CN203838331U - Electric energy meter terminal box and connector - Google Patents

Abstract

The utility model discloses the binding post box and the connector of an electric energy meter, which is connected with a communication adapter through at least four sets of communication interfaces. Detection signals sent by the communication adapter are transmitted through the body of the binding post box to the electric energy meter by a current/voltage binding post so as to realize the data acquisition of the electric energy meter. During the signal detection process, different detection signals can be sent by the communication adapter without the manual clearing and wiring operation, so that required detection signals can be acquired. Therefore, the simultaneous access of both strong current signals and weak current signals of the electric energy meter can be realized. Meanwhile, the problem in the prior art that the manual wiring is required during the reading and error checking process of forward / reverse and active / reactive electric pulse signals of the electric energy meter so as to lower the working efficiency can be solved.

Description

Electric energy meter terminal box and connector

technical field

The utility model relates to the field of electric energy meter wiring, in particular to an electric energy meter terminal box and a connector.

Background technique

With the development of the economy, the reform of the power industry system continues to deepen. The original meter reading method of manual meter reading and statistical settlement does not meet the needs of market commercial operations. energy harvesting system instead. The electric energy meter communicates with the electric energy collection system through wired or wireless means.

The more commonly used communication methods are: infrared communication, wireless communication, wired communication, power line carrier communication, etc. Infrared communication is easily interfered by external light sources and the communication distance is short, so it is mainly used for on-site transcription and setting of electric energy meters; wireless communication and power line carrier communication will be related to signals such as protection and telemetry in the power system and even various electrical appliances in the power network. Interference and mutual influence, therefore, the application in electric energy meter communication is limited; and the wired communication method has the characteristics of high transmission efficiency and good reliability, so it is widely used in electric energy meter communication.

In the on-site calibration of the electric energy meter and on-site troubleshooting of the electric energy meter, it is usually necessary to use the electric pulse output port of the electric energy meter for wiring, and the communication and electric pulse interface wiring methods of the electric energy meter of different manufacturers and models are different. It is necessary to perform communication or electric pulse operation wiring on the metering and testing personnel at the work site of the electric energy meter, which makes the work efficiency of field error detection or communication fault finding of the electric energy meter low.

Utility model content

In view of this, the utility model provides a terminal box and a connector for electric energy meters to solve the problem that manual wiring is required in the prior art, which makes the field detection of electric energy meters or communication fault finding work inefficient. The specific scheme is as follows:

A connection terminal box for an electric energy meter, which is respectively connected with a communication adapter and an electric energy meter, comprising:

The communication interface connected to the communication adapter, the current and voltage terminals respectively connected to the energy meter of the communication interface, the communication interface and the current and voltage terminals are respectively arranged on the terminal box body,

The communication interface is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter;

The terminal box body is used to transmit the detection signal sent by the communication adapter;

The current and voltage terminal sends the detection signal to the electric energy meter for data collection and transmission.

Further, it also includes: each group of interfaces of the communication interfaces is composed of 2 interfaces.

Further, it also includes: the communication interface is a detachable structure.

Further, the terminal box body is made of insulating material.

Further, the body of the terminal box is a cuboid structure.

A connector, which is respectively connected with the electricity detection instrument and the electric energy meter, including:

A communication adapter connected to the electricity detection instrument, a terminal box of an electric energy meter respectively connected to the communication adapter and the electric energy meter,

The communication adapter at least includes: 4 groups of pins, which receive different detection signals sent by the electricity detection instrument, and send the detection signals to the terminal box of the electric energy meter;

The electric energy meter terminal box includes: a communication interface connected to the communication adapter, a current and voltage terminal respectively connected to the communication interface and the electric energy meter, and the communication interface and the current and voltage terminal are respectively arranged in the terminal box ontology,

The communication interface is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter;

The terminal box body is used to transmit the detection signal sent by the communication adapter;

The current and voltage terminal sends the detection signal to the electric energy meter for data collection and transmission.

Further, it also includes: each group of interfaces of the communication interfaces is composed of 2 interfaces.

Further, it also includes: the communication interface is a detachable structure.

Further, the terminal box body is made of insulating material.

Further, the body of the terminal box is a cuboid structure.

It can be seen from the above technical scheme that the electric energy meter terminal box and the connector disclosed in the utility model are connected to the communication adapter through at least four communication interfaces of the interface, and the communication adapter is sent by the current and voltage terminals through the terminal box body. The detection signal is transmitted to the electric energy meter to realize the data collection of the electric energy meter. This solution realizes that in the process of signal detection, when the communication adapter sends different detection signals, the signal to be detected can be obtained without manual disconnection and wiring, and the simultaneous access of strong and weak signals of the electric energy meter is realized, avoiding In the process of reading the positive and negative active and reactive electric pulse signals of the electric energy meter and verifying the error, manual wiring is required, which leads to the problem of low work efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic structural view of a terminal box for an electric energy meter disclosed in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a connector disclosed in an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

This embodiment discloses a connection terminal box for an electric energy meter, the schematic diagram of which is shown in Figure 1, including:

The communication interface 11 connected to the communication adapter, the current and voltage terminal 13 respectively connected to the communication interface 11 and the electric energy meter, the communication interface 11 and the current and voltage terminal 13 are respectively arranged on the terminal box body 12 .

Wherein, the communication interface 11 is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter.

Each group of communication interfaces 11 is composed of 2 interfaces.

The communication adapter sends detection signals to the terminal box to detect various parameter information of the electric energy meter. The communication adapter transmits different detection signals through each set of interfaces of the communication interface 11 . In order to realize the transmission and detection of multiple sets of different detection signals without manual wiring alone.

The junction box body 12 is used to transmit the detection signal sent by the communication adapter.

The terminal box body 12 is preferably made of insulating material, which is convenient for plug-in connection with the communication adapter; preferably, the terminal box body 12 is a rectangular parallelepiped structure, and the length of the rectangular parallelepiped structure is longer, so as to be applicable to more communication interfaces.

The current and voltage terminals 13 send detection signals to the electric energy meter for data collection and transmission.

The current and voltage terminal 13 implements sampling of current and voltage.

The electric energy meter terminal box disclosed in this embodiment is connected to the communication adapter through the communication interface of at least four groups of interfaces, and through the terminal box body, the detection signal sent by the communication adapter is transmitted to the electric energy meter by the current and voltage terminals, so as to realize the monitoring of electric energy. Collection of table data. This solution realizes that in the process of signal detection, when the communication adapter sends different detection signals, the signal to be detected can be obtained without manual disconnection and wiring, and the simultaneous access of strong and weak signals of the electric energy meter is realized, avoiding In the process of reading the positive and negative active and reactive electric pulse signals of the electric energy meter and verifying the error, manual wiring is required, which leads to the problem of low work efficiency.

Preferably, in the electric energy meter terminal box disclosed in this embodiment, the communication interface 11 is a detachable interface, which facilitates the repair and replacement of the communication interface 11 .

This embodiment discloses a connector, which is respectively connected to the electricity detection instrument and the electric energy meter. The schematic diagram of the interface is shown in Figure 2, including:

A communication adapter 21 connected to the electricity detection instrument, and an electric energy meter terminal box 22 respectively connected to the communication adapter 21 and the electric energy meter.

The communication adapter 21 includes at least four groups of pins, which receive different detection signals connected to the electricity detection instrument, and send the detection signals to the terminal box 22 of the electric energy meter.

The electric energy meter terminal box 22 includes: a communication interface connected to the communication adapter 21, a current and voltage terminal respectively connected to the communication interface and the electric energy meter, and the communication interface and the current and voltage terminal are respectively arranged on the terminal box body.

Wherein, the communication interface is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter.

Each group of communication interfaces consists of 2 interfaces.

The communication adapter sends detection signals to the terminal box to detect various parameter information of the electric energy meter. The communication adapter transmits a different detection signal through each set of interfaces of the communication interface. In order to realize the transmission and detection of multiple sets of different detection signals without manual wiring alone.

The terminal box body is used to transmit the detection signal sent by the communication adapter.

The body of the terminal box is preferably made of insulating material, which is convenient for plug-in connection with the communication adapter; preferably, the body of the terminal box is a cuboid structure, and the length of the cuboid structure is relatively long, so as to be suitable for more communication interfaces.

The current and voltage terminals send detection signals to the energy meter for data collection and transmission.

The current and voltage terminals realize the sampling of current and voltage.

The connector disclosed in this embodiment is used in conjunction with the terminal box of the electric energy meter through the communication adapter to realize the measurement of the signals of the electric energy meters of different manufacturers and models, including the measurement of the positive and negative electric pulse signals of the electric energy meter. Reading and state detection unify the interface specifications of the instrument, realize simultaneous sampling of strong and weak electrical signals, and at the same time, realize the goal of sampling without changing the wiring of at least 4 circuits in the energy meter communication, effectively reducing on-site work Time, improve the efficiency of electric energy meter on-site inspection, fault investigation and other work.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related information, please refer to the description of the method part.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A terminal box for an electric energy meter, which is connected to a communication adapter and an electric energy meter respectively, is characterized in that, comprising: The communication interface connected to the communication adapter, the current and voltage terminal connected to the communication interface and the electric energy meter respectively, the communication interface and the current and voltage terminal are both arranged on the terminal box body, The communication interface is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter; The terminal box body is used to transmit the detection signal sent by the communication adapter; The current and voltage terminal sends the detection signal to the electric energy meter for data collection and transmission. 2. The electric energy meter terminal box according to claim 1, further comprising: each group of the communication interfaces consists of two interfaces. 3. The electric energy meter terminal box according to claim 1, further comprising: the communication interface is a detachable structure. 4. The terminal box for electric energy meter according to claim 1, characterized in that, the body of the terminal box is made of insulating material. 5. The connection terminal box for electric energy meter according to claim 1, characterized in that, the body of the connection terminal box is a cuboid structure. 6. A connector, which is connected to the electricity detection instrument and the electric energy meter respectively, is characterized in that, comprising: A communication adapter connected to the electricity detection instrument, a terminal box of an electric energy meter respectively connected to the communication adapter and the electric energy meter, The communication adapter at least includes: 4 groups of pins, which receive different detection signals sent by the electricity detection instrument, and send the detection signals to the terminal box of the electric energy meter; The electric energy meter terminal box includes: a communication interface connected to the communication adapter, a current and voltage terminal respectively connected to the communication interface and the electric energy meter, and the communication interface and the current and voltage terminal are respectively arranged in the terminal box ontology, The communication interface is composed of at least four groups of interfaces, which are used to connect with the communication adapter and receive various detection signals sent by the communication adapter; The terminal box body is used to transmit the detection signal sent by the communication adapter; The current and voltage terminal sends the detection signal to the electric energy meter for data collection and transmission. 7. The connector according to claim 6, further comprising: each group of the communication interfaces consists of two interfaces. 8. The connector according to claim 6, further comprising: the communication interface is a detachable structure. 9. The connector according to claim 6, wherein the terminal box body is made of insulating material. 10. The connector according to claim 6, wherein the body of the terminal box is a cuboid structure.