Busbar assembly and electrical connection assembly

Abstract

The invention discloses a busbar assembly and an electric connection assembly. The busbar assembly comprises a busbar which is provided with a busbar body and a groove which is formed on the busbar body and extends along the length direction of the busbar body; the busbar body is provided with a groove, the liquid cooling pipe is accommodated in the groove of the busbar body and is used for cooling the busbar, and the busbar is also provided with a bent flexible part which is connected with the end part of the busbar body, so that the busbar can elastically deform in the length direction. According to the invention, the busbar assembly not only can absorb large assembly errors and manufacturing errors, but also can improve the current-carrying capability under the condition that the cross sectional area of the busbar body is not increased.

Description

Technical Field

[0001] The present invention relates to a busbar assembly and an electrical connection assembly including the busbar assembly. Background Technology

[0002] In existing technologies, a horizontal busbar connection assembly is required to electrically connect the busbars in two cabinets. Existing busbar connection assemblies typically include a positive busbar and a negative busbar. The two ends of the positive busbar are electrically connected to the positive busbars in both cabinets, and the two ends of the negative busbar are electrically connected to the negative busbars in both cabinets. However, existing busbars are rigid and cannot absorb large installation and manufacturing errors; for example, they cannot absorb errors of + / -10mm. Furthermore, existing busbars are large in size to withstand currents exceeding 3000A, resulting in an excessively large cross-sectional area, which leads to difficulties in assembly and enclosure, and higher costs. Summary of the Invention

[0003] The purpose of this invention is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, a busbar assembly is provided. The busbar assembly includes: a busbar having a busbar body and a groove formed on the busbar body and extending along the length direction of the busbar body; and a liquid cooling pipe housed in the groove of the busbar body for cooling the busbar, the busbar further having a bent flexible portion connected to an end of the busbar body, such that the busbar can elastically deform in the length direction.

[0005] According to an exemplary embodiment of the present invention, the busbar is a single flat conductor, and the flexible portion comprises a plurality of bent flexible sheets stacked together.

[0006] According to another exemplary embodiment of the present invention, the flexible portion is riveted or welded to the end of the busbar body for electrical connection with the busbar body.

[0007] According to another exemplary embodiment of the invention, the flexible sheet is bent into an arc shape or a wave shape.

[0008] According to another exemplary embodiment of the present invention, the busbar has two flexible portions, which are respectively connected to both ends of the busbar body.

[0009] According to another exemplary embodiment of the present invention, the busbar has a single flexible portion connected to one end of the busbar body.

[0010] According to another exemplary embodiment of the present invention, the motherboard body has two opposing sides in its thickness direction, and the groove is formed on one side of the motherboard body.

[0011] According to another exemplary embodiment of the present invention, the busbar assembly further includes: an insulating thermally conductive pad disposed between the liquid cooling pipe and the busbar body, for transferring heat from the busbar body to the liquid cooling pipe and electrically isolating the busbar body and the liquid cooling pipe.

[0012] According to another exemplary embodiment of the present invention, the liquid cooling pipe is in direct thermal contact with the busbar body or is bonded to the busbar body by a thermally conductive adhesive disposed between the liquid cooling pipe and the busbar body.

[0013] According to another exemplary embodiment of the present invention, the busbar assembly further includes: a plurality of pressing devices mounted on the busbar body for pressing the liquid cooling pipe into the groove of the busbar body to ensure reliable thermal contact between the liquid cooling pipe and the insulating thermal pad and to ensure reliable thermal contact between the busbar body and the insulating thermal pad.

[0014] According to another exemplary embodiment of the present invention, the plurality of pressing devices are arranged in a row along the length of the busbar body; the pressing device includes: an insulating pressure plate spanning across the liquid cooling pipe; and two screws for fastening the two ends of the insulating pressure plate to the busbar body respectively, the insulating pressure plate applying a predetermined pressing force on the top of the liquid cooling pipe.

[0015] According to another exemplary embodiment of the present invention, the liquid cooling pipe is flat and closed at both ends, and an opening for allowing coolant to flow is formed on the top surface of each end of the liquid cooling pipe.

[0016] According to another exemplary embodiment of the present invention, the busbar assembly further includes: a first pipe connector connected to an opening at one end of the liquid cooling pipe; and a second pipe connector connected to an opening at the other end of the liquid cooling pipe.

[0017] According to another exemplary embodiment of the present invention, the busbar has a single flexible portion, one end of which is connected to one end of the busbar body; the busbar also has two connection ends for electrically connecting to two busbars respectively, one of which is connected to the other end of the flexible portion and the other is connected to the other end of the busbar body.

[0018] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: two busbar assemblies having their busbar bodies stacked together vertically; and an insulating partition sandwiched between the busbar bodies of the two busbar assemblies, wherein the busbar assembly is the busbar assembly according to any one of claims, the busbar body having a first side and a second side opposite each other in its thickness direction, the first side of the busbar body abutting the insulating partition, and the liquid cooling pipe located on the second side of the busbar body.

[0019] According to an exemplary embodiment of the present invention, the electrical connection assembly further includes: a mounting housing having a top plate and a bottom plate opposite each other in the thickness direction of the busbar body and a front opening and a rear side plate opposite each other in the width direction of the busbar body, wherein the two busbar bodies and the insulating isolation plate are fixedly mounted in the mounting housing.

[0020] According to another exemplary embodiment of the present invention, the electrical connection assembly further includes a fastening assembly for fastening the two busbars and the insulating isolation plate to the top and bottom plates of the mounting housing.

[0021] According to another exemplary embodiment of the present invention, the electrical connection assembly includes a plurality of fastening components, which are spaced apart along the length of the busbar body, and adjacent fastening components are located on opposite sides of the groove.

[0022] According to another exemplary embodiment of the present invention, the fastening assembly includes: a first insulating member including an end clamped between a top plate of the mounting housing and a busbar body and a columnar portion passing through the two busbar bodies and the insulating partition plate; a second insulating member clamped between a bottom plate of the mounting housing and another busbar body; a nut fixed to the top plate or the bottom plate of the mounting housing; and a bolt passing through the top plate and the bottom plate of the mounting housing and the columnar portion of the first insulating member, the bolt being threadedly connected to the nut, the columnar portion of the first insulating member electrically isolating the bolt from the two busbar bodies.

[0023] According to another exemplary embodiment of the present invention, a first pipe connector and a second pipe connector of a busbar assembly pass through the top plate of the mounting housing and are fixed to the top plate of the mounting housing; a first pipe connector and a second pipe connector of another busbar assembly pass through the bottom plate of the mounting housing and are fixed to the bottom plate of the mounting housing.

[0024] According to another exemplary embodiment of the present invention, the electrical connection assembly further includes: an inlet pipe connected to a first pipe joint of one busbar assembly; an outlet pipe connected to a first pipe joint of another busbar assembly; and a connecting pipe, the two ends of which are respectively connected to second pipe joints of the two busbar assemblies for interconnecting the liquid cooling pipes of the two busbar assemblies.

[0025] According to another exemplary embodiment of the present invention, the electrical connection assembly further includes: two fixing covers, respectively fixed to the top plate and the bottom plate of the mounting housing, wherein the first pipe joints of the two busbar assemblies are respectively accommodated and fixed in the two fixing covers.

[0026] According to another exemplary embodiment of the present invention, the two connecting ends of one busbar of the electrical connection assembly are respectively electrically connected to two positive busbars, and the two connecting ends of the other busbar of the electrical connection assembly are respectively electrically connected to two negative busbars.

[0027] According to another exemplary embodiment of the present invention, the connecting end of the busbar has a vertical connecting plate perpendicular to the length direction of the busbar body, the vertical connecting plate having a row of teeth adapted to be inserted into a row of sockets on the busbar; the vertical connecting plates at one end of the two busbars are spaced apart in the length direction of the busbar body, and the vertical connecting plates at the other end of the two busbars are spaced apart in the length direction of the busbar body.

[0028] In the foregoing exemplary embodiments of the present invention, the busbar assembly can not only absorb large assembly and manufacturing errors, but also improve current carrying capacity without increasing the cross-sectional area of ​​the busbar body.

[0029] Other objects and advantages of the invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0030] Figure 1 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown;

[0031] Figure 2 A cross-sectional view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown;

[0032] Figure 3 A perspective view showing a flexible portion of the busbar of an electrical connection assembly according to an exemplary embodiment of the present invention;

[0033] Figure 4 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown, wherein the retaining cover is removed;

[0034] Figure 5 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown, wherein the mounting housing and retaining cover are removed;

[0035] Figure 6A perspective view of a liquid cooling device for an electrical connection assembly according to an exemplary embodiment of the present invention is shown;

[0036] Figure 7 A perspective view of a busbar assembly of an electrical connection component according to an exemplary embodiment of the present invention is shown;

[0037] Figure 8 A cross-sectional view of a busbar assembly of an electrical connection component according to an exemplary embodiment of the present invention is shown.

[0038] Figure 9 A perspective view of a busbar of an electrical connection assembly according to an exemplary embodiment of the present invention is shown. Detailed Implementation

[0039] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation thereof.

[0040] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0041] According to a general technical concept of the present invention, a busbar assembly is provided. The busbar assembly includes: a busbar having a busbar body and a groove formed on the busbar body and extending along the length direction of the busbar body; and a liquid cooling pipe housed in the groove of the busbar body for cooling the busbar, the busbar further having a bent flexible portion connected to an end of the busbar body, such that the busbar can elastically deform in the length direction.

[0042] According to another general technical concept of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: two busbar assemblies whose busbar bodies are stacked together vertically; and an insulating partition sandwiched between the busbar bodies of the two busbar assemblies, wherein the busbar assembly is the busbar assembly according to any one of claims, the busbar body having a first side and a second side opposite each other in its thickness direction, the first side of the busbar body abutting the insulating partition, and the liquid cooling pipe located on the second side of the busbar body.

[0043] Figure 1 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown; Figure 2A cross-sectional view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown; Figure 3 A perspective view of the flexible portion 12 of the busbar 1 of an electrical connection assembly according to an exemplary embodiment of the present invention is shown. Figure 4 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown, wherein the retaining cover 4 is removed; Figure 5 A perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown, wherein the mounting housing 9 and the retaining cover 4 are removed; Figure 6 A perspective view of a liquid cooling device for an electrical connection assembly according to an exemplary embodiment of the present invention is shown; Figure 7 A perspective view of a busbar assembly of an electrical connection component according to an exemplary embodiment of the present invention is shown; Figure 8 A cross-sectional view of a busbar assembly of an electrical connection component according to an exemplary embodiment of the present invention is shown. Figure 9 A perspective view of a busbar 1 of an electrical connection assembly according to an exemplary embodiment of the present invention is shown.

[0044] like Figures 1 to 9 As shown, in an exemplary embodiment of the present invention, a busbar assembly is disclosed. The busbar assembly includes a busbar 1 and a liquid cooling pipe 3. The busbar 1 has a busbar body 10 and a groove 101 formed on the busbar body 10 and extending along the length direction Y of the busbar body 10. The liquid cooling pipe 3 is accommodated in the groove 101 of the busbar body 10 for cooling the busbar 1. The busbar 1 also has a bent flexible portion 12 connected to an end of the busbar body 1, allowing the busbar 1 to elastically deform in the length direction Y.

[0045] like Figures 1 to 9 As shown, in the illustrated embodiment, the busbar 10 is a single flat conductor, and the flexible portion 12 includes a plurality of bent flexible sheets 12a stacked together.

[0046] like Figures 1 to 9 As shown, in the illustrated embodiment, the flexible part 12 is riveted, welded or fastened to the end of the busbar body 1 by bolts to be electrically connected to the busbar body 1.

[0047] like Figures 1 to 9 As shown, in the illustrated embodiment, the flexible sheet 12a is bent into an arc or wave shape.

[0048] like Figures 1 to 9 As shown in the illustrated embodiment, the busbar 1 has a single flexible portion 12, which is connected to one end of the busbar body 1. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, the busbar 1 may have two flexible portions 12, which are respectively connected to both ends of the busbar body 1.

[0049] like Figures 1 to 9 As shown, in the illustrated embodiment, the busbar body 10 has two opposite sides in its thickness direction Z, and a groove 101 is formed on one side of the busbar body 10.

[0050] like Figures 1 to 9 As shown in the illustrated embodiment, the busbar assembly further includes an insulating thermally conductive pad 32, which is disposed between the liquid cooling pipe 3 and the busbar body 10, for transferring heat from the busbar body 10 to the liquid cooling pipe 3 and electrically isolating the busbar body 10 and the liquid cooling pipe 3.

[0051] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the liquid cooling pipe 3 can be in direct thermal contact with the busbar body 10 or can be bonded to the busbar body 10 by means of thermally conductive adhesive disposed between the liquid cooling pipe 3 and the busbar body 10.

[0052] like Figures 1 to 9 As shown in the illustrated embodiment, the busbar assembly further includes a plurality of pressing devices 7, which are mounted on the busbar body 10 and are used to press the liquid cooling pipe 3 into the groove 101 of the busbar body 10 to ensure reliable thermal contact between the liquid cooling pipe 3 and the insulating thermal pad 32 and to ensure reliable thermal contact between the busbar body 10 and the insulating thermal pad 32.

[0053] like Figures 1 to 9 As shown in the illustrated embodiment, multiple pressing devices 7 are arranged in a row along the length Y direction of the busbar body 10. The pressing device 7 includes: an insulating pressure plate 71 spanning across the liquid cooling pipe 3; and two screws 72 for fastening the two ends of the insulating pressure plate 71 to the busbar body 10 respectively, and the insulating pressure plate 71 applies a predetermined pressing force on the top of the liquid cooling pipe 3.

[0054] like Figures 1 to 9 As shown in the illustrated embodiment, the liquid cooling pipe 3 is flat and closed at both ends, with an opening 3c formed on the top surface of each end of the liquid cooling pipe 3 to allow coolant to flow through.

[0055] like Figures 1 to 9 As shown in the illustrated embodiment, the busbar assembly further includes a first pipe connector 3a and a second pipe connector 3b. The first pipe connector 3a is connected to an opening 3c at one end of the liquid cooling pipe 3. The second pipe connector 3b is connected to an opening 3c at the other end of the liquid cooling pipe 3.

[0056] like Figures 1 to 9As shown in the illustrated embodiment, the busbar 1 has a single flexible portion 12, one end of which is connected to one end of the busbar body 1. The busbar 1 also has two connection ends 11 for electrically connecting to two busbars (not shown), one of which is connected to the other end of the flexible portion 12, and the other is connected to the other end of the busbar body 1.

[0057] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, an electrical connection assembly is also disclosed. This electrical connection assembly includes two busbar assemblies and an insulating isolation plate 2. The busbar bodies 10 of the two busbar assemblies are stacked vertically. The insulating isolation plate 2 is sandwiched between the busbar bodies 10 of the two busbar assemblies. Each busbar body 10 has a first side and a second side opposite each other in its thickness direction Z. The first side of the busbar body 10 abuts against the insulating isolation plate 2, and a liquid cooling pipe 3 is located on the second side of the busbar body 10.

[0058] like Figures 1 to 9 As shown, in the illustrated embodiment, the electrical connection assembly further includes a mounting housing 9 having a top plate 91 and a bottom plate 92 opposite each other in the thickness direction Z of the busbar body 10, and a front opening and a rear side plate 93 opposite each other in the width direction X of the busbar body 10. The two busbar bodies 10 and the insulating isolation plate 2 are fixedly mounted in the mounting housing 9.

[0059] like Figures 1 to 9 As shown, in the illustrated embodiment, the electrical connection assembly further includes a fastening assembly 6 that fastens the two busbar bodies 10 and the insulating isolation plate 2 to the top plate 91 and the bottom plate 92 of the mounting housing 9.

[0060] like Figures 1 to 9 As shown in the illustrated embodiment, the electrical connection assembly includes a plurality of fastening components 6, which are spaced apart along the length Y direction of the busbar body 10, and adjacent fastening components 6 are located on both sides of the groove 101.

[0061] like Figures 1 to 9 As shown in the illustrated embodiment, the fastening assembly 6 includes a first insulator 61, a second insulator 62, a nut 64, and a bolt 63. The first insulator 61 includes an end 611 clamped between a top plate 91 of the mounting housing 9 and a busbar 10, and a columnar portion 612 passing through the two busbars 10 and the insulating partition 2. The second insulator 62 is clamped between a bottom plate 92 of the mounting housing 9 and another busbar 10. The nut 64 is secured to either the top plate 91 or the bottom plate 92 of the mounting housing 9. The bolt 63 passes through the top plate 91 and the bottom plate 92 of the mounting housing 9, as well as the columnar portion 612 of the first insulator 61. The bolt 63 is threadedly connected to the nut 64, and the columnar portion 612 of the first insulator 61 electrically isolates the bolt 63 from the two busbars 10.

[0062] like Figures 1 to 9 As shown in the illustrated embodiment, a first pipe connector 3a and a second pipe connector 3b of one busbar assembly pass through the top plate 91 of the mounting housing 9 and are fixed to the top plate 91 of the mounting housing 9. A first pipe connector 3a and a second pipe connector 3b of another busbar assembly pass through the bottom plate 92 of the mounting housing 9 and are fixed to the bottom plate 92 of the mounting housing 9.

[0063] like Figures 1 to 9 As shown in the illustrated embodiment, the electrical connection assembly further includes: an inlet pipe 51, an outlet pipe 52, and a connecting pipe 53. The inlet pipe 51 is connected to the first connector 3a of one busbar assembly. The outlet pipe 52 is connected to the first connector 3a of another busbar assembly. The two ends of the connecting pipe 53 are respectively connected to the second connectors 3b of the two busbar assemblies for interconnecting the liquid cooling pipes 3 of the two busbar assemblies.

[0064] like Figures 1 to 9 As shown in the illustrated embodiment, the electrical connection assembly further includes two retaining covers 4, which are respectively fixed to the top plate 91 and the bottom plate 92 of the mounting housing 9. The first pipe joints 3a of the two busbar assemblies are respectively accommodated and fixed in the two retaining covers 4.

[0065] like Figures 1 to 9 As shown, in the illustrated embodiment, the two connecting ends 11 of one busbar 1 of the electrical connection assembly are used to be electrically connected to two positive busbars (not shown), and the two connecting ends 11 of the other busbar 1 of the electrical connection assembly are used to be electrically connected to two negative busbars (not shown).

[0066] like Figures 1 to 9 As shown in the illustrated embodiment, the connecting end 11 of the busbar 1 has a vertical connecting plate 110 perpendicular to the longitudinal direction Y of the busbar body 10. The vertical connecting plate 110 has a row of teeth 11a adapted to be inserted into a row of sockets on the busbar. The vertical connecting plates 110 at one end of the two busbars 1 are spaced apart in the longitudinal direction Y of the busbar body 10, and the vertical connecting plates 110 at the other end of the two busbars 1 are also spaced apart in the longitudinal direction Y of the busbar body 10.

[0067] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this invention.

[0068] Although the invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the invention and should not be construed as limiting the invention.

[0069] While some embodiments of the general concept of the invention have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the invention, the scope of which is defined by the claims and their equivalents.

[0070] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of the invention.

Claims

1. A busbar assembly, characterized in that, include: A busbar (1) having a busbar body (10) and a groove (101) formed on the busbar body (10) and extending along the length direction (Y) of the busbar body (10); and A liquid cooling pipe (3) is housed in a groove (101) of the busbar body (10) for cooling the busbar (1). The busbar (1) also has a bent flexible part (12) connected to the end of the busbar body (1), so that the busbar (1) can elastically deform in the length direction (Y).

2. The busbar assembly according to claim 1, characterized in that: The busbar (10) is a single flat conductor, and the flexible part (12) includes a plurality of bent flexible sheets (12a) stacked together.

3. The busbar assembly according to claim 2, characterized in that: The flexible part (12) is riveted or welded to the end of the busbar body (1) for electrical connection with the busbar body (1).

4. The busbar assembly according to claim 2, characterized in that: The flexible sheet (12a) is bent into an arc or wave shape.

5. The busbar assembly according to claim 1, characterized in that: The busbar (1) has two flexible parts (12), which are respectively connected to both ends of the busbar body (1).

6. The busbar assembly according to claim 1, characterized in that: The busbar (1) has a single flexible part (12) which is connected to one end of the busbar body (1).

7. The busbar assembly according to claim 1, characterized in that: The busbar body (10) has two opposite sides in its thickness direction (Z), and the groove (101) is formed on one side of the busbar body (10).

8. The busbar assembly according to claim 1, characterized in that, Also includes: An insulating thermally conductive pad (32) is disposed between the liquid cooling pipe (3) and the busbar body (10) for transferring heat from the busbar body (10) to the liquid cooling pipe (3) and electrically isolating the busbar body (10) and the liquid cooling pipe (3).

9. The busbar assembly according to claim 1, characterized in that: The liquid cooling pipe (3) is in direct thermal contact with the busbar body (10) or is bonded to the busbar body (10) by thermally conductive adhesive disposed between the liquid cooling pipe (3) and the busbar body (10).

10. The busbar assembly according to claim 8, characterized in that, Also includes: Multiple pressing devices (7) are installed on the busbar body (10) to press the liquid cooling pipe (3) into the groove (101) of the busbar body (10) to ensure reliable thermal contact between the liquid cooling pipe (3) and the insulating thermal pad (32) and to ensure reliable thermal contact between the busbar body (10) and the insulating thermal pad (32).

11. The busbar assembly according to claim 10, characterized in that: The plurality of pressing devices (7) are arranged in a row along the length direction (Y) of the motherboard body (10); The pressing device (7) includes: An insulating pressure plate (71) spans across the liquid cooling pipe (3); and Two screws (72) are used to fasten both ends of the insulating pressure plate (71) to the busbar body (10). The insulating pressure plate (71) applies a predetermined pressing pressure to the top of the liquid cooling pipe (3).

12. The busbar assembly according to claim 1, characterized in that: The liquid cooling pipe (3) is flat and closed at both ends. An opening (3c) is formed on the top surface of each end of the liquid cooling pipe (3) to allow the coolant to flow through.

13. The busbar assembly according to claim 12, characterized in that, Also includes: The first pipe connector (3a) is connected to the opening (3c) at one end of the liquid cooling pipe (3); and The second pipe connector (3b) is connected to the opening (3c) at the other end of the liquid cooling pipe (3).

14. The busbar assembly according to claim 1, characterized in that: The busbar (1) has a single flexible part (12), one end of which is connected to one end of the busbar body (1); The busbar (1) also has two connection ends (11) for electrical connection to two busbars respectively, one of which is connected to the other end of the flexible part (12) and the other is connected to the other end of the busbar body (1).

15. An electrical connection assembly, characterized in that, include: Two busbar assemblies, with their busbar bodies (10) stacked one on top of the other; and An insulating partition (2) is sandwiched between the busbar bodies (10) of the two busbar assemblies. The busbar assembly is the busbar assembly according to any one of claims 1-14, the busbar body (10) has a first side and a second side opposite to each other in its thickness direction (Z), the first side of the busbar body (10) is attached to the insulating isolation plate (2), and the liquid cooling pipe (3) is located on the second side of the busbar body (10).

16. The electrical connection assembly according to claim 15, characterized in that, Also includes: The mounting housing (9) has a top plate (91) and a bottom plate (92) opposite each other in the thickness direction (Z) of the busbar body (10) and a front opening and a rear side plate (93) opposite each other in the width direction (X) of the busbar body (10), the two busbar bodies (10) and the insulating isolation plate (2) being fixedly mounted in the mounting housing (9).

17. The electrical connection assembly according to claim 16, characterized in that, Also includes: Fastening assembly (6) fastens the two busbar bodies (10) and the insulating isolation plate (2) to the top plate (91) and bottom plate (92) of the mounting shell (9).

18. The electrical connection assembly according to claim 17, characterized in that: The electrical connection assembly includes a plurality of fastening components (6) which are spaced apart along the length direction (Y) of the busbar body (10), and adjacent fastening components (6) are located on both sides of the groove (101).

19. The electrical connection assembly according to claim 17, characterized in that: The fastening assembly (6) includes: The first insulating element (61) includes an end (611) clamped between the top plate (91) of the mounting housing (9) and a busbar body (10) and a columnar portion (612) passing through the two busbar bodies (10) and the insulating isolation plate (2); The second insulating element (62) is held between the bottom plate (92) of the mounting housing (9) and another busbar (10); Nut (64) is fixed to the top plate (91) or bottom plate (92) of the mounting housing (9); and Bolt (63) passes through the top plate (91) and bottom plate (92) of the mounting housing (9) and the columnar portion of the first insulating member (61). The bolt (63) is threadedly connected to the nut (64), and the columnar portion (612) of the first insulating member (61) electrically isolates the bolt (63) from the two busbars (10).

20. The electrical connection assembly according to claim 16, characterized in that: A first pipe joint (3a) and a second pipe joint (3b) of a busbar assembly pass through the top plate (91) of the mounting housing (9) and are fixed to the top plate (91) of the mounting housing (9); The first pipe joint (3a) and the second pipe joint (3b) of another busbar assembly pass through the base plate (92) of the mounting housing (9) and are fixed to the base plate (92) of the mounting housing (9).

21. The electrical connection assembly according to claim 20, characterized in that, Also includes: The inlet pipe (51) is connected to the first pipe joint (3a) of a busbar assembly; The outlet pipe (52) is connected to the first pipe joint (3a) of another busbar assembly; and The connecting pipe (53) is connected at both ends to the second pipe joints (3b) of the two busbar assemblies, and is used to interconnect the liquid cooling pipes (3) of the two busbar assemblies.

22. The electrical connection assembly according to claim 21, characterized in that, Also includes: Two fixing covers (4) are respectively fixed to the top plate (91) and bottom plate (92) of the mounting shell (9). The first pipe joints (3a) of the two busbar assemblies are respectively accommodated and fixed in the two fixing covers (4).

23. The electrical connection assembly according to claim 15, characterized in that: The two connecting ends (11) of one busbar (1) of the electrical connection assembly are used to be electrically connected to two positive busbars respectively, and the two connecting ends (11) of the other busbar (1) of the electrical connection assembly are used to be electrically connected to two negative busbars respectively.

24. The electrical connection assembly according to claim 23, characterized in that: The connecting end (11) of the busbar (1) has a vertical connecting plate (110) perpendicular to the length direction (Y) of the busbar body (10), and the vertical connecting plate (110) has a row of teeth (11a) suitable for insertion into a row of holes on the busbar. The vertical connecting plates (110) at one end of the two busbars (1) are spaced apart in the length direction (Y) of the busbar body (10), and the vertical connecting plates (110) at the other end of the two busbars (1) are spaced apart in the length direction (Y) of the busbar body (10).

Images