CN109616370B - Solid-sealed pole and vacuum circuit breaker - Google Patents
Solid-sealed pole and vacuum circuit breaker Download PDFInfo
- Publication number
- CN109616370B CN109616370B CN201811511255.9A CN201811511255A CN109616370B CN 109616370 B CN109616370 B CN 109616370B CN 201811511255 A CN201811511255 A CN 201811511255A CN 109616370 B CN109616370 B CN 109616370B
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- China
- Prior art keywords
- heat dissipation
- insulating shell
- conducting rod
- embedded pole
- end conducting
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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.)
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 105
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 16
- 239000006185 dispersion Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
Abstract
The invention provides an embedded pole and a vacuum circuit breaker, which comprise an embedded pole and an operating mechanism, wherein the embedded pole comprises an insulating shell and a vacuum arc-extinguishing chamber, the vacuum arc-extinguishing chamber comprises a static end conducting rod and a dynamic end conducting rod, an upper outgoing line terminal corresponding to the static end conducting rod and a lower outgoing line terminal corresponding to the dynamic end conducting rod are arranged on the insulating shell, the dynamic end conducting rod and the lower outgoing line terminal are communicated through flexible connection, and a heat dissipation port penetrating through the side wall of the insulating shell is arranged at a position, corresponding to the lower outgoing line terminal, on the insulating shell along the radial direction, so that the problem that heat is accumulated in the insulating shell and the heat dissipation performance is poor is solved.
Description
Technical Field
The invention particularly relates to a solid-sealed polar pole and a vacuum circuit breaker.
Background
The solid-sealed pole type vacuum circuit breaker has the advantages of strong arc extinguishing capability, long electric service life, convenience in field maintenance, high technical content and the like, and becomes the preferred equipment for model selection of high-voltage circuit breakers with voltage levels of 40.5kV and below in basic construction and non-oil transformation of a power system. The embedded pole is an integral component integrating a maintenance-free vacuum arc-extinguishing chamber and a conductive component, wherein the vacuum arc-extinguishing chamber is also called a vacuum switch tube or a vacuum bulb and is a core device of a vacuum switch. The vacuum arc-extinguishing chamber uses a pair of electrodes and other parts sealed in vacuum to implement closing and breaking of circuit by means of vacuum insulation and arc-extinguishing property.
The existing solid-sealed pole mainly comprises an insulating shell, an upper wire outlet seat for leading in current, a vacuum arc extinguish chamber, a lower wire outlet seat for leading out the current, a static contact of the vacuum arc extinguish chamber and an upper wire outlet seat which are electrically connected, a movable conductive rod of the vacuum arc extinguish chamber and a lower wire outlet seat which are electrically connected through a slider and a spring contact finger, and the structure can ensure better conductive performance and insulating effect, but the structure of a sliding contact connection mode is complex, the assembly process is complex, the cost is high, and the heat dissipation effect is poor due to the fact that the structure is compact.
To the above situation, the prior art improves the mode of the electrical connection of the contact finger of the slider and the spring into the mode of flexible connection, chinese utility model patent with the publication number of CN204706509U discloses a flexible connection structure of the solid sealed pole, the vacuum interrupter moves the end conducting rod and electrically connects with the conductive clamp, the conductive clamp and the connecting block are fixed through the bolt or the welding mode for the flexible connection, the connecting block is electrically connected with the lower wire outlet seat through the bolt, compare in the form that the electrical connection of the contact finger of slider and spring, increase the vacant space between the lower wire outlet seat and the conductive clamp, heat dispersion has been promoted, but the heat that circuit breaker work produced still gathers in the insulating housing, heat dispersion is still relatively poor.
Disclosure of Invention
The invention provides a solid-sealed polar pole which is used for solving the problems that heat is accumulated in an insulating shell and the heat dissipation performance is poor; the invention also provides a vacuum circuit breaker, which is used for solving the problem that the performance of the vacuum circuit breaker is influenced due to poor heat dissipation performance of the solid-sealed pole.
In order to achieve the purpose, the technical scheme of the embedded pole is as follows:
the solid-sealed pole comprises an insulating shell and a vacuum arc extinguish chamber, wherein the vacuum arc extinguish chamber comprises a static end conducting rod and a movable end conducting rod, an upper outgoing line terminal corresponding to the static end conducting rod and a lower outgoing line terminal corresponding to the movable end conducting rod are arranged on the insulating shell, the movable end conducting rod and the lower outgoing line terminal are conducted through flexible connection, and a heat dissipation opening penetrating through the side wall of the insulating shell is formed in the insulating shell and in the position, corresponding to the lower outgoing line terminal, along the radial direction.
The beneficial effects are that: on the basis of adopting the flexible connection, the insulating shell corresponding to the lower outgoing line terminal along the radial direction is provided with the heat dissipation port, so that the cavity where the lower outgoing line terminal is located is communicated with the outside, heat generated by the cavity where the lower outgoing line terminal is located cannot be gathered in the insulating shell, and is dissipated through the heat dissipation port, and the heat dissipation performance is improved.
Furthermore, at least two heat dissipation ports are arranged on the insulating shell, a heat dissipation area is formed on the insulating shell through the heat dissipation ports, and reinforcing ribs used for isolating the heat dissipation ports are arranged between the adjacent heat dissipation ports.
The beneficial effects are that: the insulating shell is provided with at least two heat dissipation ports, and a heat dissipation area formed by the heat dissipation ports increases the heat dissipation area of the solid-sealed polar pole and improves the heat dissipation performance of the solid-sealed polar pole; set up the strengthening rib between adjacent thermovent, strengthen the structural strength of thermovent department, guarantee to seal the intensity of utmost point post admittedly.
Furthermore, the heat dissipation port is arranged on the insulating shell above the lower outlet terminal.
The beneficial effects are that: the top of leading-out terminal is in solid utmost point post circular telegram operation in-process down, and consequently the department tie point is comparatively intensive, can produce a large amount of heats, sets up the thermovent in the top of leading-out terminal down, promotes the heat dispersion of solid utmost point post of sealing.
Furthermore, the insulating shell is provided with a round hole for communicating the lower outlet terminal with the outside of the solid-sealed polar pole, and the lower side surface of the inner wall of the heat dissipation port is an arc surface matched with the outline of the round hole.
The beneficial effects are that: the inner wall lower side of the heat dissipation opening is provided with an arc surface matched with the outline of the round hole, and the lower side of the heat dissipation opening is provided with a part surrounding the round hole, so that the area of the heat dissipation opening is increased.
Furthermore, a boss is arranged on the side wall of the insulating shell corresponding to the lower wire outlet terminal, the lower wire outlet terminal is arranged in the boss, and the heat dissipation opening is arranged in the boss.
The beneficial effects are that: the heat dissipation port is arranged in the boss, so that the depth of the heat dissipation port is deepened, and dust is not easy to directly enter the insulating shell through the heat dissipation port.
Furthermore, the solid-sealed polar pole comprises a conductive clamp electrically connected with the movable end conductive rod, and the heat dissipation port and the conductive clamp radially correspond to each other along the insulating shell.
The beneficial effects are that: the conductive clamp is electrically connected with the movable end conductive rod, heat generated during working at the position is easy to gather, the heat dissipation port and the conductive clamp correspond to each other along the radial direction of the insulating shell, the heat dissipation port is opposite to the conductive clamp, the heat dissipation performance at the position of the conductive clamp is improved, and therefore the heat dissipation performance in the insulating shell is improved.
Furthermore, the conductive clip is provided with a radiating fin for increasing the radiating area of the conductive clip.
The beneficial effects are that: the heat dissipation fins are arranged on the conductive clamp, so that the heat dissipation area of the conductive clamp is increased, and the heat dissipation efficiency of the conductive clamp is improved.
Furthermore, an air flow channel extending up and down is arranged on the insulating shell, the upper end of the air flow channel is communicated with the outside of the solid-sealed polar pole, and the lower end of the air flow channel is communicated with a cavity where the movable end conducting rod is located.
The beneficial effects are that: the air flow channel that extends about setting up on insulating housing, when the inside heat of solid utmost point post increases, the heat can flow from thermovent and air flow channel simultaneously, and the thermovent forms the route with air flow channel in addition, promotes the heat dispersion of solid utmost point post of sealing.
In order to achieve the purpose, the technical scheme of the vacuum circuit breaker provided by the invention is as follows:
vacuum circuit breaker, including solid utmost point post and operating mechanism sealed, gu seal utmost point post and include insulating housing and vacuum interrupter, vacuum interrupter includes quiet end conducting rod and moves end conducting rod, is equipped with the last leading-out terminal that corresponds with quiet end conducting rod and the lower leading-out terminal that corresponds with moving end conducting rod on the insulating housing, moves and switches on through the flexible coupling between end conducting rod and the lower leading-out terminal, be equipped with the thermovent that link up the insulating housing lateral wall with lower leading-out terminal along the position that radially corresponds on the insulating housing.
The beneficial effects are that: on the basis of adopting the flexible connection, the insulating shell corresponding to the lower outgoing line terminal along the radial direction is provided with the heat dissipation port, so that the cavity where the lower outgoing line terminal is located is communicated with the outside, heat generated by the cavity where the lower outgoing line terminal is located cannot be gathered in the insulating shell, and is dissipated through the heat dissipation port, and the heat dissipation performance is improved.
Furthermore, at least two heat dissipation ports are arranged on the insulating shell, a heat dissipation area is formed on the insulating shell through the heat dissipation ports, and reinforcing ribs used for isolating the heat dissipation ports are arranged between the adjacent heat dissipation ports.
The beneficial effects are that: the insulating shell is provided with at least two heat dissipation ports, and a heat dissipation area formed by the heat dissipation ports increases the heat dissipation area of the solid-sealed polar pole and improves the heat dissipation performance of the solid-sealed polar pole; set up the strengthening rib between adjacent thermovent, strengthen the structural strength of thermovent department, guarantee to seal the intensity of utmost point post admittedly.
Furthermore, the heat dissipation port is arranged on the insulating shell above the lower outlet terminal.
The beneficial effects are that: the upper part of the lower outlet terminal is in the electrifying operation process of the solid-sealed polar pole, so that the connection joints are dense, a large amount of heat can be generated, and the heat dissipation port is arranged above the lower outlet terminal, so that the heat dissipation performance of the solid-sealed polar pole is improved.
Furthermore, the insulating shell is provided with a round hole for communicating the lower outlet terminal with the outside of the solid-sealed polar pole, and the lower side surface of the inner wall of the heat dissipation port is an arc surface matched with the outline of the round hole.
The beneficial effects are that: the inner wall lower side of the heat dissipation opening is provided with an arc surface matched with the outline of the round hole, and the lower side of the heat dissipation opening is provided with a part surrounding the round hole, so that the area of the heat dissipation opening is increased.
Furthermore, a boss is arranged on the side wall of the insulating shell corresponding to the lower wire outlet terminal, the lower wire outlet terminal is arranged in the boss, and the heat dissipation opening is arranged in the boss.
The beneficial effects are that: the heat dissipation port is arranged in the boss, so that the depth of the heat dissipation port is deepened, and dust is not easy to directly enter the insulating shell through the heat dissipation port.
Furthermore, the solid-sealed polar pole comprises a conductive clamp electrically connected with the movable end conductive rod, and the heat dissipation port and the conductive clamp radially correspond to each other along the insulating shell.
The beneficial effects are that: the conductive clamp is electrically connected with the movable end conductive rod, heat generated during working at the position is easy to gather, the heat dissipation port and the conductive clamp correspond to each other along the radial direction of the insulating shell, the heat dissipation port is opposite to the conductive clamp, the heat dissipation performance at the position of the conductive clamp is improved, and therefore the heat dissipation performance in the insulating shell is improved.
Furthermore, the conductive clip is provided with a radiating fin for increasing the radiating area of the conductive clip.
The beneficial effects are that: the heat dissipation fins are arranged on the conductive clamp, so that the heat dissipation area of the conductive clamp is increased, and the heat dissipation efficiency of the conductive clamp is improved.
Furthermore, an air flow channel extending up and down is arranged on the insulating shell, the upper end of the air flow channel is communicated with the outside of the solid-sealed polar pole, and the lower end of the air flow channel is communicated with a cavity where the movable end conducting rod is located.
The beneficial effects are that: the air flow channel that extends about setting up on insulating housing, when the inside heat of solid utmost point post increases, the heat can flow from thermovent and air flow channel simultaneously, and the thermovent forms the route with air flow channel in addition, promotes the heat dispersion of solid utmost point post of sealing.
Drawings
Fig. 1 is a half sectional view of an embedded pole according to an embodiment of the embedded pole of the present invention;
fig. 2 is a front view of the embedded pole according to the embodiment of the present invention;
fig. 3 is a bottom view of the embedded pole according to the embodiment of the present invention;
fig. 4 is a top view of the embedded pole according to the embodiment of the present invention;
fig. 5 is a side view of an embedded pole of an embodiment of the embedded pole of the present invention;
fig. 6 is a left side view of the embedded pole of the embodiment of the embedded pole of the present invention;
fig. 7 is a schematic structural view illustrating a connection between a flexible connection assembly and a lower outlet terminal according to an embodiment of the embedded pole of the invention;
fig. 8 is a schematic structural diagram of a heat sink of the flexible connection assembly according to the embodiment of the embedded pole of the present invention;
fig. 9 is a schematic structural view of a conductive clip of the flexible connection assembly according to the embodiment of the embedded pole of the present invention;
in the figure, 1-upper outlet terminal; 2-a vacuum arc-extinguishing chamber; 3-an insulating housing; 4-a flexible connection assembly; 41-a heat sink; 411-fixation holes; 42-flexible connection; 43-a conductive clip; 431-a heat sink; 5-lower outlet terminal; 6-static end conducting rod; 7-moving end conducting rod; 8-a heat dissipation port; 9-air flow channel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the solid-sealed polar pole of the invention, as shown in fig. 1-9, the solid-sealed polar pole comprises an insulating shell 3 made of a vacuum arc-extinguishing chamber 2 and epoxy resin, the vacuum arc-extinguishing chamber 2 is positioned inside the insulating shell 3, the vacuum arc-extinguishing chamber 2 comprises a static end conducting rod 6 arranged inside the upper end of the vacuum arc-extinguishing chamber 2, an upper outlet terminal 1 is correspondingly connected with the static end conducting rod 6, specifically, as shown in fig. 1, a movable end conducting rod 7 is arranged inside the lower end of the vacuum arc-extinguishing chamber 2, a lower outlet terminal 5 is connected with the movable end conducting rod 7 through a flexible connecting component 4, and the insulating shell 3 is provided with circular holes for communicating the upper outlet terminal 1 and the lower outlet terminal 5 with the outside.
The flexible connecting assembly 4 includes a flexible connection 42, a conductive clip 43 connected to the upper end of the flexible connection 42, and a heat sink 41 located at the connecting position of the upper and lower ends of the flexible connection 42, as shown in fig. 7, 8 and 9, the conductive clip 43 is connected to the movable end conductive rod 7, and the flexible connection 42 connects the conductive clip 43 and the lower outlet terminal 5. The flexible connection assembly 4 is provided with three flexible connections which are respectively fixedly connected with three circumferential side surfaces of the conductive clamp 43, each connection position is connected with a radiating fin 41 for increasing the radiating area, the rest one side edge is formed by a radiating fin 431 which is integrally formed, and the radiating fins 41 and the radiating fins 431 increase the contact area of the conductive clamp 43 and air, so that the radiating performance of the conductive clamp 43 is improved; the heat sink is provided with a fixing hole 411, the heat sink 41 and the flexible connector 42 are fixed to the conductive clip 43 through the fixing hole 411, and the heat sink 41 is connected to both the lower end of the flexible connector 42 and the circumferential side surface of the lower outlet terminal 5.
Two heat dissipation ports 8 are arranged on the side wall of the insulating shell 3, as shown in fig. 2 and 5, the two heat dissipation ports are respectively a left heat dissipation port and a right heat dissipation port, the left and right heat dissipation ports form a heat dissipation area, the left and right heat dissipation ports are symmetrically arranged along the central line of the insulating shell 3 and radially penetrate through the side wall of the insulating shell 3, so that the inside of the insulating shell 3 is communicated with the outside; the left and right heat dissipation ports are positioned above the lower wire outgoing terminal 5 and radially correspond to the conductive clamp 43 in the insulating shell 3, and the lower side surfaces of the inner walls of the left and right heat dissipation ports are provided with circular arcs matched with the circular hole profiles of the lower wire outgoing terminal 5 in a penetrating manner, namely the lower side surfaces of the inner walls of the left and right heat dissipation ports are arranged around the circular hole profiles; reinforcing ribs are arranged on the symmetrical central lines of the left and right heat dissipation ports on the insulating shell 3, and not only can the left and right heat dissipation ports be separated by the reinforcing ribs, but also the strength of the heat dissipation ports 8 can be enhanced; the side wall of the insulating shell 3 is provided with a boss corresponding to the position of the lower outlet terminal, the lower outlet terminal 5 is arranged in the boss, and the heat dissipation port 8 is also arranged in the boss.
Three airflow channels 9 are arranged on the circumferential side wall of the insulating shell 3, as shown in fig. 3 and 4, the three airflow channels 9 are respectively arranged on the remaining side walls except for the upper and lower outlet terminals 5, each airflow channel 9 corresponds to the side wall of one insulating shell 3, the airflow channels 9 extend up and down, the upper ends of the airflow channels 9 are communicated with the outside of the solid-sealed polar columns, and the lower ends of the airflow channels 9 are communicated with the cavity where the movable-end conducting rod 7 is located.
In this embodiment, the heat dissipation openings are disposed on one side wall of the insulating housing, and the remaining three side walls are disposed with the airflow channels.
In this embodiment, two heat dissipation openings are symmetrically disposed on the side wall of the insulating housing, and in other embodiments, only one heat dissipation opening may be disposed, and one heat dissipation opening directly forms a heat dissipation area.
In the present embodiment, the heat dissipation opening is disposed above the lower outlet terminal, and in other embodiments, the heat dissipation opening is disposed on the peripheral side of the lower outlet terminal.
In this embodiment, the lower side surface of the inner wall of the heat dissipation opening is an arc surface matched with the profile of the circular hole, and in other embodiments, the heat dissipation opening can be a square opening or a circular opening.
In this embodiment, the conductive clip is provided with the heat dissipation fins, and in other embodiments, the conductive clip may not be provided with the heat dissipation fins, and only the heat dissipation fins connected to the conductive clip dissipate heat.
In this embodiment, a heat sink is attached to the conductive clip, and in other embodiments, the conductive clip may not be attached to the heat sink to dissipate heat.
The embodiment of the vacuum circuit breaker of the invention is as follows: the vacuum circuit breaker comprises a solid-sealed polar pole connected with the operating mechanism, and the solid-sealed polar pole has the same structure as the solid-sealed polar pole, and is not repeated one by one.
Claims (8)
1. Gu seal utmost point post, including insulating housing and vacuum interrupter, vacuum interrupter includes quiet end conducting rod and moves end conducting rod, is equipped with on the insulating housing with quiet last leading-out terminal that the end conducting rod corresponds and with move the lower leading-out terminal that the end conducting rod corresponds, move and switch on its characterized in that through the flexible coupling between end conducting rod and the lower leading-out terminal: a heat dissipation port penetrating through the side wall of the insulating shell is arranged at a position, corresponding to the lower outlet terminal, on the insulating shell along the radial direction; the embedded pole comprises a conductive clamp electrically connected with the movable end conductive rod, and the heat dissipation port corresponds to the conductive clamp along the radial direction of the insulating shell; the upper end and the lower end of the flexible connection are connected with a conductive clip and a lower outlet terminal, and the conductive clip is connected with a radiating fin; the radiating fin is provided with a fixing hole, and the radiating fin and the flexible connection are fixed on the conductive clamp through the fixing hole.
2. The embedded pole of claim 1, wherein: the insulating shell is at least provided with two heat dissipation ports, the heat dissipation ports form a heat dissipation area on the insulating shell, and reinforcing ribs used for isolating the heat dissipation ports are arranged between the adjacent heat dissipation ports.
3. The embedded pole of claim 2, wherein: the heat dissipation port is arranged above the lower outlet terminal.
4. The embedded pole of claim 3, wherein: the insulating shell is provided with a round hole for communicating the lower outlet terminal with the outside of the solid-sealed polar pole, and the lower side surface of the inner wall of the heat dissipation port is a cambered surface matched with the outline of the round hole.
5. The embedded pole according to any one of claims 1 to 4, wherein: the side wall of the insulating shell is provided with a boss corresponding to the lower wire outlet terminal, the lower wire outlet terminal is arranged in the boss, and the heat dissipation port is arranged in the boss.
6. The embedded pole according to any one of claims 1 to 4, wherein: and the conductive clip is provided with a radiating fin for increasing the radiating area of the conductive clip.
7. The embedded pole according to any one of claims 1 to 4, wherein: and the insulating shell is provided with an air flow channel extending up and down, the upper end of the air flow channel is communicated with the outside of the solid-sealed polar pole, and the lower end of the air flow channel is communicated with the cavity where the movable end conducting rod is located.
8. Vacuum circuit breaker, including solid utmost point post and operating mechanism, its characterized in that of sealing: the embedded pole is the embedded pole according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511255.9A CN109616370B (en) | 2018-12-11 | 2018-12-11 | Solid-sealed pole and vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511255.9A CN109616370B (en) | 2018-12-11 | 2018-12-11 | Solid-sealed pole and vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109616370A CN109616370A (en) | 2019-04-12 |
| CN109616370B true CN109616370B (en) | 2020-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811511255.9A Active CN109616370B (en) | 2018-12-11 | 2018-12-11 | Solid-sealed pole and vacuum circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN109616370B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679593A (en) * | 2016-03-31 | 2016-06-15 | 许昌永新电气股份有限公司 | High-voltage vacuum circuit breaker pole |
| CN106653463A (en) * | 2016-12-26 | 2017-05-10 | 天津平高智能电气有限公司 | Fixation and encapsulation pole rod with built-in radiator |
| CN106935439A (en) * | 2017-03-16 | 2017-07-07 | 平高集团有限公司 | A kind of pole and the breaker using the pole |
| CN106971901A (en) * | 2017-04-21 | 2017-07-21 | 麦克奥迪（厦门）电气股份有限公司 | Great-current fixed sealed pole and its manufacture method |
| CN207217391U (en) * | 2017-09-25 | 2018-04-10 | 河南森源电气股份有限公司 | Pole, soft connection component and breaker |
-
2018
- 2018-12-11 CN CN201811511255.9A patent/CN109616370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679593A (en) * | 2016-03-31 | 2016-06-15 | 许昌永新电气股份有限公司 | High-voltage vacuum circuit breaker pole |
| CN106653463A (en) * | 2016-12-26 | 2017-05-10 | 天津平高智能电气有限公司 | Fixation and encapsulation pole rod with built-in radiator |
| CN106935439A (en) * | 2017-03-16 | 2017-07-07 | 平高集团有限公司 | A kind of pole and the breaker using the pole |
| CN106971901A (en) * | 2017-04-21 | 2017-07-21 | 麦克奥迪（厦门）电气股份有限公司 | Great-current fixed sealed pole and its manufacture method |
| CN207217391U (en) * | 2017-09-25 | 2018-04-10 | 河南森源电气股份有限公司 | Pole, soft connection component and breaker |
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| Publication number | Publication date |
|---|---|
| CN109616370A (en) | 2019-04-12 |
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