CN215894746U

CN215894746U - Single-phase self-powered electric energy metering module

Info

Publication number: CN215894746U
Application number: CN202121660461.3U
Authority: CN
Inventors: 朱凌锋; 徐振国
Original assignee: Zhejiang Yongtailong Electronic Co ltd
Current assignee: Zhejiang Yongtailong Electronic Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-02-22
Anticipated expiration: 2031-07-21

Abstract

The utility model provides a single-phase self-powered electric energy metering module which comprises a module body, wherein the module body comprises a metering circuit, a power supply circuit connected with the metering circuit and an isolation circuit, and the module body is provided with a power supply socket connected with the power supply circuit, a communication socket connected with the isolation circuit and a sampling socket connected with the metering circuit. According to the utility model, the metering unit part is independently designed into a module, free combination is supported, and different customization requirements of various users can be met; moreover, since the module type can be freely combined, the stock can be produced and prepared in advance, and the distribution speed of the customized customers can be improved.

Description

Single-phase self-powered electric energy metering module

Technical Field

The utility model belongs to the technical field of power supply electric power sensor modules, and particularly relates to a single-phase self-powered electric energy metering module.

Background

With the progress and development of scientific technology, the demand of people on energy conservation and emission reduction is increasingly increased, and the benefits of energy conservation and emission reduction are obvious, so that the expenditure can be reduced economically, the environment can respond to green sustainable development, and the living space of people is optimized. And the electric energy meter is the most intuitive way for observing whether the electricity is saved or not.

With the increasing living standard, people put forward more functional demands on the electricity meter, and the design importance is shown. However, designing a device usually takes a long time, and a long design period is disadvantageous to the delivery and time cost of the product, so that the modular design is a good development direction. According to the requirements of customers, technicians can flexibly match various modules to achieve the effect customized by the customers, and even can reduce the technical requirements on developers and the technical difficulty of the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a single-phase self-powered electric energy metering module.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a single-phase self-powered electric energy metering module, includes the module body, the module body include metering circuit, connect in metering circuit's supply circuit and isolating circuit, the module body on have connect in supply circuit's power socket, connect in isolating circuit's communication socket and connect in metering circuit's sampling socket.

In the above single-phase self-powered electric energy metering module, the module body further has a wireless socket connected to the metering circuit.

In the above single-phase self-powered electric energy metering module, the wireless socket is used for a user to connect an external wireless module according to the requirement.

In the above single-phase self-powered electric energy metering module, the communication socket is used for a user to connect with an external main control module according to the requirement.

In the above single-phase self-powered electric energy metering module, the sampling socket is a shunt socket for a user to connect an external shunt according to the requirement.

In the above single-phase self-powered electric energy metering module, the module body includes a PCB board, and the power supply circuit, the isolation circuit and the metering circuit are all mounted on the PCB board.

In the above-mentioned single-phase self-powered electric energy metering module, power supply socket, communication socket, sampling socket all install the PCB board on, and power supply socket, communication socket, sampling socket are connected to corresponding power supply circuit, isolating circuit and measuring circuit through tin/copper line on the board respectively.

In the single-phase self-powered electric energy metering module, the PCB is provided with a mounting hole for an external module to be mounted in a vertical direction of the PCB.

In the above single-phase self-powered electric energy metering module, the module body further includes a module housing, the PCB is located in the module housing, and the power supply socket, the communication socket and the sampling socket are all provided on the module housing.

In the above single-phase self-powered electric energy metering module, the power supply circuit includes a surge suppression resistor;

or the PCB board is provided with a surge suppression resistor installation groove.

The utility model has the advantages that: the metering unit part is independently designed into a module, free combination is supported, and different customization requirements of various users can be met; moreover, since the module type can be freely combined, the stock can be produced and prepared in advance, and the distribution speed of the customized customers can be improved.

Drawings

FIG. 1 is a schematic block diagram of a single-phase self-powered power metering module according to the present invention;

fig. 2 is a block diagram of a circuit structure of a single-phase self-powered electric energy metering module combined with external modules according to the present invention.

Reference numerals: a module body 1; a metering circuit 11; a power supply circuit 12; an isolation circuit 13; a power supply jack 14; a communication jack 15; a sampling jack 16; a wireless jack 17; a PCB board 18; a mounting hole 19; an external wireless module 2; an external master control module 3; an external shunt 4; an external power supply 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, the present embodiment provides a single-phase self-powered electric energy metering module, which includes a module body 1, where the module body 1 includes a metering circuit 11, a power supply circuit 12 connected to the metering circuit 11, and an isolation circuit 13, and the module body 1 has a power supply socket 14 connected to the power supply circuit 12, a communication socket 15 connected to the isolation circuit 13, and a sampling socket 16 and a wireless socket 17 connected to the metering circuit 11.

The wireless socket 17 is used for connecting the external wireless module 2 by a user according to the requirement; the communication socket 15 is used for connecting the external main control module 3 by a user according to needs, and the strong metering data of the metering circuit 11 is transmitted to the external main control module 3 through the UART port. The user can select whether to connect the external main control module 3 and the external wireless module 2 according to the function requirement, or select the external main control module 3 or the external wireless module 2 with corresponding models according to the requirement. When this module connects host system, if the electric energy meter of combination needs to be equipped with wireless function, then can adopt host system that has wireless communication function, or connect wireless module on host system, if the user need not connect host system, only need go away the measurement data transmission, then can be through wireless socket 17, lug connection wireless module, realize the wireless transmission of measurement data.

Further, the sampling socket 16 is a diverter socket for the user to connect the external diverter 4 as desired. The user can select any type of diverter as desired.

Specifically, the module body 1 includes a PCB 18, and the power supply circuit 12, the isolation circuit 13 and the metering circuit 11 are mounted on the PCB 18. The power supply socket 14, the communication socket 15, the sampling socket 16 and the wireless socket 17 are all mounted on the PCB 18, and the power supply socket 14, the communication socket 15, the sampling socket 16 and the wireless socket 17 are respectively connected to the corresponding power supply circuit 12, the isolation circuit 13 and the metering circuit 11 through tin/copper wires on the PCB. The sockets can be respectively positioned at various positions of the PCB, and can also be gathered at one position.

Preferably, the PCB 18 is opened with a mounting hole 19 for an external module to be mounted in a vertical direction of the PCB 18. For example, the external main control module 3 can be installed above the PCB 18, so that devices are vertically distributed, the vertical space is fully utilized, the technical problem of material waste caused by space waste is solved, the internal space of the watchcase is effectively utilized, the distance between the module and the module can be reduced to the minimum, the high space utilization capacity can be realized, the PCB material of the watchcase can be greatly saved, the use cost is reduced, and the technical effects of saving earth resources, protecting the earth environment and responding to the global green environmental protection idea are achieved.

Further, the power supply circuit 12 further includes a surge suppression resistor; the surge suppression resistor can adopt a piezoresistor and/or a winding resistor, and can resist the impact of 4000V lightning surge. Alternatively, a surge suppressing resistor mounting groove may be reserved on the PCB board 18. Whether the surge suppression resistor is installed or what kind of surge suppression resistor is selected can be selected according to the needs of users.

Example two

The metering module of this embodiment has a separate module housing in which the PCB board 18 is located, and the power supply jack 14, the communication jack 15, the sampling jack 16, and the wireless jack 17 are all provided on the module housing. The metering module of the first embodiment is suitable for being used in an enterprise at home, namely, the enterprise uses the metering module to be combined with other external modules to form an electric meter customized for a user according to the customization needs of the client. The metering module of the present embodiment is suitable for individual sale, i.e., the customer can purchase the metering module individually for various needs.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the module body 1 is used more herein; a metering circuit 11; a power supply circuit 12; an isolation circuit 13; a power supply jack 14; a communication jack 15; a sampling jack 16; a wireless jack 17; a PCB board 18; a mounting hole 19; an external wireless module 2; an external master control module 3; an external shunt 4; external power source 5, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The single-phase self-powered electric energy metering module is characterized by comprising a module body (1), wherein the module body (1) comprises a metering circuit (11), a power supply circuit (12) connected to the metering circuit (11) and an isolation circuit (13), and the module body (1) is provided with a power supply socket (14) connected to the power supply circuit (12), a communication socket (15) connected to the isolation circuit (13) and a sampling socket (16) connected to the metering circuit (11).

2. The single-phase self-powered electric energy metering module of claim 1, characterized in that the module body (1) further comprises a wireless socket (17) connected to the metering circuit (11).

3. The single-phase self-powered electric energy metering module of claim 2, characterized in that the wireless socket (17) is used for connecting an external wireless module (2) to a user according to requirements.

4. A single-phase self-powered electric energy metering module according to any one of claims 1 to 3, wherein the communication socket (15) is used for a user to connect an external master control module (3) according to the need.

5. The single-phase self-powered electric energy metering module of claim 4, wherein the sampling socket (16) is a shunt socket for a user to connect an external shunt (4) as desired.

6. Single-phase self-powered electric energy metering module according to claim 5, characterized in that said module body (1) comprises a PCB (18), said supply circuit (12), said isolating circuit (13) and said metering circuit (11) being mounted on said PCB (18).

7. The single-phase self-powered electric energy metering module of claim 6, characterized in that the power supply socket (14), the communication socket (15) and the sampling socket (16) are all mounted on the PCB (18), and the power supply socket (14), the communication socket (15) and the sampling socket (16) are respectively connected to the corresponding power supply circuit (12), the isolation circuit (13) and the metering circuit (11) through tin/copper wires on the PCB.

8. The single-phase self-powered electric energy metering module of claim 7, wherein the PCB (18) is provided with a mounting hole (19) for an external module to be mounted in a vertical direction of the PCB (18).

9. The single-phase self-powered electric energy metering module of claim 6, characterized in that the module body (1) further comprises a module housing, the PCB (18) is located in the module housing, and the power supply socket (14), the communication socket (15) and the sampling socket (16) are all opened on the module housing.

10. The single-phase self-powered electric energy metering module of claim 6, characterized in that said supply circuit (12) comprises a surge suppression resistor;

or the PCB (18) is provided with a surge suppression resistor installation groove.