Drawer type circuit breaker, switch cabinet and circuit system

Abstract

The utility model discloses a drawer type circuit breaker, a switch cabinet and a circuit system, the drawer type circuit breaker comprises a body, a plug-in assembly, a circuit breaker, a plurality of connecting pieces and a plurality of mutual inductance pieces, and the body is provided with a mounting cavity and a mounting wall participating in enclosing the mounting cavity; the plug-in assembly comprises a plurality of first plug-in pieces and a plurality of second plug-in pieces, all the first plug-in pieces are sequentially arranged on the mounting wall in a stepped mode, and all the second plug-in pieces are arranged on the mounting wall at intervals; the circuit breaker is arranged in the mounting cavity and is electrically connected with all the first plug connectors and all the second plug connectors; all the connecting pieces are arranged between the plugging assembly and the circuit breaker; the mutual inductance pieces and the second plug connectors are arranged in a one-to-one correspondence mode, and any mutual inductance piece is arranged on one second plug connector. According to the drawer type circuit breaker with the structure, the cost of the drawer type circuit breaker is reduced, the assembly steps can be reduced, the overall assembly efficiency is improved, and the space utilization rate of the mounting cavity of the drawer type circuit breaker can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a drawer-type circuit breaker, a switch cabinet and a circuit system. Background Art

[0002] The drawer-type switch cabinet is a closed shell made of steel plates. The electrical components of the incoming and outgoing line circuits are installed in withdrawable drawers, forming a functional unit that can complete a certain type of power supply task. At the same time, the drawer-type switch cabinet is widely used in the complete electrical industry because of its compact design, good versatility, standardized module design, safety and reliability, and easy maintenance.

[0003] In the prior art, the main circuit connector in the drawer of the drawer-type switch cabinet is an indispensable and important component for the stable operation of the drawer circuit, and the main circuit connector and the vertical busbar protective cover in the current drawer are all three-phase integrated structures or four-phase integrated structures, that is, when the drawer circuit needs to be operated, the operator can push the drawer into the switch cabinet, so that the incoming plug on the drawer is elastically plugged into the vertical busbar on the switch cabinet, and the outgoing plug on the drawer is elastically plugged into the outgoing static plug-in on the switch cabinet, so that the drawer circuit starts to operate. At the same time, the wiring terminal of the incoming plug and the incoming copper bar of the circuit breaker in the drawer are fixedly connected through the copper busbar or the wire, and the wiring terminal of the outgoing plug and the outgoing copper bar of the circuit breaker in the drawer are fixedly connected through the copper busbar or the wire, and a current transformer is installed on the copper bar or the wire, and the three-phase current is read through the current transformer, so that the drawer circuit can operate stably to complete the power supply function of the switch cabinet.

[0004] However, since the main circuit connectors and vertical busbar protective covers in the drawer are all three-phase integrated structures or four-phase integrated structures, the distance between phases is fixed and cannot be adjusted, and the plugs are arranged in a straight line. Therefore, when the connection terminal of the outlet plug is connected to the copper busbar at the outlet end of the circuit breaker, it is necessary to use a transfer copper busbar to transfer the copper busbar, which increases the cost of the drawer, and installing the mutual inductance on the copper busbar or wire will take up a lot of space in the drawer. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the defects of the existing drawers that a transfer copper busbar is needed to transfer the copper busbar, which increases the cost of the drawer, and the mutual inductance is installed on the copper busbar or the wire, which occupies a large amount of space in the drawer.

[0006] To this end, the utility model provides a drawer type circuit breaker, comprising:

[0007] A body having a mounting cavity and a mounting wall enclosing the mounting cavity;

[0008] A plug-in assembly, comprising a plurality of first plug-in connectors and a plurality of second plug-in connectors, wherein all the first plug-in connectors are arranged in a stepped manner on the mounting wall, and all the second plug-in connectors are arranged at intervals on the mounting wall, and all the first plug-in connectors are suitable for being electrically connected to the vertical busbar, and all the second plug-in connectors are suitable for being electrically connected to the static plug-in assembly;

[0009] a circuit breaker, arranged in the installation cavity and electrically connected to all the first connectors and all the second connectors, so as to receive the current transmitted from the first connector side and transmit the current to the second connector side, and the circuit breaker is suitable for controlling the on and off of the current;

[0010] a plurality of connectors, some of which are arranged between all the first connectors and the circuit breakers so that all the first connectors are electrically connected to the circuit breakers, and another portion of which is arranged between all the second connectors and the circuit breakers so that all the second connectors are electrically connected to the circuit breakers;

[0011] A plurality of mutual inductors are arranged in one-to-one correspondence with the second connectors, and any of the mutual inductors is arranged on a second connector to detect the current.

[0012] Optionally, in the above-mentioned drawer-type circuit breaker, a sleeve portion is provided on the mutual inductance component, so that when the mutual inductance component is sleeved on the second plug-in connector, the mutual inductance component is sleeved on the second plug-in connector through the sleeve portion.

[0013] Optionally, in the above-mentioned drawer-type circuit breaker, a first clamping portion is provided on the second connector, a second clamping portion is provided on the mutual inductance component, and the second clamping portion is provided in the sleeve portion, so that when the mutual inductance component is sleeved on the second connector through the sleeve portion, the first clamping portion and the second clamping portion are mutually clamped.

[0014] Optionally, in the above-mentioned drawer-type circuit breaker, a plurality of first penetration portions are provided on the mounting wall, and the first connector is suitable for passing through one of the first penetration portions, so that part of the first connector is arranged in the mounting cavity to be electrically connected to the connector, and the other part is arranged outside the mounting cavity to be electrically connected to the vertical busbar, and all the first penetration portions are arranged in a stepped manner in sequence on the mounting wall.

[0015] Optionally, in the above-mentioned drawer-type circuit breaker, a plurality of second penetration portions are opened on the mounting wall, and the second connector is suitable for passing through a second penetration portion, so that part of the second connector is arranged in the mounting cavity to be electrically connected to the connector, and the other part is arranged outside the mounting cavity to be electrically connected to the static plug-in assembly.

[0016] Optionally, the above-mentioned drawer-type circuit breaker further includes a plurality of locking members, any one of the first connectors is provided with a first fixing portion, any one of the second connectors is provided with a second fixing portion, and after the first connector and the second connector are installed on the mounting wall through the penetration portion, part of the locking members are suitable for passing through the first fixing portion to be connected to the mounting wall, and another part of the locking members are suitable for passing through the second fixing portion to be connected to the mounting wall, so as to fix the first connector and the second connector on the mounting wall respectively.

[0017] Optionally, in the above-mentioned drawer-type circuit breaker, a plurality of first abutment portions are provided on the first connector, and a plurality of second abutment portions are provided on the second connector, so that after the first connector and the second connector are installed on the mounting wall through the penetration portion, the first abutment portions and the second abutment portions respectively abut against the wall surface of the mounting wall away from the mounting cavity, and respectively cooperate with the locking member to fix the connector on the mounting wall.

[0018] Optionally, the above-mentioned drawer-type circuit breaker further includes a mounting member, which is arranged in the mounting cavity relative to the mounting wall, and one end of the mounting member is connected to the body, and the circuit breaker is arranged on the mounting member.

[0019] Optionally, in the above-mentioned drawer-type circuit breaker, a yielding portion is provided on the mounting member, and the circuit breaker is arranged on the mounting member to avoid the yielding portion, so that the part of the connecting member electrically connected to the first connector passes through the yielding portion to be electrically connected to the circuit breaker.

[0020] Optionally, the above-mentioned drawer-type circuit breaker further includes at least two connectors, the two connectors are arranged on the installation wall at intervals, and any one of the connectors is provided with a plurality of connector parts, and the connector parts are suitable for being electrically connected to cables.

[0021] A switch cabinet, comprising:

[0022] A cabinet body, wherein the cabinet body has a plurality of accommodating cavities arranged at intervals;

[0023] A plurality of drawer-type circuit breakers are provided, wherein the drawer-type circuit breakers are the above-mentioned drawer-type circuit breakers, and any of the drawer-type circuit breakers can be slidably disposed in the accommodating cavity.

[0024] Optionally, the switch cabinet further comprises a plurality of protection components, any of which corresponds to a first connector and is arranged on the cabinet body, and the protection components include:

[0025] A first protective member, wherein the first protective member has a first insertion cavity;

[0026] A vertical bus bar, part of which is disposed in the first plug-in cavity, so that when the first plug-in component is inserted into the first plug-in cavity under the action of an external force, the first plug-in component is electrically connected to the vertical bus bar.

[0027] Optionally, the switch cabinet further comprises a plurality of static plug-in components, any of which corresponds to a second plug-in component arranged on the cabinet body, and the static plug-in components comprise:

[0028] A second protective member, wherein the second protective member has a second insertion cavity;

[0029] A power connection piece, part of which is disposed in the second plug-in cavity, so that when the second plug-in connector is inserted into the second plug-in cavity under the action of an external force, the second plug-in connector is electrically connected to the power connection piece.

[0030] Optionally, the above-mentioned switch cabinet also includes at least one pair of fixing parts, and mounting parts are opened on opposite sides of the second protective part, and embedding parts corresponding to the positions of the mounting parts are opened on opposite sides of the power connection part, so that under the action of external force, the fixing part passes through the mounting part and is embedded in the embedding part, and fixes the power connection part in the second plug-in cavity.

[0031] Optionally, the above-mentioned switch cabinet also includes a grille member, which is arranged in the second plug-in cavity. When the power connection member and the second protective member are connected, the grille member is connected to the power connection member to fix the power connection member on the second protective member, and the grille member and the second protective member are an integrally formed structure.

[0032] Optionally, in the above-mentioned switch cabinet, a plurality of heat dissipation parts are provided on the second protective member, and the heat dissipation parts are provided on the second protective member to avoid the mounting part, and the heat dissipation parts connect the second plug-in cavity and the outside world, so as to dissipate the heat generated in the second plug-in cavity to the outside world after the power connection part is electrically connected to the second plug-in part.

[0033] Optionally, the above-mentioned switch cabinet further includes a plurality of covering members, any of which is arranged on the cabinet body and connected to the second protective member, and the covering member has a covering cavity arranged in an opening, and when part of the power connection parts are connected to the second protective member, another part of the power connection parts is arranged in the covering cavity, so that the covering member can shield external dust.

[0034] A circuit system includes a switch cabinet, wherein the switch cabinet is the switch cabinet mentioned above.

[0035] The technical solution provided by the utility model has the following advantages:

[0036] 1. The drawer-type circuit breaker provided by the utility model comprises a body, a plug-in assembly, a circuit breaker, a plurality of connectors and a plurality of mutual inductances, wherein the body has an installation cavity and an installation wall participating in enclosing the installation cavity; the plug-in assembly comprises a plurality of first connectors and a plurality of second connectors, all of which are arranged in a stepped manner on the installation wall in sequence, and all of which are arranged at intervals on the installation wall, and all of which are suitable for being electrically connected to a vertical busbar, and all of which are suitable for being electrically connected to a static plug-in assembly; the circuit breaker is arranged in the installation cavity and connected to all of the first connectors The connector is electrically connected to all the second connectors to receive the current transmitted from the first connector side and transmit the current to the second connector side, and the circuit breaker is suitable for controlling the on and off of the current; some connectors are arranged between all the first connectors and the circuit breaker to electrically connect all the first connectors and the circuit breaker, and another part of the connectors are arranged between all the second connectors and the circuit breaker to electrically connect all the second connectors and the circuit breaker; the mutual inductors are arranged one by one with the second connectors, and any mutual inductor is arranged on a second connector to detect the current.

[0037] The drawer-type circuit breaker of this structure is provided with a plug-in assembly and a circuit breaker on a body, a plurality of connectors provided between the plug-in assembly and the circuit breaker, and a plurality of mutual inductors provided on some of the plug-in assemblies, wherein the body has an installation cavity and an installation wall participating in enclosing the installation cavity, the plug-in assembly comprises a plurality of first plug-in components and a second plug-in component, and all the first plug-in components are arranged in a stepped manner on the installation wall in sequence, and all the second plug-in components are arranged on the installation wall at intervals, and at the same time, under the action of external force, the body can drive all the first plug-in components to be electrically connected to the vertical busbar, and drive all the second plug-in components to be electrically connected to the static plug-in assembly, thereby realizing the flow of current, and the circuit breaker is specifically provided in the installation cavity, and is connected to all The first connector is electrically connected to all the second connectors, thereby receiving the current transmitted from the first connector side, and transmitting the current to the second connector side, thereby realizing the circulation of current. At the same time, the circuit breaker can control the on and off of the current, so that when an emergency occurs, the circuit breaker can disconnect the current, thereby avoiding leakage and fire. At the same time, some connectors are arranged between all the first connectors and the circuit breaker, thereby realizing the electrical connection between all the first connectors and the circuit breaker, so that the circuit breaker can receive the current transmitted from the first connector. Since all the first connectors are independent individuals, and all the first connectors are arranged in a stepped manner on the installation wall, Some first connectors are staggered with each other and have a height difference, so that some of the connectors can be staggered with each other and can be directly electrically connected to the circuit breaker, thereby avoiding the use of a transfer copper bar to adjust the height difference between the connectors, and making some of the connectors staggered with each other. In this way, the cost of the drawer-type circuit breaker can be reduced, and when the drawer-type circuit breaker is assembled, the assembly steps can be reduced, so that the overall assembly efficiency of the drawer-type circuit breaker is improved. Another part of the connector is arranged between all the second plug-in wires and the circuit breaker, so as to realize the electrical connection between all the second connectors and the circuit breaker, so that the circuit breaker can transmit the current to the second connector side, and the mutual inductance and the second connector are connected one by one. Correspondingly, each second connector is provided with a mutual inductor, so that the mutual inductor can detect the current flowing through the second connector, and then the operator can judge whether the intensity of the current meets the intensity, that is, whether there is a situation where the current is too large or too small, so that the operator can perform corresponding operations according to the intensity of the current and make the current at a normal intensity. By setting all the second connectors as separate individuals and arranging all the second connectors at intervals on the installation wall, the mutual inductor can be sleeved and connected to the second connector, thereby reducing the space usage in the installation cavity and providing a larger space for the installation of other components in the installation cavity, which is beneficial to improve the space utilization rate of the installation cavity of the main body.

[0038] 2. The switch cabinet, cabinet body and several drawer-type circuit breakers provided by the utility model, the cabinet body has several accommodating chambers arranged at intervals; the drawer-type circuit breaker is the above-mentioned drawer-type circuit breaker, and any drawer-type circuit breaker can be slidably arranged in the accommodating chamber.

[0039] The switch cabinet of this structure is provided with a drawer-type circuit breaker on the cabinet body, wherein the cabinet body has a plurality of accommodating cavities arranged at intervals, the drawer-type circuit breaker is the above-mentioned drawer-type circuit breaker, and each drawer-type circuit breaker can be slidably arranged in an accommodating cavity, so that when an external force is applied, the drawer-type circuit breaker can slide in the accommodating cavity, thereby enabling the first plug-in connector on the drawer-type circuit breaker to be electrically connected to the vertical busbar arranged on the switch cabinet, and enabling the second plug-in connector to be electrically connected to the static plug-in component arranged on the switch cabinet. In addition, by setting the drawer-type circuit breaker as the above-mentioned drawer-type circuit breaker, the cost of the switch cabinet can be reduced, and when the switch cabinet is assembled, the assembly steps can be reduced, thereby improving the overall assembly efficiency of the switch cabinet, and the mutual inductance can be sleeved and connected to the plug-in connector, thereby reducing the space usage in the installation cavity, and providing a larger space for the installation of other components in the installation cavity, thereby facilitating improving the space utilization rate of the installation cavity of the main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 A schematic diagram of the structure of a drawer-type circuit breaker provided in an embodiment of the utility model;

[0042] Figure 2 A schematic diagram of the structure of the main body provided in an embodiment of the utility model;

[0043] Figure 3 A schematic diagram of the layout of the plug-in assembly provided in an embodiment of the utility model;

[0044] Figure 4 It is a structural schematic diagram of a second plug connector provided in an embodiment of the utility model;

[0045] Figure 5 It is a schematic diagram of the top view of the static plug assembly and the cover member provided in the embodiment of the utility model;

[0046] Figure 6It is a bottom view structural schematic diagram of the static plug assembly and the cover member provided in the embodiment of the utility model;

[0047] Figure 7 It is a structural schematic diagram of a mutual inductance provided in an embodiment of the utility model;

[0048] Description of reference numerals:

[0049] 1-body; 11-installation cavity; 12-installation wall; 121-first penetration portion; 122-second penetration portion;

[0050] 2-connection assembly; 21-first connector; 22-second connector; 221-first clamping portion; 222-second fixing portion; 223-second abutting portion;

[0051] 3-mutual inductor; 31-sleeve portion; 32-second clamping portion;

[0052] 4-mounting part; 41-giving part; 5-connector;

[0053] 6-protection assembly; 61-first protection member; 62-vertical busbar;

[0054] 7-static plug assembly; 71-second protective member; 711-installation portion; 712-heat dissipation portion; 72-electrical connection member;

[0055] 81-circuit breaker; 82-connector; 83-cabinet;

[0056] 91 - fixing member; 92 - grille member; 93 - covering member. DETAILED DESCRIPTION

[0057] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0058] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0059] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0061] Example 1

[0062] This embodiment provides a drawer type circuit breaker, such as Figures 1 to 7 As shown, it includes a body 1, a plug assembly 2, a circuit breaker 81, a plurality of connectors 82 and a plurality of mutual inductance parts 3. The body 1 has an installation cavity 11 and a mounting wall 12 that participates in enclosing the installation cavity 11; the plug assembly 2 includes a plurality of first plug connectors 21 and a plurality of second plug connectors 22, all of the first plug connectors 21 are arranged in a stepped manner on the installation wall 12, and all of the second plug connectors 22 are arranged on the installation wall 12 at intervals, all of the first plug connectors 21 are suitable for being electrically connected to the vertical bus 62, and all of the second plug connectors 22 are suitable for being electrically connected to the static plug assembly 7; the circuit breaker 81 is arranged in the installation cavity 11, and is connected to all of the first plug connectors 21 and the Some second connectors 22 are electrically connected to receive current transmitted from the first connector 21 side and transmit the current to the second connector 22 side, and the circuit breaker 81 is suitable for controlling the on and off of the current; some connectors 82 are arranged between all the first connectors 21 and the circuit breakers 81 to electrically connect all the first connectors 21 and the circuit breakers 81, and another part of the connectors 82 are arranged between all the second connectors 22 and the circuit breakers 81 to electrically connect all the second connectors 22 and the circuit breakers 81; the mutual inductors 3 are arranged one by one with the second connectors 22, and any mutual inductor 3 is arranged on a second connector 22 to detect the current.

[0063] The drawer-type circuit breaker of the above structure is provided with a plug-in assembly 2 and a circuit breaker 81 on the body 1, a plurality of connectors 82 provided between the plug-in assembly 2 and the circuit breaker 81, and a plurality of transformers provided on part of the plug-in assembly 2, wherein the body 1 has a mounting cavity 11 and a mounting wall 12 participating in enclosing the mounting cavity 11, the plug-in assembly 2 comprises a plurality of first plug-in components 21 and a second plug-in component 22, and all the first plug-in components 21 are arranged in a stepped manner on the mounting wall 12, and all the second plug-in components 22 are arranged on the mounting wall 12 at intervals, and at the same time, when an external force is applied, the body 1 can It is capable of driving all the first connectors 21 to be electrically connected to the vertical bus 62, and driving all the second connectors 22 to be electrically connected to the static plug-in assembly 7, thereby realizing the circulation of current. The circuit breaker 81 is specifically arranged in the installation cavity 11, and is electrically connected to all the first connectors 21 and all the second connectors 22, thereby receiving the current transmitted from the first connector 21 side, and transmitting the current to the second connector 22 side, thereby realizing the circulation of current. At the same time, the circuit breaker 81 can control the on and off of the current, so that when an emergency occurs, the circuit breaker 81 can disconnect the current, thereby avoiding leakage and fire.

[0064] In addition, some connectors 82 are arranged between all the first connectors 21 and the circuit breaker 81, so as to realize electrical connection between all the first connectors 21 and the circuit breaker 81, so that the circuit breaker 81 can receive the current transmitted by the first connectors 21, and because all the first connectors 21 are independent individuals, and all the first connectors 21 are arranged in sequence on the mounting wall 12 in a stepped manner, so that all the first connectors 21 are staggered with each other and have a height difference, and some of the connectors 82 can be staggered with each other and can be directly electrically connected to the circuit breaker 81, thereby avoiding the use of transfer copper bars to adjust the height difference between the connectors 82, and some of the connectors 82 are staggered with each other. In this way, the cost of the drawer-type circuit breaker can be reduced, and when the drawer-type circuit breaker is assembled, the assembly steps can be reduced, so that the overall assembly efficiency of the drawer-type circuit breaker is improved.

[0065] Another part of the connecting member 82 is arranged between all the second plug-in wires and the circuit breaker 81, so as to realize the electrical connection between all the second plug-in connectors 22 and the circuit breaker 81, so that the circuit breaker 81 can transmit the current to the second plug-in connector 22 side. The mutual inductance 3 is arranged one by one with the second plug-in connector 22, that is, each second plug-in connector 22 is provided with a mutual inductance 3, so that the mutual inductance 3 can detect the current flowing through the second plug-in connector 22, so that the operator can judge whether the intensity of the current meets the intensity, that is, whether there is a situation where the current is too large or too small, so that the operator can perform corresponding operations according to the intensity of the current and make the current at a normal intensity. By setting all the second plug-in connectors 22 as separate individuals and all the second plug-in connectors 22 are spaced apart on the installation wall 12, the mutual inductance 3 can be sleeved and connected to the second plug-in connector 22, thereby reducing the space usage in the installation cavity 11 and providing a larger space for the installation of other components in the installation cavity 11, which is beneficial to improve the space utilization rate of the installation cavity 11 of the main body 1.

[0066] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 and Figure 7 As shown, a sleeve portion 31 is provided on the mutual inductance component 3 , so that when the mutual inductance component 3 is sleeved on the second plug connector 22 , the mutual inductance component 3 is sleeved on the second plug connector 22 through the sleeve portion 31 .

[0067] The drawer-type circuit breaker of the above structure has a sleeve portion 31 provided on the mutual inductance component 3. The sleeve portion 31 is a sleeve hole in this embodiment. Therefore, when the mutual inductance component 3 is sleeved on the second plug-in connector 22, the mutual inductance component 3 can be sleeved on the second plug-in connector 22 through the sleeve portion 31, which is beneficial to improving the installation efficiency of the mutual inductance component 3.

[0068] The drawer-type circuit breaker provided in this embodiment is as follows: Figures 3 to 7 As shown, a first clamping portion 221 is provided on the second connector 22, a second clamping portion 32 is provided on the mutual inductance component 3, and the second clamping portion 32 is arranged in the sleeve portion 31, so that when the mutual inductance component 3 is sleeved on the second connector 22 through the sleeve portion 31, the first clamping portion 221 and the second clamping portion 32 are mutually clamped.

[0069] The drawer-type circuit breaker of the above structure is provided with a first clamping portion 221 on the second connector 22 and a second clamping portion 32 on the mutual inductance 3. The first clamping portion 221 and the second clamping portion 32 are both clamping blocks in the present embodiment, and the first clamping portion 221 is provided on the side wall of the second connector 22, and the second clamping portion 32 is provided in the sleeve portion 31 of the mutual inductance 3. Therefore, when the mutual inductance 3 is sleeved on the second connector 22 through the sleeve portion 31, the first clamping portion 221 and the second clamping portion 32 can be mutually clamped, thereby improving the connection strength between the second connector 22 and the mutual inductance 3, so that the mutual inductance 3 will not fall off from the second connector 22 in a natural state, and the mutual inductance 3 can be removed from the second connector 22 only under the operation of an operator.

[0070] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, a plurality of first penetration portions 121 are provided on the mounting wall 12, and the first connector 21 is suitable for passing through a first penetration portion 121, so that part of the first connector 21 is arranged in the mounting cavity 11 to be electrically connected to the connector 82, and the other part is arranged outside the mounting cavity 11 to be electrically connected to the vertical bus 62, and all the first penetration portions 121 are arranged in sequence in a stepped manner on the mounting wall 12.

[0071] The drawer-type circuit breaker of the above-mentioned structure has a plurality of first penetration portions 121 provided on the mounting wall 12. In the present embodiment, the first penetration portion 121 is a first penetration hole provided on the mounting wall 12, so that each first connector 21 can pass through a first penetration portion 121 and be installed on the mounting wall 12 through the first penetration portion 121. At the same time, the first connector 21 can also be partially arranged in the mounting cavity 11 through the first penetration portion 121, and the portion is electrically connected to the connector 82, and the other portion is arranged outside the mounting cavity 11, and the portion is electrically connected to the vertical bus 62. In addition, all the first penetration portions 121 are arranged in sequence in a stepped manner on the mounting wall 12, so that when the first connector 21 passes through the first penetration portion 121, all the first connectors 21 can be arranged in sequence in a stepped manner.

[0072] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 and Figure 2 As shown, a plurality of second penetration portions 122 are provided on the mounting wall 12, and the second connector 22 is suitable for passing through a second penetration portion 122, so that a portion of the second connector 22 is disposed in the mounting cavity 11 to be electrically connected to the connector 82, and another portion is disposed outside the mounting cavity 11 to be electrically connected to the static plug assembly 7.

[0073] The drawer-type circuit breaker of the above-mentioned structure has a plurality of second penetration portions 122 provided on the mounting wall 12. In the present embodiment, the second penetration portions 122 are second penetration holes provided on the mounting wall 12, so that each second connector 22 can pass through a second penetration portion 122 and be installed on the mounting wall 12 through the second penetration portion 122. At the same time, the second connector 22 can also be partially disposed in the mounting cavity 11 through the second penetration portion 122, and the portion is electrically connected to the connector 82, and the other portion is disposed outside the mounting cavity 11, and the portion is electrically connected to the static plug-in assembly 7. In addition, all the second penetration portions 122 are spaced apart on the mounting wall 12, so that when the second connector 22 passes through the second penetration portion 122, all the second connectors 22 can be spaced apart.

[0074] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 and Figure 3 As shown, it also includes a plurality of locking members, a first fixing portion is provided on any first connector 21, a second fixing portion 222 is provided on any second connector 22, and after the first connector 21 and the second connector 22 are installed on the mounting wall 12 through the penetration portion, some of the locking members are suitable for passing through the first fixing portion to connect with the mounting wall 12, and another part of the locking members are suitable for passing through the second fixing portion 222 to connect with the mounting wall 12, so as to fix the first connector 21 and the second connector 22 on the mounting wall 12 respectively.

[0075] The drawer-type circuit breaker of the above structure has a first fixing portion provided on the first connector 21, a second fixing portion 222 provided on the second connector 22, and a locking member arranged between the first connector 21, the second connector 22 and the mounting wall 12. In this embodiment, the first fixing portion and the second fixing portion 222 are respectively a first fixing hole provided on the first connector 21 and a second fixing hole provided on the second connector 22. The locking member is a screw in this embodiment. Therefore, after the first connector 21 passes through the first penetration portion 121, the locking member can pass through the first fixing portion to connect with the mounting wall 12, thereby installing and fixing the first connector 21 on the mounting wall 12. After the second connector 22 passes through the second penetration portion 122, the locking member can pass through the second fixing portion 222 to connect with the mounting wall 12, thereby installing and fixing the second connector 22 on the mounting wall 12.

[0076] In addition, when the main body 1 moves under the action of external force, the first connector 21 and the second connector 22 can move synchronously with the main body 1, so that the first connector 21 can be electrically connected to the vertical bus 62, and the second connector 22 can be electrically connected to the static plug-in component 7 to obtain current, and by passing the locking piece through the first fixing portion and the second fixing portion 222, the installation efficiency of the first connector 21 and the second connector 22 can be effectively improved.

[0077] The drawer-type circuit breaker provided in this embodiment is as follows: Figures 1 to 4 As shown, a plurality of first abutment portions are provided on the first connector 21, and a plurality of second abutment portions 223 are provided on the second connector 22, so that after the first connector 21 and the second connector 22 are installed on the mounting wall 12 through the penetration portion, the first abutment portions and the second abutment portions 223 respectively abut against the wall surface of the mounting wall 12 away from the mounting cavity 11, and respectively cooperate with the locking members to fix the connectors on the mounting wall 12.

[0078] The drawer-type circuit breaker of the above-mentioned structure is provided with a plurality of first abutting portions 223 provided on the first connector 21 and a plurality of second abutting portions 223 provided on the second connector 22. In the present embodiment, the first abutting portion and the second abutting portion 223 are respectively a first abutting block provided on the first connector 21 and a second abutting block provided on the second connector 22. Thus, when the first connector 21 and the second connector 22 respectively pass through the first penetration portion 121 and the second penetration portion 122 and are both fixed to the mounting wall 12 by the locking member, the first abutting portion and the second abutting portion 223 can both abut against the wall surface of the mounting wall 12 away from the mounting cavity 11, thereby cooperating with the locking member to tightly fix the first connector 21 and the second connector 22 on the mounting wall 12, and can prevent the first connector 21 and the second connector 22 from shaking on the mounting wall 12, thereby making it impossible to make a stable electrical connection between the first connector 21 and the vertical busbar 62, and between the second connector 22 and the static plug-in assembly 7.

[0079] The drawer-type circuit breaker provided in this embodiment is as follows: Figures 1 to 3 As shown, it also includes a mounting member 4 , which is arranged in the mounting cavity 11 relative to the mounting wall 12 , and one end of the mounting member 4 is connected to the body 1 , and the circuit breaker 81 is arranged on the mounting member 4 .

[0080] The drawer-type circuit breaker of the above structure is provided with a mounting member 4 in the mounting cavity 11. The mounting member 4 is a mounting plate in this embodiment. The mounting member 4 is specifically provided in the mounting cavity 11 relative to the mounting wall 12. At the same time, the circuit breaker 81 is provided on the mounting member 4, so that the circuit breaker 81 is provided in the mounting cavity 11. Since the mounting member 4 is provided relative to the mounting wall 12, it is convenient for the connector 82 to electrically connect the first connector 21 and the circuit breaker 81 as well as the second connector 22 and the circuit breaker 81.

[0081] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 and Figure 3 As shown, a clearance portion 41 is provided on the mounting member 4 , and the circuit breaker 81 is arranged on the mounting member 4 to avoid the clearance portion 41 , so that a part of the connector 82 electrically connected to the first plug connector 21 passes through the clearance portion 41 to be electrically connected to the circuit breaker 81 .

[0082] The drawer-type circuit breaker of the above structure has a yielding portion 41 provided on the mounting member 4. The yielding portion 41 is a yielding hole provided on the mounting member 4 in this embodiment. At the same time, the yielding portion 41 of the circuit breaker 81 is provided on the mounting member 4, so that one end of the connecting member 82 electrically connecting the first plug-in member 21 and the circuit breaker 81 and electrically connected to the circuit breaker 81 can pass through the yielding portion 41 and be electrically connected to the circuit breaker 81, which is beneficial to improving the connection efficiency of this part of the connecting member 82.

[0083] The drawer-type circuit breaker provided in this embodiment is as follows: Figure 1 As shown, at least two connectors 5 are also included. The two connectors 5 are arranged on the installation wall 12 at intervals, and any connector 5 is provided with a plurality of connectors, which are suitable for electrical connection with cables.

[0084] The drawer-type circuit breaker of the above structure is provided with a connector 5 on the mounting wall 12. The connector 5 is a secondary connector in this embodiment. Specifically, two connectors 5 are provided, and the two connectors 5 are spaced apart on the mounting wall 12. Since all the second connectors 22 are separate individuals, and they are spaced apart on the mounting wall 12, specifically, they are arranged in a herringbone shape on the mounting wall 12, therefore, this installation method provides installation space for the two connectors 5. At the same time, each connector 5 is provided with 20 plug-in parts. The plug-in parts are secondary contacts provided on the connector 5 in this embodiment, and each plug-in part can be electrically connected to a cable, so that the drawer-type circuit breaker has more interfaces available to the outside world, which is beneficial to improving the emergency performance of the drawer-type circuit breaker.

[0085] The drawer-type circuit breaker provided by the utility model is provided with a plug-in assembly 2 and a circuit breaker 81 arranged on a body 1, a plurality of connectors 82 arranged between the plug-in assembly 2 and the circuit breaker 81, and a plurality of mutual inductors arranged on part of the plug-in assembly 2, wherein the body 1 has an installation cavity 11 and an installation wall 12 participating in enclosing the installation cavity 11, the plug-in assembly 2 comprises a plurality of first plug-in components 21 and a second plug-in component 22, and all the first plug-in components 21 are arranged in a stepped manner on the installation wall 12 in sequence, and all the second plug-in components 22 are arranged on the installation wall 12 at intervals, and at the same time, under the action of an external force, the body 1 can drive all the first plug-in components 21 to be electrically connected to the vertical busbar 62, and drive all the second plug-in components 22 to be electrically connected to the static plug-in components 21, and the first plug-in components 21 are arranged in a stepped manner in sequence on the installation wall 12, and all the second plug-in components 22 are arranged on the installation wall 12 at intervals, and at the same time, under the action of an external force, the body 1 can drive all the first plug-in components 21 to be electrically connected to the vertical busbar 62, and drive all the second plug-in components 22 to be electrically connected to the static plug-in components 21, and drive all the second plug-in components 22 to be electrically connected to the static plug-in components 2 ... The components 7 are electrically connected to realize the circulation of current. The circuit breaker 81 is specifically arranged in the installation cavity 11 and is electrically connected to all the first connectors 21 and all the second connectors 22, so as to receive the current transmitted from the first connector 21 side and transmit the current to the second connector 22 side, so as to realize the circulation of current. At the same time, the circuit breaker 81 can control the on and off of the current, so that when an emergency occurs, the circuit breaker 81 can disconnect the current, so as to avoid leakage and fire. At the same time, the partial connector 82 is arranged between all the first connectors 21 and the circuit breaker 81, so as to realize the electrical connection between all the first connectors 21 and the circuit breaker 81, so as to enable the circuit breaker 81 to receive the current transmitted from the first connector 21. Since all the first connectors 21 are independent individuals, and all the first connectors 21 are arranged in sequence on the mounting wall 12 in a stepped manner, all the first connectors 21 are staggered with each other and have a height difference, and some of the connectors 82 can be staggered with each other and can be directly electrically connected to the circuit breaker 81, thereby avoiding the use of a transfer copper bar to adjust the height difference between the connectors 82, and some of the connectors 82 are staggered with each other, so that the cost of the drawer-type circuit breaker can be reduced, and when the drawer-type circuit breaker is assembled, the assembly steps can be reduced, thereby improving the overall assembly efficiency of the drawer-type circuit breaker, and the other part of the connector 82 is arranged on all the second The plug wire and the circuit breaker 81 are connected to each other, thereby realizing the electrical connection between all the second connectors 22 and the circuit breaker 81, so that the circuit breaker 81 can transmit the current to the second connector 22 side, and the mutual inductance 3 is arranged one by one with the second connector 22, that is, each second connector 22 is provided with a mutual inductance 3, so that the mutual inductance 3 can detect the current flowing through the second connector 22, and then the operator can judge whether the intensity of the current meets the intensity, that is, whether there is a situation where the current is too large or too small, so that the operator can perform corresponding operations according to the intensity of the current and make the current at a normal intensity, and by setting all the second connectors 22 as separate individuals, and all the second connectors 22 are arranged on the installation wall 12 at intervals,Thus, the mutual inductor 3 can be sleeved and connected to the second plug connector 22, thereby reducing the space usage in the installation cavity 11 and providing a larger space for the installation of other components in the installation cavity 11, thereby facilitating the improvement of the space utilization rate of the installation cavity 11 of the body 1.

[0086] Example 2

[0087] This embodiment provides a switch cabinet, such as Figures 1 to 7 As shown, a cabinet 83 and several drawer-type circuit breakers, the cabinet 83 has several accommodating cavities arranged at intervals; the drawer-type circuit breakers are the above-mentioned drawer-type circuit breakers, and any drawer-type circuit breaker can be slidably arranged in the accommodating cavity.

[0088] The switch cabinet of the above structure is provided with a drawer-type circuit breaker on the cabinet body 83, wherein the cabinet body 83 has a plurality of spaced accommodating cavities, the drawer-type circuit breaker is the above-mentioned drawer-type circuit breaker, and each drawer-type circuit breaker can be slidably arranged in an accommodating cavity, so that when an external force is applied, the drawer-type circuit breaker can slide in the accommodating cavity, so that the first plug-in connector 21 on the drawer-type circuit breaker can be electrically connected to the vertical bus 62 arranged on the switch cabinet, and the second plug-in connector 22 can be electrically connected to the static plug-in component 7 arranged on the switch cabinet. In addition, by setting the drawer-type circuit breaker as the above-mentioned drawer-type circuit breaker, the cost of the switch cabinet can be reduced, and when the switch cabinet is assembled, the assembly steps can be reduced, so that the overall assembly efficiency of the switch cabinet is improved, and the mutual inductance component 3 can be sleeved and connected on the plug-in connector, thereby reducing the space usage in the installation cavity 11 and providing a larger space for the installation of other components in the installation cavity 11, which is beneficial to improving the space utilization rate of the installation cavity 11 of the main body 1.

[0089] The switch cabinet provided in this embodiment is as follows: Figure 1 and Figure 3 As shown, it also includes a plurality of protective components 6, and any protective component 6 corresponds to a first connector 21 arranged on the cabinet 83. The protective component 6 includes a first protective component 61 and a vertical bus 62. The first protective component 61 has a first plug-in cavity; part of the vertical bus 62 is arranged in the first plug-in cavity, so that when the first connector 21 is inserted into the first plug-in cavity under the action of external force, the first connector 21 is electrically connected to the vertical bus 62.

[0090] The switch cabinet of the above structure is provided with a plurality of protective components 6 on the cabinet body 83. The protective components 6 specifically include a first protective member 61 and a vertical busbar 62. The first protective member 61 is a first protective shell in the present embodiment, and each protective component 6 corresponds to a first plug-in connector 21 provided on the cabinet body 83, so that each first plug-in connector 21 can be electrically connected to a vertical busbar 62. The first protective member 61 is specifically provided on the cabinet body 83, and each first protective member 61 has a first plug-in cavity, and a portion of the vertical busbar 62 is provided in the first plug-in cavity. Therefore, when the first plug-in connector 21 is inserted into the first plug-in cavity under the action of external force, the first plug-in connector 21 can be electrically connected to a portion of the vertical busbar 62 provided in the first plug-in cavity, thereby obtaining the current on the vertical busbar 62.

[0091] The switch cabinet provided in this embodiment is as follows: Figures 1 to 6 As shown, it also includes a plurality of static plug-in components 7, and any static plug-in component 7 corresponds to a second plug-in connector 22 arranged on the cabinet 83. The static plug-in component 7 includes a second protective component 71 and an electrical connection component 72. The second protective component 71 has a second plug-in cavity; part of the electrical connection component 72 is arranged in the second plug-in cavity, so that when the second plug-in connector 22 is inserted into the second plug-in cavity under the action of external force, the second plug-in connector 22 is electrically connected to the electrical connection component 72.

[0092] The switch cabinet of the above structure is provided with a plurality of static plug-in components 7 on the cabinet body 83. The static plug-in components 7 specifically include a second protective member 71 and an electrical connection member 72. The second protective member 71 is a second protective shell in the present embodiment, and the electrical connection member 72 is a copper busbar in the present embodiment. Each static plug-in component 7 corresponds to a second plug-in connector 22 provided on the cabinet body 83, so that each second plug-in connector 22 can be electrically connected to an electrical connection member 72. The second protective member 71 is specifically provided on the cabinet body 83, and each second protective member 71 has a second plug-in cavity, and part of the electrical connection member 72 is provided in the second plug-in cavity. Therefore, when the second plug-in connector 22 is inserted into the second plug-in cavity under the action of external force, the second plug-in connector 22 can be electrically connected to part of the electrical connection member 72 provided in the second plug-in cavity, thereby obtaining the current on the electrical connection member 72.

[0093] The switch cabinet provided in this embodiment is as follows: Figures 1 to 6 As shown, at least one pair of fixing members 91 is included, mounting portions 711 are provided on opposite sides of the second protective member 71, and embedding portions corresponding to the positions of the mounting portions 711 are provided on opposite sides of the power connection member 72, so that under the action of external force, the fixing member 91 passes through the mounting portion 711 and is embedded into the embedding portion, and the power connection member 72 is fixed in the second plug-in cavity.

[0094] The switch cabinet of the above structure is provided with mounting parts 711 on opposite sides of the second protective member 71, embedded parts on opposite sides of the power connection member 72 corresponding to the position of the mounting parts 711, and a fixing member 91 arranged between the second protective member 71 and the power connection member 72. The mounting parts 711 in this embodiment are mounting holes provided on the second protective member 71, the embedded parts in this embodiment are embedded grooves provided on the power connection member 72, and the fixing member 91 in this embodiment is a fixing block. Therefore, when the part of the power connection member 72 with the embedded parts is provided in the second plug-in cavity, the embedded parts can correspond to the mounting parts 711, so that the fixing member 91 can pass through the mounting parts 711 and be embedded in the embedded parts, so that the power connection member 72 is fixed on the second protective member 71, and the power connection member 72 can be prevented from falling off from the second protective member 71, which is beneficial to improve the connection strength between the second protective member 71 and the power connection member 72.

[0095] The switch cabinet provided in this embodiment is as follows: Figure 1 and Figure 5 As shown, it also includes a grille member 92, which is arranged in the second plug-in cavity. When the power connection member 72 and the second protective member 71 are connected, the grille member 92 is connected to the power connection member 72 to fix the power connection member 72 on the second protective member 71, and the grille member 92 and the second protective member 71 are an integrally formed structure.

[0096] The switch cabinet of the above structure has a grille member 92 arranged in the second plug-in cavity. The grille member 92 is a protective grille in the present embodiment. When the power connection member 72 is connected to the second protective member 71, the second protective member 71 is connected to the power connection member 72 through the grille member 92, thereby fixing the power connection member 72 on the second protective member 71, thereby avoiding the power connection member 72 from falling off. The grille member 92 and the second protective member 71 are an integrally formed structure, which facilitates the manufacture of the second protective member 71 and the grille member 92, and is beneficial to improving the production efficiency of the second protective member 71 and the grille member 92. At the same time, it also facilitates the assembly efficiency of the second protective member 71 and the grille member 92, that is, it is necessary to first install the grille member 92 in the second plug-in cavity, and then install the second protective member 71 on the cabinet body 83.

[0097] The switch cabinet provided in this embodiment is as follows: Figure 5 and Figure 6 As shown, a plurality of heat dissipation portions 712 are provided on the second protective member 71. The heat dissipation portions 712 are provided on the second protective member 71 to avoid the mounting portion 711, and the heat dissipation portions 712 connect the second plug-in cavity and the outside world, so as to dissipate the heat generated in the second plug-in cavity to the outside world after the power connection member 72 is electrically connected to the second plug-in member 22.

[0098] The switch cabinet of the above structure has a heat dissipation portion 712 provided on the second protective member 71. The heat dissipation portion 712 in this embodiment is a heat dissipation hole provided on the second protective member 71, and the heat dissipation portion 712 is provided on the second protective member 71 to avoid the mounting portion 711. At the same time, the heat dissipation portion 712 can connect the second plug-in cavity and the outside world. Therefore, after the power connection member 72 is electrically connected to the second plug-in member 22, the heat dissipation portion 712 can discharge the heat generated in the second plug-in cavity to the outside world, thereby avoiding heat accumulation in the second plug-in cavity, thereby affecting the normal operation of the power connection member 72.

[0099] The switch cabinet provided in this embodiment is as follows: Figures 1 to 6 As shown, it also includes a plurality of covering members 93, any of which is arranged on the cabinet 83 and connected to the second protective member 71, and the covering member 93 has a covering cavity which is arranged with an opening, and when a part of the power connection member 72 is connected to the second protective member 71, another part of the power connection member 72 is arranged in the covering cavity, so that the covering member 93 can shield the external dust.

[0100] The switch cabinet of the above structure is provided with a plurality of covering members 93 on the cabinet body 83. The covering member 93 in the present embodiment is a covering shell, and the covering member 93 is also connected to the second protective member 71, and the covering member 93 has a covering cavity which is arranged with an opening, so that the part of the power connection member 72 which is not arranged in the second plug-in cavity can be arranged in the covering cavity. At the same time, the opening of the covering cavity is arranged toward the ground, so that the covering member 93 can cover the part of the power connection member 72 which is not arranged in the second plug-in cavity, and can separate the external dust from the part of the power connection member 72 which is not arranged in the second plug-in cavity, thereby ensuring the normal operation of the power connection member 72.

[0101] Example 3

[0102] This embodiment provides a circuit system, such as Figures 1 to 7As shown, it includes a switch cabinet, and the switch cabinet is the switch cabinet mentioned above. The circuit system of the above structure is achieved by using the above switch cabinet, that is, by a drawer-type circuit breaker arranged on the cabinet body 83, wherein the cabinet body 83 has a plurality of spaced accommodating cavities, the drawer-type circuit breaker is the above-mentioned drawer-type circuit breaker, and each drawer-type circuit breaker can be slidably arranged in an accommodating cavity, so that under the action of external force, the drawer-type circuit breaker can slide in the accommodating cavity, so that the first plug-in connector 21 on the drawer-type circuit breaker can be electrically connected to the vertical bus 62 arranged on the switch cabinet, and the second plug-in connector 22 can be electrically connected to the static plug-in component 7 arranged on the switch cabinet. In addition, by setting the drawer-type circuit breaker as the above-mentioned drawer-type circuit breaker, the cost of the switch cabinet can be reduced, and when the switch cabinet is assembled, the assembly steps can be reduced, so that the overall assembly efficiency of the switch cabinet is improved, and the mutual inductance 3 can be sleeved and connected on the plug-in connector, thereby reducing the space usage in the installation cavity 11 and providing a larger space for the installation of other components in the installation cavity 11, which is beneficial to improve the space utilization rate of the installation cavity 11 of the body 1.

[0103] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A drawer type circuit breaker, characterized in that: include: A body (1) having a mounting cavity (11) and a mounting wall (12) enclosing the mounting cavity (11); A plug-in assembly (2), comprising a plurality of first plug-in connectors (21) and a plurality of second plug-in connectors (22), wherein all of the first plug-in connectors (21) are arranged in a stepped manner on the mounting wall (12), and all of the second plug-in connectors (22) are arranged at intervals on the mounting wall (12), and all of the first plug-in connectors (21) are suitable for being electrically connected to a vertical busbar (62), and all of the second plug-in connectors (22) are suitable for being electrically connected to a static plug-in assembly (7); a circuit breaker (81), arranged in the installation cavity (11) and electrically connected to all the first connectors (21) and all the second connectors (22) to receive current transmitted from the first connector (21) and transmit the current to the second connector (22), wherein the circuit breaker (81) is suitable for controlling the on and off of the current; a plurality of connectors (82), wherein some of the connectors (82) are arranged between all the first connectors (21) and the circuit breakers (81) so that all the first connectors (21) and the circuit breakers (81) are electrically connected, and another portion of the connectors (82) are arranged between all the second connectors (22) and the circuit breakers (81) so that all the second connectors (22) and the circuit breakers (81) are electrically connected; A plurality of mutual inductors (3), wherein the mutual inductors (3) are arranged in a one-to-one correspondence with the second plug connectors (22), and any of the mutual inductors (3) is arranged on a second plug connector (22) to detect the current.

2. The drawer type circuit breaker according to claim 1, characterized in that: The mutual inductance component (3) is provided with a sleeve portion (31), so that when the mutual inductance component (3) is sleeved on the second plug connector (22), the mutual inductance component (3) is sleeved on the second plug connector (22) through the sleeve portion (31).

3. The drawer type circuit breaker according to claim 2, characterized in that: The second plug connector (22) is provided with a first clamping portion (221), the mutual inductance component (3) is provided with a second clamping portion (32), and the second clamping portion (32) is arranged in the sleeve portion (31), so that when the mutual inductance component (3) is sleeved on the second plug connector (22) through the sleeve portion (31), the first clamping portion (221) and the second clamping portion (32) are mutually clamped.

4. The drawer type circuit breaker according to any one of claims 1 to 3, characterized in that: The installation wall (12) is provided with a plurality of first penetration portions (121), and the first connector (21) is suitable for passing through one of the first penetration portions (121), so that a portion of the first connector (21) is arranged in the installation cavity (11) to be electrically connected to the connector (82), and another portion is arranged outside the installation cavity (11) to be electrically connected to the vertical busbar (62), and all the first penetration portions (121) are arranged in sequence in a stepped manner on the installation wall (12).

5. The drawer type circuit breaker according to claim 4, characterized in that: The mounting wall (12) is provided with a plurality of second penetration portions (122), and the second connector (22) is suitable for passing through a second penetration portion (122), so that a portion of the second connector (22) is disposed in the mounting cavity (11) to be electrically connected to the connector (82), and another portion is disposed outside the mounting cavity (11) to be electrically connected to the static plug assembly (7).

6. The drawer type circuit breaker according to claim 5, characterized in that: It also includes a plurality of locking members, any one of the first connectors (21) is provided with a first fixing portion, and any one of the second connectors (22) is provided with a second fixing portion (222), and after the first connector (21) and the second connector (22) are installed on the installation wall (12) through the penetration portions, part of the locking members are suitable for passing through the first fixing portion to be connected to the installation wall (12), and another part of the locking members are suitable for passing through the second fixing portion (222) to be connected to the installation wall (12), so as to fix the first connector (21) and the second connector (22) on the installation wall (12) respectively.

7. The drawer type circuit breaker according to claim 6, characterized in that: The first connector (21) is provided with a plurality of first abutment portions, and the second connector (22) is provided with a plurality of second abutment portions (223), so that after the first connector (21) and the second connector (22) are passed through the penetration portions and installed on the installation wall (12), the first abutment portions and the second abutment portions (223) respectively abut against the wall surface of the installation wall (12) away from the installation cavity (11), and respectively cooperate with the locking member to fix the connector on the installation wall (12).

8. The drawer type circuit breaker according to claim 7, characterized in that: It also comprises a mounting member (4), wherein the mounting member (4) is arranged in the mounting cavity (11) relative to the mounting wall (12), and one end of the mounting member (4) is connected to the body (1), and the circuit breaker (81) is arranged on the mounting member (4).

9. The drawer type circuit breaker according to claim 8, characterized in that: The mounting member (4) is provided with a clearance portion (41), and the circuit breaker (81) is arranged on the mounting member (4) to avoid the clearance portion (41), so that the part of the connecting member (82) electrically connected to the first plug-in member (21) passes through the clearance portion (41) to be electrically connected to the circuit breaker (81).

10. The drawer type circuit breaker according to claim 9, characterized in that: It also comprises at least two connectors (5), the two connectors (5) are arranged on the installation wall (12) at intervals, and any one of the connectors (5) is provided with a plurality of connector parts, the connector parts being suitable for being electrically connected to cables.

11. A switch cabinet, characterized in that: include: A cabinet (83), wherein the cabinet (83) has a plurality of accommodating cavities arranged at intervals; A plurality of drawer-type circuit breakers, wherein the drawer-type circuit breakers are the drawer-type circuit breakers described in any one of claims 1 to 10, and any of the drawer-type circuit breakers can be slidably disposed in the accommodating cavity.

12. The switch cabinet according to claim 11, characterized in that: It also includes a plurality of protection components (6), each of which corresponds to a first plug-in connector (21) and is arranged on the cabinet (83), and the protection component (6) includes: A first protective member (61), wherein the first protective member (61) has a first insertion cavity; A vertical busbar (62), part of which is arranged in the first plug-in cavity, so that when the first plug-in component (21) is inserted into the first plug-in cavity under the action of an external force, the first plug-in component (21) is electrically connected to the vertical busbar (62).

13. The switch cabinet according to claim 12, characterized in that: It also includes a plurality of static plug-in components (7), each of the static plug-in components (7) corresponding to a second plug-in connector (22) being arranged on the cabinet (83), and the static plug-in components (7) including: A second protective member (71), wherein the second protective member (71) has a second insertion cavity; An electrical connection piece (72), part of which is disposed in the second plug-in cavity, so that when the second plug-in connector (22) is inserted into the second plug-in cavity under the action of an external force, the second plug-in connector (22) is electrically connected to the electrical connection piece (72).

14. The switch cabinet according to claim 13, characterized in that: It also comprises at least one pair of fixing members (91), mounting portions (711) are provided on opposite sides of the second protective member (71), and embedding portions corresponding to the positions of the mounting portions (711) are provided on opposite sides of the power connection member (72), so that under the action of an external force, the fixing member (91) passes through the mounting portion (711) and embeds into the embedding portion, thereby fixing the power connection member (72) in the second plug-in cavity.

15. The switch cabinet according to claim 14, characterized in that: The invention also comprises a grille member (92), wherein the grille member (92) is arranged in the second plug-in cavity, and when the power connection member (72) and the second protective member (71) are connected, the grille member (92) is connected to the power connection member (72) so as to fix the power connection member (72) on the second protective member (71), and the grille member (92) and the second protective member (71) are an integrally formed structure.

16. The switch cabinet according to any one of claims 14 or 15, characterized in that: The second protective member (71) is provided with a plurality of heat dissipation portions (712), the heat dissipation portions (712) being provided on the second protective member (71) to avoid the mounting portion (711), and the heat dissipation portions (712) being connected between the second plug-in cavity and the outside, so as to dissipate the heat generated in the second plug-in cavity to the outside after the electrical connection member (72) is electrically connected to the second plug-in connector (22).

17. The switch cabinet according to claim 16, characterized in that: It also includes a plurality of covering members (93), any of which is arranged on the cabinet (83) and connected to the second protective member (71), and the covering member (93) has a covering cavity arranged in an open manner, and when a part of the power connection member (72) is connected to the second protective member (71), another part of the power connection member (72) is arranged in the covering cavity, so that the covering member (93) can shield external dust.

18. A circuit system, characterized in that: It comprises a switch cabinet, and the switch cabinet is the switch cabinet according to any one of claims 11-17.

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