CN209880480U - Pole-mounted circuit breaker - Google Patents

Abstract

The utility model discloses a circuit breaker on post, including plastic joint, vacuum interrupter, fixing base, inspection box, mounting groove, protecgulum, handle, connecting leaf, outer box, conducting rod, waterproof layer, sealing washer, rain groove, fly net and louvre. The utility model has the advantages that: the fixing base is the circular draw-in groove structure of metal, and be provided with the fixed ear of annular all around, and fix vacuum interrupter and fixing base on outer box through the screw hole connection of screw nail, it is the left side of setting at outer box to examine the box, and be fixed with fixed ear through welded connection all around, the waterproof layer is network structure, and connect the through-hole department that sets up on outer box through the screw hole, the sealing washer is provided with six altogether, and the sealing washer passes through the powerful glue and fixes in the through-hole on outer box, the fly net is the fine mesh structure of metal, and every all fixes in the top at the louvre through the screw hole connection.

Description

Pole-mounted circuit breaker

Technical Field

The utility model relates to a circuit breaker on the post specifically is a circuit breaker on post belongs to electrical equipment technical field.

Background

With the rapid development of economy and the continuous increase of power supply amount in China, particularly the dependence of various customers on electric power is increasingly strengthened, in order to improve the power supply reliability of a power grid, a pole-mounted circuit breaker is often used for connection, segmentation and branch lines in the power grid so as to improve the power supply reliability of the power grid, but the management of the pole-mounted circuit breaker is a weak link of county-level power supply enterprises, the due function of the pole-mounted circuit breaker can be exerted only by bringing the pole-mounted circuit breaker into standardized and institutional management, otherwise, the safety management and the power supply reliability of the enterprises can be directly influenced, the pole-mounted circuit breaker is a circuit breaker which is installed and operated on an electric pole, the research level of the strength and the manufacturing technology of various circuit breakers are greatly developed, the vacuum circuit breaker is not limited to a medium-voltage power grid but developed towards high voltage and large capacity, and the sulfur hexafluoride circuit breaker has many advantages such, The continuous on-off frequency is high, the operation can be frequently carried out, the operation noise is low, the fire hazard is avoided, and the like, and the device is good oil-free equipment.

However, the existing on-site circuit breakers in the market have more or less problems, one is that the vacuum arc-extinguishing chamber cannot be replaced or is too troublesome to replace, which is inconvenient for electricians to operate in the air, and the whole instrument is scrapped because the components cannot be replaced when damaged, so that the power transmission in the area is in a problem, the other is that the side inspection device is not provided, the observation cannot be performed after the internal circuit is in a problem, and the internal circuit cannot be maintained, and the third is that the water absorption device is not provided, and when raining, rainwater enters the inside of the case to cause the internal circuit to be burned out, so that the whole instrument is damaged, the fourth is that the sealing device is not provided, the vacuum arc-extinguishing chamber cannot be kept in a sealed vacuum state, so that oxygen enters the inside of the case to cause the oxidation of the internal circuit, and the fifth is that the insect-proof device is not provided, it is the burning of the internal wires.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker on post just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a pole-mounted circuit breaker comprises a plastic joint, a vacuum arc extinguish chamber, a fixing seat, an inspection box, a mounting groove, a front cover, a lifting handle, a connecting blade, an outer box body, a conducting rod, a waterproof layer, a sealing ring, a rain-proof groove, an insect-proof net and heat dissipation holes. The vacuum arc extinguish chamber, the inspection box, the mounting groove, the front cover, the connecting blades, the outer box body, the conducting rod, the waterproof layer, the rain-proof groove, the insect-proof net and the heat dissipation holes form a main body structure of the pole-mounted circuit breaker, the plastic joint is arranged at the upper end of the vacuum arc extinguish chamber, the gap at the upper end of the vacuum arc extinguish chamber is filled by hot melting the bottom of the plastic joint, the vacuum arc extinguish chamber is arranged on the fixed seat and is divided into three groups, each group is respectively arranged at the top and the side surface of the outer box body, the fixed seat is arranged at the bottom of the vacuum arc extinguish chamber and is fixed on the outer box body, the inspection box is arranged at the left side of the outer box body, the mounting groove is arranged at the bottom of the outer box body, four threaded through holes are arranged on the mounting groove, the front cover is arranged at the opening, and the connecting leaf is provided with two altogether, the handle sets up the below at the protecgulum, and the junction passes through welded connection fixed, the conducting rod sets up in the positive centre of vacuum interrupter, and the below of conducting rod is provided with the hickey, the waterproof layer sets up the inboard outside the box, the sealing washer sets up in the through-hole on the box outside, the rain proof tank sets up the bottom at the box outside, the fly net sets up the top at the louvre, and the louvre sets up the top at the rain proof tank.

Preferably, for the ease of changing vacuum interrupter, prevent that it from because it damages, leading to whole device to change completely, the electrician of being not convenient for simultaneously operates in the high altitude, brings very big hidden danger for its life safety, the fixing base is circular draw-in groove structure, and the draw-in groove laminates mutually with the fixture block of vacuum interrupter bottom, and is provided with annular fixed ear all around, and is provided with four through-holes on the fixed ear, and fixes vacuum interrupter and fixing base on the outer box through the screw hole connection of screw nail.

Preferably, for the circuit at its internal components and parts rear is looked in the convenience, prevents to appear because rear components and parts damage and can't follow the problem of trading, avoids pulling down whole instrument simultaneously and inspects, saves the change time, look the box-like structure of box for setting up the left side opening part of box outside, and be fixed with fixed ear through welded connection all around, and be provided with the through-hole on the fixed ear, it is fixed to inspect the box through the screw hole connection of screw nail.

Preferably, in order to prevent that it from using for a long time, the shell is ageing, leads to the condition of infiltration to appear, and protection internal circuit does not receive the rainwater corruption, prevents that it from appearing the condition that the infiltration leads to the internal circuit to burn out, the waterproof layer is network structure, and sets up the through-hole department on the external box body through the screw hole connection.

Preferably, in order to protect the vacuum arc-extinguishing chamber to keep a sealed vacuum state and prevent oxygen from entering the vacuum arc-extinguishing chamber to cause oxidation of internal circuits, the six sealing rings are arranged and sleeved at the bottom of the conducting rod, and the sealing rings are fixed in the through holes in the outer box body through super glue.

Preferably, in order to prevent that the insect from getting into the block terminal, prevent that it from gnawing the electric wire and make the circuit short circuit, cause the inner line to burn out, too much insect gets into the block terminal simultaneously, the fly net is provided with two, and every all fixes in the top at the louvre through the screw hole connection.

The utility model has the advantages that: the pole-mounted circuit breaker is reasonable in design, the fixing seat is of a metal circular clamping groove structure, the clamping groove is attached to a clamping block at the bottom of the vacuum arc extinguish chamber, annular fixing lugs are arranged on the periphery of the clamping groove, four through holes are formed in the fixing lugs, the vacuum arc extinguish chamber and the fixing seat are fixed on the outer box body through threaded hole connection of the threaded nail, the vacuum arc extinguish chamber is convenient to replace, the whole device is prevented from being completely replaced due to damage of the vacuum arc extinguish chamber, an electrician is inconvenient to operate at high altitude, great hidden danger is brought to life safety of the electrician, the inspection box is of a box-shaped structure arranged at the left opening of the outer box body, the fixing lugs are fixed on the periphery of the inspection box through welding connection, the through holes are formed in the fixing lugs, the inspection and fixation of the inspection box are realized through threaded hole connection of the threaded nail, meanwhile, the whole instrument is prevented from being detached for inspection, the replacement time is saved, the operation is simplified, the waterproof layer is of a net structure and is connected with the through hole arranged on the outer box body through the threaded hole, the situation that the shell is aged and water seepage occurs when the waterproof layer is used for a long time is prevented, the internal circuit is protected from being corroded by rainwater, the situation that the internal circuit is burnt due to water seepage is prevented, six sealing rings are arranged and sleeved at the bottom of the conducting rod, the sealing rings are fixed in the through holes on the outer box body through strong glue, the vacuum arc extinguish chamber is protected to be kept in a sealed vacuum state, oxygen is prevented from entering the vacuum arc extinguish chamber to enter the interior of the vacuum arc extinguish chamber, the service life of the circuit is prolonged, two insect-proof nets are arranged and are connected and fixed above the heat dissipation holes through the threaded holes, insects are prevented from entering the distribution box, and excessive insects enter the distribution box, which can cause the dead bodies and excrement inside the accessory box to accumulate.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a side sectional view of the structure of the present invention.

In the figure: 1. plastic joint, 2, vacuum interrupter, 3, fixing base, 4, inspection box, 5, mounting groove, 6, protecgulum, 7, handle, 8, connecting leaf, 9, outer box, 10, conducting rod, 11, waterproof layer, 12, sealing washer, 13, rain-proof groove, 14, insect-proof net and 15, louvre.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-2, a pole-mounted circuit breaker includes a plastic connector 1, a vacuum interrupter 2, a fixing base 3, an inspection box 4, an installation groove 5, a front cover 6, a handle 7, a connecting blade 8, an outer case 9, a conductive rod 10, a waterproof layer 11, a sealing ring 12, a rain-proof groove 13, an insect-proof net 14, and a heat dissipation hole 15. The vacuum arc-extinguishing chamber 2, the inspection box 4, the mounting groove 5, the front cover 6, the connecting leaf 8, the outer box body 9, the conducting rod 10, the waterproof layer 11, the rainproof groove 13, the insect-proof net 14 and the heat dissipation holes 15 form the main body structure of the pole-mounted circuit breaker, the plastic joint 1 is arranged at the upper end of the vacuum arc-extinguishing chamber 2, the gap at the upper end of the vacuum arc-extinguishing chamber 2 is filled by hot melting the bottom of the plastic joint 1, the vacuum arc-extinguishing chamber 2 is arranged on the fixing seat 3, six plastic joints are arranged, and are divided into three groups, each group is respectively arranged at the top and the side of the outer box body 9, the fixing seat 3 is arranged at the bottom of the vacuum arc-extinguishing chamber 2 and is fixed on the outer box body 9, the inspection box 4 is arranged at the left side of the outer box body 9, the mounting groove 5 is arranged at the bottom of the outer box body, and fix protecgulum 6 on outer box 9 through connecting leaf 8, and connecting leaf 8 is provided with two altogether, handle 7 sets up in the below of protecgulum 6, and the junction passes through welded connection and fixes, conducting rod 10 sets up in vacuum interrupter 2 is positive in the middle, and the below of conducting rod 10 is provided with the hickey, waterproof layer 11 sets up the inboard of outer box 9, sealing washer 12 sets up in the through-hole on outer box 9, rain-proof groove 13 sets up the bottom at outer box 9, insect-proof net 14 sets up in the top of louvre 15, and louvre 15 sets up the top at rain-proof groove 13.

The fixing seat 3 is of a metal circular clamping groove structure, the clamping groove is attached to a clamping block at the bottom of the vacuum arc extinguish chamber 2, annular fixing lugs are arranged on the periphery of the clamping groove, four through holes are formed in the fixing lugs, the vacuum arc extinguish chamber 2 and the fixing seat 3 are fixed on the outer box body 9 through threaded hole connection of a threaded nail, the vacuum arc extinguish chamber is convenient to replace, the whole device is prevented from being completely replaced due to damage of the vacuum arc extinguish chamber, an electrician cannot operate at high altitude conveniently, great potential hazards are brought to life safety of the device, the inspection box 4 is of a box-shaped structure arranged at the left opening of the outer box body 9, the fixing lugs are fixed on the periphery of the inspection box through welding, the through holes are formed in the fixing lugs, the inspection box 4 is fixed through threaded hole connection of the threaded nail, circuits behind internal components are convenient to inspect, and the problem that replacement, meanwhile, the whole instrument is prevented from being detached for inspection, the replacement time is saved, the operation is simplified, the waterproof layer 11 is of a net structure and is connected with the through hole arranged on the outer box body 9 through a threaded hole, the situation that the shell is aged and water seepage occurs when the waterproof layer is used for a long time is prevented, internal circuits are protected from being corroded by rainwater, the situation that the internal circuits are burnt due to water seepage is prevented, the six sealing rings 12 are arranged and sleeved at the bottom of the conducting rod 10, the sealing rings 12 are fixed in the through holes on the outer box body 9 through strong glue, the vacuum arc extinguish chamber is protected to keep a sealed vacuum state, oxygen is prevented from entering the vacuum arc extinguish chamber to oxidize the internal circuits, the service life of the circuits is prolonged, the two insect-proof nets 14 are arranged, each insect-proof net is connected and fixed above the heat dissipation hole 15 through the threaded hole, insects are prevented from entering the distribution, causing the internal wiring to burn out while too many insects enter the distribution box, which can cause the dead bodies and feces of the insects to accumulate inside the accessory box.

The working principle is as follows: when using this circuit breaker on post, earlier with the electric wire interface fixed to plastic joint 1 on, with vacuum interrupter 2 fixture block card in fixing base 3's draw-in groove, fix fixing base 3 on outer box 9, install inside electronic component, install the bottom screw thread kneck of conducting rod 10 with inside components and parts line interface, will inspect on box 4 installs outer box 9, settle mounting groove 5 fixed department on the wire pole again, it is corresponding with the screw hole, it consolidates to twist the screw thread post, close protecgulum 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A pole-mounted circuit breaker, comprising: the device comprises a plastic joint (1), a vacuum arc-extinguishing chamber (2), a fixed seat (3), an inspection box (4), a mounting groove (5), a front cover (6), a handle (7), a connecting blade (8), an outer box body (9), a conducting rod (10), a waterproof layer (11), a sealing ring (12), a rainproof groove (13), an insect-proof net (14) and a heat dissipation hole (15); the vacuum arc-extinguishing chamber (2), the inspection box (4), the mounting groove (5), the front cover (6), the connecting blades (8), the outer box body (9), the conducting rod (10), the waterproof layer (11), the rainproof groove (13), the insect-proof net (14) and the radiating holes (15) form a main body structure of the pole-mounted circuit breaker, the plastic joints (1) are arranged at the upper end of the vacuum arc-extinguishing chamber (2), gaps at the upper end of the vacuum arc-extinguishing chamber (2) are filled through the bottom of the plastic joints (1) after hot melting treatment, the vacuum arc-extinguishing chamber (2) is arranged on the fixing seat (3) and is divided into six groups, each group is respectively arranged at the top and the side of the outer box body (9), the fixing seat (3) is arranged at the bottom of the vacuum arc-extinguishing chamber (2) and is fixed on the outer box body (9), the inspection box (4) is arranged at the left side of, the mounting groove (5) is arranged at the bottom of the outer box body (9), four threaded through holes are formed in the mounting groove (5), the front cover (6) is arranged at the front opening of the outer box body (9), the front cover (6) is fixed on the outer box body (9) through connecting blades (8), two connecting blades (8) are arranged, the handle (7) is arranged below the front cover (6), the connecting part is fixed through welding connection, the conducting rod (10) is arranged in the middle of the vacuum arc-extinguishing chamber (2), a threaded interface is arranged below the conducting rod (10), the waterproof layer (11) is arranged on the inner side of the outer box body (9), the sealing ring (12) is arranged in the through hole in the outer box body (9), the rain-proof groove (13) is arranged at the bottom of the outer box body (9), and the insect-proof net (14) is arranged above the heat dissipation hole (15), and the heat dissipation holes (15) are arranged above the rain-proof groove (13).

2. A pole break as claimed in claim 1, characterized in that: fixing base (3) are circular draw-in groove structure, and the draw-in groove laminates mutually with the fixture block of vacuum interrupter (2) bottom, and is provided with annular fixed ear all around, and is provided with four through-holes on the fixed ear, and fixes vacuum interrupter (2) on outer box (9) with fixing base (3) through the screw hole connection of screw nail.

3. A pole break as claimed in claim 1, characterized in that: the inspection box (4) is of a box-shaped structure arranged at the left opening of the outer box body (9), fixing lugs are fixed on the periphery of the inspection box through welding connection, through holes are formed in the fixing lugs, and the inspection box (4) is fixed through threaded hole connection of threaded nails.

4. A pole break as claimed in claim 1, characterized in that: the waterproof layer (11) is of a net structure and is connected with through holes arranged on the outer box body (9) through threaded holes.

5. A pole break as claimed in claim 1, characterized in that: the six sealing rings (12) are arranged and sleeved at the bottom of the conducting rod (10), and the sealing rings (12) are fixed in through holes in the outer box body (9) through super glue.

6. A pole break as claimed in claim 1, characterized in that: the insect-proof net (14) is provided with two and each insect-proof net is connected and fixed above the heat dissipation holes (15) through threaded holes.