Convenient low-voltage household junction box

Abstract

The utility model belongs to the field of power equipment, and relates to a convenient low-voltage household junction box which has the advantages of convenient wiring and high safety coefficient. According to the technical scheme, the device comprises a box body, a circuit breaker, a first wiring busbar and a second wiring busbar. Wherein the box body is provided with a first wiring terminal and a second wiring terminal. The circuit breaker is arranged in the box body, and the first wiring terminal is electrically connected with the input end of the circuit breaker. The output end of the circuit breaker is electrically connected with the first wiring busbar, and at least part of the first wiring busbar is horizontally arranged. The second wiring busbar is electrically connected with the second wiring terminal, at least part of the second wiring busbar is horizontally arranged, and the horizontally arranged part of the first wiring busbar and the horizontally arranged part of the second wiring busbar are sequentially arranged from top to bottom; and meanwhile, the horizontal arrangement part of the first wiring busbar and the horizontal arrangement part of the second wiring busbar are sequentially arranged from front to back.

Description

Technical Field

[0001] The utility model belongs to the field of power equipment and relates to a convenient low-voltage household wiring box. Background Art

[0002] In high-voltage wiring, a low-voltage household wiring box is commonly used to electrically connect the main line to multiple electricity-consuming units.

[0003] In the current technology, when low-voltage electricity needs to transmit power from the main line to multiple branch lines, the method of manual wiring is mostly adopted, that is, an electrician connects multiple branch circuits to the main line circuit and winds insulating tape externally. The operation efficiency is low and the potential safety hazard is high.

[0004] The wiring busbars in some wiring boxes are arranged vertically or horizontally, generally in the same plane, resulting in mutual interference of the branch lines led out from the wiring box. Specifically, the branch line connected to the A-phase wiring busbar may touch the neutral line. If the branch line has line aging or burnout, it will cause a short circuit. To avoid such situations, electricians need to tie the branch lines on site, but there is still the situation of tying-off falling off, there are certain safety hazards, it is not convenient for electricians to wire, and it may also cause short circuits during the wiring process. Summary of the Utility Model

[0005] To overcome the defects in the above-mentioned related technologies, the utility model provides a convenient low-voltage household wiring box, which has the advantages of convenient wiring and high safety factor.

[0006] To achieve the above technical purpose, the utility model provides a convenient low-voltage household wiring box. The convenient low-voltage household wiring box includes: a box body, a circuit breaker, a first wiring busbar, and a second wiring busbar. Among them, a first wiring terminal and a second wiring terminal are arranged on the box body. The circuit breaker is arranged in the box body, and the first wiring terminal is electrically connected to the input end of the circuit breaker. The output end of the circuit breaker is electrically connected to the first wiring busbar, and at least part of the first wiring busbar is arranged horizontally. The second wiring busbar is electrically connected to the second wiring terminal, at least part of the second wiring busbar is arranged horizontally, and the horizontally arranged part of the second wiring busbar and the horizontally arranged part of the first wiring busbar are arranged in sequence from top to bottom, and at the same time, the horizontally arranged part of the first wiring busbar and the horizontally arranged part of the second wiring busbar are arranged in sequence from front to back.

[0007] Preferably, the first wiring terminal includes: an A-phase wiring terminal, a B-phase wiring terminal, and a C-phase wiring terminal, and the A-phase wiring terminal, the B-phase wiring terminal, and the C-phase wiring terminal are electrically connected to multiple input ends on the circuit breaker in one-to-one correspondence.

[0008] The first connection busbar includes: an A-phase connection busbar, a B-phase connection busbar, and a C-phase connection busbar. The horizontally arranged part of the second connection busbar, the horizontally arranged part of the A-phase connection busbar, the horizontally arranged part of the B-phase connection busbar, and the horizontally arranged part of the C-phase connection busbar are arranged in sequence from top to bottom. At the same time, the horizontally arranged part of the A-phase connection busbar, the horizontally arranged part of the B-phase connection busbar, the horizontally arranged part of the C-phase connection busbar, and the horizontally arranged part of the second connection busbar are arranged in sequence from front to back.

[0009] Preferably, the box body includes: a main body and a cover body. The main body includes: a back plate, a top plate, a bottom plate, and side plates. The back plate is arranged vertically. The top plate, the bottom plate, and the side plates are fixedly connected to the corresponding edges of the back plate, and the side plates are arranged vertically. The cover body includes: a front cover plate and side cover plates. The front cover plate and the side cover plates are fixedly connected. The front cover plate is hinged to the side plates. When the front cover plate is parallel to the back plate, the side cover plates are parallel to the side plates. The front cover plate, the side cover plates, the back plate, the top plate, the bottom plate, and the side plates form a closed box body. The convenient low-voltage household connection box further includes insulating plates. At least four insulating plates are arranged vertically, and at least four insulating plates are relatively fixed. Each insulating plate is provided with a groove adapted to the corresponding first connection busbar or second connection busbar.

[0010] Preferably, the box body includes: an incoming line space, an equipment space, and a busbar space. The incoming line space is arranged inside the box body. The first connection terminal and the second connection terminal extend into the incoming line space. The equipment space is arranged inside the box body. The connection busbar between the first connection terminal and the circuit breaker extends from the incoming line space to the equipment space. The circuit breaker is arranged in the equipment space. The busbar space is arranged inside the box body. The first connection busbar extends from the equipment space to the busbar space. The second connection busbar extends from the incoming line space to the busbar space. The insulating plates are arranged in the busbar space.

[0011] Preferably, four rows of wire tying racks are further arranged in the busbar space. Each wire tying rack overlaps with the positive projection on the horizontal plane of the corresponding first connection busbar or second connection busbar. A wire outlet hole is arranged on the bottom plate below the busbar space under each wire tying rack.

[0012] Preferably, the convenient low-voltage household connection box further includes a high-voltage grounding wire. Both the first connection terminal and the second connection terminal are connected to the high-voltage grounding wire.

[0013] The beneficial effects of the present utility model are as follows:

[0014] The utility model adopts a first wiring terminal and a second wiring terminal, which are arranged staggeredly in the vertical direction and the front-back direction. On the one hand, it is convenient for electricians to connect wires; on the other hand, the cables electrically connected to the same wiring terminal are in the same vertical plane, reducing the risk of short circuit between the first wiring terminals or between the first wiring terminal and the second wiring terminal.

[0015] The utility model adopts an insulating board, which can further insulate and separate multiple first wiring terminals and second wiring terminals, improving its safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the related art, the following will briefly introduce the drawings required for use in the description of the embodiments or the related art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is the first structural diagram of the present utility model;

[0018] Figure 2 It is the first side structural diagram in the busbar space of the present utility model;

[0019] Figure 3 It is the second structural diagram of the present utility model;

[0020] Figure 4 It is the second side structural diagram in the busbar space of the present utility model;

[0021] Figure 5 It is the third structural diagram of the present utility model;

[0022] Figure 6 It is the third side structural diagram in the busbar space of the present utility model;

[0023] Figure 7 It is the fourth structural diagram of the present utility model;

[0024] Figure 8 It is the fourth side structural diagram in the busbar space of the present utility model;

[0025] Figure 9 It is the fifth structural diagram of the present utility model;

[0026] Figure 10 It is the fifth side structural diagram in the busbar space of the present utility model;

[0027] Figure 11 It is the structural diagram of the box body of the present utility model. Detailed implementation manners

[0028] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0031] Some embodiments of the present utility model provide a convenient low-voltage household wiring box. The convenient low-voltage household wiring box includes: a box body 1, a circuit breaker 2, a first wiring busbar 3, and a second wiring busbar 4. Among them, a first wiring terminal 5 and a second wiring terminal 6 are provided on the box body 1. The circuit breaker 2 is disposed inside the box body 1, and the first wiring terminal 5 is electrically connected to the input end of the circuit breaker 2. The output end of the circuit breaker 2 is electrically connected to the first wiring busbar 3, and at least a part of the first wiring busbar 3 is horizontally disposed. The second wiring busbar 4 is electrically connected to the second wiring terminal 6, and at least a part of the second wiring busbar 4 is horizontally disposed, and the horizontally disposed part of the second wiring busbar and the horizontally disposed part of the first wiring busbar are arranged in sequence from top to bottom, and at the same time, the horizontally disposed part of the first wiring busbar 3 and the horizontally disposed part of the second wiring busbar 4 are arranged in sequence from front to back.

[0032] In some examples, such as Figure 1 and Figure 2As shown in the figure, the described convenient low-voltage household wiring box can be a household wiring box for single-phase electricity. The household wiring box for single-phase electricity includes a first wiring busbar 3 and a second wiring busbar 4. Correspondingly, a first wiring terminal 5 and a second wiring terminal 6 are provided on the box body 1. The first wiring terminal 5 is electrically connected to the live wire of the power grid, and the second wiring terminal 6 is electrically connected to the neutral wire of the power grid. The input end of the circuit breaker 2 is also electrically connected to the part of the first wiring terminal 5 inside the box body 1. The output end of the circuit breaker 2 is electrically connected to the first wiring busbar 3. The second wiring busbar 4 is electrically connected to the part of the second wiring terminal 6 inside the box body 1.

[0033] For the convenience of electricians to wire, part of the position of the first wiring busbar 3 is arranged horizontally, and another part of the position of the first wiring busbar 3 is arranged vertically. Another part of the first wiring busbar 3 is used for electrically connecting to the output end of the circuit breaker 2. Part of the position of the second wiring busbar 4 is arranged horizontally, and another part of the position of the second wiring busbar 4 is arranged vertically. Another part of the second wiring busbar 4 is used for electrically connecting to the second wiring terminal 6.

[0034] Part of the position of the first wiring busbar 3 is higher than part of the position of the second wiring busbar 4, and part of the position of the first wiring busbar 3 is in front of part of the position of the second wiring busbar 4. That is, when an electrician wires, part of the position of the first wiring busbar 3 is closer to the electrician than part of the position of the second wiring busbar 4. In the vertical direction, the distance between part of the position of the first wiring busbar 3 and part of the position of the second wiring busbar 4 can be 5 cm to 10 cm. In the horizontal direction, the distance between part of the position of the first wiring busbar 3 and part of the position of the second wiring busbar 4 can be 3 cm to 5 cm. Arranging the first wiring busbar 3 and the second wiring busbar 4 in a staggered manner can facilitate electricians to wire and can reduce the short-circuiting of the first wiring busbar 3 and the second wiring busbar 4 by branch lines, improving the safety factor.

[0035] In some embodiments, as Figure 3 and Figure 4 shown, the first wiring terminal 5 includes: an A-phase wiring terminal, a B-phase wiring terminal, and a C-phase wiring terminal. The A-phase wiring terminal, the B-phase wiring terminal, and the C-phase wiring terminal are electrically connected to multiple input ends on the circuit breaker 2 in a one-to-one correspondence.

[0036] The first wiring busbar 3 includes: an A-phase wiring busbar, a B-phase wiring busbar, and a C-phase wiring busbar. The horizontally arranged part of the second wiring busbar, the horizontally arranged part of the A-phase wiring busbar, the horizontally arranged part of the B-phase wiring busbar, and the horizontally arranged part of the C-phase wiring busbar are arranged in sequence from top to bottom. At the same time, the horizontally arranged part of the A-phase wiring busbar, the horizontally arranged part of the B-phase wiring busbar, the horizontally arranged part of the C-phase wiring busbar, and the horizontally arranged part of the second wiring busbar 4 are arranged in sequence from front to back.

[0037] In some examples, the described convenient low-voltage household wiring box can be a three-phase household wiring box. The three-phase household wiring box includes three first wiring busbars 3 and one second wiring busbar 4. The three first wiring busbars 3 are respectively: an A-phase wiring busbar, a B-phase wiring busbar, and a C-phase wiring busbar.

[0038] Part of the positions of the A-phase wiring busbar, part of the positions of the B-phase wiring busbar, part of the positions of the C-phase wiring busbar, and part of the position of the second wiring busbar 4 are horizontally arranged. It can be understood that the part of the position of the A-phase wiring busbar, the part of the position of the B-phase wiring busbar, the part of the position of the C-phase wiring busbar, and the part of the position of the second wiring busbar 4 can be arranged horizontally in sequence from top to bottom; at the same time, the part of the position of the A-phase wiring busbar, the part of the position of the B-phase wiring busbar, the part of the position of the C-phase wiring busbar, and the part of the position of the second wiring busbar 4 can be arranged horizontally in sequence from front to back. In the vertical direction, the distance between adjacent two wiring busbars among the part of the positions of the A-phase wiring busbar, the part of the positions of the B-phase wiring busbar, the part of the positions of the C-phase wiring busbar, and the part of the position of the second wiring busbar 4 can be 5 cm to 10 cm. In the horizontal direction, the distance between adjacent two wiring busbars among the part of the positions of the A-phase wiring busbar, the part of the positions of the B-phase wiring busbar, the part of the positions of the C-phase wiring busbar, and the part of the position of the second wiring busbar 4 can be 3 cm to 5 cm.

[0039] In some embodiments, as Figure 11 shown, the box body 1 includes: a main body 11 and a cover body 12. The main body 11 includes: a back plate, a top plate, a bottom plate, and side plates. The back plate is vertically arranged. The top plate, the bottom plate, and the side plates are fixedly connected to the corresponding edges of the back plate, and the side plates are vertically arranged. The cover body 12 includes: a front cover plate and side cover plates. The front cover plate and the side cover plates are fixedly connected. The front cover plate is hinged to the side plates. When the front cover plate is parallel to the back plate, the side cover plates are parallel to the side plates. The front cover plate, the side cover plates, the back plate, the top plate, the bottom plate, and the side plates form a closed box body 1. The convenient low-voltage household wiring box further includes insulating plates 7. At least four insulating plates 7 are vertically arranged and relatively fixed. Each insulating plate 7 is provided with a groove adapted to the corresponding first wiring busbar 3 or second wiring busbar 4.

[0040] In some examples, the main body 11 of the box body 1 can include: a back plate, a top plate, a bottom plate, and side plates. The back plate, the top plate, the bottom plate, and the side plates are all plate members. The back plate is fixedly connected to the top plate, the bottom plate, and the side plates and is perpendicular to them. Among them, the top plate and the bottom plate are parallel, that is, the main body 11 is a box body missing two mutually perpendicular faces.

[0041] The cover body 12 includes: a front cover plate and side cover plates. Both the front cover plate and the side cover plates are plate members. The front cover plate and the side cover plates are perpendicular to each other and fixedly connected. The front cover plate is also hinged to the side plate. The box body 1 structure in this application can facilitate electricians to open the box body 1 with a wider opening, facilitating on-site wiring and having a larger operating space.

[0042] As Figure 5 and Figure 6 shown, the convenient low-voltage household wiring box further includes an insulating plate 7. For example, when the convenient low-voltage household wiring box is a single-phase power household wiring box, there are two insulating plates 7. A first single-phase insulating plate is provided between some positions of the first wiring busbar 3 and some positions of the second wiring busbar 4. A groove is horizontally provided on the first single-phase insulating plate, and some positions of the first wiring busbar 3 can be inserted into the groove on the first single-phase insulating plate; a second single-phase insulating plate is provided between some positions of the second wiring busbar 4 and the back plate. A groove is horizontally provided on the second single-phase insulating plate, and some positions of the second wiring busbar 4 can be inserted into the groove on the second single-phase insulating plate. During wiring, the branch line electrically connected to some positions of the first wiring busbar 3 is between the first single-phase insulating plate and the front cover plate, and the branch line electrically connected to some positions of the second wiring busbar 4 is between the second single-phase insulating plate and the back plate, which can prevent the branch line from short-circuiting the first wiring busbar 3 and the second wiring busbar 4.

[0043] Or, as Figure 7 and Figure 8 shown, when the convenient low-voltage household wiring box is a three-phase power household wiring box, there are four insulating plates 7. A first three-phase insulating plate is provided between some positions of the A-phase wiring busbar and some positions of the B-phase wiring busbar. A second three-phase insulating plate is provided between some positions of the B-phase wiring busbar and some positions of the C-phase wiring busbar. A third three-phase insulating plate is provided between some positions of the C-phase wiring busbar and some positions of the second wiring busbar 4. A fourth three-phase insulating plate is provided between some positions of the second wiring busbar 4 and the back plate. Grooves are horizontally provided on the first three-phase insulating plate, the second three-phase insulating plate, the third three-phase insulating plate, and the fourth three-phase insulating plate. That is, the A-phase wiring busbar can be inserted into the groove on the first three-phase insulating plate, the B-phase wiring busbar can be inserted into the groove on the second three-phase insulating plate, the C-phase wiring busbar can be inserted into the groove on the third three-phase insulating plate, and some positions of the second wiring busbar 4 can be inserted into the groove on the fourth three-phase insulating plate. The insulating plate 7 can prevent the branch line from short-circuiting between the A-phase wiring busbar, the B-phase wiring busbar, the C-phase wiring busbar, and the second wiring busbar 4.

[0044] In some embodiments, the box body 1 includes: an incoming line space 13, an equipment space 14, and a busbar space 15. The incoming line space 13 is arranged inside the box body 1, and the first connection terminal 5 and the second connection terminal 6 extend into the incoming line space 13. The equipment space 14 is arranged inside the box body 1, and the busbar between the first connection terminal 5 and the circuit breaker 2 extends from the incoming line space 13 to the equipment space 14, and the circuit breaker 2 is arranged in the equipment space 14. The busbar space 15 is arranged inside the box body 1, the first connection busbar 3 extends from the equipment space 14 to the busbar space 15, the second connection busbar 4 extends from the incoming line space 13 to the busbar space 15, and the insulating plate 7 is arranged in the busbar space 15.

[0045] Exemplarily, the incoming line space 13 can be located below the top plate, which is convenient for the first connection terminal 5 and the second connection terminal 6 to be installed on the top plate and extend into the incoming line space 13. The busbar space 15 is arranged below the incoming line space 13, and the equipment space 14 is arranged on the side of the busbar space 15 and the incoming line space 13. The arrangement of multiple spaces can isolate sparks, fire, etc. when short - circuit and other accidents occur, preventing the further expansion of disasters.

[0046] In addition, corresponding chutes are arranged on the top wall above and the bottom wall below the busbar space 15, and the insulating plate 7 is inserted into the chutes at the same time, improving the stability of the insulating plate 7.

[0047] In some embodiments, such as Figure 9 and Figure 10 shown, four rows of wire - binding frames 8 are further arranged in the busbar space 15, and the positive projection of each wire - binding frame 8 on the horizontal plane overlaps with a corresponding first connection busbar 3 or second connection busbar. Outlet holes are arranged on the bottom plate below the busbar space 15 under each wire - binding frame 8.

[0048] Exemplarily, each row of wire - binding frames 8 can be fixed on the corresponding insulating plate 7. The branch lines electrically connected from partial positions of the first connection busbar 3 or partial positions of the second connection busbar 4 extend downward along the corresponding insulating plate 7 and are tied to the corresponding wire - binding frames 8, which can improve the stability, neatness and beauty of the branch lines, ensure uniform heat dissipation of the branch lines, and overall improve the safety factor. The specific structure of the wire - binding frame 8 belongs to the conventional design in the art, and the specific structure of the wire - binding frame 8 will not be elaborated here.

[0049] In some embodiments, the convenient low - voltage household connection box further includes a high - voltage ground wire, and both the first connection terminal 5 and the second connection terminal 6 are connected to the high - voltage ground wire.

[0050] Generally, a high-voltage grounding wire is provided at the terminal outside the low-voltage household wiring box to prevent the high-voltage electricity of the power grid from damaging the low-voltage household wiring box and the equipment at the next level of the low-voltage household wiring box during a short circuit. The type and wiring method of the high-voltage grounding wire of the present utility model are the same as those of the prior art and will not be elaborated herein.

[0051] In the description of this specification, specific features, structures, materials, or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0052] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A convenient low-voltage household junction box, characterized in that: include: A box body, wherein the box body is provided with a first wiring terminal and a second wiring terminal; A circuit breaker, wherein the circuit breaker is disposed in the box, and the first wiring terminal is electrically connected to an input end of the circuit breaker; A first busbar, to which the output end of the circuit breaker is electrically connected, and at least a portion of the first busbar is arranged horizontally; A second busbar, the second busbar is electrically connected to the second terminal, at least a portion of the second busbar is horizontally arranged, and the horizontally arranged portion of the second busbar and the horizontally arranged portion of the first busbar are arranged in sequence from top to bottom, and at the same time, the horizontally arranged portion of the first busbar and the horizontally arranged portion of the second busbar are arranged in sequence from front to back.

2. The portable low-voltage household junction box according to claim 1 is characterized in that: The first wiring terminal comprises: an A-phase wiring terminal, a B-phase wiring terminal and a C-phase wiring terminal, wherein the A-phase wiring terminal, the B-phase wiring terminal and the C-phase wiring terminal are electrically connected to a plurality of input terminals on the circuit breaker in a one-to-one correspondence; The first wiring busbar includes: an A-phase wiring busbar, a B-phase wiring busbar and a C-phase wiring busbar, and the horizontal setting part of the second wiring busbar, the horizontal setting part of the A-phase wiring busbar, the horizontal setting part of the B-phase wiring busbar, and the horizontal setting part of the C-phase wiring busbar are arranged in sequence from top to bottom, and the horizontal setting part of the A-phase wiring busbar, the horizontal setting part of the B-phase wiring busbar, the horizontal setting part of the C-phase wiring busbar and the horizontal setting part of the second wiring busbar are arranged in sequence from front to back.

3. The portable low-voltage household junction box according to claim 2 is characterized in that: The box body comprises: a body and a cover body; The body comprises: a back plate, a top plate, a bottom plate and side plates, the back plate is arranged vertically, the top plate, the bottom plate and the side plates are fixedly connected to the corresponding edges of the back plate, and the side plates are arranged vertically; The cover body comprises: a front cover plate and a side cover plate, the front cover plate and the side cover plate are fixedly connected, the front cover plate and the side plate are hinged, when the front cover plate is parallel to the back plate, the side cover plate is parallel to the side plate, and the front cover plate, the side cover plate, the back plate, the top plate, the bottom plate and the side plate form a closed box body; The convenient low-voltage household junction box also includes insulating plates, at least four of which are vertically arranged and relatively fixed, and each insulating plate is provided with a groove adapted to the corresponding first busbar or second busbar.

4. The portable low-voltage household junction box according to claim 3 is characterized in that: The box body comprises: A line inlet space, the line inlet space being arranged in the box, the first wiring terminal and the second wiring terminal extending into the line inlet space; An equipment space, wherein the equipment space is arranged in the box, a wiring block between the first wiring terminal and the circuit breaker extends from the incoming line space to the equipment space, and the circuit breaker is arranged in the equipment space; A busbar space, wherein the busbar space is arranged in the box, the first busbar is extended from the equipment space to the busbar space, the second busbar is extended from the incoming line space to the busbar space, and the insulating plate is arranged in the busbar space.

5. The convenient low-voltage household junction box according to claim 4 is characterized in that: Four rows of wire binding racks are also arranged in the busbar space, and each wire binding rack overlaps with the orthographic projection of a corresponding first wiring busbar or second wiring busbar on a horizontal plane; A cable outlet hole is provided on the bottom plate below the busbar space below each cable binding rack.

6. The convenient low-voltage household junction box according to claim 5 is characterized in that: The convenient low-voltage household junction box also includes a high-voltage grounding wire, and the first wiring terminal and the second wiring terminal are both connected to the high-voltage grounding wire.

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