tension pole to move Make and then control the moving conductive rod of the vacuum interrupter and the division of static conductive rod.
2. vacuum circuit breaker as claimed in claim 1, it is characterised in that the outer wall of the pole body sets end of incoming cables and outlet End, the end of incoming cables and leading-out terminal are relatively externally provided with absolutely located at the both sides of the pole body, the end of incoming cables and/or leading-out terminal Edge cover box.
3. vacuum circuit breaker as claimed in claim 2, it is characterised in that the end of incoming cables and/or leading-out terminal are set for fixing Support the copper seat inserts of disconnecting switch.
4. vacuum circuit breaker as claimed in claim 1, it is characterised in that the external wall of the pole sets erecting bed, the installation Platform forms step with the edge of opening of the insulated cavity.
5. vacuum circuit breaker as claimed in claim 1, it is characterised in that the end of the static conductive rod of the vacuum interrupter leads to Cross a securing member and be removably connected to the pole, the pole is dismantled and assembled exhausted corresponding to setting at the securing member Edge plug.
6. vacuum circuit breaker as claimed in claim 1, it is characterised in that the vacuum extinction chamber outer wall sets layer of silica gel.
7. vacuum circuit breaker as claimed in claim 1, it is characterised in that the actuating axle includes in the case where external agency drives The rotary shaft of rotation, the rotary shaft are located at the framework, and fastening in the rotary shaft is arranged slave arm, described slave arm one end It is connected with transmission arm, the transmission arm is fixed with the insulated tension pole and drives the insulated tension pole to move forward and backward.
8. vacuum circuit breaker as claimed in claim 7, it is characterised in that the transmission arm both sides set guide plate, the linkage Arm one end is pivotably coupled between the guide plate of both sides by the first pin, and the other end is connected with the slave arm, described to lead Pilot hole is axially set along vacuum interrupter to plate, the pilot hole is passed through by the second pin in the middle part of the slave arm, described the Two pins can be moved along the pilot hole length direction, and second pin is fixed on and described in the insulated tension pole outer end Move under the drive of two pins.
9. vacuum circuit breaker as claimed in claim 8, it is characterised in that set rolling between second pin and the pilot hole Wheel case.
10. vacuum circuit breaker as claimed in claim 1, it is characterised in that the insulated tension pole includes insulation cylinder and company Extension bar, the insulation cylinder set pull bar chamber towards one end of the vacuum interrupter, and the pull bar intracavity puts one initial pressure Spring, described connecting rod one end is movably disposed in the pull bar chamber by a nut and is only offseted with the spring, another End is connected with the movable end of vacuum arc extinguishing chamber.
CN201621053773.7U 2016-09-13 2016-09-13 Vacuum circuit breaker Active CN206076153U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621053773.7U CN206076153U (en) 2016-09-13 2016-09-13 Vacuum circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621053773.7U CN206076153U (en) 2016-09-13 2016-09-13 Vacuum circuit breaker

Publications (1)

Publication Number Publication Date
CN206076153U true CN206076153U (en) 2017-04-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621053773.7U Active CN206076153U (en) 2016-09-13 2016-09-13 Vacuum circuit breaker

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158497A (en) * 2016-09-13 2016-11-23 亚洲电力设备(深圳)股份有限公司 Vacuum circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158497A (en) * 2016-09-13 2016-11-23 亚洲电力设备(深圳)股份有限公司 Vacuum circuit breaker

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China

Patentee after: Asia Electrical Power Equipment (Shenzhen) Co.,Ltd.

Address before: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China

Patentee before: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co.,Ltd.

CP01 Change in the name or title of a patent holder