CN118629834A - Detachable protection module and circuit breaker thereof - Google Patents
Detachable protection module and circuit breaker thereof Download PDFInfo
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- CN118629834A CN118629834A CN202411097177.8A CN202411097177A CN118629834A CN 118629834 A CN118629834 A CN 118629834A CN 202411097177 A CN202411097177 A CN 202411097177A CN 118629834 A CN118629834 A CN 118629834A
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- 239000002184 metal Substances 0.000 claims abstract description 149
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 230000005389 magnetism Effects 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000001771 impaired effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a detachable protection module and a circuit breaker thereof, which belong to the technical field of circuit breakers, and the scheme is provided that the circuit breaker comprises a closing module and a tripping module, wherein a connecting structure is arranged in the closing module, an elastic structure and a conductive structure are arranged on the connecting structure, and a magnetic attraction structure and an adjusting structure for adjusting the magnetic attraction structure are arranged on the tripping module; through setting up elastic construction and magnetism and inhale the structure, after the extrusion piece extrudees the metal connecting block for inside the metal connecting block shrink-in closing module, operating personnel can be according to actual demand, changes to closing module or tripping module, and this circuit breaker adopts the modularization design theory, when taking place the short circuit and leading to partial subassembly impaired, operating personnel need not whole change circuit breaker, only need replace to impaired module, is showing and has reduced maintenance cost, has shortened down time, has improved availability and the maintenance efficiency of system.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a detachable protection module and a circuit breaker thereof.
Background
Intelligent dc metering and control devices typically use circuit breaker modules to effect open and close control of the circuit. A circuit breaker module is an electronic component for protecting electrical circuits and equipment that is capable of detecting and responding to overload, short-circuit and other fault conditions in the circuit to protect the equipment and personnel. The breaker module plays an important role in intelligent direct current metering and control equipment, can protect the safety of circuits and equipment, and provides flexible control and management functions. The specific breaker module design and configuration may be selected and customized based on the needs of the equipment and the requirements of the system.
The internal construction of conventional circuit breakers generally employs a secure, non-modular, fixed connection, which, although ensuring to some extent the structural stability of the circuit breaker, is nevertheless imperative in the face of component failure. Once key components such as a closing module, a tripping module and the like are damaged, maintenance personnel often have to take an integral disassembly mode to touch and replace a fault part due to the tight coupling between the key components and the main body of the circuit breaker, the process is tedious and time-consuming, the complexity and the technical difficulty of maintenance work are increased, the maintenance cost is improved, the stability and the reliability of a system can be influenced due to long-time shutdown, and the risk of future faults is increased. In view of the above, the present disclosure provides a detachable protection module and a circuit breaker thereof.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a detachable protection module and a circuit breaker thereof, wherein the detachable protection module only needs to replace a damaged module, so that the maintenance cost is obviously reduced, the downtime is shortened, and the usability and the maintenance efficiency of a system are improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The detachable protection module and the circuit breaker thereof comprise a closing module and a tripping module, wherein a connecting structure is arranged in the closing module, an elastic structure and a conductive structure are arranged on the connecting structure, a magnetic attraction structure and an adjusting structure for adjusting the magnetic attraction structure are arranged on the tripping module, a heat dissipation structure for assisting heat dissipation is arranged on the tripping module, and when the magnetic attraction structure moves, the heat dissipation structure is adjusted;
The connecting structure comprises a mounting frame fixedly connected to the inside of the closing module, a metal connecting block is rotationally connected to the top end of the mounting frame, the elastic structure comprises a mounting plate which is slidably connected to the outer wall of the mounting frame, a movable sleeve is slidably connected to the mounting plate, a connecting rod is fixedly connected to the top of the movable sleeve, the top end of the connecting rod is rotationally connected with the metal connecting block, and a first spring is fixedly connected to the bottom end of the mounting plate;
The magnetic attraction structure comprises a metal column which is connected to the top end of the tripping module in a sliding mode and an extrusion block which is connected to the side face of the tripping module in a sliding mode, a connecting plate is fixedly connected to the metal column, a first pushing plate is connected to the side face of the connecting plate in a rotating mode, and one end, away from the connecting plate, of the first pushing plate is connected with the extrusion block in a rotating mode.
Preferably, the bottom and the mounting bracket fixed connection of first spring, first spring winding is in the mounting bracket outer wall, just first spring drive mounting panel is keeping away from the motion of mounting bracket bottom.
Preferably, the top of the metal connecting block is fixedly connected with a rubber lug, and the end part of the rubber lug is arc-shaped.
Preferably, the conductive structure comprises a first metal sheet fixedly connected to the mounting frame, a first wire is fixedly connected to the top of the first metal sheet, and the first wire is connected with the metal connecting block.
Preferably, the shape of the end part of the extrusion block is triangular, a limit groove is formed in the bottom of the extrusion block, and the rubber lug is selectively clamped in the limit groove.
Preferably, the adjusting structure comprises a driving frame which is connected inside the tripping module in a sliding manner, the driving frame is fixedly connected with the extrusion block, a pulling block is fixedly connected on the driving frame, the pulling block is connected inside the tripping module in a sliding manner, and the end part of the pulling block extends out of the tripping module.
Preferably, the driving frame is fixedly connected with a second spring and a telescopic rod, one ends of the second spring and the telescopic rod, which are far away from the driving frame, are fixedly connected with the tripping module, and the second spring is sleeved on the outer wall of the telescopic rod.
Preferably, the heat radiation structure includes the heat dissipation cabinet of fixed connection in tripping module inside, the inside sliding connection of heat dissipation cabinet has the second push plate, heat dissipation cabinet top intercommunication has the guide duct, the top of second push plate sets up to sealed the pad, the bottom fixedly connected with metal block of second push plate, just metal block and connecting plate fixed connection, the connecting plate passes through metal block drive second push plate and reciprocates in the heat dissipation cabinet inside.
The utility model provides a circuit breaker, assembles in a detachable protection module, includes the circuit breaker body, the inside arc chamber internally mounted of circuit breaker body has a plurality of arc extinguishing bars piece, first conducting strip and second conducting strip are installed respectively to the top and the bottom of circuit breaker body, just install metal coil on the circuit breaker body, through wire connection between first conducting strip and the metal coil, just be connected with the metal contact plate through the second wire on the metal coil, the metal contact plate is installed inside the circuit breaker body, there is the second metal sheet through wire connection on the second conducting strip, second metal sheet fixed connection is inside the circuit breaker body.
Preferably, the closing module and the tripping module are both detachably mounted inside the circuit breaker body, when the closing module is mounted inside the circuit breaker body, the second metal sheet is attached to the first metal sheet, and the metal connecting block selectively contacts with the metal contact plate, and when the tripping module is mounted inside the closing module, the air guide pipe penetrates through the arc chamber of the circuit breaker body and is aligned with the arc extinguishing grid sheet.
Compared with the prior art, the invention provides the detachable protection module and the circuit breaker thereof, which have the following beneficial effects:
1. This detachable protection module and circuit breaker thereof through setting up elastic construction and magnetism and inhaling the structure, when operating personnel uses the device, when the inside short circuit condition that takes place of electrical system, the current value rises, make the inside stronger magnetic field that forms of metal coil, thereby make the metal column do the motion that is close to metal coil, the metal column promotes the extrusion piece through connecting plate and first impeller, make extrusion piece extrude the metal connecting block, thereby make the metal connecting block remove the contact with the spacing groove, thereby cut off the circuit, after extrusion piece extrudes the metal connecting block, make the metal connecting block shrink into inside the closing module, operating personnel can change closing module or tripping module according to actual demand, this circuit breaker adopts the modularization design theory, when taking place the short circuit and leading to partial subassembly impaired, operating personnel need not whole change circuit breaker, only need replace to impaired module, the maintenance cost is significantly reduced, downtime has been shortened, usability and maintenance efficiency of system have been improved.
2. The detachable protection module and the circuit breaker thereof can rapidly respond when a short circuit occurs through a carefully designed heat dissipation structure, the circuit breaker not only effectively cuts off a circuit, but also synchronously starts a high-efficiency heat dissipation process, when a metal connecting block is separated from a metal contact plate, generated electric arcs are immediately guided into an arc extinguishing grid sheet, the process not only limits the diffusion of the electric arcs, but also rapidly cools the electric arcs by utilizing the physical segmentation effect of the arc extinguishing grid sheet, the influence of high temperature on equipment is reduced, meanwhile, the connecting plate is mechanically linked with a metal block, a second pushing plate is driven to move in a heat dissipation cabinet, the action skillfully utilizes an aerodynamic principle, external cold air is efficiently introduced into an arc chamber inside the circuit breaker body through an air guide pipe, the forced air cooling is directly carried out on the arc extinguishing grid sheet and surrounding areas, the high temperature generated by the electric arcs is obviously reduced, and the stable operation of the circuit breaker and an electric system is ensured.
3. This detachable protection module and circuit breaker thereof through setting up electrically conductive structure, when the module of closing a floodgate is by the accurate installation in circuit breaker body time, and seamless laminating can be realized to first sheetmetal and second sheetmetal, and this process has not only guaranteed the stability of electric contact, has still eliminated the resistance increase, the increase scheduling problem that generates heat that probably leads to because of the contact failure, and this kind of accurate butt joint mechanism has guaranteed that device internal circuit still can smooth and easy intercommunication under complicated operating mode, provides firm electrical basis for the normal work of device.
Drawings
Fig. 1 is a perspective view of a detachable protection module and a circuit breaker thereof according to the present invention;
fig. 2 is a view showing a connection structure of a closing module, a trip module and a circuit breaker body of the present invention;
Fig. 3 is a view of a cross section of a circuit breaker body of the present invention;
FIG. 4 is a view of the closing module, mounting bracket, metal connection block, mounting plate, movable sleeve, connecting rod and first spring connection structure of the present invention;
FIG. 5 is a view of the mounting plate, the movable sleeve and the connecting rod connection structure of the present invention;
FIG. 6 is a view of the trip module, metal posts, extrusion blocks, connecting plates, and first pusher plate connection structure of the present invention;
FIG. 7 is a view of the metal post, extrusion block, connection plate, first pusher plate and adjustment structure connection structure of the present invention;
FIG. 8 is a view of the squeeze block, drive frame, pull block, second spring and telescoping rod connection arrangement of the present invention;
fig. 9 is a view showing a connection structure of the heat dissipation cabinet, the second pushing plate, the air guide pipe and the metal block according to the present invention.
In the figure: 1. a closing module; 2. a connection structure; 201. a mounting frame; 202. a metal connecting block; 203. rubber bumps; 3. an elastic structure; 301. a mounting plate; 302. a movable sleeve; 303. a connecting rod; 304. a first spring; 4. a conductive structure; 401. a first metal sheet; 402. a first wire; 5. a tripping module; 6. a magnetic attraction structure; 601. a metal column; 602. extruding a block; 603. a connecting plate; 604. a first push plate; 605. a limit groove; 7. an adjustment structure; 701. a drive rack; 702. pulling the block; 703. a second spring; 704. a telescopic rod; 8. a heat dissipation structure; 801. a heat dissipation cabinet; 802. a second pushing plate; 803. an air guide pipe; 804. a metal block; 9. a circuit breaker body; 901. arc extinguishing grid plates; 902. a first conductive sheet; 903. a metal coil; 904. a second wire; 905. a metal contact plate; 906. a second conductive sheet; 907. and a second metal sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1: referring to fig. 1-8, a detachable protection module and a circuit breaker thereof, the detachable protection module comprises a closing module 1 and a tripping module 5, wherein a connecting structure 2 is arranged in the closing module 1, an elastic structure 3 and a conductive structure 4 are arranged on the connecting structure 2, a magnetic attraction structure 6 and an adjusting structure 7 for adjusting the magnetic attraction structure 6 are arranged on the tripping module 5, a heat dissipation structure 8 for assisting heat dissipation is arranged on the tripping module 5, and when the magnetic attraction structure 6 moves, the heat dissipation structure 8 is adjusted;
The connecting structure 2 comprises a mounting frame 201 fixedly connected to the inside of the closing module 1, the top end of the mounting frame 201 is rotationally connected with a metal connecting block 202, the elastic structure 3 comprises a mounting plate 301 which is slidably connected to the outer wall of the mounting frame 201, a movable sleeve 302 is slidably connected to the mounting plate 301, the top of the movable sleeve 302 is fixedly connected with a connecting rod 303, the top end of the connecting rod 303 is rotationally connected with the metal connecting block 202, and the bottom end of the mounting plate 301 is fixedly connected with a first spring 304;
The magnetic attraction structure 6 comprises a metal column 601 which is connected to the top end of the tripping module 5 in a sliding mode and an extrusion block 602 which is connected to the side face of the tripping module 5 in a sliding mode, a connecting plate 603 is fixedly connected to the metal column 601, a first pushing plate 604 is connected to the side face of the connecting plate 603 in a rotating mode, and one end, away from the connecting plate 603, of the first pushing plate 604 is connected with the extrusion block 602 in a rotating mode.
In the invention, the bottom end of the first spring 304 is fixedly connected with the mounting frame 201, the first spring 304 is wound on the outer wall of the mounting frame 201, the first spring 304 drives the mounting plate 301 to move away from the bottom end of the mounting frame 201, the top of the metal connecting block 202 is fixedly connected with the rubber lug 203, the end part of the rubber lug 203 is arranged in an arc shape, the mounting plate 301 is always moved away from the bottom end of the mounting frame 201 by the elastic force of the first spring 304 through the arrangement of the first spring 304, and the metal connecting block 202 can be stably contacted with the metal contact plate 905 under the cooperation of the movable sleeve 302 and the connecting rod 303, so that the electrical system can be in a normal connection state, and the stability of the device is ensured.
According to the invention, the conductive structure 4 comprises the first metal sheet 401 fixedly connected to the mounting frame 201, the first lead 402 is fixedly connected to the top of the first metal sheet 401, and the first lead 402 is connected with the metal connecting block 202, and by arranging the first metal sheet 401 and the first lead 402, when the closing module 1 is precisely installed in the breaker body 9, the first metal sheet 401 and the second metal sheet 907 can be in seamless joint, so that the process not only ensures the stability of electrical contact, but also eliminates the problems of increased resistance, increased heat and the like possibly caused by poor contact, and the precise joint mechanism ensures that the internal circuits of the device can be smoothly communicated under complex working conditions, thereby providing a solid electrical foundation for the normal operation of the device.
According to the invention, the end part of the extrusion block 602 is triangular, the bottom of the extrusion block 602 is provided with the limit groove 605, the rubber lug 203 is selectively clamped in the limit groove 605, through the arrangement of the limit groove 605 and the rubber lug 203, when a short circuit condition occurs in an electrical system, a current value rises, so that a stronger magnetic field is formed in the metal coil 903, the metal column 601 moves close to the metal coil 903, the metal column 601 pushes the extrusion block 602 through the connecting plate 603 and the first pushing plate 604, the extrusion block 602 extrudes the metal connecting block 202, the metal connecting block 202 is released from contact with the limit groove 605, a circuit is cut off, and the rubber lug 203 is clamped in the limit groove 605, so that the limit effect of the extrusion block 602 on the metal connecting block 202 is ensured, the metal connecting block 202 and the metal contact plate 905 are stably in a cut-off state, and the safety is high.
In the invention, the adjusting structure 7 comprises a driving frame 701 which is slidably connected inside the tripping module 5, the driving frame 701 is fixedly connected with the extrusion block 602, a pulling block 702 is fixedly connected on the driving frame 701, the pulling block 702 is slidably connected inside the tripping module 5, the end part of the pulling block 702 extends out of the tripping module 5, a second spring 703 and a telescopic rod 704 are fixedly connected on the driving frame 701, one ends of the second spring 703 and the telescopic rod 704, which are far away from the driving frame 701, are fixedly connected with the tripping module 5, the second spring 703 is sleeved on the outer wall of the telescopic rod 704, and by arranging the second spring 703, the driving frame 701 and the pulling block 702, after an operator checks and repairs the electrical system fault, the operator can pull the pulling block 702, and the pulling block 702 drives the extrusion block 602 to move far away from the metal contact plate 905 through the driving frame 701, so that the limiting groove 605 is automatically separated from the limiting fixation of the rubber bump 203, and the metal connecting block 202 can normally contact with the metal contact plate 905, thereby completing circuit connection.
Example 2: referring to fig. 1-9, a detachable protection module and a circuit breaker thereof, the detachable protection module comprises a closing module 1 and a tripping module 5, wherein a connecting structure 2 is arranged in the closing module 1, an elastic structure 3 and a conductive structure 4 are arranged on the connecting structure 2, a magnetic attraction structure 6 and an adjusting structure 7 for adjusting the magnetic attraction structure 6 are arranged on the tripping module 5, a heat dissipation structure 8 for assisting heat dissipation is arranged on the tripping module 5, and when the magnetic attraction structure 6 moves, the heat dissipation structure 8 is adjusted;
The connecting structure 2 comprises a mounting frame 201 fixedly connected to the inside of the closing module 1, the top end of the mounting frame 201 is rotationally connected with a metal connecting block 202, the elastic structure 3 comprises a mounting plate 301 which is slidably connected to the outer wall of the mounting frame 201, a movable sleeve 302 is slidably connected to the mounting plate 301, the top of the movable sleeve 302 is fixedly connected with a connecting rod 303, the top end of the connecting rod 303 is rotationally connected with the metal connecting block 202, and the bottom end of the mounting plate 301 is fixedly connected with a first spring 304;
The magnetic attraction structure 6 comprises a metal column 601 which is connected to the top end of the tripping module 5 in a sliding mode and an extrusion block 602 which is connected to the side face of the tripping module 5 in a sliding mode, a connecting plate 603 is fixedly connected to the metal column 601, a first pushing plate 604 is connected to the side face of the connecting plate 603 in a rotating mode, and one end, away from the connecting plate 603, of the first pushing plate 604 is connected with the extrusion block 602 in a rotating mode.
In the invention, the bottom end of the first spring 304 is fixedly connected with the mounting frame 201, the first spring 304 is wound on the outer wall of the mounting frame 201, the first spring 304 drives the mounting plate 301 to move away from the bottom end of the mounting frame 201, the top of the metal connecting block 202 is fixedly connected with the rubber lug 203, the end part of the rubber lug 203 is arranged in an arc shape, the mounting plate 301 is driven to move away from the bottom end of the mounting frame 201 by the elastic force of the first spring 304 through the arrangement of the first spring 304, and the metal connecting block 202 can be stably contacted with the metal contact plate 905 under the cooperation of the movable sleeve 302 and the connecting rod 303, so that the electrical system can be in a normal connection state, and the stability of the device is ensured.
According to the invention, the conductive structure 4 comprises the first metal sheet 401 fixedly connected to the mounting frame 201, the first lead 402 is fixedly connected to the top of the first metal sheet 401, and the first lead 402 is connected with the metal connecting block 202, and by arranging the first metal sheet 401 and the first lead 402, when the closing module 1 is precisely installed in the breaker body 9, the first metal sheet 401 and the second metal sheet 907 can be in seamless joint, so that the process not only ensures the stability of electrical contact, but also eliminates the problems of increased resistance, increased heat and the like possibly caused by poor contact, and the precise joint mechanism ensures that the internal circuits of the device can be smoothly communicated under complex working conditions, thereby providing a solid electrical foundation for the normal operation of the device.
According to the invention, the end part of the extrusion block 602 is triangular, the bottom of the extrusion block 602 is provided with the limit groove 605, the rubber lug 203 is selectively clamped in the limit groove 605, through the arrangement of the limit groove 605 and the rubber lug 203, when a short circuit condition occurs in an electrical system, a current value rises, so that a stronger magnetic field is formed in the metal coil 903, the metal column 601 moves close to the metal coil 903, the metal column 601 pushes the extrusion block 602 through the connecting plate 603 and the first pushing plate 604, the extrusion block 602 extrudes the metal connecting block 202, the metal connecting block 202 is released from contact with the limit groove 605, a circuit is cut off, and the rubber lug 203 is clamped in the limit groove 605, so that the limit effect of the extrusion block 602 on the metal connecting block 202 is ensured, the metal connecting block 202 and the metal contact plate 905 are stably in a cut-off state, and the safety is high.
In the invention, the adjusting structure 7 comprises a driving frame 701 which is slidably connected inside the tripping module 5, the driving frame 701 is fixedly connected with the extrusion block 602, a pulling block 702 is fixedly connected on the driving frame 701, the pulling block 702 is slidably connected inside the tripping module 5, the end part of the pulling block 702 extends out of the tripping module 5, a second spring 703 and a telescopic rod 704 are fixedly connected on the driving frame 701, one ends of the second spring 703 and the telescopic rod 704, which are far away from the driving frame 701, are fixedly connected with the tripping module 5, the second spring 703 is sleeved on the outer wall of the telescopic rod 704, and by arranging the second spring 703, the driving frame 701 and the pulling block 702, after an operator checks and repairs the electrical system fault, the operator can pull the pulling block 702, and the pulling block 702 drives the extrusion block 602 to move far away from the metal contact plate 905 through the driving frame 701, so that the limiting groove 605 is automatically separated from the limiting fixation of the rubber bump 203, and the metal connecting block 202 can normally contact with the metal contact plate 905, thereby completing circuit connection.
According to the invention, the heat dissipation structure 8 comprises the heat dissipation cabinet 801 fixedly connected to the inside of the tripping module 5, the second pushing plate 802 is slidingly connected to the inside of the heat dissipation cabinet 801, the air guide pipe 803 is communicated to the top of the heat dissipation cabinet 801, the top of the second pushing plate 802 is provided with a sealing gasket, the bottom of the second pushing plate 802 is fixedly connected with the metal block 804, the metal block 804 is fixedly connected with the connecting plate 603, the connecting plate 603 drives the second pushing plate 802 to move up and down in the inside of the heat dissipation cabinet 801 through the metal block 804, the circuit breaker can respond rapidly when a short circuit occurs through the carefully designed heat dissipation structure 8, the circuit breaker effectively cuts off a circuit, and synchronously starts a high-efficiency heat dissipation process, when the metal connecting block 202 is separated from the metal contact plate 905, generated electric arcs are immediately guided into the inside of the arc extinguishing grid 901, the process not only limits the diffusion of the electric arcs, but also utilizes the physical segmentation effect of the arc extinguishing grid 901 to cool down rapidly, the influence of high temperature on equipment is reduced, meanwhile, the connecting plate 603 and the connecting plate 603 is mechanically linked with the metal block 804, the second pushing plate 802 is driven to move in the heat dissipation cabinet 801, the circuit breaker can respond rapidly, through the air guide plate, the principle of the air guide pipe is forced to the air cooling system is directly introduced into the inside of the circuit breaker, the high-efficiency air cooling chamber 9, the high-efficiency air cooling system is stable, the air cooling system is stable, and the high temperature of the air cooling system is guaranteed, and the air cooling region of the high-efficiency is stable, and the air-cooled down, and the air-cooling system is stable, and the high-efficiency and the air-efficiency is stable.
The utility model provides a circuit breaker, assemble in detachable protection module, including circuit breaker body 9, the inside arc chamber internally mounted of circuit breaker body 9 has a plurality of arc extinguishing bars piece 901, first conducting strip 902 and second conducting strip 906 are installed respectively to the top and the bottom of circuit breaker body 9, and install metal coil 903 on the circuit breaker body 9, connect through the electric wire between first conducting strip 902 and the metal coil 903, and be connected with metal contact plate 905 on the metal coil 903 through second wire 904, metal contact plate 905 installs inside circuit breaker body 9, be connected with second metal strip 907 through the electric wire on the second conducting strip 906, second metal strip 907 fixed connection is inside circuit breaker body 9.
In the invention, the closing module 1 and the tripping module 5 are both detachably mounted in the breaker body 9, when the closing module 1 is mounted in the breaker body 9, the second metal sheet 907 is attached to the first metal sheet 401, the metal connecting block 202 is selectively contacted with the metal contact plate 905, when the tripping module 5 is mounted in the closing module 1, the air guide pipe 803 penetrates through the arc chamber of the breaker body 9 and is aligned with the arc extinguishing grid plate 901, and by arranging the closing module 1 and the tripping module 5 to be detachably mounted in the breaker body 9, an operator can replace the closing module 1 or the tripping module 5 according to actual requirements.
Working principle: when an operator uses the device and a short circuit condition occurs in the electric system, the current value rises to enable a stronger magnetic field to be formed in the metal coil 903, so that the metal column 601 moves close to the metal coil 903, the metal column 601 pushes the extrusion block 602 through the connecting plate 603 and the first pushing plate 604 to enable the extrusion block 602 to extrude the metal connecting block 202, and therefore the metal connecting block 202 is released from contact with the limiting groove 605, and a circuit is cut off;
When a short circuit condition occurs in the electrical system, after the metal connecting block 202 and the metal contact plate 905 are in a contact state, a sudden circuit is interrupted, an arc is generated between contacts, so that high temperature is generated, the arc enters the arc extinguishing grid 901, meanwhile, the connecting plate 603 pushes the second pushing plate 802 to move in the heat dissipation cabinet 801 through the metal block 804, so that air in the heat dissipation cabinet 801 is transported into an arc chamber in the circuit breaker body 9 through the air guide pipe 803, and heat dissipation is performed on the arc extinguishing grid 901;
When an operator needs to replace the trip module 5, the fastening bolts on the surface of the trip module 5 are directly detached, the old trip module 5 is removed, the new trip module 5 is replaced, when the operator needs to replace the trip module 1, the fastening bolts on the surface of the trip module 1 are detached, the pulling block 702 is pushed, the pulling block 702 extrudes the metal connecting block 202 through the extrusion block 602, the metal connecting block 202 is enabled to be retracted into the interior of the trip module 1, the obstruction between the metal connecting block 202 and the shell of the breaker body 9 is relieved, the operator takes out the old trip module 1 again to replace the new trip module 1, after the trip module 1 is installed in the breaker body 9, the first metal sheet 401 can be attached to the second metal sheet 907, and accordingly the circuit inside the device can be guaranteed to be smoothly communicated, and normal operation of the device is guaranteed.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a detachable protection module, includes closing module (1) and tripping module (5), its characterized in that, closing module (1) internally mounted has connection structure (2), be provided with elastic structure (3) and electrically conductive structure (4) on connection structure (2), be provided with on tripping module (5) and inhale structure (6) to adjust structure (7) of adjusting to magnetism, be provided with on tripping module (5) and carry out auxiliary heat dissipation's heat dissipation structure (8), just when structure (6) are inhaled to magnetism moves, adjust heat dissipation structure (8);
The connecting structure (2) comprises a mounting frame (201) fixedly connected to the inside of the closing module (1), a metal connecting block (202) is rotationally connected to the top end of the mounting frame (201), the elastic structure (3) comprises a mounting plate (301) slidingly connected to the outer wall of the mounting frame (201), a movable sleeve (302) is slidingly connected to the mounting plate (301), a connecting rod (303) is fixedly connected to the top of the movable sleeve (302), the top end of the connecting rod (303) is rotationally connected with the metal connecting block (202), and a first spring (304) is fixedly connected to the bottom end of the mounting plate (301);
The magnetic attraction structure (6) comprises a metal column (601) which is connected to the top end of the tripping module (5) in a sliding mode and an extrusion block (602) which is connected to the side face of the tripping module (5) in a sliding mode, a connecting plate (603) is fixedly connected to the metal column (601), a first pushing plate (604) is rotationally connected to the side face of the connecting plate (603), and one end, far away from the connecting plate (603), of the first pushing plate (604) is rotationally connected with the extrusion block (602).
2. The detachable protection module according to claim 1, wherein the bottom end of the first spring (304) is fixedly connected with the mounting frame (201), the first spring (304) is wound on the outer wall of the mounting frame (201), and the first spring (304) drives the mounting plate (301) to move away from the bottom end of the mounting frame (201).
3. The detachable protection module according to claim 2, wherein a rubber bump (203) is fixedly connected to the top of the metal connection block (202), and the end of the rubber bump (203) is arc-shaped.
4. A detachable protection module according to claim 3, characterized in that the conductive structure (4) comprises a first metal sheet (401) fixedly connected to the mounting frame (201), a first wire (402) is fixedly connected to the top of the first metal sheet (401), and the first wire (402) is connected to the metal connection block (202).
5. The detachable protection module according to claim 4, wherein the end of the extrusion block (602) is triangular, a limit groove (605) is formed in the bottom of the extrusion block (602), and the rubber bump (203) is selectively clamped inside the limit groove (605).
6. The detachable protection module according to claim 5, wherein the adjusting structure (7) comprises a driving frame (701) slidably connected inside the trip module (5), the driving frame (701) is fixedly connected with the extrusion block (602), a pulling block (702) is fixedly connected to the driving frame (701), the pulling block (702) is slidably connected inside the trip module (5), and an end portion of the pulling block (702) extends out of the trip module (5).
7. The detachable protection module according to claim 6, wherein the driving frame (701) is fixedly connected with a second spring (703) and a telescopic rod (704), one ends of the second spring (703) and the telescopic rod (704), which are far away from the driving frame (701), are fixedly connected with the tripping module (5), and the second spring (703) is sleeved on the outer wall of the telescopic rod (704).
8. The detachable protection module and the circuit breaker thereof according to claim 7, wherein the heat dissipation structure (8) comprises a heat dissipation cabinet (801) fixedly connected to the inside of the tripping module (5), a second pushing plate (802) is slidably connected to the inside of the heat dissipation cabinet (801), an air guide pipe (803) is communicated to the top of the heat dissipation cabinet (801), a sealing gasket is arranged at the top of the second pushing plate (802), a metal block (804) is fixedly connected to the bottom of the second pushing plate (802), the metal block (804) is fixedly connected with the connecting plate (603), and the connecting plate (603) drives the second pushing plate (802) to move up and down inside the heat dissipation cabinet (801) through the metal block (804).
9. A circuit breaker assembled in a removable protection module according to any one of claims 1-8, comprising a circuit breaker body (9), a plurality of arc extinguishing bars (901) are arranged in an arc chamber inside the circuit breaker body (9), a first conductive sheet (902) and a second conductive sheet (906) are respectively arranged at the top and the bottom of the circuit breaker body (9), a metal coil (903) is arranged on the circuit breaker body (9), the first conductive sheet (902) is connected with the metal coil (903) through a wire, a metal contact plate (905) is connected on the metal coil (903) through a second wire (904), the metal contact plate (905) is arranged inside the circuit breaker body (9), a second metal sheet (907) is connected on the second conductive sheet (906) through a wire, and the second metal sheet (907) is fixedly connected inside the circuit breaker body (9).
10. The circuit breaker according to claim 9, wherein the closing module (1) and the tripping module (5) are detachably mounted inside the circuit breaker body (9), when the closing module (1) is mounted inside the circuit breaker body (9), the second metal sheet (907) is attached to the first metal sheet (401), and the metal connecting block (202) is selectively contacted with the metal contact plate (905), and when the tripping module (5) is mounted inside the closing module (1), the air guide pipe (803) penetrates through the arc chamber of the circuit breaker body (9) and is aligned with the arc extinguishing grid sheet (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411097177.8A CN118629834A (en) | 2024-08-12 | 2024-08-12 | Detachable protection module and circuit breaker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411097177.8A CN118629834A (en) | 2024-08-12 | 2024-08-12 | Detachable protection module and circuit breaker thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118629834A true CN118629834A (en) | 2024-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411097177.8A Pending CN118629834A (en) | 2024-08-12 | 2024-08-12 | Detachable protection module and circuit breaker thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118629834A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0143022A1 (en) * | 1983-10-21 | 1985-05-29 | Merlin Gerin | Thermal and magnetic circuit breaker tripping mechanism |
| JP2009212065A (en) * | 2008-03-06 | 2009-09-17 | Panasonic Electric Works Denro Co Ltd | Circuit breaker |
| CN113808890A (en) * | 2021-07-29 | 2021-12-17 | 高小妹 | Quick-release miniature circuit breaker |
| CN219759495U (en) * | 2023-03-10 | 2023-09-26 | 环控电力科技有限公司 | Anti-collision intelligent spring-operated circuit breaker |
-
2024
- 2024-08-12 CN CN202411097177.8A patent/CN118629834A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0143022A1 (en) * | 1983-10-21 | 1985-05-29 | Merlin Gerin | Thermal and magnetic circuit breaker tripping mechanism |
| JP2009212065A (en) * | 2008-03-06 | 2009-09-17 | Panasonic Electric Works Denro Co Ltd | Circuit breaker |
| CN113808890A (en) * | 2021-07-29 | 2021-12-17 | 高小妹 | Quick-release miniature circuit breaker |
| CN219759495U (en) * | 2023-03-10 | 2023-09-26 | 环控电力科技有限公司 | Anti-collision intelligent spring-operated circuit breaker |
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