CN218675110U

CN218675110U - Three-phase ammeter

Info

Publication number: CN218675110U
Application number: CN202223091493.3U
Authority: CN
Inventors: 白皞; 王强; 李均铸
Original assignee: Yunnuo Energy Technology Jiangsu Co ltd
Current assignee: Yunnuo Energy Technology Jiangsu Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a three-phase ammeter, include: a partition plate area for bearing terminals is arranged below the bottom shell; and a copper piece seat and a terminal cover are sequentially arranged in front of the partition plate area from inside to outside; a mutual inductor is arranged in the central area in the bottom shell and connected to the terminal, and a PCB is covered on the outer side of the mutual inductor; an upper cover is connected to the front of the PCB on the bottom shell through a fixing piece, a transparent mirror, a communication module and a key are arranged on the upper cover, and the PCB is observed through the transparent mirror; two separated cover plates are arranged on the surface of the upper cover. This application is through having designed disposable mounting, lead seal base and lead seal screw promptly, twist when external force and move the lead seal screw and dismantle, need open the outside disposable lid of lead seal base, and then realize private the record of tearing open. The apron of two outermost separations is disposable apron, through irreversible buckle block, prevents that non-professional from twisting a word copper screw, changes the electric wire.

Description

Three-phase ammeter

Technical Field

The utility model belongs to the technical field of the ammeter technique and specifically relates to a three-phase ammeter is related to.

Background

For convenience of management, the power supply department generally divides residential users according to regions, the electric meters of the users are installed together in a centralized mode through the integrated electric meter boxes, and keys of the electric meter boxes are managed by workers of the power supply department in a unified mode. The integrated electric meter box can be divided into different specifications such as 2-house type, 4-house type, 8-house type and 16-house type according to the number of installed meters, and has the greatest advantage of facilitating meter reading work of a power supply department. Therefore, it is necessary to design an electric meter with one-off tamper resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase ammeter.

To achieve the above object, the present invention adopts the following:

a three-phase electric meter comprising: the bottom shell is provided with a partition plate area for bearing terminals; a copper piece seat and a terminal cover are sequentially arranged in front of the partition plate area from inside to outside; a mutual inductor is arranged in the central area in the bottom shell and connected to the terminal, and a PCB is covered on the outer side of the mutual inductor; an upper cover is connected to the front of the PCB on the bottom shell through a fixing piece, a transparent mirror, a communication module and a key are arranged on the upper cover, and the PCB is observed through the transparent mirror; two separated cover plates are arranged on the surface of the upper cover.

Preferably, the partition board area is provided with a plurality of parallel partition boards, and two sides of each partition board are provided with limiting strips vertical to the bottom shell; and a baffle is arranged below the partition plates, and round holes are formed in the baffle corresponding to the space between every two partition plates.

Preferably, the terminal includes: five hole copper terminals and four hole copper terminals make five hole copper terminals with PCB is all connected to the one end of four hole copper terminals, and the other end is connected in earth connection and external power cord.

Preferably, a straight-line-shaped porous copper screw and a straight-line-shaped non-porous copper screw are arranged in the copper part seat and are respectively inserted into the terminal, so that the straight-line-shaped porous copper screw is connected to the three-phase wire harness.

Preferably, the number of the mutual inductors is three, the mutual inductors are respectively arranged in the bottom shell at different heights, and each mutual inductor is connected to a terminal through a copper bridge; the transformers with the highest horizontal height are connected to terminals at two ends, and the rest transformers are gradually connected from outside to inside in sequence along with the reduction of the horizontal height.

Preferably, the fixing piece is a lead sealing base and a lead sealing screw; the lead sealing screw penetrates through the lead sealing base and the upper cover to be connected with the bottom shell.

Preferably, two transparent cylinders are arranged on the transparent mirror.

The utility model has the advantages of it is following:

1. this application is through having designed disposable mounting, lead seal base and lead seal screw promptly, twist when external force and move the lead seal screw and dismantle, need open the outside disposable lid of lead seal base, and then realize private the record of tearing open.

2. The apron of two outside separations of this application is disposable apron, through irreversible buckle block, prevents that non professional from twisting a word copper screw, changes the electric wire.

3. Be provided with communication module on this application, current appears unusually in the ammeter, can send the signal to power supply department.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a three-phase electric meter according to the present invention.

Fig. 2 is an explosion structure diagram of the three-phase electric meter of the present invention.

Fig. 3 is a schematic view of a bottom case structure of a three-phase electric meter according to the present invention.

Fig. 4 is a schematic structural diagram of the three-phase electric meter with the cover plate and the terminal cover removed.

Fig. 5 is a schematic structural diagram of the three-phase electric meter with the upper cover removed.

Fig. 6 is a schematic structural diagram of the three-phase electric meter with PCB removed.

In the figures, the various reference numbers are:

1-bottom shell, 2-terminal, 201-five-hole copper terminal, 202-four-hole copper terminal, 3-partition area, 301-partition, 302-limiting strip, 303-baffle, 304-round hole, 4-copper piece seat, 401-I-shaped copper screw with holes, 402-I-shaped copper screw without holes, 5-terminal cover, 6-mutual inductor, 601-copper bridge, 7-PCB, 8-fixing piece, 801-lead sealing base, 802-lead sealing screw, 9-upper cover, 10-transparent mirror, 11-communication module, 12-key, 13-cover plate.

Detailed Description

In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, a three-phase electricity meter includes: the terminal structure comprises a bottom shell 1, wherein a partition plate area 3 for bearing a terminal 2 is arranged below the bottom shell 1; a copper piece seat 4 and a terminal cover 5 are sequentially arranged in front of the partition plate area 3 from inside to outside; a mutual inductor 6 is arranged in the central area in the bottom shell 1 and connected to the terminal 2, and a PCB7 covers the outer side of the mutual inductor 6; an upper cover 9 is connected to the front of the PCB on the bottom shell 1 through a fixing part 8, the upper cover 9 is provided with a transparent mirror 10, a communication module 11 and a key 12, and the PCB is observed through the transparent mirror; two separate cover plates 13 are provided on the surface of the upper cover 9.

Further, the partition board area 3 has a plurality of parallel partition boards 301, and both sides of each partition board 301 are provided with a limiting strip 302 perpendicular to the bottom case 1; a baffle plate 303 is arranged below the partition plates 301, and round holes 304 are formed in the baffle plate 303 corresponding to the space between every two partition plates 301.

Further, the terminal 2 includes: the five-hole copper terminal 201 and the four-hole copper terminal 202 enable one ends of the five-hole copper terminal and the four-hole copper terminal to be connected with a PCB, and the other ends of the five-hole copper terminal and the four-hole copper terminal are connected with a grounding wire and an external power line.

Further, a straight-line-shaped porous copper screw 401 and a straight-line-shaped non-porous copper screw 402 are arranged in the copper piece seat 4 and are respectively inserted into the terminal 2, so that the straight-line-shaped porous copper screw 401 is connected to the three-phase wire harness.

Further, the number of the transformers 6 is three, the transformers are respectively arranged in the bottom case 1 at different heights, and each transformer is connected to the terminal 2 through a copper bridge 601; the transformers with the highest horizontal height are connected to terminals at two ends, and the rest transformers are gradually connected from outside to inside in sequence along with the reduction of the horizontal height.

Further, the fixing member 8 is a lead sealing base 801 and a lead sealing screw 802; the lead sealing screw 802 passes through the lead sealing base 801 and the upper cover 9 to be connected to the bottom case 1.

Two transparent cylinders are arranged on the transparent mirror 10.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. A three-phase electric meter comprising: the bottom shell is characterized in that a partition plate area for bearing terminals is arranged below the bottom shell; a copper piece seat and a terminal cover are sequentially arranged in front of the partition plate area from inside to outside; a mutual inductor is arranged in the central area in the bottom shell and connected to the terminal, and a PCB is covered on the outer side of the mutual inductor; an upper cover is connected to the front of the PCB on the bottom shell through a fixing piece, a transparent mirror, a communication module and a key are arranged on the upper cover, and the PCB is observed through the transparent mirror; two separated cover plates are arranged on the surface of the upper cover.

2. The three-phase electric meter according to claim 1, wherein the partition area has a plurality of parallel partitions, and each partition is provided with a limiting bar at both sides thereof, the limiting bar being perpendicular to the bottom case; and a baffle is arranged below the partition plates, and round holes are formed in the baffle corresponding to the space between every two partition plates.

3. A three-phase electricity meter according to claim 1, wherein said terminals include: the five-hole copper terminal and the four-hole copper terminal are connected, one end of each of the five-hole copper terminal and the four-hole copper terminal is connected with the PCB, and the other end of each of the five-hole copper terminal and the four-hole copper terminal is connected with the grounding wire and an external power line.

4. A three-phase electric meter according to claim 3, wherein a straight copper screw with holes and a straight copper screw without holes are provided in the copper member seat and are inserted into the terminals respectively, so that the straight copper screw with holes is connected to the three-phase wire harness.

5. The three-phase electric meter according to claim 1, wherein the number of the mutual inductors is three, the mutual inductors are respectively arranged at different heights in the bottom shell, and each mutual inductor is connected to the terminal through a copper bridge; the transformers with the highest horizontal height are connected to terminals at two ends, and the rest transformers are gradually connected from outside to inside in sequence along with the reduction of the horizontal height.

6. A three-phase electricity meter according to claim 1, wherein said fixing member is a lead seal base, a lead seal screw; the lead sealing screw penetrates through the lead sealing base and the upper cover to be connected to the bottom shell.

7. A three-phase electricity meter according to claim 1, wherein said transparent mirror is provided with two transparent cylinders.