Bus and bus assembly

Abstract

The embodiment of the utility model provides a bus and a bus assembly. The bus bar comprises a body, the body comprises a pair of end parts which are oppositely arranged along the length direction of the body, and each end part of the pair of end parts comprises a pair of first surfaces which are oppositely arranged along the thickness direction of the body; and at least one first conductive connecting piece, wherein the first conductive connecting piece is arranged on at least one first surface in the pair of first surfaces of the corresponding end part of the body.

Description

TECHNICAL FIELD

[0001] Embodiments of the present disclosure generally relate to the technical field of electrical equipment, and more particularly, to a busbar and a busbar assembly. BACKGROUND

[0002] In some conventional busbars, aluminum is sometimes used as the conductor material thereof to reduce material cost. However, aluminum material is prone to form an oxide layer with poor electrical conductivity on the surface during use, which results in a high lapping resistance at the electrical connection, which not only causes more electrical energy to be converted into heat energy and lost, but also causes a local temperature rise, which brings potential risks to the safe and stable operation of the entire circuit system. SUMMARY

[0003] The purpose of the present disclosure is to provide a busbar and a busbar assembly to at least partially solve the above problems.

[0004] In a first aspect of the present disclosure, a busbar is provided, the busbar comprising a body comprising a pair of end portions oppositely arranged along a length direction thereof, each of the pair of end portions comprising a pair of first surfaces oppositely arranged along a thickness direction of the body; and at least one first conductive connecting piece arranged on at least one of the pair of first surfaces of the corresponding end portion of the body.

[0005] According to embodiments of the present disclosure, the first conductive connecting piece is arranged on at least one of the pair of first surfaces of the corresponding end portion of the body. With the above configuration, the anti-oxidation performance of the contact site between the body and the first conductive connecting piece is improved, and the influence of oxidation generated during use on the electrical connection performance of the busbar can be reduced. During use, the current flows from the body to the electrical connector via the first conductive connecting piece, and since the electrical connector is not in direct contact with the body, the lapping resistance at the electrical connection is reduced, which is conducive to reducing the electrical energy loss and lowering the system temperature, thereby improving the stability of the electrical system.

[0006] In some embodiments, each of the pair of end portions further comprises an end face arranged at the end of the body along the length direction, the end face being located between the pair of first surfaces, and the first conductive connecting piece is arranged on the end face and the pair of first surfaces of the corresponding end portion.

[0007] In some embodiments, the first conductive connecting piece comprises a first portion and a pair of second portions arranged on the same side of the first portion, the first portion is arranged on the end face of the corresponding end portion, and each of the pair of second portions is arranged on the corresponding first surface.

[0008] In some embodiments, the first conductive connector is welded to the respective end portion of the body, and is connected to the respective end portion by a plurality of first weld spots or by a strip-shaped weld seam.

[0009] In some embodiments, the first conductive connector is divided into a plurality of connector units along a width direction of the body, and adjacent connector units of the plurality of connector units are spaced apart from each other.

[0010] In some embodiments, the busbar further comprises at least one second conductive connector, the body further comprises an intermediate portion located between the pair of end portions, and the at least one second conductive connector is disposed on one side or both sides of the intermediate portion along a length direction of the body.

[0011] In some embodiments, the intermediate portion comprises a pair of second surfaces oppositely disposed along a thickness direction of the body and a pair of first sides oppositely disposed along a width direction of the body, the second conductive connector comprises a third portion and a pair of fourth portions connected to the third portion, the third portion of the second conductive connector is disposed on a respective first side of the intermediate portion, and the pair of fourth portions of the second conductive connector is disposed on the pair of second surfaces of the intermediate portion.

[0012] In some embodiments, each end portion of the pair of end portions further comprises a pair of second sides oppositely disposed along a width direction of the body, the first conductive connector further comprises a pair of fifth portions oppositely disposed along the width direction of the body and a pair of sixth portions oppositely disposed along the width direction of the body, the pair of fifth portions is connected to one of the pair of second portions of the respective first conductive connector and disposed on the pair of second sides of the respective end portion, and the pair of sixth portions is connected to the other of the pair of second portions of the respective first conductive connector and disposed on the pair of second sides of the respective end portion.

[0013] In some embodiments, the pair of fifth portions and the pair of sixth portions of the respective first conductive connector are spaced apart along a thickness direction of the body to collectively wrap the pair of second sides of the respective end portion.

[0014] In a second aspect of the present disclosure, a busbar assembly is provided, comprising a housing; and a plurality of busbars, each busbar being any one of the busbars according to the first aspect of the present disclosure, the plurality of busbars being spaced apart along a thickness direction of the body, and the pair of end portions of each busbar at least partially protruding out of the housing.

[0015] It is to be understood that the details set forth herein are by way of illustration only and not intended as limitations of the key features or important features of the embodiments of the present disclosure. Other features of the present disclosure will become apparent from the following detailed description of the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and other features, advantages and aspects of embodiments of the present disclosure will become more apparent by describing in detail preferred embodiments thereof with reference to the attached drawings in which:

[0017] Figure 1 A structural schematic diagram of a busbar is shown according to some embodiments of the present disclosure;

[0018] Figure 2 A structural schematic diagram of a body is shown according to some embodiments of the present disclosure;

[0019] Figure 3 A structural schematic diagram of a first conductive connecting piece is shown according to some embodiments of the present disclosure;

[0020] Figure 4 A structural schematic diagram of a second conductive connecting piece is shown according to some embodiments of the present disclosure;

[0021] Figure 5 A partial structural schematic diagram of a body and a first conductive connecting piece is shown according to some other embodiments of the present disclosure;

[0022] Figure 6 A partial structural schematic diagram of a body and a first conductive connecting piece is shown according to some other embodiments of the present disclosure; Figure 5 An exploded view of the first conductive connecting piece is shown;

[0023] Figure 7 A structural schematic diagram of a first conductive connecting piece is shown according to some other embodiments of the present disclosure;

[0024] Figure 8 A partial structural schematic diagram of a second conductive connecting piece and a body is shown according to some other embodiments of the present disclosure; Figure 9

[0025] A structural schematic diagram of a busbar assembly is shown according to some embodiments of the present disclosure; Figure 10

[0026] A partial structural schematic diagram of a busbar assembly is shown according to some other embodiments of the present disclosure; Figure 11 Figure 10 An enlarged view of part A of the busbar assembly is shown.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 100 is a busbar, 101 is a connecting piece unit; 200 is a shell;

[0029] ​1 is a body, 11 is an end portion, 111 is an end face, 112 is a first surface, 113 is a second side surface, 12 is an intermediate portion, 121 is a second surface, 122 is a first side surface, 13 is an extension portion, 131 is a third surface, 132 is a third side surface;

[0030] 2 is a first conductive connecting piece, 21 is a first portion, 22 is a second portion, 23 is a first soldering point, 24 is a fifth portion, 25 is a sixth portion;

[0031] 3 is a second conductive connecting piece, 31 is a third portion, 32 is a fourth portion, 33 is a second soldering point;

[0032] X is the thickness direction of the body; Y is the width direction of the body; Z is the length direction of the body. DETAILED DESCRIPTION

[0033] Preferred embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure is more thoroughly and completely conveyed to those skilled in the art, and the scope of the present disclosure is fully conveyed to those skilled in the art.

[0034] The term "comprising" and variations thereof as used herein are intended to cover a non-exclusive inclusion, i.e., "including, but not limited to". Unless specifically stated, the term "or" means "and / or". The term "based on" means "based, at least in part, on". The terms "one example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", and the like can refer to different or same objects.

[0035] As described above, in some conventional busbars, aluminum is sometimes used as the conductor material thereof to reduce costs. However, aluminum material is prone to form an oxide layer with poor electrical conductivity on the surface during use, resulting in a high lap joint resistance at the electrical connection, which not only causes more electrical energy to be converted into heat energy and lost, but also causes the local temperature to rise, potentially posing a risk to the safe and stable operation of the entire circuit system.

[0036] The inventors have noted that, to solve the above problems, conventional busbars are plated with tin on the surface of the aluminum plate, however, the cost of electroplating is high, and the tin plating layer is limited by the effect of temperature rise, resulting in limited current carrying capacity. In addition, conventional busbars form a copper contact layer on the surface of the electrical connection by welding a copper-aluminum composite sheet on the surface of the aluminum plate, however, this technology requires the application of special composite processes and special welding processes to achieve, and the cost of the product is high.

[0037] Based on this, embodiments of the present disclosure provide a busbar 100 and a busbar assembly to at least partially solve the above problems. In the following, the busbar 100 will be described in combination with Figures 1 to 11 The principles of the present disclosure are described.

[0038] Figure 1 A structural schematic diagram of the busbar 100 according to some embodiments of the present disclosure is shown. As shown in the figure, the busbar 100 described herein generally includes a body 1, at least one first conductive connecting piece 2, and at least one second conductive connecting piece 3. Figure 1

[0039] Figure 2 A structural schematic diagram of the body 1 according to some embodiments of the present disclosure is shown. As shown in the figure, the body 1 according to embodiments of the present disclosure includes a pair of end portions 11, and the pair of end portions 11 can be oppositely arranged along the length direction Z of the body 1. Each end portion 11 of the pair of end portions 11 includes an end face 111 and a pair of first surfaces 112. The pair of first surfaces 112 are oppositely arranged along the thickness direction X of the body 1. The end face 111 is arranged at the end of the body 1 along the length direction Z of the body 1, the end face 111 is located between the pair of first surfaces 112, and the end face 111 is connected with the pair of first surfaces 112. Correspondingly, each first conductive connecting piece 2 is arranged on at least one first surface 112 of the pair of first surfaces 112 of the corresponding end portion 11 of the body 1. Figure 1 Figure 2 With the above configuration, the anti-oxidation performance of the contact site of the body 1 and the first conductive connecting piece 2 is improved, and the influence of the oxidation generated during use on the electrical connection performance of the busbar 100 can be reduced. During use, the current flows from the body 1 to the electrical connector or other electrical components via the first conductive connecting piece 2. Since the electrical connector is not in direct contact with the body 1, the lap joint resistance at the electrical connection is reduced, which is beneficial to reduce the electrical energy loss and lower the system temperature, thereby improving the stability of the electrical system.

[0040] In some embodiments, the body 1 can include an aluminum plate. The first conductive connecting piece 2 can be made of copper. The aluminum plate is widely used due to its good electrical conductivity and thermal conductivity as well as relatively low cost, but its surface is prone to form a high-resistance oxide layer. By arranging the first conductive connecting piece 2 made of copper on the surface of the aluminum plate, the aluminum oxide layer can be eliminated, thereby solving the problem of high resistance. In addition, copper has a lower resistivity and relatively better anti-oxidation performance, and can maintain stable electrical contact for a long time. The copper-made first conductive connecting piece 2 is combined with the aluminum plate, and when the oxide layer appears on the surface of the aluminum plate, the current can also be transmitted to the inside of the aluminum plate through the copper part thereof, thereby reducing the electrical energy loss caused by the aluminum oxide layer.

[0041] In some embodiments, the body 1 can include an aluminum plate. The first conductive connecting piece 2 can be made of copper. The aluminum plate is widely used due to its good electrical conductivity and thermal conductivity as well as relatively low cost, but its surface is prone to form a high-resistance oxide layer. By arranging the first conductive connecting piece 2 made of copper on the surface of the aluminum plate, the aluminum oxide layer can be eliminated, thereby solving the problem of high resistance. In addition, copper has a lower resistivity and relatively better anti-oxidation performance, and can maintain stable electrical contact for a long time. The copper-made first conductive connecting piece 2 is combined with the aluminum plate, and when the oxide layer appears on the surface of the aluminum plate, the current can also be transmitted to the inside of the aluminum plate through the copper part thereof, thereby reducing the electrical energy loss caused by the aluminum oxide layer.

[0042] ​​According to the busbar 100 of the embodiments of the present disclosure, the copper-aluminum composite plate or the tinned layer connected with the aluminum plate is replaced by the non-composite copper plate, without the need to apply special processes, thereby reducing the material cost. In addition, the copper plate is less affected by the temperature rise limitation, thereby effectively improving the current carrying capacity of the overlapping area.

[0043] The first conductive connection 2 according to the embodiments of the present disclosure can be made of various types of materials currently known or available in the future, and the first conductive connection 2 only needs to have good oxidation resistance, and the embodiments of the present disclosure do not limit this. In addition, in the examples of Figure 1 and Figure 2 , the at least one first conductive connection 2 can include a pair of first conductive connections 2, one of the pair of first conductive connections 2 is arranged on one end portion 11, and the other first conductive connection 2 is arranged on the other end portion 11. Of course, in other examples, the at least one first conductive connection 2 can also include one first conductive connection 2, and the first conductive connection 2 is arranged on one end portion 11. The embodiments of the present disclosure do not limit this.

[0044] Figure 3 The structural schematic diagram of the first conductive connection 2 according to some embodiments of the present disclosure is shown. As Figures 1 to 3 shown, in some embodiments, each first conductive connection 2 can be U-shaped, and each first conductive connection 2 can be arranged on the end surface 111 and the pair of first surfaces 112 of the corresponding end portion 11. For example, each first conductive connection 2 can include a first portion 21 and a pair of second portions 22 arranged on the same side of the first portion 21. Thus, the first portion 21 can be arranged on the end surface 111 of the corresponding end portion 11, and each second portion 22 of the pair of second portions 22 can be arranged on the corresponding first surface 112. With the above configuration, in the process of manufacturing the busbar 100, the oxide layer on the surface of the body 1 can be removed, and then the first conductive connection 2 is connected with the body 1. In the later use process, the body 1 and the first conductive connection 2 can maintain a good contact state, and the position where the two are in contact will not be loose, thereby reducing the occurrence of the oxide layer, which helps to maintain good electrical conductivity.

[0045] In other embodiments, each first electrically conductive connector 2 can be provided only on the pair of first surfaces 112 of the respective end portion 11. For example, each first electrically conductive connector 2 can comprise a pair of second portions 22. Thereby, each second portion 22 of the pair of second portions 22 can be provided on the respective first surface 112. In other embodiments, each first electrically conductive connector 2 can be provided only on any one of the pair of first surfaces 112 of the respective end portion 11. For example, the first electrically conductive connector 2 can comprise one second portion 22. Thereby, the second portion 22 can be provided on the respective first surface 112.

[0046] With the above configuration, during the manufacturing of the busbar 100, the oxide layer on the surface of the body 1 can be removed, and then the first electrically conductive connector 2 can be connected with the body 1. During the later use, the body 1 and the first electrically conductive connector 2 can maintain a good contact state, and there will be no looseness at the position where the two are in contact, thereby reducing the occurrence of the oxide layer and helping to maintain good electrical conductivity.

[0047] In the following, the principles of the present disclosure will be exemplarily described mainly with the first electrically conductive connector 2 being provided around the respective end portion 11 on the end surface 111 and the pair of first surfaces 112 of the respective end portion 11; and it is similar for the above other cases, which will not be described herein again.

[0048] Reference Figures 1 to 3 In some embodiments, each first electrically conductive connector 2 can be welded to the respective end portion 11 of the body 1. A plurality of first welds 23 can be formed between each first electrically conductive connector 2 and the respective end portion 11 for connection through the plurality of first welds 23. The plurality of first welds 23 can be arranged in an array, and the shape of the first welds 23 is not limited. Thereby, the looseness of the busbar during use due to factors such as vibration and temperature change can be reduced, thereby reducing the occurrence of the oxide at the connection position of the first electrically conductive connector 2 and the body 1, and helping to maintain good electrical conductivity. For example, the plurality of first welds 23 can be arranged in a dot shape, which can provide stable mechanical and electrical connection, while dispersing the stress and avoiding the fatigue or failure problem that can be caused by a single connection point.

[0049] It should be understood that in other embodiments, each first electrically conductive connector 2 and the respective end portion 11 can also be connected through a strip-shaped weld, for example, through seam welding or dense zero-spacing spot welding. With such an arrangement, the strip-shaped weld can not only provide a large-area contact area, but also improve the mechanical strength and electrical conductivity.

[0050] For example, the connection between the first conductive connecting member 2 and the body 1 can be achieved by ultrasonic welding technology. The energy generated by high-frequency vibration locally heats the material to a molten state and rapidly cools and solidifies under pressure, thereby forming a plurality of first welding points 23 that are firm and have good electrical conductivity. In addition, the ultrasonic welding technology can solve the problem of difficult welding of copper plates on aluminum plates and improve the welding quality between them. In addition, aluminum conductors are prone to form aluminum oxide films on their surfaces in natural environments. By using ultrasonic welding technology, the oxide film at the first welding points 23 can be removed during the welding process, and a good electrical connection can be formed, thereby reducing the impact of the oxide layer on the electrical connection performance.

[0051] With continued reference to Figures 1 to 3 In some embodiments, the ratio of the coverage area of the plurality of first welding points 23 to the surface area of the corresponding first conductive connecting member 2 can be greater than or equal to a predetermined value, for example, greater than or equal to 10%. It can be understood that when the coverage area of the plurality of first welding points 23 is increased, more surface area of the first conductive connecting member can be involved in the current transmission process, thereby reducing the resistance. In addition, it can also improve the stability of the electrical connection between the first conductive connecting member 2 and the body 1.

[0052] It should be noted that the numbers, values, numbers mentioned above and elsewhere in the present disclosure are exemplary and are not intended to limit the scope of the present disclosure in any way. Any other appropriate numbers, values, numbers are possible. For example, according to specific application scenarios and requirements, the ratio of the coverage area of the plurality of first welding points 23 to the surface area of the corresponding first conductive connecting member 2 can be 25%.

[0053] In some embodiments, the hardness of the first conductive connecting member 2 can be similar to that of the aluminum plate, for example, the Vickers hardness can be between 50-60. In this way, the problem of poor welding or virtual welding due to a decrease in bonding force during the welding process can be solved.

[0054] Figure 4 A structural schematic diagram of the second conductive connecting member 3 according to some embodiments of the present disclosure is shown. As shown in Figure 1 , Figure 2 and Figure 4 In some embodiments, the body 1 further includes an intermediate portion 12 located between the pair of end portions 11. At least one second conductive connecting member 3 can be provided on one side or both sides of the intermediate portion 12 along the length direction Z of the body 1 to meet the connection of the body 1 with other electrical components. In addition, during use, the current flows from the body 1 to other electrical components via the second conductive connecting member 3, and the other electrical components are not in direct contact with the body 1, reducing the lap resistance at the electrical connection, which helps to reduce power loss and lower the system temperature, thereby improving the stability of the electrical system.

[0055] In addition, inFigure 1 and Figure 2 In the example of FIG. 14, the at least one second conductive connector 3 can include a pair of second conductive connectors 3. One of the pair of second conductive connectors 3 is disposed on one side of the intermediate portion 12, and the other of the pair of second conductive connectors 3 is disposed on the other side of the intermediate portion 12. Of course, in other examples, the at least one second conductive connector 3 can also include one second conductive connector 3, and the second conductive connector 3 is disposed on one side of the intermediate portion 12. Embodiments of the present disclosure do not limit this.

[0056] Referring to Figure 1 , Figure 2 and Figure 4 In some embodiments, the intermediate portion 12 can include a pair of second surfaces 121 disposed opposite along the thickness direction X of the body 1, and a pair of first sides 122 disposed opposite along the width direction Y of the body 1. Correspondingly, the second conductive connector 3 can include a third portion 31 and a pair of fourth portions 32 connected to the third portion 31, the pair of fourth portions 32 being disposed on the same side of the third portion 31. Thus, the third portion 31 of the second conductive connector 3 can be disposed on the corresponding first side 122 of the intermediate portion 12, and the pair of fourth portions 32 of the second conductive connector 3 can be disposed on the pair of second surfaces 121 of the intermediate portion 12.

[0057] With the above configuration, in the process of manufacturing the busbar 100, the oxide layer on the surface of the body 1 can be removed, and then the first conductive connector 2 is connected with the body 1. In the later use process, the body 1 and the second conductive connector 3 can maintain good contact state, and there will be no looseness at the position where the two are in contact, thereby reducing the occurrence of the oxide layer and being conducive to maintaining good electrical conductivity.

[0058] Referring to Figure 1 , Figure 2 and Figure 4 In some embodiments, the second conductive connector 3 can be welded on the intermediate portion 12, and a plurality of second welds 33 can be formed between the second conductive connector 3 and the intermediate portion 12 to be connected through the plurality of second welds 33. By welding the second conductive connector 3 with the body 1, looseness caused by factors such as vibration and temperature change during use can be avoided, thereby reducing the occurrence of oxidation at the connection position of the second conductive connector 3 and the body 1, and helping to maintain good electrical conductivity.

[0059] For example, the ultrasonic welding technology can also be used to realize the connection between the second conductive connecting member 3 and the body 1. Similarly, the energy generated by high-frequency vibration is used to locally heat the material to a molten state, and rapidly cool and solidify under pressure, thereby forming a plurality of second welding points 33 which are firm and have good electrical conductivity. In addition, the ultrasonic welding technology can solve the problem of difficult welding of copper plates on aluminum plates, and the welding quality is improved.

[0060] Figure 5 A partial structural schematic diagram of the body 1 and the first conductive connecting member 2 according to some embodiments of the present disclosure is shown. Figure 6 A partial structural schematic diagram of the body 1 and the first conductive connecting member 2 according to some embodiments of the present disclosure is shown. Figure 5 An exploded view of the first conductive connecting member 2 shown. Figure 5 An exploded view of the first conductive connecting member 2 shown. Figure 6 An exploded view of the first conductive connecting member 2 shown. Figure 3 The first conductive connecting member 2 shown has a similar structure. In addition, Figure 5 The body 1 shown has the same structure. In the following, the differences between the two will be mainly described, and for the same parts, no further description will be given. Figure 2 The body 1 shown has the same structure. In the following, the differences between the two will be mainly described, and for the same parts, no further description will be given.

[0061] Referring to Figures 5 to 6 In some embodiments, in order to improve the welding quality between each first conductive connecting member 2 and the body 1, the first conductive connecting member 2 can be divided into a plurality of connecting member units 101 along the width direction Y of the body 1. Adjacent connecting member units 101 in the plurality of connecting member units 101 can be spaced apart from each other to avoid mutual influence. In this way, each of the plurality of connecting member units 101 can be welded to the body 1, avoiding the problem of poor welding or false welding due to vibration and the like when welding the entire first conductive connecting member 2 to the body 1. It should be understood that in other embodiments, the first conductive connecting member 2 can also be welded to the body 1 in any other appropriate structure to improve the welding quality between the first conductive connecting member 2 and the body 1.

[0062] Figure 7 A structural schematic diagram of the first conductive connecting member 2 according to some embodiments of the present disclosure is shown. Figure 7 An exploded view of the first conductive connecting member 2 shown. Figure 3 The first conductive connecting member 2 shown has a similar structure. In the following, the differences between the two will be mainly described, and for the same parts, no further description will be given.

[0063] Referring to Figure 2 An exploded view of the first conductive connecting member 2 shown. Figure 7When the electrical connector or other electrical component is assembled with the busbar along, for example, the width direction Y of the body 1, the edges of the pair of second portions 22 can be raised and crimped. In some embodiments, to avoid the pair of second portions 22 being raised, each of the pair of end portions 11 can include a pair of second side surfaces 113 oppositely arranged along the width direction Y of the body 1. The pair of second side surfaces 113 are located between the pair of first surfaces 112 and connected with the end surface 111. The first conductive connector 2 can further include a pair of fifth portions 24 and a pair of sixth portions 25. The pair of fifth portions 24 are oppositely arranged along the width direction Y of the body 1, and the pair of sixth portions 25 are oppositely arranged along the width direction Y of the body 1. The pair of fifth portions 24 can be connected to one of the pair of second portions 22 of the corresponding first conductive connector 2, and the pair of fifth portions 24 can be arranged on the pair of second side surfaces 113 of the corresponding end portion 11. The pair of sixth portions 25 can be connected to the other of the pair of second portions 22 of the corresponding first conductive connector 2, and the pair of sixth portions 25 can be arranged on the pair of second side surfaces 113 of the corresponding end portion 11.

[0064] With the above configuration, when the electrical connector or other electrical component is assembled with the busbar along, for example, the width direction Y of the body 1, the edges of the second portions 22 are effectively avoided from being raised due to the additional fixing effect provided by the pair of fifth portions 24 and the pair of sixth portions 25. It should be understood that in other embodiments, the first conductive connector 2 can adopt any other appropriate structure to avoid the pair of second portions 22 being raised.

[0065] Reference is made to Figure 2 and Figure 7 In some embodiments, to facilitate the assembly of the first conductive connector 2 with the corresponding end portion 11, the pair of fifth portions 24 of the corresponding first conductive connector 2 can be spaced apart from the pair of sixth portions 25 of the corresponding first conductive connector 2 along the thickness direction X of the body 1 to collectively wrap the pair of second side surfaces 113 of the corresponding end portion 11. In this way, a gap can be provided between the pair of fifth portions 24 of the corresponding first conductive connector 2 and the pair of sixth portions 25 of the corresponding first conductive connector 2, thereby facilitating the assembly of the first conductive connector 2 with the body 1. It should be understood that in other embodiments, the first conductive connector 2 can adopt any other appropriate structure to facilitate the assembly of the first conductive connector 2 with the body 1.

[0066] Figure 8 and Figure 9 A partial structural schematic diagram of a second conductive connector 3 and a body 1 according to some other embodiments of the present disclosure is shown. Figure 8 and Figure 9 The second conductive connector 3 and the body 1 shown Figure 1 , Figure 2 and Figure 4The second conductive connecting member 3 and the body 1 shown have similar structures. In the following, the differences between the two will be mainly described, and for the same parts, no further description will be given.

[0067] Reference Figure 8 and Figure 9 In some embodiments, the body 1 can further include at least one extension 13 connected with the middle part 12; specifically, the extension 13 can be arranged on the first side surface 122 of the middle part 12 and extend away from the middle part 12. The extension 13 can include a pair of third surfaces 131 oppositely arranged along the thickness direction X of the body and a third side surface 132 located between the pair of third surfaces 131. The second conductive connecting member 3 can surround the third side surface 132 and the pair of third surfaces 131 of the corresponding extension 13.

[0068] It should be noted that the shape of the extension 13 is not limited here. For example, in the example shown in Figure 8 , the extension 13 can be arranged in a bent manner. While in the example shown in Figure 9 , the extension 13 can be arranged in a straight manner.

[0069] With the above configuration, in the process of manufacturing the busbar 100, the oxide layer on the surface of the body 1 can be removed, and then the second conductive connecting member 3 and the body 1 are connected together. In the later use process, the body 1 and the second conductive connecting member 3 can maintain a good contact state, and there will be no looseness at the position where the two contact, thereby reducing the occurrence of the oxide layer, which is conducive to maintaining good electrical conductivity.

[0070] Figure 10 A structural schematic diagram of a busbar assembly according to some embodiments of the present disclosure is shown. Figure 11 An enlarged view of part A of the busbar assembly shown. Figure 10 As shown in Figure 10 and Figure 11 The embodiments of the present disclosure also provide a busbar assembly, which includes a housing 200 and a plurality of busbars 100, each of which is any one of the busbars 100 according to the first aspect of the present disclosure. The plurality of busbars 100 can be arranged at intervals along the thickness direction X of the body 1. The pair of end parts 11 of each busbar 100 at least partially penetrates the housing 200, so as to facilitate assembly with electrical connectors and other electrical components.

[0071] The structural design according to the embodiments of the present disclosure can be applied to various busbars to at least partially solve the above-mentioned problems. It should be understood that the structural design according to the embodiments of the present disclosure can also be applied to other electrical components, and the embodiments of the present disclosure do not limit this.

[0072] Having described above several embodiments of the disclosure, any modifications and variations that fall within the scope of the described embodiments are also contemplated. It is also contemplated that the application covered by the claims extends to any alternative embodiment, adaptations, or variations of the various embodiments described above, and to any and all equivalents. The terms "comprises", "comprising", "comprised of" and "comprising" when used in this specification are taken to specify the presence of stated features, integers, steps or components but do not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof.

Claims

1. A busbar (100), characterized in that The busbar (100) comprises: a body (1) comprising a pair of ends (11) oppositely arranged along a length direction (Z) thereof, each end (11) of the pair of ends (11) comprising a pair of first surfaces (112) oppositely arranged along a thickness direction (X) of the body (1); and at least one first conductive connecting piece (2) arranged on at least one first surface (112) of the pair of first surfaces (112) of a respective end (11) of the body (1).

2. The busbar (100) according to claim 1, characterized in that Each end of the pair of ends (11) further comprises an end face (111) arranged at an end of the body (1) along the length direction (Z), the end face (111) being located between the pair of first surfaces (112), and the first conductive connecting piece (2) is arranged on the end face (111) and the pair of first surfaces (112) of the respective end (11) around the respective end (11).

3. The busbar (100) according to claim 2, characterized in that The first conductive connecting piece (2) comprises a first portion (21) arranged on the end face (111) of the respective end (11), and a pair of second portions (22) arranged on the same side of the first portion (21), each second portion (22) of the pair of second portions (22) being arranged on a respective first surface (112).

4. The busbar (100) of claim 1, characterized in that The first conductive connecting piece (2) is welded to the respective end (11) of the body (1), and is connected to the respective end (11) by a plurality of first welding points (23) or by a strip-shaped welding seam.

5. The busbar (100) of claim 1, characterized in that The first conductive connecting piece (2) is divided into a plurality of connecting piece monomers (101) along a width direction (Y) of the body (1), and adjacent connecting piece monomers (101) of the plurality of connecting piece monomers (101) are spaced apart from each other.

6. The busbar (100) of claim 1, characterized in that The busbar (100) further comprises at least one second conductive connecting piece (3), the body (1) further comprises an intermediate portion (12) located between the pair of ends (11), and the at least one second conductive connecting piece (3) is arranged on one side or both sides of the intermediate portion (12) along the length direction (Z) of the body (1).

7. The busbar (100) according to claim 6, characterized in that The intermediate portion (12) comprises a pair of second surfaces (121) oppositely arranged along the thickness direction (X) of the body (1), and a pair of first side faces (122) oppositely arranged along a width direction (Y) of the body (1), the second conductive connecting piece (3) comprises a third portion (31) and a pair of fourth portions (32) connected to the third portion (31), the third portion (31) of the second conductive connecting piece (3) is arranged on a respective first side face (122) of the intermediate portion (12), and the pair of fourth portions (32) of the second conductive connecting piece (3) are arranged on the pair of second surfaces (121) of the intermediate portion (12).

8. The busbar (100) of claim 1, characterized in that Each of the pair of end portions (11) further comprises a pair of second side faces (113) oppositely arranged along a width direction (Y) of the body (1), the first conductive connection (2) further comprises a pair of fifth portions (24) oppositely arranged along the width direction (Y) of the body (1) and a pair of sixth portions (25) oppositely arranged along the width direction (Y) of the body (1), the pair of fifth portions (24) are connected to one of the pair of second portions (22) of the corresponding first conductive connection (2) and arranged on the pair of second side faces (113) of the corresponding end portion (11), the pair of sixth portions (25) are connected to the other of the pair of second portions (22) of the corresponding first conductive connection (2) and arranged on the pair of second side faces (113) of the corresponding end portion (11).

9. The busbar (100) according to claim 8, characterized in that The pair of fifth portions (24) and the pair of sixth portions (25) of the corresponding first conductive connection (2) are spaced apart along a thickness direction (X) of the body (1) to collectively wrap the pair of second side faces (113) of the corresponding end portion (11).

10. A busbar assembly characterized in that, The busbar assembly comprises: a housing (200); and a plurality of busbars (100) each according to any one of claims 1 to 9, the plurality of busbars (100) are spaced apart along a thickness direction (X) of the body (1), and the pair of end portions (11) of each busbar (100) at least partially protrude out of the housing (200).

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