CN214672348U - 35KV/1000KV full current outdoor sealed high-voltage isolating switch - Google Patents
35KV/1000KV full current outdoor sealed high-voltage isolating switch Download PDFInfo
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- CN214672348U CN214672348U CN202120659269.6U CN202120659269U CN214672348U CN 214672348 U CN214672348 U CN 214672348U CN 202120659269 U CN202120659269 U CN 202120659269U CN 214672348 U CN214672348 U CN 214672348U
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- moving contact
- isolating switch
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- sleeve
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Abstract
The utility model discloses a 35KV/1000KV full current outdoor sealed high-voltage isolating switch, which comprises an upper contact unit, a moving contact unit, an operating mechanism and a transmission assembly, wherein the upper contact unit comprises an upper contact base and an upper contact, the upper contact is fixedly arranged on the upper contact base, the moving contact unit comprises a moving contact and a moving contact base, the moving contact is connected with an operating rod in a sliding manner, and the moving contact is matched with the upper contact to realize switching on and switching off; the operating mechanism can drive the moving contact to slide through the transmission assembly; the device also comprises a transparent sleeve and a support sleeve which are filled with insulating gas, wherein the transparent sleeve is made of insulating transparent materials, a first wiring terminal and a second wiring terminal are respectively installed at two ends of the transparent sleeve, an upper contact unit and a moving contact unit are both installed in the transparent sleeve, and an upper contact base and a moving contact base are respectively and fixedly connected to the first wiring terminal and the second wiring terminal. The isolating switch can see the obvious disconnection point inside so as to ensure the personal safety of maintenance personnel.
Description
Technical Field
The utility model relates to a switch field, concretely relates to outdoor sealed high voltage isolator of 35KV/1000KV full current.
Background
The outdoor isolating switch used in the power system is mostly in an open type, the static contact and the moving contact are completely exposed in the natural environment, air is used as an insulating medium, and the silver coating of the static contact and the moving contact is oxidized by sand dust, acid rain and various gases, so that the isolating switch is ultrahigh in resistance, generates heat and breaks down, and the operation safety of a power grid is seriously affected. The disconnection points of a small part of sealed isolating switches are invisible, so that when the disconnecting switches need to be maintained, the disconnection of the switches cannot be ensured, and the personal safety of maintenance personnel cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 35KV 1000KV full current outdoor sealed high voltage isolator, the switch can directly see disconnection or the on-off state of switch, can ensure the switch disconnection during the maintenance, ensures maintainer's personal safety.
Realize the utility model discloses the technical scheme of purpose does: a35 KV/1000KV full current outdoor sealed high-voltage isolating switch comprises an upper contact unit, a moving contact unit, an operating mechanism and a transmission assembly, wherein the upper contact unit comprises an upper contact base and an upper contact; the operating mechanism can drive the moving contact to slide through the transmission assembly; the high-voltage switch is characterized by further comprising a transparent sleeve and a supporting sleeve, wherein the transparent sleeve is filled with insulating gas, the transparent sleeve is made of insulating transparent materials, a first wiring terminal and a second wiring terminal are mounted at two ends of the transparent sleeve respectively, an upper contact unit and a moving contact unit are mounted in the transparent sleeve, an upper contact base is fixedly connected to the first wiring terminal, and a moving contact base is fixedly connected to the second wiring terminal.
Furthermore, the transparent sleeve is made of glass fiber reinforced plastic or transparent glass fiber cloth.
Further, the transmission assembly comprises an operating connecting rod, a connecting lever box, a supporting surface and a connecting lever, the supporting surface is installed on the connecting lever box, an operating mechanism is installed below the connecting lever box, a supporting sleeve is fixedly arranged on the supporting surface, the connecting lever is installed in the connecting lever box, one end of the connecting lever is connected with the operating mechanism, the other end of the connecting lever is connected with one end of the operating connecting rod, the other end of the operating connecting rod is connected with the moving contact, one part of the operating connecting rod is installed in the supporting sleeve, the other part of the operating connecting rod is arranged in the transparent sleeve, and the operating mechanism drives the moving contact to slide through the connecting lever and the operating connecting rod.
Furthermore, the crank arm is a convex crank arm.
Further, the operating mechanism is an electric spring mechanism.
Furthermore, the operating mechanism is an electric cylinder, and a piston rod of the electric cylinder is connected with one end of the crank arm.
Furthermore, a sealing ring is arranged at the joint of the transparent sleeve and the first wiring terminal and the second wiring terminal.
Furthermore, the moving contact unit also comprises a valve bank which is arranged at one end of the moving contact and used for fixing the position of the operating connecting rod 7.
Furthermore, the support sleeve is made of glass fiber reinforced plastic, transparent glass fiber cloth or epoxy glass cloth tubes.
Furthermore, the high-voltage isolating switch is also provided with two sets of meters for monitoring gas pressure or density meters, and the meters are respectively connected with the transparent sleeve and the supporting sleeve.
Compared with the prior art, the utility model, it is showing the effect and is: the isolating switch is sealed by the transparent sleeve and the supporting sleeve, and the transparent sleeve and the supporting sleeve are filled with insulating gas, so that the conditions of contact oxidation, ultrahigh resistance value and heating are avoided; the utility model can see the obvious disconnection point of the isolating switch and the opening and closing position through the transparent sleeve, and conforms to the safety operation regulation of the isolating switch, thereby ensuring the personal safety of maintenance personnel; the switch is arranged in the transparent container and is filled with gas to form an insulated and visually sealed high-voltage isolating switch; the high-voltage isolating switch is mainly used for isolating a power supply, switching operation, connecting and cutting off a small-current circuit, is a switching device without an arc extinguishing function, and is used for switching on and off the circuit under the condition of no load current.
Drawings
Fig. 1 is a schematic structural diagram of a 35KV/1000KV full current outdoor sealed high-voltage isolating switch.
In the figure: the device comprises a sealing ring 1, an upper contact base 2, an upper contact 3, a disconnection point 4, a moving contact 5, a valve group 6, an operating connecting rod 7, a transparent sleeve 8, a moving contact base 9, a switching-on position 10, a switching-off position 11, a supporting sleeve 12, a connecting lever box 13, a supporting surface 14, a connecting lever 15, an operating mechanism 16, a first wiring terminal 22A and a second wiring terminal 22B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Example 1
Referring to fig. 1, a 35KV/1000KV full current outdoor sealed high-voltage isolating switch includes an upper contact unit, a moving contact unit, an operating mechanism 16, a transmission assembly, a transparent sleeve 8 and a supporting sleeve 12; the state between the upper contact unit and the moving contact unit can be seen through the transparent sleeve 8, and the disconnection point 4 can be seen when the disconnecting switch is disconnected, so that the disconnection of the switch is ensured, and the safety operation regulation of the isolating switch is met; wherein:
the upper contact unit comprises an upper contact base 2 and an upper contact 3, the upper contact 3 is fixedly arranged on the upper contact base 2, the moving contact unit comprises a moving contact 5, a valve group 6 and a moving contact base 9, the lower end of the moving contact 5 is provided with the valve group 6, and the valve group 6 is used for fixedly connecting the position of an operation connecting rod 7 to prevent the operation connecting rod from shaking; the moving contact 5 is connected with an operating connecting rod 7 in a sliding mode and slides between a switching-on position 10 and a switching-off position 11, and the moving contact 5 is matched with the upper contact 3 to achieve a switching-on function and a switching-off function; in order to ensure the contact performance, spring contact fingers are preferably respectively sleeved outside the movable contact 5. The moving contact has no capacity of switching on or off a large current in the switching-off and switching-on processes, and has the function of switching off or switching on a certain loop in a power-off state.
The upper contact unit and the moving contact unit are both arranged in a transparent sleeve 8, insulating gas is filled in the transparent sleeve 8, a first wiring terminal 22A and a second wiring terminal 22B are respectively arranged at two ends of the transparent sleeve 8, sealing rings 1 are arranged at the joints of the transparent sleeve 8 and the first wiring terminal 22A, and the joints of the transparent sleeve 8 and the second wiring terminal 22B, so that leakage of the insulating gas is prevented, the upper contact base 2 is fixedly connected to the first wiring terminal 22A, and the moving contact base 9 is fixedly connected to the second wiring terminal 22B.
The transmission assembly comprises an operation connecting rod 7, a connecting lever box 13, a supporting surface 14 and a connecting lever 15, the supporting surface 14 is arranged on the connecting lever box 13, the supporting sleeve 12 is fixedly arranged on the supporting surface 14 and filled with insulating gas, the operation mechanism 16 is arranged below the connecting lever box 13, the operation mechanism 16 is an electric spring mechanism, the operation mechanism 16 can drive the moving contact 5 to slide through the connecting lever 15 and the operation connecting rod 7, the connecting lever 15 is arranged in the connecting lever box 13, one end of the operation mechanism is connected with the operation mechanism 16, the other end of the operation mechanism is connected with one end of the operation connecting rod 7, the other end of the operation connecting rod 7 is connected with the moving contact 5 and is arranged in the supporting sleeve 12 and the transparent sleeve 8, wherein the operation mechanism 16 drives the connecting lever 15 and the operation connecting rod 7 to transmit, the moving contact 5 is further driven to slide to realize closing and opening, and closing, and opening, and the connecting lever 15 is a V-shaped connecting lever.
The transparent sleeve 8 is made of transparent insulating materials such as glass fiber reinforced plastics or transparent glass fiber cloth. The support sleeve 12 may be made of transparent or opaque insulating material, which is made of glass fiber reinforced plastic, transparent glass fiber cloth or epoxy glass cloth tube.
Example 2
The present embodiment should be understood to include at least all the features of the foregoing embodiments, and in particular, to a 35KV/1000KV full current outdoor sealed high-voltage isolating switch, the operating mechanism 16 is a piston rod of an electric cylinder connected to one end of a crank arm 15;
in this embodiment, the high-voltage disconnector is further provided with at least two sets of gauges for monitoring the gas pressure or the density, which are connected to the conduits of the transparent casing 8 and the support casing 12, respectively. And the alarm device connected with the meter is additionally arranged and used for sending out an alarm electric signal when the gas pressure is reduced due to leakage of the insulating gas, so that the electrical property is ensured.
The high-voltage outdoor isolating switch is used for an open-type transformer substation, has the functions of switching on and switching off a loop under the condition of no load, has no arc extinguishing function, and can be used for viewing an obvious disconnection point of the isolating switch through a transparent sleeve so as to ensure the personal safety of maintenance personnel.
Claims (10)
1. A35 KV/1000KV full-current outdoor sealed high-voltage isolating switch comprises an upper contact unit, a moving contact unit, an operating mechanism (16) and a transmission assembly, wherein the upper contact unit comprises an upper contact base (2) and an upper contact (3), the upper contact (3) is fixedly arranged on the upper contact base (2), the moving contact unit comprises a moving contact (5) and a moving contact base (9), the moving contact (5) is slidably connected with an operating connecting rod (7) and slides between a switching-on position (10) and a switching-off position (11), and the moving contact (5) is matched with the upper contact (3) to realize switching-on and switching-off; the operating mechanism (16) can drive the moving contact (5) to slide through the transmission component; the high-voltage switch is characterized by further comprising a transparent sleeve (8) and a supporting sleeve (12), wherein insulating gas is filled in the transparent sleeve (8), the transparent sleeve (8) is made of insulating transparent materials, a first wiring terminal (22A) and a second wiring terminal (22B) are mounted at two ends of the transparent sleeve respectively, an upper contact unit and a moving contact unit are mounted in the transparent sleeve (8), an upper contact base (2) is fixedly connected onto the first wiring terminal (22A), and a moving contact base (9) is fixedly connected onto the second wiring terminal (22B).
2. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 1, characterized in that the transparent sleeve (8) is made of glass fiber reinforced plastic or transparent glass fiber cloth.
3. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 1 or 2, it is characterized in that the transmission component comprises an operation connecting rod (7), a crank arm box (13), a supporting surface (14) and a crank arm (15), the supporting surface (14) is arranged on the crank arm box (13), an operation mechanism (16) is arranged below the crank arm box, a supporting sleeve (12) is fixedly arranged on the supporting surface (14), the crank arm (15) is arranged in the crank arm box (13), one end of the connecting rod is connected with an operating mechanism (16), the other end is connected with one end of an operating connecting rod (7), the other end of the operating connecting rod (7) is connected with the moving contact (5), one part of the operating connecting rod (7) is arranged in the supporting sleeve (12), the other part is arranged in the transparent sleeve (8), the operating mechanism (16) drives the moving contact (5) to slide through the crank arm (15) and the operating connecting rod (7).
4. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, wherein the crank arm (15) is a V-shaped crank arm.
5. A 35KV/1000KV full-current outdoor sealed high-voltage disconnector according to claim 3, characterized in that the operating mechanism (16) is an electric spring mechanism.
6. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, wherein the operating mechanism (16) is an electric cylinder, and a piston rod of the electric cylinder is connected with one end of the crank arm (15).
7. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, characterized in that a sealing ring (1) is arranged at the joint of the transparent sleeve (8) and the first connecting terminal (22A) and the second connecting terminal (22B).
8. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, wherein the movable contact unit further comprises a valve group (6), the valve group (6) is disposed at one end of the movable contact (5) to fix the position of the operating link (7).
9. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, characterized in that the supporting sleeve (12) is made of glass fiber reinforced plastic, transparent glass fiber cloth or epoxy glass cloth tube.
10. The 35KV/1000KV full-current outdoor sealed high-voltage isolating switch according to claim 3, characterized in that the high-voltage isolating switch is further provided with two sets of meters for monitoring gas pressure or densitometer, which are respectively connected with the transparent sleeve (8) and the supporting sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659269.6U CN214672348U (en) | 2021-03-31 | 2021-03-31 | 35KV/1000KV full current outdoor sealed high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659269.6U CN214672348U (en) | 2021-03-31 | 2021-03-31 | 35KV/1000KV full current outdoor sealed high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672348U true CN214672348U (en) | 2021-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120659269.6U Active CN214672348U (en) | 2021-03-31 | 2021-03-31 | 35KV/1000KV full current outdoor sealed high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672348U (en) |
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2021
- 2021-03-31 CN CN202120659269.6U patent/CN214672348U/en active Active
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