CN211785713U

CN211785713U - Novel terminal box structure

Info

Publication number: CN211785713U
Application number: CN201921817997.4U
Authority: CN
Inventors: 赖济民; 毛犇; 胡钱波; 魏章波; 金海波; 喻臻翔
Original assignee: Ningbo Sanxing Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd
Priority date: 2019-02-22
Filing date: 2019-10-25
Publication date: 2020-10-27
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a novel end button box structure, including the end button box body, this internal storage tank that is used for holding binding post that is provided with of end button box, its characterized in that: the terminal box comprises a terminal button box body, wherein a wall plate of the containing groove is provided with a heat dissipation opening convenient for heat dissipation of a terminal block, the terminal block is contained in the containing groove, and the terminal block is located on the outer side of the heat dissipation opening of the terminal button box body. Compared with the prior art, the utility model has the advantages of: offer the thermovent that makes things convenient for the heat dissipation on the diapire of novel terminal box to make the heat of each component in the terminal box better dispel away, thereby avoid the high temperature of the component in the terminal box, reduced the probability that burns the table and take place.

Description

Novel terminal box structure

Technical Field

The utility model relates to an electric energy meter technical field, concretely relates to novel terminal box structure.

Background

An electric energy meter is an instrument for measuring electric energy, is also called a watt-hour meter, a fire meter and a kilowatt-hour meter, is an instrument for measuring various electric quantities, and is widely applied to measuring the electric power consumption of families, enterprises, offices or factories and the like.

In the prior art, an end button box is arranged on an electric energy meter, the end button box is usually arranged on a base of the electric energy meter, various components such as a voltage terminal and a functional terminal are arranged in the end button box, wherein the voltage terminal is in a copper terminal form, for example, the end button box assembly of a three-phase electric energy meter in the patent of Chinese utility model with the patent number of CN201721315865.2 (the publication number of CN207318556U) comprises an end button box, a relay and mutual inductor assembly, 4 voltage connector assemblies and a circuit board; the left side and the right side of the terminal box are respectively provided with a clamping hook and 2 positioning columns, the relay and mutual inductor assembly comprises a relay assembly and 3 current mutual inductors, and each current mutual inductor is provided with 2 connecting pins; each current transformer all is connected with the relay subassembly electricity, relay subassembly, each current transformer, each voltage joint subassembly and circuit board all are connected with the terminal button box, and trip, 2 reference columns and each connecting pin all are connected with the circuit board. Moreover, the terminal box in the prior art is internally provided with the wiring terminals, and in the long-term use process, elements such as the wiring terminals in the terminal box generate heat, so that the heat in the terminal box is difficult to dissipate, and the situation of meter burning may occur due to overhigh temperature of the elements in the terminal box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, provide a make things convenient for binding post heat dissipation in the terminal button box to prevent binding post's high temperature, and then reduce the novel terminal button box structure of fever table probability.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a novel end button box structure, including the end button box body, this internal storage tank that is used for holding binding post that is provided with of end button box, its characterized in that: the wall plate of the containing groove is provided with a heat dissipation opening convenient for heat dissipation of the wiring terminal, and the wiring terminal is located outside the heat dissipation opening when the wiring terminal is contained in the containing groove.

In order to better dissipate heat of the elements in the terminal box, the bottom wall of the terminal box body is provided with an opening which is convenient for heat dissipation at a position adjacent to the accommodating groove.

The end button box can adopt integrated into one piece structure, also can adopt detachable structure, the end button box body is including lid and the box body that top-down arranged in proper order, the lid can be covered and is established on the box body, be in at lid and box body and close and be formed with under the state the storage tank, the thermovent is seted up on the diapire of box body.

The box body and the box cover of the terminal button box can be installed through screws and can also be installed through a buckle structure, the box body and the box cover of the terminal button box can be conveniently installed, and preferably, the box cover is arranged on the box body through the buckle structure.

Buckle structure's concrete adoption form has the multiple, preferably, buckle structure is including setting up the buckle at lid length direction both ends, correspondingly, be provided with on the box body and correspond buckle looks joint complex and detain the hole, the lid is installed through the buckle with the joint cooperation that corresponds to detain the hole on the box body.

In order to conveniently realize the positioning fit between the box body and the box cover, the bottom wall of the box body is provided with a positioning column which extends upwards, correspondingly, the box cover is provided with a positioning hole for the positioning column to be inserted, and the box cover is positioned on the box body through the insertion fit between the positioning column and the corresponding positioning hole. Like this, prevent that dislocation from appearing in the installation of box body and lid to make the counterpoint of box body and lid more accurate.

In order to prevent the current transformer from moving, a mounting groove for mounting the current transformer is formed between the box body and the box cover, the wiring terminal is a current terminal, and the current transformer is positioned between two adjacent current terminals. Therefore, the current transformer can be positioned to a certain degree, so that the possibility of movement of the current transformer in the long-term use process is reduced. In order to enable the current transformer to be stably installed in the installation groove, the bottom surface of the installation groove is an arc-shaped surface which is matched with the bottom of the current transformer and is sunken downwards, and the arc-shaped surface is formed on the box body. In order to realize the electric connection between the current transformer and the current terminals positioned at the two sides of the current transformer, a connecting sheet penetrates through the position of the current transformer, which is adjacent to the center of the current transformer, and the two ends of the connecting sheet are respectively and electrically connected with the current terminals positioned at the two sides of the current transformer.

Compared with the prior art, the utility model discloses the advantage lies in: 1. the bottom wall of the accommodating groove of the novel terminal box is provided with a heat dissipation port convenient for the heat dissipation of the wiring terminal, so that the heat dissipation of the wiring terminal is facilitated, the damage of the wiring terminal in the terminal box due to overhigh temperature is avoided, and the probability of meter burning is reduced; 2. the bottom wall of terminal box body sets up the opening of being convenient for the heat dissipation on the position of neighbouring holding groove, and the existence of open-ended for the heat in the terminal box distributes away better, has further reduced the possibility that the fever table takes place.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

fig. 3 is a schematic perspective exploded view of an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at another angle;

fig. 5 is a schematic structural view of the terminal box body according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a box body according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a box cover according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 8, the utility model discloses a novel end button box structure is including end button box body 1, be provided with in the end button box body 1 with holding binding post 2's storage tank 10, set up the thermovent 101 that is convenient for binding post 2 is radiating on storage tank 10's the wallboard, be in the holding under storage tank 10's state at binding post 2, binding post 2 part is located above-mentioned thermovent 101 outside, in addition, for the heat in the end button box is better dispelled away, the diapire of end button box body 1 is offered the opening 110 of being convenient for heat dissipation on the position of neighbouring storage tank 10. In the present embodiment

In this embodiment, the terminal box body 1 includes a box cover 12 and a box body 11 sequentially arranged from top to bottom, the box cover 12 is covered on the box body 11, the heat dissipation opening 101 and the opening 110 are both opened on the bottom wall of the box body 11, when the terminal 2 is accommodated in the accommodation groove 10, part of the terminal 2 is located below the heat dissipation opening 101, as shown in fig. 6 and 7, a first installation cavity 114 and a second installation cavity 124 are respectively provided on the box body 11 and the box cover 12 for accommodating part of the terminal 2 therein, as shown in fig. 5, the heat dissipation opening 101 is opened in the first installation cavity 114 of the box body 11, and when the box cover 12 and the box body 11 are in a closed state, as shown in fig. 6, the first installation cavity 114 of the box body 11 and the corresponding second installation cavity 124 on the box cover 12 are closed to form the accommodation groove 10.

In this embodiment, the box cover 12 is disposed on the box body 11 through a buckle 121. Specifically, the fastening structure includes fasteners 121 disposed at two ends of the box cover 12 in the length direction, correspondingly, fastening holes 111 are disposed on the box body 11 and are engaged with the corresponding fasteners 121, and the box cover 12 is mounted on the box body 11 through engagement of the fasteners 121 and the corresponding fastening holes 111. In addition, a mounting groove 113 for mounting the current transformer 3 is formed on the bottom wall between the box body 11 and the box cover 12, in this embodiment, the outer side wall of the current transformer is arc-shaped, the bottom surface of the mounting groove 113 facing the current transformer 3 is an arc-shaped surface 1131 which is matched with the bottom of the current transformer 3 and is recessed downwards, and the arc-shaped surface 1131 is formed on the box body 11, as shown in fig. 8. The bottom surface of the mounting groove 113 is the inner side wall of the mounting groove 113. In this embodiment, the connecting terminal 2 is a current terminal, and the current transformer 3 is located between two adjacent current terminals. In addition, a connecting piece 31 penetrates through the current transformer 3 near the center, and two ends of the connecting piece 31 are electrically connected with current terminals on two sides of the current transformer respectively.

In order to better position the box cover on the box body, the bottom wall of the box body 11 is provided with a positioning column 112 extending upwards, correspondingly, the box cover 12 is provided with a positioning hole 122 for the positioning column 112 to be inserted, and the box cover 12 is positioned on the box body 11 through the insertion fit of the positioning column 112 and the corresponding positioning hole 122.

Claims

1. The utility model provides a novel end button box structure, including end button box body (1), be provided with storage tank (10) with holding binding post (2) in end button box body (1), its characterized in that: offer on the wallboard of storage tank (10) be convenient for binding post (2) radiating thermovent (101) binding post (2) are in the holding is in under the state of storage tank (10), binding post (2) part is located the thermovent (101) outside.

2. The novel terminal box structure of claim 1, wherein: an opening (110) convenient for heat dissipation is formed in the position, close to the accommodating groove (10), of the bottom wall of the terminal box body (1).

3. The novel terminal box structure of claim 1, wherein: terminal button box body (1) is including lid (12) and box body (11) that top-down arranged in proper order, lid (12) lid is established on box body (11), be formed with under lid closed state lid (12) and box body (11) storage tank (10), thermovent (101) are seted up on the diapire of box body (11).

4. The novel terminal box structure of claim 3, wherein: the box cover (12) is arranged on the box body (11) through a buckle structure.

5. The novel terminal box structure of claim 4, wherein: buckle structure is including setting up buckle (121) at lid (12) length direction both ends, correspondingly, be provided with on box body (11) and correspond buckle (121) looks joint complex knot hole (111), lid (12) are installed through buckle (121) and the joint cooperation that corresponds knot hole (111) on box body (11).

6. The novel terminal box structure of claim 3, wherein: the bottom wall of the box body (11) is provided with a positioning column (112) extending upwards, correspondingly, the box cover (12) is provided with a positioning hole (122) for the positioning column (112) to be inserted, and the box cover (12) is positioned on the box body (11) through the insertion fit of the positioning column (112) and the corresponding positioning hole (122).

7. The novel terminal box structure of claim 3, wherein: be formed with between box body (11) and lid (12) and be used for installing mounting groove (113) of current transformer (3), binding post (2) are the current terminal, current transformer (3) are located adjacent two between the current terminal.

8. The novel terminal box structure of claim 7, wherein: the bottom surface of mounting groove (113) is for cooperateing with the bottom of current transformer (3), and undercut arcwall face (1131), arcwall face (1131) form be in on box body (11).

9. The novel terminal box structure of claim 7, wherein: and a connecting sheet (31) penetrates through the position of the current transformer (3) adjacent to the center of the current transformer, and two ends of the connecting sheet (31) are respectively and electrically connected with current terminals positioned on two sides of the current transformer (3).