Multipath connector

Abstract

The utility model provides a multi-path connector, which comprises a first copper bar, a second copper bar, a third copper bar, a fourth copper bar, a fifth copper bar and a sixth copper bar, the first end of the second copper bar is in a free state; the first end of the third copper bar is in a free state; the first end of the fourth copper bar is in a free state; the first copper bar, the third copper bar, the second copper bar and the fourth copper bar are electrically insulated; wherein the cross sectional areas of the third copper bar and the fourth copper bar are smaller than those of the first copper bar and the second copper bar; a connector housing, wherein the connector housing is made of an insulating material; the second end of the first copper bar, the second end of the second copper bar, the second end of the third copper bar and the second end of the fourth copper bar are fixedly connected in the connector shell.

Description

[0001] The application is a divisional application, the original application's application number is 202420831954.6, the original application's date is April 22, 2024, and the name is electronic device and multi-way connector. The entire contents of the original application are incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of power supply, in particular to a multi-way connector. BACKGROUND

[0003] With the rapid development of new energy vehicles, the proportion of new energy vehicles is becoming larger and larger.

[0004] New energy vehicles have power batteries as power sources, and need to be connected to an alternating current source (such as a power grid) through an on-board charger (OBC) input end for power conversion to charge the power battery. In order to implement the concept of green energy development, the on-board charger, as an energy conversion device between the new energy vehicle battery and the alternating current source, gradually develops towards low carbon footprint, high conversion efficiency, and high power density. The automobile terminal gradually tends to be integrated and integrated.

[0005] In order to pursue high efficiency and high power density of the on-board charger, the on-board charger needs to pass through a large current. In addition, multiple control signals and distributed charging modes make multi-way distributed power or signal connection a problem that needs to be solved in the field. The improvement of the connection end of the printed circuit board, which is an important component of the on-board charger control module, is also an important topic. In the prior art, a single-sided welding or crimping method is usually used to form a connection interface, and the number of lines or the current carrying capacity is limited. CONTENT OF THE UTILITY MODEL

[0006] The technical problem to be solved by the present application is how to improve the current carrying capacity of the connector and realize multi-way transmission and control under a reasonable and optimal structure space arrangement.

[0007] In order to solve the above technical problems, the present application provides an electronic device, which aims to be able to carry large current and meet multi-way transmission, and the layout is more reasonable.

[0008] In order to achieve the above purpose, the present application provides an electronic device, comprising:

[0009] A printed circuit board, a first connection end is arranged on a first surface of the printed circuit board, and a second connection end is arranged on a second surface of the printed circuit board;

[0010] A first copper bar is arranged at the first surface, and a first end of the first copper bar is crimped to the first connecting end to form an electrical connection.

[0011] Preferably, the electronic device further comprises,

[0012] A third copper bar is arranged on the first surface, and the third copper bar is crimped to the third connecting end on the first surface to form an electrical connection.

[0013] A fourth copper bar is arranged on the second surface, and the fourth copper bar is crimped to the fourth connecting end on the second surface to form an electrical connection.

[0014] Preferably, the electronic device further comprises,

[0015] A first wire pressing and gluing member is arranged at the first copper bar and the third copper bar to embed the first copper bar and the third copper bar, and the first wire pressing and gluing member is provided with a first fixing hole.

[0016] A second wire pressing and gluing member is arranged at the second copper bar and the fourth copper bar to embed the second copper bar and the fourth copper bar, and the second wire pressing and gluing member is provided with a second fixing hole.

[0017] The first fixing hole, the second fixing hole, the first copper bar fixing hole, and the second copper bar fixing hole are arranged in alignment, and a printed circuit board fixing hole is arranged at a corresponding position of the printed circuit board.

[0018] A press-in stud and a press-in nut are arranged in the first fixing hole, the first copper bar fixing hole, the printed circuit board fixing hole, the second copper bar fixing hole, and the second fixing hole, and the press-in stud cooperates with the press-in nut to be press-in fixed, so that the first wire pressing and gluing member is pressed towards the first copper bar and the third copper bar to be tightly connected with the first surface of the printed circuit board, and the second wire pressing and gluing member is pressed towards the second copper bar and the fourth copper bar to be tightly connected with the second surface of the printed circuit board.

[0019] Preferably, the number of the first fixing hole, the printed circuit board fixing hole, the second fixing hole, the first copper bar fixing hole, the second copper bar fixing hole, the press-in stud, and the press-in nut is the same, and the number is at least two.

[0020] The number of the first copper bars is at least two, wherein two first copper bars are located on two sides, and the two first copper bars are respectively provided with first copper bar fixing holes, and a third copper bar is located between the two first copper bars;

[0021] The number of the second copper bars is at least two, wherein two second copper bars are located on two sides, and the two second copper bars are respectively provided with second copper bar fixing holes, and a fourth copper bar is located between the two second copper bars.

[0022] Preferably, the first wire pressing rubber and the second wire pressing rubber are made of electrically insulating materials;

[0023] The press-in stud, the press-in nut, the first copper bar, the third copper bar, the second copper bar and the fourth copper bar are electrically insulated from each other.

[0024] The copper bars are electrically insulated from each other.

[0025] Preferably, the first copper bar, the second copper bar, the third copper bar and the fourth copper bar include a bending part away from the printed circuit board between the first end and the second end of the first copper bar, the second copper bar, the third copper bar and the fourth copper bar, so as to ensure an electrical safety distance, and the vertical distance between the second end of the first copper bar, the second end of the second copper bar, the second end of the third copper bar and the second end of the fourth copper bar and the printed circuit board is greater than the vertical distance between the first end of the first copper bar, the first end of the second copper bar, the first end of the third copper bar and the first end of the fourth copper bar and the printed circuit board.

[0026] Preferably, the second end of the first copper bar, the second end of the third copper bar, the second end of the second copper bar and the second end of the fourth copper bar are electrically insulated from each other and arranged in the connector housing.

[0027] The connector housing is integrally formed by injection molding for embedding the second end of the first copper bar, the second end of the third copper bar, the second end of the second copper bar and the second end of the fourth copper bar.

[0028] To solve the above technical problems, the utility model also provides a multi-way connector, which aims at connecting a printed circuit board and can bear large current and meet multi-way transmission and has more reasonable layout.

[0029] To achieve the above purpose, the utility model also provides a multi-way connector, which comprises:

[0030] The first end of the first copper bar is in a free state.

[0031] The first end of the second copper bar is in a free state.

[0032] The first end of the third copper bar is in a free state.

[0033] a fourth copper bar, wherein the first end of the fourth copper bar is free; the first copper bar, the third copper bar, the second copper bar, and the fourth copper bar are electrically insulated from each other; wherein the cross-sectional areas of the third copper bar and the fourth copper bar are smaller than the cross-sectional areas of the first copper bar and the second copper bar;

[0034] A connector housing is made of insulating material; the second end of the first copper bar, the second end of the second copper bar, the second end of the third copper bar, and the second end of the fourth copper bar are fixedly connected to the connector housing.

[0035] Preferably, the first end of the first copper bar and the first end of the third copper bar are arranged in a row; the second end of the first copper bar and the second end of the third copper bar are arranged in a row;

[0036] The first end of the second copper bar and the first end of the fourth copper bar are arranged in a row; the second end of the second copper bar and the second end of the fourth copper bar are arranged in a row;

[0037] The first copper bar and the second copper bar are arranged opposite to each other, and the third copper bar and the fourth copper bar are arranged opposite to each other;

[0038] The distance between the first end of the first copper bar and the first end of the second copper bar is equal to the distance between the first end of the third copper bar and the first end of the fourth copper bar;

[0039] The distance between the second end of the first copper bar and the second end of the second copper bar is equal to the distance between the second end of the third copper bar and the second end of the fourth copper bar;

[0040] The distance between the first end of the first copper bar and the first end of the second copper bar is smaller than the distance between the second end of the first copper bar and the second end of the second copper bar;

[0041] The distance between the first end of the third copper bar and the first end of the fourth copper bar is smaller than the distance between the second end of the third copper bar and the second end of the fourth copper bar;

[0042] The gap between the first end of the first copper bar and the first end of the second copper bar, and the gap between the first end of the third copper bar and the first end of the fourth copper bar are used to accommodate a printed circuit board so that the first copper bar and the third copper bar are located on the first surface of the printed circuit board, the second copper bar and the fourth copper bar are located on the second surface of the printed circuit board, and the first ends of the first copper bar, the second copper bar, the third copper bar and the fourth copper bar are electrically connected to the circuits on the printed circuit board.

[0043] Preferably, the number of the first copper bars is at least two, wherein the two first copper bars are located on both sides, the first ends of the first copper bars on the two sides are respectively provided with first copper bar fixing holes, and the third copper bar is located between the first copper bars on the two sides;

[0044] The number of the second copper bars is at least two, wherein two second copper bars are located on two sides, and a second copper bar fixing hole is arranged on the first end of the second copper bar on the two sides, and a fourth copper bar is located between the two second copper bars;

[0045] The first copper bar fixing hole and the second copper bar fixing hole are used for penetrating the press-in stud and pressing the first end of the first copper bar, the first end of the third copper bar and the first surface of the printed circuit board by cooperating with the press-in nut, and pressing the first end of the second copper bar, the first end of the fourth copper bar and the second surface of the printed circuit board.

[0046] Compared with the prior art, the utility model provides an electronic device, include: printed circuit board, first surface of printed circuit board is equipped with first connecting end, second surface is equipped with second connecting end, first copper bar, first copper bar sets up at first surface, first copper bar's first end is pressed in first connecting end to form electric connection, second copper bar, second copper bar sets up at second surface, second copper bar's first end is pressed in second connecting end to form electric connection, the utility model discloses still provides a kind of multiway connector, include: first copper bar, first end of first copper bar is free state;Second copper bar, first end of second copper bar is free state;Third copper bar, first end of third copper bar is free state;Fourth copper bar, first end of fourth copper bar is free state;First copper bar, third copper bar, second copper bar, fourth copper bar are mutually electrically insulated between;Wherein the cross-sectional area of third copper bar and fourth copper bar is less than the cross-sectional area of first copper bar and second copper bar;Connector housing, the connector housing is insulating material;Second end of first copper bar, second end of second copper bar, second end of third copper bar, second end of fourth copper bar are fixedly connected in the connector housing.Accordingly, compared with the prior art, the technical effect that the utility model can reach is that it can carry large current, meet multiway transmission, realize printed circuit board (PCB) double-sided press connection, and can fully utilize structural space. BRIEF DESCRIPTION OF DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort.

[0048] Figure 1 A perspective structural schematic diagram of an embodiment of the electronic device provided by the utility model is shown.

[0049] Figure 2 A cross-sectional structural schematic diagram of an embodiment of the electronic device provided by the utility model is shown.

[0050] Figure 3 The utility model provides an embodiment of electronic device three -dimensional structure explosion decomposition schematic diagram of showing. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0052] It should be understood that the terms "first", "second" and the like in the claims, specification and drawings of the present application are used to distinguish different objects, and are not used to describe a particular order. The terms "include" and "contain" used in the specification and claims of the present application indicate the presence of the described features, whole, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, whole, steps, operations, elements, components and / or sets thereof.

[0053] Referring to Figure 1 , Figure 2 and Figure 3 , the electronic device provided by the utility model, comprising: printed circuit board 10, the first surface 11 of printed circuit board 10 is equipped with the first connecting end (not shown in the drawing), and the second surface 12 is equipped with the second connecting end (not shown in the drawing). The first copper bar 20 is arranged at the first surface 11, and the first end 21 of the first copper bar 20 is crimped to the first connecting end to form an electrical connection. Figure 2 Referring to Figure 2 , the first end 31 of the second copper bar 30 is crimped to the second connecting end to form an electrical connection.

[0054] Referring to Figure 1 and Figure 2 , the electronic device provided by the utility model, comprising: the third copper bar 40, the first surface 11 is equipped with the third connecting end (not shown in the drawing), and the third copper bar 40 is crimped to the third connecting end on the first surface 11 to form an electrical connection. The fourth copper bar 50 is arranged on the second surface 12, and the fourth connecting end (not shown in the drawing) is arranged on the second surface 12. The fourth copper bar 50 is crimped to the fourth connecting end on the second surface 12 to form an electrical connection. The cross-sectional area of the third copper bar 40 and the fourth copper bar 50 is smaller than the cross-sectional area of the first copper bar 20 and the second copper bar 30.

[0055] The number of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 provided subsequently is a more preferred embodiment, and the number of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 can also be one.

[0056] Further, the number of the first copper bars 20 is at least two (two first copper bars 20 are shown in the figure), and the rated current of each first copper bar 20 is greater than or equal to 120 amperes. The number of the second copper bars 30 is at least two, and the rated current of each second copper bar 30 is greater than or equal to 120 amperes. The number of the third copper bars 40 is at least one (two third copper bars 40 are shown in the figure), and the rated current of each third copper bar 40 is greater than or equal to 10 amperes. The number of the fourth copper bars 50 is at least one (two fourth copper bars 50 are shown in the figure), and the rated current of each fourth copper bar 50 is greater than or equal to 10 amperes. The current of the first copper bars 20 and the second copper bars 30 is greater than that of the third copper bars 40 and the fourth copper bars 50. The cross-sectional shape of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 is not limited, and can also be in the form of a needle.

[0057] Referring to Figure 1 shown, in combination with referring to Figure 2 and Figure 3 shown, the electronic device provided by the utility model further comprises: a first wire pressing and rubber coating 61, the first wire pressing and rubber coating 61 is provided with a recess 62 at the first copper bar 20 and the third copper bar 40 to embed the first copper bar 20 and the third copper bar 40, and the first wire pressing and rubber coating 61 is provided with a first fixing hole 63; in combination with Figure 3 shown, the first end 21 of the first copper bar is provided with a first copper bar fixing hole 22. A second wire pressing and rubber coating 65, the second wire pressing and rubber coating 65 is provided with a recess 66 at the second copper bar 30 and the fourth copper bar 50 to embed the second copper bar 30 and the fourth copper bar 50, and the second wire pressing and rubber coating 65 is provided with a second fixing hole 67; the first end 31 of the second copper bar is provided with a second copper bar fixing hole 32. The first fixing hole 63, the second fixing hole 67, the first copper bar fixing hole 22 and the second copper bar fixing hole 32 are arranged in alignment, in combination with Figure 2 shown, and a printed circuit board fixing hole 13 is arranged at the corresponding position of the printed circuit board 10. A press-in stud 71 and a press-in nut 72, the press-in stud 71 is arranged to pass through the first fixing hole 63, the first copper bar fixing hole 22, the printed circuit board fixing hole 13, the second copper bar fixing hole 32 and the second fixing hole 67 and cooperates with the press-in nut 72 to be press-in fixed, so that the first wire pressing and rubber coating 61 is pressed to the first copper bar 20 and the third copper bar 40 and is press-connected to the first surface 11 of the printed circuit board, and the second wire pressing and rubber coating 65 is pressed to the second copper bar 30 and the fourth copper bar 50 and is press-connected to the second surface 12 of the printed circuit board. Accordingly, the printed circuit board is press-connected with the multiple copper bars on both sides.

[0058] As shown in Figure 1 and Figure 3 The number of the first copper bars 20 is at least two, and two first copper bars 20 are located on both sides, and the first copper bar fixing holes 22 are arranged on the two first copper bars 20 respectively, and the third copper bars 40 are located between the two first copper bars 20. It is shown that two first copper bars and two third copper bars are displayed. The number of the second copper bars 30 is at least two, and two second copper bars 30 are located on both sides, and the second copper bar fixing holes 32 are arranged on the two second copper bars 30 respectively, and the fourth copper bars 50 are located between the two second copper bars 30. The number of the first fixing holes 63, the printed circuit board fixing holes 13, the second fixing holes 67, the first copper bar fixing holes 22, the second copper bar fixing holes 32, the press-in stud 71 and the press-in nut 72 is the same, and the number is at least two. The copper bars can be better fixed.

[0059] The first wire pressing rubber 61 and the second wire pressing rubber 65 are made of electrically insulating material. The press-in stud 71, the press-in nut 72 and the first copper bars 20, the third copper bars 40, the second copper bars 30 and the fourth copper bars 50 are electrically insulated from each other. Each copper bar is electrically insulated from each other. Specifically, the number of the first copper bars 20 is at least two, and each first copper bar 20 is electrically insulated from each other. The number of the second copper bars 30 is at least two, and each second copper bar 30 is electrically insulated from each other. Each third copper bar 40 is electrically insulated from each other. Each fourth copper bar 50 is electrically insulated from each other. The first copper bars 20, the third copper bars 40, the second copper bars 30 and the fourth copper bars 50 are electrically insulated from each other. Specifically, the air gap, the insulating wire pressing rubber spacing and the insulating connecting shell spacing are used.

[0060] The first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 include a bending away from the printed circuit board between the first end and the second end to ensure the safety distance, so that the vertical distance between the second end of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 and the printed circuit board is greater than the vertical distance between the first end of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 and the printed circuit board.

[0061] As shown in Figure 3 The first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 are bent once away from the printed circuit board at the first end for pressing on the printed circuit board, and then bent again in the direction parallel to the printed circuit board, forming the arrangement that the second end of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 are parallel and farther away from the printed circuit board than the first end. In order to increase the gap between the second end 23 of the first copper bar, the second end 43 of the third copper bar and the second end 33 of the second copper bar, the second end 53 of the fourth copper bar. Accordingly, the insulation performance is improved.

[0062] Figure 3 In the actual application, in order to increase the gap between the second end 23 of the first copper bar, the second end 43 of the third copper bar, the second end 33 of the second copper bar, and the second end 53 of the fourth copper bar, the specific number of bending is not limited.

[0063] The second end 23 of the first copper bar, the second end 43 of the third copper bar, the second end 33 of the second copper bar, and the second end 53 of the fourth copper bar are arranged in the connector housing 80 and are electrically insulated from each other. The connector housing 80 is made of insulating plastic material. Specifically, the connector housing 80 is integrally formed by injection molding, embedding the second end 23 of the first copper bar, the second end 43 of the third copper bar, the second end 33 of the second copper bar, and the second end 53 of the fourth copper bar.

[0064] The above is the specific structure and connection method of the electronic device provided by the present application. By arranging copper bars on both sides of the printed circuit board and connecting them by crimping, and further arranging copper bars with different rated currents (different cross-sectional areas), the transmission of multiple current level signals on the printed circuit board can be realized, thereby realizing a single interface terminal compatible with multiple paths, multiple specifications, and large current transmission, and the space layout is reasonable.

[0065] Referring to Figure 1 , Figure 2 and Figure 3 , the multi-way connector provided by the present application is different from the aforementioned electronic device in that the multi-way connector does not include the printed circuit board 10, the first wire pressing and gluing 61, the second wire pressing and gluing 65, the press-in rivet stud 71, the press-in rivet nut 72, and the like.

[0066] Referring to Figure 1 , Figure 2 and Figure 3 , the multi-way connector provided by the present application further includes: a first copper bar 20, the first end 21 of the first copper bar being in a free state. A second copper bar 30, the first end 31 of the second copper bar being in a free state. A third copper bar 40, the first end 41 of the third copper bar being in a free state. A fourth copper bar 50, the first end 51 of the fourth copper bar being in a free state. The first copper bar 20, the third copper bar 40, the second copper bar 30, and the fourth copper bar 50 are electrically insulated. The cross-sectional area of the third copper bar 40 and the fourth copper bar 50 is smaller than the cross-sectional area of the first copper bar 20 and the second copper bar 30. Accordingly, the current through the first copper bar 20 and the second copper bar 30 is larger than that through the third copper bar 40 and the fourth copper bar 50. A connector housing 80, the connector housing 80 being made of insulating material. The second end 23 of the first copper bar, the second end 33 of the second copper bar, the second end 43 of the third copper bar, and the second end 53 of the fourth copper bar are fixedly connected in the connector housing 80.

[0067] The first ends 21 of the first copper bars and the first ends 41 of the third copper bars are arranged in a row; the second ends 23 of the first copper bars and the second ends 43 of the third copper bars are arranged in a row. The first ends 31 of the second copper bars and the first ends 51 of the fourth copper bars are arranged in a row; the second ends 33 of the second copper bars and the second ends 53 of the fourth copper bars are arranged in a row. The first copper bars 20 and the second copper bars 30 are oppositely arranged, and the third copper bars 40 and the fourth copper bars 50 are oppositely arranged. The distance between the first end 21 of the first copper bar and the first end 31 of the second copper bar is equal to the distance between the first end 41 of the third copper bar and the first end 51 of the fourth copper bar. The distance between the second end 23 of the first copper bar and the second end 33 of the second copper bar is equal to the distance between the second end 43 of the third copper bar and the second end 53 of the fourth copper bar. The distance between the first end 21 of the first copper bar and the first end 31 of the second copper bar is smaller than the distance between the second end 23 of the first copper bar and the second end 33 of the second copper bar. The gap between the first end 21 of the first copper bar and the first end 31 of the second copper bar and the gap between the first end 41 of the third copper bar and the first end 51 of the fourth copper bar are used to accommodate the printed circuit board 10, so that the first copper bars 20 and the third copper bars 40 are located on the first surface 11 of the printed circuit board, the second copper bars 30 and the fourth copper bars 50 are located on the second surface 12 of the printed circuit board, and the first ends 21, 31, 41 and 51 of the first copper bars 20, the second copper bars 30, the third copper bars 40 and the fourth copper bars 50 are electrically connected to the lines on the printed circuit board 10.

[0068] The number of the first copper bars 20 is at least two, wherein two first copper bars 20 are located on two sides, and the first ends 21 of the first copper bars on the two sides are respectively provided with first copper bar fixing holes 22, and the third copper bars 40 are located between the two first copper bars 20. The number of the second copper bars 30 is at least two, wherein two second copper bars 30 are located on two sides, and the first ends 31 of the second copper bars on the two sides are respectively provided with second copper bar fixing holes 32, and the fourth copper bars 50 are located between the two second copper bars 30. The first copper bar fixing holes 22 and the second copper bar fixing holes 32 are used to pass through the press-in stud 71 and press the first ends 21 of the first copper bars, the first ends 41 of the third copper bars and the first surface 11 of the printed circuit board, and press the first ends 31 of the second copper bars, the first ends 51 of the fourth copper bars and the second surface 12 of the printed circuit board by cooperating with the press-in nut 72.

[0069] The above is the specific structure and connection mode of the multi-way connector provided by the utility model. After the multi-way connector is electrically connected with the lines on the printed circuit board, the double-sided transmission of various specifications of current, multi-way current and large current can be realized, and the spatial layout is reasonable.

[0070] The specific structure and connection mode of the electronic device and the multi-way connector are provided.

[0071] The above specific embodiments and the accompanying drawings are only illustrative of the technical scheme and technical effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments within the scope of protection of the claims without departing from the technical principles and spirit of the present application, and all of the above modifications or changes are within the scope of protection of the present application.

Claims

1. A multiway connector, characterised in that, Comprising: a first copper bar, a first end of the first copper bar being free; a second copper bar, a first end of the second copper bar being free; a third copper bar, a first end of the third copper bar being free; a fourth copper bar, a first end of the fourth copper bar being free; the first copper bar, the third copper bar, the second copper bar, the fourth copper bar being electrically insulated; wherein the cross-sectional area of the third copper bar and the fourth copper bar is smaller than the cross-sectional area of the first copper bar and the second copper bar; a connector housing, the connector housing being made of insulating material; a second end of the first copper bar, a second end of the second copper bar, a second end of the third copper bar, a second end of the fourth copper bar being fixedly connected in the connector housing.

2. The multi-way connector of claim 1, wherein: the first end of the first copper bar and the first end of the third copper bar are arranged in a row; the second end of the first copper bar and the second end of the third copper bar are arranged in a row; the first end of the second copper bar and the first end of the fourth copper bar are arranged in a row; the second end of the second copper bar and the second end of the fourth copper bar are arranged in a row; the first copper bar and the second copper bar are oppositely arranged; the third copper bar and the fourth copper bar are oppositely arranged; the distance between the first end of the first copper bar and the first end of the second copper bar is equal to the distance between the first end of the third copper bar and the first end of the fourth copper bar; the distance between the second end of the first copper bar and the second end of the second copper bar is equal to the distance between the second end of the third copper bar and the second end of the fourth copper bar; the distance between the first end of the first copper bar and the first end of the second copper bar is smaller than the distance between the second end of the first copper bar and the second end of the second copper bar; the distance between the first end of the third copper bar and the first end of the fourth copper bar is smaller than the distance between the second end of the third copper bar and the second end of the fourth copper bar; the gap between the first end of the first copper bar and the first end of the second copper bar, the gap between the first end of the third copper bar and the first end of the fourth copper bar are used to accommodate the printed circuit board so that the first copper bar and the third copper bar are located on the first surface of the printed circuit board, the second copper bar and the fourth copper bar are located on the second surface of the printed circuit board, and the first end of the first copper bar, the second copper bar, the third copper bar and the fourth copper bar are electrically connected to the circuit on the printed circuit board.

3. The multi-way connector of claim 1 or 2, wherein: the number of the first copper bars is at least two, wherein two first copper bars are located on two sides, the first end of the first copper bars on the two sides is respectively provided with a first copper bar fixing hole, and the third copper bar is located between the two first copper bars; the number of the second copper bars is at least two, wherein two second copper bars are located on two sides, the first end of the second copper bars on the two sides is respectively provided with a second copper bar fixing hole, and the fourth copper bar is located between the two second copper bars; the first copper bar fixing hole and the second copper bar fixing hole are used to pass through the press-in stud and press the first end of the first copper bar, the first end of the third copper bar and the first surface of the printed circuit board by cooperating with the press-in nut, and press the first end of the second copper bar, the first end of the fourth copper bar and the second surface of the printed circuit board.

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