Sealed corrosion-resistant pole-mounted circuit breaker

By introducing protective boxes, heat dissipation plates, and heat dissipation pipes into pole-mounted circuit breakers, the problem of easy corrosion of pole-mounted circuit breakers is solved, achieving the effects of protection and heat dissipation, and improving the reliability and service life of the equipment.

CN223638307UActive Publication Date: 2025-12-05七星电气股份有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423243675.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Pole-mounted circuit breakers are susceptible to corrosion in the external environment, which affects their service life and reliability.

Method used

A sealed structure including a protective box, a heat sink and heat pipes, protective components and a linkage system is designed. The protective box seals off external impurities, the heat sink and heat pipes dissipate heat, and the linkage plate and protruding rod realize the opening and closing operation, thus enhancing the protection and heat dissipation functions.

Benefits of technology

It effectively prevents corrosion, improves the protection function and heat dissipation performance of pole-mounted circuit breakers, extends service life, and ensures the reliability of opening and closing operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223638307U_ABST
    Figure CN223638307U_ABST
Patent Text Reader

Abstract

The utility model discloses a sealed corrosion-resistant pole-mounted circuit breaker, and specifically relates to the pole-mounted circuit breaker technology field, the pole-mounted circuit breaker comprises a pedestal, a protection box and a mechanism box, the top end of the pedestal is provided with the protection box, the protection box is internally provided with the mechanism box, the front end of the mechanism box is provided with an opening and closing rod, and the opening and closing rod is provided with a sealing cover. And wiring terminals are installed on the two sides of the mechanism box correspondingly, and a protection assembly is arranged at the top end of the protection box. The protection box and the cover plate are arranged, the mechanism box is installed in the protection box for use, the wiring terminals on the two sides are connected with the outside along the wire grooves, the plug board on the bottom side of the cover plate is inserted along the slots, the arc-shaped grooves matched with the wire grooves are reserved in the bottom side of the plug board, and the plug board is inserted into the inner sides of the slots. The cover plate can be installed on the top of the protection box for use, the cover plate is matched with the protection box, the mechanism box can be protected, and the protection function of the pole-mounted circuit breaker in use is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pole-mounted circuit breaker, concretely is a sealed anticorrosive pole-mounted circuit breaker. BACKGROUND

[0002] The pole-mounted circuit breaker is installed and operated on the electric pole, and is usually provided with the function of automatically cutting off the current, and can rapidly react under the fault condition, and the structure comprises an arc extinguishing device, which can safely disconnect the circuit when the current passes through, and avoids the arc from damaging the equipment or causing the fire, and the pole-mounted circuit breaker is suitable for the part of the power system which needs the high-level protection and the control flexibility, especially in the occasion which needs the remote electric operation, and is widely applied to the medium-voltage and high-voltage distribution system, and can handle the larger current and the serious fault.

[0003] The pole-mounted circuit breaker is installed on the electric pole for use, is exposed to the outside, and contacts the air, rainwater and sundries of the outside world, the sundries are attached, and the surface of the pole-mounted circuit breaker is easily corroded, and the use of the pole-mounted circuit breaker is easily affected after a long time.

[0004] Therefore, the sealed anticorrosive pole-mounted circuit breaker needs to be provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a sealed anticorrosive pole-mounted circuit breaker to solve the problem of poor protection function of the pole-mounted circuit breaker in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a sealed anticorrosive pole-mounted circuit breaker, including base, protection box and mechanism box, the top of base is installed with protection box, the inside of protection box is provided with mechanism box, the front of mechanism box is provided with open-close rod, the both sides of mechanism box are installed with wiring terminal, the top of protection box is provided with protection assembly, the protection assembly includes wire slot, plug groove, plugboard, cover plate, drying box, drying ball, through groove, fixed hole and fixed bolt, the both sides of the top of protection box are provided with wire slot, the both ends of protection box are provided with plug groove, the inside of plug groove is provided with plugboard, the top of plugboard is installed with cover plate, the bottom of cover plate is installed with drying box, the inside of drying box is provided with drying ball, the bottom of drying box is provided with through groove, the top of the both sides of protection box is provided with fixed hole, the inside of fixed hole is provided with fixed bolt.

[0007] As a further technical scheme of the utility model, the bottom of the inside of the protection box is installed with a heat dissipation plate, the inside of the heat dissipation plate is provided with a positioning groove, and the inside of the positioning groove is installed with a heat dissipation pipe.

[0008] As a further technical scheme of the utility model, the heat dissipation plate is installed at the bottom end inside the protection box.

[0009] As a further technical scheme of the utility model, the bottom end of the protection box is installed with a side box, and the left side of the side box is installed with a side cover.

[0010] As a further technical scheme of the utility model, the heat dissipation pipe extends to the inside of the side box at both sides, and the heat dissipation pipe is fixed with a flange plate at both sides.

[0011] As a further technical scheme of the utility model, the through groove is provided with a plurality of through grooves at the bottom end of the drying box, and the through grooves are distributed at equal intervals.

[0012] As a further technical scheme of the utility model, the fixing hole is provided with a plurality of fixing holes at the top end of the two sides of the protection box, and the fixing holes are symmetrically distributed.

[0013] As a further technical scheme of the utility model, the front end inside the protection box is installed with a mounting bracket, the inside of the mounting bracket is installed with a motor, the rear end of the motor extends to the outside of the mounting bracket, the rear end of the motor is installed with a linkage plate, the two sides of the rear end of the linkage plate are installed with a convex rod, the surface of the front end of the opening and closing rod is provided with a butt joint hole, and the rear end of the convex rod extends to the inside of the butt joint hole.

[0014] Compared with the prior art, the utility model has the advantages that the protection box and the cover plate are arranged, the mechanism box is installed in the protection box for use, the wiring terminals on the two sides are connected with the outside along the wire slot, the plug-in board on the bottom side of the cover plate is inserted along the plug-in slot, the plug-in board is provided with an arc-shaped slot matched with the wire slot on the bottom side, the cover plate can be installed on the top of the protection box for use after the plug-in board is inserted into the inside of the plug-in slot, the cover plate is matched with the protection box, the mechanism box can be protected, and the protection function during use of the pole-mounted circuit breaker is enhanced.

[0015] The heat dissipation plate and the heat dissipation pipe are arranged, a plurality of groups of heat dissipation plates are located at the bottom of the protection box, a plurality of groups of heat dissipation pipes are inserted inside, low-temperature medium is introduced into the outside circulation equipment during use, the low-temperature medium flows along the heat dissipation pipe, heat exchange with the air inside the protection box is realized under the assistance of the heat dissipation plate during the flowing of the low-temperature medium, the temperature inside the protection box is lowered, and the heat dissipation function during use of the pole-mounted circuit breaker is realized.

[0016] The linkage plate and the convex rod are arranged, the two groups of convex rods on the linkage plate extend into the butt joint hole on the surface of the opening and closing rod, and are used for assisting the connection operation of the linkage plate and the opening and closing rod, the linkage plate can drive the opening and closing rod to rotate under the assistance of the convex rod during the rotation of the linkage plate driven by the motor, the opening and closing operation is realized, and the control function of the opening and closing operation of the pole-mounted circuit breaker is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view sectional structure schematic view of the utility model;

[0018] Figure 2 It is the side view structure schematic view of the utility model;

[0019] Figure 3 It is the side view sectional structure schematic view of the utility model;

[0020] Figure 4 It is the Figure 1 It is the local amplification structure schematic view of A place in the utility model;

[0021] Figure 5 It is the installation frame front view sectional structure schematic view of the utility model.

[0022] In the drawing: 1, base; 2, protection box; 3, heat dissipation plate; 4, positioning groove; 5, heat dissipation pipe; 6, flange; 7, side box; 8, side cover; 9, mechanism box; 10, opening and closing rod; 11, wiring terminal; 12, wire slot; 13, insertion slot; 14, plugboard; 15, cover plate; 16, drying box; 17, drying ball; 18, through slot; 19, fixing hole; 20, fixing bolt; 21, mounting frame; 22, motor; 23, linkage plate; 24, protruding rod; 25, butt joint hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a sealed anticorrosion pole circuit breaker, including base 1, protection box 2 and mechanism box 9, the top of base 1 is installed with protection box 2, the bottom of protection box 2 inside is installed with heat dissipation plate 3, heat dissipation plate 3 is installed with several in the bottom of protection box 2 inside, several heat dissipation plates 3 are in parallel distribution, the inside of heat dissipation plate 3 is provided with positioning groove 4, the inside of positioning groove 4 is installed with heat dissipation pipe 5, the bottom of both sides of protection box 2 is installed with side box 7, the left side of side box 7 is installed with side cover 8, heat dissipation pipe 5 both sides extend to the inside of side box 7, and heat dissipation pipe 5 both sides are fixed with flange 6;

[0025] Specifically, as Figure 1 And Figure 3As shown, in use, the flanges 6 on both sides of the heat dissipation pipe 5 are connected to the circulating device to circulate low-temperature medium into the heat dissipation pipe 5, and then, with the assistance of the heat dissipation plate 3, the low-temperature medium exchanges heat with the air in the protective box 2, thereby assisting in reducing the temperature in the protective box 2 and assisting in heat dissipation.

[0026] The inside of the protective box 2 is provided with a mechanism box 9, the front end of the mechanism box 9 is provided with an opening and closing rod 10, both sides of the mechanism box 9 are provided with a terminal 11, the top end of the protective box 2 is provided with a protection assembly, the protection assembly includes a wire slot 12, a plug slot 13, a plug plate 14, a cover plate 15, a drying box 16, a drying ball 17, a through slot 18, a fixing hole 19 and a fixing bolt 20, both sides of the top end of the protective box 2 are provided with a wire slot 12, both ends of the protective box 2 are provided with a plug slot 13, the inside of the plug slot 13 is provided with a plug plate 14, the top end of the plug plate 14 is provided with a cover plate 15, the bottom end of the cover plate 15 is provided with a drying box 16, the inside of the drying box 16 is provided with a drying ball 17, the bottom end of the drying box 16 is provided with a through slot 18, the through slot 18 is provided with a plurality of through slots 18 at the bottom end of the drying box 16, the plurality of through slots 18 are distributed at equal intervals, the top end of both sides of the protective box 2 is provided with a fixing hole 19, the fixing hole 19 is provided with a plurality of fixing holes 19 at the top end of both sides of the protective box 2, the plurality of fixing holes 19 are symmetrically distributed, and the inside of the fixing hole 19 is provided with a fixing bolt 20.

[0027] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , in use, the wire slot 12 on both sides of the top end of the protective box 2 is used to put the terminal 11, and the plug slot 13 is used to insert the plug plate 14 at the bottom side of the cover plate 15, after the plug plate 14 enters the inside of the plug slot 13 and the cover plate 15 is installed on the top of the protective box 2, the fixing bolts 20 on both sides of the protective box 2 can be tightened to fix the position of the cover plate 15, and the inside of the protective box 2 and the cover plate 15 can be protected, the drying balls 17 are placed in the drying box 16 at the bottom of the cover plate 15, and when the air in the protective box 2 contacts the drying balls 17 along the through slot 18, the drying balls 17 can assist in dehumidifying and drying the air.

[0028] The front end of the inside of the protective box 2 is provided with a mounting frame 21, the inside of the mounting frame 21 is provided with a motor 22, the rear end of the motor 22 extends to the outside of the mounting frame 21, the rear end of the motor 22 is provided with a linkage plate 23, both sides of the rear end of the linkage plate 23 are provided with a protruding rod 24, the surface of the front end of the opening and closing rod 10 is provided with a butt joint hole 25, and the rear end of the protruding rod 24 extends to the inside of the butt joint hole 25.

[0029] Specifically, as shown in Figure 1 , Figure 3 and Figure 5As shown, in use, the motor 22 inside the mounting frame 21 is started, the connecting plate 23 is driven to rotate, the convex rod 24 on the surface of the connecting plate 23 is inserted into the butt joint hole 25 on the surface of the opening and closing rod 10, the connection between them is completed, and when the motor 22 drives the connecting plate 23 to rotate, the butt joint hole 25 can be driven to rotate under the assistance of the convex rod 24, and the opening and closing operation is performed.

[0030] Working principle: in use, the mechanism box 9 is placed in the protection box 2, the terminal 11 extends to the outside along the wire slot 12, and is connected and used, the plug-in plate 14 at the bottom of the cover plate 15 is inserted into the plug-in slot 13 at the top of the protection box 2, covers the opening at the top of the protection box 2, cooperates with the protection box 2, and protects the mechanism box 9 inside, the inside of the dry box 16 at the bottom of the cover plate 15 is provided with a dry ball 17, the air in the protection box 2 contacts the dry ball 17 along the through slot 18, which can assist in dehumidifying and drying the air in the protection box 2, and a plurality of groups of heat dissipation pipes 5 are inserted into the protection box 2 and contact a plurality of groups of heat dissipation plates 3 in the protection box 2, the heat dissipation pipes 5 are connected with the circulating equipment, low-temperature medium can be introduced into the heat dissipation pipes 5, and when the low-temperature medium flows along the heat dissipation pipes 5, heat exchange treatment can be performed between the low-temperature medium and the air in the protection box 2 under the assistance of the heat dissipation plates 3, so as to assist in reducing the temperature in the protection box 2, the connecting plate 23 in the protection box 2 is connected with the opening and closing rod 10 under the assistance of the convex rod 24, when the motor 22 is started and drives the connecting plate 23 to rotate, the rotating connecting plate 23 can drive the opening and closing rod 10 to rotate synchronously under the assistance of the convex rod 24, and the opening and closing operation of the opening and closing rod 10 is performed.

[0031] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A sealed corrosion-resistant pole-mounted circuit breaker comprising a base (1), a protection box (2) and a mechanism box (9), characterized in that: The top end of the base (1) is provided with a protection box (2), the inside of the protection box (2) is provided with a mechanism box (9), the front end of the mechanism box (9) is provided with an opening and closing rod (10), both sides of the mechanism box (9) are provided with a terminal (11), and the top end of the protection box (2) is provided with a protection assembly. The protection assembly comprises a wire slot (12), a plug slot (13), a plug plate (14), a cover plate (15), a drying box (16), a drying ball (17), a through slot (18), a fixing hole (19) and a fixing bolt (20), both sides of the top end of the protection box (2) are provided with the wire slot (12), both ends of the protection box (2) are provided with the plug slot (13), the inside of the plug slot (13) is provided with the plug plate (14), the top end of the plug plate (14) is provided with the cover plate (15), the bottom end of the cover plate (15) is provided with the drying box (16), the inside of the drying box (16) is provided with the drying ball (17), the bottom end of the drying box (16) is provided with the through slot (18), the top end of both sides of the protection box (2) is provided with the fixing hole (19), and the inside of the fixing hole (19) is provided with the fixing bolt (20).

2. The sealed corrosion-resistant pole-mounted circuit breaker of claim 1, wherein: The bottom end of the inside of the protection box (2) is provided with a heat dissipation plate (3), the inside of the heat dissipation plate (3) is provided with a positioning groove (4), and the inner side of the positioning groove (4) is provided with a heat dissipation pipe (5).

3. The sealed corrosion-resistant pole-mounted circuit breaker of claim 2, wherein: The bottom end of the inside of the protection box (2) is provided with a plurality of heat dissipation plates (3), and the plurality of heat dissipation plates (3) are distributed in parallel.

4. The sealed corrosion-resistant pole-mounted circuit breaker of claim 2, wherein: The bottom end of both sides of the protection box (2) is provided with a side box (7), and the left side of the side box (7) is provided with a side cover (8).

5. The sealed corrosion-resistant pole-mounted circuit breaker of claim 4, wherein: The two sides of the heat dissipation pipe (5) extend to the inside of the side box (7), and the two sides of the heat dissipation pipe (5) are fixedly provided with a flange plate (6).

6. The sealed corrosion-resistant pole-mounted circuit breaker of claim 1, wherein: The bottom end of the drying box (16) is provided with a plurality of through slots (18), and the plurality of through slots (18) are distributed at equal intervals.

7. The sealed corrosion-resistant pole-mounted circuit breaker of claim 1, wherein: The top end of both sides of the protection box (2) is provided with a plurality of fixing holes (19), and the plurality of fixing holes (19) are distributed in a symmetrical manner.

8. The sealed corrosion-resistant pole-mounted circuit breaker of claim 1, wherein: The front end of the inside of the protection box (2) is provided with a mounting frame (21), the inside of the mounting frame (21) is provided with a motor (22), the rear end of the motor (22) extends to the outside of the mounting frame (21), the rear end of the motor (22) is provided with a linkage plate (23), the rear end of the linkage plate (23) is provided with a convex rod (24) on both sides, the surface of the front end of the opening and closing rod (10) is provided with a butt joint hole (25), and the rear end of the convex rod (24) extends to the inside of the butt joint hole (25).