Primary plug-in and low-voltage switch cabinet

By using conductive contacts and parallel elastic conductive wires in the primary plug-in, the problem of high plug-in and unplugging force during the plug-in process is solved, and local overheating is avoided due to connection deviation, achieving a safe and reliable power consumption effect.

CN222546691UActive Publication Date: 2025-02-28ZHEJIANG ZHONGRUI TECH
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Patent Information

Application Number
CN202421271436.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-02-28
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing primary plug-in needs to be plugged and unplugged during the plug-in process, and the contact area changes due to connection deviations, which can easily lead to local overheating and affect power safety.

Method used

A primary plug-in is designed, using a conductive contact piece and an elastic conductive wire arranged in parallel to form a stable electrical contact through the plug-in cavity of the conductive contact piece and the contact portion of the elastic conductive wire to realize circuit power supply.

Benefits of technology

It achieves small plugging and unplugging force, convenient wiring, and avoids the problem of reduced contact area caused by connection deviation, avoids local overheating, and ensures power safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a one-time plug-in and low voltage switch cabinet, including the casing and be provided a plurality of conductive subassembly on the casing, conductive subassembly includes conductive piece and conductive contact piece, the conductive contact piece is respectively symmetrically provided at the conductive piece both sides, the conductive contact piece one end is connected to the conductive piece one end, the conductive contact piece one end is connected to the conductive piece one end, the conductive contact piece one end is connected to the conductive piece one end, and the conductive contact piece one end is connected to the conductive piece one end. An insertion cavity is formed between the conductive contact pieces, an elastic conductive bar is arranged at one end, far away from the conductive piece, of each conductive contact piece and comprises elastic conductive wires arranged in parallel, each elastic conductive wire comprises at least one protruding contact part, one end of each elastic conductive wire abuts against the inner side of the corresponding conductive contact piece, and the other end of each elastic conductive wire abuts against the outer side of the corresponding conductive piece. And the other end of the elastic conductive wire is buckled at the tail end of the conductive contact piece, and the contact part protrudes towards the direction of the plugging cavity. The one-time plug-in is small in plugging force and convenient to wire in the using process, the contact area cannot be reduced due to connection deviation, local overheating of the connecting position is avoided, and electricity utilization safety is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage power distribution, in particular to a primary plug-in and a low-voltage switch cabinet. Background Art

[0002] The low voltage cabinet is a combined high and low voltage switch cabinet assembled with standard modules. The low voltage cabinet is used for power generation, transmission, distribution, power conversion and control of power consumption equipment. The circuit structure in the low voltage cabinet is mainly electrically connected through the primary plug-in. The primary plug-in consists of a dynamic plug-in and a static plug-in. The contact clip on the dynamic plug-in is inserted into the primary line cover in the static plug-in to achieve the power supply effect.

[0003] The existing primary plug-in power-carrying components are composed of two contact pieces. During the plug-in process, the required plug-in and pull-out force is large, and the electrical contact area changes significantly due to the connection deviation of the primary plug-in. The small contact area can easily cause local overheating and affect the safety of electricity use. Utility Model Content

[0004] In order to solve the above problems, the technical solution provided by the utility model is:

[0005] A primary plug-in includes a shell and a plurality of conductive components arranged on the shell, the conductive components include a conductive part and a conductive contact, the conductive contact is symmetrically arranged on both sides of the conductive part, one end of the conductive contact is respectively connected to one end of the conductive part, a plug-in cavity is formed between the conductive contacts, an elastic conductive row is arranged at one end of the conductive contact away from the conductive part, the elastic conductive row includes elastic conductive wires arranged in parallel, the elastic conductive wires include at least one raised contact portion, one end of the elastic conductive wire abuts against the inner side of the conductive contact, the other end of the elastic conductive wire is buckled on the end of the conductive contact, and the contact portion protrudes toward the plug-in cavity.

[0006] The utility model is further configured such that the conductive contact piece includes a continuous welding portion, a first bending portion, a first extension portion, a second bending portion, a second extension portion and a folding portion, the welding portion is connected to the conductive member, one end of the elastic conductive thread abuts against the first extension portion, and the other end of the elastic conductive thread is buckled on the folding portion.

[0007] The utility model is further configured that the contact portion is provided at two locations, an abutting portion is provided between the contact portions, and the abutting portion abuts against the second extension portion.

[0008] The utility model is further configured that a positioning groove is provided on the folding portion, and a hook portion is provided at one end of the contact portion away from the conductive member, and the hook portion is connected to the positioning groove.

[0009] The utility model is further configured that the ends of the elastic conductive wires are respectively fixed to the ends of the adjacent elastic conductive wires by welding.

[0010] The utility model is further configured to include a contact fixing cover, the contact fixing cover is mutually buckled on two sides of the conductive member, and the contact fixing cover is fixed to the housing through a pin shaft.

[0011] The utility model is further configured such that the conductive member extends to the outside of the shell, a fastener is connected to the conductive member, and a partition plate is provided between the conductive members extending to the outside of the shell.

[0012] A low-voltage switch cabinet comprises the above-mentioned primary plug-in.

[0013] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0014] The one-time plug-in of the present technical solution is provided with elastic conductive wires arranged in parallel at the end of the conductive contact piece. When the external plug is inserted into the plug-in cavity, the contact parts of the elastic conductive wires respectively form stable electrical contact with the surface of the external plug, thereby realizing the power supply of the circuit. The one-time plug-in of the utility model has a small insertion and extraction force during use, is convenient for wiring, and does not reduce the contact area due to connection deviation, avoids local overheating of the connection, and ensures the safety of electricity use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of a primary plug-in according to an embodiment of the utility model.

[0016] Figure 2 This is an exploded view of a plug-in in an embodiment of the utility model.

[0017] Figure 3 This is a three-dimensional diagram of the internal power circuit of the primary plug-in of the embodiment of the utility model.

[0018] Figure 4 It is an exploded view of the conductive contact piece and the elastic conductive row according to the embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components; it can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0022] Example 1

[0023] Combined with Figure 1 To Attachment Figure 4 The technical solution of the utility model is a one-time plug-in, including a shell 1 and a plurality of conductive components arranged on the shell 1, the conductive components including a conductive member 2 and a conductive contact 3, the conductive contact 3 are symmetrically arranged on both sides of the conductive member 1, one end of the conductive contact 3 is respectively connected to one end of the conductive member 2, a plug-in cavity 4 is formed between the conductive contacts 3, an elastic conductive row 5 is arranged at one end of the conductive contact 3 away from the conductive member 2, the elastic conductive row 5 includes elastic conductive wires 51 arranged in parallel, the elastic conductive wires 51 include at least one raised contact portion 52, one end of the elastic conductive wire 51 abuts against the inner side of the conductive contact 3, the other end of the elastic conductive wire 51 is buckled on the end of the conductive contact 3, and the contact portion 52 protrudes toward the plug-in cavity 4.

[0024] In the above embodiment, the conductive member 2 is electrically connected to the conductive contact piece 3 , and the conductive contact piece 3 is electrically connected to the elastic conductive bar 5 .

[0025] In the above embodiment, the primary plug-in is provided with elastic conductive wires 51 arranged in parallel at the end of the conductive contact piece 3. When the external plug is inserted into the plug cavity 4, the contact parts of the elastic conductive wires 51 respectively form stable electrical contact with the surface of the external plug, thereby realizing the power supply of the circuit. The plug-in of the utility model has a small insertion and extraction force during use, which is convenient for wiring, and the contact area will not be reduced due to connection deviation, thereby avoiding local overheating of the connection and ensuring the safety of electricity use.

[0026] In this embodiment, the conductive contact piece 3 is integrally formed, and includes a continuous welding portion 31, a first bending portion 32, a first extension portion 33, a second bending portion 34, a second extension portion 35 and a folding portion 36. The welding portion 31 is connected to the conductive member 2, one end of the elastic conductive thread 51 abuts against the first extension portion 33, and the other end of the elastic conductive thread 51 is buckled on the folding portion 36.

[0027] In this embodiment, the contact portion 52 is provided at two locations, and an abutting portion 53 is provided between the contact portions 52 , and the abutting portion 53 presses against the second extension portion 35 ; the two contact portions 52 further increase the contact area of ​​the primary plug-in during electrical connection, thereby improving the current carrying capacity.

[0028] In this embodiment, a positioning groove 37 is provided on the folding portion 36, and a hook portion 54 is provided at the end of the contact portion 52 away from the conductive member 2, and the hook portion 54 is connected to the positioning groove 37; the cooperation between the hook portion 54 and the positioning groove 37 enables the elastic conductive row 5 to be stably connected to the conductive contact piece 3.

[0029] In this embodiment, the ends of the elastic conductive threads 51 are fixed to the ends of adjacent elastic conductive threads 51 by welding.

[0030] In this embodiment, a contact fixing cover 6 is further included. The contact fixing cover 6 is mutually buckled on two sides of the conductive member 1 , and the contact fixing cover 6 is fixed to the housing 1 via a pin shaft 61 .

[0031] In this embodiment, the conductive member 2 extends to the outside of the housing 1, a fastener 21 is connected to the conductive member 2, and a partition plate 7 is provided between the conductive members 2 extending to the outside of the housing 1 to improve the electrical isolation performance of adjacent conductive components.

[0032] Example 2

[0033] The technical solution of the utility model is a low-voltage switch cabinet, comprising the primary plug-in described in Example 1.

[0034] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A one-time plug-in, characterized in that: It includes a shell and several conductive components arranged on the shell, the conductive components include a conductive part and a conductive contact, the conductive contact is symmetrically arranged on both sides of the conductive part, one end of the conductive contact is respectively connected to one end of the conductive part, a plug-in cavity is formed between the conductive contacts, an elastic conductive row is arranged at one end of the conductive contact away from the conductive part, the elastic conductive row includes elastic conductive wires arranged in parallel, the elastic conductive wires include at least one raised contact portion, one end of the elastic conductive wire abuts against the inner side of the conductive contact, the other end of the elastic conductive wire is buckled on the end of the conductive contact, and the contact portion protrudes toward the plug-in cavity.

2. A one-time plug-in according to claim 1, characterized in that: The conductive contact sheet includes a continuous welding portion, a first bending portion, a first extension portion, a second bending portion, a second extension portion and a folding portion, the welding portion is connected to the conductive member, one end of the elastic conductive thread abuts against the first extension portion, and the other end of the elastic conductive thread is buckled on the folding portion.

3. A one-time plug-in according to claim 2, characterized in that: The contact portions are provided at two locations, and an abutting portion is provided between the contact portions, and the abutting portion abuts against the second extending portion.

4. A one-time plug-in according to claim 3, characterized in that: A positioning groove is provided on the folding portion, and a hook portion is provided at one end of the contact portion away from the conductive member, and the hook portion is connected to the positioning groove.

5. A primary plug-in according to any one of claims 1 to 4, characterized in that: The ends of the elastic conductive threads are respectively fixed to the ends of the adjacent elastic conductive threads by welding.

6. A primary plug-in according to any one of claims 1 to 4, characterized in that: It also includes a contact fixing cover, which is mutually buckled on both sides of the conductive member and is fixed to the housing through a pin shaft.

7. A primary plug-in according to any one of claims 1 to 4, characterized in that: The conductive member extends to the outside of the shell, a fastener is connected to the conductive member, and a partition plate is arranged between the conductive members extending to the outside of the shell.

8. A low voltage switch cabinet, characterized in that: A primary plug-in comprising any one of claims 1 to 7.