universal circuit breaker
Patent Information
- Application Number
- CN202522553411.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-01
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-12-01
AI Technical Summary
[0003]常见的万能式断路器中,在实现载波通讯装置的内置安装时,需要对断路器原有的内部结构进行大幅度的改动,这不仅增加了生产制造的复杂程度,还会显著提高生产成本
该万能式断路器,通过在保护机构内部同侧加设的分励线圈和闭合线圈,使得在不改变现有的万能式断路器的内部结构的情况下,实现了在万能式断路器中内置安装载波通讯装置,降低了生产成本,同时通过按压传动件带动限位件的回缩,使得可将卡接件直接卡接在配合件的外部,此时松开传动件可在弹性件的带动下推动限位件复位,使得限位件插入第二卡槽的内部,完成限位,即可完成保护机构和封闭件的组装,简化了操作流程,无需借助专业工具,有效提升了工作效率,并且由于弹性件提供的持续作用力使限位件始终稳定嵌合于第二卡槽内,使得在产生震动的情况下,也能保证卡接件与配合件的连接稳定性,避免封闭件出现松动移位,进而确保了断路器内部元件的密封防护效果。
Smart Images

Figure CN224922675U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit breaker applications, and in particular to universal circuit breakers. Background Technology
[0002] A universal circuit breaker is a mechanical switching device capable of connecting, carrying, and disconnecting current under normal circuit conditions, as well as connecting, carrying for a certain time, and disconnecting current under specified abnormal circuit conditions. Universal circuit breakers are used to distribute electrical energy and protect lines and power supply equipment from overload, undervoltage, short circuit, and other faults. By installing a communication module, the circuit breaker achieves communication connectivity with the smart grid control system, enabling rapid transmission of the circuit breaker's operating status information, relevant parameter information, and on / off operation commands.
[0003] In common universal circuit breakers, the integration of carrier communication devices requires significant modifications to the original internal structure, increasing manufacturing complexity and production costs. Furthermore, existing technologies typically employ complex connection methods for assembling protection mechanisms and enclosures, resulting in cumbersome procedures and requiring specialized tools for end cover assembly and disassembly. This poses a significant challenge for ordinary workers, leading to low efficiency and failing to meet the operational requirements of circuit breaker applications. Therefore, the universal circuit breaker was developed to address this issue. Utility Model Content
[0004] This utility model provides the following technical solution: a universal circuit breaker, comprising: The protective mechanism has a closure at its opening and a controller inserted into its inner side. A shunt coil is installed inside the protection mechanism. A closed coil is installed inside the protection mechanism on the side of the shunt coil. Fitting parts are connected to both sides of the opening of the protection mechanism. A snap-fit component is installed on both sides of the closure component at positions corresponding to the mating component. An insert plate is inserted inside the mating component. Elastic components are connected to both the upper and lower sides of the insert plate. A transmission component is sleeved on the outside of each elastic component. The limiting component is inserted into both sides of the inside of the transmission component. The upper and lower sides of the snap-fit component are provided with first slots, and the inner side of the snap-fit component is provided with second slots.
[0005] Preferably, the protective mechanism is connected to fittings on both external sides, the fittings have through holes on both internal sides, and the lower surface of the fittings is covered with rubber pads. The addition of fittings facilitates the installation of the protective mechanism.
[0006] Preferably, corner brackets are connected to the four outer corners of the closure, and pins are connected to the outer sides of the corner brackets. Sockets are installed on the outer side of the protection mechanism at positions corresponding to the pins. The addition of pins and sockets allows for positioning during assembly of the closure and the protection mechanism, improving the stability of the connection.
[0007] Preferably, the outer ends of the elastic elements are all connected to the inner wall of the transmission elements, the outer ends of the transmission elements all penetrate the upper and lower ends of the mating parts, and the outer ends of the transmission elements are all equipped with buttons for easy pressing.
[0008] Preferably, through slots are provided on both outer sides of the mating component at positions corresponding to the limiting component, and the length of the limiting component is greater than the width of the mating component. The through slots facilitate the movement of the limiting component and avoid interference.
[0009] Preferably, the diameter of the limiting member is adapted to the width of the through groove and the second slot, the width of the first slot is adapted to the diameter of the transmission member, and the inner wall of the first slot is lined with a rubber pad to improve the tightness of the engagement.
[0010] In summary, compared with the prior art, this utility model provides a universal circuit breaker with the following advantages: This universal circuit breaker, by adding a shunt coil and a closing coil on the same side inside the protection mechanism, enables the built-in installation of a carrier communication device without changing the existing internal structure of the universal circuit breaker, reducing production costs. Simultaneously, by pressing the transmission component to retract the limiting component, the snap-fit component can be directly snapped onto the outside of the mating component. Releasing the transmission component allows the limiting component to reset under the action of the elastic component, allowing it to insert into the second slot and complete the limiting action. This simplifies the operation process, eliminates the need for specialized tools, and effectively improves work efficiency. Furthermore, the continuous force provided by the elastic component ensures that the limiting component remains stably engaged in the second slot, maintaining the connection stability between the snap-fit component and the mating component even under vibration, preventing loosening or displacement of the mating component, and thus ensuring the sealing and protection effect of the internal components of the circuit breaker. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 This is a schematic diagram of the assembly structure of the protective mechanism and the sealing component of this utility model.
[0013] Figure 3 This is a schematic diagram of the internal structure of the protection mechanism of this utility model.
[0014] Figure 4This is a schematic diagram of the closure structure of this utility model.
[0015] Figure 5 This is a schematic diagram of the upper side cross-sectional structure of the mating component of this utility model.
[0016] Figure 6 This is a schematic diagram of the snap-fit structure of this utility model.
[0017] Explanation of reference numerals in the attached figures: 1. Protection mechanism; 2. Enclosure; 3. Assembly parts; 4. Controller; 5. Shunt coil; 6. Closing coil; 7. Mating parts; 8. Snap-fit parts; 9. Insert plate; 10. Elastic parts; 11. Transmission parts; 12. Limiting parts; 13. Through slot; 14. First slot; 15. Second slot; 16. Angle bracket; 17. Pin; 18. Socket. Detailed Implementation
[0018] This utility model provides a technical solution for a universal circuit breaker, comprising a protection mechanism 1, a sealing component 2, an assembly component 3, a controller 4, a shunt coil 5, a closing coil 6, a mating component 7, a snap-fit component 8, a plug plate 9, an elastic component 10, a transmission component 11, a limiting component 12, a through slot 13, a first slot 14, a second slot 15, a corner bracket 16, a pin 17, and a socket 18. Please see Figure 1 The opening of the protective mechanism 1 is equipped with a sealing element 2. The protective mechanism 1 is a shell structure, and the sealing element 2 is an end cap structure. Please refer to [link / reference]. Figure 3 The controller 4 is inserted into the inner side of the protection mechanism 1; The shunt coil 5 is installed inside the protection mechanism 1. A closed coil 6 is installed inside the protection mechanism 1 on the side of the shunt coil 5. Both sides of the opening of the protection mechanism 1 are connected to mating parts 7, which are square in structure. Please see Figure 4 The snap-fit component 8 is installed on both sides of the closure component 2 at positions corresponding to the mating component 7. Please refer to [link / reference]. Figure 5 The insert plate 9 is inserted inside the mating part 7. The upper and lower sides of the insert plate 9 are connected to the elastic members 10. The transmission member 11 is sleeved on the outside of the elastic member 10. The snap-fit member 8 is a sleeve-shaped structure. The limiting member 12 is inserted into both sides inside the transmission member 11. Please refer to [link / reference]. Figure 6 The upper and lower sides of the snap-fit component 8 are provided with first slots 14, and the inner side of the snap-fit component 8 is provided with second slots 15. By adding a shunt coil 5 and a closing coil 6 on the same side inside the protection mechanism 1, a carrier communication device can be built into the universal circuit breaker without changing the internal structure of the existing universal circuit breaker, thus reducing production costs. Please see Figure 2By pressing the transmission component 11 to drive the retraction of the limiting component 12, the snap-fit component 8 can be directly snapped onto the outside of the mating component 7. At this time, releasing the transmission component 11 can push the limiting component 12 to reset under the action of the elastic component 10, so that the limiting component 12 is inserted into the inside of the second slot 15 to complete the limiting. This completes the assembly of the protection mechanism 1 and the sealing component 2, which simplifies the operation process, eliminates the need for professional tools, and effectively improves work efficiency. Furthermore, due to the continuous force provided by the elastic component 10, the limiting component 12 is always stably fitted into the second slot 15, which ensures the connection stability between the snap-fit component 8 and the mating component 7 even when vibration occurs, preventing the sealing component 2 from loosening or shifting, thereby ensuring the sealing and protection effect of the internal components of the circuit breaker. Please see Figure 1 The protective mechanism 1 is connected to the outer two sides of the assembly 3. The inner two sides of the assembly 3 are provided with through holes. The lower surface of the assembly 3 is covered with a rubber pad. Please refer to [link / reference]. Figure 4 and Figure 5 Corner brackets 16 are connected to the four outer corners of the enclosure 2, and pins 17 are connected to the outside of the corner brackets 16. A socket 18 is installed on the outside of the protection mechanism 1 at the position corresponding to the pins 17. The outer ends of the elastic members 10 are all connected to the inner wall of the transmission members 11. The outer ends of the transmission members 11 all pass through the upper and lower ends of the mating members 7. The outer ends of the transmission members 11 are all equipped with buttons. The outer sides of the mating members 7 are provided with through slots 13 corresponding to the positions of the limiting members 12. The length of the limiting members 12 is greater than the width of the mating members 7. The diameter of the limiting members 12 is adapted to the width of the through slots 13 and the second slot 15. The width of the first slot 14 is adapted to the diameter of the transmission members 11. The inner wall of the first slot 14 is lined with a rubber pad.
[0019] This solution, by adding a shunt coil 5 and a closing coil 6 on the same side inside the protection mechanism 1, enables the built-in installation of a carrier communication device in the universal circuit breaker without changing the existing internal structure of the universal circuit breaker, thus reducing production costs. Simultaneously, by pressing the transmission component 11 to retract the limiting component 12, the snap-fit component 8 can be directly snapped onto the outside of the mating component 7. Releasing the transmission component 11 allows the limiting component 12 to reset under the action of the elastic component 10, allowing it to insert into the second slot 15 and complete the limiting action. This completes the assembly of the protection mechanism 1 and the sealing component 2, simplifying the operation process, eliminating the need for specialized tools, and effectively improving work efficiency. Furthermore, the continuous force provided by the elastic component 10 ensures that the limiting component 12 remains stably fitted into the second slot 15, maintaining the connection stability between the snap-fit component 8 and the mating component 7 even under vibration, preventing the sealing component 2 from loosening or shifting, and thus ensuring the sealing and protection effect of the internal components of the circuit breaker.
Claims
1. A universal circuit breaker, characterized in that, include: The protective mechanism (1) is equipped with a closure (2) at its opening and a controller (4) is inserted into the inner side of the protective mechanism (1). The shunt coil (5) is installed inside the protection mechanism (1). A closed coil (6) is installed inside the protection mechanism (1) on the side of the shunt coil (5). Both sides of the opening of the protection mechanism (1) are connected to mating parts (7). The snap-fit component (8) is installed on both sides of the closure component (2) at positions corresponding to the mating component (7). The mating component (7) has an insert plate (9) inserted inside. The upper and lower sides of the insert plate (9) are connected to elastic components (10). The elastic components (10) are fitted with transmission components (11) on the outside. The limiting member (12) is inserted into the inside of the transmission member (11) on both sides. The upper and lower sides of the snap-fit member (8) are provided with first slots (14), and the inner side of the snap-fit member (8) is provided with second slots (15).
2. The universal circuit breaker according to claim 1, characterized in that: The protective mechanism (1) is connected to the outer two sides of the fittings (3), and the fittings (3) are provided with through holes on the inner two sides. The lower surface of the fittings (3) is covered with rubber pads.
3. The universal circuit breaker according to claim 1, characterized in that: The four outer corners of the closure (2) are connected with corner brackets (16), and the outer sides of the corner brackets (16) are connected with pins (17). The outer side of the protection mechanism (1) is equipped with a socket (18) at the position corresponding to the pins (17).
4. The universal circuit breaker according to claim 1, characterized in that: The outer ends of the elastic element (10) are all connected to the inner wall of the transmission element (11), the outer ends of the transmission element (11) all penetrate the upper and lower ends of the mating element (7), and the outer ends of the transmission element (11) are all equipped with buttons.
5. The universal circuit breaker according to claim 1, characterized in that: The outer sides of the mating part (7) are provided with through slots (13) corresponding to the positions of the limiting part (12), and the length of the limiting part (12) is greater than the width of the mating part (7).
6. The universal circuit breaker according to claim 5, characterized in that: The diameter of the limiting member (12) is adapted to the width of the through groove (13) and the second slot (15), the width of the first slot (14) is adapted to the diameter of the transmission member (11), and the inner wall of the first slot (14) is covered with a rubber pad.