Electric meter box with tandem module

Abstract

The utility model discloses an electric meter box with a tandem module, belongs to the field of electric meter boxes, and solves the problem that respective tandem power bars of a zero line and a ground wire are not beneficial to common transportation and common installation in the prior art, and the technical scheme for solving the problem is mainly the electric meter box with the tandem module. Comprising a box body, a guide rail installed on the box body and a box core assembly installed on the guide rail, the guide rail is further provided with a tandem module, the tandem module comprises a tandem electric bar and a shell wrapping the tandem electric bar, the shell is installed on the guide rail, the shell is provided with an input port and a plurality of output terminals, the input port and the output terminals are connected with the tandem electric bar, and the box core assembly is installed on the guide rail. The input port is connected with a bus, and the other output terminals output branch lines. According to the invention, the respective tandem electric bars of the zero line and the ground line can be conveniently installed on the original guide rail.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of meter box, in particular to a meter box with a junction module. BACKGROUND

[0002] The current mainstream design method in the industry is to select the corresponding leakage circuit breaker according to the electrical design schematic and connect it through wires, and a zero line busbar and a ground line busbar are additionally arranged in the box body for the convergence of zero line and ground line. In actual engineering cases, the shell of the complete equipment and the distribution box core assembly often need to be sent to the construction site separately, and the time interval is large (the bottom shell is sent first for wire pre-burial, and the box core assembly is sent for wire installation on site after one to two years). Moreover, the circuit breaker / leakage circuit breaker in the box core has a wire pre-connection, which is not conducive to packaging during delivery and the wire is prone to deformation during transportation. The compression connection between the wire and the components is loose or even disconnected, which can easily cause the installer to misjudge (thinking that it is compressed) and not to compress again, resulting in excessive contact resistance between the wire and the components due to insufficient pre-tightening force, and causing safety accidents. In addition, in actual engineering, the zero line busbar and the ground line busbar are often sent together with the box core, but they cannot be packaged together with the box core, so that they are often missing or lost, causing unnecessary economic losses. SUMMARY

[0003] In order to overcome the shortcomings of the prior art that the zero line busbar and the ground line busbar are not conducive to common transportation and common installation, the present application provides a meter box with a junction module, which realizes convenient installation of the zero line busbar and the ground line busbar on the original guide rail.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a meter box with a junction module, comprising a box body, a guide rail mounted on the box body, and a box core assembly mounted on the guide rail, wherein the junction module is also mounted on the guide rail, the junction module comprises a junction busbar and a shell wrapping the junction busbar, the shell is mounted on the guide rail, and the shell is provided with one input port and a plurality of output terminals electrically connected with the junction busbar, so that the input port is connected with the bus line and the remaining output terminals output branch lines.

[0005] After adopting the above technical solution, the present application has the following advantages: by designing a shell for the zero line busbar and the ground line busbar, they can be installed together with the box core assembly on the guide rail, which can reduce the leakage of the zero line busbar and the ground line busbar on one hand, and can also facilitate the installation of the junction module, which only needs to be installed together with the box core assembly, improving the installation efficiency. On the other hand, the shell of the junction module is designed to be able to be installed together with the box core assembly, which can realize the complete packaging of the junction module and the box core assembly, avoiding the phenomenon of missing or loss.

[0006] Furthermore, the core assembly and the junction module are installed side by side, and the core assembly and the junction module are in close contact.

[0007] Using the aforementioned technical solution, the core assembly and the junction module are installed side-by-side and tightly fitted together, resulting in a more compact internal structure of the meter box. Within the limited box space, this layout effectively reduces gaps and redundant space between components, improving space utilization. Furthermore, because the core assembly and junction module are tightly fitted together and mounted on the same guide rail, they form a mutually supporting structural relationship. When the meter box is subjected to external vibrations or impacts, such as the bumps of vehicles during transportation or vibrations generated by large machinery operations near construction sites, this mutually supporting structure effectively reduces the swaying amplitude of individual components.

[0008] Furthermore, the bottom of the housing is provided with a slot for mounting on a guide rail. The width of the slot is greater than the width of the guide rail. A retaining plate extending to the slot is detachably connected to the housing so that the retaining plate and the slot clamp the guide rail.

[0009] The aforementioned technical solution provides a simple and direct way to install the junction module by using the slot at the bottom of the housing to cooperate with the guide rail. Installers only need to align the housing slot with the guide rail, place it initially, and then use the detachable clamping plate that extends from the housing to the slot to hold the guide rail in place, thus securing the junction module. This installation method requires no complicated tools or excessive steps, and can be completed quickly and accurately even in relatively complex on-site environments, greatly improving installation efficiency.

[0010] Furthermore, the card plate is provided with multiple locking parts, and the housing is provided with buckles for abutting the locking parts. The buckles and / or locking parts have elastic properties so that one or both of the buckles and single-segment locking parts deform when they abut, so that the card plate is engaged or unlocked.

[0011] The technical scheme is adopted, the cooperation of the multiple clamping parts and the buckles can adapt to the size changes of the guide rails or the size changes of the shell of the junction module, when the junction module is installed, the multiple clamping parts cooperate with the buckles with the resilience, the installer only needs to push the clamping plate towards the shell, so that the clamping parts contact the buckles, due to the resilience of the buckles or the clamping parts, the clamping parts will be deformed during the abutment with the buckles, so that the clamping parts are smoothly buckled into the buckles, the clamping plate and the shell clamp and fix the guide rail, when the junction module needs to be maintained, replaced or overhauled, the disassembly process is also simple. Only the appropriate external force is applied to the clamping plate, so that the relative displacement between the clamping parts and the buckles is generated, due to the resilience, the buckles or the clamping parts will be deformed again, so that the clamping parts are unlocked from the buckles, and then the clamping plate can be easily removed, and the junction module can be disassembled from the guide rail. The convenient disassembly mode is helpful for quickly positioning and solving the problems that may occur in the junction module, reduces the equipment downtime, and improves the maintenance efficiency.

[0012] Further, the cross section of the guide rail is inverted trapezoidal, the end of the clamping plate close to the guide rail is adapted to the trapezoidal side of the guide rail, and the front side or the rear side of the clamping groove is adapted to the trapezoidal side of the guide rail, so that the clamping groove on the front side or the rear side clamps the guide rail with the clamping plate on the other side.

[0013] The technical scheme is adopted, the cross section of the guide rail is inverted trapezoidal, the end of the clamping plate and the corresponding side of the clamping groove are designed to be adapted to the trapezoidal shape, so that the clamping plate and the clamping groove can be closely fitted when clamping the guide rail, effectively preventing the displacement of the guide rail in the horizontal and vertical directions. Compared with other shapes of guide rails and clamping structures, the trapezoidal design greatly improves the installation stability of the junction module on the guide rail, ensures that the junction module can be firmly fixed at the predetermined position during the operation of the electric meter box, even if affected by external forces such as vibration and impact, and guarantees the reliability of the zero and ground wire junction power supply connection.

[0014] Further, the input port is arranged on the rear part of the shell, and a pressing member for pressing the input terminal is arranged on the shell above the input port.

[0015] The technical scheme is adopted, when the connection operation of the input terminal and the bus is performed, the bus is connected to the input port first, and then the pressing member is used for fixing. This installation method is relatively simple and direct, and does not need too many complex auxiliary tools or tedious operation steps. When the input terminal needs to be checked, repaired or replaced in the later period, the pressing member can be loosened, so that the input terminal can be conveniently operated, the convenience of installation and maintenance is improved, the maintenance time and labor cost are reduced, which is helpful to improve the maintenance efficiency of the entire electric meter box and ensure the continuous and stable operation of the power system.

[0016] Further, the rear part of the shell is provided with a clamping groove for mounting on the guide rail, the width of the clamping groove is greater than the width of the guide rail, and a clamping plate extending to the clamping groove is detachably connected to the shell, so that the clamping plate and the clamping groove can clamp the guide rail.

[0017] With the foregoing technical scheme, the clamping groove at the rear part of the shell cooperates with the guide rail, and when mounting, the shell clamping groove only needs to be aligned with the guide rail and placed, and then the clamping plate is mounted, so that the clamping plate and the clamping groove can clamp the guide rail, which is simple and convenient to operate, does not require complex tools and cumbersome steps, can greatly improve the installation efficiency of the junction module on the guide rail, saves installation time, and is particularly suitable for batch installation operation, effectively improving the overall assembly speed of the electric meter box.

[0018] Further, the output terminals are arranged in a stepped manner and are inclined upward.

[0019] With the foregoing technical scheme, the output terminals are arranged in a stepped manner, which forms a staggered structure in the vertical direction, and compared with linearly arranged terminals, the limited space can be more effectively utilized. Since the terminals are inclined upward, when connecting branch lines, the hands and tools of the operator can more conveniently access the terminals to perform connection operations such as plugging and tightening, without the need to excessively bend or twist the body, thereby improving the comfort and convenience of the operation, and especially in large-scale electric meter box assembly or scenarios requiring frequent connection operations, the working efficiency can be significantly improved.

[0020] Further, the output terminals of the junction module and the output terminals of the box core assembly are oriented in the same direction.

[0021] With the foregoing technical scheme, when the output terminals of the junction module and the box core assembly are oriented in the same direction, the wiring direction can be kept consistent when connecting external lines. This allows the wires leading from each output terminal to be laid and arranged in the same general direction, making it easier to plan a neat and orderly wiring path, avoiding messy situations such as wire crossing and entangling caused by different terminal orientations, making the internal wiring of the electric meter box more neat and beautiful, facilitating the operation and management of the installation personnel, and improving the efficiency and quality of the wiring.

[0022] Further, the input port is arranged on the side of the junction busbar away from the output terminals.

[0023] With the foregoing technical scheme, the input port is arranged on the side of the junction busbar away from the output terminals, which can spatially separate the input line from the output line. This can effectively reduce the interference caused by electromagnetic coupling between the input line and the output line, avoid the influence of the input signal by the current change in the output line, and thus ensure the stability and accuracy of the input signal, and improve the reliability of the electric meter box in measuring and processing electric energy data. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described below with reference to the drawings:

[0025] Fig. 1 is an exploded view of the first direction of the junction module of the present application;

[0026] Fig. 2 is an assembly view of the junction module;

[0027] Fig. 3 is an exploded view of the second direction of the junction module;

[0028] Fig. 4 is a schematic view of a meter box with a junction module.

[0029] BRIEF DESCRIPTION OF DRAWINGS: 1, box body; 2, junction module; 21, junction busbar; 22, housing; 23, input port; 24, output terminal; 25, clamping groove; 26, clamping buckle; 3, guide rail; 4, box core assembly; 5, clamping plate; 51, clamping part; 6, pressing part. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0031] The terms "first", "second", and the like (if any) in the specification and claims of the present application are used to distinguish similar objects, not to describe a specific order or sequence, even if "second" is used before a certain technical feature to distinguish it. It should be understood that in the present application, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present application, "multiple" means two or more. "And / or" is only a description of the association between the associated objects, which means that there can be three relationships, for example, X and / or Y can represent three cases: X alone, X and Y together, and Y alone. The character " / " generally represents an "or" relationship between the associated objects. "Including X, Y and Z", "including X, Y, Z" means that X, Y and Z are all included, "including X, Y or Z" means that one of X, Y and Z is included, and "including X, Y and / or Z" means that any one or any two or all of X, Y and Z is included.

[0032] The technical solutions of the present application will be described in detail below with specific examples. The following specific examples can be combined or replaced according to actual conditions, and the same or similar concepts or processes may not be described in some embodiments.

[0033] Example 1:

[0034] like Figs. 1 to 4 As shown, this application provides an electric meter box with a junction module 2. The electric meter box with a junction module 2 includes a box body 1, a guide rail 3 installed on the box body 1, and a box core assembly 4 installed on the guide rail 3. The junction module 2 is also installed on the guide rail 3. The junction module 2 includes a junction bus 21 and a housing 22 that encloses the junction bus 21. The housing 22 is installed on the guide rail 3. The housing 22 is provided with an input port 23 electrically connected to the junction bus 21 and a plurality of output terminals 24, so that the input port 23 connects to the bus, and the remaining output terminals 24 output branch lines.

[0035] After adopting the above technical solution, this application has the following advantages: By designing a housing for the respective busbars 21 of the neutral wire and the ground wire, so that they can be installed together with the box core assembly 4 on the guide rail 3, on the one hand, the leakage of the respective busbars 21 of the neutral wire and the ground wire can be reduced, and on the other hand, the installation of the busbar module 2 can be facilitated. It only needs to be installed in conjunction with the box core assembly 4, which improves the installation efficiency. Furthermore, by designing the housing of the busbar module 2 to be installed together with the box core assembly 4, the busbar module 2 and the box core assembly 4 can be packaged as a set, avoiding the phenomenon of missing or lost items.

[0036] Specifically, the core assembly 4 usually refers to the meter, circuit breaker, fuse, current transformer and voltage transformer (if any) and wiring terminals in the meter box.

[0037] Understandably, junction module 2 can form a junction for ground wires alone, or it can form a junction for neutral wires alone.

[0038] Furthermore, the bottom of the housing 22 is provided with a slot 25 for mounting on the guide rail 3. The width of the slot 25 is greater than the width of the guide rail 3. A card plate 5 extending to the slot 25 is detachably connected to the housing 22 so that the card plate 5 and the slot 25 clamp the guide rail 3.

[0039] By employing the aforementioned technical solution, the installation of the junction module 2 is provided through the engagement of the slot 25 at the bottom of the housing 22 with the guide rail 3 on the guide rail 3. The installer simply aligns the slot 25 of the housing 22 with the guide rail 3, places it in place, and then uses the detachable clamping plate 5, which is attached to the housing 22 and extends to the slot 25, to clamp the guide rail 3, thus securing the junction module 2. This installation method requires no complex tools or excessive steps, and can be completed quickly and accurately even in relatively complex on-site environments, greatly improving installation efficiency.

[0040] Further, the clamping plate 5 is provided with a plurality of clamping portions 51, and the shell 22 is provided with buckles 26 for abutting the clamping portions 51, the buckles 26 and the clamping portions 51 have resilience, so that when the buckles 26 and the clamping portions 51 abut, both sides are deformed to enable the clamping plate 5 to be clamped or unlocked.

[0041] By the cooperation of the plurality of clamping portions 51 and the buckles 26, the size change of the guide rail 3 or the shell 22 of the junction module 2 of different specifications can be adapted. When the junction module 2 is installed, the plurality of clamping portions 51 cooperate with the buckles 26 having resilience. The installer only needs to push the clamping plate 5 towards the shell 22 to make the clamping portions 51 contact the buckles 26. Due to the resilience of the buckles 26 and the clamping portions 51, the clamping portions 51 will be deformed during the abutting process with the buckles 26, so as to be smoothly clamped into the buckles 26, realizing the clamping and fixing of the guide rail 3 by the clamping plate 5 and the shell 22. When the junction module 2 needs to be maintained, replaced or overhauled, the disassembly process is also simple. Only by applying appropriate external force to the clamping plate 5, the relative displacement between the clamping portions 51 and the buckles 26 is generated. Due to the resilience, the buckles 26 and the clamping portions 51 will be deformed again, so that the clamping portions 51 are unlocked from the buckles 26, and then the clamping plate 5 can be easily removed, and the junction module 2 can be disassembled from the guide rail 3. This convenient disassembly method helps to quickly locate and solve the possible problems of the junction module 2, reduces the equipment downtime, and improves the maintenance efficiency.

[0042] It can be understood that the buckles 26 and the clamping portions 51 can have resilience on one side.

[0043] Further, the cross section of the guide rail 3 is inverted trapezoidal, and the end of the clamping plate 5 close to the guide rail 3 is trapezoidal side edge adapted to the guide rail 3, and the rear side of the clamping groove 25 is trapezoidal side edge adapted to the guide rail 3, so that the clamping groove 25 on the rear side and the clamping plate 5 on the other side clamp the guide rail 3.

[0044] By the foregoing technical solution, the cross section of the guide rail 3 is inverted trapezoidal, and the end of the clamping plate 5 and the corresponding side edge of the clamping groove 25 are designed to be trapezoidal shape, so that the clamping plate 5 and the clamping groove 25 can be closely fitted when clamping the guide rail 3, effectively preventing the displacement of the guide rail 3 in the horizontal and vertical directions. Compared with other shapes of guide rails and clamping structures, this trapezoidal design greatly improves the installation stability of the junction module 2 on the guide rail 3, ensures that the junction module 2 can be firmly fixed at the predetermined position during the operation of the electric meter box, even if affected by external forces such as vibration and impact, and guarantees the reliability of the zero and ground wire junction busbar 21 connection. It can be understood that in another embodiment, the front side of the clamping groove 25 is trapezoidal side edge adapted to the guide rail 3.

[0045] Further, the input port 23 is arranged at the rear of the shell 22, and a pressing member 6 for pressing the input terminal is arranged above the input port 23.

[0046] According to the above technical scheme, when the input terminal is connected to the bus, the bus is first connected to the input port 23, and then the pressing member 6 is used for fixing. This installation method is relatively simple and direct, and does not require too many complex auxiliary tools or tedious operation steps. When the input terminal needs to be checked, repaired or replaced later, the pressing member 6 can be loosened, and the input terminal can be conveniently operated, improving the convenience of installation and maintenance, reducing the maintenance time and labor cost, and helping to improve the maintenance efficiency of the entire electric meter box and ensure the continuous and stable operation of the power system.

[0047] Further, the box core assembly 4 is installed side by side with the junction module 2, and the box core assembly 4 is closely attached to the shell 22 of the junction module 2.

[0048] According to the above technical scheme, the box core assembly 4 and the junction module 2 are installed side by side and closely attached to each other, so that the internal structure of the electric meter box is more compact. In the limited space of the box body 1, this layout can effectively reduce the gap and redundant space between the components, improve the space utilization rate, and because the box core assembly 4 and the junction module 2 are closely attached to each other and installed on the same guide rail, they can form a mutual supporting structure. When the electric meter box is subjected to external vibration or impact, such as vehicle bumps during transportation, vibration caused by large machinery operation near the construction site, etc., this mutual supporting structure can effectively reduce the shaking amplitude of a single component.

[0049] Further, the output terminals 24 are arranged in a stepped manner and are directed obliquely upward.

[0050] According to the above technical scheme, the output terminals 24 are arranged in a stepped manner, which forms a staggered structure in the vertical direction. Compared with linearly arranged terminals, this layout can more effectively utilize the limited space. Since the terminals are directed obliquely upward, the hands and tools of the operator can more conveniently access the terminals when connecting branch lines, and perform connection actions such as plugging or tightening, without the need to excessively bend or twist the body, thereby improving the comfort and convenience of operation. Especially in large-scale electric meter box assembly or scenarios requiring frequent connection operations, this can significantly improve work efficiency.

[0051] Further, the output terminals 24 of the junction module 2 and the output terminals 24 of the box core assembly 4 are directed in the same direction.

[0052] According to the technical scheme, when the junction module 2 and the output terminals 24 of the box core assembly 4 are in the same direction, the wiring direction can be kept consistent when connecting external lines. This makes the wires drawn from the output terminals 24 be laid and arranged in the same general direction, and it is easier to plan a neat and orderly wiring path, avoiding the confusion of crossing and winding of the wires due to different orientations of the terminals, making the internal wiring of the electric meter box more neat and beautiful, facilitating the operation and management of the installers, and improving the efficiency and quality of the wiring.

[0053] Further, the input port 23 is arranged on the side of the junction busbar 21 away from the output terminals 24.

[0054] According to the technical scheme, the input port 23 is arranged on the side of the junction busbar 21 away from the output terminals 24, which can spatially separate the input line from the output line. This can effectively reduce the interference caused by electromagnetic coupling between the input line and the output line, avoid the influence of the input signal by the current change in the output line and other factors, thereby ensuring the stability and accuracy of the input signal, and improving the reliability of the electric meter box in measuring and processing electric energy data.

[0055] Embodiment 2:

[0056] Different from embodiment 1, the rear part of the shell 22 is provided with a clamping groove 25 for mounting on the guide rail 3, the width of the clamping groove 25 is greater than the width of the guide rail 3, and a clamping plate 5 extending to the clamping groove 25 is detachably connected to the shell 22, so that the clamping plate 5 and the clamping groove 25 clamp the guide rail 3.

[0057] According to the technical scheme, the clamping groove 25 at the rear part of the shell 22 cooperates with the guide rail 3, and when mounting, the shell 22 is only needed to be placed with the clamping groove 25 aligned with the guide rail, and then the clamping plate 5 is mounted, so that the clamping plate 5 and the clamping groove 25 can clamp the guide rail, which is simple and convenient to operate, does not need complex tools and cumbersome steps, can greatly improve the installation efficiency of the junction module 2 on the guide rail 3, saves the installation time, and is particularly suitable for batch installation operation, effectively improving the overall assembly speed of the electric meter box.

[0058] In addition to the preferred embodiments described above, the present application also has other embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

Claims

1. A meter box with a junction module, characterized in that, The device includes a housing, a guide rail mounted on the housing, and a housing core assembly mounted on the guide rail. A junction module is also mounted on the guide rail. The junction module includes a junction bus and a housing that encloses the junction bus. The housing is mounted on the guide rail and has an input port that is electrically connected to the junction bus and multiple output terminals, so that the input port connects to the bus and the other output terminals output branch lines.

2. The meter box with a junction module according to claim 1, characterized in that, The core assembly and the junction module are installed side by side, and the core assembly and the housing of the junction module are in close contact.

3. A meter box with a junction module according to claim 1, characterized in that, The bottom of the housing is provided with a slot for mounting on a guide rail. The width of the slot is greater than the width of the guide rail. A card plate extending to the slot is detachably connected to the housing so that the card plate and the slot clamp the guide rail.

4. A meter box with a junction module according to claim 3, characterized in that, The card plate is provided with multiple locking parts, and the housing is provided with buckles for abutting the locking parts. The buckles and / or locking parts have elasticity so that one or both of the buckles and single-segment locking parts deform when they abut, so that the card plate can be engaged or unlocked.

5. A meter box with a junction module according to claim 3, characterized in that, The guide rail has an inverted trapezoidal cross-section, and the end of the clamping plate near the guide rail is a trapezoidal side that adapts to the guide rail. The front or rear side of the slot is a trapezoidal side that adapts to the guide rail, so that the slot on the front or rear side and the clamping plate on the other side can clamp the guide rail.

6. A meter box with a junction module according to claim 1, characterized in that, The input port is located at the rear of the housing, and a clamping element for clamping the input terminal is provided on the housing above the input port.

7. A meter box with a junction module according to claim 1, characterized in that, The rear of the housing is provided with a slot for mounting on a guide rail. The width of the slot is greater than the width of the guide rail. A retaining plate extending to the slot is detachably connected to the housing so that the retaining plate and the slot clamp the guide rail.

8. A meter box with a junction module according to any one of claims 1 to 7, characterized in that, The output terminals are arranged in a stepped pattern and face diagonally upwards.

9. A meter box with a junction module according to any one of claims 1 to 7, characterized in that, The output terminals of the junction module and the output terminals of the core assembly face the same direction.

10. A meter box with a junction module according to claim 1, characterized in that, The input port is located on the side of the busbar away from the output terminals.

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