Combined switch

Abstract

A combined switch comprises a shell, a switch module, a ground wire terminal and a wiring terminal, the switch module comprises a first circuit breaker module, a second circuit breaker module and a surge protector module, and the shell is provided with a first installation groove, a second installation groove and a third installation groove. When the first circuit breaker module is inserted into the first mounting groove, the wire inlet end is electrically connected with the wire inlet terminal, and the wire outlet end is electrically connected with the wire outlet terminal; when the second circuit breaker module is inserted into the second mounting groove, the wire inlet end is electrically connected with the wire inlet terminal; when the surge protector module is inserted into the third mounting groove, the wire inlet end is electrically connected with the wire outlet end of the second circuit breaker module located in the second mounting groove, and the wire outlet end is electrically connected with the ground wire terminal. According to the combined switch provided by the utility model, the circuit breaker and the surge protector are combined into one combined switch, the switch modules are inserted into the shell to complete installation and electrical connection, the situation that the switch modules need wiring to realize electrical connection is avoided, and the whole combined switch only needs one-time wiring through the wiring terminals.

Description

TECHNICAL FIELD

[0001] The utility model relates to low voltage electrical apparatus field, concretely relates to a combined switch. BACKGROUND

[0002] The grid-connected box includes electric energy meter, knife switch, photovoltaic special circuit breaker, surge protector, backup protection circuit breaker and leakage circuit breaker, and electrical connection is needed between these devices, and the prior art mainly connects the devices by bolt connection to meet the power supply requirement of the devices and lines. The existing grid-connected box layout has the following disadvantages: many components in the grid-connected box, leading to many connections between the components, inconvenient maintenance and large space occupation; and unreliable wire connection, resulting in virtual connection, wrong connection and other phenomena. SUMMARY

[0003] The utility model discloses a combined switch which overcomes at least one defect of the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The combined switch comprises a shell, a switch module, a ground terminal fixed in the shell and at least one group of wiring terminals, each group of wiring terminals comprises an incoming terminal and an outgoing terminal, the switch module is plug-in mounted in the shell and comprises a first circuit breaker module, a second circuit breaker module and a surge protector module, the shell is provided with a first mounting slot, a second mounting slot and a third mounting slot, the first circuit breaker module is plug-in matched with the first mounting slot, and when the first circuit breaker module is inserted into the first mounting slot, the incoming terminal is electrically connected with the incoming terminal and the outgoing terminal is electrically connected with the outgoing terminal, the second circuit breaker module is plug-in matched with the second mounting slot, and when the second circuit breaker module is inserted into the second mounting slot, the incoming terminal is electrically connected with the incoming terminal, and the surge protector module is plug-in matched with the third mounting slot, and when the surge protector module is inserted into the third mounting slot, the incoming terminal is electrically connected with the outgoing terminal of the second circuit breaker module in the second mounting slot and the outgoing terminal is electrically connected with the ground terminal.

[0006] Optionally, the second mounting slot and the third mounting slot are located on one side of the first mounting slot in the first direction, the second mounting slot and the third mounting slot are sequentially arranged along the second direction, the incoming terminal and the outgoing terminal are oppositely arranged on both sides of the first mounting slot in the second direction, a plurality of the incoming terminals are arranged in a row along the first direction, a plurality of the outgoing terminals are arranged in a row along the first direction, and the first direction and the second direction are perpendicular to each other.

[0007] Optionally, the ground terminal is located on the side of the incoming terminal or the outgoing terminal close to the second mounting slot and the third mounting slot in the first direction.

[0008] Alternatively, the ground terminal is located on the side of the incoming line terminal or the outgoing line terminal away from the second mounting slot and the third mounting slot in the first direction.

[0009] Optionally, the first circuit breaker module includes a plurality of first circuit poles connected in sequence along the first direction, and a module size of the first circuit pole is 18 mm or 27 mm; the second circuit breaker module includes a plurality of second circuit poles connected integrally or separately along the first direction, and a module size of the second circuit pole is 13.5 mm or 18 mm; and the surge protector module includes a plurality of surge protection poles connected integrally or separately along the first direction, and a module size of the surge protection pole is 13.5 mm or 18 mm.

[0010] Optionally, the shell is provided with a first incoming copper bar and a first outgoing copper bar extending into the first mounting slot, the first incoming copper bar is electrically connected with the incoming line terminal, and the first outgoing copper bar is electrically connected with the outgoing line terminal.

[0011] The first circuit breaker module includes a plurality of first circuit poles connected in sequence side by side, one end of the first circuit pole is provided with a first handle, and each first circuit pole is provided with a first incoming line jack and a first outgoing line jack at an end away from the first handle, and the first incoming line jack and the first outgoing line jack are provided with elastic clamping structures for clamping the first incoming copper bar and the first outgoing copper bar, respectively.

[0012] Optionally, the shell is provided with a second incoming copper bar and a second outgoing copper bar extending into the second mounting slot, the second incoming copper bar is electrically connected with the incoming line terminal, and the second outgoing copper bar is electrically connected with the incoming terminal of the surge protector module.

[0013] The second circuit breaker module is a backup protection circuit breaker, including a plurality of second circuit poles connected integrally or separately, one end of the second circuit pole is provided with a second handle, and each second circuit pole is provided with a second incoming line jack and a second outgoing line jack at an end away from the second handle, and the second incoming line jack and the second outgoing line jack are provided with elastic clamping structures for clamping the second incoming copper bar and the second outgoing copper bar, respectively.

[0014] Optionally, a plurality of first guide protrusions are protruded on the side wall of the second mounting slot along the first direction, the plurality of first guide protrusions are arranged at intervals along the first direction, and the second circuit pole is provided with a first guide groove matched with the first guide protrusion.

[0015] Optionally, the shell is provided with an incoming line jack slot and an outgoing line jack slot in communication with the third mounting slot, the incoming line jack slot is electrically connected with the outgoing terminal of the second circuit breaker module, and the outgoing line jack slot is electrically connected with the ground terminal.

[0016] The surge protector module comprises a plurality of surge protection poles connected integrally or separately, and is provided with an indication window and a third pulling mechanism at one end.

[0017] Optionally, a plurality of second guide protrusions are protruded on the sidewall of the third mounting slot arranged along the first direction, and the plurality of second guide protrusions are arranged along the first direction at intervals.

[0018] Optionally, the communication module is integrated in the control pole of the first circuit breaker module.

[0019] Optionally, the housing is provided with a first power supply interface for providing power supply for the control pole, the first power supply interface is in communication with the first mounting slot, and the first power supply interface is arranged in correspondence with and electrically connected to the incoming line end or the outgoing line end of the control pole.

[0020] Optionally, the communication module is integrated in the control pole of the first circuit breaker module.

[0021] Optionally, the fourth mounting slot is located on the side of the first mounting slot away from the second mounting slot and the third mounting slot along the first direction.

[0022] Optionally, the housing is provided with a second power supply interface for providing power supply for the communication module, and the second power supply interface is in communication with the fourth mounting slot.

[0023] And / or, the housing is provided with a communication interface for collecting signals of the first circuit breaker module, the communication interface is in communication with the first mounting slot, and is arranged in correspondence with the incoming line end or the outgoing line end of the control pole of the first circuit breaker module.

[0024] Optionally, the communication module and the first circuit breaker module are connected integrally or separately along the first direction in sequence, and the fourth mounting slot is in communication with the first mounting slot.

[0025] Optionally, the housing is further provided with a signal terminal, and the signal terminal is electrically connected to at least one of the surge protector module, the first circuit breaker module and the communication module; and the first circuit breaker module comprises a control pole for electrical connection with the signal terminal.

[0026] Optionally, the signal terminal is arranged opposite to the ground terminal, and is located on both sides of the control pole along the second direction.

[0027] Optionally, the fourth mounting slot of the shell has a size in the second direction that is equal to or less than a size of the first mounting slot in the second direction, and the signal terminal and the ground terminal are arranged opposite to each other and located on two sides of the control electrode in the second direction, respectively.

[0028] Alternatively, the fourth mounting slot has a size in the second direction that is greater than a size of the first mounting slot in the second direction, and the signal terminal and the ground terminal are arranged opposite to each other and located on two sides of the control electrode in the second direction, respectively.

[0029] Optionally, the shell is provided with a receiving cavity, the first mounting slot, the second mounting slot and the third mounting slot are located on one side of the receiving cavity, and a shared wall body is arranged between the first mounting slot, the second mounting slot, the third mounting slot and the receiving cavity; the receiving cavity is provided with a first incoming copper bar, a first outgoing copper bar, a second incoming copper bar, a second outgoing copper bar, an incoming slot and an outgoing slot; the first incoming copper bar is electrically connected with the incoming terminal and extends into the first mounting slot; the first outgoing copper bar is electrically connected with the outgoing terminal and extends into the first mounting slot; the second incoming copper bar is electrically connected with the incoming terminal and extends into the second mounting slot, and the second outgoing copper bar extends into the second mounting slot; the incoming slot is electrically connected with the second outgoing copper bar and communicates with the third mounting slot; and the outgoing slot is electrically connected with the ground terminal and communicates with the third mounting slot.

[0030] Optionally, the shell comprises a base and a pedestal, the pedestal is provided with the first mounting slot, the second mounting slot and the third mounting slot on one side of the pedestal, and the base covers the other side of the pedestal to form the receiving cavity.

[0031] Optionally, the plug-in direction of the switch module is arranged along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0032] The combined switch of the utility model combines the circuit breaker and the surge protector into one combined switch, each switch module is installed and electrically connected by being inserted into the shell, wiring is not needed to realize electrical connection of each switch module, and only one wiring is needed for the entire combined switch through the wiring terminal, and the switch module can be plugged, disassembled and reassembled during maintenance, which is very convenient.

[0033] In addition, the switch module and the wiring terminal are electrically connected through the line module prearranged in the shell, each switch module is plugged and connected with the copper bar / slot, installation and electrical connection are synchronized, the circuit is isolated after each switch module is plugged and separated from the copper bar / slot, the application of the isolated switch or the knife switch can be avoided, and the plug-in electrical connection is more reliable, and false connection and wrong connection are avoided.

[0034] In addition, the surge protector module and the second circuit breaker module arranged in up and down are arranged at the side of the mounting groove of the first circuit breaker module, so that the outgoing terminal and the incoming terminal can be arranged compactly above and below the first circuit breaker module, and the layout is compact and reasonable, and space is saved. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a perspective view of the combined switch of the embodiment one of the utility model from one angle;

[0036] Figure 2 is a perspective view of the combined switch of the embodiment one of the utility model from another angle;

[0037] Figure 3 is a circuit diagram of the combined switch of the embodiment one of the utility model;

[0038] Figure 4 is a structural schematic diagram of the combined switch of the embodiment one of the utility model without the switch module;

[0039] Figure 5 is an exploded view of the combined switch of the embodiment one of the utility model;

[0040] Figure 6 is a structural schematic diagram of the combined switch of the embodiment one of the utility model without the base from the back;

[0041] Figure 7 is a view of the circuit module and the terminal of the embodiment one of the utility model;

[0042] Figure 8 is a perspective view of the circuit module and the terminal of the embodiment one of the utility model;

[0043] Figure 9 is a structural schematic diagram of the combined switch of the embodiment one of the utility model when the first circuit breaker module is exploded;

[0044] Figure 10 is a structural schematic diagram of the combined switch of the embodiment one of the utility model when the second circuit breaker is exploded;

[0045] Figure 11 is a structural schematic diagram of the combined switch of the embodiment one of the utility model when the surge protection is exploded;

[0046] Figure 12 is a structural schematic diagram of the combined switch of the embodiment two of the utility model without the switch module;

[0047] Figure 13 is a structural schematic diagram of the combined switch of the embodiment three of the utility model without the switch module;

[0048] Figure 14Is the structural schematic diagram of the embodiment four combined switch of the utility model;

[0049] Figure 15 Is the schematic diagram of the embodiment four combined switch of the utility model removes switch module and communication module;

[0050] Figure 16 Is the structural schematic diagram of the embodiment five combined switch of the utility model;

[0051] Figure 17 Is the schematic diagram of the embodiment five combined switch of the utility model removes switch module and communication module;

[0052] Figure 18 Is the structural schematic diagram of the embodiment six combined switch of the utility model;

[0053] Figure 19 Is the schematic diagram of the embodiment six combined switch of the utility model removes switch module and communication module;

[0054] Figure 20 Is the structural schematic diagram of the embodiment seven combined switch of the utility model;

[0055] Figure 21 Is the schematic diagram of the embodiment seven combined switch of the utility model removes switch module and communication module;

[0056] Figure 22 Is the structural schematic diagram of the embodiment eight combined switch of the utility model;

[0057] Figure 23 Is the schematic diagram of the embodiment eight combined switch of the utility model removes switch module and communication module;

[0058] Figure 24 Is the structural schematic diagram of the embodiment nine combined switch of the utility model;

[0059] Figure 25 Is the schematic diagram of the embodiment nine combined switch of the utility model removes switch module and communication module;

[0060] Figure 26 Is the structural schematic diagram of the embodiment ten combined switch of the utility model;

[0061] Figure 27 Is the schematic diagram of the embodiment ten combined switch of the utility model removes switch module and communication module;

[0062] Figure 28 Is the structural schematic diagram of the embodiment eleven combined switch of the utility model;

[0063] Figure 29is a schematic view of the combination switch of the embodiment 11 of the utility model removing switch module and communication module;

[0064] Figure 30 is a structural schematic view of the combination switch of the embodiment 12 of the utility model;

[0065] Figure 31 is a schematic view of the combination switch of the embodiment 12 of the utility model removing switch module and communication module;

[0066] Figure 32 is a structural schematic view of the combination switch of the embodiment 13 of the utility model;

[0067] Figure 33 is a schematic view of the combination switch of the embodiment 13 of the utility model removing switch module and communication module;

[0068] Figure 34 is a structural schematic view of the combination switch of the embodiment 14 of the utility model;

[0069] Figure 35 is a schematic view of the combination switch of the embodiment 14 of the utility model removing switch module and communication module;

[0070] Figure 36 is a structural schematic view of the combination switch of the embodiment 15 of the utility model;

[0071] Figure 37 is a schematic view of the combination switch of the embodiment 15 of the utility model removing switch module and communication module.

[0072] Housing 100; base 110; first mounting slot 111; second mounting slot 112; third mounting slot 113; common wall 114; first limiting protrusion 115; second limiting protrusion 116; first through hole 117; second through hole 118; third through hole 119; fourth through hole 120; fifth through hole 121; sixth through hole 122; first terminal cavity 123; second terminal cavity 124; first positioning protrusion 125; second positioning protrusion 126; third limiting protrusion 127; first guide protrusion 128; second guide protrusion 129; base plate 130; clamping rail slot 131; fourth mounting slot 140; first circuit breaker module 210; first circuit breaking pole 211; control pole 212; first handle 213; first pulling mechanism 214; second circuit breaker module 220; second circuit breaking pole 221; first guide slot 222; second handle 223; second pulling mechanism 224; surge protector module 230; surge protection pole 231; second guide slot 232; indication window 233; third pulling mechanism 234; third incoming line row plug 235; third outgoing line row plug 236; incoming line terminal 310; first wiring frame 311; first wiring screw 312; first connecting part 313; outgoing line terminal 320; second wiring frame 321; second wiring screw 322; second connecting part 323; first incoming line copper bar 410; first outgoing line copper bar 420; second incoming line copper bar 430; first positioning hole 431; second outgoing line copper bar 440; second positioning hole 441; incoming line slot 450; incoming line connecting part 451; outgoing line slot 460; outgoing line connecting part 461; busbar 470; first flexible connection 480; second flexible connection 490; ground terminal 500; signal terminal 600; communication module 700; first power supply interface 800; second power supply interface 810; communication interface 820. DETAILED DESCRIPTION

[0073] The combination switch of the present application is not limited to the following embodiments.

[0074] As Figures 1-3As shown, the combined switch of the embodiment comprises a shell 100, a switch module, a ground terminal 500 fixed in the shell 100, and at least one group of wiring terminals, each group of wiring terminals comprising an incoming terminal 310 and an outgoing terminal 320. In particular, the switch module is plug-in mounted in the shell 100, comprising a first circuit breaker module 210, a second circuit breaker module 220, and a surge protector module 230, the shell 100 is provided with a first mounting slot 111, a second mounting slot 112, and a third mounting slot 113, the first circuit breaker module 210 is plug-in fitted with the first mounting slot 111, and when the first circuit breaker module 210 is inserted into the first mounting slot 111, the incoming terminal of the first circuit breaker module 210 is electrically connected with the incoming terminal 310, and the outgoing terminal of the first circuit breaker module 210 is electrically connected with the outgoing terminal 320; the second circuit breaker module 220 is plug-in fitted with the second mounting slot 112, and when the second circuit breaker module 220 is inserted into the second mounting slot 112, the incoming terminal of the second circuit breaker module 220 is electrically connected with the incoming terminal 310; the surge protector module 230 is plug-in fitted with the third mounting slot 113, and when the surge protector module 230 is inserted into the third mounting slot 113, the incoming terminal of the surge protector module 230 is electrically connected with the outgoing terminal of the second circuit breaker module 220 located in the second mounting slot 112, and the outgoing terminal of the surge protector module 230 is electrically connected with the ground terminal 500.

[0075] The combined switch of the embodiment combines the circuit breaker and the surge protector into one combined switch, each switch module is installed and electrically connected by being inserted into the shell 100, avoiding the need for wiring to achieve electrical connection for each switch module, and the entire combined switch only needs to be wired once through the wiring terminals, and can be easily plugged and unplugged for maintenance.

[0076] As shown in FIG. 1, the combined switch of the embodiment comprises a shell 100, a switch module, a ground terminal 500 fixed in the shell 100, and at least one group of wiring terminals, each group of wiring terminals comprising an incoming terminal 310 and an outgoing terminal 320. In particular, the switch module is plug-in mounted in the shell 100, comprising a first circuit breaker module 210, a second circuit breaker module 220, and a surge protector module 230, the shell 100 is provided with a first mounting slot 111, a second mounting slot 112, and a third mounting slot 113, the first circuit breaker module 210 is plug-in fitted with the first mounting slot 111, and when the first circuit breaker module 210 is inserted into the first mounting slot 111, the incoming terminal of the first circuit breaker module 210 is electrically connected with the incoming terminal 310, and the outgoing terminal of the first circuit breaker module 210 is electrically connected with the outgoing terminal 320; the second circuit breaker module 220 is plug-in fitted with the second mounting slot 112, and when the second circuit breaker module 220 is inserted into the second mounting slot 112, the incoming terminal of the second circuit breaker module 220 is electrically connected with the incoming terminal 310; the surge protector module 230 is plug-in fitted with the third mounting slot 113, and when the surge protector module 230 is inserted into the third mounting slot 113, the incoming terminal of the surge protector module 230 is electrically connected with the outgoing terminal of the second circuit breaker module 220 located in the second mounting slot 112, and the outgoing terminal of the surge protector module 230 is electrically connected with the ground terminal 500. Figure 2 and Figure 4As shown, in a preferred mode of the combined switch layout structure of the embodiment, the second mounting slot 112 and the third mounting slot 113 are located on one side of the first mounting slot 111 in the first direction, and are arranged in sequence along the second direction. The line-in terminal 310 and the line-out terminal 320 are arranged oppositely on both sides of the first mounting slot 111 in the second direction. A plurality of line-in terminals 310 are arranged in a row along the first direction, and a plurality of line-out terminals 320 are arranged in a row along the first direction. The plug-in direction of the switch module is arranged along the third direction, i.e. the openings of the first mounting slot 111, the second mounting slot 112 and the third mounting slot 113 are all arranged towards the third direction. The plug-in direction of the first circuit breaker module 210, the plug-in direction of the second circuit breaker module 220 and the plug-in direction of the surge protector module 230 are the same and are all arranged along the third direction. The first direction, the second direction and the third direction are perpendicular to each other. The mounting slots of the surge protector module 230 and the second circuit breaker module 220 arranged above and below are arranged on the side of the mounting slots of the first circuit breaker module 210, so that the line-out terminals 320 and the line-in terminals 310 can be arranged compactly above and below the first circuit breaker module 210, and the layout is compact and reasonable, saving space.

[0077] It should be noted that in the embodiment, the first direction refers to the left-right direction in Figure 6 , the second direction refers to the up-down direction in Figure 6 , and the third direction refers to the direction perpendicular to the drawing in Figure 6 .

[0078] Preferably, the ground terminal 500 is located on the side of the line-in terminal 310 or the line-out terminal 320 close to the second mounting slot 112 and the third mounting slot 113 in the first direction. The ground terminal 500 is located at the middle position and is arranged close to the third mounting slot 113, which is convenient for electrical connection with the surge protector module 230. Alternatively, the ground terminal 500 is located at the edge position, and the ground terminal 500 is located on the side of the line-in terminal 310 or the line-out terminal 320 away from the second mounting slot 112 and the third mounting slot 113 in the first direction.

[0079] As Figures 9-11As shown, the first circuit breaker module 210 includes a plurality of first circuit poles 211 connected in sequence along the first direction, the module size (i.e. the size of the first circuit pole 211 in the first direction) of the first circuit pole 211 is 18mm or 27mm, the size of the first circuit breaker module 210 in the second direction is generally 45-60mm, and the size in the third direction is generally 60-80mm; the second circuit breaker module 220 is a backup protection circuit breaker, including a plurality of second circuit poles 221 connected in sequence along the first direction, the module size (i.e. the size of the second circuit pole 221 in the first direction) of the second circuit pole 221 is 13.5mm or 18mm; the surge protector module 230 includes a plurality of surge protection poles 231 connected in sequence along the first direction, the module size (i.e. the size of the surge protection pole 231 in the first direction) of the surge protection pole 231 is 13.5mm or 18mm. The size of the housing 100 of the combined switch in the second direction is 100-140mm.

[0080] It should be noted that the first circuit breaker module 210 is the main switch of the combined switch, which realizes overload and / or short circuit protection for the circuit or the electrical equipment, and can also be used for leakage, undervoltage and / or overvoltage protection according to needs; the first circuit breaker module 210 can be a conventional small plug-in circuit breaker, or a photovoltaic special circuit breaker, or a leakage circuit breaker, which can be an AC circuit breaker or a DC circuit breaker; the first circuit breaker pole 211 is provided with an overload protection mechanism and / or a short circuit protection mechanism, the overload protection mechanism generally includes a bimetallic strip, and the short circuit protection mechanism generally includes an electromagnetic release. In the embodiment, the first circuit breaker module 210 is a photovoltaic special circuit breaker. The surge protector is an electrical device for protecting the circuit or the electrical equipment from damage caused by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage impact. The backup protection circuit breaker is an external disconnection device of the surge protector, which can withstand the expected surge current at the installation place of the protection surge protector, and can break the power frequency overcurrent generated due to the failure of the surge protector.

[0081] As Figure 4 and Figure 9As shown, the electrical connection structure of the first circuit breaker module 210 of the embodiment, the shell 100 is provided with a first incoming copper bar 410 and a first outgoing copper bar 420 extending into the first mounting slot 111, the first incoming copper bar 410 is electrically connected with the incoming terminal 310, and the first outgoing copper bar 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 pulling mechanism 214, and the end of each first circuit breaking pole 211 away from the first handle 213 is provided with a first incoming plug hole and a first outgoing plug hole, and a elastic clamping structure is arranged in the first incoming plug hole and the first outgoing plug hole for clamping the first incoming copper bar 410 and the first outgoing copper bar 420 respectively. The first circuit breaker module 210 and the wiring terminal are electrically connected through the first incoming copper bar 410 and the first outgoing copper bar 420 prearranged in the shell 100, the first circuit breaker module 210 and the first incoming copper bar 410 and the first outgoing copper bar 420 are plug-in connected, the installation and electrical connection are synchronized, and after the first circuit breaker module 210 and the first incoming copper bar 410 and the first outgoing copper bar 440 are plug-in separated, the circuit is isolated, and the application of the isolation switch or the knife switch can be avoided; moreover, the plug-in electrical connection is more reliable, and the phenomena such as virtual connection and wrong connection are avoided.

[0082] As shown in Figure 4 and Figure 10 As shown, the electrical connection structure of the second circuit breaker module 220 of the embodiment, the shell 100 is provided with a second incoming copper bar 430 and a second outgoing copper bar 440 extending into the second mounting slot 112, the second incoming copper bar 430 is electrically connected with the incoming terminal 310, and the second outgoing copper bar 440 is electrically connected with the incoming terminal of the surge protector module 230; one end of the second circuit breaking pole 221 is provided with a second handle 223 and a second pulling mechanism 224, and the end of each second circuit breaking pole 221 away from the second handle 223 is provided with a second incoming plug hole and a second outgoing plug hole, and a elastic clamping structure is arranged in the second incoming plug hole and the second outgoing plug hole for clamping the second incoming copper bar 430 and the second outgoing copper bar 440 respectively. The second circuit breaker module 220 and the wiring terminal are electrically connected through the second incoming copper bar 430 and the second outgoing copper bar 440 prearranged in the shell 100, the second circuit breaker module 220 and the second incoming copper bar 430 and the second outgoing copper bar 440 are plug-in connected, the installation and electrical connection are synchronized, and after the second circuit breaker module 220 and the second incoming copper bar 430 and the second outgoing copper bar 440 are plug-in separated, the circuit is isolated, and the application of the isolation switch or the knife switch can be avoided; moreover, the plug-in electrical connection is more reliable, and the phenomena such as virtual connection and wrong connection are avoided.

[0083] As other embodiments, the first incoming copper bar 410 and the first outgoing copper bar 420, the second incoming copper bar 430 and the second outgoing copper bar 440 can also be replaced by the slot of the elastic clip structure; correspondingly, the incoming end and the outgoing end of the first circuit breaker module 210 and the incoming end and the outgoing end of the second circuit breaker module 220 can also be replaced by the straight sheet-shaped structure of the bar plug (copper bar).

[0084] As shown in Figure 4 and Figure 10 , the mounting guide structure of the second circuit breaker module 220 of the embodiment, the second mounting slot 112 is provided with a plurality of first guide protrusions 128 on the side wall arranged in the first direction, and the plurality of first guide protrusions 128 are arranged in the first direction. The first guide protrusions 128 are arranged in the first direction, and the second circuit breaker pole 221 is provided with a first guide groove 222 matched with the first guide protrusion 128. It is convenient to quickly and accurately install the second circuit breaker module 220, and the split type second circuit breaker module 220 can be single-pole disassembled and replaced.

[0085] As shown in Figure 4 and Figure 11 , the electrical connection structure of the surge protector module 230 of the embodiment, the housing 100 is provided with an incoming plug slot 450 and an outgoing plug slot 460 in communication with the third mounting slot 113, the incoming plug slot 450 is electrically connected with the outgoing end of the second circuit breaker module 220, and the outgoing plug slot 460 is electrically connected with the ground terminal 500; one end of the surge protector module 230 is provided with an indicating window 233 and a third pulling mechanism 234, and each surge protection pole 231 is provided with a third incoming bar plug 235 and a third outgoing bar plug 236 extending out of the surge protector module housing at the end away from the indicating window 233, the third incoming bar plug 235 is connected with the incoming plug slot 450, and the third outgoing bar plug 236 is connected with the outgoing plug slot 460. The electrical connection between the surge protector module 230 and the second circuit breaker module 220 and the ground terminal 500 is realized through the incoming plug slot 450 and the outgoing plug slot 460 pre-set in the housing 100, the surge protector module 230 is connected with the incoming plug slot 450 and the outgoing plug slot 460, and the installation and electrical connection are synchronized, when the surge protector module 230 is connected with the incoming plug slot 450 and the outgoing plug slot 460, the circuit is isolated, and the application of the isolation switch or the knife switch can be avoided; moreover, the plug-in electrical connection is more reliable, and the virtual connection and the wrong connection are avoided.

[0086] As shown in Figure 4 and Figure 11As shown, the mounting guide structure of the surge protector module 230 of the embodiment, the third mounting groove 113 is provided with a plurality of second guide protrusions 129 on the side wall arranged along the first direction, the plurality of second guide protrusions 129 are arranged along the first direction, and the surge protection pole 231 is provided with a second guide groove 232 matched with the second guide protrusion 129. It is convenient to quickly and accurately install the surge protector module 230, and the split type surge protector module 230 can be single-pole disassembled and replaced.

[0087] As shown in the figure, Figures 4-6 A preferred embodiment of the copper bar and slot layout of the embodiment, a plurality of first incoming copper bars 410 are arranged in a row along the first direction, a plurality of first outgoing copper bars 420 are arranged in a row along the first direction, and the plurality of first incoming copper bars and the plurality of first outgoing copper bars 420 are arranged in opposite directions along the second direction; a plurality of second incoming copper bars 430 are arranged in a row along the first direction, a plurality of second outgoing copper bars 440 are arranged in a row along the first direction, and the plurality of second incoming copper bars 430 and the plurality of second outgoing copper bars 440 are arranged in opposite directions along the second direction; a plurality of incoming slots 450 are arranged in a row along the first direction, a plurality of outgoing slots 460 are arranged in a row along the first direction, and the plurality of incoming slots 450 and the plurality of outgoing slots 460 are arranged in opposite directions along the second direction. Correspondingly, a plurality of incoming terminals of a single switch module are arranged in a row along the first direction, a plurality of outgoing terminals of a single switch module are arranged in a row along the first direction, and the plurality of incoming terminals and the plurality of outgoing terminals of a single switch module are arranged in opposite directions along the second direction, the single switch module refers to the first circuit breaker module 210 / second circuit breaker module 220 / surge protector module 230. Reasonable layout, simplified wiring structure.

[0088] As shown in the figure, Figure 1 And Figure 4 As shown, the housing 100 is also provided with a signal terminal 600, the signal terminal 600 is electrically connected with the surge protector module 230; and / or, the signal terminal 600 is electrically connected with the first circuit breaker module 210, the first circuit breaker module 210 is an intelligent circuit breaker, further comprising a control pole 212 for electrically connecting with the signal terminal 600. The signal terminal 600 is used for transmitting the related signals of the surge protector module 230 and / or the first circuit breaker module 210, for example, the control pole 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; further provided with an automatic opening and closing electric mechanism, which can drive the first circuit breaker pole 211 to automatically open and close; further provided with an electric leakage release, which triggers the first circuit breaker pole 211 to release and open when electric leakage is monitored.

[0089] As shown in the figure, Figure 1 And Figure 4The signal terminal 600 is arranged opposite to the ground terminal 500, and is located on both sides of the control pole 212 in the second direction. The layout is compact and reasonable, saves the occupied space, and reduces the size of the combination switch.

[0090] In the embodiment, the incoming terminal 310 and the second mounting groove 112 are arranged in sequence in the first direction, the outgoing terminal 320 and the third mounting groove 113 are arranged in sequence in the first direction, the ground terminal 500 is located between the incoming terminal 310 and the second mounting groove 112 in the first direction, and the signal terminal 600 is located between the outgoing terminal 320 and the third mounting groove 113 in the first direction. The incoming terminal 310 is arranged close to the first mounting groove 111 and the second mounting groove 112, which facilitates the electrical connection between the incoming terminal 310 and the incoming terminals of the first circuit breaker module 210 and the second circuit breaker module 220, and shortens the circuit; the signal terminal 600 is arranged close to the first mounting groove 111 and the third mounting groove 113, which facilitates the electrical connection between the signal terminal 600 and the first circuit breaker module 210 and the surge protector module 230, and shortens the circuit.

[0091] Of course, as other embodiments, the ground terminal 500 is located on the side of the incoming terminal 310 away from the second mounting groove 112 in the first direction, and the signal terminal 600 is located on the side of the outgoing terminal 320 away from the third mounting groove 113 in the first direction.

[0092] As Figure 12 The second embodiment of the combination switch is different from the first embodiment in that the combination switch further comprises a communication module 700 integrated in the control pole 212.

[0093] Further, in the embodiment, the shell 100 is provided with a first power interface 800 for providing power supply for the control pole 212. The first power interface 800 communicates with the first mounting groove 111, and the first power interface 800 is arranged corresponding to and electrically connected with the incoming terminal or the outgoing terminal of the control pole 212.

[0094] As Figure 13 The third embodiment of the combination switch is different from the second embodiment in the positions of the control pole 212, the ground terminal 500 and the signal terminal 600 arranged opposite to the control pole 212.

[0095] In the embodiment, the ground terminal 500 is located on the side of the incoming terminal 310 away from the second mounting groove 112 in the first direction, and the signal terminal 600 is located on the side of the outgoing terminal 320 away from the third mounting groove 113 in the first direction.

[0096] As Figures 14-15The fourth embodiment of the combined switch shown differs from the first embodiment in that the combined switch in this embodiment also includes a communication module 700. The communication module 700 has an independent module housing. The communication module 700 is plugged into and detached from the fourth mounting slot 140. The fourth mounting slot 140 is located in the first direction between the first mounting slot 111 and the second mounting slot 112 and between the first mounting slot 111 and the third mounting slot 113.

[0097] The second difference from Embodiment 1 lies in the positions of the signal terminal 600 and the ground terminal 500. In this embodiment, the dimension of the fourth mounting groove 140 in the second direction is equal to or smaller than the dimension of the first mounting groove 111 in the second direction. The signal terminal 600 and the ground terminal 500 are arranged opposite to each other, located on both sides of the fourth mounting groove 140 in the second direction. In this embodiment, the fourth mounting groove 140 and the first mounting groove 111 are independent square grooves.

[0098] In this embodiment, the communication module 700 is adjacent to the control pole 212 of the first circuit breaker module 210 in the first direction.

[0099] In this embodiment, the housing 100 is provided with a second power interface 810 for providing power to the communication module 700, and the second power interface 810 is connected to the fourth mounting slot 140; and / or, the housing 100 is provided with a communication interface 820 for acquiring signals from the first circuit breaker module 210, and the communication interface 820 is connected to the first mounting slot 111 and is correspondingly set to the incoming or outgoing terminal of the control pole 212.

[0100] like Figures 16-17 The fifth embodiment of the combination switch shown differs from the fourth embodiment in that the position of the fourth mounting slot 140 (i.e. the position of the communication module 700) is located in the first direction on the side of the first mounting slot 111 away from the second mounting slot 112 and the third mounting slot 113.

[0101] The second difference from Embodiment 4 is the position of the signal terminal 600 and the ground terminal 500. In this embodiment, the signal terminal 600 and the ground terminal 500 are arranged opposite to each other and are located on both sides of the control electrode 212 in the second direction.

[0102] like Figures 18-19 The sixth embodiment of the combined switch shown differs from the fourth embodiment in that the relative positions of the communication module 700 and the control pole 212 of the first circuit breaker module 210 are such that, in this embodiment, the communication module 700 is adjacent to the opposite side of the control pole 212 of the first circuit breaker module 210 in the first direction.

[0103] likeFigures 20-21 The seventh embodiment of the combination switch shown is different from the fourth embodiment in that Figures 22-23 The eighth embodiment of the combination switch shown is different from the fifth embodiment in that Figures 24-25 The ninth embodiment of the combination switch shown is different from the sixth embodiment in that the communication module 700 and the first circuit breaker module 210 are connected in sequence along the first direction in one body or in separate bodies, and the fourth mounting slot 140 is in communication with the first mounting slot 111 to form an integral square slot.

[0104] The tenth embodiment of the combination switch shown is different from the fourth embodiment in that Figures 26-27 The eleventh embodiment of the combination switch shown is different from the fifth embodiment in that Figures 30-31 The twelfth embodiment of the combination switch shown is different from the sixth embodiment in that the fourth mounting slot 140 has a size in the second direction greater than that of the first mounting slot 111 in the second direction, and the signal terminal 600 and the ground terminal 500 are arranged opposite to each other and located on both sides of the control pole 212 in the second direction.

[0105] The thirteenth embodiment of the combination switch shown is different from the tenth embodiment in that Figures 28-29 The eleventh embodiment of the combination switch shown is different from the fifth embodiment in that the fourth mounting slot 140 has a size in the second direction greater than that of the first mounting slot 111 in the second direction.

[0106] The fourteenth embodiment of the combination switch shown is different from the eleventh embodiment in that Figures 32-33 The fifteenth embodiment of the combination switch shown is different from the twelfth embodiment in that the communication module 700 and the first circuit breaker module 210 are connected in sequence along the first direction in one body or in separate bodies, and the fourth mounting slot 140 is in communication with the first mounting slot 111 to form an integral T-shaped slot. Figures 34-35 Figures 36-37 It should be noted that in any of the above embodiments, the signal terminal 600 can be provided according to the intelligent lifting requirements. The signal terminal 600 serves as an external communication interface and can be electrically connected with the surge protector module 230 and / or the first circuit breaker module 210 and / or the communication module 700.

[0107] The signal terminal 600 can also not be provided, for example, in the fourth embodiment of the combination switch, even if the communication module 700 is added, other methods such as HPLC power carrier communication method can be used, and the signal terminal 600 does not need to be provided.

[0108] The signal terminal 600 can also not be provided, for example, in the fourth embodiment of the combination switch, even if the communication module 700 is added, other methods such as HPLC power carrier communication method can be used, and the signal terminal 600 does not need to be provided.

[0109] The sixteenth embodiment of the combination switch shown is different from the fourth embodiment in that Figure 4 and Figure 5 ​As shown, the shell 100 is provided with a containing cavity for containing the first incoming copper bar 410, the first outgoing copper bar 420, the second incoming copper bar 430, the second outgoing copper bar 440, the incoming slot 450 and the outgoing slot 460, the first mounting slot 111, the second mounting slot 112 and the third mounting slot 113 are located on one side of the containing cavity in the plug-in direction (i.e. the third direction) of the switch module, and the first mounting slot 111, the second mounting slot 112, the third mounting slot 113 and the containing cavity have a shared wall body 114 therebetween. The copper bars and the slots are arranged in separate containing cavities, which improves electrical safety, facilitates maintenance of the copper bars and the slots, and also facilitates automated installation.

[0110] As shown in Figure 4 The shared wall body 114 is provided with a first through hole 117 and a second through hole 118 which respectively communicate the containing cavity and the first mounting slot 111, and the first incoming copper bar 410 at least partially extends into the first mounting slot 111 through the first through hole 117, and the first outgoing copper bar 420 at least partially extends into the first mounting slot 111 through the second through hole 118.

[0111] As shown in Figure 5 The shell 100 is also provided with a first terminal cavity 123 which communicates with the containing cavity and corresponds to the incoming terminal 310, a second terminal cavity 124 which communicates with the containing cavity and corresponds to the outgoing terminal 320, and a third terminal cavity which communicates with the containing cavity and corresponds to the ground terminal 500, the first incoming copper bar 410 at least partially extends into the first terminal cavity 123 and is preferably directly connected to the incoming terminal 310, and the first outgoing copper bar 420 at least partially extends into the second terminal cavity 124 and is preferably directly connected to the outgoing terminal 320. Of course, the first incoming copper bar 410 and the incoming terminal 310, and the first outgoing copper bar 420 and the outgoing terminal 320 can also be indirectly electrically connected through other conductors.

[0112] As shown in Figure 5 and Figure 8 The shared wall body 114 is provided with at least two first limiting protrusions 115 and at least two second limiting protrusions 116, the first incoming copper bar 410 has a U-shaped structure, one side of the first incoming copper bar 410 extends into the first mounting slot 111, and the other side extends into the first terminal cavity 123, the bottom edge of the first incoming copper bar 410 abuts against the shared wall body 114 and is limited between the two first limiting protrusions 115, so that the first incoming copper bar 410 is stably mounted.

[0113] The first outgoing copper bar 420 is in U-shaped structure, one side of the first outgoing copper bar 420 extends into the first mounting groove 111, the other side of the first outgoing copper bar 420 extends into the second terminal cavity 124, the bottom of the first outgoing copper bar 420 abuts on the shared wall body 114 and is limited between the two second limiting protrusions 116, so that the first outgoing copper bar 420 is stably mounted. It should be noted that the incoming end of the first circuit breaker module 210 is a resilient clamping structure, which can be plug-connected with one side of the first incoming copper bar 410; the outgoing end of the first circuit breaker module 210 is a resilient clamping structure, which can be plug-connected with one side of the first outgoing copper bar 420.

[0114] As shown in Figure 8 , the incoming terminal 310 of the embodiment includes a first wiring frame 311 and a first wiring screw 312 arranged on the first wiring frame 311, the first wiring frame 311 extends in a direction away from the first wiring screw 312 and is provided with a first connecting part 313 directly connected with the first incoming copper bar 410, the other side of the first incoming copper bar 410 and the first connecting part 313 are connected in a second direction in a stacking manner, and the connection mode between the two is welding, riveting or other connection mode. The incoming terminal 310 of the embodiment is preferably an aluminum alloy terminal, and of course can also be a terminal made of other materials.

[0115] The outgoing terminal 320 of the embodiment includes a second wiring frame 321 and a second wiring screw 322 arranged on the second wiring frame 321, the second wiring frame 321 extends in a direction away from the second wiring screw 322 and is provided with a second connecting part 323 directly connected with the first outgoing copper bar 420, the second connecting part 323 and the other side of the first outgoing copper bar 420 are connected in a stacking manner, and the connection mode between the two is welding, riveting or other connection mode. The outgoing terminal 320 of the embodiment is preferably an aluminum alloy terminal, and of course can also be a terminal made of other materials.

[0116] As shown in Figure 4 , Figure 5 , and Figure 8 , the shared wall body 114 is provided with a third through hole 119 and a fourth through hole 120 penetrating through and respectively communicating with the accommodating cavity and the second mounting groove 112; the second incoming copper bar 430 is electrically connected with the incoming terminal 310 through the second soft connection 490. The second incoming copper bar 430 at least partially extends into the second mounting groove 112 through the third through hole 119, the part of the second incoming copper bar 430 located in the accommodating cavity is electrically connected with the incoming terminal 310; the second outgoing copper bar 440 at least partially extends into the second mounting groove 112 through the fourth through hole 120, the part of the second outgoing copper bar 440 located in the accommodating cavity is directly connected with the incoming slot 450. Of course, the second outgoing copper bar 440 and the incoming slot 450 can also be indirectly electrically connected through other conductors.

[0117] The second incoming copper bar 430 is preferably in L-shaped structure, and the part of the second incoming copper bar 430 located in the accommodating cavity is arranged in extension along the plug-in direction of the switch module, for plug-in connection with the incoming end of the second circuit breaker module 220 of the elastic clamp structure; the second outgoing copper bar 440 is preferably in L-shaped structure, and the part of the second outgoing copper bar 440 located in the accommodating cavity is arranged in extension along the plug-in direction of the switch module, for plug-in connection with the outgoing end of the second circuit breaker module 220 of the elastic clamp structure. The second flexible connection 490 generally comprises a conductive core and an insulator for wrapping the conductive core.

[0118] Preferably, the part of the second incoming copper bar 430 located in the accommodating cavity is provided with a first positioning hole 431, and the shared wall body 114 is provided with a first positioning protrusion 125 located in the accommodating cavity and matched with the first positioning hole 431, the part of the second incoming copper bar 430 located in the accommodating cavity is abutted against the shared wall body 114, and the first positioning hole 431 is sleeved on the first positioning protrusion 125. The first positioning protrusion 125 is matched with the first positioning hole 431, for installation and positioning of the second incoming copper bar 430.

[0119] Preferably, the part of the second outgoing copper bar 440 located in the accommodating cavity is provided with a second positioning hole 441, and the shared wall body 114 is provided with at least two third limiting protrusions 127 and a second positioning protrusion 126 matched with the second positioning hole 441, the part of the second outgoing copper bar 440 located in the accommodating cavity is abutted against the shared wall body 114 and limited between the two third limiting protrusions 127, and the second positioning hole 441 is sleeved on the second positioning protrusion 126. The second positioning protrusion 126 is matched with the second positioning hole 441, for installation and positioning of the second outgoing copper bar 440; the two third limiting protrusions 127 are used for limiting the second outgoing copper bar 440, improving the installation stability of the second outgoing copper bar 440, and avoiding deviation.

[0120] As shown in Figure 4 The shared wall body 114 is provided with a fifth through hole 121 and a sixth through hole 122 respectively communicating with the accommodating cavity and the third installation slot 113; the incoming slot 450 is arranged in correspondence with the fifth through hole 121, and the outgoing slot 460 is arranged in correspondence with the sixth through hole 122, and preferably the part of the second outgoing copper bar 440 located in the accommodating cavity is directly connected with the incoming slot 450.

[0121] As shown in Figure 5 and Figure 8As shown, the incoming line slot 450 is a resilient clamp structure, and the incoming line connecting portion 451 is arranged at the end of the incoming line slot 450 away from the incoming line slot 450 port and extends away from the outgoing line slot 460. The second outgoing line copper bar 440 is at least partially stacked and connected with the incoming line connecting portion 451 in the plug-in direction of the switch module, and the connection mode between the two is welding, riveting or the like. It should be noted that the incoming line end of the surge protector module 230 at least partially extends out of the shell of the surge protector module 230, and the incoming line end of the surge protector module 230 is a third incoming line bar plug 235, and the part extending out of the shell is a straight sheet structure, which is used for plug-in connection with the incoming line slot 450.

[0122] As shown, Figure 8 As shown, the electrical connection structure between the outgoing line slot 460 and the ground terminal 500 of the embodiment, the outgoing line slot 460 is a resilient clamp structure, and the outgoing line connecting portion 461 is arranged at the end of the outgoing line slot 460 away from the outgoing line slot 460 port and extends away from the incoming line slot 450. The outgoing line connecting portion 461 of all outgoing line slots 460 is connected with the bus bar 470, and the outgoing line connecting portion 461 and the bus bar 470 are stacked and connected in the plug-in direction of the switch module, and the connection mode between the two is welding, riveting or the like. The bus bar 470 is electrically connected with the ground terminal 500 through the first soft connection 480. The ground terminal 500 of the embodiment is preferably an aluminum alloy terminal, and of course can also be a terminal made of other materials.

[0123] It should be noted that the outgoing line end of the surge protector module 230 at least partially extends out of the shell of the surge protector module 230, and the outgoing line end of the surge protector module 230 is a third outgoing line bar plug 236, and the part extending out of the shell is a straight sheet structure, which is used for plug-in connection with the outgoing line slot 460. The first soft connection 480 usually includes a conductive core and an insulator for wrapping the conductive core. The resilient clamp structure usually includes a straight or arc-shaped connecting sheet and two clamping sheets symmetrically connected to the two sides of the connecting sheet, and the clamping sheets are arranged in a protruding manner towards each other. As other embodiments, the incoming line end and the outgoing line end of the surge protector module 230 can also be adjusted to be a resilient clamp structure located in the shell of the surge protector module 230, and the third incoming line bar plug 235 and the third outgoing line bar plug 236 are arranged in the third mounting slot 113 to replace the incoming line slot 450 and the outgoing line slot 460.

[0124] As shown, Figure 4 and Figure 5As shown, the shell 100 of the embodiment comprises a base 130 arranged along the plug-in direction of the switch module (i.e. the third direction) and a base 110, one side of the base 110 is provided with the first mounting groove 111, the second mounting groove 112 and the third mounting groove 113, and the base 130 covers the other side of the base 110 to form the accommodating cavity.

[0125] Preferably, the side of the base 130 away from the base 110 is provided with a clamping rail groove 131 for clamping with the clamping rail in the wiring box. The combined switch of the embodiment can be integrally installed into the wiring box.

[0126] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings or the orientation or positional relationship in use, and are only for the convenience of description, and do not indicate that the device or element referred to must have a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating relative importance.

[0127] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, a number of simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be regarded as falling within the protection scope of the utility model.

Claims

1. Combination switch comprising a housing (100), a switch module, a ground terminal (500) fixed in the housing (100) and at least one set of line terminals, each set of line terminals comprising an incoming line terminal (310) and an outgoing line terminal (320), characterized in that: The switch module is plug-in mounted in the shell (100), comprising a first circuit breaker module (210), a second circuit breaker module (220) and a surge protector module (230), the shell (100) is provided with a first installation slot (111), a second installation slot (112) and a third installation slot (113), the first circuit breaker module (210) is plug-in matched with the first installation slot (111), and when the first circuit breaker module (210) is inserted into the first installation slot (111), the incoming line end is electrically connected with the incoming line terminal (310), and the outgoing line end is electrically connected with the outgoing line terminal (320); the second circuit breaker module (220) is plug-in matched with the second installation slot (112), and when the second circuit breaker module (220) is inserted into the second installation slot (112), the incoming line end is electrically connected with the incoming line terminal (310); the surge protector module (230) is plug-in matched with the third installation slot (113), and when the surge protector module (230) is inserted into the third installation slot (113), the incoming line end is electrically connected with the outgoing line end of the second circuit breaker module (220) located in the second installation slot (112), and the outgoing line end is electrically connected with the ground terminal (500).

2. The combination switch of claim 1, wherein: The second installation slot (112) and the third installation slot (113) are located on one side of the first installation slot (111) in the first direction, the second installation slot (112) and the third installation slot (113) are sequentially arranged along the second direction, the incoming line terminal (310) and the outgoing line terminal (320) are oppositely arranged on both sides of the first installation slot (111) in the second direction, a plurality of the incoming line terminals (310) are arranged in a row along the first direction, a plurality of the outgoing line terminals (320) are arranged in a row along the first direction, and the first direction and the second direction are perpendicular to each other.

3. The combination switch of claim 2, wherein: The ground terminal (500) is located on the side of the incoming line terminal (310) or the outgoing line terminal (320) close to the second installation slot (112) and the third installation slot (113) in the first direction. Alternatively, the ground terminal (500) is located on the side of the incoming line terminal (310) or the outgoing line terminal (320) away from the second installation slot (112) and the third installation slot (113) in the first direction.

4. The combination switch of claim 2, wherein: The first circuit breaker module (210) comprises a plurality of first circuit poles (211) sequentially spliced along the first direction, the module number size of the first circuit pole (211) is 18mm or 27mm; the second circuit breaker module (220) comprises a plurality of second circuit poles (221) sequentially connected integrally or separately along the first direction, the module number size of the second circuit pole (221) is 13.5mm or 18mm; the surge protector module (230) comprises a plurality of surge protection poles (231) sequentially connected integrally or separately along the first direction, and the module number size of the surge protection pole (231) is 13.5mm or 18mm.

5. The combination switch of claim 1, wherein: The shell (100) is provided with a first incoming copper bar (410) and a first outgoing copper bar (420) extending into the first mounting groove (111), the first incoming copper bar (410) is electrically connected with the incoming terminal (310), and the first outgoing copper bar (420) is electrically connected with the outgoing terminal (320); The first circuit breaker module (210) includes a plurality of first circuit breaking poles (211) spliced side by side in sequence, one end of the first circuit breaking pole (211) is provided with a first handle (213), and each first circuit breaking pole (211) is provided with a first incoming plug hole and a first outgoing plug hole at an end away from the first handle (213), and the first incoming plug hole and the first outgoing plug hole are provided with elastic clamping structures for clamping the first incoming copper bar (410) and the first outgoing copper bar (420) respectively.

6. The combination switch of claim 1, wherein: The shell (100) is provided with a second incoming copper bar (430) and a second outgoing copper bar (440) extending into the second mounting groove (112), the second incoming copper bar (430) is electrically connected with the incoming terminal (310), and the second outgoing copper bar (440) is electrically connected with the incoming end of the surge protector module (230); The second circuit breaker module (220) is a backup protection circuit breaker, including a plurality of second circuit breaking poles (221) connected integrally or in parts, one end of the second circuit breaking pole (221) is provided with a second handle (223), and each second circuit breaking pole (221) is provided with a second incoming plug hole and a second outgoing plug hole at an end away from the second handle (223), and the second incoming plug hole and the second outgoing plug hole are provided with elastic clamping structures for clamping the second incoming copper bar (430) and the second outgoing copper bar (440) respectively.

7. The combination switch of claim 6, wherein: The side wall of the second mounting groove (112) provided along the first direction is provided with a plurality of first guide protrusions (128) protruding therefrom, and the plurality of first guide protrusions (128) are arranged at intervals along the first direction, and the second circuit breaking pole (221) is provided with a first guide groove (222) matched with the first guide protrusion (128).

8. The combination switch of claim 1, wherein: The shell (100) is provided with an incoming plug slot (450) and an outgoing plug slot (460) communicating with the third mounting groove (113), the incoming plug slot (450) is electrically connected with the outgoing end of the second circuit breaker module (220), and the outgoing plug slot (460) is electrically connected with the ground terminal (500); The surge protector module (230) includes a plurality of surge protection poles (231) connected integrally or in parts, one end of the surge protector module (230) is provided with an indication window (233) and a third pulling mechanism (234), each surge protection pole (231) is provided with a third incoming bar plug (235) and a third outgoing bar plug (236) extending out of the shell of the surge protector module at an end away from the indication window (233), the third incoming bar plug (235) is plug-in connected with the incoming plug slot (450), and the third outgoing bar plug (236) is plug-in connected with the outgoing plug slot (460).

9. The combination switch of claim 8, wherein: The third mounting groove (113) is provided with a plurality of second guide protrusions (129) on the side wall arranged in the first direction, the plurality of second guide protrusions (129) are arranged in the first direction at intervals, and the surge protection pole (231) is provided with a second guide groove (232) matched with the second guide protrusion (129).

10. The combination switch of claim 2, wherein: The communication module (700) is further included, and the communication module (700) is integrated in the control pole (212) of the first circuit breaker module (210).

11. The combination switch of claim 10, wherein: The shell (100) is provided with a first power supply interface (800) for providing power supply for the control pole (212), the first power supply interface (800) is in communication with the first mounting groove (111), and the first power supply interface (800) is arranged in correspondence with and electrically connected to the incoming line end or the outgoing line end of the control pole (212).

12. The combination switch of claim 2, wherein: The communication module (700) is further included, and the shell (100) is provided with a fourth mounting groove (140), the communication module (700) is plug-in matched with the fourth mounting groove (140), and the fourth mounting groove (140) is located between the first mounting groove (111) and the second mounting groove (112) and between the first mounting groove (111) and the third mounting groove (113) in the first direction. Alternatively, the fourth mounting groove (140) is located on the side of the first mounting groove (111) away from the second mounting groove (112) and the third mounting groove (113) in the first direction.

13. The combination switch of claim 12, wherein: The shell (100) is provided with a second power supply interface (810) for providing power supply for the communication module (700), and the second power supply interface (810) is in communication with the fourth mounting groove (140). And / or, the shell (100) is provided with a communication interface (820) for collecting signals of the first circuit breaker module (210), the communication interface (820) is in communication with the first mounting groove (111), and is arranged in correspondence with the incoming line end or the outgoing line end of the control pole (212) of the first circuit breaker module (210).

14. The combination switch of claim 12, wherein: The communication module (700) is sequentially connected with the first circuit breaker module (210) in the first direction in an integrated or separate manner, and the fourth mounting groove (140) is in communication with the first mounting groove (111).

15. The combination switch of any of claims 2, 3, 10-14, wherein: The shell (100) is further provided with a signal terminal (600), and the signal terminal (600) is electrically connected with at least one of the surge protector module (230), the first circuit breaker module (210) and the communication module (700); and the first circuit breaker module (210) comprises a control pole (212) for electrical connection with the signal terminal (600).

16. The combination switch of claim 15, wherein: The signal terminal (600) is arranged opposite to the ground terminal (500) and located on two sides of the control pole (212) in the second direction.

17. The combination switch of claim 15, wherein: The fourth mounting groove (140) of the shell (100) has a size in the second direction equal to or smaller than a size of the first mounting groove (111) in the second direction, and the signal terminal (600) is arranged opposite to the ground terminal (500) and located on two sides of the fourth mounting groove (140) or the control pole (212) in the second direction. Or, the fourth installation slot (140) in the second direction is greater than the size of the first installation slot (111) in the second direction, the signal terminal (600) is arranged opposite to the ground terminal (500), and is located on both sides of the control electrode (212) in the second direction, respectively.

18. The combination switch of claim 1, wherein: The shell (100) is provided with a containing cavity, the first installation slot (111), the second installation slot (112) and the third installation slot (113) are located on one side of the containing cavity, the first installation slot (111), the second installation slot (112), the third installation slot (113) and the containing cavity have a shared wall body (114) therebetween, the containing cavity is provided with a first incoming copper bar (410), a first outgoing copper bar (420), a second incoming copper bar (430), a second outgoing copper bar (440), an incoming slot (450) and an outgoing slot (460); the first incoming copper bar (410) is electrically connected with the incoming terminal (310) and extends into the first installation slot (111); the first outgoing copper bar (420) is electrically connected with the outgoing terminal (320) and extends into the first installation slot (111); the second incoming copper bar (430) is electrically connected with the incoming terminal (310) and extends into the second installation slot (112), and the second outgoing copper bar (440) extends into the second installation slot (112); the incoming slot (450) is electrically connected with the second outgoing copper bar (440) and communicates with the third installation slot (113); the outgoing slot (460) is electrically connected with the ground terminal (500) and communicates with the third installation slot (113).

19. The combination switch of claim 18, wherein: The shell (100) comprises a base (130) and a base (110), the base (110) is provided with the first installation slot (111), the second installation slot (112) and the third installation slot (113) on one side, and the base (130) covers the other side of the base (110) to form the containing cavity.

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