Primary and secondary fusion pole-mounted circuit breaker with protection function

The robust connection structure and heat dissipation mechanism of housing one and housing two solve the problem of equipment being easily damaged by external environmental interference, achieving a stable connection and effective heat dissipation, and improving the reliability and lifespan of the equipment.

CN224264019UActive Publication Date: 2026-05-19ZHEJIANG HESI ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG HESI ELECTRIC CO LTD
Filing Date
2025-07-11
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing primary and secondary integrated pole-mounted circuit breakers are easily damaged by external environmental interference, increasing the probability of equipment failure.

Method used

The device employs a robust connection structure consisting of two housings, combined with a heat dissipation mechanism and a protective mechanism, including threaded connections, limit rods, a fan, and a filament board, to achieve a stable connection and effective heat dissipation.

Benefits of technology

It improves the stability and heat dissipation of the equipment, protects the internal equipment, reduces the probability of equipment damage, and enhances the reliability and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit breakers, and discloses a primary and secondary fusion pole-mounted circuit breaker with a protection function, which comprises a shell I and a shell II, the top of the shell I is provided with a connecting mechanism, and the connecting mechanism is used for stably connecting the shell I and the shell II. A heat dissipation mechanism is installed at the top of the inner side of the second shell, the connecting mechanism comprises two fixing plates, the fixing plates are arranged at the tops of the first shell and the second shell, the front side and the rear side of the top of each fixing plate are in threaded connection with first screws, a hollow pipe is fixedly connected to the top of the fixing plate on the left side, and the top of the fixing plate on the right side is in threaded connection with second screws. The top of the fixing plate on the right side is fixedly connected with a connecting plate, and a plurality of threaded grooves are formed in the middle of the hollow pipe and the middle of the connecting plate at equal intervals. In the utility model, when the shell I and the shell II are connected, the plate is fixed on the shell by using the screw I, and the connecting plate is pushed to slide in the hollow pipe to adjust the position after the position is determined.
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Description

Technical Field

[0001] This utility model relates to the field of circuit breaker technology, and in particular to a primary and secondary integrated pole-mounted circuit breaker with protective function. Background Technology

[0002] The integrated primary and secondary pole-mounted circuit breaker is an intelligent power distribution device that deeply integrates primary and secondary equipment. It achieves information interaction through standardized interfaces. It not only has the opening and closing functions of traditional pole-mounted circuit breakers, but also can monitor line current, voltage and fault information in real time, quickly isolate fault sections, and accurately locate fault points. It greatly improves the automation level and power supply reliability of the distribution network, effectively reduces operation and maintenance costs, plays a key role in the construction of smart grids, and promotes the development of distribution networks towards intelligence and efficiency.

[0003] A search revealed Chinese Patent Publication No. CN218849387U, which discloses a primary and secondary deep-integrated pole-mounted circuit breaker, comprising a main body and a base. The main body is placed on the base, and mounting grooves are formed by the inward indentation of the four corners of the base's bottom wall. Each of the four mounting grooves contains a receiving column, and each receiving column has a caster wheel installed at its bottom. Two movable holes are formed on each of the opposite side walls of the main body, resulting in a total of four movable holes. The four movable holes communicate with the four mounting grooves, and each movable hole contains a second spring and a rebound block. The two ends of the second spring are fixedly connected to the inner wall of the movable hole and the side wall of the rebound block, respectively. The side wall of the receiving column facing the movable hole has a lower side groove and an upper side groove. This primary and secondary deep-integrated pole-mounted circuit breaker allows the main body to move easily with the rolling of the four casters, eliminating the hassle of using external tools for transportation or manual handling. Since the equipment is easily affected by external environmental interference, the probability of equipment damage increases. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a primary and secondary integrated pole-mounted circuit breaker with protective function, which aims to improve the problem that the probability of equipment damage increases due to the susceptibility of the equipment to interference from the external environment in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a primary and secondary integrated pole-mounted circuit breaker with protective function, comprising a housing 1 and a housing 2. A connecting mechanism is installed on the top of the housing 1, which is used to securely connect the housing 1 and the housing 2. A heat dissipation mechanism is installed on the inner top of the housing 2. The connecting mechanism includes two fixing plates, which are disposed on the top of the housing 1 and the housing 2. Screws 1 are threadedly connected to the front and rear sides of the top of the fixing plates. A hollow tube is fixedly connected to the top of the left fixing plate, and a connecting plate is fixedly connected to the top of the right fixing plate. Multiple threaded grooves are equidistantly opened in the middle of the hollow tube and the connecting plate, and screws 2 are threadedly connected to the inner side of the threaded grooves.

[0006] The above technical solution involves aligning housing one and housing two, fixing them with screw one to the fixing plate, adjusting the position by sliding the connecting plate, and screwing screw two into the corresponding threaded groove after the position is appropriate. The cooperation between screw two and the threaded groove achieves a firm connection between housing one and housing two.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation mechanism includes an L-shaped plate, which is fixedly connected to the inside of the housing. A threaded rod is rotatably connected to the right side of the L-shaped plate, and a threaded block is threadedly connected to the outer side of the threaded rod. A fan is provided at the bottom of the threaded block. An L-shaped plate is fixedly connected to the rear side of the L-shaped plate, and a threaded rod is rotatably connected to the front side of the L-shaped plate. A threaded block is threadedly connected to the outer side of the threaded rod, and a cotton board is provided at the bottom of the threaded block. A drive assembly is installed on the bottom right side of the L-shaped plate.

[0009] Through the above technical solution: the rotation of threaded rod one causes threaded block one to drive the fan to move, the rotation of threaded rod two causes threaded block two to drive the cotton board to move, the fan runs to cool the equipment, and the cotton board is used to absorb moisture.

[0010] As a further description of the above technical solution:

[0011] The drive assembly includes a motor, which is fixedly connected to the bottom right side of the L-shaped plate. A rotating rod is fixedly connected to the output end of the motor. A metal bevel gear is fixedly connected to the left side of the rotating rod. The left side of the metal bevel gear is fixedly connected to the right end of the threaded rod. A metal bevel gear is fixedly connected to the front side of the threaded rod. The metal bevel gear and the metal bevel gear mesh with each other.

[0012] The above technical solution involves starting the motor, which drives the rotating rod to rotate, causing the first metal bevel gear to rotate, and the first metal bevel gear to drive the second metal bevel gear to rotate.

[0013] As a further description of the above technical solution:

[0014] The housing 2 is provided with a limiting rod 1 inside. The bottom of the limiting rod 1 is fixedly connected to the top of the threaded block 1, and the top of the limiting rod 1 is slidably connected to the bottom of the L-shaped plate 1.

[0015] The above technical solution involves installing a limit rod on the second shell to limit movement.

[0016] As a further description of the above technical solution:

[0017] The housing 2 is provided with a limiting rod 2 inside. The bottom of the limiting rod 2 is fixedly connected to the top of the threaded block 2, and the top of the limiting rod 2 is slidably connected to the bottom of the L-shaped plate 2.

[0018] The above technical solution involves installing a limit rod on the second shell to achieve a limiting function.

[0019] As a further description of the above technical solution:

[0020] Multiple heat dissipation grooves are equidistantly provided on the lower outer side of both housing one and housing two, and baffles are fixedly connected to the middle outer side of both housing one and housing two.

[0021] The above technical solution involves heat dissipation grooves on housing one and housing two, and baffles fixed on both.

[0022] As a further description of the above technical solution:

[0023] The front and rear sides of the first housing are fixedly connected with buckles, and the front and rear sides of the second housing are fixedly connected with retaining rings.

[0024] The above technical solution involves a buckle on housing one and a retaining ring on housing two, with the buckle engaging with the retaining ring.

[0025] As a further description of the above technical solution:

[0026] The inner side of the hollow tube is slidably connected to the outer side of the connecting plate, and the fixing plate is threadedly connected to the top of the housing one and the housing two by screw one.

[0027] With the above technical solution, the connecting plate can slide inside the hollow tube, and the fixing plate is fixed by screws.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, when connecting housing one and housing two, screw one is used to fix the plate on the housing, and the connecting plate is pushed to slide and adjust its position in the hollow tube. After the position is determined, screw two is screwed into the threaded groove. Through the tight fit of the fixing plate and the connecting plate, a stable connection between housing one and housing two is achieved, protecting the internal equipment.

[0030] 2. In this utility model, the motor is started and the rotating rod is rotated, which in turn causes the first metal bevel gear to rotate, driving the first threaded rod and the fan. At the same time, the first metal bevel gear meshes with the second metal bevel gear, driving the second threaded rod and the cotton board, thus realizing the functions of cooling by the fan and absorbing moisture by the cotton board. Attached Figure Description

[0031] Figure 1 A perspective view of a primary and secondary integrated pole-mounted circuit breaker with protective function proposed in this utility model;

[0032] Figure 2 This is a front view of a primary and secondary integrated pole-mounted circuit breaker with protective function proposed in this utility model;

[0033] Figure 3 This is a partial structural diagram of a primary and secondary integrated pole-mounted circuit breaker with protective function proposed in this utility model.

[0034] Figure 4 This is a partial structural exploded view of a primary and secondary integrated pole-mounted circuit breaker with protective function proposed in this utility model.

[0035] Figure 5 This is a schematic diagram of the heat dissipation mechanism of a primary and secondary integrated pole-mounted circuit breaker with protective function proposed in this utility model.

[0036] Legend:

[0037] 1. Housing 1; 2. Housing 2; 3. Connecting Mechanism; 301. Fixing Plate; 302. Screw 1; 303. Hollow Tube; 304. Connecting Plate; 305. Threaded Groove; 306. Screw 2; 4. Heat Dissipation Mechanism; 401. L-shaped Plate 1; 402. Threaded Rod 1; 403. Threaded Block 1; 404. Fan; 405. L-shaped Plate 2; 406. Threaded Rod 2; 407. Threaded Block 2; 408. Wool Board; 409. Drive Assembly; 4091. Motor; 4092. Rotating Rod; 4093. Metal Bevel Gear 1; 4094. Metal Bevel Gear 2; 5. Limiting Rod 1; 6. Limiting Rod 2; 7. Heat Dissipation Groove; 8. Baffle; 9. Buckle; 10. Snap Ring. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 2 , Figure 3 and Figure 4 This utility model provides an embodiment of a primary and secondary integrated pole-mounted circuit breaker with protective function, comprising a housing 1 and a housing 2. A connecting mechanism 3 is installed on the top of the housing 1, which is used to securely connect the housing 1 and the housing 2. A heat dissipation mechanism 4 is installed on the inner top of the housing 2. The connecting mechanism 3 includes two fixing plates 301, which are disposed on the top of the housing 1 and the housing 2. Screws 302 are threadedly connected to the front and rear sides of the top of the fixing plates 301. A hollow tube 303 is fixedly connected to the top of the left fixing plate 301. A hollow tube 303 is fixedly connected to the top of the right fixing plate 301. A connecting plate 304 is fixedly connected to the top of housing 1. The connecting plate 304 can slide inside the hollow tube 303. Multiple threaded grooves 305 are equidistantly opened in the middle of the hollow tube 303 and the connecting plate 304. A screw 306 is threadedly connected to the inner side of the threaded groove 305. The screw 306 can cooperate with the threaded groove 305 to achieve a fixed effect. Multiple heat dissipation grooves 7 are equidistantly opened in the lower middle part of the outer side of housing 1 and housing 2. The heat dissipation grooves 7 can ventilate and dissipate heat for the internal equipment. A baffle 8 is fixedly connected to the middle of the outer side of housing 1 and housing 2. The baffle 8 can play a shielding role.

[0040] Specifically, when connecting housing 1 and housing 2, firstly, screw 302 is used to fix the fixing plate 301 to housing 1 and housing 2. Then, the connecting plate 304 is pushed to slide inside the hollow tube 303 to adjust the position between housing 1 and housing 2. Screw 306 is screwed into the corresponding threaded groove 305. Through the cooperation of screw 306 and threaded groove 305, the connection between housing 1 and housing 2 is achieved, ensuring that the internal equipment is effectively protected. Multiple heat dissipation grooves 7 are provided at equal intervals on the lower outer side of housing 1 and housing 2. The heat dissipation grooves 7 have the function of ventilating and dissipating heat for the internal equipment. Baffles 8 are fixed on the middle outer side of housing 1 and housing 2. Baffles 8 have a shielding function.

[0041] Reference Figure 1 and Figure 5The heat dissipation mechanism 4 includes an L-shaped plate 401, which is fixedly connected to the inside of the housing 2. A threaded rod 402 is rotatably connected to the right side of the L-shaped plate 401. A threaded block 403 is threadedly connected to the outer side of the threaded rod 402. Rotation of the threaded rod 402 will drive the threaded block 403 to move. A fan 404 is provided at the bottom of the threaded block 403, which can drive the fan 404 to move. An L-shaped plate 405 is fixedly connected to the rear side of the L-shaped plate 401. A threaded rod 406 is rotatably connected to the front side of the L-shaped plate 405. A threaded block 407 is threadedly connected to the outer side of the threaded rod 406. A cotton wadding plate 408 is provided at the bottom of the threaded block 407. A drive assembly 409 is installed on the bottom right side of the L-shaped plate 401. The drive assembly 409 includes a motor 4091, which is fixedly connected to the bottom of the L-shaped plate 401. On the right side of the part, a rotating rod 4092 is fixedly connected to the output end of the motor 4091. A metal bevel gear 4093 is fixedly connected to the left side of the rotating rod 4092. The left side of the metal bevel gear 4093 is fixedly connected to the right end of the threaded rod 402. A metal bevel gear 4094 is fixedly connected to the front side of the threaded rod 406. The metal bevel gear 4093 and the metal bevel gear 4094 are meshed. A limit rod 5 is provided inside the housing 2. The bottom of the limit rod 5 is fixedly connected to the top of the threaded block 403. The top of the limit rod 5 is slidably connected to the bottom of the L-shaped plate 401. A limit rod 6 is provided inside the housing 2. The limit rod 5 plays a limiting left and right role. The bottom of the limit rod 6 is fixedly connected to the top of the threaded block 407. The top of the limit rod 6 is slidably connected to the bottom of the L-shaped plate 405. The limit rod 6 plays a limiting role.

[0042] Specifically, after starting the motor 4091, the rotating rod 4092 rotates accordingly, which in turn drives the metal bevel gear 4093 to rotate. The rotation of the metal bevel gear 4093 will drive the threaded rod 402 connected to it to rotate. The rotation of the threaded rod 402 will cause the threaded block 403 to drive the fan 404 to move. Since there is a meshing relationship between the metal bevel gear 4093 and the metal bevel gear 4094, the metal bevel gear 4094 will also rotate, which will drive the threaded rod 406 to rotate. The rotation of the threaded rod 406 will cause the threaded block 407 to push the cotton board 408 to move. The fan 404 can cool the equipment, while the cotton board 408 plays an auxiliary role in absorbing moisture. The bottom end of the limiting rod 6 is fixedly connected to the top end of the threaded block 407, and the top end of the limiting rod 6 is slidably connected to the bottom end of the L-shaped plate 405, so that the limiting rod 6 can perform its limiting function.

[0043] Reference Figure 2 and Figure 4The front and rear sides of housing 1 are fixedly connected with buckles 9, and the front and rear sides of housing 2 are fixedly connected with retaining rings 10. Buckles 9 can cooperate with retaining rings 10 to achieve a locking effect. The inner side of hollow tube 303 is slidably connected to the outer side of connecting plate 304. Fixing plate 301 is threadedly connected to the top of housing 1 and housing 2 by screw 302. Screw 302 can fix fixing plate 301.

[0044] Specifically, the front and rear sides of housing 1 are provided with buckles 9, while the front and rear sides of housing 2 are provided with retaining rings 10. The buckles 9 and retaining rings 10 can cooperate with each other to achieve a stable locking effect. The inner side of the hollow tube 303 and the outer side of the connecting plate 304 are designed to slide. The fixing plate 301 is threadedly connected to the top of housing 1 and housing 2 by screw 302. The function of screw 302 is to ensure the fixing of the fixing plate 301.

[0045] Working principle: When connecting housing 1 and housing 2, screw 302 is used to fix the fixing plate 301 to housing 1 and housing 2, and the connecting plate 304 is pushed to slide inside the hollow tube 303 to adjust the relative position between housing 1 and housing 2. After the position is determined, screw 306 is screwed into the corresponding threaded groove 305. Through the tight fit between screw 306 and threaded groove 305, the fixing plate 301 and the connecting plate 304 are firmly fixed, thereby achieving a firm connection between housing 1 and housing 2 and protecting the internal equipment.

[0046] The motor 4091 is started, which drives the rotating rod 4092 to rotate, causing the metal bevel gear 4093 to rotate. The rotation of the metal bevel gear 4093 drives the threaded rod 402 fixed to it to rotate. The rotation of the threaded rod 402 causes the threaded block 403 to drive the fan 404 to move. Since the metal bevel gear 4093 and the metal bevel gear 4094 are meshed, the threaded rod 406 is also driven to rotate. The rotation of the threaded rod 406 causes the threaded block 407 to drive the cotton board 408 to move. This realizes that the fan 404 is used to cool the equipment, and the cotton board 408 is used to assist in moisture absorption.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A primary and secondary integrated pole-mounted circuit breaker with protective function, comprising a first housing (1) and a second housing (2), characterized in that: A connecting mechanism (3) is installed on the top of the first housing (1). The connecting mechanism (3) is used to securely connect the first housing (1) and the second housing (2). A heat dissipation mechanism (4) is installed on the top inner side of the second housing (2). The connecting mechanism (3) includes two fixing plates (301). The fixing plates (301) are located on the top of the first housing (1) and the second housing (2). The front and rear sides of the top of the fixing plates (301) are threaded with screws (302). The top of the left fixing plate (301) is fixedly connected with a hollow tube (303), and the top of the right fixing plate (301) is fixedly connected with a connecting plate (304). The hollow tube (303) and the connecting plate (304) are provided with multiple threaded grooves (305) at equal intervals in the middle. The inner side of the threaded grooves (305) is threaded with screws (306).

2. The primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 1, characterized in that: The heat dissipation mechanism (4) includes an L-shaped plate (401), which is fixedly connected to the inside of the housing (2). A threaded rod (402) is rotatably connected to the right side of the L-shaped plate (401). A threaded block (403) is threadedly connected to the outer side of the threaded rod (402). A fan (404) is provided at the bottom of the threaded block (403). An L-shaped plate (405) is fixedly connected to the rear side of the L-shaped plate (401). A threaded rod (406) is rotatably connected to the front side of the L-shaped plate (405). A threaded block (407) is threadedly connected to the outer side of the threaded rod (406). A cotton board (408) is provided at the bottom of the threaded block (407). A drive assembly (409) is installed on the bottom right side of the L-shaped plate (401).

3. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 2, characterized in that: The drive assembly (409) includes a motor (4091), which is fixedly connected to the bottom right side of the L-shaped plate (401). A rotating rod (4092) is fixedly connected to the output end of the motor (4091). A metal bevel gear (4093) is fixedly connected to the left side of the rotating rod (4092). The left side of the metal bevel gear (4093) is fixedly connected to the right end of the threaded rod (402). A metal bevel gear (4094) is fixedly connected to the front side of the threaded rod (406). The metal bevel gear (4093) and the metal bevel gear (4094) are meshed together.

4. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 2, characterized in that: The housing 2 (2) is provided with a limiting rod 1 (5) inside. The bottom of the limiting rod 1 (5) is fixedly connected to the top of the threaded block 1 (403), and the top of the limiting rod 1 (5) is slidably connected to the bottom of the L-shaped plate 1 (401).

5. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 2, characterized in that: The housing 2 (2) is provided with a limiting rod 2 (6) inside. The bottom of the limiting rod 2 (6) is fixedly connected to the top of the threaded block 2 (407), and the top of the limiting rod 2 (6) is slidably connected to the bottom of the L-shaped plate 2 (405).

6. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 1, characterized in that: Multiple heat dissipation grooves (7) are provided at equal intervals on the lower outer side of both the first shell (1) and the second shell (2), and baffles (8) are fixedly connected to the middle outer side of both the first shell (1) and the second shell (2).

7. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 1, characterized in that: The front and rear sides of the first housing (1) are fixedly connected with buckles (9), and the front and rear sides of the second housing (2) are fixedly connected with retaining rings (10).

8. A primary and secondary integrated pole-mounted circuit breaker with protective function according to claim 1, characterized in that: The inner side of the hollow tube (303) is slidably connected to the outer side of the connecting plate (304), and the fixing plate (301) is threadedly connected to the top of the housing one (1) and the housing two (2) by screw one (302).