Leakage voltage intelligent circuit breaker
By designing a double-layer sealed shell and automatic cleaning mechanism, the problem of salt deposition of circuit breakers in salt spray environment is solved, and the high reliability and stability of circuit breakers are achieved to ensure the safe operation of electrical equipment.
Patent Information
- Application Number
- CN202510598296.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2045-05-09
AI Technical Summary
When the circuit breaker works in a salt spray environment, the moisture and salt deposition in the salt spray affects its on-off effect and reliability, resulting in a reduction in the operation safety of electrical equipment.
A leakage voltage intelligent circuit breaker is designed, adopting a double-layer sealed shell structure, the inner shell and the sealed shell are combined with the cleaning frame, combined with the action mechanism, electromagnetic push rod and honeycomb hygroscopic block to achieve automatic cleaning and active blow-off of salt, enhancing sealing and reliability.
It improves the sealing and reliability of the circuit breaker, ensures stable operation in a salt spray environment, reduces salt spray interference, and improves the safety of electrical equipment.
Smart Images

Figure CN120341089A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of circuit breakers, and particularly to an intelligent leakage voltage circuit breaker. Background Art
[0002] A circuit breaker is a protective electrical component used to cut off the circuit connection during circuit short - circuit and overload, playing a protective role for the circuit and electrical appliances. Circuit breakers are widely used in various electrified devices. Currently, the main types of circuit breakers include thermal circuit breakers, magnetic circuit breakers, and ground - leakage circuit breakers, etc. The patent application with the publication number CN118335569A discloses an intelligent switch circuit breaker, which includes a housing. The housing is partitioned into an L - level and an N - level. Pins are respectively arranged on the L - level and the N - level. A communication groove is formed on the housing corresponding to the L - level and the N - level. A release mechanism is arranged on one side of the contact arm in the V - level. A leakage protector and a short - circuit protector are arranged in the L - level. The release mechanism includes a release coil. The short - circuit protector includes a short - circuit push rod and a short - circuit protection coil. The leakage protector includes a leakage push rod and a leakage protection coil. The release coil, the short - circuit protection coil, and the leakage protection coil are respectively connected to the corresponding pins. The short - circuit push rod extends into the leakage protector and abuts against the leakage push rod. A torsion spring and a connecting arm are also arranged in the N - level. The first arm of the torsion spring is arranged close to the connecting arm. The second arm of the torsion spring abuts against the release coil. A push button is arranged on the outer wall of the N - level, and a push - top arm extends from the push button into the N - level. The air in coastal areas contains a large amount of salt spray. When the circuit breaker works in a salt - spray environment, the moisture in the salt spray and the salt deposited after long - term accumulation will affect the on - off effect and reliability of the circuit breaker, and even affect the safety of the operation of electrical equipment. Summary of the Invention
[0003] In view of the deficiencies of the prior art, the present invention provides an intelligent leakage voltage circuit breaker to solve the problems raised in the above - mentioned background art.
[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: An intelligent leakage voltage circuit breaker includes an inner housing. A sealing housing is fixedly connected to the top of the inner housing. A first wiring terminal is fixedly connected inside the inner housing. An operating mechanism is fixedly connected inside the inner housing. A second wiring terminal is fixedly connected inside the inner housing. An arc - extinguishing chamber is fixedly connected inside the inner housing. A honeycomb moisture - absorbing block is fixedly connected inside the inner housing. A circuit module is fixedly connected inside the inner housing. An active blowing mechanism is fixedly connected to the back of the inner housing. The operating mechanism includes: A status rod. The status rod includes a vertical rod. The vertical rod is slidably connected to the back of the inner housing and is used to display the on - off status of the circuit breaker. An electromagnetic operating mechanism, which is rotatably connected to the right side of the state rod and is used to realize the connection and disconnection of the circuit breaker, thereby controlling the on-off of the circuit. A linkage rod, which is slidably connected to the front of the electromagnetic operating mechanism and is used to realize the cooperation between the operating mechanism and the sealing shell and clean the salt deposited inside the sealing shell.
[0005] Preferably, the inner shell is made of engineering plastic. A rectangular through-hole is provided on the back of the inner shell, and three circular through-holes are provided on the front of the inner shell. Rubber sealing strips are adhesively fixed inside the rectangular through-hole and the circular through-holes.
[0006] Preferably, the sealing shell includes an anti-corrosion shell made of stainless steel. Two circular through-holes are provided on the front of the anti-corrosion shell. The bottom of the inner wall of the anti-corrosion shell is fixedly connected to the bottom of the inner shell. A rectangular through-hole is provided on the back of the anti-corrosion shell. Two circular through-holes are provided on the front of the sealing shell. Rubber sealing strips are adhesively fixed inside the rectangular through-hole and the circular through-holes. A cleaning frame is slidably connected to the bottom of the inner wall of the anti-corrosion shell. The cleaning frame includes a frame body made of stainless steel. The frame body is located on the outer surface of the inner shell. Two rectangular through-holes are provided on the back of the frame body. A scraping cylinder is communicated with the front of the frame body. Rubber blocks are fixedly connected to the outer surface of the scraping cylinder. The surface of the scraping cylinder is slidably connected to the circular through-hole on the front of the anti-corrosion shell. An elastic metal strip is fixedly connected to the front inside the anti-corrosion shell. The elastic metal strip is made of stainless steel and is located at the bottom of the frame body. A rectangular through-hole is provided on the front of the elastic metal strip.
[0007] Preferably, the first terminal is located on the front of the operating mechanism. The bottom of the first terminal is fixedly connected to the bottom of the inner wall of the inner shell, and the front of the first terminal is fixedly connected to the front of the inner wall of the inner shell. Sealant is filled between the front of the first terminal and the front of the inner wall of the inner shell. A circular blind hole is provided on the front of the first terminal, and the circular blind hole is communicated with the circular through-hole on the front of the inner shell.
[0008] Preferably, the top of the vertical rod is slidably connected to the rectangular through-hole on the back of the inner shell. A rectangular through-hole is provided on the left side of the vertical rod, and the part of the vertical rod with the rectangular through-hole is located inside the anti-corrosion shell. At the same time, the top of the vertical rod is slidably connected to the rectangular through-holes on the anti-corrosion shell and the back of the frame body. A horizontal rotating rod is rotatably connected to the front of the vertical rod. The bottom of the horizontal rotating rod is rotatably connected to the bottom of the inner wall of the inner shell through a plastic column. An electromagnetic push rod is fixedly connected to the back of the inner wall of the inner shell. The electromagnetic push rod is electrically connected to the circuit module through a wire. The electromagnetic push rod is located behind the horizontal rotating rod. An elastic hook plate is clamped to the back of the inner wall of the inner shell. The elastic hook plate is made of stainless steel and is located on the right side of the electromagnetic push rod.
[0009] Preferably, the electromagnetic operating mechanism includes an operating plate which is slidably connected through a chute at the bottom of the inner shell inner wall. The top of the operating plate is fixedly connected to the back of the inner shell inner wall through a spring. A right-angled bent plate is fixedly connected to the right side of the operating plate. The right-angled bent plate is made of copper. A copper spacer is fixedly connected to the back of the right-angled bent plate. A coil winding is fixedly connected to the bottom of the inner shell inner wall. The bottom of the coil winding is fixedly connected to the right side of the first terminal through a copper bar. A core rod is slidably connected inside the coil winding. The core rod includes a core. The back of the core is fixedly connected to the inside of the coil winding through a spring. The back of the core rod is fixedly connected to the bottom of the operating plate through a rubber head. The front of the core rod is slidably connected to the back of the linkage rod. The surface of the linkage rod is slidably connected to the bottom of the inner shell inner wall through a plastic plate. The linkage rod is fixedly connected to the plastic plate through a spring. The surface of the linkage rod is slidably connected to a circular through-hole on the front of the inner shell. The front of the linkage rod is located at the back of the frame body.
[0010] Preferably, the second terminal includes an interface. A circular blind hole is opened at the bottom of the interface. The circular blind hole of the interface communicates with the circular through-hole on the front of the inner shell. A right-angled bent plate is fixedly connected to the right side of the interface. The left side of the right-angled bent plate is the electromagnetic operating mechanism. Sealing strips are fixedly connected to both the bottom and the top of the right-angled bent plate of the interface. The left and right sides of the interface are fixedly connected to the bottom of the inner shell inner wall through plastic plates. An arcing plate is fixedly connected to the left side of the interface. The back of the arcing plate is fixedly connected to the bottom of the inner shell through a plastic plate. An arc extinguishing chamber is fixedly connected to the left side of the arcing plate. The arc extinguishing chamber is located on the right side of the linkage rod. The arc extinguishing chamber is located in front of the electromagnetic operating mechanism.
[0011] Preferably, the honeycomb moisture absorption block is located at the back of the interface, on the right side of the arcing plate, and on the left side of the right-angled bent plate of the interface. A hexagonal through-hole is opened at the top of the honeycomb moisture absorption block. The honeycomb moisture absorption block is made of moisture-absorbing material.
[0012] Preferably, the circuit module includes a closed shell which is fixedly connected to the bottom of the inner shell inner wall, located behind the first terminal and in front of the status rod. A rectangular through-hole is opened at the top of the closed shell. A circuit board assembly is fixedly connected inside the closed shell. The circuit board assembly includes a circuit board and a single-chip microcomputer. The circuit board assembly is electrically connected to the electromagnetic operating mechanism. A humidity sensor is fixedly connected to the top of the circuit board assembly. The humidity sensor is electrically connected to the circuit board assembly.
[0013] Preferably, the active blowing mechanism includes a cup motor. A blade wheel is fixedly connected to the left side of the cup motor. The front of the active blowing mechanism is fixedly connected to the back of the inner shell. The active blowing mechanism is electrically connected to the circuit board assembly through a wire.
[0014] The present invention provides an intelligent leakage voltage circuit breaker, which has the following beneficial effects: 1. For this intelligent leakage voltage circuit breaker, by providing a double-layer housing of a sealing shell and an inner shell, and using the installation and cooperation between the sealing shell and the inner shell, the components inside the circuit breaker are isolated from external salt spray, improving the sealing performance of the circuit breaker. Through the cooperation of the sealing shell, the inner shell and the cleaning frame, the deposited salt entering the sealing shell of the circuit breaker can be cleaned, further improving the reliability of the circuit breaker.
[0015] 2. For this intelligent leakage voltage circuit breaker, by providing an operating mechanism and using a link structure to form a status rod, the on-off state of the circuit breaker can be marked, and the function of manually controlling the on-off state of the circuit breaker by operating the status rod is maintained, improving the reliability of the circuit breaker's operation. By using a circuit module in cooperation with an electromagnetic push rod, open-circuit protection can be achieved when salt appears inside the circuit breaker, further improving the reliability of the circuit breaker's operation.
[0016] 3. For this intelligent leakage voltage circuit breaker, by providing an iron core rod with metal rods connected to both ends inside the electromagnetic operating mechanism, and in cooperation with a linkage rod and a cleaning frame, the deposited salt inside the circuit breaker during its operation can be removed, thus realizing the automation of the cleaning process of the deposited salt by the circuit breaker and improving the reliability of the circuit breaker.
[0017] 4. For this intelligent leakage voltage circuit breaker, by providing a honeycomb moisture-absorbing block, it can prevent the moisture in the salt spray from affecting the working state of the internal components of the circuit breaker after entering the inner shell of the circuit breaker. By providing an active blowing mechanism and in cooperation with the circuit module, the sealing shell and the inner shell, the active blowing of the salt spray in the gap between the sealing shell and the inner shell is realized, reducing the interference of the salt spray on the circuit breaker and improving the reliability of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic diagram of the overall internal structure of the present invention; Figure 2 is a schematic diagram of the overall external structure of the present invention; Figure 3 is a schematic diagram of the positional relationship between the inner shell and the sealing shell of the present invention; Figure 4 is a schematic diagram of the overall internal structure of the inner shell of the present invention; Figure 5 is a schematic diagram of the overall structure of the cleaning frame of the present invention; Figure 6 is a schematic diagram of the positional relationship between this cleaning frame and the linkage rod; Figure 7 is a cross-sectional view of the positional relationship between the electromagnetic operating mechanism and the linkage rod of the present invention; Figure 8 is a cross-sectional view of the internal structure of the right-angle turning plate of the second terminal of the present invention; Figure 9 Schematic diagram of the internal structure of the circuit module of the present invention; Figure 10 Schematic diagram of the positional relationship between the active blowing mechanism and the inner shell of the present invention.
[0019] In the figure: 1. Inner shell; 2. Sealing shell; 21. Anti-corrosion shell; 22. Cleaning frame; 221. Frame body; 222. Scraping cylinder; 23. Elastic metal strip; 3. First wiring terminal; 4. Actuating mechanism; 41. Status rod; 411. Vertical rod; 412. Horizontal rotating rod; 413. Electromagnetic push rod; 414. Elastic hook plate; 42. Electromagnetic actuating mechanism; 421. Actuating plate; 422. L-shaped turning plate; 423. Iron core rod; 424. Coil winding; 43. Linking rod; 5. Second wiring terminal; 51. Interface; 52. Sealing strip; 53. Arc striking plate; 6. Arc extinguishing chamber; 7. Honeycomb moisture absorption block; 8. Circuit module; 81. Enclosure; 82. Circuit board assembly; 83. Humidity sensor; 9. Active blowing mechanism. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0021] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Embodiment 1
[0022] Please refer to Figure 1-7 , the present invention provides a technical solution: a leakage voltage intelligent circuit breaker, including an inner shell 1, the material of the inner shell 1 is engineering plastic, a rectangular through hole is opened on the back of the inner shell 1, and three circular through holes are opened on the front of the inner shell 1. Rubber sealing strips are adhesively bonded inside the rectangular through hole and the circular through holes to improve the sealing performance of the inner shell 1; A sealing shell 2 is fixedly connected to the top of the inner shell 1 for sealing the inner shell 1. The sealing shell 2 includes an anti-corrosion shell 21, the material of the anti-corrosion shell 21 is stainless steel. Two circular through holes are provided on the front of the anti-corrosion shell 21, and circular tubes are communicated with the circular through holes on the front of the anti-corrosion shell 21. The bottom of the inner wall of the anti-corrosion shell 21 is fixedly connected to the bottom of the inner shell 1. A rectangular through hole is provided on the back of the anti-corrosion shell 21, and two circular through holes are provided on the front of the sealing shell 2. Rubber sealing strips are adhesively bonded inside the rectangular through hole and the circular through holes to improve the sealing performance of the sealing shell 2. A cleaning frame 22 is slidably connected to the bottom of the inner wall of the anti-corrosion shell 21 for cleaning the deposited salt between the gap of the inner shell 1 and the sealing shell 2. The cleaning frame 22 includes a frame body 221, the material of the frame body 221 is stainless steel to reduce the corrosion of the circuit breaker by salt. The frame body 221 is located on the outer surface of the inner shell 1. Two rectangular through holes are provided on the back of the frame body 221. A scraping cylinder 222 is communicated with the front of the frame body 221. Rubber blocks are fixedly connected to the outer surface of the scraping cylinder 222. The surface of the scraping cylinder 222 is slidably connected to the inside of the circular tube on the front of the anti-corrosion shell 21. An elastic metal strip 23 is fixedly connected to the front of the inside of the anti-corrosion shell 21 for resetting the cleaning frame 22. The material of the elastic metal strip 23 is stainless steel. The elastic metal strip 23 is located at the bottom of the frame body 221, and a rectangular through hole is provided on the front of the elastic metal strip 23; A first wiring terminal 3 is fixedly connected inside the inner shell 1. The first wiring terminal 3 is located in front of the operating mechanism 4. The bottom of the first wiring terminal 3 is fixedly connected to the bottom of the inner wall of the inner shell 1, and the front of the first wiring terminal 3 is fixedly connected to the front of the inner wall of the inner shell 1. Sealant is filled between the front of the first wiring terminal 3 and the front of the inner wall of the inner shell 1. A circular blind hole is provided on the front of the first wiring terminal 3, and the circular blind hole is communicated with the circular through hole on the front of the inner shell 1; An operating mechanism 4 is fixedly connected inside the inner shell 1. The operating mechanism 4 includes: A status rod 41, the status rod 41 includes a vertical rod 411, the vertical rod 411 is slidably connected to the back of the inner shell 1 for displaying the on-off state of the circuit breaker. The top of the vertical rod 411 is slidably connected to the rectangular through hole on the back of the inner shell 1. A rectangular through hole is provided on the left side of the vertical rod 411, and the part of the vertical rod 411 where the rectangular through hole is provided is located inside the anti-corrosion shell 21. At the same time, the top of the vertical rod 411 is slidably connected to the rectangular through holes on the back of the anti-corrosion shell 21 and the frame body 221. A horizontal rotating rod 412 is rotatably connected to the front of the vertical rod 411. The bottom of the horizontal rotating rod 412 is rotatably connected to the bottom of the inner wall of the inner shell 1 through a plastic column. An electromagnetic push rod 413 is fixedly connected to the back of the inner wall of the inner shell 1. The electromagnetic push rod 413 is electrically connected to the circuit module 8 through a wire. The electromagnetic push rod 413 is located behind the horizontal rotating rod 412. An elastic hook plate 414 is clamped to the back of the inner wall of the inner shell 1. The material of the elastic hook plate 414 is stainless steel. The elastic hook plate 414 is located on the right side of the electromagnetic push rod 413; The electromagnetic operating mechanism 42 is rotatably connected to the right side of the state rod 41 and is used to connect and disconnect the circuit breaker, thereby controlling the on-off of the circuit. The electromagnetic operating mechanism 42 includes an operating plate 421. The operating plate 421 is slidably connected through a chute at the bottom of the inner wall of the inner shell 1. The top of the operating plate 421 is fixedly connected to the back of the inner wall of the inner shell 1 through a spring. A right-angled bent plate 422 is fixedly connected to the right side of the operating plate 421. The right-angled bent plate 422 is made of copper, and a copper spacer block is fixedly connected to the back of the right-angled bent plate 422. A coil winding 424 is fixedly connected to the bottom of the inner wall of the inner shell 1. The bottom of the coil winding 424 is fixedly connected to the right side of the first terminal 3 through a copper bar. The front of the right-angled bent plate 422 is electrically connected to the bottom of the coil winding 424 through a wire. A core rod 423 is slidably connected inside the coil winding 424 and is used to move under the electromagnetic force generated when the coil winding 424 is energized. The core rod 423 includes a core. The back of the core is fixedly connected to the inside of the coil winding 424 through a spring. The back of the core rod 423 is fixedly connected to the bottom of the operating plate 421 through a rubber head. The front of the core rod 423 is slidably connected to the back of the linkage rod 43. The surface of the linkage rod 43 is slidably connected to the bottom of the inner wall of the inner shell 1 through a plastic plate; The linkage rod 43 is slidably connected to the front of the electromagnetic operating mechanism 42 and is used to realize the cooperation between the operating mechanism 4 and the sealing shell 2 and clean the salt deposited inside the sealing shell 2. The linkage rod 43 is fixedly connected to the plastic plate through a spring. The surface of the linkage rod 43 is slidably connected to the circular through hole on the front of the inner shell 1. The front of the linkage rod 43 is located at the back of the frame body 221.
[0023] During use, the circuit breaker is erected and installed at the corresponding position inside the electrical equipment, with the vertical rod 411 at the top. At this time, both ends of the circuit are connected to this circuit breaker. The vertical rod 411 is pressed downward. The vertical rod 411 pushes one end of the horizontal rotating rod 412 downward, and the other end of the horizontal rotating rod 412 rises. The other end of the horizontal rotating rod 412 drives the operating plate 421 to slide upward. The top of the operating plate 421 squeezes the spring while sliding. The operating plate 421 drives the core rod 423 to slide upward. The core rod 423 squeezes the spring connected to the inside of the coil winding 424. The bottom of the core rod 423 and the top of the linkage rod 43 slide relative to each other. At the same time, the right-angled bent plate 422 slides upward together with the operating plate 421. When the operating plate 421 reaches the topmost position, the left side of the operating plate 421 squeezes the elastic hook plate 414, and the elastic hook plate 414 undergoes elastic deformation. As the operating plate 421 moves upward, the left side of the operating plate 421 finally engages with the right side of the elastic hook plate 414. At the same time, the copper spacer block at the top of the right-angled bent plate 422 fits against the bottom of the right-angled bent plate of the interface 51, completing the connection of the circuit. When the circuit breaker is working, the sealing shell 2 isolates the inner shell 1 from the external salt mist, preventing the salt mist from directly contacting the outer surface of the inner shell 1; When a short circuit occurs in the circuit, the current passing through the coil winding 424 increases, the electromagnetic force generated by the coil winding 424 increases, the iron core rod 423 moves downward under the electromagnetic force of the coil winding 424 and the elastic force of the spring, the iron core rod 423 drives the action plate 421 to move downward, the action plate 421 squeezes the elastic hook plate 414 downward, causing elastic deformation of the elastic hook plate 414, and finally disengaging from the elastic hook plate 414. The action plate 421 drives the L-shaped turning plate 422 to slide downward, finally causing the L-shaped turning plate 422 to disengage from the right-angle turning plate of the interface 51. At the same time, the action plate 421 drives the other end of the transverse rotating rod 412 to rotate downward, and the end of the transverse rotating rod 412 connected to the vertical rod 411 moves upward, and the vertical rod 411 slides upward; When the bottom of the iron core rod 423 moves downward, the bottom of the iron core rod 423 pushes the linkage rod 43 to slide downward, the bottom of the linkage rod 43 pushes the frame 221 to slide downward, and at the same time, the bottom of the frame 221 squeezes the elastic metal strip 23. The bottom of the frame 221 slides downward, and the top of its inner surface collides with the top of the inner shell 1. Since the frame 221 is made of stainless steel and has a certain elasticity, certain vibrations will be generated during the collision, thereby loosening the deposited salt. At the same time, the scraping cylinder 222 moves downward interactively, and the metal block on the surface of the scraping cylinder 222 scrapes the deposited salt inside the circular tube of the anti-corrosion shell 21. When the circuit breaker resumes connection, the iron core rod 423 slides upward, releasing the push on the linkage rod 43. The linkage rod 43 resets under the action of the spring elastic force, releasing the push on the cleaning frame 22 and the elastic metal strip 23. The cleaning frame 22 resets under the action of the elastic force of the elastic metal strip 23. Embodiment 2
[0024] Please refer to Figure 1-8 , based on Embodiment 1, the present invention provides a technical solution: a second wiring terminal 5 is fixedly connected inside the inner shell 1. The second wiring terminal 5 includes an interface 51. A circular blind hole is opened at the bottom of the interface 51, and the circular blind hole of the interface 51 communicates with the circular through hole on the front surface of the inner shell 1. A right-angle turning plate is fixedly connected to the right side of the interface 51. The electromagnetic action mechanism 42 is on the left side of the right-angle turning plate of the interface 51. Sealing strips 52 are fixedly connected to both the bottom and the top of the right-angle turning plate of the interface 51. The left and right sides of the interface 51 are fixedly connected to the bottom of the inner wall of the inner shell 1 through plastic plates. An arc guiding plate 53 is fixedly connected to the left side of the interface 51, and the back of the arc guiding plate 53 is fixedly connected to the bottom of the inner shell 1 through a plastic plate; An arc extinguishing chamber 6 is fixedly connected inside the inner shell 1. The arc extinguishing chamber 6 is a metal grid type magnetic blow arc extinguishing chamber. The arc extinguishing chamber 6 is a prior art. The arc guiding plate 53 is fixedly connected to the left side of the arc extinguishing chamber 6. The arc extinguishing chamber 6 is located on the right side of the linkage rod 43 and in front of the electromagnetic action mechanism 42, and is used to absorb the arc generated during the breaking process; Inside the inner shell 1, a honeycomb moisture-absorbing block 7 is fixedly connected. The honeycomb moisture-absorbing block 7 is located on the back of the interface 51, to the right of the arc striking plate 53, to the left of the right-angle turning plate of the interface 51. A hexagonal through-hole is provided at the top of the honeycomb moisture-absorbing block 7, and the material of the honeycomb moisture-absorbing block 7 is a moisture-absorbing material.
[0025] During use, in the first embodiment, the two ends of the wire of the circuit are respectively connected to the circular blind holes at the bottoms of the first terminal 3 and the second terminal 5. The current flows from the first terminal 3 to the coil winding 424, through the wire from the coil winding 424 to the L-shaped turning plate 422, from the L-shaped turning plate 422 to the right-angle turning plate of the interface 51, and finally flows out through the interface 51. During the short-circuit and open-circuit process of the first embodiment, an arc is generated during the process of the L-shaped turning plate 422 separating from the right-angle turning plate of the interface 51. The arc is transmitted to the arc extinguishing chamber 6 through the L-shaped turning plate 422 and the arc striking plate 53. The arc is divided inside the arc extinguishing chamber 6 to finally complete arc extinguishing. If an overload occurs, the left end of the right-angle turning plate of the interface 51 gradually heats up under the load state and undergoes a downward bending deformation. After the bending deformation, it pushes the L-shaped turning plate 422 to move downward, and finally executes the process of the L-shaped turning plate 422 separating from the right-angle turning plate of the interface 51 in the first embodiment. If salt spray enters the inside of the inner shell 1, the moisture in the salt spray is absorbed by the honeycomb moisture-absorbing block 7, preventing the moisture in the salt spray from interfering with the connection process of the circuit breaker. Embodiment Three
[0026] Please refer to Figure 1-10 , based on the first and second embodiments, the present invention provides a technical solution: A circuit module 8 is fixedly connected inside the inner shell 1. The circuit module 8 includes a closed shell 81, and the closed shell 81 is fixedly connected to the bottom of the inner wall of the inner shell 1. The closed shell 81 is located on the back of the first terminal 3 and in front of the state rod 41. A rectangular through-hole is provided at the top of the closed shell 81. A circuit board assembly 82 is fixedly connected inside the closed shell 81. The circuit board assembly 82 includes a circuit board and a single-chip microcomputer. The circuit board assembly 82 is electrically connected to the electromagnetic operating mechanism 42. A humidity sensor 83 is fixedly connected to the top of the circuit board assembly 82, and the humidity sensor 83 is electrically connected to the circuit board assembly 82. A main blowing mechanism 9 is fixedly connected to the back of the inner shell 1. The main blowing mechanism 9 includes a coreless motor, a blade wheel is fixedly connected to the left side of the coreless motor. The front of the main blowing mechanism 9 is fixedly connected to the back of the inner shell 1, and the main blowing mechanism 9 is electrically connected to the circuit board assembly 82 through a wire.
[0027] In use, during the connection process of the circuit breaker, the humidity sensor 83 continuously detects the humidity inside the inner shell 1. When the humidity data detected by the humidity sensor 83 exceeds the safe range, the single-chip microcomputer of the circuit board assembly 82 controls the elastic hook plate 414 to start. After the elastic hook plate 414 starts, it pushes the end of the transverse rotating rod 412 close to the actuating plate 421 downward, and finally executes the breaking process in the first embodiment to prevent potential safety hazards caused by the circuit breaker operating in a humidity environment outside the safe range. During the connection process of the circuit breaker, the circuit board assembly 82 controls the start of the cup motor of the active blowing mechanism 9. The cup motor drives the blade wheel to rotate, and the rotation of the blade wheel generates an air flow. The air flow promotes the flow of the gas in the gap between the inner shell 1 and the anti-corrosion shell 21, preventing the deposition of salts in the salt mist.
[0028] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.
Claims
1. An intelligent leakage voltage circuit breaker, comprising an inner shell (1), characterized in that: A sealing shell (2) is fixedly connected to the top of the inner shell (1). A first terminal (3) is fixedly connected inside the inner shell (1). An operating mechanism (4) is fixedly connected inside the inner shell (1). A second terminal (5) is fixedly connected inside the inner shell (1). An arc extinguishing chamber (6) is fixedly connected inside the inner shell (1). A honeycomb moisture absorption block (7) is fixedly connected inside the inner shell (1). A circuit module (8) is fixedly connected inside the inner shell (1). An active blowing mechanism (9) is fixedly connected to the back of the inner shell (1). The operating mechanism (4) includes: A status rod (41). The status rod (41) includes a vertical rod (411). The vertical rod (411) is slidably connected to the back of the inner shell (1) and is used to display the on / off status of the circuit breaker. An electromagnetic operating mechanism (42). The electromagnetic operating mechanism (42) is rotatably connected to the right side of the status rod (41) and is used to connect and disconnect the circuit breaker, thereby controlling the on / off of the circuit. A linkage rod (43). The linkage rod (43) is slidably connected to the front of the electromagnetic operating mechanism (42) and is used to cooperate between the operating mechanism (4) and the sealing shell (2) to clean the salt deposited inside the sealing shell (2).
2. The intelligent leakage voltage circuit breaker according to claim 1, characterized in that: The inner shell (1) is made of engineering plastic. A rectangular through hole is formed in the back of the inner shell (1), and three circular through holes are formed in the front of the inner shell (1). Rubber sealing strips are adhesively bonded inside the rectangular through hole and the circular through holes.
3. The intelligent leakage voltage circuit breaker according to claim 2, characterized in that: The sealing shell (2) includes an anti-corrosion shell (21). The anti-corrosion shell (21) is made of stainless steel. Two circular through holes are formed in the front of the anti-corrosion shell (21). The bottom of the inner wall of the anti-corrosion shell (21) is fixedly connected to the bottom of the inner shell (1). A rectangular through hole is formed in the back of the anti-corrosion shell (21). Two circular through holes are formed in the front of the sealing shell (2). Rubber sealing strips are adhesively bonded inside the rectangular through hole and the circular through holes. A cleaning frame (22) is slidably connected to the bottom of the inner wall of the anti-corrosion shell (21). The cleaning frame (22) includes a frame body (221). The frame body (221) is made of stainless steel. The frame body (221) is located on the outer surface of the inner shell (1). Two rectangular through holes are formed in the back of the frame body (221). A scraping cylinder (222) is communicated with the front of the frame body (221). Rubber blocks are fixedly connected to the outer surface of the scraping cylinder (222). The surface of the scraping cylinder (222) is slidably connected to the circular through hole in the front of the anti-corrosion shell (21). An elastic metal strip (23) is fixedly connected to the front of the inside of the anti-corrosion shell (21). The elastic metal strip (23) is made of stainless steel. The elastic metal strip (23) is located at the bottom of the frame body (221). A rectangular through hole is formed in the front of the elastic metal strip (23).
4. The intelligent leakage voltage circuit breaker according to claim 1, characterized in that: The first terminal (3) is located on the front of the actuating mechanism (4). The bottom of the first terminal (3) is fixedly connected to the bottom of the inner wall of the inner shell (1), and the front of the first terminal (3) is fixedly connected to the front of the inner wall of the inner shell (1). A sealant is filled between the front of the first terminal (3) and the front of the inner wall of the inner shell (1). A circular blind hole is formed in the front of the first terminal (3), and the circular blind hole communicates with the circular through hole on the front of the inner shell (1).
5. The intelligent leakage voltage circuit breaker according to claim 3, wherein: The top of the vertical rod (411) is slidably connected to the rectangular through hole on the back of the inner shell (1). A rectangular through hole is formed on the left side of the vertical rod (411), and the part of the vertical rod (411) where the rectangular through hole is formed is located inside the anti-corrosion shell (21). At the same time, the top of the vertical rod (411) is slidably connected to the rectangular through holes on the backs of the anti-corrosion shell (21) and the frame (221). A horizontal rotating rod (412) is rotatably connected to the front of the vertical rod (411). The bottom of the horizontal rotating rod (412) is rotatably connected to the bottom of the inner wall of the inner shell (1) through a plastic column. An electromagnetic push rod (413) is fixedly connected to the back of the inner wall of the inner shell (1). The electromagnetic push rod (413) is electrically connected to the circuit module (8) through a wire. The electromagnetic push rod (413) is located behind the horizontal rotating rod (412). An elastic hook plate (414) is clamped on the back of the inner wall of the inner shell (1). The elastic hook plate (414) is made of stainless steel, and the elastic hook plate (414) is located on the right side of the electromagnetic push rod (413).
6. An intelligent leakage voltage circuit breaker according to claim 5, characterized in that: The electromagnetic actuating mechanism (42) includes an actuating plate (421). The actuating plate (421) is slidably connected through the chute at the bottom of the inner wall of the inner shell (1). The top of the actuating plate (421) is fixedly connected to the back of the inner wall of the inner shell (1) through a spring. An L-shaped turning plate (422) is fixedly connected to the right side of the actuating plate (421). The L-shaped turning plate (422) is made of copper, and a copper pad is fixedly connected to the back of the L-shaped turning plate (422). A coil winding (424) is fixedly connected to the bottom of the inner wall of the inner shell (1). The bottom of the coil winding (424) is fixedly connected to the right side of the first terminal (3) through a copper bar. An iron core rod (423) is slidably connected inside the coil winding (424). The iron core rod (423) includes an iron core, and the back of the iron core is fixedly connected to the inside of the coil winding (424) through a spring. The back of the iron core rod (423) is fixedly connected to the bottom of the actuating plate (421) through a rubber head. The front of the iron core rod (423) is slidably connected to the back of the linkage rod (43). The surface of the linkage rod (43) is slidably connected to the bottom of the inner wall of the inner shell (1) through a plastic plate. The linkage rod (43) is fixedly connected to the plastic plate through a spring. The surface of the linkage rod (43) is slidably connected to the circular through hole on the front of the inner shell (1). The front of the linkage rod (43) is located on the back of the frame (221).
7. An intelligent leakage voltage circuit breaker according to claim 1, characterized in that: The second terminal (5) includes an interface (51). A circular blind hole is formed at the bottom of the interface (51). The circular blind hole of the interface (51) communicates with the circular through hole on the front surface of the inner shell (1). A right-angled bent plate is fixedly connected to the right side of the interface (51). The electromagnetic action mechanism (42) is on the left side of the right-angled bent plate. Sealing strips (52) are fixedly connected to both the bottom and the top of the right-angled bent plate of the interface (51). The left and right sides of the interface (51) are fixedly connected to the bottom of the inner wall of the inner shell (1) through plastic plates. An arc-drawing plate (53) is fixedly connected to the left side of the interface (51). The back of the arc-drawing plate (53) is fixedly connected to the bottom of the inner shell (1) through a plastic plate. An arc extinguishing chamber (6) is fixedly connected to the left side of the arc-drawing plate (53). The arc extinguishing chamber (6) is located on the right side of the linkage rod (43). The arc extinguishing chamber (6) is located in front of the electromagnetic action mechanism (42).
8. An intelligent leakage voltage circuit breaker according to claim 7, characterized in that: The honeycomb moisture absorption block (7) is located on the back of the interface (51), on the right side of the arc-drawing plate (53), and on the left side of the right-angled bent plate of the interface (51). A hexagonal through hole is formed at the top of the honeycomb moisture absorption block (7). The honeycomb moisture absorption block (7) is made of a moisture absorption material.
9. An intelligent leakage voltage circuit breaker according to claim 8, characterized in that: The circuit module (8) includes a closed shell (81). The closed shell (81) is fixedly connected to the bottom of the inner wall of the inner shell (1). The closed shell (81) is located on the back of the first terminal (3) and in front of the status rod (41). A rectangular through hole is formed at the top of the closed shell (81). A circuit board assembly (82) is fixedly connected inside the closed shell (81). The circuit board assembly (82) includes a circuit board and a single-chip microcomputer. The circuit board assembly (82) is electrically connected to the electromagnetic action mechanism (42). A humidity sensor (83) is fixedly connected to the top of the circuit board assembly (82). The humidity sensor (83) is electrically connected to the circuit board assembly (82).
10. An intelligent leakage voltage circuit breaker according to claim 1, characterized in that: The active blowing mechanism (9) includes a cup-shaped motor. A blade wheel is fixedly connected to the left side of the cup-shaped motor. The front of the active blowing mechanism (9) is fixedly connected to the back of the inner shell (1). The active blowing mechanism (9) is electrically connected to the circuit board assembly (82) through a wire.
Citation Information
Patent Citations
Intelligent switch circuit breaker
CN118335569A
Hydraulic electromagnetic type circuit breaker with improved structure
CN102386037A
Intelligent circuit breaker of double-electromagnet structure
CN103617929A
Solid-sealed polar pole type circuit breaker
CN112563070A
Uninterruptible power supply low-voltage generator car
CN115649035A