CN210269952U - Novel terminal box structure - Google Patents

Abstract

The utility model discloses a novel end button box structure, including the body of end button box, establish on the body and be used for connecing the control end of establishing the circuit board and be used for connecing the sampling end of establishing the mutual sampler of electric current, still including establishing the wiring end that is used for inserting external voltage and switch-on control end and sampling end on the body, the voltage line inserts from the wiring end department, the body corresponds control end department card and is equipped with the inserted sheet, and a tip of this inserted sheet upwards buckles and forms the kink and is connected with circuit board contact electricity, the other end of inserted sheet connects through wire and wiring end electricity from this internal, the utility model discloses an end button box structure adopts the inserted sheet of buckling direct and circuit board contact and welded structure, can directly aim at with the inserted sheet when conveniently assembling the circuit board to interface position is firm, can realize automated production, improves the efficiency of installation greatly.

Description

Novel terminal box structure

Technical Field

The utility model relates to an electric energy meter technical field specifically is a novel terminal box structure.

Background

With the development of society, the demand of market electric energy meters is continuously increased, and how to improve the production efficiency of the electric energy meters on the premise of ensuring the quality of the electric energy meters is a problem which needs to be considered by manufacturers.

In the prior art, one end of the electric energy meter terminal box connected with a voltage line is fixed by adopting a connecting column with a hole to match with a screw, and the other end of the electric energy meter terminal box is directly welded with a circuit board through a wire; the fastening screw needs to be screwed in the wiring process, the operation amount of the whole process is large, the installation position of the electric energy meter is high, the wiring mode undoubtedly brings unnecessary troubles to later maintenance, the workload of workers is increased, and the human capital is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel terminal box structure to the circuit board assembly degree of difficulty that proposes in solving above-mentioned background art is high, reduces the production efficiency problem.

In order to achieve the above object, the utility model provides a following technical scheme, a novel end button box structure, including the body of end button box, establish and be used for connecing the control end of establishing the circuit board and be used for connecing the sample connection of establishing the mutual sampler of electric current on the body, still including establishing the wiring end that is used for inserting external voltage and switch-on control end and sample connection on the body, the voltage line inserts from wiring end department, the body corresponds control end department card and is equipped with the inserted sheet, and a tip of this inserted sheet upwards buckles and forms the kink and contact the electricity with the circuit board and be connected, the other end of inserted sheet is from this internal wiring and wiring end electricity connection through the wire.

Preferably, the control end is the slot of integrated into one piece in the main part, an end card of inserted sheet is established in the slot, and another tip of this inserted sheet exposes outside the slot and upwards buckles and form the kink, the inserted sheet passes through kink and circuit board contact and welded fastening.

Preferably, the wire corresponds the one end and the inserted sheet riveting of inserted sheet, and the one end riveting that this wire corresponds the wiring end has the soldering lug, the wire has connect through the soldering lug and has led on the post, it has the screw socket to open on the post to lead on, should lead on the post through screw from screw socket and wiring end fixed connection.

Preferably, the sampling end comprises at least 1 pair of current phase inlet, current phase outlet and zero line port, the wiring terminal is fixed at the current phase inlet and the zero line port through screws, a voltage connecting sheet is connected between the wiring terminal corresponding to the current phase inlet and the conduction column through screws, and the wiring terminal is connected with the sampling end and the control end through the voltage connecting sheet.

Preferably, a conducting piece is riveted at the position of the lead corresponding to the zero line port, an interface is arranged at the position of the conducting piece, and the lead is electrically connected with the zero line port through the conducting piece.

Preferably, the terminal is a copper column, and the copper column is fixed at the current phase inlet through a screw.

Preferably, the corresponding junction of both ends of the wire is wrapped with a high-pressure resistant insulating heat-shrinkable sleeve.

Preferably, the angle of the bending part formed by bending the insert is 45-135 degrees.

Preferably, the conduction column and the wiring terminal are both made of copper materials, and the outer surfaces of the conduction column and the wiring terminal are both plated with nickel.

Preferably, the main body is further provided with a functional connecting end, and the functional connecting end can be connected with a pulse, pulse per second or 485 line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an end button box structure adopts the inserted sheet of buckling direct and circuit board contact and welded structure, can directly aim at with the inserted sheet when conveniently assembling the circuit board to interface position is firm, can realize automated production, improves the efficiency of installation greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the control terminal and the wiring terminal of the present invention;

fig. 3 is a schematic diagram of the mechanism of the sampling end and the current mutual inductance sampler of the present invention.

In the figure: 1. the device comprises a body, 2 parts of a control end, 3 parts of a sampling end, 3-1 parts of a current phase inlet, 3-2 parts of a current phase outlet, 3-3 parts of a zero line port, 3-4 parts of a conducting piece, 3-5 parts of an interface, 4 parts of a terminal, 5 parts of an inserting piece, 6 parts of a bending part, 7 parts of a lead, 8 parts of a welding piece, 9 parts of a conducting column, 10 parts of a screw, 11 parts of a voltage connecting piece, 12 parts of an insulating heat-shrinkable sleeve and 13 parts of a functional connecting end.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel terminal box structure comprises a body 1 of a terminal box, a control end 2 arranged on the body 1 and used for connecting a circuit board, and a sampling end 3 arranged on a current mutual-inductance sampler, wherein a glass fiber tube is wrapped outside a connecting lead of the mutual-inductance sampler, the glass fiber tube has the advantages of corrosion resistance, ageing resistance, good heat resistance, high strength, strong wear resistance, good electrical insulation, good protection effect on the connecting lead and damage prevention, the novel terminal box structure also comprises a wiring end 4 arranged on the body 1 and used for connecting an external voltage and connecting the control end 2 and the sampling end 3, a voltage line is connected from the wiring end 4, an inserting piece 5 is clamped at the position of the body 1 corresponding to the control end 4, one end part of the inserting piece 5 is bent upwards to form a bent part 6 and is electrically connected with contact, particularly, the control end 2 is an inserting groove integrally formed on the body 1, one end of the inserting piece 5 is clamped in the slot, the other end of the inserting piece 5 is exposed outside the slot and is bent upwards to form a bent part 6, the angle of the bent part 6 formed by bending the inserting piece 5 is 45-135 degrees, the embodiment adopts 90-degree bending, the inserting piece 5 is contacted with the circuit board through the bent part 6 and is welded and fixed, so that the bent part 6 is directly contacted and connected with the circuit board, when in assembly, the circuit board can be directly aligned and welded with the bent part 6, the assembly is simple and efficient, the other end of the inserting piece is electrically connected with the wiring terminal 4 from the body 1 through the lead 7, one end of the lead 7 corresponding to the inserting piece 5 is riveted with the inserting piece 5, one end of the lead 7 corresponding to the wiring terminal 4 is riveted with the welding piece 8, and the riveting mode of the two ends of the lead 7 replaces the existing screw thread connection, the assembly efficiency is improved, the lead 7 is connected with a conduction column 9 through a soldering lug 8, the conduction column 9 is provided with a screw opening 10, the conduction column 9 is fixedly connected with a wiring terminal 4 through a screw from the screw opening 10, in addition, the sampling end 3 comprises at least 1 pair of current phase inlet 3-1, current phase outlet 3-2 and zero line port 3-3, the embodiment takes an end button box of a three-phase electric meter as an example, the sampling end 3 comprises 3 pairs of current phase inlet 3-1 and current phase outlet 3-2, the zero line port 3-3 comprises a zero line inlet and a zero line outlet, the zero line inlet and the zero line outlet are fixed on the main body 1 through screws, the number of the insertion pieces 5 is equal to the sum of the number of the current phase inlet 3-1 and the number of the zero line port 3-3, the wiring terminal 4 is fixed at the current phase inlet 3-1 and the zero line port 3-3 through screws, a voltage connecting sheet 11 is connected between a wiring terminal 4 corresponding to a current phase inlet 3-1 and a conduction column 9 through a screw, the wiring terminal 4 is connected with a sampling end 3 and a control end 2 through the voltage connecting sheet 11, a conduction sheet 3-4 is riveted at a position of a lead 7 corresponding to a zero line port 3-3, an interface 3-5 is arranged at the position of the conduction sheet 3-1, the lead 7 is electrically connected with the zero line port 3-3 through the conduction sheet 3-1, the wiring terminal 4 is a copper column which is fixed at the current phase inlet 3-1 through a screw, the conduction column 9 and the wiring terminal 4 are both made of materials, the outer surfaces of the conduction column 9 and the wiring terminal 4 are both plated with nickel, and meanwhile, an insulating heat-shrinkable sleeve 12 which can resist high pressure is wrapped at the corresponding connection position of two ends of the leakage-proof lead 7 to achieve the effects of protection and electricity connection position of the lead 7, the main body 1 is further provided with a functional connecting end 13, and the functional connecting end 13 can be connected with a pulse, pulse per second or 485 line.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a novel terminal button box structure, includes body (1) of terminal button box, establishes and is used for connecing control end (2) of establishing the circuit board and is used for connecing sampling end (3) of establishing the mutual inductance sample thief of electric current on body (1), still including establishing wiring end (4) that is used for inserting external voltage and switch-on control end (2) and sampling end (3) on body (1), the voltage line is from wiring end (4) access, a serial communication port, body (1) corresponds control end (2) department card and is equipped with inserted sheet (5), and a tip of this inserted sheet (5) is upwards buckled and is formed kink (6) and is connected with the circuit board contact electricity, the other end of inserted sheet (5) is from this internal wiring end (4) electricity through wire (7).

2. The novel terminal box structure according to claim 1, wherein the control terminal (2) is a slot integrally formed on the body (1), one end of the insertion piece (5) is clamped in the slot, the other end of the insertion piece (5) is exposed outside the slot and is bent upwards to form a bent portion (6), and the insertion piece (5) is in contact with the circuit board through the bent portion (6) and is welded and fixed.

3. The novel terminal box structure according to claim 1 or 2, wherein one end of the wire (7) corresponding to the insertion sheet (5) is riveted with the insertion sheet (5), one end of the wire (7) corresponding to the terminal (4) is riveted with the soldering sheet (8), the wire (7) is connected with the conduction column (9) through the soldering sheet (8), the conduction column (9) is provided with a screw opening (10), and the conduction column (9) is fixedly connected with the terminal (4) from the screw opening (10) through a screw.

4. The novel terminal box structure according to claim 3, wherein the sampling terminal (3) comprises at least 1 pair of current phase inlet (3-1), current phase outlet (3-2) and zero line port (3-3), the terminal (4) is fixed at the current phase inlet (3-1) and the zero line port (3-3) through screws, a voltage connection plate (11) is connected between the terminal (4) corresponding to the current phase inlet (3-1) and the conduction column (9) through screws, and the terminal (4) is connected with the sampling terminal (3) and the control terminal (2) through the voltage connection plate (11).

5. The terminal box structure according to claim 4, wherein the conducting wire (7) is riveted with a conducting sheet (3-4) corresponding to the zero line port (3-3), the conducting sheet (3-4) is provided with a port (3-5), and the conducting wire (7) is electrically connected with the zero line port (3-3) through the conducting sheet (3-4).

6. The novel terminal box structure of claim 5, wherein the terminal (4) is a copper cylinder fixed at the current phase inlet (3-1) by screws.

7. The novel terminal box structure as claimed in claim 6, wherein the corresponding connection of the two ends of the conducting wire (7) is covered with an insulating heat-shrinkable sleeve (12) capable of withstanding high voltage.

8. The novel terminal box structure as claimed in claim 4, 5, 6 or 7, wherein the angle of the insert (5) bending to form the bending part (6) is 45 ° -135 °.

9. The terminal box structure of claim 8, wherein the conductive via (9) and the terminal (4) are made of copper material, and the outer surfaces of the conductive via (9) and the terminal (4) are plated with nickel.

10. The terminal box structure according to claim 9, wherein the body (1) further comprises a functional connection end (13), and the functional connection end (13) is connected to a pulse, pulse per second or 485 line.

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