Integrated electric energy meter

Abstract

An integrated electric energy meter comprises a box body and a first metering unit, and the first metering unit is arranged in the box body and electrically connected with commercial power. The plurality of second metering units are arranged in the box body and are electrically connected with the user side through the intelligent circuit breaker; the first metering unit is electrically connected with the second metering units through a null line, a live line and a communication line which are arranged in the box body, and the plurality of second metering units are connected in parallel; a first voltage sampling module, a first current sampling module, a metering module and a first communication module are arranged in the first metering unit; the second metering unit is internally provided with a second current sampling module and a second communication module. The multi-user electric energy metering device has the beneficial effects that respective functions are simplified to the greatest extent, the cost is reduced, electric energy metering of multiple users can be realized through one first metering unit and a plurality of second metering units, and when a fault occurs, the first metering unit can be independently replaced without being integrally replaced, so that the maintenance is convenient.

Description

Technical Field

[0001] The utility model belongs to the field of electric energy metering, and in particular relates to an integrated electric energy meter. Background Art

[0002] The rapid development of smart grid technology has placed higher demands on the security management, power consumption monitoring, and data processing of electricity meter boxes. Currently, most electricity metering systems use conventional energy meters, which sample each household's voltage and current to obtain power consumption information. Failure of an energy meter requires the entire meter to be replaced, resulting in high maintenance and operating costs. Furthermore, it is difficult to detect electricity theft. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an integrated electric energy meter.

[0004] The utility model adopts the following technical solutions:

[0005] An integrated electric energy meter, comprising:

[0006] A box body, wherein the box body has a receiving space inside;

[0007] a first metering unit, which is disposed in the box and electrically connected to the mains;

[0008] A plurality of second metering units, wherein the second metering units are arranged in a box and electrically connected to a user end through an intelligent circuit breaker;

[0009] The first metering unit is electrically connected to the second metering unit via a neutral wire, a live wire, and a communication wire arranged in the box, and the plurality of second metering units are connected in parallel;

[0010] The first metering unit is provided with: a first voltage sampling module for collecting the connected mains voltage, a first current sampling module for collecting the connected mains current, a metering module for obtaining user-end current and mains voltage information and calculating according to preset conditions, and a first communication module for transmitting information with the master station and the second metering unit;

[0011] The second metering unit is provided with: a second current sampling module for collecting the current of the connected user end and a second communication module for transmitting information with the first metering unit.

[0012] Optionally, a slot for plugging in a second metering unit is provided on the inner wall of the box, and the second metering unit is pluggable in the slot, and a neutral wire socket, a live wire input socket, a live wire output socket and a communication socket are provided in the slot. The first metering unit is electrically connected to the neutral wire socket, live wire input socket and communication socket in the slot through the neutral wire, live wire and communication wire respectively, and the neutral wire socket and live wire output socket are electrically connected to the user end through the intelligent circuit breaker. The second metering unit is provided with a neutral wire socket, a live wire input socket, a live wire output socket and a communication socket that are electrically connected to the neutral wire socket, live wire input socket, live wire output socket and communication socket, thereby conducting the circuit and collecting and transmitting information.

[0013] Optionally, the first metering unit further includes: a display screen and an interactive module.

[0014] Optionally, a wiring groove for accommodating a neutral wire, a live wire, and a communication wire is provided on the inner wall of the box.

[0015] Optionally, the outside of the box has an interface connected to the mains electricity, and the interface is electrically connected to the first metering unit via a neutral wire, a live wire, and a communication wire.

[0016] Optionally, the box body has a door for closing the box body, one end of the door is hinged to the box body, and the other end of the door is provided with an NFC electronic lock that cooperates with the box body to lock.

[0017] Optionally, a touch screen electrically connected to the first metering unit is provided on the box door.

[0018] Optionally, a wireless communication module is further provided in the first metering unit, and the wireless communication module is electrically connected to the first metering unit to upload the information collected by the first metering unit via wireless communication.

[0019] The beneficial effect of this utility model is that it provides an integrated electricity meter that greatly simplifies individual functions, reduces costs, and achieves division of labor. By combining a first metering unit with multiple second metering units, it can measure the electricity of multiple users. If a metering unit fails, it can be replaced individually, without having to replace the entire unit, thus facilitating maintenance. It enables rapid installation and maintenance of metering units and intelligent management of electricity safety, thereby improving installation and maintenance efficiency, enhancing the safety of the meter box, optimizing the electricity monitoring process, and reducing long-term operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the main internal structure of the utility model;

[0023] Figure 4 This is a principle structure diagram of the first embodiment of the present utility model;

[0024] Figure 5 This is a schematic diagram of the slot and wiring trough structure of the utility model;

[0025] Figure 6 This is an enlarged view of the slot of the utility model;

[0026] Figure 7 This is a schematic structural diagram of the second metering unit in the second embodiment of the present utility model;

[0027] Figure 8 This is a principle structure diagram of embodiment 3 of the present utility model. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1:

[0030] like Figure 1-4 As shown, an integrated electric energy meter includes:

[0031] A box body 1, wherein the box body 1 has a storage space inside;

[0032] a first metering unit 2, which is disposed in the housing 1 and is electrically connected to the mains;

[0033] A plurality of second metering units 3, which are arranged in the box 1 and electrically connected to the user end through the intelligent circuit breaker 7;

[0034] The first metering unit 2 is electrically connected to the second metering unit 3 via the neutral wire 4, live wire 5, and communication wire 6 arranged in the box 1, and the plurality of second metering units 3 are connected in parallel;

[0035] The first metering unit 2 is provided with: a first voltage sampling module for collecting the connected mains voltage, a first current sampling module for collecting the connected mains current, a metering module for obtaining user-end current and mains voltage information and calculating according to preset conditions, and a first communication module for transmitting information with the master station and the second metering unit 3;

[0036] The second metering unit 3 is provided with: a second current sampling module for collecting the current of the connected user end and a second communication module for transmitting information with the first metering unit 2 .

[0037] like Figure 1-4 As shown, when working, the first metering unit 2 is connected to the mains and collects the mains voltage and current information, and then transmits it to different second metering units 3 through the neutral line 4, the live line 5, and the communication line 6. Each second metering unit 3 is connected to a corresponding user end. Since the second metering units 3 are in parallel, the voltage is the same as the mains voltage. Each second metering unit 3 can measure the consumed electric energy based on the collected user end current uploaded to the metering module of the first metering unit 2, and then transmit the metering information to the first metering unit 2 and upload it to the main station. The first metering unit 2 and the second metering unit 3 simplify their respective functions to the greatest extent and reduce costs, while achieving division of labor. By connecting a first metering unit 2 with multiple second metering units 3, the electric energy measurement of multiple users can be achieved, and when one of the metering units fails, it can be replaced separately without having to replace the entire unit, which is convenient for maintenance. At the same time, by comparing the mains current with the sum of the user currents collected by each second metering unit 3, it is possible to more clearly detect electricity theft and reduce losses.

[0038] Example 2:

[0039] like Figure 5-7 As shown, in this embodiment, the inner wall of the box body 1 is provided with a slot 8 for plugging in the second metering unit 3, and the second metering unit 3 is pluggable and plugged into the slot 8. The slot 8 is provided with a neutral line plug hole 9, a live line input plug hole 10, a live line output plug hole 11 and a communication plug hole 12. The first metering unit 2 is electrically connected to the neutral line plug hole 9, the live line input plug hole 10, and the communication plug hole 12 in the slot 8 through the neutral line 4, the live line 5, and the communication line 6. Socket 9 and live wire output socket 11 are electrically connected to the user end via intelligent circuit breaker 7. Second metering unit 3 is provided with a neutral wire plug-in post 13, live wire input plug-in post 14, live wire output plug-in post 15, and communication plug-in post 16, which are electrically connected to neutral wire socket 9, live wire input socket 10, live wire output socket 11, and communication socket 12. These are used to conduct the circuit and collect and transmit information. When second metering unit 3 is plugged into slot 8, the circuit is conducted for power supply and metering. Installation and maintenance of second metering unit 3 can be quickly and easily achieved; if a metering unit fails, it can simply be replaced.

[0040] like Figure 2As shown, in other optional embodiments, the first metering unit 2 further includes: a display screen 17 and an interactive module 18 , which are used to display information and allow the operator to input instructions through buttons of the interactive module 18 .

[0041] like Figure 5 As shown, in other optional embodiments, a wiring groove 19 for accommodating the neutral wire 4, the live wire 5, and the communication wire 6 is provided on the inner wall of the box 1, so that the internal wiring is more organized and convenient for maintenance.

[0042] like Figure 1 As shown, in other optional embodiments, the outside of the box 1 has an interface 20 connected to the mains power, and the interface 20 is electrically connected to the first metering unit 2 through the neutral wire 4, the live wire 5, and the communication wire 6. The mains power can be directly connected to the interface 20 outside the box 1, which is convenient for installation.

[0043] like Figure 1 As shown, in other optional embodiments, the box body 1 has a door 21 for closing the box body 1, one end of the door 21 is hinged to the box body 1, and the other end of the door 21 is provided with an NFC electronic lock 22 that cooperates with the box body 1 to lock. The key and door status are monitored by NFC technology, which improves the security management level and greatly improves safety.

[0044] like Figure 1-3 As shown, in other optional embodiments, a touch screen 23 electrically connected to the first metering unit 2 is provided on the box door 21, so as to facilitate users and operators to debug and control the status of components in the box.

[0045] Example 3:

[0046] like Figure 8 As shown, a wireless communication module is further provided in the first metering unit 2 , and the wireless communication module is electrically connected to the first metering unit 2 , and can upload the information collected by the first metering unit 2 through wireless communication.

[0047] The beneficial effect of this utility model is that it provides an integrated electricity meter that greatly simplifies individual functions, reduces costs, and achieves division of labor. By combining a first metering unit with multiple second metering units, it can measure the electricity of multiple users. If a metering unit fails, it can be replaced individually, without having to replace the entire unit, thus facilitating maintenance. It enables rapid installation and maintenance of metering units and intelligent management of electricity safety, thereby improving installation and maintenance efficiency, enhancing the safety of the meter box, optimizing the electricity monitoring process, and reducing long-term operating costs.

Claims

1. An integrated electric energy meter, characterized in that: include: A box body (1), wherein the box body (1) has a storage space inside; A first metering unit (2), which is arranged in the box (1) and is electrically connected to the mains; A plurality of second metering units (3), wherein the second metering units (3) are arranged in the box (1) and electrically connected to the user end via the intelligent circuit breaker (7); The first metering unit (2) is electrically connected to the second metering unit (3) via a neutral line (4), a live line (5), and a communication line (6) arranged in the box (1), and a plurality of the second metering units (3) are connected in parallel: The first metering unit (2) is provided with: a first voltage sampling module for collecting the connected mains voltage, a first current sampling module for collecting the connected mains current, a metering module for obtaining user-end current and mains voltage information and performing calculations according to preset conditions, and a first communication module for transmitting information with a master station and a second metering unit (3); The second metering unit (3) is provided with: a second current sampling module for collecting the current of the connected user end and a second communication module for transmitting information with the first metering unit (2).

2. The integrated electric energy meter according to claim 1, characterized in that: The inner wall of the box (1) is provided with a slot (8) for plugging in the second metering unit (3); the second metering unit (3) is pluggable and plugged into the slot (8); the slot (8) is provided with a neutral line plug hole (9), a live line input plug hole (10), a live line output plug hole (11) and a communication plug hole (12); the first metering unit (2) is connected to the neutral line plug hole (9), the live line input plug hole (10), the communication line (6) and the communication line (7) in the slot (8) respectively. The neutral line socket (9) and the live line output socket (11) are electrically connected to the user end through the intelligent circuit breaker (7); the second metering unit (3) is provided with a neutral line socket (13), a live line input socket (14), a live line output socket (15), and a communication socket (16) which are electrically connected to the neutral line socket (9), the live line input socket (10), the live line output socket (11), and the communication socket (12) so as to conduct the circuit and collect and transmit information.

3. The integrated electric energy meter according to claim 1, characterized in that: The first metering unit (2) further comprises: a display screen (17) and an interactive module (18).

4. The integrated electric energy meter according to claim 1, characterized in that: A wiring groove (19) for accommodating a neutral wire (4), a live wire (5), and a communication wire (6) is provided on the inner wall of the box (1).

5. The integrated electric energy meter according to claim 1, characterized in that: The box (1) has an interface (20) on the outside thereof for connecting to the mains electricity. The interface (20) is electrically connected to the first metering unit (2) via a neutral line (4), a live line (5), and a communication line (6).

6. The integrated electric energy meter according to claim 1, characterized in that: The box body (1) has a door (21) for closing the box body (1), one end of the door (21) is hinged to the box body (1), and the other end of the door (21) is provided with an NFC electronic lock (22) that cooperates with the box body (1) for locking.

7. The integrated electric energy meter according to claim 6, characterized in that: The box door (21) is provided with a touch screen (23) electrically connected to the first metering unit (2).

8. The integrated electric energy meter according to claim 1, characterized in that: A wireless communication module is also provided in the first metering unit (2), and the wireless communication module is electrically connected to the first metering unit (2) and uploads the information collected by the first metering unit (2) via wireless communication.

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