CN217933602U

CN217933602U - Pole-mounted circuit breaker

Info

Publication number: CN217933602U
Application number: CN202221448459.4U
Authority: CN
Inventors: 刘刚; 任炜
Original assignee: Baoding Jikai Power Equipment Co ltd
Current assignee: Baoding Jikai Power Equipment Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-29
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a pole-mounted circuit breaker, which comprises a mechanism box and an arc extinguish chamber fixedly installed at the top end of the mechanism box, wherein a heat dissipation assembly is fixedly installed at the bottom end of the mechanism box, a support frame is fixedly installed at the bottom end of the mechanism box, the support frame is fixedly connected with a telegraph pole fixedly installed on the ground, and a shielding assembly is fixedly installed on the support frame; the utility model discloses the thermovent that sets up makes things convenient for electronic component in the mechanism case to dispel the heat, the screen panel cover is established in the bottom plate bottom, blocks the insect outside, prevents that the insect from climbing into the mechanism case from the thermovent, gnaws the electric wire or causes the short circuit as the conductor, be provided with a plurality of drying box between screen panel and the bottom plate, before external air gets into the thermovent, the moisture in the adsorbed air reduces the moisture content of the air that gets into the thermovent, avoid the electronic component in the mechanism case to receive damp damage, effectively improve the life of the electronic component in the mechanism case; the subassembly is sheltered from in the setting of carriage top, can shelter from sleet for the circuit breaker, prevents that the circuit breaker from being corroded by the rainwater.

Description

Pole-mounted circuit breaker

Technical Field

The utility model relates to a power equipment technical field especially relates to a circuit breaker on post.

Background

Pole breakers refer to circuit breakers that are installed and operated on electrical poles. The research level and the manufacturing technology of the circuit breaker have been greatly developed, and the vacuum circuit breaker is not limited to the medium voltage power grid, but is developed towards the high voltage and large capacity.

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, the pole-mounted circuit breaker is often used for connecting, segmenting and branching lines in the power grid so as to improve the power supply reliability of the power grid, however, the existing pole-mounted circuit breaker has good sealing performance and poor heat dissipation effect in order to prevent rainwater from entering, and the service life of the pole-mounted circuit breaker is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circuit breaker on post aims at solving or improves at least one among the above-mentioned technical problem.

In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides a pole-mounted circuit breaker, which comprises a mechanism box and an arc extinguish chamber fixedly arranged at the top end of the mechanism box, wherein a heat radiation assembly is fixedly arranged at the bottom end of the mechanism box;

the heat dissipation assembly comprises a bottom plate and a mesh enclosure which are sequentially arranged at the bottom end of the mechanism box from top to bottom at intervals, the bottom plate is fixedly connected with the bottom end of the mechanism box, a plurality of heat dissipation ports are formed in the bottom plate, the mesh enclosure is detachably connected with the bottom end of the mechanism box, a plurality of drying boxes are arranged between the mesh enclosure and the bottom plate, and are arranged on the mesh enclosure in a staggered mode.

Preferably, screen panel one end pass through the hinge with mechanism bottom of the case end lateral wall rotates to be connected, the mechanism case is kept away from the one end lateral wall of hinge has seted up the through-hole, sliding connection has the bolt in the through-hole, bolt fixedly connected with connecting rod, through-hole outside end fixed mounting has the end cover, the connecting rod runs through end cover fixedly connected with pull ring, connecting rod outside cover is equipped with the spring, the spring is located the bolt with between the end cover, the bolt is located the screen panel below.

Preferably, the shelter from the subassembly include fixed mounting in stand on the support frame, it is connected with the pivot to rotate on the stand, pivot fixedly connected with shielding plate, stand top fixedly connected with horizontal pole, the horizontal pole is located the shielding plate top, the horizontal pole is kept away from the one end of stand with fixed mounting has the extension spring between the shielding plate top.

Preferably, a plurality of inserting blocks are fixedly mounted on the mesh enclosure, a slot is formed in the bottom of the drying box, and the inserting blocks are matched with the slot.

Preferably, a plurality of vent holes are formed in the side wall of the drying box, and a drying agent is placed in the drying box.

Preferably, the side wall of the mesh enclosure is coated with a rubber layer, and the rubber layer is located between the mesh enclosure and the side wall of the mechanism box.

Preferably, the top of the cross rod is fixedly provided with a support rod, and the top of the support rod is rotatably provided with a bird repelling paddle through a bearing.

The utility model discloses a following technological effect: the utility model discloses the thermovent that sets up makes things convenient for the mechanism incasement electronic component to dispel the heat, the screen panel cover is established in the bottom plate bottom, blocks the insect outside, prevents that the insect from climbing into the mechanism incasement from the thermovent, gnaws the electric wire or causes the short circuit as the conductor, be provided with a plurality of drying boxes between screen panel and the bottom plate, before outside air gets into the thermovent, adsorb the moisture in the air, reduce the moisture content of the air that gets into the thermovent, avoid the mechanism incasement electronic component to receive damp damage, effectively improve the life of the mechanism incasement electronic component; the subassembly is sheltered from in the setting of carriage top, can shelter from sleet for the circuit breaker, prevents that the circuit breaker from being corroded by the rainwater.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a pole top circuit breaker;

FIG. 2 is a schematic view of a heat dissipation assembly;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

in the figure: 1. a mechanism box; 2. an arc extinguishing chamber; 3. a utility pole; 4. a base plate; 5. a heat dissipation port; 6. a net cover; 7. drying the box; 8. a support frame; 9. a through hole; 10. a bolt; 11. a connecting rod; 12. an end cap; 13. a pull ring; 14. a spring; 15. a column; 16. a rotating shaft; 17. a shielding plate; 18. a cross bar; 19. a tension spring; 20. inserting a block; 21. a slot; 22. a rubber layer; 23. a vent hole; 24. a strut; 25. a bird repelling paddle.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a pole-mounted circuit breaker, which comprises a mechanism box 1 and an arc extinguish chamber 2 fixedly installed at the top end of the mechanism box 1, wherein a heat dissipation assembly is fixedly installed at the bottom end of the mechanism box 1, a support frame 8 is fixedly installed at the bottom end of the mechanism box 1, the support frame 8 is fixedly connected with a wire pole 3 fixedly installed on the ground, and a shielding assembly is fixedly installed on the support frame 8;

the heat dissipation assembly comprises a bottom plate 4 and a mesh enclosure 6 which are sequentially arranged at the bottom end of the mechanism box 1 from top to bottom at intervals, the bottom plate 4 is fixedly connected with the bottom end of the mechanism box 1, a plurality of heat dissipation openings 5 are formed in the bottom plate 4, the mesh enclosure 6 is detachably connected with the bottom end of the mechanism box 1, a plurality of drying boxes 7 are arranged between the mesh enclosure 6 and the bottom plate 4, the drying boxes 7 are installed on the mesh enclosure 6, and the drying boxes 7 and the heat dissipation openings 5 are arranged in a staggered mode.

The utility model discloses the thermovent 5 that sets up makes things convenient for electronic component to dispel the heat in the mechanism case 1, screen panel 6 covers and establishes in bottom plate 4 bottom, stop the insect outside, prevent that the insect from climbing into the mechanism case 1 from the thermovent 5, gnaw the electric wire or cause the short circuit as the conductor, be provided with a plurality of drying boxes 7 between screen panel 6 and bottom plate 4, before outside air gets into thermovent 5, adsorb the moisture in the air, reduce the moisture content of the air that gets into thermovent 5, avoid the electronic component in the mechanism case 1 to receive damp damage, effectively improve the life of electronic component in the mechanism case 1; 8 tops of support frame set up and shelter from the subassembly, can shelter from sleet for the circuit breaker, prevent that the circuit breaker from being corroded by the rainwater.

Further optimization scheme, one end of the mesh enclosure 6 is rotatably connected with the side wall of the bottom end of the mechanism box 1 through a hinge, a through hole 9 is formed in the side wall of one end, away from the hinge, of the mechanism box 1, a bolt 10 is slidably connected in the through hole 9, the bolt 10 is fixedly connected with a connecting rod 11, the outer diameter of the connecting rod 11 is smaller than that of the bolt 10, an end cover 12 is fixedly mounted at the outer side of the through hole 9, the connecting rod 11 penetrates through the end cover 12 and is fixedly connected with a pull ring 13, a spring 14 is sleeved on the outer side of the connecting rod 11, the diameter of the spring 14 is larger than that of the connecting rod 11 and smaller than that of the bolt 10, the diameter of the pull ring 13 is larger than that of the through hole 9, the spring 14 is located between the bolt 10 and the end cover 12, the bolt 10 is located below the mesh enclosure 6, when the drying box 7 needs to be replaced, the pull ring 13 can be pulled, the connecting rod 11 drives the bolt 10 to retract into the through hole 9, the bolt 10 is separated from the mesh enclosure 6 at the moment, the mesh enclosure 6 is pulled downwards, the mesh enclosure 6 rotates downwards around the clutch page, the mesh enclosure 6 is located in a vertical state, at the moment, the drying box 7 can be replaced, after the mesh enclosure 6 is finished, and the mesh enclosure 6 is released, and the original position is pushed by the spring 14.

Further optimize the scheme, the shielding assembly comprises a stand column 15 fixedly mounted on the support frame 8, a rotating shaft 16 is connected to the stand column 15 in a rotating mode, a shielding plate 17 is fixedly connected to the rotating shaft 16, a cross rod 18 is fixedly connected to the top end of the stand column 15, the cross rod 18 is located above the shielding plate 17, a tension spring 19 is fixedly mounted between one end, far away from the stand column 15, of the cross rod 18 and the top end of the shielding plate 17, the shielding plate 17 is arranged in an inclined mode and can shield rain and snow, and when rain falls, rain falls to the ground along an inclined plane after falling onto the shielding plate 17, snow is accumulated on the shielding plate 17 when snow falls, and after snow is accumulated to a certain amount, the weight of snow exceeds the tension force of the tension spring 19, the shielding plate 17 rotates around the rotating shaft 16, the lower end of the shielding plate 17 inclines downwards, snow is detached, the weight of the shielding plate 17 is lightened, the tension spring 19 pulls the shielding plate 17 back again, and too much accumulated snow is prevented.

Further optimize the scheme, fixed mounting has a plurality of inserted blocks 20 on the screen panel 6, and inserted block 20 is the block rubber, has certain elasticity, and the atress can produce deformation, is convenient for pass in and out slot 21, and slot 21 has been seted up to dry box 7 bottom, and inserted block 20 and slot 21 looks adaptation, during the dry box 7 of installation, insert slot 21 with inserted block 20 can, when needing to dismantle dry box 7, with 7 power of dry box upwards pull, make inserted block 20 break away from slot 21 can, the installation is dismantled conveniently.

Further optimizing the scheme, set up a plurality of air vents 23 on the drying box 7 lateral wall, conveniently adsorb external moisture, placed the drier in the drying box 7.

Further optimization scheme, screen panel 6 lateral wall cladding has rubber layer 22, and rubber layer 22 is located between screen panel 6, the 1 lateral wall of mechanism case, seals the gap between screen panel 6 and the 1 inner wall of mechanism case, avoids the insect to get into mechanism case 1 from the gap between screen panel 6 and the 1 inner wall of mechanism case.

Further optimization scheme, cross bar 18 top fixed mounting has branch 24, and branch 24 top is rotated through the bearing and is installed and drive bird oar 25, drives bird oar 25 and receives wind-force drive, can take place to rotate, drives birds.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A pole-mounted circuit breaker, comprising: the mechanism comprises a mechanism box (1) and an arc extinguish chamber (2) fixedly mounted at the top end of the mechanism box (1), wherein a heat dissipation assembly is fixedly mounted at the bottom end of the mechanism box (1), a support frame (8) is fixedly mounted at the bottom end of the mechanism box (1), the support frame (8) is fixedly connected with a telegraph pole (3) fixedly mounted on the ground, and a shielding assembly is fixedly mounted on the support frame (8);

the heat dissipation assembly comprises a bottom plate (4) and a mesh enclosure (6) which are sequentially arranged at intervals from top to bottom at the bottom end of the mechanism box (1), the bottom plate (4) is fixedly connected with the bottom end of the mechanism box (1), a plurality of heat dissipation ports (5) are formed in the bottom plate (4), the mesh enclosure (6) is detachably connected with the bottom end of the mechanism box (1), a plurality of drying boxes (7) are arranged between the mesh enclosure (6) and the bottom plate (4), and the drying boxes (7) are installed on the mesh enclosure (6) and are arranged in a staggered mode with the heat dissipation ports (5).

2. The pole mounted circuit breaker of claim 1, wherein: mesh enclosure (6) one end pass through the hinge with mechanism case (1) bottom lateral wall rotates to be connected, mechanism case (1) is kept away from through-hole (9) have been seted up to the one end lateral wall of hinge, sliding connection has bolt (10) in through-hole (9), bolt (10) fixedly connected with connecting rod (11), through-hole (9) outside end fixed mounting has end cover (12), connecting rod (11) run through end cover (12) fixedly connected with pull ring (13), connecting rod (11) outside cover is equipped with spring (14), spring (14) are located bolt (10) with between end cover (12), bolt (10) are located mesh enclosure (6) below.

3. The pole mounted circuit breaker of claim 1, wherein: shelter from the subassembly including fixed mounting in stand (15) on support frame (8), it is connected with pivot (16) to rotate on stand (15), pivot (16) fixedly connected with shielding plate (17), stand (15) top fixedly connected with horizontal pole (18), horizontal pole (18) are located shielding plate (17) top, horizontal pole (18) are kept away from the one end of stand (15) with fixed mounting has extension spring (19) between shielding plate (17) top.

4. The pole top circuit breaker of claim 1, wherein: a plurality of inserting blocks (20) are fixedly mounted on the mesh enclosure (6), a slot (21) is formed in the bottom of the drying box (7), and the inserting blocks (20) are matched with the slot (21).

5. The pole mounted circuit breaker of claim 1, wherein: a plurality of vent holes (23) are formed in the side wall of the drying box (7), and a drying agent is placed in the drying box (7).

6. The pole mounted circuit breaker of claim 2, wherein: the side wall of the net cover (6) is coated with a rubber layer (22), and the rubber layer (22) is located between the side wall of the net cover (6) and the side wall of the mechanism box (1).

7. The pole mounted circuit breaker of claim 3, wherein: horizontal pole (18) top fixed mounting has branch (24), branch (24) top is rotated through the bearing and is installed and drive bird oar (25).