CN203674061U - Solid-sealed pole - Google Patents
Solid-sealed pole Download PDFInfo
- Publication number
- CN203674061U CN203674061U CN201320689381.XU CN201320689381U CN203674061U CN 203674061 U CN203674061 U CN 203674061U CN 201320689381 U CN201320689381 U CN 201320689381U CN 203674061 U CN203674061 U CN 203674061U
- Authority
- CN
- China
- Prior art keywords
- switch
- pull bar
- contact
- vacuum interrupter
- installation cavity
- 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.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a solid-sealed pole, and the solid-sealed pole comprises a first inlet wire sleeve, a second inlet wire sleeve, and a vacuum arc-extinguishing chamber embedded into an insulating layer, wherein the static end of the vacuum arc-extinguishing chamber is electrically connected with the first inlet wire sleeve. The insulating layer forms an installation cavity, and a first pull rod is disposed in the installation cavity. The connecting end of the first pull rod is connected with the movable end of the vacuum arc-extinguishing chamber. The solid-sealed pole also comprises an isolation switch disposed in the installation cavity. The connecting end of the isolation switch is electrically connected with the movable end of the vacuum arc-extinguishing chamber. The second inlet wire sleeve is provided with a static contact which is disposed in the installation cavity. The contact end of the isolation switch can contact with the static end or be separated from the static end. The isolation switch is disposed in the installation cavity which is formed by the insulating layer, and the insulating layer enables the isolation switch and the vacuum arc-extinguishing chamber to be separated from the external environment, thereby preventing the external environment from affecting the isolation switch, improving the insulating strength, and guaranteeing the normal switching of a circuit.
Description
Technical field
The utility model relates to technical field of power systems, particularly relates to a kind of pole.
Background technology
Pole is that a kind of relevant conductive pieces by the vacuum interrupter of circuit breaker and other is embedded in the global facility forming in insulating material.
In high-voltage fence; pole can be used in combination with isolating switch conventionally; pole need to be electrically connected with isolating switch; because separating separately, pole and isolating switch arrange; therefore, can cause the link of pole and isolating switch to be exposed to external environment, the pollutant such as steam, dust in external environment can impact link; cause normally folding of isolating switch, whole circuit is impacted.
Utility model content
The purpose of this utility model is to provide a kind of pole, can avoid external environment to impact isolating switch, guarantees whole circuit normally.
A kind of pole provided by the utility model, comprise the first inlet-outlet sleeve, the second inlet-outlet sleeve and be embedded in the vacuum interrupter of insulating barrier, wherein the quiet end of vacuum interrupter is electrically connected mutually with the first inlet-outlet sleeve, described insulating barrier forms installs cavity, the first pull bar is placed in described installation cavity, and the link of described the first pull bar is connected with the moved end of described vacuum interrupter; Also comprise the isolating switch being arranged in described installation cavity, the link of described isolating switch is electrically connected mutually with the moved end of described vacuum interrupter; Described the second inlet-outlet sleeve is provided with fixed contact, and described fixed contact is placed in described installation cavity, and the contact jaw of described isolating switch can contact or be separated with described fixed contact.
Preferably, described isolating switch comprises the second pull bar and the isolation switch that are all arranged at described installation cavity, and the link of described the second pull bar is connected with described isolation switch, and the link of described isolation switch is electrically connected mutually with the moved end of described vacuum interrupter; The contact jaw of described isolation switch can contact or be separated with described fixed contact.
Preferably, also comprise the earthed switch that is arranged at described installation cavity, the contact jaw of described earthed switch can contact or be separated with described fixed contact.
Preferably, described earthed switch comprises the 3rd pull bar and the grounding switch that is all arranged at described installation cavity, described the 3rd pull bar is arranged at described installation cavity, described the 3rd link of pull bar and the link of described grounding switch are connected, and the contact jaw of described grounding switch can contact or be separated with described fixed contact.
Preferably, described isolating switch and the described earthed switch setting that is connected.
Preferably, the installation end of described isolation switch is hinged with the described insulating barrier of the setting position near described vacuum interrupter, the center position of described isolation switch is provided with installing hole, and the link of described the second pull bar is hinged by described installing hole and described isolation switch.
Preferably, the inside of described the second inlet-outlet sleeve is provided with gauze screen.
Preferably, described the second pull bar and described the 3rd pull bar are integral type setting, and the setting that is connected of described the second pull bar and described the 3rd pull bar.
Preferably, being connected between described isolating switch and the moved end of described vacuum interrupter is flexible coupling.
A kind of pole provided by the utility model, comprise the first inlet-outlet sleeve, the second inlet-outlet sleeve and be embedded in the vacuum interrupter of insulating barrier, the quiet end of vacuum interrupter is electrically connected mutually with the first inlet-outlet sleeve, the first pull bar is placed in the installation cavity that insulating barrier forms, and the link of the first pull bar is connected with the moved end of vacuum interrupter; Also comprise and be arranged at the isolating switch that cavity is installed, the link of isolating switch is electrically connected mutually with the moved end of vacuum interrupter; The second inlet-outlet sleeve is provided with fixed contact, and fixed contact is placed in installation cavity, and the contact jaw of isolating switch can contact or be separated with fixed contact.So arrange, the installation cavity forming by isolating switch being arranged to insulating barrier, and isolating switch and vacuum interrupter electrical connection, make isolating switch and vacuum interrupter form integral structure, and by isolating switch and the equal sealing of vacuum interrupter in insulating barrier, by utilizing insulating barrier to make isolating switch and vacuum interrupter and external environment isolated.In prior art, isolating switch arranges separately with vacuum interrupter and both links are exposed to compared with external environment, by utilizing insulating barrier to make isolating switch and vacuum interrupter and external environment isolated, can avoid external environment to impact isolating switch, improve dielectric strength, can guarantee the normal switching of circuit.
Accompanying drawing explanation
Fig. 1 provides the structural representation of pole in a kind of embodiment for the utility model;
Wherein:
Vacuum interrupter 1, isolation switch 2, grounding switch 3, fixed contact 4, the first pull bar 5, the second pull bar 6, the 3rd pull bar 7, the first inlet-outlet sleeve 8, the second inlet-outlet sleeve 9, insulating barrier 10, gauze screen 11, the first bearing pin 12, the second bearing pin 13.
Embodiment
Core of the present utility model is to provide a kind of pole, can avoid external environment to impact isolating switch, guarantees that whole circuit normally switches.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 1 provides the structural representation of pole in a kind of embodiment for the utility model.
In this embodiment, the second entrance bushing 9 that pole comprises the first entrance bushing 8, is oppositely arranged with the first entrance bushing 8, and be embedded in the vacuum interrupter 1 of insulating barrier 10, the quiet end of vacuum interrupter 1 is electrically connected mutually with the first inlet-outlet sleeve 8, in the installation cavity forming at insulating barrier 10, be also provided with the first pull bar 5 and isolating switch, wherein the link of the first pull bar 5 is connected with the moved end of vacuum interrupter 1, the other end of the first pull bar 5 protrudes from insulating barrier 10(and is exposed to the outside of insulating barrier, is placed in external environment); The second entrance bushing 9 is provided with fixed contact 4, and fixed contact 4 is placed in to be installed in cavity, and the moved end of the link of isolating switch and vacuum interrupter 1 is flexible coupling, and its contact jaw can contact or be separated with fixed contact 4.In the time that the contact jaw of isolating switch contacts with fixed contact, isolating switch is in closure state; In the time that the contact jaw of isolating switch and fixed contact are separated, the state of isolating switch in disconnecting.
So arrange, the installation cavity forming by isolating switch being arranged to insulating barrier 10, and isolating switch and vacuum interrupter 1 are electrically connected, and by isolating switch and the equal sealing of vacuum interrupter 1 in insulating barrier 10, make isolating switch and vacuum interrupter 1 form integral structure, by utilizing insulating barrier 10 to make isolating switch and vacuum interrupter 1 and external environment isolated, so can avoid external environment to impact isolating switch, improve dielectric strength, can guarantee the normal switching of circuit.
It should be noted that, in this embodiment, vacuum interrupter 1 is vacuum circuit-breaker or vacuum load switch, so in the time carrying out the switching of circuit, can guarantee at circuit to be to carry out the operation of isolating switch open circuit in the situation that.
In this embodiment, being connected between the moved end of the link of isolating switch and vacuum interrupter 1 is flexible coupling, can reduce the resistance of motion of the moved end of vacuum interrupter 1 with this, while guaranteeing that vacuum interrupter 1 matches work with isolating switch, the flexibility of the moved end motion of vacuum interrupter 1, can guarantee the accuracy of isolating switch closure, opening time.
In scheme further, to install in cavity and be also provided with earthed switch, the contact jaw of earthed switch can contact or be separated with fixed contact 4, and in the time that earthed switch contacts with fixed contact 4, earthed switch is in closure state; In the time that earthed switch and fixed contact are separated, earthed switch is in off-state.
In the time of commutation circuit, in order to guarantee the fail safe of circuit, need to first disconnect earthed switch, then could closed isolating switch.Therefore, for the compactedness that guarantees that isolating switch and earthed switch cooperatively interact, in this embodiment, the setting that is connected of isolating switch and earthed switch, isolating switch disconnects, and isolating switch will be closed; Isolating switch disconnects, and earthed switch will be closed.
In scheme further, isolating switch comprises the second pull bar 6 and isolation switch 2, the link of isolation switch 2 is electrically connected mutually with the moved end of vacuum interrupter 1, simultaneously, the link of isolation switch 2 is connected with the link of the second pull bar 6, and the other end of the second pull bar 6 protrudes from insulating barrier 10 and is fixedly connected with insulating barrier 10.The installation end of isolation switch 2 is hinged by the first bearing pin 12 with the insulating barrier 10 near vacuum interrupter 1 setting position, and the center position of isolation switch 2 is provided with installing hole, the link of the second pull bar 6 is hinged with isolation switch 2 by the second bearing pin 13 of penetrating mounting holes, so arrange, can guarantee the contact jaw realization of isolation switch 2 and contacting or being separated of fixed contact 4.
Simultaneously, earthed switch comprises the 3rd pull bar 7 and grounding switch 3, the contact jaw of grounding switch 3 can contact or be separated with fixed contact 4, the link of the link of grounding switch 3 and the 3rd pull bar 7 is hinged, and the other end of the 3rd pull bar 7 protrudes from insulating barrier 10 and is fixedly connected with insulating barrier 10.The contact jaw realization that can guarantee so, equally grounding switch 3 contacts or is separated with fixed contact 4.
It should be noted that, in this embodiment, in this embodiment, isolating switch and earthed switch are all the structures that adopt pull bar and disconnecting link to match, guarantee the normal folding of isolating switch and earthed switch, certainly, also do not get rid of and realize by other structure.
Also it should be noted that, in this embodiment, the second pull bar 6 and the 3rd pull bar 7 all can be along its setting parties to rising or declining, the rising by the second pull bar 6 and the 3rd pull bar 7 or decline and can realize respectively the contact jaw of isolation switch 2 and the contact jaw of grounding switch 3 contacts or is separated with fixed contact 4.In the time that control system control the second pull bar 6 rises, the contact jaw of isolation switch 2 contacts with fixed contact 4; In the process of moving to fixed contact 4 at the contact jaw of isolation switch 2, the 3rd pull bar 7 rises, and the contact jaw of grounding switch 3 and fixed contact 4 are separated; After grounding switch 3 separates completely with fixed contact 4, the second pull bar 6 continues to rise, and the contact jaw of finally realizing isolation switch 2 under the drive of the second pull bar 6 contacts with fixed contact 4.When the second pull bar 6 declines, the contact jaw of isolation switch 2 can be separated with fixed contact 4; When the 3rd pull bar 7 declines, the contact jaw of grounding switch 3 can contact with fixed contact 4.The process of process when the second pull bar 6 and the 3rd pull bar 7 decline when rising is contrary, therefore the detailed process in the time that this is not describing the second pull bar 6 and the 3rd pull bar 7 in detail and decline.
Need to further illustrate, in this embodiment, the first pull bar 5, the second pull bar 6 and the 3rd pull bar 7 are the pull bar that insulating material is made, and can guarantee the normal use of vacuum interrupter 1, isolation switch 2 and grounding switch 3.
In this embodiment, the second pull bar 6 and the 3rd pull bar 7 are to arrange separately, setting by control system can realize the interlock between isolating switch and earthed switch, certainly, do not get rid of the second pull bar and the 3rd pull bar is set to monolithic construction, further to guarantee the interlock setting of isolating switch and earthed switch yet.
In addition, in order to guarantee the insulation property of pole, be also provided with gauze screen 11 in the inside of the second inlet-outlet sleeve 9, can avoid the leakage of electromagnetism with this, further to improve the safety in utilization of pole.
Above a kind of pole provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (9)
1. a pole, comprise the first inlet-outlet sleeve (8), the second inlet-outlet sleeve (9) and be embedded in the vacuum interrupter (1) of insulating barrier (10), wherein the quiet end of vacuum interrupter (1) is electrically connected mutually with the first inlet-outlet sleeve (8), it is characterized in that, described insulating barrier (10) forms installs cavity, the first pull bar (5) is placed in described installation cavity, and the link of described the first pull bar (5) is connected with the moved end of described vacuum interrupter (1); Also comprise the isolating switch being arranged in described installation cavity, the link of described isolating switch is electrically connected mutually with the moved end of described vacuum interrupter (1);
Described the second inlet-outlet sleeve (9) is provided with fixed contact (4), and described fixed contact (4) is placed in described installation cavity, and the contact jaw of described isolating switch can contact or be separated with described fixed contact (4).
2. pole according to claim 1, it is characterized in that, described isolating switch comprises the second pull bar (6) and the isolation switch (2) that are all arranged at described installation cavity, the link of described the second pull bar (6) is connected with described isolation switch (2), and the link of described isolation switch (2) is electrically connected mutually with the moved end of described vacuum interrupter (1); The contact jaw of described isolation switch (2) can contact or be separated with described fixed contact (4).
3. pole according to claim 2, is characterized in that, also comprises the earthed switch that is arranged at described installation cavity, and the contact jaw of described earthed switch can contact or be separated with described fixed contact (4).
4. pole according to claim 3, it is characterized in that, described earthed switch comprises the 3rd pull bar (7) and the grounding switch (3) that are all arranged at described installation cavity, the link of described the 3rd pull bar (7) is connected with the link of described grounding switch (3), and the contact jaw of described grounding switch (3) can contact or be separated with described fixed contact (4).
5. pole according to claim 3, is characterized in that, the setting that is connected of described isolating switch and described earthed switch.
6. pole according to claim 4, it is characterized in that, the installation end of described isolation switch (2) is hinged with the described insulating barrier (10) of the setting position near described vacuum interrupter (1), the center position of described isolation switch (2) is provided with installing hole, and the link of described the second pull bar (6) is hinged by described installing hole and described isolation switch (2).
7. pole according to claim 1, is characterized in that, the inside of described the second inlet-outlet sleeve (9) is provided with gauze screen (11).
8. pole according to claim 4, it is characterized in that, described the second pull bar (6) and described the 3rd pull bar (7) are integral type setting, and the setting that is connected of described the second pull bar (6) and described the 3rd pull bar (7).
9. according to the pole described in arbitrary of claim 1 to 8, it is characterized in that, being connected between described isolating switch and the moved end of described vacuum interrupter (1) is flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689381.XU CN203674061U (en) | 2013-11-04 | 2013-11-04 | Solid-sealed pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689381.XU CN203674061U (en) | 2013-11-04 | 2013-11-04 | Solid-sealed pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674061U true CN203674061U (en) | 2014-06-25 |
Family
ID=50970328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689381.XU Expired - Fee Related CN203674061U (en) | 2013-11-04 | 2013-11-04 | Solid-sealed pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148207A (en) * | 2018-08-30 | 2019-01-04 | 许昌永新电气有限公司 | A kind of outdoor pole top switch major loop drive mechanism |
-
2013
- 2013-11-04 CN CN201320689381.XU patent/CN203674061U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148207A (en) * | 2018-08-30 | 2019-01-04 | 许昌永新电气有限公司 | A kind of outdoor pole top switch major loop drive mechanism |
| CN109148207B (en) * | 2018-08-30 | 2023-11-14 | 许昌永新电气有限公司 | Main loop transmission structure for outdoor pole switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |