CN113745043A - Vacuum circuit breaker and supporting conductor structure thereof - Google Patents
Vacuum circuit breaker and supporting conductor structure thereof Download PDFInfo
- Publication number
- CN113745043A CN113745043A CN202110846240.3A CN202110846240A CN113745043A CN 113745043 A CN113745043 A CN 113745043A CN 202110846240 A CN202110846240 A CN 202110846240A CN 113745043 A CN113745043 A CN 113745043A
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- supporting cylinder
- conductive
- conductive supporting
- fins
- cylinder
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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
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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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention belongs to the technical field of vacuum switches, and particularly relates to a vacuum circuit breaker and a supporting conductor structure thereof, wherein the supporting conductor structure comprises a conductive supporting cylinder and a lower conductive seat arranged at the bottom of the conductive supporting cylinder, and the conductive supporting cylinder is used for being conductively connected with a movable end conductive rod; and the outside of the conductive supporting cylinder is provided with a radiating fin to conduct heat on the conductive supporting cylinder. Increase after the radiating fin can increase heat radiating area, promote the nature heat transfer ability and the radiation heat transfer ability between electrically conductive supporting cylinder and the outside, can conduct away the heat on the electrically conductive supporting cylinder fast. The conductive supporting cylinder is connected with the moving and static contacts, and the temperature of the moving and static contacts can be reduced after heat on the conductive supporting cylinder is conducted out, so that the moving and static contacts are prevented from being subjected to plastic deformation in the switching-on and switching-off process, and the mechanical property and the insulating property of the vacuum arc extinguish chamber are ensured.
Description
Technical Field
The invention belongs to the technical field of vacuum switches, and particularly relates to a vacuum circuit breaker and a supporting conductor structure thereof.
Background
The vacuum circuit breaker is generally applied to the field of medium and low voltage alternating current by virtue of the advantages of maintenance-free property, long service life, excellent insulating property and the like. A vacuum circuit breaker generally includes an outer insulating sleeve and a vacuum interrupter, the vacuum interrupter is a core device of the vacuum circuit breaker for realizing current breaking, the vacuum interrupter is usually sealed in the outer insulating sleeve, and a supporting conductor structure is arranged below the vacuum interrupter. The supporting conductor structure comprises a conductive supporting cylinder (namely a lower conductive support in the patent) positioned in an outer insulating sleeve (namely a ceramic sleeve in the patent) and a lower conductive seat (namely a movable end conductive flange in the patent) arranged at the bottom of the conductive supporting cylinder, wherein the lower conductive seat is fixed on the outer insulating sleeve, the conductive supporting cylinder upwards supports a vacuum arc-extinguishing chamber, a movable end conductive rod of the vacuum arc-extinguishing chamber penetrates into the conductive supporting cylinder and is in conductive communication with the conductive supporting cylinder through a contact finger, an insulating pull rod is connected below the movable end conductive rod, and the insulating pull rod penetrates downwards from the conductive supporting cylinder and the lower conductive seat and is connected with an operating mechanism. In the prior art, the conductive support cylinder and the lower insulating pole are arranged at intervals along the radial direction, and an annular space formed at intervals is filled with insulating flowing media such as insulating oil or insulating gas.
When normally working, the sound contact of vacuum interrupter is closed, when sound contact passes through higher rated current, produced heat most passes through on heat-conduction mode shifts the conductor (including electrically conductive support section of thick bamboo) that links to each other rather than moving end and quiet end, cause each contact temperature rise too high, seriously influence the life of vacuum interrupter and circuit breaker, heat on the conductor can't be released and lead to the temperature of sound contact too high, and sound contact need bear the mechanical impact of divide-shut brake in-process when using, if the contact takes place plastic deformation, can harm vacuum interrupter's mechanical characteristic, and then influence its insulating properties.
Disclosure of Invention
The invention aims to provide a supporting conductor structure of a vacuum circuit breaker, which aims to solve the technical problem that the mechanical property and the insulating property of a vacuum arc extinguish chamber are influenced because heat on a conductor connected with a moving contact and a static contact cannot be released in the prior art; a vacuum circuit breaker using the supporting conductor structure is also provided to solve the technical problems.
In order to achieve the purpose, the technical scheme of the supporting conductor structure of the vacuum circuit breaker provided by the invention is as follows: a supporting conductor structure of a vacuum circuit breaker, comprising:
the conductive support cylinder is used for being conductively connected with the movable end conductive rod;
and the outside of the conductive supporting cylinder is provided with a radiating fin to conduct heat on the conductive supporting cylinder.
Has the advantages that: increase after the radiating fin can increase heat radiating area, promote the nature heat transfer ability and the radiation heat transfer ability between electrically conductive supporting cylinder and the outside, can conduct away the heat on the electrically conductive supporting cylinder fast. The conductive supporting cylinder is connected with the moving and static contacts, and the temperature of the moving and static contacts can be reduced after heat on the conductive supporting cylinder is conducted out, so that the moving and static contacts are prevented from being subjected to plastic deformation in the switching-on and switching-off process, and the mechanical property and the insulating property of the vacuum arc extinguish chamber are ensured.
Preferably, the heat dissipation fins are helical fins arranged in a helical manner along the axial direction of the conductive support cylinder. When the insulating gas is filled between the conductive support cylinder and the outer insulating sleeve, the helical fins can form a complete helical airflow channel with the conductive support cylinder, so that the flow of the insulating gas is facilitated, the heat conduction is carried out quickly, and the heat exchange capacity of the conductive support cylinder and the outside is improved.
Preferably, the heat dissipation fins are annular fins coaxially arranged with the conductive support cylinder, and a plurality of annular fins are arranged at intervals along the axial direction of the conductive support cylinder.
Preferably, the heat dissipation fins are vertical fins extending along the axial direction of the conductive support cylinder, and a plurality of vertical fins are arranged at intervals along the circumferential direction of the conductive support cylinder.
Preferably, an even number of radial holes are uniformly distributed on the conductive support cylinder along the circumferential direction, and the radial holes are communicated with the inside and the outside of the conductive support cylinder. The radial holes are uniformly distributed in the circumferential direction and are arranged oppositely, so that the flow velocity of the insulating flowing medium can be accelerated, and the heat exchange capacity is further improved.
The technical scheme of the vacuum circuit breaker is as follows: a vacuum interrupter, comprising:
an outer insulating sleeve;
the vacuum arc extinguish chamber is arranged in the outer insulating sleeve and comprises a moving contact and a static contact, and a moving end conducting rod is connected to the moving contact;
the supporting conductor structure comprises a conductive supporting cylinder and a lower conductive seat, the conductive supporting cylinder is positioned in an outer insulating sleeve, the lower conductive seat is arranged at the bottom of the conductive supporting cylinder, the lower conductive seat is connected with the outer insulating sleeve, the vacuum arc extinguish chamber is supported on the conductive supporting cylinder, and the movable end conductive rod penetrates into the conductive supporting cylinder and is conductively connected with the conductive supporting cylinder;
the conductive supporting cylinder and the outer insulating sleeve are arranged at intervals along the radial direction to form an annular interval space, and an insulating flowing medium is filled in the annular interval space;
and heat dissipation fins are arranged outside the conductive supporting cylinder so as to conduct heat on the conductive supporting cylinder to the annular space, and the heat dissipation fins are positioned in the annular space.
Has the advantages that: increase after the radiating fin can increase heat radiating area, promote the nature heat transfer ability and the radiation heat transfer ability between electrically conductive supporting cylinder and the outside, can conduct away the heat on the electrically conductive supporting cylinder fast. The conductive supporting cylinder is connected with the moving and static contacts, and the temperature of the moving and static contacts can be reduced after heat on the conductive supporting cylinder is conducted out, so that the moving and static contacts are prevented from being subjected to plastic deformation in the switching-on and switching-off process, and the mechanical property and the insulating property of the vacuum arc extinguish chamber are ensured.
Preferably, the insulating flowing medium is an insulating gas;
the radiating fins are helical fins which are spirally wound along the axial direction of the conductive supporting cylinder. When the insulating gas is filled between the conductive support cylinder and the outer insulating sleeve, the helical fins can form a complete helical airflow channel with the conductive support cylinder, so that the flow of the insulating gas is facilitated, the heat conduction is carried out quickly, and the heat exchange capacity of the conductive support cylinder and the outside is improved.
Preferably, the heat dissipation fins are annular fins coaxially arranged with the conductive support cylinder, and a plurality of annular fins are arranged at intervals along the axial direction of the conductive support cylinder.
Preferably, the heat dissipation fins are vertical fins extending along the axial direction of the conductive support cylinder, and a plurality of vertical fins are arranged at intervals along the circumferential direction of the conductive support cylinder.
Preferably, an even number of radial holes are uniformly distributed on the conductive support cylinder along the circumferential direction, and the radial holes are communicated with the inside and the outside of the conductive support cylinder. The radial holes are uniformly distributed in the circumferential direction and are arranged oppositely, so that the flow velocity of the insulating flowing medium can be accelerated, and the heat exchange capacity is further improved.
Drawings
Fig. 1 is a perspective view of an embodiment 1 of a supporting conductor structure of a vacuum circuit breaker according to the present invention;
fig. 2 is a front view of an embodiment 1 of a supporting conductor structure of a vacuum circuit breaker according to the present invention;
fig. 3 is a perspective view of an embodiment 2 of a supporting conductor structure of a vacuum circuit breaker according to the present invention;
fig. 4 is a perspective view of an embodiment 3 of a supporting conductor structure of a vacuum circuit breaker according to the present invention;
fig. 5 is a front view of an embodiment 3 of a supporting conductor structure of a vacuum circuit breaker according to the present invention;
fig. 6 is a schematic structural diagram of a vacuum circuit breaker according to the present invention;
description of reference numerals:
100. supporting a conductor structure; 101. a conductive support cylinder; 102. a lower conductive seat; 103. a helical fin; 104. a radial bore; 105. perforating an insulating pull rod; 106. a vertical fin; 107. an annular fin; 200. a vacuum arc-extinguishing chamber; 300. a movable end conducting rod; 400. a mechanism box; 500. an insulating support; 600. an outer insulating sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
Embodiment 1 of the supporting conductor structure of the vacuum circuit breaker provided by the present invention:
as shown in fig. 1 and 2, the main components of the supporting conductor structure (hereinafter, referred to as the supporting conductor structure 100) of the vacuum circuit breaker include a conductive supporting cylinder 101, a lower conductive base 102, and a spiral fin 103, and both the conductive supporting cylinder 101 and the lower conductive base 102 are conductors.
The conductive supporting cylinder 101 is a vertically through cylinder body, the upper end of the conductive supporting cylinder is used for upwards supporting the vacuum arc-extinguishing chamber, a movable end conductive rod penetrates into the conductive supporting cylinder 101 during use, and normally, a spring contact finger is arranged between the movable end conductive rod and the conductive supporting cylinder 101, so that the conductive communication between the conductive supporting cylinder 101 and the movable end conductive rod is ensured. The lower conductive seat 102 is disposed at the lower end of the conductive support cylinder 101, and the lower conductive seat 102 may be integrally formed with the conductive support cylinder 101 or may be separately fixed together. The lower conducting seat 102 is used for being fixed on an outer insulating sleeve of the vacuum circuit breaker, an insulating pull rod through hole 105 is formed in the middle of the lower conducting seat 102, the insulating pull rod through hole 105 is used for allowing an insulating pull rod to penetrate through the insulating pull rod through hole 105, a sealing structure is arranged between the insulating pull rod through hole 105 and the insulating pull rod during specific use, leakage of an insulating flowing medium is prevented, and the insulating flowing medium corresponding to the supporting conductor structure in the embodiment is insulating gas.
The conductive supporting cylinder 101 is connected with the movable contact, and the movable and static contacts can generate a large amount of heat and conduct to the conductive supporting cylinder 101 during normal operation, so that the heat on the conductive supporting cylinder 101 can be conducted out quickly, and the temperature at the movable and static contacts can be reduced. As shown in fig. 1 and 2, the heat dissipation fins are fixed outside the conductive support cylinder 101, and the heat dissipation area is increased by the heat dissipation fins, so that heat on the conductive support cylinder 101 can be quickly conducted out, and the natural heat exchange capacity and the radiation heat exchange capacity between the conductive support cylinder 101 and the outside are improved. The heat dissipation fins are spiral fins 103, the spiral fins 103 are spirally wound along the axial direction of the conductive support cylinder 101, and the purpose of arranging the spiral fins 103 is that generally, an annular space formed between the conductive support cylinder 101 and an outer insulating sleeve is filled with insulating gas, the spiral fins 103 can be matched with the conductive support cylinder 101 to form a complete spiral airflow channel outside the conductive support cylinder 101, so that the flow of the insulating gas in the annular space is facilitated, heat conduction is rapidly performed, and the heat exchange capacity between the conductive support cylinder 101 and the outside is increased.
In this embodiment, the width of the spiral fin 103 is 5mm, the thickness thereof is 3mm, and the number of turns of the spiral fin on the conductive support cylinder 101 is 80. In other embodiments, the size of the helical fins may be varied according to the actual situation.
As shown in fig. 1 and 2, four radial holes 104 are formed in the conductive support cylinder 101, the four radial holes 104 are divided into two groups which are axially arranged along the conductive support cylinder 101 at intervals, and each group of radial holes 104 is uniformly distributed along the circumferential direction of the conductive support cylinder 101. The radial holes 104 are communicated with the inside and the outside of the conductive supporting cylinder 101, so that heat in the conductive supporting cylinder 101 can be conducted into an annular space through the radial holes 104, each group of radial holes 104 are uniformly distributed along the circumferential direction, and two radial holes 104 of each group are arranged oppositely, so that the flow of insulating gas is accelerated.
The lower conductive socket 102 is usually a flange structure, and is fixed to the outer insulating sleeve by bolts, and a movable terminal socket is generally fixed to the lower conductive socket 102 for connecting wires.
Embodiment 2 of the supporting conductor structure of the vacuum circuit breaker of the present invention:
as shown in fig. 3, the difference from embodiment 1 is that in embodiment 1, the heat dissipation fins are helical fins, in this embodiment, the heat dissipation fins are vertical fins 106, the vertical fins 106 extend in the axial direction of the conductive support cylinder 101, the specific extension length can be determined according to the required heat dissipation capacity, and a plurality of vertical fins 106 are arranged at intervals along the circumferential direction of the conductive support cylinder 101, the number of the vertical fins 106 is changed according to the actual situation, but there are at least two. The heat exchange capability of the conductive support cylinder 101 can be improved by adding the vertical fins 106. And the structures of the lower conductive socket 102 and the radial hole 104 are the same as those of embodiment 1.
Embodiment 3 of the supporting conductor structure of the vacuum circuit breaker of the present invention:
as shown in fig. 4 and 5, the difference from embodiment 1 is that in embodiment 1, the heat dissipation fins are helical fins, in this embodiment, the heat dissipation fins are annular fins 107, the annular fins 107 are arranged coaxially with the conductive supporting cylinder 101, and the annular fins 107 are arranged in plurality at intervals along the axial direction of the conductive supporting cylinder 101, and the number varies according to the actual situation, but is at least two. And the structures of the lower conductive socket 102 and the radial hole 104 are the same as those of embodiment 1.
Embodiment 4 of the supporting conductor structure of the vacuum circuit breaker of the present invention:
the difference from embodiment 1 is that in embodiment 1, the heat radiating fins are helical fins. In this embodiment, the shape and the arrangement region of the heat dissipation fins may be changed according to actual conditions, or may be a combination of embodiment 1, embodiment 2, and embodiment 3.
Embodiment 5 of the supporting conductor structure of the vacuum circuit breaker of the present invention:
the difference with embodiment 1 is that in embodiment 1, there are four radial holes, the four radial holes are divided into two groups arranged up and down, and the number of each group of radial holes is two and is uniformly distributed along the circumferential direction of the conductive support cylinder. In this embodiment, the number of the radial holes can be increased or decreased, but is even, and is uniformly distributed along the circumferential direction of the conductive support cylinder. In other embodiments, the radial holes are eliminated.
The specific embodiment of the vacuum circuit breaker of the invention:
as shown in fig. 6, the vacuum circuit breaker includes an outer insulating sleeve 600, a vacuum interrupter 200 is installed in the outer insulating sleeve 600, a supporting conductor structure 100 is arranged below the vacuum interrupter 200, and the structure of the supporting conductor structure 100 is consistent with that of the above vacuum circuit breaker, and is not described herein again. The conductive supporting cylinders and the outer insulating sleeves in the supporting conductor structure 100 are arranged at intervals to form an annular space, and an insulating flowing medium is filled in the annular space, and the insulating flowing medium can be insulating gas or insulating oil. The movable end conducting rod 300 below the vacuum arc extinguish chamber 200 is electrically connected with the conductive supporting cylinder in the supporting conductor structure 100, the lower end of the movable end conducting rod 300 is connected with an insulating pull rod, and the insulating pull rod penetrates out of the supporting conductor structure 100 downwards. The vacuum circuit breaker further comprises a mechanism box 400 positioned below the outer insulating sleeve, wherein an operating mechanism is arranged in the mechanism box 400, and the operating mechanism drives the insulating pull rod to move in a reciprocating manner. The vacuum circuit breaker further includes an insulating support 500, and the mechanism case 400 is mounted on the insulating support 500.
The outer insulating sleeve 600 may be a structure formed by casting epoxy resin, or may be a common insulating sleeve.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A supporting conductor structure of a vacuum circuit breaker, comprising:
the device comprises a conductive supporting cylinder (101) and a lower conductive seat (102) arranged at the bottom of the conductive supporting cylinder (101), wherein the conductive supporting cylinder (101) is used for being conductively connected with a movable end conductive rod (300);
the method is characterized in that: and heat radiating fins are arranged outside the conductive supporting cylinder (101) to conduct heat on the conductive supporting cylinder (101).
2. A supporting conductor structure of a vacuum circuit breaker according to claim 1, characterized in that: the heat dissipation fins are spiral fins (103), and the spiral fins (103) are spirally wound along the axial direction of the conductive support cylinder (101).
3. A supporting conductor structure of a vacuum circuit breaker according to claim 1, characterized in that: the radiating fins are annular fins (107) which are coaxially arranged with the conductive supporting cylinder (101), and a plurality of annular fins (107) are arranged at intervals along the axial direction of the conductive supporting cylinder (101).
4. A supporting conductor structure of a vacuum circuit breaker according to claim 1, characterized in that: the radiating fins are vertical fins (106) extending along the axial direction of the conductive supporting cylinder (101), and a plurality of vertical fins (106) are arranged at intervals along the circumferential direction of the conductive supporting cylinder (101).
5. A supporting conductor structure of a vacuum interrupter according to any one of claims 1 to 4, characterized in that: an even number of radial holes (104) are uniformly distributed on the conductive supporting cylinder (101) along the circumferential direction, and the radial holes (104) are communicated with the inside and the outside of the conductive supporting cylinder (101).
6. A vacuum interrupter, comprising:
an outer insulating sleeve (600);
the vacuum arc-extinguishing chamber (200) is arranged in the external insulation sleeve (600), the vacuum arc-extinguishing chamber (200) comprises a moving contact and a static contact, and a moving end conducting rod (300) is connected to the moving contact;
the supporting conductor structure (100) comprises a conductive supporting cylinder (101) positioned in an outer insulating sleeve (600) and a lower conductive seat (102) arranged at the bottom of the conductive supporting cylinder (101), the lower conductive seat (102) is connected with the outer insulating sleeve (600), the vacuum arc-extinguishing chamber (200) is supported on the conductive supporting cylinder (101), and the movable end conductive rod (300) penetrates into the conductive supporting cylinder (101) and is conductively connected with the conductive supporting cylinder (101);
the method is characterized in that: the conductive supporting cylinder (101) and the outer insulating sleeve (600) are arranged at intervals along the radial direction to form an annular interval space, and an insulating flowing medium is filled in the annular interval space;
the outside of the conductive supporting cylinder (101) is provided with a radiating fin so as to conduct heat on the conductive supporting cylinder (101) to the annular space, and the radiating fin is positioned in the annular space.
7. Vacuum interrupter according to claim 6, characterized in that: the insulating flowing medium is insulating gas;
the heat dissipation fins are spiral fins (103), and the spiral fins (103) are spirally wound along the axial direction of the conductive support cylinder (101).
8. Vacuum interrupter according to claim 6, characterized in that: the radiating fins are annular fins (107) which are coaxially arranged with the conductive supporting cylinder (101), and a plurality of annular fins (107) are arranged at intervals along the axial direction of the conductive supporting cylinder (101).
9. Vacuum interrupter according to claim 6, characterized in that: the radiating fins are vertical fins (106) extending along the axial direction of the conductive supporting cylinder (101), and a plurality of vertical fins (106) are arranged at intervals along the circumferential direction of the conductive supporting cylinder (101).
10. Vacuum interrupter according to any of the claims 6-9, characterized in that: an even number of radial holes are uniformly distributed in the conductive supporting cylinder (101) along the circumferential direction, and the radial holes are communicated with the inside and the outside of the conductive supporting cylinder (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846240.3A CN113745043A (en) | 2021-07-26 | 2021-07-26 | Vacuum circuit breaker and supporting conductor structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846240.3A CN113745043A (en) | 2021-07-26 | 2021-07-26 | Vacuum circuit breaker and supporting conductor structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113745043A true CN113745043A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110846240.3A Pending CN113745043A (en) | 2021-07-26 | 2021-07-26 | Vacuum circuit breaker and supporting conductor structure thereof |
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| CN (1) | CN113745043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664574A (en) * | 2022-01-11 | 2022-06-24 | 河南平高通用电气有限公司 | Isolator and isolator's static contact subassembly |
-
2021
- 2021-07-26 CN CN202110846240.3A patent/CN113745043A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664574A (en) * | 2022-01-11 | 2022-06-24 | 河南平高通用电气有限公司 | Isolator and isolator's static contact subassembly |
| CN114664574B (en) * | 2022-01-11 | 2024-05-31 | 河南平高通用电气有限公司 | Disconnecting switch and static contact assembly of disconnecting switch |
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