CN220138235U - Intelligent security circuit breaker capable of switching on rapidly - Google Patents
Intelligent security circuit breaker capable of switching on rapidly Download PDFInfo
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- CN220138235U CN220138235U CN202321539061.6U CN202321539061U CN220138235U CN 220138235 U CN220138235 U CN 220138235U CN 202321539061 U CN202321539061 U CN 202321539061U CN 220138235 U CN220138235 U CN 220138235U
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- fixedly connected
- circuit breaker
- arc extinguishing
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- shell
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Abstract
The utility model discloses a smart security circuit breaker capable of rapidly switching on, which belongs to the technical field of electric security and comprises a rapid switching-on mechanism, a rapid arc extinguishing mechanism, a fixed contact, a moving contact, a circuit breaker shell, an electromagnetic coil shell and a vacuum cover, wherein the rapid switching-on mechanism is arranged in the electromagnetic coil shell and the circuit breaker shell and comprises a switching-on component and a separating component, one end of the switching-on component is fixedly connected to two sides of the inner wall of the circuit breaker shell, the other end of the switching-on component is fixedly arranged on the moving contact, the separating component is fixedly arranged in the electromagnetic coil shell, the rapid switching-on and the separation of the moving contact of the circuit breaker can be realized through the rapid switching-on mechanism, and the rapid arc extinguishing mechanism can rapidly divide and extinguish an arc generated between the moving contact and the fixed contact, so that side effects caused by arc generation are reduced.
Description
Technical Field
The utility model relates to the technical field of electric power security protection, in particular to an intelligent security protection circuit breaker capable of being switched on rapidly.
Background
With the continuous progress of society, the use of electric power is more and more extensive, the demand of electric power is more and more increased, electric energy is a high-efficient energy, but also can produce very serious accident when using improperly, just needs to take control and protection measures to the circuit at this moment, generally uses the circuit breaker.
For example, chinese patent application No.: the utility model provides a CN114899037B wisdom country electric wire netting electric current trouble cuts off uses circuit breaker, insulating housing's inner chamber middle part fixed mounting has the vacuum shield cover, insulating housing's inner chamber upper portion fixed mounting has the stationary contact that is located vacuum shield cover inner chamber upper portion, insulating housing's inner chamber lower part movable mounting has the moving contact, and the one end of moving contact is located vacuum shield cover's inner chamber lower part, moving contact's outside fixed mounting has the bellows, the bottom surface fixed mounting of bellows has the suction tube, the one end fixed mounting of suction tube has the regulation gas box, the inside wall fixed mounting of regulation gas box has the fixed chamber, fixed mounting has the solid chamber on the inner wall of fixed chamber, the bottom fixed mounting of solid chamber has the conducting strip that is located insulating housing surface, one side surface fixed mounting of conducting strip has the heat absorption gasbag, and the heat absorption gasbag is located the inner chamber bottom of fixed chamber, one side top surface fixed mounting of heat absorption gasbag has the magnetism to inhale the connecting rod, the bottom movable mounting of magnetism inhale the connecting rod has the piston plate, fixed mounting has the circulation trachea in the inner chamber of fixed chamber.
In the practical implementation process, the prior art scheme has the beneficial effects that the moving contact moves and resets through the cooperation of the corrugated pipe, the suction pipe, the adjusting gas box and the heat absorbing air bag by the principle of thermal expansion and contraction of gas, but the expansion of the gas needs time, so that the separation of the moving contact and the static contact is delayed, the separation time is long, a large amount of electric arcs can be generated, a certain potential safety hazard exists, the service life of the circuit breaker is influenced, meanwhile, the corrugated pipe, the suction pipe and other parts are mainly made of soft materials, the working environment of the circuit breaker is relatively poor, the soft materials can deform and crack after long-time use, and the like, and the circuit breaker is unfavorable for long-term use.
Based on the above, the utility model designs the intelligent security breaker capable of rapidly closing to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the intelligent security circuit breaker capable of being switched on rapidly.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a smart security breaker capable of rapidly switching on comprises a rapid switching-on mechanism, a rapid arc extinguishing mechanism, a fixed contact, a moving contact, a breaker shell, an electromagnetic coil shell and a vacuum cover;
the quick closing mechanism is arranged in the electromagnetic coil housing and the breaker housing, the quick closing mechanism comprises a closing component and a separating component, one end of the closing component is fixedly connected to two sides of the inner wall of the breaker housing, the other end of the closing component is fixedly arranged on the movable contact, the separating component is fixedly arranged in the electromagnetic coil housing, the quick closing mechanism is arranged in the electromagnetic coil housing and the breaker housing, and the quick arc extinguishing mechanism is arranged in the vacuum cover;
the switching-on assembly comprises springs, a first fixing plate and a second fixing plate, wherein one side of the first fixing plate is fixedly connected to the inner wall of the circuit breaker shell, the first fixing plates are at least two groups, one ends of the springs are fixedly connected to the lower surfaces of the two groups of the first fixing plates, the other ends of the two groups of the springs are fixedly connected to the upper surface of the second fixing plate, one ends of moving contacts are arranged on the surface of the second fixing plate in a penetrating mode, and the second fixing plate is fixedly connected with the first fixing plate;
the separation assembly comprises an electromagnetic coil, guide posts and guide grooves, wherein the electromagnetic coil is fixedly connected to the bottom of an electromagnetic coil shell, a switch is fixedly connected to the outside of the electromagnetic coil shell, the switch is electrically connected with the electromagnetic coil, one end of each guide post is fixedly connected to the lower surface of the second fixing plate, the guide grooves are formed in two sides of the inner wall of the electromagnetic coil shell, and the guide posts are movably inserted into the guide grooves;
the switching-on assembly comprises springs, a first fixing plate and a second fixing plate, wherein one side of the first fixing plate is fixedly connected to the inner wall of the circuit breaker shell, the first fixing plates are at least two groups, one ends of the springs are fixedly connected to the lower surfaces of the two groups of the first fixing plates, the other ends of the two groups of the springs are fixedly connected to the upper surface of the second fixing plate, one ends of moving contacts are arranged on the surface of the second fixing plate in a penetrating mode, and the second fixing plate is fixedly connected with the first fixing plate;
the quick arc extinguishing mechanism is arranged in the vacuum cover and comprises an arc extinguishing component and a pulling component, wherein two sides of the arc extinguishing component are respectively and fixedly connected with two sides of the inner wall of the vacuum cover, one end of the pulling component is fixedly connected with the arc extinguishing component, and the other end of the pulling component is fixedly connected with the outer wall of the moving contact;
the arc extinguishing assembly comprises arc extinguishing grid plates, sliding blocks and sliding rails, wherein the sliding blocks are fixedly connected to the lower surfaces of the arc extinguishing grid plates, at least two groups of sliding blocks are arranged, limiting blocks are fixedly connected to the lower ends of the sliding blocks, and limiting grooves matched with the limiting blocks are formed in the upper surfaces of the sliding rails;
the pulling assembly comprises a pull rod, a shaft sleeve and a rotating shaft, wherein the rotating shafts are arranged at two ends of the pull rod in a penetrating manner, the shaft sleeves are connected with the two groups of rotating shafts in a rotating manner, and the other ends of the two groups of shaft sleeves are respectively and fixedly connected with the lower surface of the arc extinguishing grid sheet and the outer wall of the moving contact;
the upper surface of the vacuum cover penetrates through and is fixedly connected with the fixed contact, and the outer wall of the vacuum cover is fixedly connected with a plurality of groups of radiating fins.
Furthermore, a plurality of groups of heat dissipation holes are formed in the outer wall of the circuit breaker shell, and the heat dissipation holes penetrate through the outer wall to the inner wall of the circuit breaker shell.
Further, the lower surface of the second fixing plate is fixedly adhered with a damping rubber cushion.
Advantageous effects
The electromagnetic coil of the separation assembly is electrified to generate magnetic force to drive the moving contact to move downwards, so that the moving contact is separated from the abutting joint with the fixed contact and is rapidly far away from the fixed contact, at the moment, the guide pillar moves downwards in the guide groove, at the moment, the guide pillar drives the second fixed plate to move downwards, at the moment, the second fixed plate moves downwards and stretches the spring, the moving contact rapidly far away from the fixed contact is realized, and the restoring force of the moving contact is accumulated, when the closing is needed, the electromagnetic coil of the separation assembly is powered off, at the moment, the stretched spring contracts, the second fixed plate is driven to move rapidly towards the direction close to the first fixed plate, at the moment, the moving contact fixedly penetrating through the second fixed plate moves along with the second fixed plate, and is rapidly abutted with the fixed contact, and closing is completed.
When the electromagnetic coil generates magnetic force to attract and draw the moving contact to move downwards, the shaft sleeve fixedly connected to the moving contact drives one end of the pull rod to move downwards through the rotating shaft which is connected with the moving contact, the other end of the pull rod drives the arc extinguishing grid plate through the rotating shaft, the arc extinguishing grid plate moves towards the direction close to the fixed contact through the sliding block and the sliding rail, the long distance between the fixed contact and the moving contact is divided into a plurality of short distances through the arc extinguishing grid plate, the breaker shell is prevented from being broken down, the purpose of quick arc extinguishing is achieved, the service life of the breaker is prolonged, the safety coefficient is improved, when the electromagnetic coil is powered off, the magnetic force disappears at the moment, the spring is quickly contracted, the moving contact is driven to be quickly reset to be closed through the second fixing plate, at the moment, the pull rod drives the shaft sleeve through the rotating shaft, the arc extinguishing grid plate is quickly moved towards the direction far away from the fixed contact, and the moving contact and the fixed contact are quickly restored to be abutted.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a perspective view of a main body structure of a smart security circuit breaker capable of rapidly closing a switch in the utility model;
FIG. 2 is a front view of a smart security circuit breaker capable of switching on rapidly;
FIG. 3 is a right side view of a smart security breaker capable of rapidly closing according to the present utility model;
FIG. 4 is a cross-sectional view taken along the B-B direction of FIG. 3;
fig. 5 is a partial schematic view of a three-dimensional structure of an arc extinguishing assembly according to the present utility model;
FIG. 6 is an enlarged schematic view of the structure A in FIG. 5 according to the present utility model;
FIG. 7 is a partial schematic view of a three-dimensional structure at a slider of the present utility model;
reference numerals in the drawings represent respectively:
1. quick closing mechanism 11, closing assembly 111, spring 112, first fixed plate 113, second fixed plate 12, disconnect assembly 121, solenoid 122, guide post 123, channel 2, quick arc extinguishing mechanism 21, arc extinguishing assembly 211, arc extinguishing gate 212, slider 213, slide rail 22, pull assembly 221, pull rod 222, bushing 223, shaft 3, stationary contact 31, moving contact 4, circuit breaker housing 41, heat sink 5, solenoid housing 6, vacuum housing 61, heat sink fins.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described below with reference to examples.
In some embodiments, please refer to fig. 1-7 of the specification, a smart security breaker capable of switching on rapidly includes a rapid switching mechanism 1, a rapid arc extinguishing mechanism 2, a fixed contact 3, a moving contact 31, a breaker housing 4, an electromagnetic coil housing 5, and a vacuum cover 6, wherein one end of the fixed contact 3 is abutted to one end of the moving contact 31, the vacuum cover 6 is arranged inside the breaker housing 4, the electromagnetic coil housing 5 is arranged inside the breaker housing 4, and the lower surface of the electromagnetic coil housing 5 is fixedly connected with the bottom of the inner wall of the breaker housing 4;
the quick switching-on mechanism can realize quick switching-on and switching-off of the moving contact of the circuit breaker, and the quick arc-extinguishing mechanism can realize quick cutting-off and arc extinguishing of an arc generated between the moving contact and the fixed contact, so that side effects caused by the arc are reduced;
the quick closing mechanism 1 is arranged in the electromagnetic coil housing 5 and the breaker housing 4, the quick closing mechanism 1 comprises a closing component 11 and a separating component 12, one end of the closing component 11 is fixedly connected to two sides of the inner wall of the breaker housing 4, the other end of the closing component is fixedly arranged on the moving contact 31, and the separating component 12 is fixedly arranged in the electromagnetic coil housing 5;
the separation assembly 12 drives the closing assembly 11 and the moving contact 31 to move downwards through magnetic force, and when the magnetic force disappears, the closing assembly 11 drives the moving contact 31 to move upwards, so that the quick closing of the circuit breaker is realized;
the closing component 11 comprises springs 111, a first fixed plate 112 and a second fixed plate 113, wherein one side of the first fixed plate 112 is fixedly connected to the inner wall of the circuit breaker shell 4, the first fixed plates 112 are at least two groups, one end of each spring 111 is fixedly connected to the lower surface of each first fixed plate 112, the other ends of the two groups of springs 111 are fixedly connected to the upper surface of the second fixed plate 113, one end of each movable contact 31 is arranged on the surface of the second fixed plate 113 in a penetrating manner, and the second fixed plate 113 is fixedly connected with the first fixed plate 112;
the separation assembly 12 comprises an electromagnetic coil 121, guide posts 122 and guide grooves 123, the electromagnetic coil 121 is fixedly connected to the bottom of the electromagnetic coil housing 5, a switch is fixedly connected to the outside of the electromagnetic coil housing 5, the switch is electrically connected with the electromagnetic coil 121, one end of each guide post 122 is fixedly connected to the lower surface of the second fixed plate 113, the guide grooves 123 are formed in two sides of the inner wall of the guide post 05, and the guide posts 122 are movably inserted into the guide grooves 123;
the electromagnetic coil 121 of the separation assembly 12 is electrified to generate magnetic force, so that the moving contact 31 is driven to move downwards, the moving contact 31 is separated from the contact with the fixed contact 3 and is rapidly away from the fixed contact 3, at the moment, the guide pillar 122 moves downwards in the guide groove 123, at the moment, the guide pillar 122 drives the second fixed plate 113 to move downwards, at the moment, the second fixed plate 113 moves downwards and stretches the spring 111, rapid moving away of the moving contact from the fixed contact is realized, and the restoring force of the moving contact is accumulated;
when the switch-on is needed, the electromagnetic coil 121 of the separation assembly 12 is powered off, at the moment, the elongated spring 111 is contracted to drive the second fixed plate 113 to rapidly move towards the direction close to the first fixed plate 112, at the moment, the moving contact 31 fixed on the second fixed plate 113 moves along with the second fixed plate 113, rapidly abuts against the fixed contact 3, and the switch-on is completed;
the quick arc extinguishing mechanism 2 is arranged in the vacuum cover 6, the quick arc extinguishing mechanism 2 comprises an arc extinguishing component 21 and a pulling component 22, two sides of the arc extinguishing component 21 are respectively and fixedly connected to two sides of the inner wall of the vacuum cover 6, one end of the pulling component 22 is fixedly connected to the arc extinguishing component 21, and the other end of the pulling component 22 is fixedly connected to the outer wall of the moving contact 31;
when the moving contact 31 moves downwards, one end of the pulling component 22 is driven to move downwards, and at the moment, the other end of the pulling component 22 drives the arc extinguishing component 21 to move between the fixed contact 3 and the moving contact 31, so that the aim of quick arc extinguishing is fulfilled;
the arc extinguishing assembly 21 comprises an arc extinguishing grating sheet 211, a sliding block 212 and a sliding rail 213, wherein the sliding block 212 is fixedly connected to the lower surface of the arc extinguishing grating sheet 211, at least two groups of sliding blocks 212 are arranged, the lower end of the sliding block 212 is fixedly connected with a limiting block, and a limiting groove matched with the limiting block is formed in the upper surface of the sliding rail 213;
the arc extinguishing bars 211 can perform limit movement on the upper surface of the sliding rail 213 through the sliding blocks 212;
the pulling assembly 22 comprises a pull rod 221, a shaft sleeve 222 and a rotating shaft 223, wherein the rotating shaft 223 is penetrated at two ends of the pull rod 221, the shaft sleeves 222 are rotatably connected with two groups of rotating shafts 223, and the other ends of the two groups of shaft sleeves 222 are respectively and fixedly connected with the lower surface of the arc extinguishing grid piece 211 and the outer wall of the moving contact 31;
when the electromagnetic coil 121 generates magnetic force to attract and draw the moving contact 31 to move downwards, at the moment, the shaft sleeve 222 fixedly connected to the moving contact 31 drives one end of the pull rod 221 to move downwards through the rotating shaft 223 which is connected with the shaft sleeve, at the moment, the other end of the pull rod 221 drives the arc-extinguishing grid piece 211 through the rotating shaft 223, the arc-extinguishing grid piece 211 moves towards the direction close to the fixed contact 3 through the sliding block 212 and the sliding rail 213, and the long distance between the fixed contact 3 and the moving contact 31 is divided into a plurality of short distances through the arc-extinguishing grid piece 211, so that the breaker shell 4 is prevented from being broken down, the purpose of quick arc extinction is achieved, the service life of the breaker is prolonged, and the safety coefficient is improved;
when the electromagnetic coil 121 is powered off, the magnetic force disappears at the moment, the spring 111 is quickly contracted, the movable contact 31 is driven by the second fixed plate 113 to quickly reset and close, at the moment, along with the resetting action of the movable contact 31, the pull rod 221 drives the shaft sleeve 222 through the rotating shaft 223, the movable shaft sleeve 222 drives the arc extinguishing grid piece 211 to quickly move in a direction away from the fixed contact 3, so that the movable contact 31 and the fixed contact 3 quickly recover and abut, and closing is completed;
the upper surface of the vacuum cover 6 penetrates through and is fixedly connected with the fixed contact 3, the outer wall of the vacuum cover 6 is fixedly connected with a plurality of groups of radiating fins 61, and the plurality of groups of radiating fins 61 penetrate through the outer wall to the inner wall of the breaker shell 4;
when the fixed contact 3 and the movable contact 31 are separated, an arc is generated, a certain amount of heat is generated by the arc, gas in the circuit breaker shell 4 is expanded at the moment, and the heat is conducted through the heat dissipation holes 41, so that the service life of the circuit breaker is prolonged;
the outer wall of the breaker shell 4 is provided with a plurality of groups of heat dissipation holes 41, and the plurality of groups of heat dissipation holes 41 penetrate through the outer wall to the inner wall of the breaker shell 4;
the heat radiating holes 41 transmit heat to the outside through the heat radiating fins 61;
the lower surface of the second fixed plate 113 is fixedly adhered with a damping rubber pad;
when the fixed contact 3 and the movable contact 31 are separated, abnormal sound is avoided when the second fixed plate 113 is contacted with the bottom of the inner wall of the circuit breaker shell 4, impact on the second fixed plate 113 is reduced, and the buffer protection function is achieved.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (3)
1. The utility model provides a wisdom security protection circuit breaker that can close a floodgate rapidly, includes quick closing mechanism (1), quick arc extinguishing mechanism (2), stationary contact (3), moving contact (31), circuit breaker shell (4), solenoid shell (5), vacuum hood (6), its characterized in that, the one end butt of stationary contact (3) is in the one end of moving contact (31), vacuum hood (6) set up inside circuit breaker shell (4), solenoid shell (5) set up inside circuit breaker shell (4), the lower surface of solenoid shell (5) and circuit breaker shell (4) inner wall bottom fixed connection, quick closing mechanism (1) set up the inside at solenoid shell (5) and circuit breaker shell (4), quick arc extinguishing mechanism (2) set up the inside at vacuum hood (6);
the quick closing mechanism (1) comprises a closing component (11) and a separating component (12), one end of the closing component (11) is fixedly connected to two sides of the inner wall of the circuit breaker shell (4), the other end of the closing component is fixed to the moving contact (31), and the separating component (12) is fixedly installed inside the electromagnetic coil shell (5);
the switching-on assembly (11) comprises springs (111), a first fixed plate (112) and a second fixed plate (113), one side of the first fixed plate (112) is fixedly connected to the inner wall of the circuit breaker shell (4), the first fixed plates (112) are at least arranged into two groups, one ends of the springs (111) are fixedly connected to the lower surfaces of the two groups of the first fixed plates (112), the other ends of the two groups of the springs (111) are fixedly connected to the upper surface of the second fixed plate (113), one end of a moving contact (31) is arranged on the surface of the second fixed plate (113) in a penetrating mode, and the second fixed plate (113) is fixedly connected with the separating assembly (12);
the separation assembly (12) comprises an electromagnetic coil (121), guide posts (122) and guide grooves (123), wherein the electromagnetic coil (121) is fixedly connected to the bottom of an electromagnetic coil housing (5), a switch is fixedly connected to the outside of the electromagnetic coil housing (5), the switch is electrically connected with the electromagnetic coil (121), one end of each guide post (122) is fixedly connected to the lower surface of a second fixing plate (113), the guide grooves (123) are formed in two sides of the inner wall of the electromagnetic coil housing (5), and the guide posts (122) are movably inserted into the guide grooves (123);
the quick arc extinguishing mechanism (2) comprises an arc extinguishing component (21) and a pulling component (22), wherein two sides of the arc extinguishing component (21) are respectively and fixedly connected with two sides of the inner wall of the vacuum cover (6), one end of the pulling component (22) is fixedly connected with the arc extinguishing component (21), and the other end of the pulling component (22) is fixedly connected with the outer wall of the moving contact (31);
the arc extinguishing assembly (21) comprises arc extinguishing grid plates (211), sliding blocks (212) and sliding rails (213), wherein the sliding blocks (212) are fixedly connected to the lower surfaces of the arc extinguishing grid plates (211), at least two groups of sliding blocks (212) are arranged, limiting blocks are fixedly connected to the lower ends of the sliding blocks (212), and limiting grooves matched with the limiting blocks are formed in the upper surfaces of the sliding rails (213);
the pulling assembly (22) comprises a pull rod (221), shaft sleeves (222) and rotating shafts (223), wherein the rotating shafts (223) are arranged at two ends of the pull rod (221) in a penetrating mode, the shaft sleeves (222) are connected to two groups of rotating shafts (223) in a rotating mode, and the other ends of the shaft sleeves (222) are fixedly connected to the lower surfaces of the arc extinguishing grid plates (211) and the outer walls of the movable contacts (31) respectively;
the upper surface of the vacuum cover (6) penetrates through and is fixedly connected with the fixed contact (3), and a plurality of groups of radiating fins (61) are fixedly connected to the outer wall of the vacuum cover (6).
2. The smart security circuit breaker capable of being rapidly switched on according to claim 1, wherein a plurality of groups of heat dissipation holes (41) are formed in the outer wall of the circuit breaker housing (4), and the plurality of groups of heat dissipation holes (41) penetrate through the outer wall to the inner wall of the circuit breaker housing (4).
3. The smart security circuit breaker capable of being rapidly closed according to claim 1, wherein a damping rubber pad is fixedly adhered to the lower surface of the second fixing plate (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539061.6U CN220138235U (en) | 2023-06-16 | 2023-06-16 | Intelligent security circuit breaker capable of switching on rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539061.6U CN220138235U (en) | 2023-06-16 | 2023-06-16 | Intelligent security circuit breaker capable of switching on rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138235U true CN220138235U (en) | 2023-12-05 |
Family
ID=88952630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321539061.6U Active CN220138235U (en) | 2023-06-16 | 2023-06-16 | Intelligent security circuit breaker capable of switching on rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138235U (en) |
-
2023
- 2023-06-16 CN CN202321539061.6U patent/CN220138235U/en active Active
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