CN219066686U - Outdoor high-voltage isolating switch - Google Patents
Outdoor high-voltage isolating switch Download PDFInfo
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- CN219066686U CN219066686U CN202223603045.7U CN202223603045U CN219066686U CN 219066686 U CN219066686 U CN 219066686U CN 202223603045 U CN202223603045 U CN 202223603045U CN 219066686 U CN219066686 U CN 219066686U
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Abstract
The utility model provides an outdoor high-voltage isolating switch which comprises a base, a supporting component and a disconnecting link, wherein the supporting component is arranged on the base; the knife switch is connected with the supporting component, a moving contact and a fixed contact are arranged on the knife switch, and the moving contact and the fixed contact are connected with an external wire; the movable contact and the fixed contact are both composed of metal pieces, the metal pieces are composed of copper materials at one end close to the disconnecting link, and the metal pieces are composed of aluminum materials at one end close to the external lead; under the action of external force, the disconnecting link is in a conductive state for enabling the moving contact to be in abutting connection with the fixed contact and in a power-off state for enabling the moving contact to be separated from the fixed contact. In the utility model, by arranging the structure, the electric contact points can be reduced, and the electric energy transmission efficiency can be further improved.
Description
Technical Field
The utility model relates to the technical field of high-voltage electricity, in particular to an outdoor high-voltage isolating switch.
Background
The high-voltage isolating switch is mainly applied to power plants and transformer substation electrical systems and is used for cutting off or converting lines and playing a role of isolating voltage, so that safety of high-voltage electric appliances and devices during maintenance is guaranteed, fixed contacts and movable contacts made of pure copper are arranged at two ends of the existing high-voltage isolating switch, wires which are required to be connected at two ends of the high-voltage isolating switch are aluminum wires, the movable contacts and the fixed contacts cannot be directly connected with the aluminum wires, electrochemical corrosion is easily caused, a copper-aluminum equipment wire clamp is connected between the contacts and the aluminum wires in the existing processing mode, the copper-aluminum equipment wire clamp is composed of an aluminum plate and copper sheets, the connection of the movable and fixed contacts and the aluminum wires can be achieved, electrochemical corrosion is not generated, the movable and fixed contacts of the high-voltage isolating switch are connected through a plurality of bolts, a plurality of electrical contact points are generated, accordingly, the risk of heating is easily caused, and the transmission efficiency of electric energy is further reduced.
Disclosure of Invention
Therefore, the utility model aims to overcome the defect that the transmission efficiency of electric energy is reduced due to the fact that the copper-aluminum equipment wire clamps are arranged on the movable contact and the movable contact of the existing high-voltage isolating switch in the prior art.
To this end, the utility model provides an outdoor high voltage disconnector comprising:
a base;
the support component is arranged on the base;
the knife switch is connected with the supporting component, a moving contact and a fixed contact are arranged on the knife switch, and the moving contact and the fixed contact are connected with an external wire;
the movable contact and the fixed contact are both composed of metal pieces, the metal pieces are composed of copper materials at one end close to the disconnecting link, and the metal pieces are composed of aluminum materials at one end close to the external lead;
under the action of external force, the disconnecting link is in a conductive state for enabling the moving contact to be in abutting connection with the fixed contact and in a power-off state for enabling the moving contact to be separated from the fixed contact.
Optionally, the metal piece adopts a copper-aluminum flash welding process, so that the metal piece is formed by copper at one end close to the disconnecting link, and is formed by aluminum at one end close to the external lead.
Optionally, the support assembly includes a first support and a second support, each of which is connected to the base by a bolt; the first support piece is provided with the moving contact, and the second support piece is provided with the fixed contact.
Optionally, the knife switch further comprises:
one end of the conducting rod is rotationally connected with the second supporting piece, and the other end of the conducting rod is movably connected with the first supporting piece;
under the action of external force, the conducting rod is in a conducting state of being abutted with the first supporting piece and in a power-off state of being separated from the first supporting piece.
Optionally, the moving contact and the fixed contact are both provided with a horizontal portion and a vertical portion, the horizontal portion is provided with an aluminum end, and the vertical portion is provided with a copper end.
Optionally, the horizontal portion of the moving contact is detachably connected with the first supporting piece, and the horizontal portion of the static contact is detachably connected with the second supporting piece.
Optionally, the vertical portion of the moving contact is connected with one end of the conductive rod, and the vertical portion of the static contact is connected with the other end of the conductive rod.
Optionally, the horizontal parts of the moving contact and the fixed contact are respectively provided with a groove, and the grooves are suitable for placing the external wires.
Optionally, a plurality of through holes are formed in two sides of the groove, and the fixing piece penetrates through the through holes to fix the lead in the groove.
Optionally, the knife switch further comprises:
the clamping piece is arranged on the first supporting piece and is suitable for being clamped with the conducting rod.
The technical scheme of the utility model has the following advantages:
1. the utility model provides an outdoor high-voltage isolating switch which comprises a base, a supporting component and a disconnecting link, wherein the supporting component is arranged on the base; the knife switch is connected with the supporting component, a moving contact and a fixed contact are arranged on the knife switch, and the moving contact and the fixed contact are connected with an external wire; the movable contact and the fixed contact are both composed of metal pieces, the metal pieces are composed of copper materials at one end close to the disconnecting link, and the metal pieces are composed of aluminum materials at one end close to the external lead; under the action of external force, the disconnecting link is in a conductive state for enabling the moving contact to be in abutting connection with the fixed contact and in a power-off state for enabling the moving contact to be separated from the fixed contact.
The existing high-voltage isolating switch is characterized in that fixed contacts and movable contacts which are made of pure copper are arranged at two ends of the existing high-voltage isolating switch, wires which are needed to be connected at two ends of the high-voltage isolating switch are aluminum wires, the movable contacts and the fixed contacts cannot be directly connected with the aluminum wires, electrochemical corrosion is easy to occur, a copper-aluminum equipment wire clamp is connected between the contacts and the aluminum wires in the existing processing mode, the copper-aluminum equipment wire clamp is composed of an aluminum plate and a copper sheet, connection of the movable and fixed contacts and the aluminum wires can be achieved, electrochemical corrosion is not generated, but the movable and fixed contacts of the high-voltage isolating switch are connected with the copper-aluminum equipment wire clamp through a plurality of bolts, so that a plurality of electrical contact points are generated, heating risks are easy to occur, and the transmission efficiency of electric energy is further reduced. In the embodiment of the utility model, the moving contact and the fixed contact are arranged at the two ends of the disconnecting link, and the moving contact and the fixed contact can be directly connected with the lead, so that the connection through a copper-aluminum equipment wire clamp is not needed, further, the electrical contact points can be reduced, and the electric energy transmission efficiency is improved.
2. The utility model provides an outdoor high-voltage isolating switch, which comprises a movable contact and a fixed contact, wherein the horizontal parts of the movable contact and the fixed contact are respectively provided with a groove, and the grooves are internally suitable for placing an external wire; and a plurality of through holes are formed in two sides of the groove, and the fixing piece penetrates through the through holes to fix the lead in the groove. In the embodiment of the utility model, the fixing piece is arranged, so that the connection of the wire with the moving contact and the fixed contact is quicker and more convenient.
3. The utility model provides an outdoor high-voltage isolating switch, which further comprises a clamping piece, wherein the clamping piece is arranged on the first supporting piece and is suitable for clamping the conducting rod. In the embodiment of the utility model, the clamping piece is arranged, so that the conductive rod and the moving contact are firmly connected, and the electric energy loss caused by poor contact of the conductive rod and the moving contact is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an overall top view of the present utility model;
FIG. 3 is a schematic diagram of a moving contact structure according to the present utility model;
fig. 4 is a schematic view of the structure of the static contact according to the present utility model.
Description of the reference numerals in the examples:
1. a base; 2. a support assembly; 3. a knife switch; 100. a wire;
21. a first support; 22. a second support;
31. a moving contact; 32. a stationary contact; 33. a conductive rod; 34. a fixing member; 35. and the clamping piece.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
As shown in fig. 1 to 4, the present embodiment provides an outdoor high-voltage isolation switch, which includes a base 1, a support assembly 2, and a knife switch 3, wherein the support assembly 2 is disposed on the base 1; the disconnecting link 3 is connected with the supporting component 2, a moving contact 31 and a fixed contact 32 are arranged on the disconnecting link 3, and the moving contact 31 and the fixed contact 32 are connected with an external lead 100; the moving contact 31 and the fixed contact 32 are both made of metal pieces, the metal pieces are made of copper materials at one end close to the disconnecting link 3, and the metal pieces are made of aluminum materials at one end close to the external lead 100; under the action of external force, the knife switch 3 has a conductive state in which the movable contact 31 is abutted against the fixed contact 32 and a power-off state in which the movable contact 31 is separated from the fixed contact 32.
The existing high-voltage isolating switch is characterized in that fixed contacts and movable contacts which are made of pure copper are arranged at two ends of the existing high-voltage isolating switch, wires which are needed to be connected at two ends of the high-voltage isolating switch are aluminum wires, the movable contacts and the fixed contacts cannot be directly connected with the aluminum wires, electrochemical corrosion is easy to occur, a copper-aluminum equipment wire clamp is connected between the contacts and the aluminum wires in the existing processing mode, the copper-aluminum equipment wire clamp is composed of an aluminum plate and a copper sheet, connection of the movable and fixed contacts and the aluminum wires can be achieved, electrochemical corrosion is not generated, but the movable and fixed contacts of the high-voltage isolating switch are connected with the copper-aluminum equipment wire clamp through a plurality of bolts, so that a plurality of electrical contact points are generated, heating risks are easy to occur, and the transmission efficiency of electric energy is further reduced. In the embodiment of the utility model, the moving contact 31 and the fixed contact 32 are arranged at two ends of the disconnecting link 3, and the moving contact 31 and the fixed contact 32 can be directly connected with the lead 100 without connecting through a copper-aluminum equipment wire clamp, so that electrical contact points can be reduced, and the electric energy transmission efficiency is improved.
Specifically, the metal member is formed by a copper-aluminum flash welding process, so that the metal member is formed of a copper material at one end close to the knife switch 3, and is formed of an aluminum material at one end close to the external wire 100. The copper-aluminum flash welding process adopts a large current to instantly melt the contacted copper-aluminum end surfaces, so that melted copper-aluminum materials are fused together to realize intermolecular combination, and the metal piece can be directly connected with the lead 100.
Specifically, the support assembly 2 includes a first support 21 and a second support 22, and the first support 21 and the second support 22 are connected to the base 1 through bolts; the first support member 21 is provided with the moving contact 31, and the second support member 22 is provided with the fixed contact 32.
Further, the knife switch 3 further includes a conductive rod 33, one end of the conductive rod 33 is rotatably connected with the second support member 22, and the other end of the conductive rod 33 is movably connected with the first support member 21; the conductive rod 33 has a conductive state of abutting against the first support 21 and a power-off state of being separated from the first support 21 by an external force.
Further, as shown in fig. 3 to 4, the moving contact 31 and the fixed contact 32 are each provided with a horizontal portion provided as an aluminum end and a vertical portion provided as a copper end; the horizontal portion is directly connected to the wire 100, and the vertical portion is connected to the conductive rod 33.
Further, the horizontal portion of the moving contact 31 is detachably connected to the first supporting member 21, and the horizontal portion of the fixed contact 32 is detachably connected to the second supporting member 22; the vertical portion of the moving contact 31 is connected to one end of the conductive rod 33, and the vertical portion of the static contact 32 is connected to the other end of the conductive rod 33.
Optionally, the horizontal parts of the moving contact 31 and the fixed contact 32 are provided with grooves, and the grooves are suitable for placing the external wires 100; a plurality of through holes are formed on two sides of the groove, and the fixing member 34 passes through the through holes to fix the wire 100 in the groove. In the embodiment of the present utility model, by providing the fixing member 34, the connection between the wire 100 and the moving contact 31 and the fixed contact 32 can be more rapid and convenient.
Specifically, the knife switch 3 further includes a clamping member 35, the clamping member 35 is disposed on the first support member 21, and the clamping member 35 is adapted to clamp the conductive rod 33. In the embodiment of the present utility model, by providing the clamping member 35, the conductive rod 33 and the moving contact 31 can be firmly connected, so as to prevent the poor contact thereof from causing the loss of electric energy.
The outdoor high-voltage isolating switch provided by the utility model has the following specific working process:
firstly, the wire 100 is connected to the moving contact 31 and the horizontal part groove of the fixed contact 32, then the moving contact 31 is connected to the first supporting member 21, the fixed contact 32 is connected to the second supporting member 22, and then the conducting rod 33 is closed, so that the conducting rod 33 is abutted to the moving contact 31, namely, the outdoor high-voltage isolating switch is connected, and the working process of the outdoor high-voltage isolating switch is completed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. An outdoor high voltage isolator, comprising:
a base (1);
the support component (2) is arranged on the base (1);
the knife switch (3) is connected with the supporting component (2), a moving contact (31) and a fixed contact (32) are arranged on the knife switch (3), and the moving contact (31) and the fixed contact (32) are connected with an external lead (100);
the movable contact (31) and the fixed contact (32) are both composed of a metal piece, wherein the metal piece is composed of a copper material at one end close to the disconnecting link, and the metal piece is composed of an aluminum material at one end close to the external lead (100);
under the action of external force, the disconnecting link (3) has a conductive state for enabling the moving contact (31) to be in contact with the fixed contact (32) and a power-off state for enabling the moving contact (31) to be separated from the fixed contact (32).
2. An outdoor high-voltage isolating switch according to claim 1, characterized in that said metal member is formed by a copper-aluminum flash welding process, such that said metal member is formed by a copper material at the end close to the knife switch, and said metal member is formed by an aluminum material at the end close to said external conductor (100).
3. Outdoor high-voltage disconnector according to claim 2, characterized in that said support assembly (2) comprises a first support (21) and a second support (22), said first support (21) and said second support (22) being connected to said base (1) by means of bolts; the first supporting piece (21) is provided with the moving contact (31), and the second supporting piece (22) is provided with the fixed contact (32).
4. An outdoor high-voltage disconnector according to claim 3, characterized in that the disconnector (3) further comprises:
the conductive rod (33), one end of the conductive rod (33) is rotatably connected with the second supporting piece (22), and the other end of the conductive rod (33) is movably connected with the first supporting piece (21);
under the action of external force, the conductive rod (33) has a conductive state abutting against the first support (21) and a power-off state separated from the first support (21).
5. The outdoor high-voltage isolating switch according to claim 4, wherein the moving contact (31) and the stationary contact (32) are each provided with a horizontal portion and a vertical portion, the horizontal portion being provided with an aluminum end, and the vertical portion being provided with a copper end.
6. Outdoor high-voltage disconnector according to claim 5, characterized in that the horizontal part of the moving contact (31) is detachably connected to the first support (21) and the horizontal part of the stationary contact (32) is detachably connected to the second support (22).
7. The outdoor high-voltage isolating switch according to claim 6, characterized in that the vertical portion of the moving contact (31) is connected with one end of the conductive rod (33), and the vertical portion of the stationary contact (32) is connected with the other end of the conductive rod (33).
8. Outdoor high-voltage disconnector according to claim 7, characterized in that the horizontal portions of the moving contact (31) and the stationary contact (32) are each provided with a recess in which the external conductor (100) is adapted to be placed.
9. An outdoor high-voltage disconnector according to claim 8, characterized in that the recess is provided on both sides with a number of through-holes through which fixing members (34) are passed for fixing the conductor (100) in the recess.
10. An outdoor high-voltage disconnector according to any of claims 4-9, characterized in that the knife switch (3) further comprises:
the clamping piece (35) is arranged on the first supporting piece (21), and the clamping piece (35) is suitable for clamping the conductive rod (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603045.7U CN219066686U (en) | 2022-12-27 | 2022-12-27 | Outdoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603045.7U CN219066686U (en) | 2022-12-27 | 2022-12-27 | Outdoor high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219066686U true CN219066686U (en) | 2023-05-23 |
Family
ID=86369468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223603045.7U Active CN219066686U (en) | 2022-12-27 | 2022-12-27 | Outdoor high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219066686U (en) |
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2022
- 2022-12-27 CN CN202223603045.7U patent/CN219066686U/en active Active
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