CN104897936A - Junction box with load for replacing metering device - Google Patents

Abstract

The invention provides a junction box for replacing metering devices with load, aiming at solving the problem of needing to cut off power when replacing metering devices in the prior art, including a box body, a short-circuit plug, two live wire terminals, two neutral wires Terminals; the live wire terminal is connected between the live wire and the live wire connector of the corresponding metering device, and the neutral wire terminal is connected between the neutral wire and the corresponding neutral wire connector of the metering device; the live wire terminal is all set on the box body, and the neutral wire The terminals are all arranged on the box body; the box body is provided with a jack matching the short-circuit plug, the two live wire terminals are conducted through the short-circuit plug, and the two zero-line terminals are conducted through the short-circuit plug. In the present invention, the box body, two live wire terminal posts and two neutral wire terminal posts connect the live wire and the neutral wire with the metering device; when the short-circuit plug is inserted, the current of the live wire and the neutral wire passes through the short-circuit plug instead of the metering device , When replacing the metering device, the user will not cut off the power; it makes it more convenient for the user to use electricity.

Description

A junction box for replacing metering devices with load

technical field

The invention relates to a junction box for replacing a metering device with load.

Background technique

With the rapid development of social economy, the demand for continuity and stability of power quality is constantly increasing. At present, when the staff replaces the metering equipment, due to the basic structural design and technical reasons, the staff must first cut off the normal power consumption of the user before the replacement, and then restore it after the end. caused a power outage for the user. Although the time is not long, it will cause the user to call for inquiries if it is mild, and it will cause complaints from users if it is serious, and even damage the electrical appliances in the user's home.

Contents of the invention

The invention provides a junction box for replacing a metering device with load, aiming at solving the problem in the prior art that the metering device needs to be cut off when replacing the metering device.

In order to solve the above technical problems, the present invention is realized through the following technical solutions: a junction box for replacing metering devices with load, including a box body, a short-circuit plug, two live wire terminals, and two neutral wire terminal posts; the live wire terminal posts are connected to Between the live wire and the live wire connector of the corresponding metering device, the zero wire terminal is connected between the zero wire and the corresponding metering device zero wire connector; the live wire terminals are all set on the box body, and the zero line terminals are all set on the box body. On the body; the box body is provided with a jack matching the short-circuit plug, the two live wire terminals are connected through the short-circuit plug, and the two neutral-line terminals are connected through the short-circuit plug.

Further, the short-circuit plug is composed of a base body, a live wire conductive sheet and a neutral wire conductive sheet, and the live wire conductive sheet and the neutral wire conductive sheet are both fixedly connected to the base body; the structure is simple and easy to disassemble.

Further, there are two conductive sheets of the live wire, and an electric energy metering device is connected between the two conductive sheets of the live wire; there are three jacks, and the conductive sheet of the neutral wire is plugged into one of the jacks and connected to the two zero wire terminal posts. The two live wire conductive strips are respectively plugged into the other two jacks, and the two live wire conductive strips are respectively in contact with the two live wire terminal posts; the electric energy metering device is used to measure the user during the meter change The amount of power used.

Further, the zero line terminal is composed of a No. 1 body, a No. 1 rod body, and a No. 1 elastic clip; the No. 1 rod body is arranged on the front side of the No. 1 body, and the No. 1 elastic clip of one of the zero line terminals is fixed Connected to the left side wall of the No. 1 body, and the No. 1 elastic clip of the other zero line terminal is set on the right side wall of the No. 1 body; the neutral line conductive piece is inserted between the two No. 1 elastic clips ; The top of the No. 1 body is provided with a No. 1 threaded hole, and the rear of the No. 1 body is provided with a No. 1 wire connecting hole.

Further, the No. 1 elastic clip is provided with interval grooves; it facilitates more effective contact and increases electrical conductivity.

Further, the live wire terminal is composed of No. 2 body, No. 2 rod body, and No. 2 elastic clip; the No. 2 rod body is arranged on the front side of the No. 2 body, and the No. 2 elastic clip of the live wire terminal is fixedly connected to the No. 2 The side wall of the body; the live wire conductive sheet is inserted between the No. 2 body and the No. 2 elastic clip; the No. 2 threaded hole is provided on the top of the No. 2 body, and the No. hole.

Further, the No. 2 elastic clip is provided with a separation groove, which facilitates more effective contact and increases electrical conductivity.

Compared with the prior art, the present invention has the advantages that: the box body, two live wire binding posts and two neutral line binding posts in the present invention connect the live wire and the neutral wire with the metering device; The current of the line passes through the short-circuit plug instead of the metering device. When the metering device is replaced, the user will not be powered off; it is more convenient for the user to use electricity.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation after removing box body of the present invention;

Fig. 3 is the structural representation when plug is not installed among the present invention;

Fig. 4 is the structural representation of box body in the present invention;

Fig. 5 is a structural schematic diagram of the zero line terminal in the present invention;

Fig. 6 is a structural schematic diagram of the live wire terminal in the present invention.

Detailed ways

Referring to Figures 1 to 6, a junction box for replacing a metering device with load includes a box body 1, a short-circuit plug 4, two live wire terminal posts 2, and two neutral line terminal posts 3; the live wire terminal posts 2 are connected between the live wire and the Between the live wire connectors corresponding to the metering device, the zero wire terminal 3 is connected between the zero wire and the corresponding metering device zero wire connector; the live wire terminals 2 are all set on the box body 1, and the zero line terminal 3 is all set On the box body 1; the box body 1 is provided with a jack 11 matching the short-circuit plug 4, the two live wire terminals 2 are conducted through the short-circuit plug 4, and the two zero-line terminal posts 3 are conducted through the short-circuit plug 4 . The short-circuit plug 4 is composed of a base body 41 , a live wire conductive sheet 42 and a neutral wire conductive sheet 43 , and the live wire conductive sheet 42 and the neutral wire conductive sheet 43 are both fixedly connected to the base body 41 . There are two live wire conductive sheets 42, and an electric energy metering device 5 is connected between the two live wire conductive sheets 42; there are three jacks 11, and the neutral line conductive sheet 43 is inserted in one jack 11 and connected to two Both the zero wire terminals 3 are in contact with each other, and the two live wire conductive strips 42 are respectively plugged into the other two sockets 11 , and the two live wire conductive strips 42 are respectively in contact with the two live wire terminal posts 2 . The zero line terminal 3 is composed of a No. 1 body 31, a No. 1 rod body 32, and a No. 1 elastic clip 33; the No. 1 rod body 32 is arranged on the front side of the No. 1 body 31. The No. 1 elastic clip 33 is fixedly connected to the left side wall of the No. 1 body 31, and the No. 1 elastic clip 33 of another zero line terminal 3 is arranged on the right side wall of the No. 1 body 31; Connected between two No. 1 elastic clips 33 ; No. 1 threaded hole 34 is provided on the top of No. 1 body 31 , and No. 1 wire connection hole 35 is provided at the rear of No. 1 body 31 . The No. 1 elastic clip 33 is provided with a spacer groove 36 . The live wire terminal 2 is composed of a No. 2 body 21, a No. 2 rod body 22, and a No. 2 elastic clip 23; the No. 2 rod body 22 is arranged on the front side of the No. 2 body 21, and the No. 23 is fixedly connected to the side wall of the No. 2 body 21; the live wire conductive sheet 42 is inserted between the No. 2 body 21 and the No. 2 elastic clip 23; the No. 2 threaded hole 24 is provided above the No. 2 body 21 , the rear of the No. 2 body 21 is provided with a No. 2 wire connecting hole 25 . The second elastic clip 23 is provided with a separation groove 26 . The two No. 1 rod bodies 32 are both semi-cylindrical copper columns, and the two No. 2 rod bodies 22 are both semi-cylindrical copper columns.

The two live wire terminal posts 2 and the two neutral line terminal posts 3 are respectively plugged into the four positioning holes 12 on the box body 1 . Then be fixed on the box body 1 with bolts.

Box body 1, two live wire terminal posts 2, and two neutral line terminal posts 3 are directly plugged into the metering device during normal use, and are used to connect the wire and the metering device; when the metering device needs to be replaced, the short-circuit plug The zero line conductive sheet 43 on 4 and the two live line conductive sheets 42 are plugged into three corresponding jacks 11 respectively; the metering device is short-circuited, so that the user will not cut off the power when replacing the metering device.

The above is only a specific embodiment of the present invention, but the technical characteristics of the present invention are not limited thereto, any changes or modifications made by those skilled in the art within the field of the present invention are covered by the patent scope of the present invention among.

Claims (7)

1. on-load changes a measuring apparatus terminal box, it is characterized in that: comprise box body (1), short circuit plug (4), two firewire binding posts (2), two zero line binding posts (3); Firewire binding post (2) is connected between live wire and the live wire joint of corresponding measuring apparatus, and zero line binding post (3) is connected between zero line and corresponding measuring apparatus zero line joint; Described firewire binding post (2) is all arranged on box body (1), and zero line binding post (3) is all arranged on box body (1); Described box body (1) is provided with the jack (11) matched with short circuit plug (4), two firewire binding posts (2) are by short circuit plug (4) conducting, and two zero line binding posts (3) are by short circuit plug (4) conducting.

2. a kind of on-load according to claim 1 changes measuring apparatus terminal box, it is characterized in that: described short circuit plug (4) is made up of matrix (41), live wire conductive (42) and neutral wire conductive (43), described live wire conductive (42) and neutral wire conductive (43) are all connected on matrix (41).

3. a kind of on-load according to claim 2 changes measuring apparatus terminal box, it is characterized in that: described live wire conductive (42) has two, is connected with electric power meter (5) between two live wire conductive (42); Described jack (11) has three, neutral wire conductive (43) to be plugged in a jack (11) and all to touch with two zero line binding posts (3), two live wire conductive (42) are plugged in two other jacks (11) respectively, and two live wire conductive (42) touch with two firewire binding posts (2) respectively.

4. a kind of on-load according to claim 3 changes measuring apparatus terminal box, it is characterized in that: described zero line binding post (3) is made up of a body (31), the body of rod (32), an elastic clip (33); A described body of rod (32) is arranged on body (31) front side, an elastic clip (33) of one of them zero line binding post (3) is connected in the left side wall of a body (31), and an elastic clip (33) of another one zero line binding post (3) is arranged on the right side wall of a body (31); Described neutral wire conductive (43) is plugged between two No. one elastic clip (33); The top of a body (31) is provided with a threaded hole (34), and the rear of a body (31) is provided with a wire connection hole (35).

5. a kind of on-load according to claim 4 changes measuring apparatus terminal box, it is characterized in that: a described elastic clip (33) is provided with interval trough (36).

6. a kind of on-load according to claim 3 changes measuring apparatus terminal box, it is characterized in that: described firewire binding post (2) is made up of No. two bodies (21), No. two bodies of rod (22), No. two elastic clips (23); Described No. two bodies of rod (22) are arranged on No. two body (21) front sides, and No. two elastic clips (23) of firewire binding post (2) are connected in the sidewall of No. two bodies (21); Described live wire conductive (42) is plugged between No. two bodies (21) and No. two elastic clips (23); The top of described No. two bodies (21) is provided with No. two threaded holes (24), and the rear of No. two bodies (21) is provided with No. two wire connection holes (25).

7. a kind of on-load according to claim 6 changes measuring apparatus terminal box, it is characterized in that: described No. two elastic clips (23) are provided with separation trough (26).