Electrical connector

By designing a staggered arrangement and insulation between the positive and negative modules, the problem of existing electrical connectors being unable to carry large currents was solved, achieving greater current carrying capacity and a lower cost electrical connector design.

CN224318747UActive Publication Date: 2026-06-02BIZCONN INT CORP (SHEN ZHEN)

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BIZCONN INT CORP (SHEN ZHEN)
Filing Date
2025-04-11
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing server electrical connectors typically have only one pair of terminal modules, which cannot carry large currents and are prone to failure and burnout.

Method used

An electrical connector is designed that includes a positive module and a negative module spaced apart. The positive module and the negative module each include multiple terminal groups and conductive bars. The conductive bars are staggered to prevent short circuits and are isolated by an insulating shell. The grounding terminal is used for grounding and can carry a larger current.

Benefits of technology

It achieves greater current carrying capacity, reduces impedance and temperature rise, simplifies processing and assembly, reduces failure risk, makes wiring more convenient, and is low in cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of electric connectors, it is related to electric connector technical field, wherein, electric connector is used to power supply to server, electric connector includes positive pole module and negative pole module of interval arrangement, define the side where positive pole module is at as left side, define the side where negative pole module is at as right side, positive pole module includes two terminal groups, positive right conductive row and positive left conductive row, two positive terminal groups are interval arrangement, for connecting positive pole connector;One end of positive right conductive row is clamped between two positive terminal groups, another end of positive right conductive row extends to the right to connect electric wire;One end of positive left conductive row is interval clamped between two positive terminal groups with one end of positive right conductive row, another end of positive left conductive row extends to the left to connect electric wire;Negative pole module includes two negative terminal groups, two negative terminal groups are interval arrangement, two negative terminal groups are used to connect negative pole connector.The utility model provides simple positive and negative pole separation's electric connector, to be able to carry greater current.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to an electrical connector. Background Technology

[0002] Electrical connectors are typically used to distribute mains power to server racks. Existing server electrical connectors usually only have one pair of terminal modules, one for the positive connection and the other for the negative connection. This is insufficient to handle large currents, making the connectors prone to failure and burnout. Utility Model Content

[0003] The main objective of this invention is to provide an electrical connector that offers a simple design with separate positive and negative terminals, capable of carrying a larger current.

[0004] To achieve the above objectives, the present invention proposes an electrical connector for powering a server. The connector includes a positive terminal module and a negative terminal module spaced apart, with the side containing the positive terminal module defined as the left side and the side containing the negative terminal module defined as the right side. The positive terminal module includes two terminal groups, a positive right conductive bus, and a positive left conductive bus. The two positive terminal groups are spaced apart and used to connect to a positive connector. One end of the positive right conductive bus is sandwiched between the two positive terminal groups, and the other end extends to the right to connect to a wire. One end of the positive left conductive bus is spaced apart from one end of the positive right conductive bus and sandwiched between the two positive terminal groups, and the other end extends to the left to connect to the wire. The negative terminal module includes two negative terminal groups spaced apart and used to connect to a negative connector.

[0005] In one embodiment, the negative electrode module further includes a negative right conductive bus and a negative left conductive bus. One end of the negative right conductive bus is sandwiched between the two negative terminal groups, and the other end of the negative right conductive bus extends to the right to connect to the electrical wire. One end of the negative left conductive bus and one end of the negative right conductive bus are sandwiched between the two negative terminal groups at a distance, and the other end of the negative left conductive bus extends to the left to connect to the electrical wire.

[0006] In one embodiment, each of the conductive busbars includes an integrally formed vertical portion and a horizontal portion at right angles, the vertical portion being sandwiched between two end subgroups, and the horizontal portion being located below the vertical portion and used to connect the electrical conductors.

[0007] In one embodiment, the horizontal portion of the positive left conductive bus and the horizontal portion of the negative right conductive bus are located on the same horizontal plane;

[0008] The horizontal portion of the positive right conductive busbar and the horizontal portion of the negative left conductive busbar are located on the same horizontal plane.

[0009] In one embodiment, the two sides of the positive left conductive bus in the width direction are aligned with the two sides of the negative right conductive bus in the width direction.

[0010] The two sides of the positive right conductive busbar in the width direction are aligned with the two sides of the negative left conductive busbar in the width direction.

[0011] In one embodiment, the horizontal portion of the positive right conductive bus and the horizontal portion of the negative left conductive bus both include a connecting portion and a receiving portion. The two ends of the connecting portion are respectively connected to the vertical portion and the receiving portion. The receiving portion is used to electrically connect to the conductor. The width of the receiving portion is greater than the width of the connecting portion.

[0012] In one embodiment, the width of the horizontal portion of the positive left conductive busbar is the same as the width of the contact portion of the negative left conductive busbar, and their central axes are located in the same vertical plane.

[0013] The width of the contact portion of the positive right conductive busbar is the same as the width of the horizontal portion of the negative right conductive busbar, and their central axes are located in the same vertical plane.

[0014] In one embodiment, the electrical connector further includes an insulating housing, with two positive terminal groups and two negative terminal groups spaced apart within the insulating housing, and the other ends of the positive right conductive bus, the positive left conductive bus, the negative right conductive bus, and the negative left conductive bus all exposed outside the insulating housing.

[0015] In one embodiment, the electrical connector further includes a grounding terminal, which includes a main body and a spring arm. The main body is connected to the insulating housing, one end of the spring arm is connected to the main body, and the other end of the spring arm is used to abut against the housing of the server.

[0016] In one embodiment, the grounding terminal further includes a grounding wire, one end of which is connected to the main body and the other end of which is grounded.

[0017] The electrical connector proposed in this utility model includes a positive terminal module and a negative terminal module spaced apart. The side containing the positive terminal module is defined as the left side, and the side containing the negative terminal module is defined as the right side. The positive terminal module includes two spaced positive terminal groups for connecting to a positive connector, allowing it to carry a larger current. The negative terminal module includes two spaced negative terminal groups for connecting to a negative connector. A right-side positive conductive bar and a left-side positive conductive bar are sandwiched between the two positive terminal groups. One end of the right-side positive conductive bar and one end of the left-side positive conductive bar are spaced apart to prevent short circuits. The two parallel conductive bars sandwiched between the two positive terminal groups result in low impedance, low temperature rise, and simple processing and assembly, leading to low cost. The other end of the right-side positive conductive bar extends to the right to connect to a wire, and the other end of the left-side positive conductive bar extends to the left to connect to the wire. The right-side and left-side positive conductive bars are staggered in the left-right direction, consistent with the PDB output, making wiring more convenient. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment of the electrical connector provided by this utility model;

[0020] Figure 2 A schematic diagram of the structure of an embodiment of the positive and negative modules in the electrical connector provided by this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of one embodiment of the positive and right conductive busbar in the electrical connector provided by this utility model.

[0022] Explanation of icon numbers:

[0023] 100. Electrical connector; 10. Positive module; 11. Positive terminal group; 12. Positive right conductive bar; 121. Vertical part; 122. Horizontal part; 1221. Connecting part; 1222. Electrical connection part; 13. Positive left conductive bar; 20. Negative module; 21. Negative terminal group; 22. Negative right conductive bar; 23. Negative left conductive bar; 30. Insulating shell; 40. Grounding terminal; 41. Main body; 42. Spring arm; 43. Grounding wire.

[0024] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0026] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0027] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] Electrical connectors are typically used to distribute mains power to server racks. Existing server electrical connectors usually only have one pair of terminal modules, one for the positive connection and the other for the negative connection. This is insufficient to handle large currents, making the connectors prone to failure and burnout.

[0029] This invention proposes an electrical connector designed to provide a simple electrical connector with separate positive and negative terminals, capable of carrying a larger current.

[0030] Please see Figures 1 to 3In one embodiment of this utility model, the electrical connector 100 is used to supply power to a server. The electrical connector 100 includes a positive terminal module 10 and a negative terminal module 20 spaced apart. The side where the positive terminal module 10 is located is defined as the left side, and the side where the negative terminal module 20 is located is defined as the right side. The positive terminal module 10 includes two terminal groups 11, a positive right conductive bus 12 and a positive left conductive bus 13. The two positive terminal groups 11 are spaced apart and used to connect to the positive terminal connector. One end of the positive right conductive bus 12 is sandwiched between the two positive terminal groups 11, and the other end of the positive right conductive bus 12 extends to the right to connect to the electrical wire. One end of the positive left conductive bus 13 is spaced apart from one end of the positive right conductive bus 12 and sandwiched between the two positive terminal groups 11. The other end of the positive left conductive bus 13 extends to the left to connect to the electrical wire. The negative terminal module 20 includes two negative terminal groups 21 spaced apart and used to connect to the negative terminal connector.

[0031] In this embodiment, the electrical connector 100 includes a positive terminal module 10 and a negative terminal module 20 spaced apart. The side where the positive terminal module 10 is located is defined as the left side, and the side where the negative terminal module 20 is located is defined as the right side. The positive terminal module 10 includes two spaced positive terminal groups 11, which are used to connect to the positive terminal connector of the server rack and can carry a larger current. The negative terminal module 20 includes two spaced negative terminal groups 21, which are used to connect to the negative terminal connector. A positive right conductive bus 12 and a positive left conductive bus 13 are sandwiched between the two positive terminal groups 11. One end of the positive right conductive bus 12 and one end of the positive left conductive bus 13 are spaced apart to prevent short circuits. Two parallel conductive busbars are sandwiched between the two positive terminal groups 11, resulting in low impedance, low temperature rise, and simple processing and assembly, leading to low cost. The other end of the right-side conductive busbar 12 extends to the right to connect to the electrical wire, and the other end of the left-side conductive busbar 13 extends to the left to connect to the electrical wire. The right-side and left-side conductive busbars 12 and 13 are staggered in the left-right direction, consistent with the PDB output, making wiring more convenient. The conductive busbars can be made of hard copper or soft copper; no further limitation is made here.

[0032] In a preferred embodiment, each terminal group includes a long terminal and a short terminal. The long terminal includes a fixing plate and a plurality of elastic arms extending from the fixing plate. The short terminal also includes a fixing plate and a plurality of elastic arms extending from the fixing plate. A threaded connector connects and fixes the two terminal groups and the conductive bar between them into a single unit.

[0033] In an embodiment of this utility model, the negative electrode module 20 further includes a negative right conductive bus 22 and a negative left conductive bus 23. One end of the negative right conductive bus 22 is sandwiched between two negative terminal groups 21, and the other end of the negative right conductive bus 22 extends to the right to connect to the electrical wire. One end of the negative left conductive bus 23 is sandwiched between the two negative terminal groups 21 at a distance from one end of the negative right conductive bus 22, and the other end of the negative left conductive bus 23 extends to the left to connect to the electrical wire.

[0034] In this embodiment, a negative right conductive bus 22 and a negative left conductive bus 23 are sandwiched between the two negative terminal groups 21. One end of the negative right conductive bus 22 and one end of the negative left conductive bus 23 are spaced apart to prevent short circuits. The other end of the negative right conductive bus 22 extends to the right to connect to the electrical wire, and the other end of the negative left conductive bus 23 extends to the left to connect to the electrical wire. The negative right conductive bus 22 and the negative left conductive bus 23 are staggered in the left-right direction, consistent with the PDB output line, making wiring more convenient. The positive left conductive bus 13 and the negative left conductive bus 23 are electrically connected to one connector through an electrical wire, and the positive right conductive bus 12 and the negative right conductive bus 22 are electrically connected to another connector through an electrical wire, so as to form current loops respectively.

[0035] In an embodiment of this utility model, each conductive busbar includes an integrally formed vertical portion 121 and a horizontal portion 122 at right angles. The vertical portion 121 is sandwiched between two end subgroups, and the horizontal portion 122 is located below the vertical portion 121 and is used to connect electrical wires.

[0036] In this embodiment, each conductive busbar includes a vertical portion 121 and a horizontal portion 122. The horizontal portion 122 is connected below the vertical portion 121. The horizontal portion 122 and the vertical portion 121 are formed by bending an integrally molded soft copper busbar or hard copper busbar at a right angle. The vertical portion 121 is sandwiched between two end sub-assemblies, and the horizontal portion 122 is used to connect electrical wires. The specific connection method can be welding or riveting. The parallel bending of the lead wires can increase the welding surface and improve the connection strength.

[0037] In an embodiment of this utility model, the horizontal portion 122 of the positive left conductive bus 13 and the horizontal portion 122 of the negative right conductive bus 22 are located on the same horizontal plane;

[0038] The horizontal portion 122 of the positive right conductive busbar 12 and the horizontal portion 122 of the negative left conductive busbar 23 are located on the same horizontal plane.

[0039] In this embodiment, the horizontal portion 122 of the positive left conductive bus 13 and the horizontal portion 122 of the negative right conductive bus 22 are located on the same horizontal plane, that is, the horizontal portion 122 of the positive left conductive bus 13 and the horizontal portion 122 of the negative right conductive bus 22 have the same height. The horizontal portion 122 of the positive right conductive bus 12 and the horizontal portion 122 of the negative left conductive bus 23 are located on the same horizontal plane, that is, the horizontal portion 122 of the positive right conductive bus 12 and the horizontal portion 122 of the negative left conductive bus 23 have the same height. In the vertical direction, the positive left conductive bus 13 and the negative left conductive bus 23 are staggered, and the positive right conductive bus 12 and the negative right conductive bus 22 are staggered, which is consistent with the PDB output line, making the wiring more convenient.

[0040] In an embodiment of this utility model, the two sides of the positive left conductive bus 13 in the width direction and the two sides of the negative right conductive bus 22 in the width direction are aligned.

[0041] The two sides of the positive right conductive bus 12 in the width direction and the two sides of the negative left conductive bus 23 in the width direction are aligned.

[0042] In this embodiment, the two sides of the positive left conductive bus 13 and the two sides of the negative right conductive bus 22 in the width direction are aligned, that is, the two sides of the positive left conductive bus 13 and the negative right conductive bus 22 at the same height in the width direction are aligned, making the electrical connector 100 neater and reducing the crossing of lines.

[0043] In the embodiments of this utility model, the horizontal portion 122 of the positive right conductive bus 12 and the horizontal portion 122 of the negative left conductive bus 23 both include a connecting portion 1221 and a receiving portion 1222. The two ends of the connecting portion 1221 are respectively connected to the vertical portion 121 and the receiving portion 1222. The receiving portion 1222 is used to be electrically connected to the conductor. The width of the receiving portion 1222 is greater than the width of the connecting portion 1221.

[0044] In this embodiment, the horizontal portion 122 of the positive right conductive bus 12 and the horizontal portion 122 of the negative left conductive bus 23 both include a connecting portion 1221 and a receiving portion 1222. The width of the receiving portion 1222 is greater than the width of the connecting portion 1221. The connecting portion 1221 connects the vertical portion 121 and the receiving portion 1222, and also makes room for the opposite negative left conductive bus 23, ensuring that the total width of the positive right conductive bus 12 and the negative left conductive bus 23 does not exceed the width of the terminal group, making the electrical connector 100 more compact and lightweight. The connection method between the receiving portion 1222 and the electrical wire can be welding or riveting. In a preferred embodiment, a heat shrink sleeve is provided at the connection point between the receiving portion 1222 and the electrical wire to protect the connection point and prevent damage or water ingress, which could cause the electrical connector 100 to fail.

[0045] In an embodiment of this utility model, the width of the horizontal portion 122 of the positive left conductive bus 13 is the same as the width of the contact portion 1222 of the negative left conductive bus 23, and their central axes are located in the same vertical plane.

[0046] The width of the contact portion 1222 of the positive right conductive bus 12 is the same as the width of the horizontal portion 122 of the negative right conductive bus 22, and their central axes are located in the same vertical plane.

[0047] In this embodiment, the horizontal portion 122 of the positive left conductive busbar 13 and the contact portion 1222 of the negative left conductive busbar 23, located on the same left side, have the same width, and their central axes are located on the same vertical plane. Correspondingly, the horizontal portion 122 of the positive right conductive busbar 12 and the contact portion 1222 of the negative right conductive busbar 22, located on the same right side, have the same width, and their central axes are located on the same vertical plane. That is, the two sides of the horizontal portion 122 of the two conductive busbars located on the same side in the vertical direction are aligned, making the arrangement of the conductive busbars more reasonable and simple, and making the electrical connector 100 more miniaturized and lightweight.

[0048] In an embodiment of this utility model, the electrical connector 100 further includes an insulating shell 30, with two positive terminal groups 11 and two negative terminal groups 21 spaced apart inside the insulating shell 30, and the other ends of the positive right conductive bus 12, the positive left conductive bus 13, the negative right conductive bus 22, and the negative left conductive bus 23 all exposed outside the insulating shell 30.

[0049] In this embodiment, the insulating shell 30 should be made of insulating material, such as hard plastic or hard rubber. The two positive terminal groups 11 and the two negative terminal groups 21 are spaced apart inside the insulating shell 30 to prevent direct or indirect contact and short circuit. The other end of the positive right conductive bus 12 and the other end of the negative right conductive bus 22 are exposed on the right side of the insulating shell 30 and electrically connected to the wires; the other end of the positive left conductive bus 13 and the other end of the negative left conductive bus 23 are exposed on the left side of the insulating shell 30 and electrically connected to the wires.

[0050] In an embodiment of this utility model, the electrical connector 100 further includes a grounding terminal 40, which includes a main body 41 and a spring arm 42. The main body 41 is connected to the insulating shell 30, one end of the spring arm 42 is connected to the main body 41, and the other end of the spring arm 42 is used to abut against the shell of the server.

[0051] In this embodiment, a grounding terminal 40 is also provided on the insulating shell 30. The grounding terminal 40 is made of copper or stainless steel, and no further limitation is made here. The grounding terminal 40 includes a main body 41 connected to the insulating shell 30 and a spring arm 42 connected to the main body 41 at one end. When the electrical connector 100 is plugged into the server rack, the other end of the spring arm 42 will abut against the server rack to conduct current.

[0052] In an embodiment of this utility model, the grounding terminal 40 further includes a grounding wire 43, one end of which is connected to the main body 41, and the other end of which is grounded.

[0053] In this embodiment, one end of the grounding wire 43 is connected to the main body 41. One end of the grounding wire 43 is screwed onto the main body 41 and fixed to the insulating shell 30 using screws. The other end is grounded to conduct excess current to the earth. It is understood that the connection between one end of the grounding wire 43 and the main body 41 can also be achieved by welding or riveting.

[0054] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An electrical connector for supplying power to a server, characterized in that, The electrical connector includes a positive terminal module and a negative terminal module spaced apart. The side containing the positive terminal module is defined as the left side, and the side containing the negative terminal module is defined as the right side. The positive terminal module includes: Two positive terminal groups are provided, spaced apart, for connecting to the positive terminal connector; A right-side conductive bus, one end of which is clamped between the two positive terminal groups, and the other end of which extends to the right to connect to a conductor; and A positive left conductive busbar, one end of which is spaced between one end of the positive right conductive busbar and the two positive terminal groups, and the other end of the positive left conductive busbar extends to the left to connect to the electrical wire; The negative terminal module includes two negative terminal groups, which are spaced apart and are used to connect to the negative terminal connector.

2. The electrical connector as claimed in claim 1, characterized in that, The negative electrode module also includes: A negative right conductive bus, one end of which is clamped between the two negative terminal groups, and the other end of which extends to the right to connect to the electrical wire; and A negative left conductive busbar, one end of which is spaced between one end of the negative right conductive busbar and the two negative terminal groups, and the other end of the negative left conductive busbar extends to the left to connect to the electrical wire.

3. The electrical connector as described in claim 2, characterized in that, Each of the aforementioned conductive busbars includes an integrally formed vertical portion and a horizontal portion at right angles, the vertical portion being sandwiched between two end subgroups, and the horizontal portion being located below the vertical portion and used to connect the electrical conductors.

4. The electrical connector as described in claim 3, characterized in that, The horizontal portion of the positive left conductive bus and the horizontal portion of the negative right conductive bus are located on the same horizontal plane; The horizontal portion of the positive right conductive busbar and the horizontal portion of the negative left conductive busbar are located on the same horizontal plane.

5. The electrical connector as described in claim 4, characterized in that, The two sides of the positive left conductive busbar in the width direction are aligned with the two sides of the negative right conductive busbar in the width direction. The two sides of the positive right conductive busbar in the width direction are aligned with the two sides of the negative left conductive busbar in the width direction.

6. The electrical connector as claimed in claim 5, characterized in that, The horizontal portion of the positive right conductive bus and the horizontal portion of the negative left conductive bus both include a connecting portion and a receiving portion. The two ends of the connecting portion are respectively connected to the vertical portion and the receiving portion. The receiving portion is used to electrically connect with the conductor. The width of the receiving portion is greater than the width of the connecting portion.

7. The electrical connector as claimed in claim 6, characterized in that, The width of the horizontal portion of the positive left conductive busbar is the same as the width of the contact portion of the negative left conductive busbar, and their central axes are located in the same vertical plane. The width of the contact portion of the positive right conductive busbar is the same as the width of the horizontal portion of the negative right conductive busbar, and their central axes are located in the same vertical plane.

8. The electrical connector as claimed in any one of claims 2 to 7, characterized in that, The electrical connector further includes an insulating housing, with the two positive terminal groups and the two negative terminal groups spaced apart inside the insulating housing, and the other ends of the positive right conductive bus, the positive left conductive bus, the negative right conductive bus, and the negative left conductive bus all exposed outside the insulating housing.

9. The electrical connector as claimed in claim 8, characterized in that, The electrical connector further includes a grounding terminal, which includes a main body and a spring arm. The main body is connected to the insulating housing, one end of the spring arm is connected to the main body, and the other end of the spring arm is used to abut against the housing of the server.

10. The electrical connector as claimed in claim 9, characterized in that, The grounding terminal also includes a grounding wire, one end of which is connected to the main body and the other end of which is grounded.