CN218585896U - Disconnect-type intelligent circuit breaker - Google Patents

Disconnect-type intelligent circuit breaker Download PDF

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Publication number
CN218585896U
CN218585896U CN202222233229.2U CN202222233229U CN218585896U CN 218585896 U CN218585896 U CN 218585896U CN 202222233229 U CN202222233229 U CN 202222233229U CN 218585896 U CN218585896 U CN 218585896U
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iron core
circuit breaker
bottom shell
contact
closing
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CN202222233229.2U
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Chinese (zh)
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姚纪彭
梁君智
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Shenzhen Weiyu Intelligent Technology Co ltd
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Shenzhen Weiyu Intelligent Technology Co ltd
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Abstract

The utility model provides a separated intelligent circuit breaker, which comprises a bottom shell and an upper cover, wherein the upper cover is arranged on the bottom shell, and the inner space of the bottom shell and the inner space of the upper cover form a circuit breaker cavity; an inlet terminal and an outlet terminal are respectively arranged at two ends of the bottom shell, and a thermomagnetic system, a first static contact, an operating mechanism, a second static contact and an arc extinguishing system are arranged on the bottom shell at one side of the cavity of the circuit breaker; the circuit board is arranged on the bottom shell of the other side of the circuit breaker cavity, and a mutual inductor and a closing electromagnet are further arranged on the other side of the circuit breaker cavity. The utility model provides a main loop forceful electric power and short-circuit arc to interference, the destruction problem of the weak current of circuit board, improved the fail safe nature and the stability of electronic circuit to be convenient for produce the equipment, improve production efficiency.

Description

Disconnect-type intelligent circuit breaker
Technical Field
The utility model relates to a low-voltage apparatus protects technical field, especially relates to a disconnect-type intelligent circuit breaker.
Background
With the development of the times and the progress of the technology, the traditional miniature circuit breaker only has a protection function, is difficult to meet the requirements of safer, more convenient and diversified lives, is more and more widely used, and is applied to places such as schools, banks, markets, office buildings, civil houses and the like to be used for monitoring, controlling, early warning and protecting.
Compared with the traditional circuit breaker, the intelligent circuit breaker completes the layout of each component in the same volume, and it is extremely important to ensure that the components can work accurately and reliably. In order to realize small volume, multiple functions, improve the safety reliability and stability of products and improve the production efficiency, the strong current and the weak current of the products are separated. How to find an intelligent circuit breaker capable of realizing the functions is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an intelligence circuit breaker of disconnect-type structure about strong and weak electricity can effectively solve interference, the destruction problem of main loop forceful electric power and short-circuit arc to the circuit board weak current, improves the fail safe nature and the stability of electronic circuit to be convenient for produce the equipment, improve production efficiency.
The utility model adopts the following technical scheme:
the utility model provides a separated intelligent circuit breaker, which comprises a bottom shell and an upper cover, wherein the upper cover is arranged on the bottom shell, and the inner space of the bottom shell and the inner space of the upper cover form a circuit breaker cavity; an inlet terminal and an outlet terminal are respectively arranged at two ends of the bottom shell, and a thermomagnetic system, a first static contact, an operating mechanism, a second static contact and an arc extinguishing system are arranged on the bottom shell at one side of the cavity of the circuit breaker; and a circuit board is arranged on the bottom shell at the other side of the circuit breaker cavity, and a mutual inductor and a closing electromagnet are also arranged at the other side of the circuit breaker cavity.
Preferably, the operating mechanism is a double-breakpoint mechanism and comprises a handle, a U-shaped rod, a jump buckle, a lock catch, a contact support, a first moving contact, a second moving contact, a contact spring, a lock catch spring, a jump buckle spring, a shaft, a moving contact rivet and a jump buckle rivet; the first moving contact and the second moving contact are respectively arranged on two sides of the contact support and are connected through a moving contact rivet; the jump buckle is connected with the contact support piece through a jump buckle rivet, the jump buckle spring penetrates through the jump buckle rivet and is arranged between the contact support piece and the jump buckle, one end of the U-shaped rod is connected with the handle, and the other end of the U-shaped rod is connected with the jump buckle; the lock catch is connected with the contact supporting piece through a shaft, the contact spring penetrates through the shaft and is clamped on two sides of the contact supporting piece, two pins of the contact spring are respectively connected with the first moving contact and the second moving contact, the other end of the contact spring is clamped on a stop block of the bottom shell, the lock catch spring is arranged on the bottom shell, and one end of the lock catch spring is connected with the lock catch and used for enabling the lock catch to reset.
Preferably, the thermomagnetic system includes electromagnetic trip, bimetallic element, pull rod, two gold fixed plates, adjusting screw subassembly, the pull rod is fixed on bimetallic element, bimetallic element fixes on two gold fixed plates, two gold fixed plates set up on the drain pan, electromagnetic trip sets up on the drain pan, locates bimetallic element one side, be connected with the flexible conductor between electromagnetic trip and the bimetallic element, adjusting screw subassembly installs on the drain pan for adjusting bimetallic element's position.
Preferably, the electromagnetic release is an electronically driven and instantaneously driven double-coil release, and comprises a separating brake magnetic yoke, a separating brake movable iron core, a separating brake static iron core, an iron core spring, an electronic release coil and an instantaneous release coil; the static iron core of separating brake sets up on the yoke, the separating brake moves the iron core and wears to establish in the sleeve, the sleeve sets up on the yoke, electron trip coil twines on the sleeve, instantaneous trip coil cover is in the electron trip coil outside, be provided with the iron core spring between separating brake moves the iron core and the static iron core of separating brake.
Preferably, the arc extinguishing system includes baffle, run-on plate, run-on angle, explosion chamber, flash barrier, magnetic conduction board, first static contact and the welding of run-on angle set up on the baffle, second static contact and the welding of run-on angle set up on the drain pan, the run-on plate sets up on the baffle, the explosion chamber is two, sets up respectively in the baffle both sides, the flash barrier with the magnetic conduction board is hugged closely, sets up on the baffle, locates explosion chamber one side.
Preferably, the closing electromagnet comprises a closing magnetic yoke, a closing movable iron core, a closing static iron core, a push rod and a closing coil; the winding of combined floodgate coil is on the sleeve, combined floodgate quiet iron core sets up on combined floodgate yoke and wears to establish in the sleeve, combined floodgate moves the iron core and wears to establish in the sleeve, and combined floodgate moves the iron core and can move to combined floodgate quiet iron core orientation or keep away from combined floodgate quiet iron core orientation, the push rod is fixed on combined floodgate moves the iron core, the push rod promotes operating device's handle, drives operating device combined floodgate.
The beneficial effects of the utility model are that:
the utility model provides a disconnect-type intelligent circuit breaker, inner space between drain pan and the upper cover forms the circuit breaker cavity, and drain pan and upper cover separate the circuit breaker cavity, have arranged thermomagnetic system, operating device and arc extinguishing system on the drain pan on cavity right side, have three support column on the left drain pan of cavity, and on the support column was arranged in to the circuit board, the cavity left side was arranged in to mutual-inductor and combined floodgate electro-magnet. Because the utility model discloses the separation of major loop forceful electric power and circuit board has avoided forceful electric power and circuit board because the electric clearance undersize leads to puncturing the phenomenon of damaging the circuit board to and when the major loop takes place the short circuit, the contact produces electric arc to the damage of circuit board, has improved product fail safe nature, stability, and has improved production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a separated intelligent circuit breaker of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic diagram of an overall structure of the separated intelligent circuit breaker of the present invention;
fig. 4 is a schematic structural view of an operating mechanism of a separated intelligent circuit breaker according to the present invention;
fig. 5 is a schematic structural view of an electromagnetic trip of the separated intelligent circuit breaker of the present invention;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
fig. 7 is a schematic diagram of a switching electromagnet structure of the separated intelligent circuit breaker of the present invention;
FIG. 8 is a schematic cross-sectional view of FIG. 7;
fig. 9 is a schematic structural view of an arc extinguishing system of the separated intelligent circuit breaker of the present invention;
fig. 10 is a schematic diagram of an arc extinguishing system of the separated intelligent circuit breaker according to the present invention;
fig. 11 is the utility model relates to a disconnect-type intelligent circuit breaker's arc extinguishing system schematic structure.
Description of the reference numerals: 1-a bottom shell, 2-an upper cover, 3-an incoming line terminal, 4-a thermomagnetic system, 5-a first fixed contact, 6-an operating mechanism, 7-a second fixed contact, 8-a mutual inductor, 9-an outgoing line terminal, 10-a closing electromagnet, 11-an arc extinguishing system, 12-a circuit board, 601-a handle, 602-a U-shaped rod, 603-a trip, 604-a lock catch, 605-a contact support, 606-a first moving contact, 607-a second moving contact, 608-a contact spring, 609-a lock catch spring, 610-a trip spring, 611-a shaft, 612-a moving contact rivet, 613-a trip rivet, 401-an electromagnetic trip, 402-a bimetallic element, 403-a pull rod; 404-double-metal fixing plate, 405-adjusting screw assembly, 4011-opening magnetic yoke, 4012-opening movable iron core, 4013-opening static iron core, 4014-iron core spring, 4015-electronic trip coil, 4016-instantaneous trip coil, 1001-closing magnetic yoke, 1002-closing movable iron core, 1003-closing static iron core, 1004-push rod, 1005-closing coil, 1101-partition plate, 1102-arc striking plate, 1103-arc striking angle, 1104-arc extinguishing chamber, 1105-arc isolating plate and 1106-magnetic conduction plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "horizontal", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Further, the terms "horizontal", "vertical" and the like do not mean that absolute horizontal or vertical is not required, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected internally or indirectly to each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the separated intelligent circuit breaker of the present invention includes a bottom case 1 and an upper cover 2, the upper cover 2 is disposed on the bottom case 1, and the internal space of the bottom case 1 and the upper cover 2 forms a circuit breaker cavity; an incoming line terminal 3 and an outgoing line terminal 9 are respectively arranged at two ends of the bottom shell, and a thermomagnetic system 4, a first static contact 5, an operating mechanism 6, a second static contact 7 and an arc extinguishing system 11 are arranged on the bottom shell 1 at one side of the cavity of the circuit breaker; a circuit board 12 is arranged on the bottom shell 1 at the other side of the circuit breaker cavity, and a mutual inductor 8 and a closing electromagnet 10 are further arranged at the other side of the circuit breaker cavity. In the present embodiment, the circuit board 12 is disposed on the support columns of the bottom case 1, and the number of the support columns may be three.
It should be noted that, the utility model discloses an intelligent circuit breaker, width dimension are unanimous with traditional circuit breaker, and 1P width dimension is 18mm promptly, and mechanism part and circuit board control part are in 1P's space, but in two cavities of controlling that are formed by drain pan and upper cover were arranged in respectively to circuit board and mechanism part, have reached the purpose of strong and weak electric separation, have safe, reliable, the advantage of the production of being convenient for.
As shown in fig. 4, in one embodiment, the operating mechanism 6 is a double-break-point mechanism, and includes a handle 601, a U-shaped rod 602, a trip 603, a latch 604, a contact support 605, a first movable contact 606, a second movable contact 607, a contact spring 608, a latch spring 609, a trip spring 610, a shaft 611, a movable contact rivet 612, and a trip rivet 613; the first moving contact 606 and the second moving contact 607 are respectively arranged at two sides of the contact support 605 and connected through a moving contact rivet 612; the jumper 603 is connected with the contact support member 605 through a jumper rivet 613, the jumper spring 610 penetrates through the jumper rivet 613 and is arranged between the contact support member 605 and the jumper 603, one end of the U-shaped rod 602 is connected with the handle 601, and the other end of the U-shaped rod is connected with the jumper 603; the latch 604 is connected to the contact support 605 through a shaft 611, the contact spring 608 passes through the shaft 611 and is clamped at two sides of the contact support 605, two legs of the contact spring 608 are respectively connected to the first moving contact 606 and the second moving contact 607, the other end of the contact spring is clamped to a stopper of the bottom case 1, the latch spring 609 is disposed on the bottom case 1, and one end of the latch spring is connected to the latch 604 for resetting the latch 604.
In this embodiment, the first movable contact 606 and the second movable contact 607 can be connected by a flexible connection, the jump button 603 and the contact support 605 are connected by a jump button rivet 613, the jump button spring 610 is installed through the jump button rivet 613, the shaft 611 passes through the lock 604 and is connected with the rotation shaft hole of the contact support 605, and the lock spring 609 is disposed on the bottom case 1, and has one end connected to the lock 604 for resetting the lock 604. The operating mechanism 6 is assembled on the bottom shell 1, one end of the contact spring 608 is clamped on the stop block of the bottom shell, the locking spring is sleeved on the positioning column of the bottom shell, one end of the locking spring is contacted with the lock catch, and after the lock catch is released, the locking spring enables the lock catch to reset.
As shown in fig. 5 and 6, in one embodiment, the thermo-magnetic system 4 includes an electromagnetic release 401, a bimetal element 402, a pull rod 403, a bimetal fixing plate 404, and an adjusting screw assembly 405, wherein the pull rod 403 is fixed on the bimetal element 402, the bimetal element 402 is fixed on the bimetal fixing plate 404, the bimetal fixing plate 404 is disposed on the bottom case 1, the electromagnetic release 401 is disposed on the bottom case 1 and is disposed on one side of the bimetal element 402, the electromagnetic release 401 is connected with the bimetal element 402 by a flexible wire, and the adjusting screw assembly 405 is mounted on the bottom case 1 and is used for adjusting the position of the bimetal element 402.
The electromagnetic release 401 is an electronically-driven and instantaneously-driven double-coil release, and comprises a separating brake magnet yoke 4011, a separating brake movable iron core 4012, a separating brake static iron core 4013, an iron core spring 4014, an electronic release coil 4015 and an instantaneous release coil 4016; the quiet iron core 4013 of separating brake sets up on yoke 4011, separating brake movable iron core 4012 wears to establish in the sleeve, the sleeve sets up on yoke 4011, electron trip coil 4015 twines on the sleeve, instantaneous trip coil 4016 cover is in the electron trip coil 4015 outside, be provided with iron core spring 4014 between separating brake movable iron core 4012 and the quiet iron core 4013 of separating brake.
As shown in fig. 7 to 8, the closing electromagnet includes a closing yoke 1001, a closing movable core 1002, a closing stationary core 1003, a push rod 1004, and a closing coil 1005; the closing coil 1005 is wound on the sleeve, the closing static iron core 1003 is arranged on the closing magnetic yoke 1001 and penetrates through the sleeve, the closing movable iron core 1002 can move towards the closing static iron core 1003 or away from the closing static iron core 1003, the push rod 1004 is fixed on the closing movable iron core 1002, and the push rod 1004 pushes the handle 601 of the operating mechanism 6 to drive the operating mechanism 6 to close.
As shown in fig. 9-11, the arc extinguishing system includes a partition 1101, an arc sheet 1102, an arc angle 1103, an arc extinguishing chamber 1104, an arc blocking plate 1105 and a magnetic conductive plate 1106, where the first fixed contact 5 is welded to the arc angle 1103 and disposed on the partition 1101, the second fixed contact 7 is welded to the arc angle 1103 and disposed on the bottom case 1, the arc sheet 1102 is disposed on the partition 1101, the two arc extinguishing chambers 1104 are disposed on two sides of the partition 1101, and the arc blocking plate 1105 is tightly attached to the magnetic conductive plate 1106 and disposed on the partition 1101 and disposed on one side of the arc extinguishing chamber 1104.
The distance between the inlet of the arc extinguish chamber and the static contact is about 8mm, which is beneficial for the electric arc to enter the arc extinguish chamber. When the circuit is short-circuited, the contacts are disconnected, electric arcs are formed between the moving contact and the fixed contact, two sections of series-connected electric arcs are formed by double breakpoints, theoretically, the voltage of the electric arcs is 2 times that of a single breakpoint, each section of electric arcs bears 50% of energy, and the increase of current is effectively limited. Due to the special shape of the arc striking angle, the excitation magnetic force of the electric arc and the air blast formed by high-temperature gas generation of the flash barrier, the electric arc quickly enters the arc extinguishing chamber, the voltage of the electric arc is quickly increased, the energy is absorbed by the arc extinguishing grid sheet to be reduced, and the arc extinguishing is more favorable.
The utility model discloses incoming line terminal, instantaneous coil, bimetallic element, first static contact link to each other in proper order, and the second static contact passes through the flexible coupling with the terminal that goes out. When the operating mechanism is switched on, the first moving contact is contacted with the first fixed contact, and the second moving contact is contacted with the second fixed contact, so that a main circuit of the circuit breaker is formed between the incoming line terminal and the outgoing line terminal to be conducted. The current transformer is arranged between the second fixed contact and the outgoing line terminal, has the function of detecting the current in the circuit, the closing electromagnet controls the operating mechanism to close the switch, the first moving contact is contacted with the first fixed contact, and the second moving contact is contacted with the second fixed contact, so that the circuit breaker main loop conduction is formed between the incoming line terminal and the outgoing line terminal; when a remote operation opening signal or a short circuit and leakage fault of a circuit is sent out, the tripper acts to trip the mechanism, separate the moving contact and the static contact and disconnect the circuit.
The operating mechanism is switched on by driving a handle to act through a switching-on electromagnet, a coil of the switching-on electromagnet is electrified, under the action of electromagnetic force, a push rod acts to push a cam structure on the handle, the handle rotates, and then the operating mechanism is switched on through a U-shaped rod pushing mechanism; when a remote operation brake-separating signal is sent or a leakage fault occurs, the electronic coil is connected into the circuit, and the brake-separating movable iron core is pulled to act under the action of electromagnetic force; when the circuit is short-circuited, the short-circuit current generates enough electromagnetic force to overcome the counterforce of an iron core spring, the separating brake movable iron core is pulled to act, the movable iron core pulls the operating mechanism to be locked, the four-bar mechanism is unlocked to be a five-bar mechanism, the mechanism is released, the movable contact and the static contact are separated, and the current main loop is disconnected.
The utility model discloses when the circuit takes place to transship, under specific overcurrent, bimetallic element begins to be heated and bends right, and pull rod and hasp contact stimulate the hasp dropout. The adjusting screw is screwed inwards, and the displacement of the bimetallic element can be adjusted.
The embodiment of the utility model provides a pair of intelligent circuit breaker of disconnect-type structure about strong and weak electricity, major loop forceful electric power and circuit board separation have been avoided forceful electric power and circuit board because the electric clearance undersize leads to puncturing the phenomenon of damaging the circuit board to and when the major loop takes place the short circuit, the contact produces electric arc to the damage of circuit board, has improved product fail safe nature, stability, and improves production efficiency.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Claims (6)

1. A disconnect-type intelligent circuit breaker which characterized in that: the circuit breaker comprises a bottom shell (1) and an upper cover (2), wherein the upper cover (2) is arranged on the bottom shell (1), and a circuit breaker cavity is formed by the bottom shell (1) and the inner space of the upper cover (2); an incoming line terminal (3) and an outgoing line terminal (9) are respectively arranged at two ends of the bottom shell, and a thermomagnetic system (4), a first fixed contact (5), an operating mechanism (6), a second fixed contact (7) and an arc extinguishing system (11) are arranged on the bottom shell (1) on one side of the cavity of the circuit breaker; the circuit breaker is characterized in that a circuit board (12) is arranged on the bottom shell (1) on the other side of the breaker cavity, and a mutual inductor (8) and a closing electromagnet (10) are further arranged on the other side of the breaker cavity.
2. The separable intelligent circuit breaker according to claim 1, wherein: the operating mechanism (6) is a double-breakpoint mechanism and comprises a handle (601), a U-shaped rod (602), a trip buckle (603), a lock catch (604), a contact support (605), a first moving contact (606), a second moving contact (607), a contact spring (608), a lock catch spring (609), a trip buckle spring (610), a shaft (611), a moving contact rivet (612) and a trip buckle rivet (613); the first moving contact (606) and the second moving contact (607) are respectively arranged at two sides of the contact support (605) and are connected through a moving contact rivet (612); the jump buckle (603) is connected with the contact support piece (605) through a jump buckle rivet (613), the jump buckle spring (610) penetrates through the jump buckle rivet (613) and is arranged between the contact support piece (605) and the jump buckle (603), one end of the U-shaped rod (602) is connected with the handle (601), and the other end of the U-shaped rod is connected with the jump buckle (603); the lock catch (604) is connected with the contact supporting piece (605) through a shaft (611), the contact spring (608) penetrates through the shaft (611) and is clamped on two sides of the contact supporting piece (605), two pins of the contact spring are respectively connected with the first moving contact (606) and the second moving contact (607), the other end of the contact spring is clamped on a stop block of the bottom shell (1), the lock catch spring (609) is arranged on the bottom shell (1), and one end of the lock catch spring is connected with the lock catch (604) and used for enabling the lock catch (604) to reset.
3. The separable intelligent circuit breaker according to claim 1, wherein: the thermomagnetic system (4) comprises an electromagnetic release (401), a bimetallic element (402), a pull rod (403), a bimetallic element fixing plate (404) and an adjusting screw assembly (405), wherein the pull rod (403) is fixed on the bimetallic element (402), the bimetallic element (402) is fixed on the bimetallic element fixing plate (404), the bimetallic element fixing plate (404) is arranged on the bottom shell (1), the electromagnetic release (401) is arranged on the bottom shell (1) and is arranged on one side of the bimetallic element (402), the electromagnetic release (401) is connected with the bimetallic element (402) through a flexible wire, and the adjusting screw assembly (405) is arranged on the bottom shell (1) and is used for adjusting the position of the bimetallic element (402).
4. A separate intelligent circuit breaker according to claim 3, characterized in that: the electromagnetic release (401) is an electronically-driven and instantaneously-driven double-coil release and comprises a brake-separating magnetic yoke (4011), a brake-separating movable iron core (4012), a brake-separating static iron core (4013), an iron core spring (4014), an electronic release coil (4015) and an instantaneous release coil (4016); quiet iron core of separating brake (4013) sets up on yoke (4011), the separating brake moves iron core (4012) and wears to establish in the sleeve, the sleeve sets up on yoke (4011), electron trip coil (4015) winding is on the sleeve, instantaneous trip coil (4016) cover is in electron trip coil (4015) outside, be provided with iron core spring (4014) between separating brake moves iron core (4012) and the quiet iron core of separating brake (4013).
5. The separable intelligent circuit breaker according to claim 1, wherein: the arc extinguishing system comprises a partition plate (1101), two arc striking plates (1102), two arc striking angles (1103), two arc extinguishing chambers (1104), two arc isolating plates (1105) and two magnetic conduction plates (1106), wherein the first fixed contacts (5) are welded with the arc striking angles (1103) and arranged on the partition plate (1101), the second fixed contacts (7) are welded with the arc striking angles (1103) and arranged on the bottom shell (1), the arc striking plates (1102) are arranged on the partition plate (1101), the two arc extinguishing chambers (1104) are respectively arranged on two sides of the partition plate (1101), and the arc isolating plates (1105) are tightly attached to the magnetic conduction plates (1106) and arranged on the partition plate (1101) and arranged on one side of the arc extinguishing chambers (1104).
6. The separable intelligent circuit breaker according to claim 1, wherein: the closing electromagnet comprises a closing magnetic yoke (1001), a closing movable iron core (1002), a closing static iron core (1003), a push rod (1004) and a closing coil (1005); the closing coil (1005) is wound on the sleeve, the static closing iron core (1003) is arranged on the closing magnetic yoke (1001) and penetrates through the sleeve, the movable closing iron core (1002) can move towards the static closing iron core (1003) or away from the static closing iron core (1003), the push rod (1004) is fixed on the movable closing iron core (1002), and the push rod (1004) pushes a handle (601) of the operating mechanism (6) to drive the operating mechanism (6) to close.
CN202222233229.2U 2022-08-24 2022-08-24 Disconnect-type intelligent circuit breaker Active CN218585896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222233229.2U CN218585896U (en) 2022-08-24 2022-08-24 Disconnect-type intelligent circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222233229.2U CN218585896U (en) 2022-08-24 2022-08-24 Disconnect-type intelligent circuit breaker

Publications (1)

Publication Number Publication Date
CN218585896U true CN218585896U (en) 2023-03-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222233229.2U Active CN218585896U (en) 2022-08-24 2022-08-24 Disconnect-type intelligent circuit breaker

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CN (1) CN218585896U (en)

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