Modular meter box

Abstract

The utility model belongs to the technical field of meter box manufacturing, and relates to a modularized meter box, a meter box body is a box body structure with an open front side surface, a front panel is fixedly connected with the meter box body in a welding manner, and the front panel is provided with three rectangular openings which respectively correspond to a wire inlet chamber, a metering chamber and a wire outlet chamber in a cavity of the meter box body; an insulating back plate is fixedly installed at the position, corresponding to the wire inlet chamber, of the inner surface of a rear panel of the meter box body, a modular combination unit back plate is fixedly installed at the positions, corresponding to the metering chamber and the wire outlet chamber, of the inner surface of the rear panel of the meter box body, and the modular combination unit back plate comprises a back plate base, a first back plate cover plate and a second back plate cover plate. The back plate base is provided with a top-layer wiring groove and a bottom-layer wiring groove in the vertical direction, the bottom-layer wiring groove penetrates through the whole back plate base, and the top-layer wiring groove is distributed in the upper portion of the back plate base. According to the utility model, all the connecting wires pass through the layered wiring grooves, so that the problems of wire heating adhesion, wire heat dissipation and missort are solved; the heat dissipation performance is good, and the grounding performance is excellent.

Description

Technical Field

[0001] The utility model belongs to the technical field of meter box manufacturing, and specifically relates to a modular meter box. Background Art

[0002] The traditional electric energy meter box has a single concept and many risks. It is not difficult to find out from the on-site investigation that the electric energy meter boxes currently in operation in the streets and alleys have many defects. For example, the meter box locks are complicated and easy to rust and damage. It is not only inconvenient to wear keys, but also difficult to accurately judge, record, and replace them after damage; the box is old and damaged and cannot be judged remotely. There is no record, no trace, and no alarm when the box door is opened. Anyone can open it at any time. There are always risks to personal safety, electricity consumption, and operation and maintenance; there are also frequent problems such as meter box burning, cable burning, and micro-break burning; the meter box wiring is messy and irregular, and the risk of fire is very high, which seriously affects the reliability of the equipment, the efficiency of equipment installation and fault repair efficiency, and the long-term operation stability. Utility Model Content

[0003] In order to solve the above defects or deficiencies in the prior art, the utility model designs a new modular intelligent meter box, realizes the standardized and modular production and installation of the meter box, and integrates the intelligent meter box, intelligent fire protection, and intelligent measurement switch into an intelligent device. The technical solution adopted by the utility model is as follows

[0004] A modular meter box, comprising a meter box body, wherein the meter box body is a box structure with an open front side, a front panel is welded and fixedly connected to the meter box body, and the front panel is provided with three rectangular openings corresponding to an incoming line chamber, a metering chamber and an outgoing line chamber in a cavity of the meter box body, respectively, the outgoing line chamber is located above the metering chamber, and the incoming line chamber is adjacent to the metering chamber and the outgoing line chamber on the left and right; a front side door 1 is fixedly installed at the opening corresponding to the incoming line chamber, a front side door 2 is fixedly installed at the opening corresponding to the metering chamber and the outgoing line chamber, a metering chamber observation window is arranged at the position of the front side door 2 corresponding to the metering chamber, and an outgoing line chamber operation window is arranged at the position of the front side door 2 corresponding to the outgoing line chamber;

[0005] An insulating back plate is fixedly installed on the inner surface of the rear panel of the meter box body at a position corresponding to the incoming line chamber, and a modular combination unit back plate is fixedly installed on the inner surface of the rear panel of the meter box body at positions corresponding to the metering chamber and the outgoing line chamber. The modular combination unit back plate comprises: a back plate base, a back plate cover plate 1 and a back plate cover plate 2. The back plate base is a rectangular box structure with an upper thickness greater than a lower thickness. A closed step is provided at the connection between the upper and lower parts of the back plate base. A plurality of fixing holes are fixedly provided at the edge position in the height direction of the back plate base. A top-layer wiring groove and a bottom-layer wiring groove are provided in a vertical direction near the fixing holes on one side. The bottom-layer wiring groove runs through the entire back plate base. The top-layer wiring groove is distributed on the upper part of the back plate base. A plurality of heat dissipation cavities are provided near the top-layer wiring groove and the bottom-layer wiring groove. The back plate cover plate 1 is fixedly installed on the upper part of the back plate base by screwing bolts into the fixing holes, and the back plate cover plate 2 is fixedly installed on the lower part of the back plate base by screwing bolts into the fixing holes.

[0006] Preferably, a double door lock is arranged at positions corresponding to the front side door one and the front side door two, and a planar smart lock is installed on the double door lock, and the planar smart lock is equipped with a status detector.

[0007] Preferably, an insulating back plate is fixedly installed by screws at a position corresponding to the incoming line chamber on the inner surface of the rear panel of the meter box body, and the incoming line switch is fixedly installed on the insulating back plate by screws; and a modular combination unit back plate is fixedly installed by screws at a position corresponding to the metering chamber and the outgoing line chamber on the inner surface of the rear panel of the meter box body.

[0008] Preferably, a plurality of miniature circuit breakers are installed on the upper surface of the back plate cover plate 1, and the miniature circuit breakers are fixed to the upper surface of the back plate cover plate 1 through guide rails; a plurality of electric energy meters are installed on the lower surface of the back plate cover plate 1, and a plurality of electric energy meters are installed on the surface of the back plate cover plate 2, and the electric energy meters are fixed to the lower surface of the back plate cover plate 1 and the surface of the back plate cover plate 2 through non-stop meter replacement connectors.

[0009] Preferably, the modular combination unit backplane is composed of a plurality of backplane modules connected in a plug-in manner, and each adjacent side of each backplane module is provided with a dovetail groove structure corresponding to each other.

[0010] Preferably, a fire extinguisher is fixedly mounted on each of the left and right inner sides of the meter box body.

[0011] Preferably, the fire extinguisher comes with a small fixing plate with fixing holes reserved thereon, and a support plate is fixedly installed at a corresponding position of the meter box body by screws, the support plate consists of a vertical side and a horizontal side, and a long hole is provided on the vertical side of the support plate.

[0012] Preferably, a baffle is fixedly installed on the surface of the back plate cover plate 1 between the outlet chamber and the metering chamber, and the two ends of the baffle are rotatably connected to the back plate cover plate 1 through a pair of hinges, and the position between the pair of hinges is connected to the baffle and the back plate cover plate 1 through a right-angle fixing piece.

[0013] Beneficial effects of the utility model:

[0014] All the connecting wires between the electric energy meter in the meter box body and the outgoing circuit breaker pass through the layered wiring troughs, which solves the problems of wire heating and adhesion, wire heat dissipation and household connection problems in multiple electric energy meters; the meter box has good heat dissipation performance and good grounding effect, which reduces the current burden of the transformer loop; by setting up IoT smart locks and fire extinguishers, the use of the meter box is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the description of the specific implementation or the prior art. Obviously, the drawings described below are some specific implementations of the utility model. For ordinary technicians in this field, other drawings within the protection scope of this application can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a meter box in an embodiment of the utility model with the front side door open;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a meter box in a closed state of the front side door of an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the back panel base of an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a modular combination unit back panel of an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of a fire extinguisher according to an embodiment of the utility model;

[0021] Figure 6 This is a schematic diagram of the installation position of the baffle in an embodiment of the utility model;

[0022] In the figure, 1 is the front side door one, 2 is the front side door two, 3 is the incoming line room, 4 is the metering room, 5 is the outgoing line room, 6 is the outgoing line room operation window, 7 is the metering room observation window, 8 is the double door lock, 9 is the back panel base, 10 is the back panel cover one, 11 is the back panel cover two, 12 is the fixing hole, 13 is the top wiring trough, 14 is the bottom wiring trough, 15 is the heat dissipation cavity, 16 is the closed step, 17 is the fire extinguisher, 18 is the fixed small plate, 19 is the support plate, 20 is the outer screw column of the box body, and 21 is the baffle. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0024] like Figure 1 , which is a schematic diagram of the three-dimensional structure of the meter box in the embodiment of the utility model with the front side door open; Figure 2 The figure shows a three-dimensional structural diagram of the meter box of the embodiment of the utility model in the closed state of the front side door. A modular meter box includes a meter box body, the meter box body is a box structure with an open front side, and the front panel is welded and fixedly connected with the meter box body to form a complete meter box. The front panel has three rectangular openings, which correspond to the incoming line chamber 3, the metering chamber 4 and the outgoing line chamber 5 in the cavity of the meter box body, respectively. The outgoing line chamber 5 is located above the metering chamber 4, and the incoming line chamber 3 is adjacent to the metering chamber 4 and the outgoing line chamber 5 on the left and right. The front side door 1 is fixedly installed at the opening corresponding to the incoming line chamber 3 by hinges, and the front side door 2 is fixedly installed at the opening corresponding to the metering chamber 4 and the outgoing line chamber 5 by hinges, with the front side door 1 on the left and the front side door 2 on the right. The incoming line chamber 3 is mainly equipped with an incoming line switch, the metering chamber 4 is mainly equipped with an electric energy meter, and the outgoing line chamber 5 is mainly equipped with a miniature circuit breaker (outgoing line switch). A metering room observation window 7 is set at the position of the metering room 4 corresponding to the front side door 2, and an outlet room operation window 6 is set at the position of the outlet room 5 corresponding to the front side door 2. A universal lock can be added to the outlet room operation window 6, which can be opened conveniently by operation and maintenance personnel. The outlet room operation window 6 is mainly used to facilitate the opening and closing of miniature circuit breakers (outlet switches). Each outlet switch corresponds to a household meter, so that targeted small-scale power outages can be achieved in special circumstances such as meter replacement.

[0025] A double door lock 8 is set at the positions corresponding to the front side door 1 and the front side door 2, and a flat smart lock commonly used by the State Grid is installed on the double door lock 8 to realize one box and one lock, reducing the number of smart locks. The flat smart lock is an existing product. The flat smart lock is equipped with a status detector, which connects the flat smart lock and the mobile phone of the on-site personnel through Bluetooth, and the mobile phone of the on-site personnel is connected to the electricity information collection system. The intelligent IoT lock monitoring function is developed and deployed in the electricity information collection system to monitor the status of the meter box door and the flat smart lock in real time. Only after the management personnel authorize the mobile phone of the on-site personnel, can the on-site personnel unlock and open the meter box door through the mobile phone, and strictly implement the policy of not unlocking without a work order, so as to realize the accurate discovery and active operation and maintenance of the abnormal movement of the meter box, and improve the anti-theft level of the metering device.

[0026] An insulating back plate is fixedly installed on the position of the incoming line chamber 3 on the inner surface of the rear panel of the meter box body by screws, and the incoming line switch is fixedly installed on the insulating back plate by screws.

[0027] The modular combination unit back plate is fixedly installed by screws at the positions corresponding to the metering chamber 4 and the outlet chamber 5 on the inner surface of the rear panel of the meter box body. The modular combination unit back plate covers the area of ​​the metering chamber 4 and the outlet chamber 5 as a whole. Figure 3 As shown, it is a schematic diagram of the structure of the back panel base of an embodiment of the utility model; Figure 4 The figure shows a schematic diagram of the structure of the modular combination unit backplane of the embodiment of the utility model. The modular combination unit backplane comprises: a backplane base 9, a backplane cover plate 1 10 and a backplane cover plate 2 11. The backplane base 9 is fixedly installed at the position corresponding to the metering chamber 4 and the outlet chamber 5 on the inner surface of the rear panel of the meter box body. The backplane base 9 is a rectangular box structure with an upper thickness greater than the lower thickness. A closed step 16 is provided at the connection between the upper and lower parts of the backplane base 9. A plurality of fixing holes 12 are fixedly provided at the edge position in the height direction of the backplane base 9. A top wiring groove 13 and a bottom wiring groove 14 are provided at the position close to the fixing hole 12 on one side. A plurality of heat dissipation cavities 15 are provided at the position close to the top wiring groove 13 and the bottom wiring groove 14. The backplane cover plate 10 is fixedly installed at the upper part of the backplane base 9 by screwing bolts into the fixing hole 12. The backplane cover plate 2 11 is fixedly installed at the lower part of the backplane base 9 by screwing bolts into the fixing hole 12.

[0028] Several miniature circuit breakers are installed on the upper surface of the back plate cover 10, and the miniature circuit breakers are fixed on the upper surface of the back plate cover 10 through guide rails; several electric energy meters are installed on the lower surface of the back plate cover 10, and several electric energy meters are installed on the surface of the back plate cover 2 11, and the electric energy meters are fixed on the lower surface of the back plate cover 10 and the surface of the back plate cover 2 11 through non-stop power-changing meter connectors (the non-stop power-changing meter connectors are not shown in the utility model, which are existing products and do not belong to the protection scope of the utility model). The bottom wiring trough 14 runs through the entire back plate base 9, from the bottom of the back plate base 9 to the top, and is used to accommodate the connection between the lower row of electric energy meters and the miniature circuit breakers; the top wiring trough 13 is only distributed on the upper part of the back plate base 9, and is used to accommodate the connection between the upper row of electric energy meters and the miniature circuit breakers. In the embodiment of the utility model, all the connections between the electric energy meter and the miniature circuit breaker pass through the wiring groove inside the back panel base 9. The unique layered wiring method saves wiring time and solves the problems of wire heating and adhesion and wire heat dissipation of multiple electric energy meters. By setting the heat dissipation cavity 15, not only the heat dissipation performance of the meter box is improved, but also materials can be saved and the weight of the back panel of the modular combination unit can be reduced.

[0029] As a further preferred embodiment, the modular combination unit backplane is composed of a number of backplane modules, and each adjacent side of the backplane module is provided with a corresponding dovetail groove structure. By adopting the dovetail groove form to clamp and fix the backplane module, the installation of the meter box is more convenient and quick.

[0030] As a further preferred embodiment, a fire extinguisher 17 is fixedly installed on each of the left and right inner sides of the meter box body. Figure 5The figure shows the structure of the fire extinguisher of the embodiment of the utility model. The dedicated intelligent temperature sensing cables are distributed in the places where fire may occur in the incoming line room, metering room and outgoing line room, realizing the temperature detection of the incoming and outgoing lines of the intelligent measuring switch (incoming line switch), the incoming and outgoing lines of the electric energy meter, and the incoming and outgoing lines of the miniature circuit breaker. When a fire occurs at any point, it will be linked with the fire extinguisher 17 in time to extinguish the fire source. The addition of a distributed intelligent fire fighting system realizes intelligent fire fighting and makes the meter box safer. The fire extinguisher 17 is provided with a fixing plate 18, and a fixing hole is left on the fixing plate 18. The outer screw 20 of the box body is riveted (or welded) on the meter box body, and the fire extinguisher 17 is directly fixed to the inner side of the meter box body through the hole on the fixing plate 18. In order to increase the firmness of the fixation, a support plate 19 is fixedly installed at the corresponding position of the meter box body by screws to stabilize the fire extinguisher 17. The support plate 19 is composed of a vertical side connected to the meter box body and a horizontal side supporting the fire extinguisher 17. The vertical side of the support plate 19 is provided with a long hole for adjusting the gap between the support plate 19 and the fire extinguisher 17. The technology of realizing intelligent firefighting by automatically controlling the fire extinguisher 17 through the network is a prior art and will not be repeated here.

[0031] As a further preferred embodiment, a baffle 21 is fixedly installed on the surface of the back plate cover 10 between the outlet chamber 5 and the metering chamber 4, and the two ends of the baffle 21 are rotatably connected to the back plate cover 10 through a pair of hinges, and the position between the pair of hinges is connected to the baffle 21 and the back plate cover 10 through a right-angle fixing piece. When installing the back plate of the modular combination unit, the baffle 21 can be flipped to a vertical state to avoid interference during the installation of the back plate. After the installation of the back plate of the modular combination unit is completed, the baffle 21 is flipped to a horizontal state, and the right-angle fixing piece is fixed by screws to fix the baffle 21 in a horizontal state, so as to prevent debris in the upper outlet chamber 5 from falling into the lower metering chamber 4.

[0032] By using the meter box of the utility model and selecting a new type of measuring switch, the three phases can be disconnected independently, the power outage operation range of the meter box can be reduced, and the metering device in the meter box and the user side fault can be quickly and accurately cut off by phase separation.

[0033] In the embodiments of the utility model, the technical features not described in detail are all existing technologies or conventional technical means and will not be described in detail here.

[0034] Finally, it should be noted that the above embodiments are only specific implementation methods of the present utility model, which are used to illustrate the technical solution of the present utility model, rather than to limit it, and the protection scope of the present utility model is not limited thereto. Those skilled in the art should understand that any technician familiar with the technical field can modify the technical solution recorded in the above embodiments within the technical scope disclosed by the present utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present utility model, and should be covered within the protection scope of the present utility model.

Claims

1. A modular meter box, comprising a meter box body, wherein the meter box body is a box structure with an open front side, and a front panel is fixedly connected to the meter box body by welding, characterized in that: The front panel is provided with three rectangular openings corresponding to the incoming line chamber (3), the metering chamber (4) and the outgoing line chamber (5) in the cavity of the meter box body, respectively; the outgoing line chamber (5) is located above the metering chamber (4), and the incoming line chamber (3) is adjacent to the metering chamber (4) and the outgoing line chamber (5) on the left and right; the first front door (1) is fixedly installed at the opening corresponding to the incoming line chamber (3); the second front door (2) is fixedly installed at the opening corresponding to the metering chamber (4) and the outgoing line chamber (5); a metering chamber observation window (7) is provided at the position of the second front door (2) corresponding to the metering chamber (4); and an outgoing line chamber operation window (6) is provided at the position of the second front door (2) corresponding to the outgoing line chamber (5); An insulating back plate is fixedly installed on the inner surface of the rear panel of the meter box body at a position corresponding to the incoming line chamber (3), and a modular combination unit back plate is fixedly installed on the inner surface of the rear panel of the meter box body at a position corresponding to the metering chamber (4) and the outgoing line chamber (5). The modular combination unit back plate comprises: a back plate base (9), a back plate cover plate 1 (10) and a back plate cover plate 2 (11). The back plate base (9) is a rectangular box structure with an upper thickness greater than a lower thickness. A closed step (16) is provided at the connection between the upper and lower parts of the back plate base (9). A plurality of fixing holes ( 12), a top wiring groove (13) and a bottom wiring groove (14) are arranged in a vertical direction near the fixing hole (12) on one side, the bottom wiring groove (14) runs through the entire back panel base (9), the top wiring groove (13) is distributed on the upper part of the back panel base (9), and a plurality of heat dissipation cavities (15) are arranged near the top wiring groove (13) and the bottom wiring groove (14); a back panel cover plate 1 (10) is fixedly installed on the upper part of the back panel base (9) by screwing bolts into the fixing hole (12), and a back panel cover plate 2 (11) is fixedly installed on the lower part of the back panel base (9) by screwing bolts into the fixing hole (12).

2. A modular meter box according to claim 1, characterized in that: A double door lock (8) is arranged at positions corresponding to each other on the front side door 1 (1) and the front side door 2 (2), and a planar intelligent lock is installed on the double door lock (8), wherein the planar intelligent lock is equipped with a status detector.

3. A modular meter box according to claim 2, characterized in that: An insulating back plate is fixedly mounted on the inner surface of the rear panel of the meter box body at a position corresponding to the incoming line chamber (3) by means of screws, and an incoming line switch is fixedly mounted on the insulating back plate by means of screws; and a modular combination unit back plate is fixedly mounted on the inner surface of the rear panel of the meter box body at a position corresponding to the metering chamber (4) and the outgoing line chamber (5) by means of screws.

4. A modular meter box according to claim 3, characterized in that: A plurality of miniature circuit breakers are mounted on the upper surface of the back plate cover plate 1 (10), and the miniature circuit breakers are fixed to the upper surface of the back plate cover plate 1 (10) via guide rails; a plurality of electric energy meters are mounted on the lower surface of the back plate cover plate 1 (10), and a plurality of electric energy meters are mounted on the surface of the back plate cover plate 2 (11), and the electric energy meters are fixed to the lower surface of the back plate cover plate 1 (10) and the surface of the back plate cover plate 2 (11) via non-stop meter replacement connectors.

5. The modular meter box according to claim 1, characterized in that: The modular combination unit backplane is composed of a plurality of backplane modules plugged in, and each adjacent side of the backplane module is provided with a dovetail groove structure corresponding to each other.

6. A modular meter box according to claim 1, characterized in that: A fire extinguisher (17) is fixedly mounted on each of the left and right inner sides of the meter box body.

7. A modular meter box according to claim 6, characterized in that: The fire extinguisher (17) is provided with a fixing plate (18), and a fixing hole is left on the fixing plate (18). A support plate (19) is fixedly installed at a corresponding position of the meter box body by screws. The support plate (19) is composed of a vertical side surface and a horizontal side surface, and a long hole is opened on the vertical side surface of the support plate (19).

8. The modular meter box according to claim 1, characterized in that: A baffle (21) is fixedly mounted on the surface of the back plate cover (10) between the outlet chamber (5) and the metering chamber (4); the two ends of the baffle (21) are rotatably connected to the back plate cover (10) via a pair of hinges; the baffle (21) and the back plate cover (10) are connected at a right angle between the pair of hinges.

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