Miniature circuit breaker with communication function
By setting up a variety of structural improvements on the micro circuit breaker, the problems of poor contact, loose communication modules and inconvenient plug-in installation are solved, and the equipment is stable and fixed and conveniently installed, and the stability and reliability of use are improved.
Patent Information
- Application Number
- CN202422206185.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Existing micro-circuit breakers based on IoT communication and line fault analysis functions are prone to problems such as poor contact, loose communication modules and inconvenient plug-in installation during use.
By setting a supportable plug-in tightening frame structure on the circuit breaker housing, adjustable fixed connection frame structure, pushable fixed clamping block structure and rotatable shielding protective plate structure, the stable fixation and convenient installation of the wireless communication module are ensured.
It effectively prevents poor contact and loose communication modules, simplifies the plug-in installation process, and improves the stability and reliability of the equipment.
Smart Images

Figure CN223023173U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of miniature circuit breakers, and particularly relates to a miniature circuit breaker with a communication function. Background Art
[0002] The miniature circuit breaker is one of the most widely used terminal protection electrical appliances in the building electrical terminal distribution device. The miniature circuit breaker is composed of an operating mechanism, contacts, protection devices (various trip units), an arc extinguishing system, etc. Its main contacts are manually operated or electrically closed. After the main contacts are closed, the free tripping mechanism locks the main contacts in the closed position. The coil of the overcurrent trip unit and the heating element of the thermal trip unit are connected in series with the main circuit. When the circuit has a short circuit or serious overload, the armature of the overcurrent trip unit is attracted, causing the free tripping mechanism to operate and the main contacts to disconnect the main circuit. When the circuit is overloaded, the heating element of the thermal trip unit generates heat, causing the bimetal to bend and pushing the free tripping mechanism to operate. With the development of the miniature circuit breaker technology field, miniature circuit breakers that can be connected to the Internet of Things have gradually emerged, enabling remote control of the opening and closing of the miniature circuit breaker, and being able to monitor in real time parameters such as the current and voltage flowing through the miniature circuit breaker. At the same time, by setting several sensors in the miniature circuit breaker, the function of fault analysis of the line can also be realized. The existing miniature circuit breakers based on Internet of Things communication and line fault analysis functions include a housing, a housing cover, a metal cylinder, a second mounting bracket, a trigger block, a first trigger rod, a coil, a rotating plate, an arc extinguisher, a metal plate, a first transmission bracket, a bimetal strip, a second trigger rod, a switch, a second transmission bracket, a first mounting bracket, a first rotating shaft, a ratchet, a limit ring, a limit plate, a mounting rod, a weight, a first sliding rod, a second sliding rod, a fixed rod, a pawl, a positioning ring, a first fixed housing, a first moving rod, a second fixed housing, a second moving rod, a third mounting bracket, a gearbox, a first friction disk, a second rotating shaft, a fixing plate, a third fixed housing, a third moving rod, a second friction disk, a sliding bracket, a limit block, a fixed block, a sliding block, a spring telescopic rod, a fourth fixed housing, a moving block, a fourth moving rod, a stop rod. This kind of miniature circuit breaker based on Internet of Things communication and line fault analysis functions is prone to problems such as poor contact affecting the operation of the circuit breaker during use, the communication module being prone to looseness during use, and inconvenient plug-in installation. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides a miniature circuit breaker with a communication function, which improves the power connection during use to prevent poor contact during use, improves the installation location during use to facilitate plug-in installation, and sets a clamping and tightening mechanism during use to prevent looseness during use.
[0004] A miniature circuit breaker with communication function includes a circuit breaker housing. Wiring holes are respectively opened on the left sides of the upper and lower ends of the circuit breaker housing. A switch is arranged at the middle position on the right side of the circuit breaker housing. A wireless communication module is arranged at the bottom end of the circuit breaker housing, and a support plug-in and tightening frame structure is arranged on the outer wall of the wireless communication module. An adjustable fixed connection frame structure is arranged at the lower part on the right side of the circuit breaker housing. A pushable fixed clamping block structure is arranged at the lower part of the middle position on the right side of the circuit breaker housing. A rotatable shielding and protecting plate structure is connected to the top end of the circuit breaker housing. The support plug-in and tightening frame structure includes a fixing plate. Bottom plates are integrally arranged at the bottom ends of the inner walls of the fixing plate. Tightening screws are respectively threaded through the middle positions of the left and right sides of the bottom plates. The left ends of the fixing plate are respectively bolt-fixed to the front and rear sides of the right side of the end plate. Adsorbing blocks are respectively inlaid in the right side of the end plate from front to back.
[0005] Preferably, the adjustable fixed connection frame structure includes a fixed block. Adjustment holes are respectively opened in the upper and lower parts of the fixed block. A threaded rod passes through the inside of the adjustment hole. One-shaped slots are respectively opened at the front ends of the threaded rod. A moving block is threadedly sleeved on the outer wall of the threaded rod. A power contact point is fixed at the middle position on the right side of the moving block.
[0006] Preferably, the pushable fixed clamping block structure includes a connecting block. A fixed strip is bolt-fixed to the upper part on the right side of the connecting block. T-shaped pulling rods respectively penetrate through the inner parts of the front and rear ends of the fixed strip. The bottom ends of the T-shaped pulling rods are respectively bolt-fixed to the middle position of the upper end of an inclined L-shaped clamping block. Springs are respectively sleeved on the lower parts of the outer walls of the T-shaped pulling rods.
[0007] Preferably, the rotatable shielding and protecting plate structure includes a support plate. Wing-shaped bolts respectively penetrate through the top parts of the front and rear ends of the support plate. A rotating plate is inserted into the middle position of the upper end of the support plate. A shielding plate is bolt-fixed to the upper part on the left side of the rotating plate. Support rods are respectively bolt-fixed to the front and rear sides of the left bottom end of the shielding plate.
[0008] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0009] 1. In the utility model, the circuit breaker housing, the fixed block, the adjustment hole, the threaded rod, the one-shaped slot, the moving block and the power contact point are arranged in cooperation, which is beneficial to drive the moving block and the power contact point to move by rotating the threaded rod during use, facilitating the adjustment of the position of the power contact point during use and facilitating the power-on work of the wireless communication module.
[0010] 2. In the present utility model, the wireless communication module, fixed plate, bottom plate, tightening screw, end plate, and adsorption block are arranged in cooperation, which is beneficial to plug the wireless communication module between the fixed plates during use, and then rotate the tightening screw to perform the tightening and fixing work of the wireless communication module, facilitating the purpose of plug-in installation.
[0011] 3. In the present utility model, the circuit breaker housing, connecting block, fixing strip, T-shaped pulling rod, inclined L-shaped clamping block, and spring are arranged in cooperation, which is beneficial to push the inclined L-shaped clamping block through the spring during use, so that the inclined L-shaped clamping block is sleeved on the upper right outer wall of the wireless communication module, preventing the wireless communication module from loosening during use.
[0012] 4. In the present utility model, the circuit breaker housing, wiring hole, support plate, wing bolt, rotating plate, shielding plate, and support rod are arranged in cooperation, which is beneficial to loosen the wing bolt and rotate the shielding plate during use, facilitating the purpose of shielding and protecting the wire connection. Brief Description of the Drawings
[0013] Figure 1 is the structural schematic diagram of the present utility model.
[0014] Figure 2 is the structural schematic diagram of the supportable plug-in tightening frame structure of the present utility model.
[0015] Figure 3 is the structural schematic diagram of the adjustable fixed connection frame structure of the present utility model.
[0016] Figure 4 is the structural schematic diagram of the pushable fixed clamping block structure of the present utility model.
[0017] Figure 5 is the structural schematic diagram of the rotatable shielding protection plate structure of the present utility model.
[0018] In the figure:
[0019] 1. Circuit breaker housing; 2. Wiring hole; 3. Switch; 4. Wireless communication module; 5. Supportable plug-in tightening frame structure; 51. Fixed plate; 52. Bottom plate; 53. Tightening screw; 54. End plate; 55. Adsorption block; 6. Adjustable fixed connection frame structure; 61. Fixed block; 62. Adjustment hole; 63. Threaded rod; 64. One-shaped slot; 65. Moving block; 66. Power contact point; 7. Pushable fixed clamping block structure; 71. Connecting block; 72. Fixing strip; 73. T-shaped pulling rod; 74. Inclined L-shaped clamping block; 75. Spring; 8. Rotatable shielding protection plate structure; 81. Support plate; 82. Wing bolt; 83. Rotating plate; 84. Shielding plate; 85. Support rod. Detailed Description of the Preferred Embodiment
[0020] The present utility model will be specifically described below with reference to the accompanying drawings. As shown in the accompanying Figure 1 drawing and the accompanying Figure 2 drawing, a miniature circuit breaker with communication function includes a circuit breaker housing 1, wiring holes 2, a switch 3, a wireless communication module 4, a supportable plug-in and tightening frame structure 5, an adjustable fixed connection frame structure 6, a pushable fixed clamping block structure 7, and a rotatable shielding and protection plate structure 8. Wiring holes 2 are respectively formed in the left sides of the upper and lower ends of the circuit breaker housing 1; a switch 3 is arranged at the middle position on the right side of the circuit breaker housing 1; a wireless communication module 4 is arranged at the bottom end of the circuit breaker housing 1, and a supportable plug-in and tightening frame structure 5 is arranged on the outer wall of the wireless communication module 4; an adjustable fixed connection frame structure 6 is arranged at the lower part on the right side of the circuit breaker housing 1; a pushable fixed clamping block structure 7 is arranged at the lower part at the middle position on the right side of the circuit breaker housing 1; a rotatable shielding and protection plate structure 8 is connected to the top end of the circuit breaker housing 1; the supportable plug-in and tightening frame structure 5 includes a fixing plate 51, a bottom plate 52, a tightening screw 53, end plates 54, and adsorption blocks 55. Bottom plates 52 are integrally arranged at the bottom ends of the inner walls of the fixing plate 51; tightening screws 53 are respectively threadedly penetrated through the middle positions inside the left and right sides of the bottom plate 52; the left ends of the fixing plate 51 are respectively bolt-fixed to the front and rear sides on the right side of the end plates 54; adsorption blocks 55 are inlaid in sequence from front to back on the right side of the end plates 54. When in use, the circuit breaker housing 1 is fixed at a suitable position, and then wire connection and fixing work are carried out through the wiring holes 2. Then, during use, the fixing plate 51 is installed at the bottom end of the circuit breaker housing 1, and the wireless communication module 4 is inserted between the fixing plates 51. Then, the tightening screws 53 are rotated for tightening and fixing work, and adsorption work is carried out through the adsorption blocks 55 to prevent loosening during use.
[0021] In this embodiment, in combination with the accompanying Figure 3As shown, the adjustable fixed connection frame structure 6 includes a fixed block 61, an adjustment hole 62, a threaded rod 63, a flat slot 64, a moving block 65, and a power contact point 66. Adjustment holes 62 are respectively formed in the upper and lower inner parts of the fixed block 61; the threaded rod 63 penetrates through the interior of the adjustment hole 62; flat slots 64 are respectively formed at the front ends of the threaded rod 63; the outer wall of the threaded rod 63 is threadedly sleeved with a moving block 65; a power contact point 66 is fixed at the middle position on the right side of the moving block 65. After the wireless communication module 4 is fixed, an flat-blade screwdriver or other tool is inserted into the flat slot 64 and rotated. During the rotation process, due to the threaded connection between the threaded rod 63 and the moving block 65, the moving block 65 is driven to move, and at the same time, the power contact point 66 is driven to move, facilitating the power connection work during use and facilitating adjustment according to the power supply contact mechanism of the wireless communication module 4.
[0022] In this embodiment, in combination with the attached Figure 4 As shown, the pushable fixed clamping block structure 7 includes a connection block 71, a fixed strip 72, a T-shaped pull rod 73, an inclined L-shaped clamping block 74, and a spring 75. A fixed strip 72 is bolted to the upper right part of the connection block 71; the T-shaped pull rods 73 penetrate through the front and rear inner parts of the fixed strip 72 respectively; the bottom ends of the T-shaped pull rods 73 are respectively bolted to the middle position at the upper end of the inclined L-shaped clamping block 74; the lower parts of the outer walls of the T-shaped pull rods 73 are respectively sleeved with springs 75. After the wireless communication module 4 is fixed and the power supply of the wireless communication module 4 is turned on, the inclined L-shaped clamping block 74 is pushed by the spring 75, and the inclined L-shaped clamping block 74 is clamped on the upper right side of the wireless communication module 4, realizing the fixed installation of the wireless communication module 4 and preventing the wireless communication module 4 from loosening and affecting the work during use.
[0023] In this embodiment, in combination with the attached Figure 5As shown, the rotatable shielding and protection plate structure 8 includes a support plate 81, a wing bolt 82, a rotating plate 83, a shielding plate 84, and a support rod 85. Wing bolts 82 penetrate through the top parts of the front and rear ends of the support plate 81 respectively; a rotating plate 83 is inserted into the middle position inside the upper end of the support plate 81; a shielding plate 84 is bolted to the upper left part of the rotating plate 83; support rods 85 are bolted to the front and rear sides of the left bottom end of the shielding plate 84 respectively; and during use, after fixing the wire through the wiring hole 2, loosen the wing bolt 82, rotate the rotating plate 83, and at the same time drive the shielding plate 84 to rotate, and make the shielding plate 84 rotate above the circuit breaker housing 1, which is convenient for carrying out shielding and protection work during use, preventing dust or rain and snow from falling into the wiring hole 2 during use and affecting the work, so as to complete the work of the circuit breaker with communication function.
[0024] In this implementation scheme, specifically, a soft silicone sleeve is sleeved on the outer wall of the upper end of the switch 3; a wire passing hole is opened in the lower right part of the circuit breaker housing 1.
[0025] In this implementation scheme, specifically, the fixing plate 51 and the bottom plate 52 are arranged in an L shape; the adsorption blocks 55 are made of magnet blocks and there are multiple of them.
[0026] In this implementation scheme, specifically, the upper ends of the fixing plate 51 are bolted to the front and rear sides of the right bottom end of the circuit breaker housing 1 respectively; the bottom end of the wireless communication module 4 is inserted between the fixing plates 51; the tightening screws 53 are respectively in contact with the bottom end of the wireless communication module 4.
[0027] In this implementation scheme, specifically, the moving blocks 65 respectively slide through the inside of the adjustment holes 62; a bearing is provided at the connection between the fixed block 61 and the threaded rod 63.
[0028] In this implementation scheme, specifically, the fixed block 61 is bolted to the lower right part of the circuit breaker housing 1 and the power contact point 66 is wire-connected to the power supply inside the circuit breaker housing 1; the power contact point 66 is also in contact with the power supply point of the wireless communication module 4.
[0029] In this implementation scheme, specifically, the bottom ends of the springs 75 are respectively arranged at the middle position of the upper end of the inclined L-shaped clamping block 74 and are in contact; the upper ends of the springs 75 are respectively arranged at the bottom end of the fixed strip 72 and are in contact.
[0030] In this implementation scheme, specifically, the connecting block 71 is bolted to the lower part of the middle position on the right side of the circuit breaker housing 1; the inclined L-shaped clamping blocks 74 are respectively sleeved on the front and rear sides of the upper right end of the wireless communication module 4.
[0031] In this implementation scheme, specifically, the wing bolts 82 are respectively threadedly connected to the middle positions at the lower parts of the front and rear ends of the rotating plate 83; a silicone rubber ring with elasticity is arranged between the inner walls at the upper ends of the support plates 81 and the front and rear ends of the rotating plate 83.
[0032] In this implementation scheme, specifically, the bottom end of the support plate 81 is fixedly bolted to the upper right side of the circuit breaker housing 1; the bottom end of the support rod 85 is in contact with the upper left side of the circuit breaker housing 1.
[0033] Working principle
[0034] In the present utility model, when in use, the circuit breaker housing 1 is fixed at a suitable position, and then wire connection and fixing work is carried out through the wiring hole 2. Then, during the use process, the fixing plate 51 is installed at the bottom end of the circuit breaker housing 1, and the wireless communication module 4 is inserted between the fixing plates 51. Then, the top-tightening screw 53 is rotated for top-tightening and fixing work, and adsorption work is carried out through the adsorption block 55 to prevent loosening during use. After the wireless communication module 4 is fixed, a flat-blade screwdriver or other tools are inserted into the inside of the flat-blade slot 64 and rotated. During the rotation process, due to the threaded connection between the threaded rod 63 and the moving block 65, the moving block 65 is driven to move, and at the same time, the power contact point 66 is driven to move, which is convenient for power connection work during use and convenient for adjustment according to the power supply contact mechanism of the wireless communication module 4. After the wireless communication module 4 is fixed and the wireless communication module 4 is powered on, the inclined L-shaped clamping block 74 is pushed by the spring 75, and the inclined L-shaped clamping block 74 is clamped to the upper right side of the wireless communication module 4 to realize the fixed installation of the wireless communication module 4, preventing the wireless communication module 4 from loosening and affecting the work during use. After the wires are fixed through the wiring hole 2 during use, the wing bolts 82 are loosened, and the rotating plate 83 is rotated, and at the same time, the shielding plate 84 is driven to rotate, and the shielding plate 84 is rotated above the circuit breaker housing 1, which is convenient for shielding and protection work during use, preventing dust or rain and snow from falling into the wiring hole 2 during use and affecting the work, thus completing the work of the circuit breaker with a communication function.
[0035] Any technical solution using the technical solution of the present utility model, or a technical solution designed by those skilled in the art inspired by the technical solution of the present utility model and achieving the above technical effects shall fall within the protection scope of the present utility model.
Claims
1. A miniature circuit breaker with communication function, comprising a circuit breaker housing (1), wherein wiring holes (2) are respectively provided on the left sides of the upper and lower ends of the circuit breaker housing (1); a switch (3) is provided in the middle position of the right side of the circuit breaker housing (1); characterized in that: The bottom end of the circuit breaker housing (1) of the miniature circuit breaker with communication function is provided with a wireless communication module (4), and the outer wall of the wireless communication module (4) is provided with a supportable plug-in top-tightening frame structure (5); the lower right part of the circuit breaker housing (1) is provided with an adjustable fixed connection frame structure (6); the lower right middle part of the circuit breaker housing (1) is provided with a pushable fixed clamping block structure (7); the top of the circuit breaker housing (1) is connected with a rotatable shielding protection plate structure (8); the supportable plug-in top-tightening frame structure (5) comprises a fixing plate (51), and the bottom end of the inner wall of the fixing plate (51) is respectively provided with a bottom plate (52) in an integrated manner; the middle positions of the left and right sides of the bottom plate (52) are respectively threaded with a top-tightening screw (53); the left end of the fixing plate (51) is respectively bolted to the right front and right rear of the end plate (54); the right side of the end plate (54) is inlaid with adsorption blocks (55) in sequence from front to back.
2. The miniature circuit breaker with communication function according to claim 1, characterized in that: The adjustable fixed connection frame structure (6) comprises a fixed block (61), wherein the upper and lower interior parts of the fixed block (61) are respectively provided with adjustment holes (62); a threaded rod (63) penetrates the interior of the adjustment hole (62); a straight slot (64) is respectively provided at the front end of the threaded rod (63); a moving block (65) is threadedly sleeved on the outer wall of the threaded rod (63); and a power supply contact point (66) is fixed at the middle position on the right side of the moving block (65).
3. The miniature circuit breaker with communication function according to claim 1, characterized in that: The pushable fixed clamping block structure (7) comprises a connecting block (71), a fixing strip (72) being fixed by bolts on the upper right side of the connecting block (71); T-shaped pull rods (73) are respectively passed through the front and rear ends of the fixing strip (72); the bottom ends of the T-shaped pull rods (73) are respectively bolted to the middle position of the upper end of the oblique L-shaped clamping block (74); and the lower part of the outer wall of the T-shaped pull rod (73) is respectively sleeved with a spring (75).
4. The miniature circuit breaker with communication function according to claim 1, characterized in that: The rotatable shielding protective plate structure (8) comprises a support plate (81), and wing bolts (82) are respectively passed through the tops of the front and rear ends of the support plate (81); a rotating plate (83) is inserted into the middle position of the upper end of the support plate (81); a shielding plate (84) is bolted to the upper left side of the rotating plate (83); and support rods (85) are respectively bolted to the left front and left rear sides of the bottom end of the shielding plate (84).
5. The miniature circuit breaker with communication function according to claim 1, characterized in that: The upper ends of the fixing plates (51) are respectively bolted to the right front and right rear of the bottom end of the circuit breaker housing (1); the bottom end of the wireless communication module (4) is inserted between the fixing plates (51); and the tightening screws (53) are respectively arranged in contact with the bottom end of the wireless communication module (4).
6. The miniature circuit breaker with communication function according to claim 2, characterized in that: The movable blocks (65) are respectively slidably penetrated through the inside of the adjustment holes (62); and bearings are provided at the connection between the fixed blocks (61) and the threaded rod (63).
7. The miniature circuit breaker with communication function according to claim 2, characterized in that: The fixing block (61) is bolted to the lower right side of the circuit breaker housing (1) and the power contact point (66) is connected to the power supply inside the circuit breaker housing (1) by a wire; the power contact point (66) is also arranged in contact with the power point of the wireless communication module (4).
8. The miniature circuit breaker with communication function as claimed in claim 2, characterized in that: The connecting block (71) is bolted to the lower middle part of the right side of the circuit breaker housing (1); and the oblique L-shaped clamping block (74) is respectively sleeved on the front right side and the rear right side of the upper end of the wireless communication module (4).
9. The miniature circuit breaker with communication function according to claim 3, characterized in that: The bottom end of the support plate (81) is bolted to the right side of the upper end of the circuit breaker housing (1); the bottom end of the support rod (85) is arranged in contact with the left side of the upper end of the circuit breaker housing (1).