CN223680050U - Shell structure of combined switch - Google Patents

Abstract

The shell structure of the combined switch comprises a shell, a ground wire terminal and a wiring terminal, wherein a first incoming wire connector is electrically connected with the incoming wire terminal and stretches into a first mounting groove or is communicated with the first mounting groove, a first outgoing wire connector is electrically connected with the outgoing wire terminal and stretches into the first mounting groove or is communicated with the first mounting groove, a second incoming wire connector is electrically connected with the incoming wire terminal and stretches into a second mounting groove or is communicated with the second mounting groove, a second outgoing wire connector stretches into the second mounting groove or is communicated with the second mounting groove, a third incoming wire connector is electrically connected with the second outgoing wire connector and stretches into a third mounting groove or is communicated with the third mounting groove, and a third outgoing wire connector is electrically connected with the ground wire terminal and stretches into the third mounting groove or is communicated with the third mounting groove. The shell structure of the combined switch is used for plugging and mounting the switch modules and realizing the electric connection among the switch modules, and each connector is preset in the shell, so that the switch modules are mounted and electrically connected through being plugged into the shell.

Description

Shell structure of combined switch

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to a shell structure of a combined switch.

Background

The grid-connected box comprises an electric energy meter, a disconnecting link switch, a photovoltaic special breaker, a surge protector, a backup protection breaker, an electric leakage breaker and the like, wherein the devices are required to be electrically connected, and the prior art is mainly used for electrically connecting all the devices in a bolt connection mode so as to meet the requirements of equipment and line power supply. The existing grid-connected box layout mainly has the defects that the number of components in the grid-connected box is large, the components are connected more, the maintenance is inconvenient, the occupied space is large, the connection of wires is unreliable, and the phenomena of virtual connection, misconnection and the like occur.

Disclosure of utility model

The utility model aims to overcome at least one defect in the prior art and provides a shell structure of a combined switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The shell structure of the combined switch comprises a shell, a ground wire terminal and at least one group of wiring terminals, wherein the ground wire terminal and the at least one group of wiring terminals are fixed in the shell, each group of wiring terminals comprises an incoming wire terminal and an outgoing wire terminal, the shell is provided with a first mounting groove, a second mounting groove and a third mounting groove, the shell is provided with a first incoming wire connector, a first outgoing wire connector, a second incoming wire connector, a second outgoing wire connector, a third incoming wire connector and a third outgoing wire connector, the first incoming wire connector is electrically connected with the incoming wire terminal and extends into the first mounting groove or is communicated with the first mounting groove, the first outgoing wire connector is electrically connected with the outgoing wire terminal and extends into the first mounting groove or is communicated with the first mounting groove, the second incoming wire connector is electrically connected with the incoming wire terminal and extends into the second mounting groove or is communicated with the second mounting groove, the third connector is electrically connected with the second outgoing wire connector and extends into the third mounting groove or is communicated with the third mounting groove, and the first outgoing wire connector is electrically connected with the third outgoing wire terminal and extends into the third mounting groove or is communicated with the third mounting groove.

Optionally, the housing is provided with a receiving cavity for receiving the first incoming connector, the first outgoing connector, the second incoming connector, the second outgoing connector, the third incoming connector and the third outgoing connector, the first mounting groove, the second mounting groove and the third mounting groove are located at one side of the receiving cavity, and a shared wall is arranged between the first mounting groove, the second mounting groove, the third mounting groove and the receiving cavity.

Optionally, the common wall body is provided with a first through hole and a second through hole which are respectively communicated with the accommodating cavity and the first mounting groove in a penetrating manner, the first wire inlet connector is a copper bar, at least part of the first wire inlet connector stretches into the first mounting groove through the first through hole, the first wire outlet connector is a copper bar, and at least part of the first wire outlet connector stretches into the first mounting groove through the second through hole.

Optionally, the shell is further provided with a first terminal cavity communicated with the accommodating cavity and corresponding to the wire inlet terminal, and a second terminal cavity communicated with the accommodating cavity and corresponding to the wire outlet terminal, the first wire inlet connector at least partially stretches into the first terminal cavity and is directly connected with the wire inlet terminal, and the first wire outlet connector at least partially stretches into the second terminal cavity and is directly connected with the wire outlet terminal.

Optionally, the common wall body protrusion is provided with at least two first limit protrusions and at least two second limit protrusions, the first wire inlet connector is of a U-shaped structure, one side edge of the first wire inlet connector stretches into the first mounting groove, the other side edge stretches into the first terminal cavity, and the bottom edge of the first wire inlet connector is propped against the common wall body and is limited between the two first limit protrusions;

The first wire outlet connector is of a U-shaped structure, one side edge of the first wire outlet connector stretches into the first mounting groove, the other side edge of the first wire outlet connector stretches into the second terminal cavity, and the bottom edge of the first wire outlet connector is propped against the shared wall body and limited between the two second limiting protrusions.

Optionally, the wire-incoming terminal comprises a first wire frame and a first wire-connection screw arranged on the first wire frame, the first wire frame extends towards a direction far away from the first wire-connection screw and is provided with a first connection part directly connected with the first wire-incoming connector, the wire-outgoing terminal comprises a second wire frame and a second wire-connection screw arranged on the second wire frame, and the second wire frame extends towards a direction far away from the second wire-connection screw and is provided with a second connection part directly connected with the first wire-outgoing connector.

Optionally, the common wall body is provided with a third through hole and a fourth through hole which are respectively communicated with the accommodating cavity and the second mounting groove in a penetrating manner, the second wire inlet connector is a copper bar, at least part of the second wire inlet connector stretches into the second mounting groove through the third through hole, the part of the second wire inlet connector positioned in the accommodating cavity is electrically connected with the wire inlet terminal, the second wire outlet connector is a copper bar, at least part of the second wire outlet connector stretches into the second mounting groove through the fourth through hole, and the part of the second wire outlet connector positioned in the accommodating cavity is directly connected with the third wire inlet connector.

Optionally, the second inlet wire connector is located and is equipped with first locating hole on the portion that holds the intracavity, protruding being equipped with on the shared wall is located and holds intracavity and with first locating hole complex first locating hole is protruding, the second inlet wire connector is located and holds the intracavity the portion and support on the shared wall, and overlaps on first locating hole through first locating hole.

Optionally, the second wire outlet connector is provided with a second positioning hole on a part located in the accommodating cavity, at least two third limiting protrusions and a second positioning protrusion matched with the second positioning hole are arranged on the common wall body in a protruding mode, and the part located in the accommodating cavity of the second wire outlet connector is propped against the common wall body and limited between the two third limiting protrusions and sleeved on the second positioning protrusion through the second positioning hole.

Optionally, the common wall body is provided with a fifth through hole and a sixth through hole which are respectively communicated with the accommodating cavity and the third mounting groove in a penetrating manner, the third incoming connector is a slot, the third incoming connector is arranged corresponding to the fifth through hole, the third outgoing connector is a slot, and the third outgoing connector is arranged corresponding to the sixth through hole.

Optionally, the third inlet connector is an elastic clip structure, one end of the third inlet connector, which is far away from the third inlet connector socket, extends towards the direction far away from the third outlet connector to form an inlet connector connecting part, and the second outlet connector is at least partially connected with the inlet connector connecting part in a lamination manner.

Optionally, the third wire outlet connector is in an elastic clip structure, one end of the third wire outlet connector, which is far away from the third wire outlet connector jack, extends to a direction far away from the third wire outlet connector, and is provided with wire outlet connection parts, the wire outlet connection parts of all the third wire outlet connectors are connected with a bus piece, and the bus piece is electrically connected with the ground wire terminal through a first flexible connection.

Optionally, the casing includes base and base, be equipped with on one side of base first mounting groove, second mounting groove and third mounting groove, the base lid closes on the opposite side of base in order to enclose and close and form hold the chamber.

Optionally, the shell is further provided with a signal terminal, and the signal terminal is opposite to the ground wire terminal.

Optionally, the second mounting groove and the third mounting groove are located one side of the first mounting groove in the first direction, the second mounting groove and the third mounting groove are sequentially arranged along the second direction, the incoming line terminal and the outgoing line terminal are oppositely arranged on two sides of the first mounting groove in the second direction, the incoming line terminal is arranged in rows along the first direction, the outgoing line terminal is arranged in rows along the first direction, openings of the first mounting groove, the second mounting groove and the third mounting groove are all arranged towards the third direction, and the first direction, the second direction and the third direction are mutually perpendicular.

Optionally, the plurality of first incoming connectors are arranged in a row along the first direction, the plurality of first outgoing connectors are arranged in a row along the first direction, and the plurality of first incoming connectors and the plurality of first outgoing connectors are arranged at opposite intervals in the second direction;

The plurality of second incoming connectors are arranged in rows along the first direction, the plurality of second outgoing connectors are arranged in rows along the first direction, and the plurality of second incoming connectors and the plurality of second outgoing connectors are arranged at opposite intervals in the second direction;

The plurality of third incoming connectors are arranged in rows along the first direction, the plurality of third outgoing connectors are arranged in rows along the first direction, and the plurality of third incoming connectors and the plurality of third outgoing connectors are arranged at opposite intervals in the second direction.

The shell structure of the combined switch is used for plugging and mounting the switch modules and realizing the electric connection among the switch modules, and the first incoming connector, the first outgoing connector, the second incoming connector, the second outgoing connector, the third incoming connector and the third outgoing connector are preset in the shell, so that the switch modules are installed and electrically connected by being inserted into the shell, the switch modules are prevented from being further connected by wiring, the whole combined switch is only required to be connected once by a wiring terminal, and the combined switch is very convenient to plug, disassemble and assemble during maintenance.

In addition, the connector is arranged in the independent accommodating cavity, so that the electrical safety is improved, the connector is convenient to overhaul, and automatic installation is facilitated.

Drawings

FIG. 1 is a perspective view of a view angle of a combination switch of the present utility model;

FIG. 2 is a perspective view of another view of the combination switch of the present utility model;

FIG. 3 is a circuit diagram of a combination switch of the present utility model;

FIG. 4 is a schematic diagram of a modular switch removal switch module of the present utility model;

FIG. 5 is an exploded view of the combination switch of the present utility model;

FIG. 6 is a schematic view of the back side removal base of the combination switch of the present utility model;

Fig. 7 is a view of the line module and the terminal of the present utility model;

fig. 8 is a perspective view of a line module and a terminal of the present utility model;

fig. 9 is a schematic structural view of a combination switch of the present utility model when the first circuit breaker module is disassembled;

FIG. 10 is a schematic diagram of a second break pole exploded modular switch according to the present utility model;

fig. 11 is a schematic structural view of the combined switch of the present utility model when the surge protection pole is exploded.

A housing 100; a base 110; a first mounting groove 111; the second mounting groove 112, the third mounting groove 113, the common wall 114, the first limit protrusion 115, the second limit protrusion 116, the first through hole 117, the second through hole 118, the third through hole 119, the fourth through hole 120, the fifth through hole 121, the sixth through hole 122, the first terminal cavity 123, the second terminal cavity 124, the first positioning protrusion 125, the second positioning protrusion 126, the third limit protrusion 127, the first guide protrusion 128, the second guide protrusion 129, the base 130, the clamping rail groove 131, the first circuit breaker module 210, the first circuit breaker pole 211, the control pole 212, the first handle 213, the first drawing mechanism 214, the second circuit breaker module 220, the second circuit breaker pole 221, the first guide groove 222, the second handle 223, the second drawing mechanism 224, the surge protector module 230, the surge protector 231, the second guide groove 232, the indication window 233, the third drawing mechanism 234, the third wire bar plug 235, the third wire plug 236, the first wire terminal 310, the first frame 311, the first wire connection portion 313, the first wire plug 313, the second wire plug portion 320, the first wire plug wire lead-in portion 420, the second wire plug lead wire lead-in portion 410, the second wire lead-in portion 320, the second wire lead-in portion 420, the second lead wire lead-out portion 420, the second lead wire lead-in the second lead-out wire lead to the second wire lead to the second lead wire lead to a second lead to a connection from a connection to a connection from a to a.

Detailed Description

The following is a further description of embodiments of the housing structure of the combination switch of the present utility model, given by way of example with reference to the accompanying drawings. The housing structure of the combination switch of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 4 and 5, the housing structure of the combination switch of the present embodiment includes a housing 100, a ground terminal 500 fixed in the housing 100, and at least one set of connection terminals, each set of connection terminals including one wire inlet terminal 310 and one wire outlet terminal 320, the housing 100 is provided with a first mounting groove 111, a second mounting groove 112 and a third mounting groove 113, the housing 100 is provided with a first wire inlet connector 410, a first wire outlet connector 420, a second wire inlet connector 430, a second wire outlet connector 440, a third wire inlet connector 450 and a third wire outlet connector 460, the first wire inlet connector 410 is electrically connected with the wire inlet terminal 310 and extends into the first mounting groove 111 or communicates with the first mounting groove 111, the first wire outlet connector 420 is electrically connected with the wire outlet terminal 320 and extends into the first mounting groove 111 or communicates with the first mounting groove 111, the second wire inlet connector 430 is electrically connected with the wire inlet terminal 310 and extends into the second mounting groove 112 or communicates with the second mounting groove 112, the second wire outlet connector 440 is electrically connected with the third wire outlet connector 450 or communicates with the third mounting groove 113, and the second wire outlet connector 440 is electrically connected with the third wire outlet terminal 500 or the third wire outlet connector 113 is electrically connected with the third mounting groove 113.

As shown in fig. 1 and 4, in one application implementation of the housing structure of the present embodiment, the housing structure of the combined switch of the present embodiment is used for plug-in installation of the switch module and implementing electrical connection between the switch modules, where the switch module is plug-in installed in the housing 100, and includes a first breaker module 210, a second breaker module 220 and a surge protector module 230, where the first breaker module 210 is plug-in matched with the first installation slot 111, and where when the first breaker module 210 is inserted into the first installation slot 111, an incoming line end of the first breaker module 210 is electrically connected with a corresponding incoming line terminal 310, and an outgoing line end of the first breaker module 210 is electrically connected with a corresponding outgoing line terminal 320, and where when the second breaker module 220 is inserted into the second installation slot 112, an incoming line end of the second breaker module 220 is electrically connected with a corresponding incoming line terminal 310, and where the surge protector module 230 is plug-in matched with the third installation slot 111, and where when the first breaker module 210 is inserted into the first installation slot 111, an outgoing line end of the second breaker module 230 is electrically connected with a corresponding incoming line terminal 310, and where the surge protector module 230 is inserted into the second installation slot 112.

The shell structure of the combined switch of this embodiment is used for plugging and installing switch modules and realizing electrical connection among the switch modules, and presets the first incoming connector 410, the first outgoing connector 420, the second incoming connector 430, the second outgoing connector 440, the third incoming connector 450 and the third outgoing connector 460 in the shell 100, so that the switch modules can be installed and electrically connected by being inserted into the shell, the switch modules are prevented from being further connected by wiring, the whole combined switch is only required to be wired once through a wiring terminal, and the plug-in and dismounting are very convenient during maintenance.

As shown in fig. 4 and 5, the housing 100 is provided with a receiving cavity for receiving the first incoming connector 410, the first outgoing connector 420, the second incoming connector 430, the second outgoing connector 440, the third incoming connector 450 and the third outgoing connector 460, the first mounting groove 111, the second mounting groove 112 and the third mounting groove 113 are located at one side of the receiving cavity in the inserting and extracting direction of the switch module, and the first mounting groove 111, the second mounting groove 112, the third mounting groove 113 and the receiving cavity have a common wall 114 therebetween. The connector is arranged in the independent accommodating cavity, so that the electrical safety is improved, the overhaul of the connector is convenient, and the automatic installation is facilitated.

As shown in fig. 4, the common wall 114 is provided with a first through hole 117 and a second through hole 118, which are respectively connected with the accommodating cavity and the first mounting groove 111, the first wire inlet connector 410 is a copper bar, at least part of the first wire inlet connector 410 extends into the first mounting groove 111 through the first through hole 117, the first wire outlet connector 420 is a copper bar, and at least part of the first wire outlet connector 420 extends into the first mounting groove 111 through the second through hole 118.

As shown in fig. 5, the housing 100 is further provided with a first terminal cavity 123 communicating with the accommodating cavity and corresponding to the incoming wire terminal 310, a second terminal cavity 124 communicating with the accommodating cavity and corresponding to the outgoing wire terminal 320, and a third terminal cavity communicating with the accommodating cavity and corresponding to the ground wire terminal 500, wherein the first incoming wire connector 410 extends at least partially into the first terminal cavity 123 and is preferably directly connected to the incoming wire terminal 310, and the first outgoing wire connector 420 extends at least partially into the second terminal cavity 124 and is preferably directly connected to the outgoing wire terminal 320. Of course, the first incoming connector 410 and the incoming terminal 310, and the first outgoing connector 420 and the outgoing terminal 320 may be indirectly and electrically connected by other conductors.

As shown in fig. 5 and 8, the protrusion of the common wall 114 is provided with at least two first limiting protrusions 115 and at least two second limiting protrusions 116, the first incoming connector 410 has a U-shaped structure, one side of the first incoming connector 410 extends into the first mounting groove 111, the other side extends into the first terminal cavity 123, and the bottom edge of the first incoming connector 410 abuts against the common wall 114 and is limited between the two first limiting protrusions 115, so that the first incoming connector 410 is stably mounted.

The first outlet connector 420 has a U-shaped structure, one side of the first outlet connector 420 extends into the first mounting groove 111, the other side of the first outlet connector 420 extends into the second terminal cavity 124, and the bottom edge of the first outlet connector 420 abuts against the common wall 114 and is limited between the two second limiting protrusions 116, so that the first outlet connector 420 is stably mounted. It should be noted that, the wire inlet end of the first circuit breaker module 210 is of an elastic clip structure and can be connected to one side of the first wire inlet connector 410 in a plug-in manner, and the wire outlet end of the first circuit breaker module 210 is of an elastic clip structure and can be connected to one side of the first wire outlet connector 420 in a plug-in manner.

As shown in fig. 8, the incoming terminal 310 of the present embodiment includes a first wire frame 311 and a first wire screw 312 disposed on the first wire frame 311, the first wire frame 311 extends in a direction away from the first wire screw 312 and is provided with a first connection portion 313 directly connected to the first incoming connector 410, and the other side of the first incoming connector 410 is connected to the first connection portion 313 in a stacked manner, and the connection manner between the two is a connection manner such as welding or riveting. The wire-feeding terminal 310 of the present embodiment is preferably an aluminum alloy terminal, but may be a terminal made of other materials.

The wire outlet terminal 320 of the present embodiment includes a second wire frame 321 and a second wire screw 322 disposed on the second wire frame 321, where the second wire frame 321 extends in a direction away from the second wire screw 322 to form a second connection portion 323 directly connected to the first wire outlet connector 420, and the second connection portion 323 is connected to the other side of the first wire outlet connector 420 in a stacked manner, and the connection manner between the second connection portion 323 and the other side is a connection manner such as welding or riveting. The outgoing terminal 320 of the present embodiment is preferably an aluminum alloy terminal, but may be a terminal made of other materials.

As shown in fig. 4, 5 and 8, the common wall 114 is provided with a third through hole 119 and a fourth through hole 120, which are respectively connected to the accommodating cavity and the second mounting groove 112, and the second incoming connector 430 is electrically connected to the incoming terminal 310 through a second flexible connection 490. The second wire connector 430 is a copper bar, at least part of the second wire connector 430 extends into the second mounting groove 112 through the third through hole 119, the part of the second wire connector 430 located in the accommodating cavity is electrically connected with the wire inlet terminal 310, the second wire connector 440 is a copper bar, at least part of the second wire connector 440 extends into the second mounting groove 112 through the fourth through hole 120, and the part of the second wire connector 440 located in the accommodating cavity is directly connected with the third wire connector 450. Of course, the second outlet connector 440 and the third inlet connector 450 may also be electrically connected indirectly through other conductors.

The second wire-incoming connector 430 is preferably in an L-shaped structure, a portion of the second wire-incoming connector 430 located in the accommodating cavity extends along the inserting and extracting direction of the switch module and is used for being connected with the wire-incoming end of the second circuit breaker module 220 in an inserting and extracting mode of the elastic clamp structure, the second wire-outgoing connector 440 is preferably in an L-shaped structure, and a portion of the second wire-outgoing connector 440 located in the accommodating cavity extends along the inserting and extracting direction of the switch module and is used for being connected with the wire-outgoing end of the second circuit breaker module 220 in an inserting and extracting mode of the elastic clamp structure. The second flexible connection 490 generally includes a conductive core and an insulator for encasing the conductive core.

Preferably, the portion of the second incoming connector 430 located in the accommodating cavity is provided with a first positioning hole 431, the common wall 114 is provided with a first positioning protrusion 125 located in the accommodating cavity and matched with the first positioning hole 431 in a protruding manner, and the portion of the second incoming connector 430 located in the accommodating cavity abuts against the common wall 114 and is sleeved on the first positioning protrusion 125 through the first positioning hole 431. The first positioning protrusion 125 is matched with the first positioning hole 431 for mounting and positioning the second incoming connector 430.

Preferably, the portion of the second outlet connector 440 located in the accommodating cavity is provided with a second positioning hole 441, the common wall 114 is convexly provided with at least two third limiting protrusions 127 and a second positioning protrusion 126 matched with the second positioning hole 441, and the portion of the second outlet connector 440 located in the accommodating cavity abuts against the common wall 114 and is limited between the two third limiting protrusions 127, and is sleeved on the second positioning protrusion 126 through the second positioning hole 441. The second positioning protrusion 126 is matched with the second positioning hole 441 and is used for mounting and positioning the second outlet connector 440, and the two third limiting protrusions 127 are used for limiting the second outlet connector 440, so that the mounting stability of the second outlet connector 440 is improved, and the offset is avoided.

As shown in fig. 4, the common wall 114 is provided with a fifth through hole 121 and a sixth through hole 122, which are respectively connected to the accommodating cavity and the third mounting groove 113, the third wire connector 450 is a slot, the third wire connector 450 is disposed corresponding to the fifth through hole 121, the third wire connector 460 is a slot, the third wire connector 460 is disposed corresponding to the sixth through hole 122, and preferably, a portion of the second wire connector 440 located in the accommodating cavity is directly connected to the third wire connector 450.

As shown in fig. 5 and 8, the third wire connector 450 is in an elastic clip structure, the wire connection portion 451 extends from one end of the third wire connector 450 away from the socket of the third wire connector 450 to the direction away from the third wire connector 460, and at least a portion of the second wire connector 440 is connected with the wire connection portion 451 in a stacked manner along the plugging direction of the switch module, and the connection manner between the two is a connection manner such as welding, riveting, etc. It should be noted that, at least a portion of the incoming line end of the surge protector module 230 extends out of the housing of the surge protector module 230, the incoming line end of the surge protector module 230 is a third incoming line extension socket 235, and the portion extending out of the housing is in a straight sheet structure for plug-in connection with the third incoming line connector 450.

As shown in fig. 8, in the electrical connection structure between the third wire outlet connector 460 and the ground terminal 500 in this embodiment, the third wire outlet connector 460 is in an elastic clip structure, one end of the third wire outlet connector 460 away from the socket of the third wire outlet connector 460 extends away from the third wire outlet connector 450 to form a wire outlet coupling portion 461, all the wire outlet coupling portions 461 of the third wire outlet connector 460 are connected with the bus bar 470, the wire outlet coupling portions 461 and the bus bar 470 are connected in a stacked manner along the plugging direction of the switch module, the connection modes between the wire outlet coupling portions 461 and the bus bar 470 are welding, riveting or other connection modes, and the bus bar 470 is electrically connected with the ground terminal 500 through the first flexible connection 480. The ground terminal 500 of the present embodiment is preferably an aluminum alloy terminal, but may be a terminal made of other materials.

It should be noted that, at least a portion of the outlet end of the surge protector module 230 extends out of the housing of the surge protector module 230, the outlet end of the surge protector module 230 is the third outlet socket 236, and the portion extending out of the housing is in a straight sheet structure for plug-in connection with the third outlet connector 460. First flexible connection 480 generally includes a conductive core and an insulator for encasing the conductive core. As other embodiments, the third incoming connector 450 and the third outgoing connector 460 may also be copper bars that are configured as a strip, and the surge protector module 230 is provided with slots.

As shown in fig. 2 and 4, in a preferred manner of the combined switch layout structure of this embodiment, the second mounting groove 112 and the third mounting groove 113 are located at one side of the first mounting groove 111 in the first direction, the second mounting groove 112 and the third mounting groove 113 are sequentially disposed along the second direction, the incoming line terminal 310 and the outgoing line terminal 320 are relatively disposed at two sides of the first mounting groove 111 in the second direction, a plurality of incoming line terminals 310 are disposed in a row along the first direction, a plurality of outgoing line terminals 320 are disposed in a row along the first direction, the inserting and pulling directions of the switch modules are disposed in the third direction, that is, the openings of the first mounting groove 111, the second mounting groove 112 and the third mounting groove 113 are all disposed towards the third direction, the inserting and pulling directions of the first breaker module 210, the second breaker module 220 and the surge protector module 230 are the same, and the first direction, the second direction and the third direction are mutually perpendicular. The installation grooves of the surge protector module 230 and the second circuit breaker module 220, which are arranged up and down, are arranged at the side of the installation groove of the first circuit breaker module 210, so that the outgoing line terminal 320 and the incoming line terminal 310 can be compactly arranged above and below the first circuit breaker module 210, the layout is compact and reasonable, and the space is saved.

Preferably, the ground terminal 500 is located at a side of the incoming terminal 310 or the outgoing terminal 320 near the second mounting groove 112 and the third mounting groove 113 in the first direction. The ground terminal 500 is positioned at an intermediate position, and is disposed near the third mounting groove 113, so as to be electrically connected with the surge protector module 230.

As shown in fig. 4 to 6, in a preferred implementation of the connector layout of this embodiment, the plurality of first incoming connectors 410 are arranged in a row along a first direction, the plurality of first outgoing connectors 420 are arranged in a row along the first direction, the plurality of first incoming connectors and the plurality of first outgoing connectors 420 are arranged at opposite intervals in a second direction, the plurality of second incoming connectors 430 are arranged in a row along the first direction, the plurality of second outgoing connectors 440 are arranged in a row along the first direction, the plurality of second incoming connectors 430 and the plurality of second outgoing connectors 440 are arranged at opposite intervals in the second direction, the plurality of third incoming connectors 450 are arranged in a row along the first direction, the plurality of third outgoing connectors 460 are arranged in a row along the first direction, and the plurality of third incoming connectors 450 and the plurality of third outgoing connectors 460 are arranged at opposite intervals in the second direction. Accordingly, the plurality of incoming lines ends of the single switch module are arranged in a row along the first direction, the plurality of outgoing lines ends of the single switch module are arranged in a row along the first direction, the plurality of incoming lines ends and the plurality of outgoing lines ends of the single switch module are arranged at opposite intervals in the second direction, and the single switch module refers to the first circuit breaker module 210/the second circuit breaker module 220/the surge protector module 230. Reasonable layout and simplified wiring structure.

As shown in fig. 9-11, the first circuit breaker module 210 includes a plurality of first circuit breaker poles 211 spliced in sequence along a first direction, the modulus size of the first circuit breaker poles 211 (i.e., the size of the first circuit breaker poles 211 in the first direction) is 18mm or 27mm, the size of the first circuit breaker module 210 in the second direction is generally 45-60 mm, and the size of the first circuit breaker module in the third direction is generally 60-80 mm, the second circuit breaker module 220 is a backup protection circuit breaker, and includes a plurality of second circuit breaker poles 221 integrally or separately connected in sequence along the first direction, the modulus size of the second circuit breaker poles 221 (i.e., the size of the second circuit breaker poles 221 in the first direction) is 13.5mm or 18mm, and the surge protector module 230 includes a plurality of surge protection poles 231 integrally or separately connected in sequence along the first direction, the modulus size of the surge protection poles 231 (i.e., the size of the surge protection poles 231 in the first direction) is 13.5mm or 18mm. The size of the casing 100 of the combination switch in the second direction is 100-140 mm.

It should be noted that, the first circuit breaker module 210 is a main switch of a combined switch, and is used for protecting circuits or electric equipment from overload and/or short circuit, and can also be used for protecting electric leakage, undervoltage and/or overvoltage, etc. according to needs, the first circuit breaker module 210 may be a conventional miniature plug-in circuit breaker, or a special circuit breaker for photovoltaic, or an electric leakage circuit breaker, and may be an ac circuit breaker or a dc circuit breaker, and an overload protection mechanism and/or a short circuit protection mechanism are provided in the first circuit breaker pole 211, where the overload protection mechanism generally includes a bimetallic strip, and the short circuit protection mechanism generally includes an electromagnetic trip. The first circuit breaker module 210 in this embodiment is a photovoltaic dedicated circuit breaker. The surge protector is used for protecting a circuit or electric equipment from being damaged by lightning overvoltage, operation overvoltage and power frequency transient overvoltage. The backup protection circuit breaker is used as an external disengaging device of the surge protector, can bear the expected surge current at the installation position of the backup protection surge protector, and can break the power frequency overcurrent generated by the fault of the surge protector.

As shown in fig. 4 and 9, in the electrical connection structure of the first circuit breaker module 210 of this embodiment, the housing 100 is provided with a first incoming connector 410 and a first outgoing connector 420 that extend into the first mounting groove 111, the first incoming connector 410 is electrically connected with the incoming terminal 310, the first outgoing connector 420 is electrically connected with the outgoing terminal 320, one end of the first circuit breaking pole 211 of the first circuit breaker module 210 is provided with a first handle 213 and a first drawing mechanism 214, one end of each first circuit breaking pole 211, which is far away from the first handle 213, is provided with a first incoming jack and a first outgoing jack, and elastic clamping structures are arranged in the first incoming jack and the first outgoing jack and are respectively used for clamping the first incoming connector 410 and the first outgoing connector 420. The first circuit breaker module 210 and the wiring terminal are electrically connected through the first incoming connector 410 and the first outgoing connector 420 which are preset in the shell 100, the first circuit breaker module 210 is connected with the first incoming connector 410 and the first outgoing connector 420 in a plugging manner, the synchronous installation and the electric connection are realized, after the first circuit breaker module 210 is plugged and separated from the first incoming connector 410 and the first outgoing connector 420, a circuit is isolated, the application of a disconnecting switch or a disconnecting switch can be omitted, the plug-in type electric connection is more reliable, and the phenomena of virtual connection, wrong connection and the like are avoided.

As shown in fig. 4 and 10, in the electrical connection structure of the second circuit breaker module 220 of this embodiment, the housing 100 is provided with a second incoming connector 430 and a second outgoing connector 440 that extend into the second mounting groove 112, the second incoming connector 430 is electrically connected with the incoming terminal 310, the second outgoing connector 440 is electrically connected with the incoming end of the surge protector module 230, one end of the second circuit breaker 221 is provided with a second handle 223 and a second drawing mechanism 224, one end of each second circuit breaker 221, which is far away from the second handle 223, is provided with a second incoming jack and a second outgoing jack, and elastic clamping structures are arranged in the second incoming jack and the second outgoing jack, which are respectively used for clamping the second incoming connector 430 and the second outgoing connector 440. The second circuit breaker module 220 and the wiring terminal are electrically connected through the second incoming connector 430 and the second outgoing connector 440 which are preset in the shell 100, the second circuit breaker module 220 is connected with the second incoming connector 430 and the second outgoing connector 440 in a plugging manner, the synchronous installation and the electric connection are realized, after the second circuit breaker module 220 is plugged and separated from the second incoming connector 430 and the second outgoing connector 440, the circuit is isolated, the application of a disconnecting switch or a disconnecting switch can be omitted, the plug-in type electric connection is more reliable, and the phenomena of virtual connection, wrong connection and the like are avoided.

As other embodiments, the first incoming connector 410 and the first outgoing connector 420, the second incoming connector 430 and the second outgoing connector 440 may be replaced by slots with elastic clip structures, and the corresponding incoming and outgoing terminals of the first circuit breaker module 210 and the incoming and outgoing terminals of the second circuit breaker module 220 may be replaced by flat-shaped strip-shaped inserts (copper bars).

It should be noted that, the elastic clamp structure generally includes a straight or arc connecting piece and two clamping pieces symmetrically connected to two sides of the connecting piece, the clamping pieces are of a bending structure, and the two clamping pieces are arranged in a protruding way towards the direction of being close to each other.

As shown in fig. 4 and 10, in the installation guiding structure of the second circuit breaker module 220 of this embodiment, the second installation groove 112 is provided with a plurality of first guiding protrusions 128 protruding from a side wall arranged along the first direction, the plurality of first guiding protrusions 128 are arranged at intervals along the first direction, and the second circuit breaker 221 is provided with first guiding grooves 222 matching with the first guiding protrusions 128. The second circuit breaker module 220 is convenient to install quickly and accurately, and the split second circuit breaker module 220 can be disassembled and assembled in a monopolar mode, so that replacement is convenient.

As shown in fig. 4 and 11, in the electrical connection structure of the surge protector module 230 of the present embodiment, the housing 100 is provided with a third incoming connector 450 and a third outgoing connector 460 that are communicated with the third mounting groove 113, the third incoming connector 450 is electrically connected with the outgoing terminal of the second circuit breaker module 220, the third outgoing connector 460 is electrically connected with the ground terminal 500, one end of the surge protector module 230 is provided with an indication window 233 and a third drawing mechanism 234, one end of each surge protection pole 231 far away from the indication window 233 is provided with a third incoming line row plug 235 and a third outgoing line row plug 236 that extend out of the housing of the surge protector module, the third incoming line row plug 235 is in plug connection with the third incoming line connector 450, and the third outgoing line row plug 236 is in plug connection with the third outgoing line connector 460. The surge protector module 230 is electrically connected with the second circuit breaker module 220 and the ground wire terminal 500 through the third incoming connector 450 and the third outgoing connector 460 which are preset in the shell 100, the surge protector module 230 is connected with the third incoming connector 450 and the third outgoing connector 460 in a plugging manner, the installation and the electrical connection are synchronous, after the surge protector module 230 is plugged and separated from the third incoming connector 450 and the third outgoing connector 460, a circuit is isolated, the application of a disconnecting switch or a disconnecting switch can be omitted, the plug-in type electrical connection is more reliable, and the phenomena of virtual connection, wrong connection and the like are avoided.

As shown in fig. 4 and 11, in the mounting guide structure of the surge protector module 230 of the present embodiment, the side wall of the third mounting groove 113 disposed along the first direction is provided with a plurality of second guide protrusions 129, the plurality of second guide protrusions 129 are arranged at intervals along the first direction, and the surge protection pole 231 is provided with a second guide groove 232 that is matched with the second guide protrusions 129. The surge protector module 230 is convenient to install quickly and accurately, and the split surge protector module 230 can be disassembled and assembled in a monopolar mode, so that replacement is convenient.

As shown in fig. 1 and 4, the housing 100 is further provided with a signal terminal 600, the signal terminal 600 is electrically connected to the surge protector module 230, and/or the signal terminal 600 is electrically connected to the first circuit breaker module 210, and the first circuit breaker module 210 is an intelligent circuit breaker, and further includes a control electrode 212 for electrically connecting to the signal terminal 600. The signal terminal 600 is used for transmitting related signals of the surge protector module 230 and/or the first circuit breaker module 210, for example, the control electrode 212 is used for feeding back the working state of the surge protector module 230, the opening and closing state of the first circuit breaker module 210, an electric mechanism capable of driving the first circuit breaker electrode 211 to automatically open and close is further arranged, and a leakage release is further arranged, so that the first circuit breaker electrode 211 is triggered to open and close when the leakage is detected.

Preferably, the signal terminal 600 is disposed opposite to the ground terminal 500, and is disposed at both sides of the first mounting groove 111, respectively. The layout is compact and reasonable, the occupied space is saved, and the size of the combined switch is reduced.

The arrangement of the incoming line terminal 310, the outgoing line terminal 320, the ground line terminal 500 and the signal terminal 600 has various embodiments, for example, as shown in fig. 4, a first manner is that the incoming line terminal 310 and the second mounting groove 112 are sequentially arranged along a first direction, the outgoing line terminal 320 and the third mounting groove 113 are sequentially arranged along the first direction, the ground line terminal 500 is positioned between the incoming line terminal 310 and the second mounting groove 112 along the first direction, the signal terminal 600 is positioned between the outgoing line terminal 320 and the third mounting groove 113 along the first direction, a second manner is that the positions of the ground line terminal 500 and the signal terminal 600 are exchanged between the outgoing line terminal 320 and the third mounting groove 113 along the first direction, that is, the signal terminal 600 is positioned between the incoming line terminal 310 and the second mounting groove 112 along the first direction, a third manner is that the incoming line terminal 310 and the third mounting groove 113 are sequentially arranged along the first direction, the ground line terminal 600 is positioned between the outgoing line terminal 320 and the first direction, that is positioned between the signal terminal 500 and the signal terminal 600 is positioned between the first direction and the first direction, that is, the signal terminal 500 is positioned between the signal terminal 500 and the signal terminal 600 is positioned between the first direction and the first direction, and the signal terminal 600 is positioned between the first direction and the signal terminal 600. The first mode is a preferred mode, wherein the incoming line terminal 310 is arranged close to the first mounting groove 111 and the second mounting groove 112, so that the incoming line terminal 310 is electrically connected with the incoming line end of the first circuit breaker module 210 and the incoming line end of the second circuit breaker module 220, and the circuit is shortened, the signal terminal 600 is arranged close to the first mounting groove 111 and the third mounting groove 113, so that the signal terminal 600 is electrically connected with the first circuit breaker module 210 and the surge protector module 230, and the circuit is shortened.

As shown in fig. 4 and 5, the housing 100 of the present embodiment includes a base 130 and a base 110 disposed along the insertion and extraction direction (i.e., the third direction) of the switch module, the first, second and third mounting grooves 111, 112 and 113 are provided on one side of the base 110, and the base 130 is covered on the other side of the base 110 to form the accommodating cavity.

Preferably, a clamping rail groove 131 is formed on one side of the base 130 away from the base 110, and is used for clamping a clamping rail in the distribution box. The combination switch of the present embodiment can be integrally mounted in the wiring box.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (16)

1. A shell structure of a combined switch comprises a shell (100), a ground wire terminal (500) and at least one group of wire connecting terminals, wherein the ground wire terminal (500) and the wire connecting terminals are fixed in the shell (100), each group of wire connecting terminal comprises a wire inlet terminal (310) and a wire outlet terminal (320), and the combined switch is characterized in that the shell (100) is provided with a first mounting groove (111), a second mounting groove (112) and a third mounting groove (113), the shell (100) is provided with a first wire inlet connector (410), a first wire outlet connector (420), a second wire inlet connector (430), a second wire outlet connector (440), a third wire inlet connector (450) and a third wire outlet connector (460), the first wire inlet connector (410) is electrically connected with the wire inlet terminal (310) and extends into the first mounting groove (111) or is communicated with the first mounting groove (111), the first wire outlet connector (420) is electrically connected with the wire outlet terminal (320) and extends into the first mounting groove (111) or is communicated with the first mounting groove (111), the second wire inlet connector (310) is electrically connected with the second wire inlet connector (310) and extends into the second wire inlet terminal (112) or is communicated with the first mounting groove (112), the second outgoing connector (440) extends into the second mounting groove (112) or is communicated with the second mounting groove (112), the third incoming connector (450) is electrically connected with the second outgoing connector (440) and extends into the third mounting groove (113) or is communicated with the third mounting groove (113), and the third outgoing connector (460) is electrically connected with the ground wire terminal (500) and extends into the third mounting groove (113) or is communicated with the third mounting groove (113).

2. The structure of claim 1, wherein the housing (100) has a housing cavity for accommodating the first incoming connector (410), the first outgoing connector (420), the second incoming connector (430), the second outgoing connector (440), the third incoming connector (450) and the third outgoing connector (460), the first mounting groove (111), the second mounting groove (112) and the third mounting groove (113) are located at one side of the housing cavity, and a common wall (114) is provided between the first mounting groove (111), the second mounting groove (112), the third mounting groove (113) and the housing cavity.

3. The casing structure of a combination switch according to claim 2, wherein the common wall body (114) is provided with a first through hole (117) and a second through hole (118) which are respectively communicated with the accommodating cavity and the first mounting groove (111) in a penetrating manner, the first wire inlet connector (410) is a copper bar, at least part of the first wire inlet connector (410) extends into the first mounting groove (111) through the first through hole (117), the first wire outlet connector (420) is a copper bar, and at least part of the first wire outlet connector (420) extends into the first mounting groove (111) through the second through hole (118).

4. The structure of claim 2, wherein the housing (100) further comprises a first terminal cavity (123) communicating with the accommodating cavity and corresponding to the incoming wire terminal (310), and a second terminal cavity (124) communicating with the accommodating cavity and corresponding to the outgoing wire terminal (320), the first incoming wire connector (410) extends at least partially into the first terminal cavity (123) and is directly connected to the incoming wire terminal (310), and the first outgoing wire connector (420) extends at least partially into the second terminal cavity (124) and is directly connected to the outgoing wire terminal (320).

5. The structure of claim 4, wherein the protrusion of the common wall (114) is provided with at least two first limit protrusions (115) and at least two second limit protrusions (116), the first wire inlet connector (410) has a U-shaped structure, one side of the first wire inlet connector (410) extends into the first mounting groove (111), the other side extends into the first terminal cavity (123), and the bottom edge of the first wire inlet connector (410) abuts against the common wall (114) and is limited between the two first limit protrusions (115);

The first outgoing connector (420) is of a U-shaped structure, one side edge of the first outgoing connector (420) stretches into the first mounting groove (111), the other side edge stretches into the second terminal cavity (124), and the bottom edge of the first outgoing connector (420) abuts against the common wall body (114) and is limited between the two second limiting protrusions (116).

6. The housing structure of the combination switch of claim 1 or 4, wherein the wire incoming terminal (310) comprises a first wire frame (311) and a first wire connection screw (312) arranged on the first wire frame (311), the first wire frame (311) is provided with a first connection part (313) which is directly connected with the first wire incoming connector (410) in a direction away from the first wire connection screw (312), the wire outgoing terminal (320) comprises a second wire frame (321) and a second wire connection screw (322) arranged on the second wire frame (321), and the second wire frame (321) is provided with a second connection part (323) which is directly connected with the first wire outgoing connector (420) in a direction away from the second wire connection screw (322).

7. The shell structure of the combined switch according to claim 2, wherein the common wall body (114) is provided with a third through hole (119) and a fourth through hole (120) which are respectively communicated with the accommodating cavity and the second mounting groove (112) in a penetrating manner, the second wire-incoming connector (430) is a copper bar, at least part of the second wire-incoming connector (430) stretches into the second mounting groove (112) through the third through hole (119), the part of the second wire-incoming connector (430) positioned in the accommodating cavity is electrically connected with the wire-incoming terminal (310), the second wire-outgoing connector (440) is a copper bar, at least part of the second wire-outgoing connector (440) stretches into the second mounting groove (112) through the fourth through hole (120), and the part of the second wire-outgoing connector (440) positioned in the accommodating cavity is directly connected with the third wire-incoming connector (450).

8. The structure of claim 2, wherein the portion of the second wire-incoming connector (430) located in the accommodating cavity is provided with a first positioning hole (431), the common wall body (114) is provided with a first positioning protrusion (125) located in the accommodating cavity and matched with the first positioning hole (431), and the portion of the second wire-incoming connector (430) located in the accommodating cavity is abutted against the common wall body (114) and sleeved on the first positioning protrusion (125) through the first positioning hole (431).

9. The structure of claim 2, wherein the second outlet connector (440) is provided with a second positioning hole (441) at a portion located in the accommodating cavity, at least two third positioning protrusions (127) and second positioning protrusions (126) matched with the second positioning holes (441) are arranged on the common wall body (114) in a protruding mode, and the portion of the second outlet connector (440) located in the accommodating cavity is abutted to the common wall body (114) and limited between the two third positioning protrusions (127) and sleeved on the second positioning protrusions (126) through the second positioning holes (441).

10. The casing structure of the combination switch of claim 2, wherein the common wall body (114) is provided with a fifth through hole (121) and a sixth through hole (122) which are respectively communicated with the accommodating cavity and the third mounting groove (113) in a penetrating manner, the third wire inlet connector (450) is a slot, the third wire inlet connector (450) is correspondingly arranged with the fifth through hole (121), the third wire outlet connector (460) is a slot, and the third wire outlet connector (460) is correspondingly arranged with the sixth through hole (122).

11. The structure of claim 1, 7 or 10, wherein the third wire connector (450) is a spring clip structure, a wire connection part (451) is extended from one end of the third wire connector (450) away from the socket of the third wire connector (450) to a direction away from the third wire connector (460), and the second wire connector (440) is at least partially connected with the wire connection part (451) in a stacked manner.

12. The housing structure of a combination switch as set forth in claim 1 or 10, wherein the third outlet connector (460) is of a spring clip structure, an outlet connection portion (461) is provided at one end of the third outlet connector (460) away from the outlet of the third outlet connector (460) in a direction away from the outlet of the third outlet connector (450), the outlet connection portions (461) of all the third outlet connectors (460) are connected to a bus bar (470), and the bus bar (470) is electrically connected to a ground terminal (500) through a first flexible connection (480).

13. The structure of claim 2, wherein the housing (100) comprises a base (130) and a base (110), the first mounting groove (111), the second mounting groove (112) and the third mounting groove (113) are formed on one side of the base (110), and the base (130) is covered on the other side of the base (110) to form the accommodating cavity.

14. The structure of claim 1, wherein the housing (100) is further provided with a signal terminal (600), and the signal terminal (600) is disposed opposite to the ground terminal (500).

15. The housing structure of a combination switch according to claim 1, wherein the second mounting groove (112) and the third mounting groove (113) are located at one side of the first mounting groove (111) in a first direction, the second mounting groove (112) and the third mounting groove (113) are sequentially arranged along a second direction, the incoming line terminal (310) and the outgoing line terminal (320) are oppositely arranged at two sides of the first mounting groove (111) in the second direction, a plurality of incoming line terminals (310) are arranged in a row along the first direction, a plurality of outgoing line terminals (320) are arranged in a row along the first direction, openings of the first mounting groove (111), the second mounting groove (112) and the third mounting groove (113) are all arranged towards the third direction, and the first direction, the second direction and the third direction are mutually perpendicular.

16. The structure of claim 15, wherein the first plurality of wire connectors (410) are arranged in a row along a first direction, the first plurality of wire connectors (420) are arranged in a row along the first direction, and the first plurality of wire connectors (420) are arranged at opposite intervals in a second direction;

the plurality of second incoming connectors (430) are arranged in a row along the first direction, the plurality of second outgoing connectors (440) are arranged in a row along the first direction, and the plurality of second incoming connectors (430) and the plurality of second outgoing connectors (440) are arranged at opposite intervals in the second direction;

The plurality of third incoming connectors (450) are arranged in a row along the first direction, the plurality of third outgoing connectors (460) are arranged in a row along the first direction, and the plurality of third incoming connectors (450) and the plurality of third outgoing connectors (460) are arranged at opposite intervals in the second direction.