CN212161673U - High-voltage isolating switch with better corrosion resistance and weather resistance - Google Patents

Abstract

The utility model discloses a high voltage isolator of anticorrosive resistant weatherability preferred relates to isolator technical field, including the pillar, the mounting bracket, the lead frame, insulating pillar and electrically conductive frame, the pillar top is equipped with erection column and erection column down, pillar fixed connection is in erection column bottom down, and go up the erection column and pass through flange joint with erection column down, the mounting bracket is the both sides of symmetric connection in erection column down, and the lead frame is connected with the mounting bracket through the bolt, go up the inside cavity of erection column and erection column down, and erection column internally mounted has the motor down, upward install the fan in the erection column, and the motor keeps the transmission with the fan, can effectively get rid of adnexed rainwater and debris on the main shaft, prevent to influence electrically conductive efficiency and reduce the condition emergence of opening circuit, the weatherability has been improved greatly simultaneously, service life is prolonged.

Description

High-voltage isolating switch with better corrosion resistance and weather resistance

Technical Field

The utility model relates to an isolator technical field specifically says a high voltage isolator of anticorrosive resistant time preferred.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment.

The existing high-voltage switch is difficult to remove rainwater and sundries attached to a main shaft along with main weather and environmental reasons, influences the conductive efficiency for a long time and easily causes circuit breaking, thereby reducing the service life.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a high voltage isolator of anticorrosive resistant time preferred here can effectively get rid of adnexed rainwater and debris on the main shaft, prevents to influence electrically conductive efficiency and reduces the condition emergence that opens circuit, has improved the weatherability greatly simultaneously, has prolonged life.

The utility model is realized in such a way, a high-voltage isolating switch with better corrosion resistance and weather resistance is constructed, which comprises a support post, a mounting rack, a lead frame, an insulating support post and a conductive frame, wherein the top of the support post is provided with an upper mounting post and a lower mounting post, the support post is fixedly connected with the bottom of the lower mounting post, the upper mounting post and the lower mounting post are connected through a flange, the mounting rack is symmetrically connected with the two sides of the lower mounting post, the lead frame is connected with the mounting rack through a bolt, the upper mounting post and the lower mounting post are hollow, a motor is arranged in the lower mounting post, a fan is arranged in the upper mounting post, the motor keeps transmission with the fan, the top of the upper mounting post is provided with a ventilation pipe, the ventilation pipe is communicated with the upper mounting post, the insulating support post is arranged on the two sides of the upper mounting post, a moving contact is installed on one side of a conductive frame on an insulating support on the right side, a contact frame is arranged on the inner side of the moving contact, a main shaft is hinged to the inner side of the fixed contact, the other end of the moving contact is matched with the contact frame, an anti-breakdown sleeve is arranged at the center of the main shaft, and a protective liquid box is connected to the top of the anti-breakdown sleeve.

Preferably, protection liquid box top is equipped with the pipe, and pipe one end and protection liquid box intercommunication, and the other end is equipped with the drip, is provided with rust-resistant liquid oil in the protection liquid box through setting up, drips rust-resistant liquid oil into the contact frame regularly through pipe and drip, prevents to rust rainwater infiltration moving contact and causes to rust to increase of service life.

Preferably, a wire is arranged on one side of the lead frame, the lead frame is used for normally supplying power to the wire, and meanwhile, the insulating support is used for separating the main shaft from the lower part, so that the phenomenon that the contact terminal and the contact frame are closed to generate electric arcs to cause the disconnection of the lead frame and the wire is prevented.

Preferably, the wind gap has all been seted up to the top and both sides of ventilation pipe, and last erection column through setting up is high insulating material with lower erection column, drives the fan through the motor and rotates and blast air, gets rid of adnexed rainwater and debris on the main shaft, prevents to influence electrically conductive efficiency and reduces the condition emergence of opening circuit.

Preferably, the drip extends to the top of the contact frame, the guide cotton is arranged in the guide pipe, extends out of the drip and contacts with the contact frame, the protective liquid box is internally and externally provided with a certain negative pressure, and simultaneously the guide cotton has a suction effect to lead out the antirust liquid oil in the protective liquid box, and meanwhile, the main shaft is also coated with an antirust layer, so that the weather resistance of the switch is greatly improved.

The utility model discloses an advantage embodies to be:

the method has the advantages that: the anti-rust liquid oil is periodically dripped into the contact frame through the guide pipe and the drip opening, so that the contact frame is prevented from rusting because the rusting rainwater permeates into the moving contact to cause rusting, and the service life is prolonged; the arranged lead frame is used for normally supplying power to the lead, and meanwhile, the insulating support is used for separating the main shaft from the lower part, so that the contact structure can prevent the contact structure from being broken due to the fact that the contact structure is closed and then an electric arc occurs between the contact structure and the lead frame;

the method has the advantages that: the upper mounting column and the lower mounting column are made of high-insulation materials, and the motor drives the fan to rotate to blow air, so that rainwater and sundries attached to the main shaft are removed, the conductive efficiency is prevented from being influenced, and the occurrence of open circuit is reduced;

the method has the advantages that: the guide cotton is arranged in the guide pipe, the drip opening extends out, and the guide cotton is in contact with the contact frame, and due to the fact that certain negative pressure is arranged inside and outside the protective liquid box, the guide cotton is attracted to lead out antirust liquid oil inside the protective liquid box, and meanwhile, an antirust layer is coated on the main shaft, and therefore weather resistance of the switch is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the spindle of the present invention.

Fig. 3 is a partially enlarged schematic view of the lower mounting post of fig. 1 according to the present invention.

Sequence numbers shown in the figures: the device comprises an upper mounting column 1, a lower mounting column 2, a mounting frame 3, a lead frame 4, a motor 5, an insulating support column 6, a conductive frame 7, a static contact 8, a main shaft 9, a movable contact 10, an anti-breakdown sleeve 11, a protective liquid box 12, a conduit 121, a drip opening 122, a support column 13, an air opening 14, a contact frame 15, a fan 16, a ventilation pipe 17 and a lead 18.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a high-voltage isolating switch with better corrosion resistance and weather resistance through improvement, as shown in the attached drawing of the specification, the high-voltage isolating switch can be implemented as follows; the novel electric connector comprises a supporting column 13, a mounting frame 3, a lead frame 4, an insulating supporting column 6 and a conductive frame 7, wherein an upper mounting column 1 and a lower mounting column 2 are arranged at the top of the supporting column 13, the supporting column 13 is fixedly connected to the bottom of the lower mounting column 2, the upper mounting column 1 is connected with the lower mounting column 2 through a flange, the mounting frame 3 is symmetrically connected to two sides of the lower mounting column 2, the lead frame 4 is connected with the mounting frame 3 through bolts, the upper mounting column 1 and the lower mounting column 2 are hollow, a motor 5 is arranged in the lower mounting column 2, a fan 16 is arranged in the upper mounting column 1, the motor 5 keeps transmission with the fan 16, a ventilating pipe 17 is arranged at the top of the upper mounting column 1, the ventilating pipe 17 is communicated with the upper mounting column 1, the insulating supporting column 6 is arranged at two sides of the upper mounting column 1, the conductive frame 7 is connected to the top end of, a moving contact 10 is arranged on one side of a conductive frame 7 on the right insulating support 6, a contact frame 15 is arranged on the inner side of the moving contact 10, a main shaft 9 is hinged on the inner side of a static contact 8, the other end of the moving contact 10 is matched with the contact frame 15, an anti-breakdown sleeve 11 is arranged at the center of the main shaft 9, and the top of the anti-breakdown sleeve 11 is connected with a protective liquid box 12.

The utility model discloses in, protection liquid box 12 top is equipped with pipe 121, and pipe 121 one end and protection liquid box 12 intercommunication, and the other end is equipped with drip 122, is provided with anti-rust liquid oil in the protection liquid box 12 through the setting, drops into contact frame 15 with anti-rust liquid oil regularly through pipe 121 and drip 122, prevents that rusty rainwater infiltration moving contact 10 from causing rusty to increase of service life.

The lead frame 4 is provided with a lead 18 at one side, the lead frame 4 is used for normal power supply of the lead 18, and the insulating support 6 is used for separating the main shaft 9 from the lower part, so that the contact 10 and the contact frame 15 are prevented from being folded to generate electric arc to cause the lead frame 4 and the lead 18 to be disconnected.

Wind gap 14 has all been seted up to the top and the both sides of ventilation pipe 17, and last erection column 1 through setting up is high insulating material with lower erection column 2, drives fan 16 through motor 5 and rotates and blast air, and wind evenly blows off from wind gap 14, gets rid of adnexed rainwater and debris on the main shaft 9, prevents to influence the electrically conductive efficiency and reduces the condition emergence that opens circuit.

The drip 122 extends to the top of the contact frame 15, the guide cotton is arranged in the guide pipe 121, the drip 122 extends out and contacts with the contact frame 15, the protective liquid box 12 has certain negative pressure inside and outside, and meanwhile, the guide cotton has a suction effect to lead out the antirust liquid oil in the protective liquid box, and meanwhile, the main shaft 9 is also coated with an antirust layer, so that the weather resistance of the switch is greatly improved.

In conclusion; high voltage isolator of anticorrosive resistant time preferred compares with the high voltage isolator of current anticorrosive resistant time preferred, can effectively get rid of adnexed rainwater and debris on the main shaft, prevents to influence electrically conductive efficiency and reduce the condition emergence that opens circuit, has improved the weatherability simultaneously greatly, has prolonged life.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides a high voltage isolator of anticorrosive resistant time preferred, includes pillar (13), mounting bracket (3), lead frame (4), insulating pillar (6) and electrically conductive frame (7), its characterized in that: the top of the pillar (13) is provided with an upper mounting post (1) and a lower mounting post (2), the pillar (13) is fixedly connected to the bottom of the lower mounting post (2), the upper mounting post (1) is connected with the lower mounting post (2) through a flange, the mounting frame (3) is symmetrically connected to the two sides of the lower mounting post (2), the lead frame (4) is connected with the mounting frame (3) through a bolt, the upper mounting post (1) and the lower mounting post (2) are hollow inside, a motor (5) is arranged inside the lower mounting post (2), a fan (16) is arranged in the upper mounting post (1), the motor (5) and the fan (16) keep transmission, the top of the upper mounting post (1) is provided with a ventilation pipe (17), the ventilation pipe (17) is communicated with the upper mounting post (1), and insulation pillars (6) are arranged on the two sides of the upper mounting post (1), the top of insulating pillar (6) is connected with electrically conductive frame (7), and electrically conductive frame (7) one side that is located on insulating pillar (6) in the left side installs static contact (8), and electrically conductive frame (7) one side that is located on insulating pillar (6) in the right side installs moving contact (10), moving contact (10) inboard is equipped with contact frame (15), static contact (8) inboard is articulated to be provided with main shaft (9), looks adaptation between moving contact (10) other end and contact frame (15), the central point of main shaft (9) puts and is equipped with prevents hitting and wears cover (11), it is connected with protection liquid box (12) to prevent hitting and wears cover (11) top.

2. The high-voltage isolating switch with better corrosion resistance and weather resistance as claimed in claim 1, is characterized in that: the top of the protective liquid box (12) is provided with a conduit (121), one end of the conduit (121) is communicated with the protective liquid box (12), and the other end of the conduit is provided with a drip (122).

3. The high-voltage isolating switch with better corrosion resistance and weather resistance as claimed in claim 1, is characterized in that: one side of the lead frame (4) is provided with a lead (18).

4. The high-voltage isolating switch with better corrosion resistance and weather resistance as claimed in claim 1, is characterized in that: and the top and two sides of the ventilation pipe (17) are provided with air ports (14).

5. The high-voltage isolating switch with better corrosion resistance and weather resistance as claimed in claim 2, is characterized in that: the drip opening (122) extends to the top of the contact frame (15).

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