CN215680491U - Ice melting switch - Google Patents
Ice melting switch Download PDFInfo
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- CN215680491U CN215680491U CN202121014910.7U CN202121014910U CN215680491U CN 215680491 U CN215680491 U CN 215680491U CN 202121014910 U CN202121014910 U CN 202121014910U CN 215680491 U CN215680491 U CN 215680491U
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- static contact
- contact assembly
- conductive
- post insulator
- ice
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Abstract
The utility model discloses an ice melting switch, which comprises: the device comprises a base, an alternating current post insulator, a static contact assembly structure, a direct current post insulator, a conductive disconnecting link, a direct current operation post insulator and an operation mechanism. The static contact assembly structure is fixed at the top of the alternating-current post insulator and comprises an installation support, a static contact assembly body, a plurality of groups of equalizing rings and an anti-icing cover, wherein the installation support is respectively connected with the static contact assembly body and the alternating-current post insulator, and each equalizing ring is arranged around the static contact assembly structure in a surrounding manner; the conductive disconnecting link is arranged on the direct current post insulator, and the top of the conductive disconnecting link is provided with a moving contact assembly body; the operating mechanism is connected with the conductive disconnecting link through a direct-current operating support insulator, the operating mechanism is used for driving the conductive disconnecting link to move up and down, and the anti-icing cover is completely covered above the joint part of the static contact assembly body and the moving contact assembly body. The anti-icing cover covers the joint part on the static contact assembly body, so that the influence of the part on use due to the icing of low-temperature rainwater is prevented.
Description
Technical Field
The utility model relates to the technical field of high-voltage power transmission and transformation equipment of a power system, in particular to an ice melting switch.
Background
China is one of countries in the world where ice coating on power transmission lines is severe. With the rapid development of power grids, more and more high-voltage and ultrahigh-voltage power transmission lines span ice-covered areas, and the possibility of power grid disaster caused by extreme weather disasters is higher and higher. The ice coating of the transmission line can cause overload of the line, and accidents such as line tripping, line breaking, conductor galloping, insulator flashover, even pole and tower falling are caused, so that large-area power failure accidents are caused. The accident occurs in severe winter, the snow is blocked, the road is frozen, the emergency repair is difficult, the long-time power failure is easy to cause, and huge economic loss and social influence are caused. Therefore, when the power transmission line is covered with ice, the ice melting switch needs to be operated in time to melt the ice of the power transmission line. However, when the existing ice-melting switch is operated, the body of the existing ice-melting switch is covered with ice, the ice-covering operation difficulty is high, the body of the existing ice-melting switch is easy to damage, the ice-melting switch is generally subjected to manual deicing before operation, and the deicing operation is time-consuming and labor-consuming because the static contact position of the ice-melting switch is high and needs to be carried out at a high altitude.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the ice melting switch which has the advantages of simple structure, low cost, safety, reliability and high ice removing efficiency.
The utility model provides an ice melting switch, which comprises: the device comprises a base, an alternating current pillar insulator, a static contact assembly structure, a direct current pillar insulator, a folding arm type double-arm conductive disconnecting link, a direct current operation pillar insulator and an operation mechanism. The alternating current post insulator, the direct current post insulator and the direct current operation post insulator are all arranged on the base, the static contact assembly structure is fixed at the top of the alternating current post insulator and comprises an installation support, a static contact assembly body, a plurality of groups of equalizing rings and an anti-icing cover, the installation support is respectively connected with the static contact assembly body and the top of the alternating current post insulator, and each equalizing ring is arranged around the static contact assembly structure in a surrounding manner; the conductive disconnecting link is arranged on the direct current post insulator, and a moving contact assembly body is arranged at the top of the conductive disconnecting link; the operating mechanism is connected with the conductive disconnecting link through the direct-current operating post insulator, the operating mechanism is used for driving the conductive disconnecting link to move up and down so as to achieve the connection and separation of the moving contact assembly body and the static contact assembly body, and the anti-icing cover is covered above the connection part of the static contact assembly body and the moving contact assembly body.
The ice melting switch according to the above embodiment of the utility model has at least the following beneficial effects: the anti-icing cover is arranged on the static contact assembly structure, and can completely cover the joint part on the static contact assembly body, so that the joint part is prevented from being influenced by icing of low-temperature rainwater. In addition, the end part field intensity of the static contact assembly structure can be improved by additionally arranging a plurality of groups of equalizing rings, the local discharge capacity is effectively reduced, and the ice melting switch is prevented from being broken down and damaged due to the flashover.
According to some embodiments of the present invention, the static contact assembly includes a conductive plate, a static contact rod, and a support plate, the static contact rod and the support plate are both fixed to the conductive plate, the support plate is connected to the mounting bracket, and the anti-icing cover is connected to the support plate and covers the static contact rod.
According to some embodiments of the utility model, the conductive plate is a U-shaped structure, the stationary contact bar is fixed between the two parallel side plates of the conductive plate by a conductive clip, and the support plate is fixed between the two parallel side plates of the conductive plate and above the stationary contact bar by a fastener.
According to some embodiments of the utility model, the ice shield is of an arch structure, the outer side of the arch of the ice shield is connected with the lower end face of the support plate, and the ice shield covers the static contact rod.
According to some embodiments of the utility model, the curved edge of the ice shield is an aluminum tube bend.
According to some embodiments of the utility model, the grading ring is an elliptical structure.
According to some embodiments of the present invention, there are three groups of grading rings, where two groups of grading rings are respectively disposed on the conductive plate near the arched opening of the anti-icing shield, and the remaining group of grading rings is disposed at one end of the mounting bracket far from the static contact assembly.
According to some embodiments of the utility model, the mounting planes of the grading rings provided on the mounting brackets are perpendicular to the mounting planes of the two other sets of grading rings.
According to some embodiments of the utility model, the conductive disconnecting link is a folded arm type double-arm structure.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of a static contact mounting structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a static contact assembly according to an embodiment of the present invention;
FIG. 5 is a rear view of the embodiment of FIG. 3;
fig. 6 is a bottom view of the embodiment of fig. 5.
Reference numerals:
the device comprises a base 100, an alternating current post insulator 200, a static contact assembly structure 300, an installation support 310, a static contact assembly 320, a conductive plate 321, a static contact rod 322, a support plate 323, a conductive clip 324, a grading ring 330, an anti-icing cover 340, a direct current post insulator 400, a conductive knife switch 500, a movable contact assembly 510, a direct current operation post insulator 600 and an operating mechanism 700.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.
Referring to fig. 1 to 6, an ice melting switch according to an embodiment of the present invention includes: the device comprises a base 100, an alternating current post insulator 200, a static contact assembling structure 300, a direct current post insulator 400, a folding arm type double-arm conductive disconnecting link 500, a direct current operation post insulator 600 and an operating mechanism 700.
The ac post insulator 200, the dc post insulator 400, and the dc manipulation post insulator 600 are all provided on the base 100.
The static contact assembly structure 300 is fixed on the top of the ac post insulator 200 by bolts, and the static contact assembly structure 300 includes an installation bracket 310, a static contact assembly 320, multiple groups of grading rings 330, and an anti-icing cover 340. The mounting bracket 310 is respectively connected with the top of the static contact assembly 320 and the top of the ac post insulator 200, and each grading ring 330 is arranged around the static contact assembly structure 300, so that the whole static contact assembly 300 is wrapped in the grading ring 330, and the end field strength of the static contact assembly structure 300 is improved.
The conductive knife switch 500 is disposed on the dc post insulator 400 and a movable contact assembly 510 is disposed on the top of the conductive knife switch.
The operating mechanism 700 is connected to the conductive disconnecting link 500 through the dc operating post insulator 600, and the operating mechanism 700 is configured to drive the conductive disconnecting link 500 to move up and down, so as to achieve the engagement and separation of the movable contact assembly 510 and the fixed contact assembly 320.
The anti-icing shield 340 is covered above the joint of the static contact assembly 320 and the movable contact assembly 510, so that the anti-icing shield 340 can completely cover the joint of the static contact assembly 320, and the joint is prevented from being influenced by the icing of low-temperature rainwater.
In some embodiments of the present invention, as shown in fig. 4, the stationary contact assembly 320 includes a conductive plate 321, a stationary contact rod 322, and a supporting plate 323. The static contact rod 322 and the supporting plate 323 are fixed on the conductive plate 321, the supporting plate 323 is connected with the mounting bracket 322, and the anti-icing cover 340 is connected with the supporting plate 323 and covers the static contact rod 322. When the conductive disconnecting link 500 is switched on, the static contact rod 322 is matched with the corresponding connecting structure on the movable contact assembly 510.
In some embodiments of the present invention, as shown in fig. 4, the conductive plate 321 is U-shaped, and the static contact rod 322 is fixed between two parallel side plates of the conductive plate 321 by a conductive clip 324. By providing the conductive clip 324, the contact area between the conductive plate 321 and the stationary contact rod 322 can be increased, and thus the resistance of the conductive loop is reduced, and the current-carrying capacity of the conductive loop is increased. The stationary contact bar 322 is mounted adjacent to the opening of the U-shaped structure. The support plate 323 is fixed between the two parallel side plates of the conductive plate 321 by fasteners and is located above the stationary bar 322.
In some embodiments of the present invention, as shown in fig. 3, the anti-icing cover 340 has an arch structure, the outer side of the arch of the anti-icing cover 340 is connected to the lower end surface of the support plate 323, and the lower opening of the anti-icing cover 340 completely covers the stationary contact bar 322. The smooth curved surface of anti-icing cover 340 can make the rainwater be difficult to gather at anti-icing cover, and static contact rod 322 is wrapped up in anti-icing cover 340 completely, and the rainwater just is difficult to contact static contact rod 322, can prevent that static contact rod 322 from freezing because of low temperature rainwater.
In some embodiments of the present invention, as shown in fig. 3 and 5, the curved edge of the ice protection cover 340 is an aluminum pipe bent structure, so that the ice protection cover 340 itself has a certain pressure equalizing effect.
In some embodiments of the present invention, as shown in FIG. 3, in particular, grading ring 330 is preferably an oval configuration. Therefore, under the condition that the overall outer diameter is not increased, the pipe diameter is made to be large, and the pressure equalizing effect can be more remarkable.
In some embodiments of the present invention, as shown in fig. 3, 5 and 6, there are three sets of grading rings 330, wherein two sets of grading rings 330 are respectively disposed on the conducting plate 321 near the arc-shaped opening side of the anti-icing shield 340, and the remaining set of grading rings 330 are disposed at one end of the mounting bracket 310 far from the static contact assembly 320. Through such a layout, the whole static contact assembly structure 300 can be wrapped in the three groups of grading rings 330, so that the grading effect is more remarkable.
In some embodiments of the present invention, as shown in fig. 3, 5, and 6, the mounting plane of the grading ring 330 disposed on the mounting bracket 310 is perpendicular to the mounting planes of the other two sets of grading rings 330, and the layout structure of the grading rings 330 can better balance the stray capacitance to ground of the ice-melting switch, so that the voltage distribution is uniform, and the ice-melting switch is prevented from being damaged due to local breakdown.
In some embodiments of the present invention, the conductive disconnecting link 500 is a folded arm type double-arm structure, so that the moving linear velocity of the moving contact assembly 510 at the end of the conductive disconnecting link 500 is small, and when it contacts with the stationary contact assembly 320, the impact of collision is small.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An ice melting switch, comprising:
a base (100);
an AC post insulator (200) provided on the base (100);
the static contact assembling structure (300) is fixed to the top of the alternating-current post insulator (200), the static contact assembling structure (300) comprises an installation support (310), a static contact assembling body (320), a plurality of groups of equalizing rings (330) and an anti-icing cover (340), the static contact assembling body (320) is connected with the top of the alternating-current post insulator (200), and each equalizing ring (330) is arranged around the static contact assembling structure (300);
a DC post insulator (400) provided on the base (100);
a conductive disconnecting link (500) which is arranged on the DC post insulator (400) and the top of which is provided with a movable contact assembly body (510);
a DC-operated post insulator (600) disposed on the base (100);
the operating mechanism (700) is connected with the conductive disconnecting link (500) through the direct-current operating post insulator (600), the operating mechanism (700) is used for driving the conductive disconnecting link (500) to move up and down to achieve the connection and separation of the movable contact assembly body (510) and the static contact assembly body (320), and the anti-icing cover (340) is covered above the connection part of the static contact assembly body (320) and the movable contact assembly body (510).
2. The ice melting switch of claim 1, wherein the static contact assembly (320) comprises a conductive plate (321), a static contact rod (322), and a support plate (323), the static contact rod (322) and the support plate (323) are both fixed on the conductive plate (321), the support plate (323) is connected to the mounting bracket (310), and the ice protection cover (340) is connected to the support plate (323) and covers over the static contact rod (322).
3. The ice melting switch of claim 2, wherein the conductive plate (321) is a U-shaped structure, the static contact rod (322) is fixed between two parallel side plates of the conductive plate (321) through a conductive clip (324), and the support plate (323) is fixed between two parallel side plates of the conductive plate (321) and above the static contact rod (322) through a fastener.
4. An ice melting switch according to claim 3, characterized in that said ice protection cover (340) is an arch structure, the outside of the arch of said ice protection cover (340) is connected with the lower end face of said supporting plate (323), said ice protection cover (340) covers said stationary contact rod (322).
5. An ice melting switch according to claim 4, characterised in that the curved edge of the ice protection cover (340) is of aluminium tube bent configuration.
6. An ice melting switch according to claim 3, characterised in that the grading ring (330) is an elliptical structure.
7. The ice melting switch according to claim 6, wherein there are three groups of equalizing rings (330), two groups of equalizing rings (330) are respectively disposed on the conductive plate (321) near the arc opening side of the ice-proof cover (340), and the remaining group of equalizing rings (330) is disposed at an end of the mounting bracket (310) far away from the static contact assembly (320).
8. The ice melt switch of claim 7, wherein the mounting planes of the grading rings (330) arranged on the mounting bracket (310) are perpendicular to the mounting planes of the other two sets of grading rings (330).
9. Ice melting switch according to claim 1 characterized in that the conductive knife-switch (500) is a folded arm double arm structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014910.7U CN215680491U (en) | 2021-05-12 | 2021-05-12 | Ice melting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014910.7U CN215680491U (en) | 2021-05-12 | 2021-05-12 | Ice melting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680491U true CN215680491U (en) | 2022-01-28 |
Family
ID=79971954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121014910.7U Active CN215680491U (en) | 2021-05-12 | 2021-05-12 | Ice melting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680491U (en) |
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2021
- 2021-05-12 CN CN202121014910.7U patent/CN215680491U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 No. 393, section 3, Jinxing North Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. Address before: 411400, No. 393, section 3, North Jinxing Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. |
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| CP03 | Change of name, title or address |