CN202282240U - Wiring terminal of current transformer - Google Patents

Abstract

The utility model discloses a connection terminal for a current transformer, which comprises a connection terminal base, which is connected with the lead wire of the secondary winding of the current transformer. There are terminal holes, and nuts are embedded in the terminal holes. The base of the terminal base is provided with connecting terminals corresponding to the terminal holes. The connecting terminals are used to place the wire terminals, and the nuts are used to compress the wire terminals. One end is connected to the primary winding, and the other end is provided with a wiring hole. When the current transformer is fixed, the plane where the wiring hole of the primary wiring terminal is located is level with the horizontal plane. The terminal hole is a copper terminal hole, and the copper terminal hole is a cylindrical hole. The utility model adopts The nut in the terminal block presses the wiring, the operation is simple and standardized, and the installation process of the secondary wiring is effectively regulated. By changing the position of the primary terminal block and increasing the installation space, the primary wiring process is safer.

Description

Current transformer terminals

technical field

The utility model relates to a current transformer wiring device, in particular to a current transformer primary and secondary terminal device.

Background technique

”形状安装接线，由于人员水平不一致，导致安装不规范等，且固定螺栓较短小，因该形状未做圆导致接线不规范，接线时被压住的导线容易被旋转的螺栓退出线头，产生松动现象，从而使得电流互感器出线与接线端子的形成不可靠的连接；另外，电流互感器的接线柱都裸露在设备外面，接线柱容易与其他导体连接形成通路，也会容易发生触电事故，一次接线端子在互感器一侧不安全，并且一次接线端子在安装时受安装现场条件限制，需要空间较大，大大减轻了劳动强度和提高了校验效率，并可避免意外事故发生。 When installing the secondary line of the existing current transformer secondary wiring terminal, the on-site installer should make a "

"Shape installation and wiring, due to the inconsistent level of personnel, the installation is not standardized, etc., and the fixing bolts are short and small, because the shape is not rounded, the wiring is not standardized, and the wires that are pressed during wiring are easily pulled out of the thread by the rotating bolts, resulting in loosening Phenomenon, so that the connection between the current transformer outlet and the terminal is unreliable; in addition, the terminal of the current transformer is exposed outside the equipment, the terminal is easy to connect with other conductors to form a path, and it is also prone to electric shock accidents. The terminal is not safe on the side of the transformer, and the installation of the primary terminal is limited by the conditions of the installation site, requiring a large space, which greatly reduces labor intensity and improves calibration efficiency, and can avoid accidents.

Therefore, there is a need for a safe and convenient wiring device that can fix and compress the wiring when the current transformer is wired.

Utility model content

In view of this, the technical problem to be solved by the utility model is to provide a safe and convenient wiring device that can fix and press the wiring when the current transformer is wiring.

The utility model is achieved through the following technical solutions:

The current transformer connection terminal provided by the utility model includes a connection terminal block, the connection terminal block is connected with the secondary winding lead-out line of the current transformer, and the connection terminal block includes a terminal block base body, a connection terminal and a nut. The base of the terminal base is provided with a terminal hole, and a nut is embedded in the terminal hole, and the base of the terminal base is provided with a terminal corresponding to the terminal hole, the terminal is used to place the wire terminal, and the nut is used to compress wire terminal.

Further, it also includes a primary connection terminal, one end of the primary connection terminal is connected to the primary winding, and the other end is provided with a connection hole. When the current transformer is fixed, the plane where the connection hole of the primary connection terminal is located is equal to the horizontal plane;

Further, the terminal hole is the copper terminal hole;

Further, the copper terminal hole is a cylindrical hole;

Further, one side of the terminal hole is set as a tapered slope;

Further, the primary connection terminal is arranged in the middle of the current transformer housing.

The beneficial effect of the utility model is that: the utility model adopts the nut in the terminal block to compress the wiring, the operation is simple and standardized, and the installation process of the secondary wiring is effectively regulated, and the installation space is increased by changing the position of the primary terminal block, so that The one-time wiring process is safer.

Other advantages, objectives and features of the present utility model will be set forth in the following description to some extent, and to some extent, based on the investigation and research below, it will be obvious to those skilled in the art, or can be Get teaching from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained by the following description and claims.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural diagram of the current transformer connecting terminal that the utility model embodiment provides;

Fig. 2 is a structural diagram of the terminal block provided by the embodiment of the present invention.

In the figure, 1 is the wiring terminal block, 2 is the terminal base body, 3 is the wiring terminal, 4 is the nut, 5 is the terminal hole, 6 is the wiring hole, and 7 is the current transformer.

Detailed ways

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the utility model, rather than limiting the protection scope of the utility model.

Fig. 1 is the structural diagram of the terminal block of the current transformer provided by the embodiment of the utility model; Fig. 2 is the structural diagram of the terminal block provided by the embodiment of the utility model, as shown in the figure: the wiring of the current transformer provided by the utility model The terminal includes a terminal base 1 and a primary terminal, the terminal base 1 is connected to the lead wire of the secondary winding of the current transformer 7, the terminal base 1 includes a terminal base 2, a terminal 3 and a nut 4, The terminal base 2 is provided with a terminal hole 5, and a nut 4 is embedded in the terminal hole 5, and the terminal base 2 is provided with a connecting terminal corresponding to the terminal hole 5, and the connecting terminal is used to place a wire terminal , the nut 4 is used to compress the wire terminal. One end of the primary connecting terminal is connected to the primary winding, and the other end is provided with a connecting hole 6 . When the current transformer 7 is fixed, the plane where the connecting hole of the primary connecting terminal is located is equal to the horizontal plane.

The terminal hole 5 is the copper terminal hole. The copper terminal hole 5 is a cylindrical hole. One side of the terminal hole 5 is set as a cone with a certain inclination, and the inclination is 13-20°. The primary connection terminal is arranged in the middle of the housing of the current transformer 7 .

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described with reference to the preferred embodiment of the utility model, those of ordinary skill in the art should understand that, Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (6)

1. current transformer binding post; It is characterized in that: comprise terminal block (1); Said terminal block (1) is connected with the secondary winding lead-out wire of current transformer (7), and said terminal block comprises terminal base matrix (2), binding post (3) and nut (4), and said terminal base matrix (2) offers terminal hole (5); Embedded nut (4) in the said terminal hole (5); Said terminal base matrix (2) offers and the corresponding binding post of terminal hole (5) (3), and said binding post (3) is used to place conductor terminal, and said nut (4) is used to compress conductor terminal.

2. current transformer binding post according to claim 1; It is characterized in that: also comprise the primary connection terminal; Said primary connection terminal one end is connected with a winding; The other end is provided with wiring hole, and the plane, wiring hole place of said current transformer (7) primary connection terminal fixedly the time is equal with horizontal plane.

3. current transformer binding post according to claim 2 is characterized in that: said terminal hole (5) is said copper tip hole.

4. current transformer binding post according to claim 3 is characterized in that: said copper tip hole (5) is a cylindrical hole.

5. current transformer binding post according to claim 4 is characterized in that: the cone inclined-plane is arranged in said terminal hole (5) inboard.

6. current transformer binding post according to claim 5 is characterized in that: said primary connection terminal is arranged at current transformer (7) housing centre position.

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