CN205016809U - Experiment socket case - Google Patents

Abstract

The utility model provides an experiment socket case, including box and the aviation socket that matches with the circular connector of cubical switchboard, aviation socket fixes the box outside, the box surface is provided with the through -hole and installs switch binding post, switch binding post with the last wiring end electricity of aviation socket is connected. Through setting up independent experiment socket case, utilize the special circular connector of socket case and switch binding post to connect, connect binding post and experiment test equipment again, improved the stability of test connection, just also reduced test procedure's fault rate, prevent the problem of experimental facilities damage.

Description

An experimental socket box

technical field

The utility model relates to the technical field of power distribution testing, in particular to an experimental socket box.

Background technique

With the advancement of the power grid transformation, the switch cabinets in the substation have also undergone equipment updates, from the past semi-open switch cabinets to the central removable switch cabinets, and the corresponding switch plugs have also become pin-type aviation plugs. Due to the change of the switch plug, the traditional experimental connection equipment is no longer suitable for the new switch. In order to carry out the test experiment of the switchgear, the existing test equipment and the connection interface can only be fixed by crocodile clips, but the connection of this fixing method is not reliable. work efficiency. In addition, the use of crocodile clips may short-circuit adjacent crocodile clips and burn the test equipment, which brings additional losses.

Utility model content

In order to solve the problem that the crocodile clip connection of the existing switchgear test is likely to cause line failure and hinder the normal progress of the experiment, the utility model provides an experimental socket box.

The utility model provides an experimental socket box, which comprises a box body and an aviation socket matched with an aviation plug of a switch cabinet; the aviation socket is fixed on the outside of the box; the surface of the box is provided with a through hole and a switch wiring is installed terminal; the switch terminal is electrically connected to the terminal on the aviation socket.

By setting up an independent experimental socket box, using the special aviation plug of the socket box to connect with the switch terminal, and then connecting the terminal with the experimental test equipment, the stability of the test connection is improved, and the failure rate of the test process is reduced. The problem of damage to experimental equipment.

Optionally, the aviation socket has a buckle for fastening and connecting the aviation plug of the switch cabinet.

The aviation plug of the switch cabinet can be better fixed on the aviation socket by using the buckle.

Optionally, there are multiple pairs of the switch terminals, which are closing terminals, opening terminals, blocking terminals and energy storage terminals.

Optionally, there is also a power terminal for connection of experimental equipment.

Optionally, the power supply terminals are divided into DC power supply terminals and AC power supply terminals.

Optionally, the AC power connection terminals are divided into three-phase connection terminals and two-phase connection terminals.

The three-phase terminal and two-phase terminal machine are set up, and specific power access can be applied according to the conditions of the experimental test equipment or the conditions of the test equipment site.

Optionally, there is also a fuse connected in series with the power terminal.

Setting the fuse can ensure the stability of the line equipment during the test and prevent equipment damage caused by excessive voltage or short circuit of the equipment.

Optionally, it also has a ground terminal.

Optionally, there is also a circuit board fixed inside the box; the circuit board has a connection circuit that conducts the switch terminal and the aviation socket.

Optionally, there is also an indication plate on the outside of the box for indicating the type of the switch terminal.

Description of drawings

Fig. 1 is the schematic diagram of the experimental socket box of the embodiment of the utility model.

detailed description

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is the schematic diagram of the experimental socket box of the embodiment of the present utility model. It can be seen from the figure that the experimental socket box in this embodiment includes a box body 1 and an aviation plug that is fixedly arranged on the outside of the box body 1 and can be matched with the aviation plug of the switch cabinet. socket 2. On the side wall of box body 1, also offer through hole and install switch connection terminal 3, the diameter of the through hole of side wall is identical with the outer diameter of switch connection terminal 3, and switch connection terminal 3 can be fixed in the position of side wall through hole. A large through hole is also provided at the bottom of the box body 1, and the connecting wire connecting the switch terminal 3 and the terminal of the aviation socket 2 passes through the side wall into the inside of the box body 1 through this large through hole and is fixedly connected with the inside of the terminal. When the experimental test is required, the aviation plug of the switch cabinet is plugged into the aviation socket 2, and then the experimental test equipment is connected through the corresponding connecting line to ensure the stability and reliability of the test connection and reduce the failure rate of the test. In order to form an experimental test circuit, two switch terminals 3 need to be set for each type of test, and the two terminals are connected to the supporting terminal of the aviation plug of the switch cabinet, and connected to the experimental test equipment through two connecting lines . As shown in FIG. 1 , the switch terminal 3 in this embodiment is divided into a closing terminal 31 , an opening terminal 32 , a blocking terminal 33 and an energy storage terminal 34 . The terminals of the corresponding two connection terminals are arranged symmetrically up and down on the box body 1 to ensure the convenience of connection. It should be conceivable that the aviation socket 2 can be set in the form of a male head or a female head, which is selected according to the specific shape of the switch plug.

In this embodiment, the aviation socket 2 has buckles, and the buckles can match the aviation plugs of the switch cabinet to fix the aviation plugs. Of course, it is not necessary to provide corresponding buckles, as long as the aviation plug and the aviation socket 2 are reliably connected.

In order to improve the ease of use of the experimental socket box and play the role of indicating the connection, the outside of the box body 1 in this embodiment also has an indicator board of the type of indicator switch terminal 3, which displays each connection with various image marks and text marks. The type of terminal.

In order to improve the reliability of the connection during the test process, especially to prevent safety accidents caused by problems with the strong current connection, the box body 1 of this embodiment is also provided with a power terminal 4 for connecting the external power input and output terminals to the experimental test equipment. Power input and output connections. In this embodiment, the switch test equipment is divided into a DC power terminal and an AC power terminal. Taking the AC terminal as an example, the two vertical terminals on the left side are the two terminals connected to the input 220v AC power, the two vertical terminals on the right side are the two terminals connected to the experimental testing equipment, and the two terminals on the upper side are Two terminal wire connections, two terminal wire connections on the lower side.

In order to facilitate the connection of test equipment with different power supply requirements, the AC power terminal in this embodiment is provided with a three-phase AC terminal to connect the transformer voltage input required by the test equipment. As shown in the figure, the three signs with A, B, and C labels on the side wall of the box body 1 are used for direct connection to three-phase AC power, forming a star connection, and connecting to 100V AC power. Among them, the three signs of A, B, and C correspond to the two terminals in the vertical direction, and the corresponding two terminals are respectively connected to the two ends of the fuse inside the box through wires, and the terminals on the upper side are used to connect the input One pole of the three-phase electricity, the terminal on the lower side is used to connect the voltage connection line of the experimental test equipment. The L terminal and the N terminal are used to form a single-phase delta connection, which is connected to 57.7V AC.

In order to ensure the stability of the experimental test equipment and prevent short circuit or overvoltage from causing damage to the experimental test equipment, fuses are installed at each power input terminal in this embodiment. The fuse automatically blows to form an open circuit and prompts the operator to check the corresponding terminal.

In the embodiment of the utility model, in order to quickly separate each circuit and connect reliably in the process of testing the equipment, the aviation socket 2 and each terminal are connected through circuit board wiring. At the same time, the connection lines between the various power terminals 4 are also arranged on the circuit board and corresponding fuses are provided.

In order to improve the structural strength of the experimental socket box, stainless steel is used as the material of the box body 1 in this embodiment. At the same time, in order to prevent electric shock accidents caused by the short circuit of the box body 1, a grounding terminal 5 is also provided on the box body 1, and the grounding terminal can also be used to connect the experimental testing equipment and connect the experimental testing equipment to ground. In other embodiments, the box body 1 can also be made of insulating materials such as PVC boards.

In addition, it can be seen from the figure that the upper side of the box body 1 in this embodiment has an upper cover, and the upper cover is clamped and fixed on the box body 1 to facilitate maintenance of the test box.

The experimental socket box in the embodiment of the utility model has been introduced in detail above. This paper uses specific examples to illustrate the principle and implementation of the present utility model. The description of the above embodiments is only used to help understand the core idea of the present utility model. Several improvements and modifications are carried out in the new model, and these improvements and modifications also fall within the scope of protection of the utility model.

Claims (10)

1. An experimental socket box, characterized in that: comprise a box body (1) and an aviation socket (2) matched with the aviation plug of the switch cabinet; the aviation socket (2) is fixed on the outside of the box body (1) The surface of the box body (1) is provided with a through hole and a switch terminal (3) is installed; the switch terminal (3) is connected to the terminal on the aviation socket (2). 2. The experimental socket box according to claim 1, characterized in that: the aviation socket (2) has a buckle for fastening and connecting the aviation plug of the switch cabinet. 3. The experimental socket box according to claim 1, characterized in that: there are a plurality of paired switch terminals (3), which are respectively closing terminals (31), opening terminals (32), Blocking connection terminal (33) and energy storage connection terminal (34). 4. The experimental socket box according to claim 3, characterized in that: it also has a power connection terminal (4) for connecting experimental equipment. 5. The experimental socket box according to claim 4, characterized in that: the power supply terminals (4) are divided into DC power supply terminals and AC power supply terminals. 6. The experimental socket box according to claim 5, characterized in that: the AC power terminals are divided into three-phase terminals and two-phase terminals. 7. The experimental socket box according to claim 4, characterized in that: it also has a fuse connected in series with the power terminal (4). 8. The experimental socket box according to claim 4, characterized in that it also has a grounding terminal (5). 9. The experimental socket box according to any one of claims 1-8, characterized in that: it also has a circuit board fixed on the inside of the box body (1); A connection circuit between the terminal (3) and the aviation socket (2). 10. The experimental socket box according to claim 9, characterized in that: there is an indicator board on the outside of the box body (1) for indicating the type of the switch terminal (3).