Intelligent primary and secondary fusion complete column-mounted circuit breaker

By combining the structure of the locking block with the through slot, the locking slot, the universal ball and the moving slot, the problem of complex installation and inconvenient disassembly of the existing circuit breaker is solved, and the circuit breaker can be quickly installed and flexibly adjusted on the bracket, thus improving construction efficiency and stability.

CN120954920APending Publication Date: 2025-11-14HEBEI TIANAN ELECTRIC GRP CO LTD
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Patent Information

Application Number
CN202511328191.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

When the existing primary and secondary integrated pole-mounted circuit breakers are fixed on the bracket, the installation operation is complicated, time-consuming, and inconvenient to disassemble and replace, which affects construction efficiency and power operation and maintenance costs.

Method used

The circuit breaker is designed to be quick to install, remove, and flexibly adjusted on the bracket by using a combination of a locking block and a through slot, a sliding structure of a universal ball and a moving slot, a lateral sliding fit between the support block and the sliding slot, and an adjustment design of the locking hole and the socket.

Benefits of technology

It improves the installation efficiency of high-altitude operations, simplifies the operation process, enhances the adaptability and flexibility of the structure, reduces the problems of irreversible welding and thread wear, and optimizes the center of gravity and overall stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of power grid equipment, in particular to an intelligent primary and secondary fusion complete column-mounted circuit breaker which comprises a circuit breaker body and a support structure, the circuit breaker body comprises a shell, installation matching assemblies are arranged on the two sides of the shell and used for being connected and installed with the support structure, and the support structure is arranged on an electric pole. The support structure comprises oppositely-arranged transverse plates, a plurality of through grooves are evenly formed in the upper end faces of the transverse plates at intervals, clamping grooves intersecting with the corresponding through grooves are formed in the lower end faces of the transverse plates, the installation matching assembly comprises an installation block arranged on the shell, an installation cavity is formed in the installation block, and a telescopic and rotatable round rod is arranged in the installation cavity. The bottom end of the round rod penetrates through the mounting block and extends out, and a clamping block matched with the clamping groove is arranged at the bottom end of the round rod. Through cooperation of the clamping blocks, the through grooves and the clamping grooves, bolt tools or welding operation is not needed in the installation process of the circuit breaker body on the support structure, and the installation efficiency during high-altitude operation is greatly improved.
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Description

Technical Field

[0001] This invention relates to the field of power grid equipment technology, and more specifically, to an intelligent integrated primary and secondary pole-mounted circuit breaker. Background Technology

[0002] Pole-mounted circuit breakers are key equipment in power distribution systems used to control circuit switching and protect the safe operation of lines. They are widely used in overhead line systems with voltage levels of 10kV and above. In recent years, with the development of smart grids, traditional pole-mounted circuit breakers have been gradually upgraded to integrated primary and secondary intelligent circuit breakers. These devices integrate primary high-voltage switches, sensor components, and secondary intelligent control modules into one unit. They not only have basic opening and closing functions but also realize multiple intelligent functions such as telemetry, remote signaling, remote control, and fault location. They are one of the core devices of modern smart distribution networks.

[0003] To ensure the safe and stable operation of this type of circuit breaker in outdoor environments, it is typically installed and fixed on a crossarm or dedicated bracket on a utility pole. The bracket, as the connecting load-bearing structure between the circuit breaker and the pole, directly affects the operational safety, ease of construction, and maintenance efficiency of the circuit breaker. However, existing primary and secondary integrated pole-mounted circuit breakers are usually fixed to brackets using bolts or welding, which is complex and time-consuming in high-altitude environments, impacting on-site construction efficiency. Once assembled, traditional installation structures are extremely inconvenient for disassembly and replacement, hindering later maintenance, replacement, and upgrades, and increasing power operation and maintenance costs. Therefore, improvements are needed. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent integrated primary and secondary pole-mounted circuit breaker to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A smart primary and secondary integrated pole-mounted circuit breaker includes a circuit breaker body and a support structure. The circuit breaker body includes a housing, with mounting and mating components on both sides for connection and installation with the support structure. The support structure is mounted on a pole and includes opposing horizontal plates. Connecting plates are located at both ends of the horizontal plates. The upper surface of the horizontal plates has multiple evenly spaced through slots, and the lower surface of the horizontal plates has slots intersecting the corresponding through slots. The mounting and mating components include a mounting block on the housing, with a mounting cavity inside the mounting block. A retractable and rotatable round rod is located inside the mounting cavity, with the bottom end of the round rod extending through the mounting block and having a locking block at the bottom end that mates with the slot.

[0006] Furthermore, the round rod is provided with a stop block located in the mounting cavity, the opening end of the mounting cavity is provided with a stop cap, a spring sleeved on the round rod is provided between the bottom wall of the mounting cavity and the stop block, the top end of the round rod extends through the stop cap, and the top end of the round rod is provided with a rotating block.

[0007] Furthermore, a moving groove is provided on the horizontal plate, and a connecting cylinder is provided at the four corners of the lower end face of the outer shell. A threaded rod is provided inside the connecting cylinder, and a universal ball is provided at the bottom end of the rod.

[0008] Furthermore, an abutment plate extends from one side of the lower end face of the horizontal plate, and the support structure also includes a support block on the abutment plate, with a sliding groove on the support block for the abutment plate to extend into.

[0009] Furthermore, the abutment plate is provided with a plurality of locking holes at even intervals, the support block is provided with insertion holes that mate with the locking holes, a bolt is provided between the insertion hole and the corresponding locking hole, and a first nut is provided on the bolt.

[0010] Furthermore, the lower end face of the support block is provided with opposite plates, a rotating rod is provided between the plates, a connecting block is provided on the rotating rod, a support column is provided on the connecting block, a circular cavity is provided inside the support column, and a telescopic rod is provided inside the circular cavity.

[0011] Furthermore, the support column is provided with a collar through which the telescopic rod passes, and multiple elastic clips are evenly spaced along the circumference on the collar. The support column is provided with a compression ring for tightening or loosening the elastic clips.

[0012] Furthermore, a support plate is provided between the ends of the telescopic rod extending from the cavity, the support plate has upper and lower arc-shaped grooves, the connecting plate located on one side of the support plate has an upper arc-shaped groove, and a retaining ring is provided outside the support plate and the connecting plate located on one side of the support plate, with insert rods at both ends of the retaining ring.

[0013] Furthermore, the support plate and the connecting plate located on one side of the support plate are evenly spaced with multiple holes for the insertion rod to pass through, and the insertion rod is provided with a threaded second nut.

[0014] Furthermore, lifting rings are respectively provided on both sides of the upper surface of the outer shell.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, through the cooperation of the locking block and the through slot / slot, eliminates the need for bolting tools or welding during the installation of the circuit breaker body on the support structure, greatly improving installation efficiency during high-altitude operations and making operation simpler and faster. Simultaneously, this structure offers excellent disassembly convenience and reusability, avoiding problems such as irreversible welding and thread wear. The through slot and slot are arranged at multiple points, allowing the circuit breaker body to be flexibly installed in different positions according to actual needs, enhancing the adaptability of the structure and the flexibility of on-site operation.

[0016] 2. In this invention, connecting cylinders are fixedly installed at the four corners of the lower end of the circuit breaker body's outer casing. Rods are threaded into the connecting cylinders, and universal balls are fixedly installed at the bottom ends of the rods. The universal balls cooperate with the sliding grooves to form a sliding fit structure, allowing the circuit breaker body to slide smoothly within the support structure. This facilitates position adjustment of the circuit breaker body on the support structure, further enhancing installation convenience and adjustment flexibility.

[0017] 3. In this invention, the support structure also includes a support block located below the abutment plate. The support block has a sliding groove inside, and the abutment plate is inserted into the sliding groove to achieve lateral sliding cooperation, which is beneficial for fine adjustment of the support's center of gravity and load-bearing optimization.

[0018] 4. In this invention, to achieve multi-level adjustment of the support block position, the abutment plate is provided with multiple locking holes at even intervals, and the support block is provided with corresponding insertion holes. Bolts are inserted between the insertion holes and the corresponding locking holes, and are fastened and fixed by a first nut. By changing the corresponding position of the insertion holes and locking holes, the position of the support block can be adjusted, thereby optimizing the center of gravity and improving the overall stability of the structure. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of an intelligent primary and secondary integrated pole-mounted circuit breaker according to the present invention.

[0020] Figure 2 This is a schematic diagram of the structure of the circuit breaker body and its various components in the housing of the present invention.

[0021] Figure 3 This is a schematic diagram of part of the support structure in this invention.

[0022] Figure 4 This is a schematic diagram of the bottom view of part of the support structure in this invention.

[0023] Figure 5 This is a schematic diagram of the internal components of the mounting block in this invention.

[0024] Figure 6 This is a schematic diagram of the oblique support structure in this invention.

[0025] The meanings of the labels in the diagram are as follows: 100, Circuit breaker body; 101, Outer casing; 102, Horizontal plate; 103, Connecting plate; 104, Through slot; 105, Slot; 106, Mounting block; 107, Round rod; 108, Locking block; 109, Abutment block; 110, Stop cap; 111, Spring; 112, Rotating block; 200, Moving slot; 201, Connecting cylinder; 202, Universal ball joint; 300, Abutment plate; 301, Support block; 302. Sliding groove; 303. Locking hole; 304. Bolt; 305. First nut; 400. Plate; 401. Connecting block; 402. Support column; 403. Telescopic rod; 404. Collar; 405. Elastic clamp; 406. Compression ring; 500. Support plate; 501. Lower arc groove; 502. Upper arc groove; 503. Snap ring; 504. Insert rod; 505. Hole; 506. Second nut; 600. Lifting ring. Detailed Implementation

[0026] To further understand the content of this invention, a detailed description of the invention will be provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the invention.

[0027] The following is in conjunction with the appendix Figures 1-6 This embodiment will be described in further detail.

[0028] Please see Figures 1-6 This embodiment of an intelligent primary and secondary integrated pole-mounted circuit breaker includes a circuit breaker body 100 and a bracket structure for mounting and fixing the circuit breaker body 100. The bracket structure is set on the pole and can realize convenient connection and efficient deployment of the circuit breaker and the power system while ensuring the safe and stable installation of the circuit breaker body 100.

[0029] In this embodiment, the circuit breaker body 100 includes a housing 101. Installation and mating components are symmetrically arranged on both sides of the housing 101. These components are used to connect and install with a support structure, thereby achieving a stable fixation of the circuit breaker body 100. Specifically, the installation and mating components include a mounting block 106, which is fixed to the outer surface of the housing 101. The mounting block 106 has an internal mounting cavity, within which a retractable and rotatable round rod 107 is installed. The bottom end of the round rod 107 extends through the mounting block 106, and a locking block 108 is fixedly installed at its bottom end. The locking block 108 engages with a slot 105 on the support structure, thereby achieving rapid clamping and fixation of the circuit breaker body 100 on the support structure.

[0030] In this embodiment, the support structure includes a frame structure, which is composed of opposing horizontal plates 102 and connecting plates 103 forming a frame. The horizontal plates 102 are connected by connecting plates 103 located at both ends. Multiple through slots 104 are evenly spaced along the length of the upper surface of the horizontal plates 102, and slots 105 intersecting the through slots 104 are formed at the lower surface of the horizontal plates 102. During circuit breaker installation, the locking block 108 on the round rod 107 is first aligned with the selected through slot 104. By manually pressing the round rod 107, the locking block 108 at its bottom end is completely passed through the through slot 104. Then, by rotating the round rod 107, the locking block 108 is rotated until it is fully aligned with the slot 105. The locking block 108 then engages with the slot 105, thereby achieving the snap-fit ​​fixation of the circuit breaker body 100 on the support structure.

[0031] In this embodiment, compared to traditional installation structures using bolted connections or welding, the cooperation of the locking block 108 with the through slots 104 and 105 eliminates the need for bolting tools or welding during the installation of the circuit breaker body 100 on the support structure. This significantly improves installation efficiency during high-altitude operations and makes the process simpler and faster. Simultaneously, this structure offers excellent disassembly convenience and reusability, avoiding problems such as irreversible welding and thread wear. The through slots 104 and 105 are arranged at multiple points, allowing the circuit breaker body 100 to flexibly select different installation positions according to actual needs, enhancing the adaptability of the structure and the flexibility of on-site operation.

[0032] In this embodiment, an intelligent control module and an integrated sensing and monitoring component are also provided inside the circuit breaker body 100, including a voltage detection unit, a current transformer, a temperature sensor, and a wireless communication module, which are used to monitor and remotely transmit the status parameters of the circuit breaker during operation.

[0033] Please see Figures 1-6In this embodiment, a stop block 109 is fixedly provided on the round rod 107 and located in the mounting cavity. The opening end of the mounting cavity is provided with a threaded stop cap 110, which facilitates the removal of the stop cap 110 for the installation of various components. A spring 111 is provided between the bottom wall of the mounting cavity and the stop block 109 and is sleeved on the round rod 107. The spring 111 is used to push the stop block 109 to move upward. The top end of the round rod 107 extends through the stop cap 110 and a rotating block 112 is fixedly provided at the top end of the round rod 107. When the circuit breaker body 100 is being installed, the round rod 107 is moved down by manually pressing the rotating block 112. After the round rod 107 moves down, the locking block 108 completely passes through the through slot 104. Then, the rotating block 112 is rotated to make the round rod 107 rotate. The round rod 107 drives the locking block 108 to rotate. After the locking block 108 rotates to be completely aligned with the slot 105, the elastic force of the spring 111 pushes the stop block 109 to make the round rod 107 spring back, so that the locking block 108 is locked into the slot 105 and locked in the slot 105, thereby fixing the circuit breaker body 100.

[0034] Please see Figures 1-6 In this embodiment, to further enhance the installation flexibility and adjustability of the circuit breaker body 100 on the support structure, a sliding groove 200 is provided on the horizontal plate 102. The sliding groove 200 is used to slide and connect with the bottom structure of the circuit breaker body 100. Connecting cylinders 201 are fixedly provided at the four corners of the lower end of the outer shell 101 of the circuit breaker body 100. Rods are internally threaded onto the connecting cylinders 201, and universal balls 202 are fixedly provided at the bottom ends of the rods. The universal balls 202 and the sliding groove 200 cooperate to form a sliding engagement structure, allowing the circuit breaker body 100 to slide smoothly within the support structure. This facilitates the adjustment of the position of the circuit breaker body 100 on the support structure, further enhancing installation convenience and adjustment flexibility.

[0035] Please see Figures 1-6 In this embodiment, an abutment plate 300 extends from the lower end face of the horizontal plate 102, which is used to enhance the stability of the support. The support structure also includes a support block 301 located below the abutment plate 300. The support block 301 has a sliding groove 302 inside, and the abutment plate 300 is inserted into the sliding groove 302 to achieve lateral sliding cooperation, which is beneficial for fine adjustment of the center of gravity of the support and optimization of load-bearing capacity.

[0036] In this embodiment, to achieve multi-level adjustment of the position of the support block 301, the abutment plate 300 is provided with a plurality of locking holes 303 evenly spaced, and the support block 301 is provided with corresponding insertion holes. Bolts 304 are inserted between the insertion holes and the corresponding locking holes 303, and are fastened and fixed by the first nut 305. By changing the corresponding position of the insertion holes and the locking holes 303, the position of the support block 301 can be adjusted, thereby optimizing the center of gravity and improving the overall stability of the structure.

[0037] Please see Figures 1-6 In this embodiment, to further enhance the support capacity of the support structure, plates 400 are symmetrically fixed on the left and right sides of the lower end face of the support block 301. A rotating rod is rotatably mounted between the plates 400, and a connecting block 401 is fixed on the rotating rod. A support column 402 is fixed on the connecting block 401. A circular cavity is formed inside the support column 402, and a telescopic rod 403 is slidably installed inside the cavity. The cooperation between the support column 402 and the telescopic rod 403 can form an oblique support structure. When the position of the support block 301 changes, the length of the telescopic rod 403 can be adjusted to facilitate the connection between the oblique support structure and the utility pole.

[0038] In this embodiment, to facilitate the length adjustment and reliable locking of the telescopic rod 403, a collar 404 for the telescopic rod 403 to pass through is fixedly provided on the support column 402. Multiple elastic clips 405 are evenly spaced along the circumference of the collar 404, and are fixedly connected to the collar 404. A compression ring 406, which controls the tightening or loosening of the elastic clips 405, is threadedly connected to the support column 402. By rotating the compression ring 406 to compress the elastic clips 405, the elastic clips 405 can clamp the telescopic rod 403, thereby precisely controlling its extension stroke, achieving rapid adjustment and locking, and ensuring support stability. When the compression ring 406 compresses the elastic clips 405 to clamp the telescopic rod 403, a portion of the tail end of the compression ring 406 is still threadedly connected to the support column 402.

[0039] Please see Figures 1-6 In this embodiment, a support plate 500 is fixedly installed at the lower end of the telescopic rod 403 extending out of the circular cavity. The support plate 500 is used for close-fitting installation with the utility pole. A lower arc-shaped groove 501 is formed on the support plate 500, and an upper arc-shaped groove 502 is formed on the connecting plate 103 located on the adjacent side of the support plate 500. A detachable retaining ring 503 is provided on the outside of the support plate 500 and the connecting plate 103 located on one side of the support plate 500. Insert rods 504 are fixedly installed at both ends of the retaining ring 503. The upper and lower arc-shaped grooves 501 can fit against the arc surface of the utility pole, and the retaining ring 503 locks the utility pole in a circumferential manner, enhancing the stability of the connection.

[0040] In this embodiment, the insertion rod 504 and the retaining ring 503 constitute a connector for connecting to the utility pole. To adapt to utility poles of different diameters, the support plate 500 and the connecting plate 103 are evenly provided with multiple holes 505 for the insertion rod 504 to pass through. When installed on utility poles of different diameters, different sized connectors are replaced to fit the corresponding holes 505, thereby adapting to installation on different utility poles and improving the versatility and field adaptability of this device. The insertion rod 504 is provided with a threaded second nut 506 for threaded locking, so that the retaining ring 503 can be tightly held onto the utility pole.

[0041] Please see Figures 1-6 In this embodiment, to improve the ease of handling and safety of high-altitude installation of the circuit breaker body 100, lifting rings 600 are symmetrically fixed on both sides of the upper end face of the housing 101. The lifting rings 600 can be used for lifting and handling operations of the circuit breaker, especially when working at heights. They can be used in conjunction with lifting equipment or hooks to reduce the risks of manual handling and improve work efficiency and safety.

[0042] In summary, the above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. A smart integrated primary and secondary pole-mounted circuit breaker, comprising a circuit breaker body (100) and a support structure, characterized in that: The circuit breaker body (100) includes a housing (101). The housing (101) has mounting and fitting components on both sides for connecting and installing with a support structure. The support structure is mounted on a pole and includes a horizontal plate (102) arranged opposite each other. A connecting plate (103) is provided between the horizontal plates (102) at both ends of the horizontal plate (102). The upper end face of the horizontal plate (102) is provided with a plurality of through slots (104) spaced evenly. The lower end face of the horizontal plate (102) is provided with a slot (105) that intersects with the corresponding through slot (104). The mounting and fitting components include a mounting block (106) on the housing (101). The mounting block (106) has a mounting cavity. The mounting cavity has a retractable and rotatable round rod (107). The bottom end of the round rod (107) extends through the mounting block (106) and has a locking block (108) that cooperates with the slot (105).

2. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: A stop block (109) is provided on the round rod (107) and located in the mounting cavity. A stop cap (110) is provided at the opening end of the mounting cavity. A spring (111) is sleeved on the round rod (107) between the bottom wall of the mounting cavity and the stop block (109). The top end of the round rod (107) extends through the stop cap (110) and is provided with a rotating block (112) at the top end of the round rod (107).

3. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: A movable groove (200) is provided on the horizontal plate (102), and a connecting cylinder (201) is provided at the four corners of the lower end face of the outer shell (101). A threaded rod is provided inside the connecting cylinder (201), and a universal ball (202) is provided at the bottom end of the rod.

4. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 3, characterized in that: A connecting plate (300) extends from one side of the lower end face of the horizontal plate (102), and the support structure also includes a support block (301) provided on the connecting plate (300), and a sliding groove (302) is provided on the support block (301) for the connecting plate (300) to extend into.

5. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 4, characterized in that: The abutment plate (300) is provided with a plurality of locking holes (303) evenly spaced apart. The support block (301) is provided with an insertion hole that matches the locking hole (303). A bolt (304) is provided between the insertion hole and the corresponding locking hole (303). A first nut (305) is provided on the bolt (304).

6. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 4, characterized in that: The lower end face of the support block (301) is provided with a plate (400) opposite to it. A rotating rod is provided between the plates (400). A connecting block (401) is provided on the rotating rod. A support column (402) is provided on the connecting block (401). A circular cavity is provided inside the support column (402). A telescopic rod (403) is provided inside the circular cavity.

7. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 6, characterized in that: The support column (402) is provided with a collar (404) through which the telescopic rod (403) passes. Multiple elastic clips (405) are evenly spaced along the circumferential direction on the collar (404). The support column (402) is provided with a compression ring (406) for tightening or loosening the elastic clips (405).

8. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 6, characterized in that: A support plate (500) is provided between the ends of the telescopic rod (403) extending from the cavity. The support plate (500) has a lower arc groove (501). The connecting plate (103) located on one side of the support plate (500) has an upper arc groove (502). A retaining ring (503) is provided outside the support plate (500) and the connecting plate (103) located on one side of the support plate (500). Insert rods (504) are provided at both ends of the retaining ring (503).

9. A smart primary and secondary integrated pole-mounted circuit breaker according to claim 8, characterized in that: The support plate (500) and the connecting plate (103) located on one side of the support plate (500) are provided with a plurality of holes (505) for the insertion rod (504) to pass through evenly spaced, and the insertion rod (504) is provided with a second nut (506) with threaded connection.

10. The intelligent primary and secondary integrated pole-mounted circuit breaker according to claim 1, characterized in that: The upper surface of the outer casing (101) is provided with lifting rings (600) on both sides respectively.

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