CN218727613U

CN218727613U - Multi-loop power utilization monitoring device

Info

Publication number: CN218727613U
Application number: CN202222624154.0U
Authority: CN
Inventors: 林仙威; 孙运建; 黄文涛; 肖雪; 崔寅波; 缪松林; 周钰鹏; 王子建; 顾烊宇; 杜景锐; 李英
Original assignee: Acrel Co Ltd; Jiangsu Acrel Electrical Manufacturing Co Ltd
Current assignee: Acrel Co Ltd; Jiangsu Acrel Electrical Manufacturing Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-24
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a multiloop power utilization monitoring device, which comprises a main module and a four-loop three-phase metering module, wherein the main module and the four-loop three-phase metering module are powered by a power supply and communicate with 485 through a network port; the main module comprises an outer shell consisting of a first upper shell and a first lower shell, and an upper plate, a middle plate and a lower plate which are arranged from top to bottom are arranged in the second upper shell; four return circuits three-phase metering module includes the second and goes up the casing, the bottom surface of casing sets up casing under the second on the second, be equipped with nuclear core plate, current transformer and magnetic latching relay in the casing on the second, nuclear core plate passes through metal connection and connects current transformer and magnetic latching relay respectively. The utility model discloses it is small, be convenient for installation and management, accessible magnetic latching relay switching manages user's power consumption.

Description

Multi-loop power utilization monitoring device

Technical Field

The utility model relates to an electricity safety control technical field especially relates to a multiloop power consumption monitoring device.

Background

Along with the rapid development of the market industry, the charging problem of users is also highlighted, and along with the continuous improvement of the integration level of electronic components, people pursue the miniaturization of equipment more and more. In the direction of electricity charging, people begin to take the traditional electric meters away, and choose smaller intelligent pre-payment electric meters.

The ammeter among the prior art ubiquitous volume is too big, installation and wiring difficulty, is unfavorable for the problem of customer's charge. When collecting multiloop information, if adopt single loop ammeter, not only higher in installation and hardware cost, also comparatively complicated to the processing of communication information moreover, it is not efficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the aforesaid not enough, provide an electricity consumption monitoring device in multiloop, convenience of customers is to the power consumption management of shopping mall tenant.

The purpose of the utility model is realized like this:

a multi-loop power utilization monitoring device comprises a main module and four-loop three-phase metering modules, wherein the main module and the four-loop three-phase metering modules are powered by a power supply and communicate with 485 through network ports; the main module comprises an outer shell consisting of a first upper shell and a first lower shell, and an upper plate, a middle plate and a lower plate which are arranged from top to bottom are arranged in the first upper shell; the four-loop three-phase metering module comprises an outer shell consisting of a second upper shell and a second lower shell, wherein the bottom surface of the second upper shell is provided with the second lower shell, a core plate, a current transformer and a magnetic latching relay are arranged in the second upper shell, and the core plate is respectively connected with the current transformer and the magnetic latching relay through metal wiring;

the nuclear core plate comprises an MCU unit, a magnetic latching relay control unit, a 485 communication unit, a metering chip unit, a data storage unit, an LED indicating unit, a current signal acquisition unit and a voltage signal acquisition unit, the MCU unit is mutually connected with the 485 communication unit, the data storage unit and the metering chip unit, the MCU unit is further respectively connected to the magnetic latching relay control unit and the LED indicating unit, and the metering chip unit is respectively connected with the current signal acquisition unit and the voltage signal acquisition unit.

Furthermore, a pin header is arranged between the upper plate and the middle plate for connection.

Further, the current transformer penetrates through a metal copper bar of the magnetic latching relay and is fixed through the inner structure of the second lower shell.

Further, a first flip cover is arranged on the top surface of the first upper shell.

And further, the bottom of the first lower shell is provided with a first locking piece for rail type installation.

And a second locking piece is arranged at the bottom of the second lower shell and used for guide rail type installation.

And a second flip cover is further arranged on the top surface of the second upper shell.

Further, a second flip cover is arranged on the top surface of the second upper shell.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a multiloop power consumption monitoring device, which comprises a main body module and a four-loop three-phase metering module, and is used for power supply and 485 communication through a network port, the length of the four-loop three-phase metering module is 15 modules, the multiloop management monitoring power consumption is safe, the working efficiency is high, and the power consumption of a user can be managed by opening and closing a magnetic latching relay; and four return circuits three-phase metering module support guide rail installation, net twine and connect, convenient mounted position, just the utility model discloses a volume is less, the installation of being convenient for.

Drawings

Fig. 1 is an exploded view of the main module of the present invention.

Fig. 2 is an exploded view of the four-circuit three-phase metering module of the present invention.

Fig. 3 is a functional block diagram of the four-circuit three-phase metering module of the present invention.

Wherein:

the device comprises a first flip cover 1, a first upper shell 2, an upper plate 3, a pin header 4, a middle plate 5, a lower plate 6, a first lower shell 7, a first locking piece 8, a second flip cover 9, a second upper shell 10, a core plate 11, a metal wiring 12, a current transformer 13, a magnetic latching relay 14, a second lower shell 16 and a second locking piece 17.

Detailed Description

For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.

Example 1:

referring to fig. 1-3, fig. 1 depicts a schematic structural view of a main module of the present invention, and fig. 2 depicts a schematic structural view of a four-circuit three-phase metering module of the present invention. As shown in the figure, the utility model relates to a multiloop power consumption monitoring device, it includes main module and four return circuits three-phase metering module, carry out mains operated and 485 communications through the net gape between main module and the four return circuits three-phase metering module.

The main module comprises an outer shell consisting of a first upper shell 2 and a first lower shell 7, the bottom surface of the first upper shell 2 is fixedly connected with the first lower shell 7 through a structural member, the top surface of the first upper shell is provided with a first flip 1, and the bottom of the first lower shell 7 is provided with a first locking member 8 for guide rail type installation; an upper plate 3, a middle plate 5 and a lower plate 6 which are arranged from top to bottom are arranged in the first upper shell 2, and a pin header 4 is arranged between the upper plate 3 and the middle plate 5 for connection.

The four-loop three-phase metering module comprises an outer shell consisting of a second upper shell 10 and a second lower shell 16, wherein a second turnover cover 9 is arranged on the top surface of the second upper shell 10, and a second locking piece 17 is arranged at the bottom of the second lower shell 16 and used for guide rail type installation; a core board 11, a metal wiring 12, a current transformer 13 and a magnetic latching relay 14 are arranged in the second upper shell 10, the core board 11 is connected with the current transformer 13 through a flat cable, the core board 11 is connected with the magnetic latching relay 14 through a metal pin header, and the current transformer 13 penetrates through a metal copper bar of the magnetic latching relay 14 and is fixed through the internal structure of the second lower shell 16; the metal wiring 12 is used for wiring for fixing voltage and current.

The nuclear core plate 11 comprises an MCU unit, a magnetic latching relay control unit, a 485 communication unit, a metering chip unit, a data storage unit, an LED indicating unit, a current signal acquisition unit and a voltage signal acquisition unit, the MCU unit is mutually connected with the 485 communication unit, the data storage unit and the metering chip unit, the MCU unit is further respectively connected to the magnetic latching relay control unit and the LED indicating unit, and the metering chip unit is respectively connected with the current signal acquisition unit and the voltage signal acquisition unit.

The working principle is as follows:

the utility model provides a multi-loop modular monitoring system, which comprises a main body module and a four-loop three-phase metering module, wherein the main body module is provided with Ethernet, 485 communication, LCD (liquid crystal display), radio frequency card swiping, keys, switching value input, switching value output and wireless functions such as 4G, LORA and the like, and a network port interface is reserved for expanding the wireless functions; the four-loop three-phase metering module has the functions of an indicator light, a magnetic latching relay, active pulse output and 485 communication; the power supply and the 485 communication are carried out between the two through the network port. The utility model provides a four return circuits three-phase metering module, length size are 15 moduli, support the guide rail installation, and the net twine is connected, has made things convenient for mounted position, and accessible magnetic latching relay switching comes to manage user's power consumption.

The voltage signal acquisition unit of the four-loop three-phase metering module directly adopts the voltage on the copper bar of the first three-phase loop to convert the voltage into a voltage signal within a chip acceptable range through a voltage type current transformer, the current signal acquisition unit converts the current signal on the copper bar into a voltage signal within the chip acceptable range through the current transformer and sends the voltage signal to a metering chip inside the metering chip unit, then the metering chip unit processes the voltage and current data into abundant electric parameters and electric energy data through a hardware logic algorithm and transmits the electric parameters and the electric energy data to an MCU unit, the electric energy signal is converted into a synchronous electric energy pulse signal while analysis, and the synchronous electric energy pulse signal is output through a pulse output unit for measuring electric energy.

Effectual electric power data that the MCU unit was collected carries out communication transmission to the main part module through 485 communication unit and via the net twine, communication etc. in the LED indicating unit can glimmer simultaneously, magnetic latching relay unit is used for control circuit's break-make, can send disconnection magnetic latching relay order when the MCU unit receives the user arrearage signal that the main part module transmitted, magnetic latching relay separating brake cuts off the power, the LED indicating unit that corresponds the return circuit simultaneously also can light red pilot lamp, the LED indicating unit that corresponds the return circuit after collecting fee also can light green pilot lamp. The data storage unit adopts ferroelectricity to store electric quantity and other various data and states, so that the data storage unit is not lost after power failure.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a multiloop power consumption monitoring device which characterized in that: the device comprises a main module and a four-loop three-phase metering module, wherein the main module and the four-loop three-phase metering module are powered by a power supply and communicate with 485 through a network port; the main module comprises an outer shell consisting of a first upper shell (2) and a first lower shell (7), wherein an upper plate (3), a middle plate (5) and a lower plate (6) are arranged in the first upper shell (2) from top to bottom; the four-circuit three-phase metering module comprises a second upper shell (10) and a second lower shell (16), the second lower shell (16) is arranged on the bottom surface of the second upper shell (10), a core board (11), a current transformer (13) and a magnetic latching relay (14) are arranged in the second upper shell (10), the core board (11) is connected with the current transformer (13) through a flat cable, and is connected with the magnetic latching relay (14) through a metal flat pin;

nuclear core plate (11) include MCU unit, magnetic latching relay control unit, 485 communication unit, measurement chip unit, data storage unit, LED indicating unit, current signal acquisition unit and voltage signal acquisition unit, the MCU unit interconnects with 485 communication unit, data storage unit and measurement chip unit, the MCU unit still is connected to magnetic latching relay control unit and LED indicating unit respectively, measurement chip unit is connected with current signal acquisition unit and voltage signal acquisition unit respectively.

2. A multi-circuit electricity consumption monitoring device in accordance with claim 1, wherein: the upper plate (3) and the middle plate (5) are connected through the pin header (4).

3. A multi-circuit electricity consumption monitoring device in accordance with claim 1, wherein: the current transformer (13) penetrates through a metal copper bar of the magnetic latching relay (14) and is fixed through the internal structure of the second lower shell (16).

4. A multi-circuit electricity consumption monitoring device in accordance with claim 1, wherein: the top surface of the first upper shell (2) is provided with a first flip cover (1).

5. A multi-loop electricity consumption monitoring device as claimed in claim 1, wherein: the bottom of the first lower shell (7) is provided with a first locking piece (8) for guide rail type installation.

6. A multi-circuit electricity consumption monitoring device in accordance with claim 1, wherein: and a second locking piece (17) is arranged at the bottom of the second lower shell (16) and used for guide rail type installation.

7. A multi-circuit electricity consumption monitoring device in accordance with claim 1, wherein: and a second flip cover (9) is arranged on the top surface of the second upper shell (10).