Distribution box based on Internet of Things

Abstract

The utility model provides a distribution box based on the Internet of Things, and relates to the technical field of distribution boxes. Comprising an A-side mounting frame, a B-side mounting frame and a data acquisition module, a DTU module and an IoT module are arranged on the A-side mounting rack or the B-side mounting rack; the DTU module is electrically connected to the I / O module, the signal coupling module and the IoT module; the IoT module is electrically connected to the data acquisition module; and the signal coupling module is coupled to a live wire in the box body. The DTU module is in a dual communication structure with the signal coupling module and the IoT module. Data are modulated to a live wire through the signal coupling module, a standby communication link is formed by using a power line communication technology, additional wiring is not needed, and the installation complexity is reduced. When the main link is interrupted, the data can be transmitted to other devices in the transformer area through the live wire and then transmitted back to the cloud through the power network, and communication redundancy is achieved through the dual communication architecture.

Description

Technical Field

[0001] This utility model relates to the field of distribution box technology, and more specifically, to a distribution box based on the Internet of Things. Background Technology

[0002] Distribution boxes are electrical equipment characterized by their small size, easy installation, specialized technical performance, fixed location, unique configuration functions, lack of site restrictions, widespread application, stable and reliable operation, high space utilization, small footprint, and environmental benefits. They rationally distribute electrical energy and facilitate circuit opening and closing operations. They have a high level of safety protection and can intuitively display the circuit's continuity status.

[0003] Existing distribution boxes with IoT functionality are generally small household distribution boxes. These boxes typically have an IoT gateway installed inside, communicating wirelessly directly through the gateway. This over-reliance on the gateway means that if the gateway fails or malfunctions, the distribution box will be unable to connect to the network and cannot be remotely monitored or controlled. Therefore, this invention proposes an IoT-based distribution box to at least partially solve the problems that may exist in the prior art. Utility Model Content

[0004] The purpose of this utility model is to provide an Internet of Things-based distribution box that can address the shortcomings of existing technologies and propose solutions to at least partially solve the problems that may exist in existing technologies.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] An Internet of Things (IoT) based distribution box includes:

[0007] The A-side mounting bracket and B-side mounting bracket, as well as the data acquisition module, are installed inside the enclosure;

[0008] The mounting bracket on side A or side B is equipped with a DTU module and an IoT module;

[0009] The DTU module is electrically connected to the I / O module, the signal coupling module, and the IoT module; the IoT module is electrically connected to the data acquisition module.

[0010] The signal coupling module is coupled to the live wire inside the enclosure.

[0011] Optionally, the data acquisition module includes a meter, a current transformer, and a zero-sequence transformer electrically connected to the IoT module;

[0012] The IoT module is electrically connected to an AC contactor and a switching capacitor contactor; the switching capacitor contactor is electrically connected to a capacitor.

[0013] Optionally, a conduit is provided on the side of the enclosure;

[0014] The conduit opening is bent downwards.

[0015] Optionally, the box body is provided with doors on both sides, and the doors are provided with locks and viewing windows;

[0016] The rainproof top of the enclosure is sloped.

[0017] Optionally, the cabinet door is also equipped with a display screen;

[0018] The display screen is electrically connected to the I / O module.

[0019] Optionally, the two sides of the enclosure are provided with waterproof heat dissipation holes.

[0020] Optionally, the mounting bracket on side A is also equipped with a junction box and a miniature circuit breaker.

[0021] Optionally, the mounting bracket on side B is also equipped with a disconnecting switch, a residual current circuit breaker, and an outgoing air switch.

[0022] This utility model has at least the following advantages or beneficial effects:

[0023] The enclosure includes an A-side mounting bracket and a B-side mounting bracket, along with a data acquisition module. Each mounting bracket houses a DTU module and an IoT module. The DTU module is electrically connected to an I / O module, a signal coupling module, and the IoT module. The IoT module is electrically connected to the data acquisition module. The signal coupling module is coupled to the live wire within the enclosure. This dual communication structure integrates the DTU module, the signal coupling module, and the IoT module. The DTU module establishes a primary communication link with the cloud via a 4G / 5G network, supporting data transmission and control command issuance. The signal coupling module modulates data onto the live wire, creating a backup communication link using power line communication technology, eliminating the need for additional wiring and reducing installation complexity. When the primary link is interrupted, data can be transmitted via the live wire to other devices in the distribution area and then back to the cloud via the power network, achieving communication redundancy through this dual communication architecture. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1A schematic diagram of the front structure of an Internet of Things-based distribution box provided in an embodiment of this utility model;

[0026] Figure 2 A side view of a distribution box based on the Internet of Things is provided as an embodiment of this utility model.

[0027] Figure 3 A side cross-sectional view of a distribution box based on the Internet of Things provided in an embodiment of this utility model;

[0028] Figure 4 A schematic diagram of the A-side mounting frame structure of a distribution box based on the Internet of Things provided in an embodiment of this utility model;

[0029] Figure 5 A schematic diagram of the B-side mounting bracket structure of an Internet of Things-based distribution box provided in an embodiment of this utility model;

[0030] Figure 6 This is a schematic diagram of a dual communication module architecture for an IoT-based distribution box with a covering component, provided as an embodiment of the present invention.

[0031] In the attached diagram: 101, cabinet door; 102, rainproof roof; 103, conduit; 104, viewing window; 105, door lock; 106, display screen; 107, waterproof ventilation holes; 201, A-side mounting bracket; 202, DTU module; 203, IoT module; 204, meter; 205, capacitor; 206, junction box; 207, capacitor switching contactor; 208, miniature circuit breaker; 209, current transformer; 301, B-side mounting bracket; 302, disconnect switch; 303, zero-sequence current transformer; 304, residual current circuit breaker; 305, AC contactor; 306, outgoing air switch. Detailed Implementation

[0032] To make the objectives, features, and advantages of this utility model more apparent and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0033] Example 1

[0034] Please refer to Figures 1 to 2As shown in the figure, this embodiment provides an Internet of Things (IoT) based distribution box, including: an A-side mounting bracket 201 and a B-side mounting bracket 301 disposed inside the box, and a data acquisition module; the A-side mounting bracket 201 or the B-side mounting bracket 301 is provided with a DTU module 202 and an IoT module 203; the DTU module 202 is electrically connected to an I / O module, a signal coupling module, and the IoT module 203; the IoT module 203 is electrically connected to the data acquisition module; the signal coupling module is coupled to a live wire inside the box.

[0035] Communication redundancy is achieved through a dual communication architecture (wireless communication + power line communication). Specifically, the DTU module 202 and the signal coupling module implement power line communication. The DTU module 202 (e.g., GPRSDTU) establishes a primary communication link with the cloud via a 4G / 5G network, supporting data transmission and control command issuance. The aforementioned signal coupling module (e.g., a power line carrier coupling device) modulates data onto the live wire, using power line communication (PLC) technology to form a backup communication link. When the primary link is interrupted, data can be transmitted via the live wire to other devices in the distribution area (e.g., concentrators), and then transmitted back to the cloud via the power network. The aforementioned DTU module 202 and IoT module 203 can be placed on the A / B side mounting brackets to avoid simultaneous failure of both communication paths due to a single point of failure. The signal coupling module is directly coupled to the live wire, eliminating the need for additional wiring and reducing installation complexity. For example, when the 4G network of the distribution box is interrupted due to a base station failure, the DTU module 202 can still transmit the load data collected by the current transformer 209 and the leakage current signal detected by the zero-sequence transformer 303 through the live wire to the concentrator of the transformer in the distribution area through the signal coupling module, and then the concentrator will upload it to the power monitoring platform through the fiber optic network.

[0036] It should be noted that the DTU module (Data Transfer Unit) – a wireless terminal equipment module – superimposes data onto the live wire waveform through a signal coupling module to achieve power line carrier communication (PLC). The IoT module (Internet of Things) – an Internet of Things module – maintains the traditional wireless communication link (such as Wi-Fi / 4G). Through these two modules, they serve as hot backup links for each other. The DTU prioritizes power line communication to avoid wireless interference, while the IoT module acts as a supplementary channel. The signal coupling module binds to the mains live wire through a high-frequency modulated current waveform, completing data transmission using the same distribution line in the same area. This breaks through the range limitations of traditional wireless communication, supporting cross-floor and long-distance signal penetration. When either module fails, the I / O module automatically switches to the backup link, ensuring maximum communication redundancy.

[0037] Example 2

[0038] Please refer to Figure 2A distribution box based on the Internet of Things (IoT) is disclosed. The data acquisition module includes a meter 204, a current transformer 209, and a zero-sequence transformer 303 electrically connected to the IoT module 203. The IoT module 203 is electrically connected to an AC contactor 305 and a switching capacitor contactor 207. The switching capacitor contactor 207 is electrically connected to a capacitor 205. The IoT module 203 includes an IoT gateway. On one hand, it couples the data from the IoT module 203 to the live wire of the line via a signal coupling unit through a DTU module 202, merging the signal with the original AC waveform. The signal can be directly transmitted through the live wire under the transformer area. On the other hand, it enables terminal communication through the IoT gateway, such as installing a corresponding app on a mobile phone for data monitoring and switch control.

[0039] The aforementioned DTU module 202 preferably uses the SX1278 chip to implement LoRa spread spectrum communication. The coupling module integrates an EMI filter circuit to achieve dual-channel redundancy and parallel operation, improving communication reliability. The aforementioned current transformer can preferably use a Rogowski coil structure, with a zero-sequence transformer accuracy of 0.5s and a leakage current detection resolution of ≤10mA, supporting accurate fault early warning.

[0040] like Figure 1 and Figure 4 As shown, a conduit 103 is provided on the side of the box; the opening of the conduit 103 is bent downwards, and the multiple conduits 103 with their openings bent outwards prevent water from seeping in during rain and snow.

[0041] As a preferred implementation method, such as Figure 2 and Figure 3 As shown, the enclosure has doors 101 on both sides for easy opening and maintenance. Each door 101 is equipped with a lock 105 and a viewing window 104, allowing the status of the internal equipment to be viewed through the viewing window 104 without opening the door 101. The rainproof roof 102 of the enclosure is sloped. Specifically, the viewing window 104 is embedded in the door 101, the enclosure is preferably made of 2mm cold-rolled steel plate, and the rainproof roof preferably has a slope of 15°-20° for easy double-sided maintenance. The sloped design accelerates rainwater runoff.

[0042] Furthermore, the enclosure door 101 is also equipped with a display screen 106; the display screen 106 is electrically connected to the I / O module; waterproof heat dissipation holes 107 are provided on both sides of the enclosure. For example, the display screen 106 can preferably be a 4.3-inch TFT screen, which can be used to display real-time power consumption, on / off status, temperature status, etc., allowing for local visual operation without the need for additional debugging equipment. The heat dissipation holes 107 on the sides of the enclosure adopt a louvered structure with downward-facing openings and built-in dustproof mesh, combining heat dissipation and dust prevention to ensure that the operating temperature of internal components does not exceed the limit.

[0043] In a preferred embodiment, the mounting bracket 201 on side A is further equipped with a junction box 206 and a miniature circuit breaker 208; the mounting bracket 301 on side B is further equipped with a disconnecting switch 302, a residual current circuit breaker 304, and an outgoing air switch 306. The mounting bracket 201 on side A inside the enclosure can use a 35mm DIN rail type junction box 206. The miniature circuit breaker has a rated current of 63A. The junction box 206 can adopt a direct copper busbar design. The circuit breaker is equipped with a magnetic trip protection unit. The residual current circuit breaker integrates an IGBT switching transistor and a zero-point crossing control circuit, with a modular layout for easy line expansion and maintenance. The disconnecting switch is preferably an HR5 series, and the residual current circuit breaker has an operating current of 30mA, achieving multi-level protection and improving electrical safety.

[0044] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

[0045] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0046] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0047] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0048] The present invention provides a detailed description of an Internet of Things-based power distribution box. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. An Internet of Things based distribution box, characterized by, The utility model relates to a kind of intelligent power distribution cabinet, including: A side mounting bracket (201) and B side mounting bracket (301) and data acquisition module arranged in box; DTU module (202) and IoT module (203) are equipped on the A side mounting bracket (201) or B side mounting bracket (301); The DTU module (202) is electrically connected to I / O module and signal coupling module and the IoT module (203);The IoT module (203) is electrically connected to the data acquisition module; The signal coupling module is coupled to live wire in the box.

2. The electrical distribution box of claim 1, wherein, The data acquisition module includes electric meter (204), current transformer (209) and zero sequence transformer (303) electrically connected to the IoT module (203); The IoT module (203) is electrically connected to AC contactor (305) and switching capacitor contactor (207);The switching capacitor contactor (207) is electrically connected to capacitor (205).

3. The electrical distribution box of claim 1 or 2, wherein, The box side is provided with threading pipe (103); The pipe orifice of the threading pipe (103) is curved downward.

4. The electrical distribution box of claim 2, wherein, Both sides of the box are equipped with box door (101), and the box door (101) is equipped with door lock (105) and window (104); The rainproof top (102) of the box is inclined plane.

5. The electrical distribution box of claim 4, wherein, Display screen (106) is further equipped on the box door (101); The display screen (106) is electrically connected to the I / O module.

6. The electrical distribution box of claim 5, wherein, Both sides of the box are equipped with waterproof heat dissipation hole (107).

7. The electrical distribution box of claim 5, wherein, A wiring box (206) and small circuit breaker (208) are further equipped on the A side mounting bracket (201).

8. The electrical distribution box of claim 5, wherein, Disconnector (302), leakage circuit breaker (304) and outgoing air switch (306) are further equipped on the B side mounting bracket (301).

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