Fluid switching module and electrical connection product

Abstract

The invention discloses a fluid switching module and an electrical connection product. The fluid transfer module includes a housing. The housing includes: a housing body defining an inner cavity for accommodating a cooling fluid; the first matching joint is formed on the outer side of the shell main body and is communicated with the inner cavity; and the second matching joint is formed on the outer side of the shell main body and is communicated with the inner cavity. The first matching joint is used for being matched and connected with a pipe joint on an insulation cap of a power transmission piece, and the second matching joint is used for being matched and connected with a connecting pipe of a cooling loop, so that a cooling channel in the power transmission piece can be connected to the cooling loop through the fluid switching module. In the invention, the fluid switching module can conveniently and quickly connect the cooling passage of the power transmission piece to the cooling loop, and the use is very convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to a fluid transfer module and an electrical connection product comprising the same. BACKGROUND

[0002] In the prior art, as the charging current of the electric vehicle is getting higher and higher, the current charging current of the whole vehicle is now required to be 600A, and will be further increased to 1000A in the future. This leads to a higher temperature rise of the electrical transmission member (e.g. wire) connected to the charging seat or charging gun. In order to reduce the temperature rise of the electrical transmission member, charging seat and charging gun, a large cross-section electrical transmission member, such as a large cross-section copper wire or aluminum wire, needs to be used, but this will result in a larger volume and higher cost. SUMMARY

[0003] The present application aims to solve at least one of the above problems and defects in the prior art.

[0004] According to one aspect of the present application, a fluid transfer module is provided. The fluid transfer module comprises a housing. The housing comprises a housing body defining an inner cavity for accommodating a cooling fluid, a first pair of fittings formed on an outer side of the housing body and communicating with the inner cavity, and a second pair of fittings formed on the outer side of the housing body and communicating with the inner cavity. The first pair of fittings is configured to be connected to a pair of pipe fittings on an insulating cap of an electrical transmission member, and the second pair of fittings is configured to be connected to a pair of connecting pipes of a cooling circuit, so that a cooling passage in the electrical transmission member can be connected to the cooling circuit via the fluid transfer module.

[0005] According to one exemplary embodiment of the present application, two inner cavities are defined in the housing body and are separated from each other, and the housing comprises two first pairs of fittings respectively communicating with the two inner cavities, and the two first pairs of fittings are configured to be respectively connected to two pipe fittings on the insulating cap of the electrical transmission member.

[0006] According to another exemplary embodiment of the present application, the housing comprises two second pairs of fittings respectively communicating with the two inner cavities, and the two second pairs of fittings are configured to be respectively connected to two connecting pipes of the cooling circuit.

[0007] According to another exemplary embodiment of the present application, the first pair of fittings has a first insertion hole for inserting the pipe fitting, and the second pair of fittings has a second insertion hole for inserting the connecting pipe, and the first insertion hole and the second insertion hole communicate with the inner cavity.

[0008] According to another exemplary embodiment of the present application, the first pair of adapters are formed on the outside of the rear wall of the shell body, the second pair of adapters are formed on the bottom wall of the shell body, the shell body has a front opening opposite to the rear wall thereof; the shell further comprises a front cover mounted on the front opening of the shell body to close the front opening of the shell body.

[0009] According to another exemplary embodiment of the present application, the fluid adapter module further comprises a screw passing through the front cover and being screwed to the front side of the shell body to fix the front cover to the front side of the shell body; and a sealing ring being pressed between the front cover and the shell body to realize sealing therebetween.

[0010] According to another exemplary embodiment of the present application, the fluid adapter module further comprises a locking member inserted into the first pair of adapters for locking the pipe adapter into the first pair of adapters, the locking member being movable along the axial direction of the first pair of adapters between a locking position engaging with the pipe adapter and an unlocking position separating from the pipe adapter.

[0011] According to another exemplary embodiment of the present application, the fluid adapter module further comprises an unlocking member mounted on the shell body and being movable along the radial direction of the first pair of adapters, an inclined surface inclined to the axial direction of the first pair of adapters being formed on the unlocking member, the inclined surface being used to convert the radial movement of the unlocking member into the axial movement of the locking member so as to axially push the locking member from the locking position to the unlocking position by the unlocking member.

[0012] According to another exemplary embodiment of the present application, the unlocking member is movable along the radial direction of the first pair of adapters between a first position and a second position; when the unlocking member is moved to the first position, the unlocking member pushes the locking member axially to the unlocking position by the inclined surface thereon; when the unlocking member is moved to the second position, the unlocking member separates from the locking member and the locking member is automatically elastically returned to the locking position.

[0013] According to another exemplary embodiment of the present application, the shell body has a mounting portion on the outside thereof, the mounting portion has a bottom plate and a pair of side plates, the first pair of adapters are located in the mounting portion, the unlocking member is movably mounted on the mounting portion and is movable along the vertical direction between the first position and the second position.

[0014] According to another exemplary embodiment of the present application, a pair of side plates of the mounting portion are formed with slots extending in the vertical direction, and the unlocking member is inserted into the slots of the pair of side plates and is movable along the slots between the first position and the second position.

[0015] According to another exemplary embodiment of the present application, a slot hole is formed in a bottom plate of the mounting portion, and the unlocking member has an elastic catch passing through the slot hole, and a first protrusion and a second protrusion below the first protrusion are formed on the elastic catch; when the unlocking member is moved to the first position, the first protrusion abuts against a lower edge portion of the slot hole to retain the unlocking member in the first position; and when the unlocking member is moved to the second position, the second protrusion abuts against an upper edge portion of the slot hole to retain the unlocking member in the second position.

[0016] According to another exemplary embodiment of the present application, an annular clamping groove is formed on an outer circumferential surface of an end portion of the first pair of adapters, and the unlocking member further has an arc-shaped plate above the annular clamping groove; when the unlocking member is moved to the first position, the arc-shaped plate of the unlocking member is inserted into the annular clamping groove to prevent the unlocking member from moving in the axial direction of the first pair of adapters, so that the unlocking member is reliably retained in the first position.

[0017] According to another exemplary embodiment of the present application, when the unlocking member is moved to a pre-assembly position between the first position and the second position, the first protrusion abuts against the upper edge portion of the slot hole to retain the unlocking member in the pre-assembly position; and when the unlocking member is in the pre-assembly position, the unlocking member does not interfere with the locking member and the pipe joint to allow the pipe joint to be inserted into the first pair of adapters.

[0018] According to another exemplary embodiment of the present application, the housing includes a plurality of first pairs of adapters for respectively matingly connecting with a plurality of pipe joints; the fluid adapter module includes a plurality of locking members respectively installed in the plurality of first pairs of adapters; and the unlocking member is capable of simultaneously axially pushing the plurality of locking members from the locking position to the unlocking position.

[0019] According to another exemplary embodiment of the present application, the first pair of adapters and the second pair of adapters are identical, so that either of the first pair of adapters and the second pair of adapters is capable of not only matingly connecting with the pipe joint, but also matingly connecting with the connecting pipe.

[0020] According to another aspect of the present application, there is provided an electrical connection product. The electrical connection product comprises: a power transmission member comprising an insulator and a first metal row and a second metal row wrapped in the insulator, a cooling passage being formed in the insulator; an insulating cap assembly comprising an insulating cap sealingly fitted onto an end portion of the power transmission member, a pipe joint being formed on the insulating cap; and the aforementioned fluid transfer module, a first pair of mating connectors of which is mated with the pipe joint, a second pair of mating connectors of the fluid transfer module being used for mating with a connecting pipe of a cooling circuit to allow cooling fluid to flow between the cooling passage of the power transmission member and the cooling circuit via the fluid transfer module.

[0021] According to an exemplary embodiment of the present application, two cooling passages are formed in the insulator, the insulator having an intermediate partition wall separating the two cooling passages; the two cooling passages are adjacent to the first metal row and the second metal row respectively, so that the first metal row and the second metal row can be cooled by cooling fluid flowing through the two cooling passages respectively.

[0022] According to another exemplary embodiment of the present application, the insulator has an isolation wall separating the cooling passage and the first metal row and the second metal row, so that cooling fluid flowing through the cooling passage cannot be in physical contact with the first metal row and the second metal row.

[0023] According to another exemplary embodiment of the present application, the insulator is an injection molded piece directly molded on the first metal row and the second metal row by an insert injection molding process, so that the first metal row and the second metal row and the insulator become an integral piece.

[0024] According to another exemplary embodiment of the present application, the insulating cap comprises: a peripheral wall fitted on the end portion of the power transmission member; and an end wall connected with the peripheral wall, the pipe joint being formed on the end wall, a threaded hole being formed on an end face of the insulator, a connecting hole corresponding to the threaded hole being formed on the end wall, the insulating cap assembly further comprising a threaded member passing through the connecting hole and being screwed into the threaded hole to fix the insulating cap onto the end portion of the power transmission member.

[0025] According to another exemplary embodiment of the present application, the insulating cap assembly further comprises: a seal comprising an annular body and being pressed between the end wall of the insulating cap and the end face of the power transmission member to achieve sealing therebetween, the connecting hole and the threaded hole being located outside an area surrounded by the annular body of the seal, the pipe joint and an end opening of the cooling passage of the power transmission member being located inside the area surrounded by the annular body of the seal.

[0026] According to another exemplary embodiment of the present application, the first metal row and the second metal row each have a top surface and a bottom surface opposite to each other in a thickness direction thereof, and two side surfaces opposite to each other in a width direction thereof; the first metal row and the second metal row are arranged side by side and spaced apart from each other in the width direction thereof, and the cooling passage is located between the side surface of the first metal row and the side surface of the second metal row.

[0027] According to another exemplary embodiment of the present application, the insulation cap has two pipe joints respectively communicating with the two cooling passages of the power transmission member and respectively connected with the two first mating connectors of the fluid transfer module, so that the cooling fluid can flow into or out of the two cooling passages respectively via the two pipe joints.

[0028] According to another exemplary embodiment of the present application, the insulation cap further has a partition rib formed on the inner side of the end wall, and the seal further has an isolation rib located in and connected with the annular body; the isolation rib of the seal is pressed between the partition rib of the insulation cap and the end surface of the intermediate partition wall of the insulation body, so as to isolate the end opening of the two fluid passages and the two pipe joints.

[0029] According to another exemplary embodiment of the present application, the electrical connection product further comprises a housing, and first and second terminals inserted into the housing; the first metal row and the second metal row are respectively electrically connected to the first and second terminals, the insulation cap is inserted into the housing, and the pipe joints of the insulation cap are exposed outside the housing for mating connection with the first mating connectors.

[0030] According to another exemplary embodiment of the present application, the insulation cap assembly further comprises an outer sealing ring sleeved on the insulation cap, which is radially pressed between the insulation cap and the housing to achieve sealing therebetween.

[0031] In the foregoing exemplary embodiments of the present application, the fluid transfer module can conveniently and quickly connect the cooling passage of the power transmission member to the cooling circuit, and the use is very convenient.

[0032] In the foregoing exemplary embodiments of the present application, the power transmission member has the cooling passage located between the first metal row and the second metal row, so that the first metal row and the second metal row can be sufficiently cooled by the cooling fluid flowing through the cooling passage. The cooling passage of the present application has a large cooling area and high cooling efficiency, and can effectively reduce the temperature rise of the power transmission member without increasing the cross-sectional area of the metal row.

[0033] Other objects and advantages of the present application will become apparent and the present application will be fully understood from the following description, when read in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0034] FIG. 1 shows an exploded view of an electrical connection product according to an exemplary embodiment of the present application;

[0035] FIG. 2 shows an assembled view of an electrical connection product according to an exemplary embodiment of the present application;

[0036] FIG. 3 shows an exploded view of a fluid transfer module and an insulating cap according to an exemplary embodiment of the present application;

[0037] FIG. 4 shows a perspective view of a fluid transfer module according to an exemplary embodiment of the present application;

[0038] FIG. 5 shows an exploded cross-sectional view of a fluid transfer module and an insulating cap according to an exemplary embodiment of the present application;

[0039] FIG. 6 shows a horizontal cross-sectional view of a fluid transfer module and an insulating cap according to an exemplary embodiment of the present application;

[0040] FIG. 7 shows a vertical cross-sectional view of a fluid transfer module according to an exemplary embodiment of the present application;

[0041] FIG. 8 shows an exploded view of a fluid transfer module according to an exemplary embodiment of the present application;

[0042] FIG. 9 shows a plan cross-sectional view of a fluid transfer module according to an exemplary embodiment of the present application, with the unlocking member in a first position;

[0043] FIG. 10 shows a plan cross-sectional view of a fluid transfer module according to an exemplary embodiment of the present application, with the unlocking member in a second position;

[0044] FIG. 11 shows a plan cross-sectional view of a fluid transfer module according to an exemplary embodiment of the present application, with the unlocking member in a pre-armed position;

[0045] FIG. 12 shows a perspective view of an electrical connection product according to another exemplary embodiment of the present application, with the fluid transfer module not shown;

[0046] FIG. 13 shows FIG. 12 exploded view of the electrical connection product shown;

[0047] FIG. 14 shows FIG. 12 assembled view of the power transfer member, first terminal, and second terminal of the electrical connection product shown;

[0048] FIG. 15 shows FIG. 12 exploded view of the power transfer member, first terminal, and second terminal of the electrical connection product shown;

[0049] FIG. 16 shows FIG. 12 perspective view of the power transfer member and insulator cap assembly of the electrical connection product shown;

[0050] FIG. 17 shows FIG. 16 cross-sectional view of the power transfer member and insulator cap assembly of the electrical connection product shown;

[0051] FIG. 18 shows FIG. 16 exploded view of the power transfer member and insulator cap assembly of the electrical connection product shown;

[0052] FIG. 19 shows FIG. 16 exploded cross-sectional view of the power transfer member and insulator cap assembly of the electrical connection product shown. DETAILED DESCRIPTION

[0053] The technical solutions of the present application will be further described below by way of examples in conjunction with the accompanying drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application and should not be understood as a limitation of the present application.

[0054] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the accompanying drawings.

[0055] According to one general inventive concept, a fluid transfer module is provided. The fluid transfer module includes a housing. The housing includes a housing body defining an internal cavity for containing a cooling fluid, a first pair of fittings formed on an outer side of the housing body and in communication with the internal cavity, and a second pair of fittings formed on the outer side of the housing body and in communication with the internal cavity. The first pair of fittings is configured to mate with a tube fitting on an insulating cap of a power transmission member, and the second pair of fittings is configured to mate with a connection tube of a cooling circuit, such that a cooling passage within the power transmission member can be connected to the cooling circuit via the fluid transfer module.

[0056] According to another general inventive concept, an electrical connection product is provided. The electrical connection product includes a power transmission member including an insulator and first and second metal arrays wrapped in the insulator, a cooling passage being formed in the insulator, an insulating cap assembly including an insulating cap sealingly fitted onto an end of the power transmission member, a tube fitting being formed on the insulating cap, and the aforementioned fluid transfer module having its first pair of fittings mated with the tube fitting, the second pair of fittings of the fluid transfer module being configured to mate with a connection tube of a cooling circuit to allow a cooling fluid to flow between the cooling passage of the power transmission member and the cooling circuit via the fluid transfer module.

[0057] FIG. 1 An exploded view of an electrical connection product according to an exemplary embodiment of the present invention is shown; FIG. 2 An assembled view of an electrical connection product according to an exemplary embodiment of the present invention is shown; FIG. 3 An exploded view of a fluid transfer module 8 and an insulating cap 2 according to an exemplary embodiment of the present invention is shown; FIG. 4 A perspective view of a fluid transfer module 8 according to an exemplary embodiment of the present invention is shown; FIG. 5 An exploded cross-sectional view of a fluid transfer module 8 and an insulating cap 2 according to an exemplary embodiment of the present invention is shown; FIG. 6 A horizontal cross-sectional view of a fluid transfer module 8 and an insulating cap 2 according to an exemplary embodiment of the present invention is shown; FIG. 7 A vertical cross-sectional view of a fluid transfer module 8 according to an exemplary embodiment of the present invention is shown; FIG. 8 An exploded view of a fluid transfer module 8 according to an exemplary embodiment of the present invention is shown; FIG. 9 A plan cross-sectional view of a fluid transfer module 8 according to an exemplary embodiment of the present invention is shown, with the unlocking member 84 in a first position; FIG. 10 A plan cross-sectional view of a fluid transfer module 8 according to an exemplary embodiment of the present invention is shown, with the unlocking member 84 in a second position; FIG. 11shows a plan sectional view of a fluid transfer module 8 according to an exemplary embodiment of the present application, wherein the unlocking member 84 is in a pre-armed position.

[0058] As shown in FIGS. 1-11 , in an exemplary embodiment of the present application, a fluid transfer module 8 is disclosed. The fluid transfer module 8 comprises a housing 80. The housing 80 comprises a housing body 810, a first pair of fittings 81 and a second pair of fittings 82. The housing body 810 defines an internal cavity 803 for containing a cooling fluid. The first pair of fittings 81 is formed on an outer side of the housing body 810 and communicates with the internal cavity 803. The second pair of fittings 82 is formed on an outer side of the housing body 810 and communicates with the internal cavity 803. The first pair of fittings 81 is configured to be coupled to the pipe fittings 20 on the insulating cap 2 of the power transmission member 1, and the second pair of fittings 82 is configured to be coupled to the connecting pipes (not shown) of the cooling circuit (not shown) so that the cooling passage 10 (see FIGS. 1-11 ) in the power transmission member 1 can be connected to the cooling circuit via the fluid transfer module 8.

[0059] As shown in FIGS. 1-11 , in the illustrated embodiment, two internal cavities 803 are defined in the housing body 810 and are separated from each other, and the housing 80 comprises two first pairs of fittings 81 which respectively communicate with the two internal cavities 803 and are configured to be coupled to the two pipe fittings 20 on the insulating cap 2 of the power transmission member 1.

[0060] As shown in FIGS. 1-11 , in the illustrated embodiment, the housing 80 comprises two second pairs of fittings 82 which respectively communicate with the two internal cavities 803 and are configured to be coupled to the two connecting pipes of the cooling circuit.

[0061] As shown in FIGS. 1-11 , in the illustrated embodiment, the first pair of fittings 81 has a first insertion hole 801 for inserting the pipe fitting 20, and the second pair of fittings 82 has a second insertion hole 802 for inserting the connecting pipe, and the first insertion hole 801 and the second insertion hole 802 communicate with the internal cavity 803.

[0062] As shown in FIGS. 1-11 , in the illustrated embodiment, the first pair of fittings 81 is formed on an outer side of a rear wall of the housing body 810, the second pair of fittings 82 is formed on a bottom wall of the housing body 810, and the housing body 810 has a front opening opposite to the rear wall. The housing 80 further comprises a front cover 83 which is mounted on the front opening of the housing body 810 to close the front opening of the housing body 810.

[0063] As shown in FIGS. 1-11As shown, in the illustrated embodiment, the fluid transfer module 8 further includes a screw 85 and a sealing ring 86. The screw 85 passes through the front cover 83 and is threaded onto the front side of the housing body 810 to secure the front cover 83 to the front side of the housing body 810. The sealing ring 86 is pressed between the front cover 83 and the housing body 810 to achieve a seal between the two.

[0064] like FIGS. 1-11 As shown in the illustrated embodiment, the fluid transfer module 8 further includes a locking element (not shown) inserted into the first mating connector 81 for locking the pipe connector 20 into the first mating connector 81. The locking element is movable along the axial direction of the first mating connector 81 between a locked position engaged with the pipe connector 20 and an unlocked position disengaged from the pipe connector 20. The aforementioned locking element can be any suitable locking element in the prior art; therefore, reference can be made to locking elements in the prior art. For the sake of brevity, the locking element will not be described further herein.

[0065] like FIGS. 1-11 As shown in the illustrated embodiment, the fluid transfer module 8 further includes an unlocking member 84, which is mounted on the housing body 810 and is capable of radial movement along the first pair of mating connectors 81. An inclined surface 84b is formed on the unlocking member 84, which is axially inclined to the first pair of mating connectors 81. The inclined surface 84b is used to convert the radial movement of the unlocking member 84 into the axial movement of the locking member, so that the locking member can be axially pushed from the locked position to the unlocked position by the unlocking member 84.

[0066] like FIG. 9 As shown, in the illustrated embodiment, the unlocking member 84 can be positioned radially along the first mating joint 81 at a first position ( FIG. 10 The position shown) and the second position ( FIGS. 1-11 The locking member moves between the positions shown. When the unlocking member 84 is moved to the first position, the unlocking member 84 axially pushes the locking member to the unlock position via its inclined surface 84b. When the unlocking member 84 is moved to the second position, the unlocking member 84 separates from the locking member and the locking member automatically and elastically returns to the locked position.

[0067] like FIGS. 1-11 As shown in the illustrated embodiment, the shell body 810 has a mounting portion 820 located on its outer side. The mounting portion 820 has a bottom plate 822 and a pair of side plates 821. A first pair of mating joints 81 are located in the mounting portion 820. The unlocking member 84 is movably mounted on the mounting portion 820 and is capable of moving vertically between a first position and a second position.

[0068] like FIGS. 1-11As shown in the illustrated embodiment, slots 82b extending in a vertical direction are formed on the inner side of a pair of side plates 821 of the mounting portion 820. The two sides of the unlocking member 84 are respectively inserted into the slots 82b of the pair of side plates 821 and can move between a first position and a second position along the slots 82b.

[0069] like FIGS. 1-11 As shown in the illustrated embodiment, a slot 82a is formed on the base plate 822 of the mounting portion 820. The unlocking member 84 has an elastic buckle 840 passing through the slot 82a. A first rib 841 and a second rib 842 located below the first rib 841 are formed on the elastic buckle 840. When the unlocking member 84 is moved to a first position, the first rib 841 abuts against the lower edge of the slot 82a to hold the unlocking member 84 in the first position. When the unlocking member 84 is moved to a second position, the second rib 842 abuts against the upper edge of the slot 82a to hold the unlocking member 84 in the second position.

[0070] like FIGS. 1-11 As shown in the illustrated embodiment, an annular groove 81a is formed on the outer peripheral surface of the end of the first pair of mating joints 81, and the unlocking member 84 also has an arcuate plate 84a located above the annular groove 81a. When the unlocking member 84 is moved to the first position, the arcuate plate 84a of the unlocking member 84 is inserted into the annular groove 81a to prevent the unlocking member 84 from moving axially in the first pair of mating joints 81, so that the unlocking member 84 is reliably held in the first position.

[0071] like FIG. 11 As shown, in the illustrated embodiment, when the unlocking member 84 is moved to the pre-installed position located between the first position and the second position ( FIGS. 1-11 When in the position shown, the first rib 841 abuts against the upper edge of the slot 82a to hold the unlocking member 84 in the pre-installed position. When the unlocking member 84 is in the pre-installed position, the unlocking member 84 does not interfere with the locking member and the pipe connector 20, allowing the pipe connector 20 to be inserted into the first mating connector 81.

[0072] like FIGS. 1-11 As shown in the illustrated embodiment, the housing 80 includes a plurality of first mating connectors 81 for mating with a plurality of pipe fittings 20 respectively. The fluid transfer module 8 includes a plurality of locking members, each mounted in one of the plurality of first mating connectors 81. The unlocking member 84 is capable of simultaneously pushing the plurality of locking members axially from the locked position to the unlocked position.

[0073] like FIG. 12As shown, in the illustrated embodiment, the first pair of fittings 81 and the second pair of fittings 82 are identical, such that either of the first pair of fittings 81 and the second pair of fittings 82 can be coupled not only to the pipe fitting 20, but also to the connection pipe.

[0074] FIG. 13 shows a perspective view of an electrical connection product according to another exemplary embodiment of the present application, wherein the fluid transfer module is not shown; FIG. 12 shows FIG. 14 shows an exploded view of the electrical connection product shown; FIG. 12 shows FIG. 15 shows an assembled view of the power transmission member 1, the first terminal 31 and the second terminal 32 of the electrical connection product shown; FIG. 12 shows FIG. 16 shows an exploded view of the power transmission member 1, the first terminal 31 and the second terminal 32 of the electrical connection product shown; FIG. 12 shows FIG. 17 shows a perspective view of the power transmission member 1 and the insulating cap assembly 200 of the electrical connection product shown; FIG. 16 shows FIG. 18 shows a cross-sectional view of the power transmission member 1 and the insulating cap assembly 200 of the electrical connection product shown; FIG. 16 shows FIG. 19 shows an exploded view of the power transmission member 1 and the insulating cap assembly 200 of the electrical connection product shown; FIG. 16 shows FIGS. 1-19 shows an exploded cross-sectional view of the power transmission member 1 and the insulating cap assembly 200 of the electrical connection product shown.

[0075] As FIGS. 1-19 As shown, in another exemplary embodiment of the present application, an electrical connection product is also disclosed. The electrical connection product comprises: a power transmission member 1, an insulating cap assembly 200 and a fluid transfer module 8. The power transmission member 1 comprises an insulator 13 and a first metal row 11 and a second metal row 12 wrapped in the insulator 13, in which a cooling passage 10 is formed. The insulating cap assembly 200 comprises an insulating cap 2 sealingly fitted onto an end of the power transmission member 1, in which a pipe fitting 20 is formed. A first pair of fittings 81 of the fluid transfer module 8 is coupled to the pipe fitting 20. A second pair of fittings 82 of the fluid transfer module 8 is used to be coupled to a connection pipe of a cooling circuit, to allow a cooling fluid to flow between the cooling passage 10 of the power transmission member 1 and the cooling circuit via the fluid transfer module 8.

[0076] As FIGS. 1-19As shown in the illustrated embodiment, two cooling passages 10 are formed in the insulator 13, which has an intermediate partition wall 13a partitioning the two cooling passages 10. The two cooling passages 10 are adjacent to the first metal row 11 and the second metal row 12, respectively, so that the first metal row 11 and the second metal row 12 can be cooled by the cooling fluid flowing through the two cooling passages 10, respectively.

[0077] As shown in the illustrated embodiment, the insulator 13 has a partition wall 13b partitioning the cooling passage 10 and the first metal row 11 and the second metal row 12, so that the cooling fluid flowing through the cooling passage 10 cannot be in physical contact with the first metal row 11 and the second metal row 12. FIGS. 1-19 As shown in the illustrated embodiment, the insulator 13 is an injection molded piece directly molded on the first metal row 11 and the second metal row 12 by an insert injection molding process, so that the first metal row 11 and the second metal row 12 and the insulator 13 become an integral piece.

[0078] FIGS. 1-19 As shown in the illustrated embodiment, the insulator cap assembly 200 further includes a seal 3, which includes an annular body 30 and is pressed between the end wall 220 of the insulator cap 2 and the end face of the power transmission member 1 to achieve sealing therebetween. The connection hole and the threaded hole 103 are located outside the area surrounded by the annular body 30 of the seal 3, and the end opening of the pipe joint 20 and the cooling passage 10 of the power transmission member 1 are located inside the area surrounded by the annular body 30 of the seal 3.

[0079] As shown in the illustrated embodiment, the insulator cap assembly 200 further includes a seal 3, which includes an annular body 30 and is pressed between the end wall 220 of the insulator cap 2 and the end face of the power transmission member 1 to achieve sealing therebetween. The connection hole and the threaded hole 103 are located outside the area surrounded by the annular body 30 of the seal 3, and the end opening of the pipe joint 20 and the cooling passage 10 of the power transmission member 1 are located inside the area surrounded by the annular body 30 of the seal 3. FIGS. 1-19 As shown in the illustrated embodiment, the insulator cap assembly 200 further includes a seal 3, which includes an annular body 30 and is pressed between the end wall 220 of the insulator cap 2 and the end face of the power transmission member 1 to achieve sealing therebetween. The connection hole and the threaded hole 103 are located outside the area surrounded by the annular body 30 of the seal 3, and the end opening of the pipe joint 20 and the cooling passage 10 of the power transmission member 1 are located inside the area surrounded by the annular body 30 of the seal 3.

[0080] FIGS. 1-19 As shown in the illustrated embodiment, the insulator cap assembly 200 further includes a seal 3, which includes an annular body 30 and is pressed between the end wall 220 of the insulator cap 2 and the end face of the power transmission member 1 to achieve sealing therebetween. The connection hole and the threaded hole 103 are located outside the area surrounded by the annular body 30 of the seal 3, and the end opening of the pipe joint 20 and the cooling passage 10 of the power transmission member 1 are located inside the area surrounded by the annular body 30 of the seal 3.

[0081] As shown in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have opposite top and bottom surfaces in the thickness direction thereof and two opposite side surfaces in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, and the cooling passage 10 is located between the side surface of the first metal row 11 and the side surface of the second metal row 12. FIGS. 1-19 As shown in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have opposite top and bottom surfaces in the thickness direction thereof and two opposite side surfaces in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, and the cooling passage 10 is located between the side surface of the first metal row 11 and the side surface of the second metal row 12.​​

[0082] As FIGS. 1-19 shown, in the illustrated embodiment, the insulation cap 2 has two pipe joints 20 respectively communicating with the two cooling passages 10 of the power transmission member 1 and respectively connected with the two first mating connectors 81 of the fluid transfer module 8, so that the cooling fluid can respectively flow into or out of the two cooling passages 10 via the two pipe joints 20 respectively.

[0083] As FIGS. 1-19 shown, in the illustrated embodiment, the insulation cap 2 further has a partition rib 22a formed on the inner side of the end wall 22, and the seal 3 further has an isolation rib 3a located in and connected with the annular body 30. The isolation rib 3a of the seal 3 is pressed between the partition rib 22a of the insulation cap 2 and the end face of the intermediate partition wall 13a of the insulation 13, so as to isolate the end opening of the two fluid passages 10 and the two pipe joints 20.

[0084] As FIGS. 1-19 shown, in the illustrated embodiment, the electrical connection product further comprises the housing 5, the first terminal 31 and the second terminal 32. The first terminal 31 and the second terminal 32 are inserted into the housing 5. The first metal row 11 and the second metal row 12 are respectively electrically connected to the first terminal 31 and the second terminal 32. The insulation cap 2 is inserted into the housing 5, and the pipe joints 20 of the insulation cap 2 are externally exposed from the housing 5 for mating connection with the first mating connectors 81.

[0085] As FIGS. 12-19 shown, in the illustrated embodiment, the insulation cap assembly 200 further comprises an outer sealing ring 4 sleeved on the insulation cap 2. The outer sealing ring 4 is radially pressed between the insulation cap 2 and the housing 5 to realize sealing therebetween.

[0086] As FIGS. 12-19 shown, in another exemplary embodiment of the present application, an electrical connection product is also disclosed. The electrical connection product comprises the housing 5, the first terminal 31, the second terminal 32 and the power transmission member 1. The first terminal 31 and the second terminal 32 are inserted into the housing 5. The power transmission member 1 comprises the insulation 13 and the first metal row 11 and the second metal row 12 electrically isolated by the insulation 13 and wrapped in the insulation 13. The first metal row 11 has a first connecting end 110 electrically connected to the first terminal 31, and the second metal row 12 has a second connecting end 120 electrically connected to the second terminal 32, the first connecting end 110 and the second connecting end 120 being wrapped in the insulation 13 and not extending out of the insulation 13.

[0087] As FIGS. 12-19As shown in the illustrated embodiment, the first terminal 31 and the second terminal 32 extend along the longitudinal direction Y of the housing 5, and the power transmission member 1 extends along the transverse direction X of the housing 5, such that the extension direction of the power transmission member 1 is perpendicular to the extension direction of the first terminal 31 and the second terminal 32.

[0088] like FIGS. 12-19 As shown in the illustrated embodiment, the rear ends of the first terminal 31 and the second terminal 32 are offset by a first spacing and a second spacing in the longitudinal direction Y and the transverse direction X of the housing 5, respectively. The first connecting end 110 and the second connecting end 120 are offset by a first spacing and a second spacing in the longitudinal direction Y and the transverse direction X of the housing 5, respectively. The rear end of the first terminal 31 is electrically connected to the first connecting end 110, and the rear end of the second terminal 32 is electrically connected to the first connecting end 110.

[0089] like FIGS. 12-19 As shown in the illustrated embodiment, the power transmission component 1 is flat, and the first metal busbar 11 and the second metal busbar 12 are flat aluminum busbars or flat copper busbars.

[0090] like FIGS. 12-19 As shown, in the illustrated embodiment, the first metal bar 11 and the second metal bar 12 are arranged side by side in the width direction of the power transmission component 1.

[0091] like FIGS. 12-19 As shown in the illustrated embodiment, the electrical connection product further includes a first conductive component 21 and a second conductive component 22. The first conductive component 21 is electrically connected between the first connection end 110 of the first metal busbar 11 and the rear end of the first terminal 31. The second conductive component 22 is electrically connected between the second connection end 120 of the second metal busbar 12 and the rear end of the second terminal 32. In the illustrated embodiment, the first conductive component 21, the second conductive component 22, the first terminal 31, and the second terminal 32 can be copper components, and the first metal busbar 11 and the second metal busbar 12 can be aluminum busbars.

[0092] like FIGS. 12-19 As shown, in the illustrated embodiment, the first conductive component 21 is cylindrical, with one end welded to the first connection end 110 of the first metal busbar 11, and the other end extending from the insulator 13 for electrical contact with the first terminal 31.

[0093] like FIGS. 12-19 As shown, in the illustrated embodiment, the electrical connection product further includes a first nut 41b and a first bolt 41a. The first nut 41b is secured to the rear end of the first terminal 31. The first bolt 41a passes through the first conductive member 21 and the first terminal 31 and is threadedly connected to the first nut 41b to fasten the first conductive member 21 to the first terminal 31.

[0094] like FIGS. 12-19As shown, in the illustrated embodiment, the second conductive component 22 is cylindrical, with one end welded to the second connection end 120 of the second metal busbar 12, and the other end extending from the insulator 13 for electrical contact with the second terminal 32.

[0095] like FIGS. 12-19 As shown in the illustrated embodiment, the electrical connection product further includes a second nut 42b and a second bolt 42a. The second nut 42b is secured to the rear end of the second terminal 32. The second bolt 42a passes through the second conductive member 22 and the second terminal 32 and is threadedly connected to the second nut 42b to fasten the second conductive member 22 to the second terminal 32.

[0096] like FIGS. 12-19 As shown in the illustrated embodiment, the housing 5 has two opposing sides in its transverse X direction and a top side and a bottom side in its vertical Z direction. An insertion port is formed on one transverse X side of the housing 5, and a first mounting hole 51 and a second mounting hole 52 are formed on the top or bottom side of the housing 5. The end of the power transmission component 1 and the first conductive component 21 and the second conductive component 22 are inserted into the housing 5 through the insertion port, and the first bolt 41a and the second bolt 42a enter the housing 5 through the first mounting hole 51 and the second mounting hole 52, respectively.

[0097] like FIGS. 12-19 As shown in the illustrated embodiment, the electrical connection product is a charging socket suitable for mating with a charging gun, and the first terminal 31 and the second terminal 32 are the charging terminals of the charging socket.

[0098] like FIGS. 12-19 As shown in the illustrated embodiment, a cooling passage 10 is formed in the insulator 13, the cooling passage 10 being located between the first metal bar 11 and the second metal bar 12, such that the first metal bar 11 and the second metal bar 12 can be cooled by the cooling fluid flowing through the cooling passage 10.

[0099] like FIGS. 12-19 As shown, in the illustrated embodiment, two cooling passages 10 are formed in the insulator 13, and the insulator 13 has an intermediate partition wall 13a separating the two cooling passages 10. The two cooling passages 10 are adjacent to the first metal busbar 11 and the second metal busbar 12, respectively, such that the first metal busbar 11 and the second metal busbar 12 can be cooled by the cooling fluid flowing through the two cooling passages 10, respectively.

[0100] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, a single cooling passage 10 may be formed in the insulator 13, such that the first metal bar 11 and the second metal bar 12 can be cooled simultaneously by the cooling fluid flowing through the single cooling passage 10.

[0101] likeFIGS. 12-19 As shown, in the illustrated embodiment, the insulator 13 has a partition wall 13b that separates the cooling passage 10 from the first metal row 11 and the second metal row 12, so that the cooling fluid flowing through the cooling passage 10 cannot be in physical contact with the first metal row 11 and the second metal row 12.

[0102] As shown, in the illustrated embodiment, the insulator 13 is a molded piece that is directly molded on the first metal row 11 and the second metal row 12 by an insert injection molding process, so that the first metal row 11 and the second metal row 12 and the insulator 13 become an integral piece. FIGS. 12-19

[0103] As shown, in the illustrated embodiment, the electric connection product further comprises an insulating cap assembly 200. The insulating cap assembly 200 comprises an insulating cap 2 that is sealingly fitted onto the end portion of the power transmission piece 1. A pipe joint 20 for connecting to a connecting pipe (not shown) of a cooling circuit is formed on the insulating cap 2, and the pipe joint 20 is in communication with the end opening of the cooling passage 10 of the power transmission piece 1 to allow the cooling fluid to flow into or out of the cooling passage 10 of the power transmission piece 1 via the pipe joint 20. FIGS. 12-19

[0104] As shown, in the illustrated embodiment, the insulating cap 2 comprises a peripheral wall 210 and an end wall 220. The peripheral wall 210 is fitted on the end portion of the power transmission piece 1. The end wall 220 is connected to the peripheral wall 210. The pipe joint 20 is formed on the end wall 220, and a threaded hole 103 is formed on the end surface of the insulator 13, and a connecting hole corresponding to the threaded hole 103 is formed on the end wall 220. The insulating cap assembly 200 further comprises a threaded member 2a that passes through the connecting hole and is screwed into the threaded hole 103 to fix the insulating cap 2 to the end portion of the power transmission piece 1. FIGS. 12-19

[0105] As shown, in the illustrated embodiment, the insulating cap assembly 200 further comprises a seal 3 that comprises an annular body 30 and is pressed between the end wall 220 of the insulating cap 2 and the end surface of the power transmission piece 1 to achieve sealing therebetween. The connecting hole and the threaded hole 103 are located outside the area surrounded by the annular body 30 of the seal 3, and the pipe joint 20 and the end opening of the cooling passage 10 of the power transmission piece 1 are located inside the area surrounded by the annular body 30 of the seal 3. FIGS. 12-19

[0106] As shown, in the illustrated embodiment, the insulating cap 2 comprises a peripheral wall 210 and an end wall 220. The peripheral wall 210 is fitted on the end portion of the power transmission piece 1. The end wall 220 is connected to the peripheral wall 210. The pipe joint 20 is formed on the end wall 220, and a threaded hole 103 is formed on the end surface of the insulator 13, and a connecting hole corresponding to the threaded hole 103 is formed on the end wall 220. The insulating cap assembly 200 further comprises a threaded member 2a that passes through the connecting hole and is screwed into the threaded hole 103 to fix the insulating cap 2 to the end portion of the power transmission piece 1. FIGS. 12-19 ​​​​As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0107] As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12. FIGS. 12-19 As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0108] FIGS. 12-19 As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0109] As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12. FIGS. 12-19 As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0110] FIGS. 12-19 As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0111] As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12. FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 FIGS. 12-19 As shown, in the illustrated embodiment, the first metal row 11 and the second metal row 12 each have a top surface and a bottom surface opposite in the thickness direction thereof and two side surfaces opposite in the width direction thereof. The first metal row 11 and the second metal row 12 are arranged side by side and spaced apart in the width direction thereof, with the cooling passage 10 located between the side surface of the first metal row 11 and the side surface of the second metal row 12.

[0112] ​​Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements on them, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the present application.

[0113] Although the present application is illustrated with reference to the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present application, and cannot be understood as a limitation of the present application.

[0114] Although some embodiments of the general concept of the present application have been shown and described, those of ordinary skill in the art will understand that changes can be made in these embodiments without departing from the principles and spirit of the general concept of the present application, and the scope of the present application is defined by the claims and their equivalents.

[0115] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Also, any reference signs in the claims should not be construed as limiting the scope of the application.

Claims

1. A fluid transfer module, characterized in that, include: The housing (80) includes: The shell body (810) defines an inner cavity (803) for containing cooling fluid; The first pair of mating joints (81) are formed on the outer side of the shell body (810) and communicate with the inner cavity (803); and The second pair of mating joints (82) are formed on the outer side of the shell body (810) and communicate with the inner cavity (803). The first mating connector (81) is used to mate with the pipe connector (20) on the insulating cap (2) of the power transmission component (1), and the second mating connector (82) is used to mate with the connecting pipe of the cooling circuit, so that the cooling passage (10) in the power transmission component (1) can be connected to the cooling circuit via the fluid transfer module (8).

2. The fluid transfer module according to claim 1, characterized in that: The shell body (810) defines two separate cavities (803), and the shell (80) includes two first mating joints (81) that communicate with the two cavities (803) respectively. The two first mating joints (81) are used to mate with two pipe joints (20) on the insulating cap (2) of the power transmission component (1).

3. The fluid transfer module according to claim 2, characterized in that: The outer casing (80) includes two second mating connectors (82) that are respectively connected to the two inner cavities (803), and the two second mating connectors (82) are used to be mated and connected to the two connecting pipes of the cooling circuit respectively.

4. The fluid transfer module according to claim 1, characterized in that: The first pair of mating connectors (81) has a first insertion hole (801) for inserting the pipe connector (20), and the second pair of mating connectors (82) has a second insertion hole (802) for inserting the connecting pipe. The first insertion hole (801) and the second insertion hole (802) communicate with the inner cavity (803).

5. The fluid transfer module according to claim 1, characterized in that: The first pair of mating joints (81) are formed on the outer side of the rear wall of the shell body (810), and the second pair of mating joints (82) are formed on the bottom wall of the shell body (810), the shell body (810) having a front opening opposite to its rear wall; The outer casing (80) also includes: A front cover (83) is installed on the front opening of the shell body (810) to close the front opening of the shell body (810).

6. The fluid transfer module according to claim 5, characterized in that, Also includes: A screw (85) passes through the front cover (83) and is threaded onto the front side of the shell body (810) to secure the front cover (83) to the front side of the shell body (810); and A sealing ring (86) is pressed between the front cover (83) and the shell body (810) to achieve a seal between the two.

7. The fluid transfer module according to claim 1, characterized in that, Also includes: A locking element, inserted into the first mating connector (81), is used to lock the pipe fitting (20) into the first mating connector (81). The locking member is movable along the axial direction of the first mating joint (81) between a locked position engaged with the pipe joint (20) and an unlocked position separated from the pipe joint (20).

8. The fluid transfer module according to claim 7, characterized in that, Also includes: The unlocking element (84), mounted on the housing body (810), is capable of radial movement along the first mating joint (81). An inclined surface (84b) is formed on the unlocking member (84) that is axially inclined to the first mating joint (81). The inclined surface (84b) is used to convert the radial movement of the unlocking member (84) into the axial movement of the locking member, so that the locking member can be axially pushed from the locking position to the unlocking position by the unlocking member (84).

9. The fluid transfer module according to claim 8, characterized in that: The unlocking member (84) is capable of moving radially between a first position and a second position along the first mating joint (81); When the unlocking member (84) is moved to the first position, the unlocking member (84) axially pushes the locking member to the unlock position through the inclined surface (84b) thereon; When the unlocking member (84) is moved to the second position, the unlocking member (84) separates from the locking member and the locking member automatically and elastically resets to the locked position.

10. The fluid transfer module according to claim 9, characterized in that: The shell body (810) has a mounting portion (820) located on its outer side, the mounting portion (820) having a bottom plate (822) and a pair of side plates (821), the first pair of mating joints (81) being located in the mounting portion (820), and the unlocking member (84) being movably mounted on the mounting portion (820) and capable of moving vertically between the first position and the second position.

11. The fluid transfer module according to claim 10, characterized in that: A slot (82b) extending vertically is formed on the inner side of a pair of side plates (821) of the mounting part (820). The two sides of the unlocking member (84) are respectively inserted into the slots (82b) of the pair of side plates (821) and can move between the first position and the second position along the slots (82b).

12. The fluid transfer module according to claim 11, characterized in that: A slot (82a) is formed on the base plate (822) of the mounting part (820), and the unlocking member (84) has an elastic buckle (840) passing through the slot (82a). A first protruding rib (841) and a second protruding rib (842) located below the first protruding rib (841) are formed on the elastic buckle (840). When the unlocking member (84) is moved to the first position, the first protruding rib (841) abuts against the lower edge of the slot (82a) to hold the unlocking member (84) in the first position; When the unlocking member (84) is moved to the second position, the second rib (842) abuts against the upper edge of the slot (82a) to hold the unlocking member (84) in the second position.

13. The fluid transfer module according to claim 12, characterized in that: An annular groove (81a) is formed on the outer peripheral surface of the end of the first pair of mating joints (81), and the unlocking member (84) also has an arc-shaped plate (84a) located above the annular groove (81a); When the unlocking member (84) is moved to the first position, the arc plate (84a) of the unlocking member (84) is inserted into the annular slot (81a) to prevent the unlocking member (84) from moving axially in the first mating joint (81), so that the unlocking member (84) is reliably held in the first position.

14. The fluid transfer module according to claim 12, characterized in that: When the unlocking member (84) is moved to the pre-installed position between the first position and the second position, the first protruding rib (841) abuts against the upper edge of the slot (82a) to hold the unlocking member (84) in the pre-installed position. When the unlocking member (84) is in the pre-installed position, the unlocking member (84) does not interfere with the locking member and the pipe fitting (20) to allow the pipe fitting (20) to be inserted into the first mating fitting (81).

15. The fluid transfer module according to claim 8, characterized in that: The housing (80) includes a plurality of first mating connectors (81), which are used to mate and connect with a plurality of pipe connectors (20) respectively; The fluid transfer module (8) includes multiple locking elements, which are respectively installed in the multiple first mating connectors (81); The unlocking member (84) can simultaneously push the plurality of locking members axially from the locking position to the unlocking position.

16. The fluid transfer module according to any one of claims 1-15, characterized in that: The first mating connector (81) and the second mating connector (82) are identical, such that either the first mating connector (81) or the second mating connector (82) can be mated and connected not only to the pipe connector (20) but also to the connecting pipe.

17. An electrical connection product, characterized in that, include: The power transmission component (1) includes an insulator (13) and a first metal bus (11) and a second metal bus (12) enclosed in the insulator (13), wherein a cooling passage (10) is formed in the insulator (13); An insulating cap assembly (200) includes an insulating cap (2) that is sealed and fitted onto the end of the power transmission component (1), and a pipe joint (20) is formed on the insulating cap (2); and The fluid transfer module according to any one of claims 1-16, wherein its first mating connector (81) is mated and connected to the pipe connector (20), The second mating connector (82) of the fluid transfer module (8) is used to mate with the connecting pipe of the cooling circuit to allow cooling fluid to flow between the cooling passage (10) of the power transmission component (1) and the cooling circuit via the fluid transfer module (8).

18. The electrical connection product according to claim 17, characterized in that: Two cooling passages (10) are formed in the insulator (13), and the insulator (13) has an intermediate partition wall (13a) that separates the two cooling passages (10); The two cooling passages (10) are adjacent to the first metal bar (11) and the second metal bar (12) respectively, so that the first metal bar (11) and the second metal bar (12) can be cooled by the cooling fluid flowing through the two cooling passages (10).

19. The electrical connection product according to claim 18, characterized in that: The insulator (13) has an isolation wall (13b) that separates the cooling passage (10) from the first metal bar (11) and the second metal bar (12), such that the cooling fluid flowing through the cooling passage (10) cannot physically contact the first metal bar (11) and the second metal bar (12).

20. The electrical connection product according to claim 17, characterized in that: The insulator (13) is an injection molded part that is directly formed on the first metal busbar (11) and the second metal busbar (12) by an embedded injection molding process, so that the first metal busbar (11), the second metal busbar (12) and the insulator (13) become a single piece.

21. The electrical connection product according to claim 19, characterized in that: The insulating cap (2) includes: Peripheral wall (210), fitted onto the end of the power transmission component (1); and The end wall (220) is connected to the peripheral wall (210). The pipe fitting (20) is formed on the end wall (220), a threaded hole (103) is formed on the end face of the insulator (13), and a connection hole corresponding to the threaded hole (103) is formed on the end wall (220). The insulating cap assembly (200) further includes a threaded member (2a) that passes through the connecting hole and is threaded into the threaded hole (103) to secure the insulating cap (2) to the end of the power transmission member (1).

22. The electrical connection product according to claim 21, characterized in that: The insulating cap assembly (200) also includes: The sealing element (3) includes an annular body (30) which is pressed between the end wall (220) of the insulating cap (2) and the end face of the power transmission element (1) to achieve a seal between the two. The connecting hole and the threaded hole (103) are located outside the area surrounded by the annular body (30) of the seal (3), and the end openings of the pipe joint (20) and the cooling passage (10) of the power transmission component (1) are located inside the area surrounded by the annular body (30) of the seal (3).

23. The electrical connection product according to claim 19, characterized in that: The first metal bar (11) and the second metal bar (12) each have a top surface and a bottom surface opposite each other in the thickness direction and two side surfaces opposite each other in the width direction; The first metal bar (11) and the second metal bar (12) are arranged side by side and spaced apart in their width direction, and the cooling passage (10) is located between the side of the first metal bar (11) and the side of the second metal bar (12).

24. The electrical connection product according to claim 23, characterized in that: The insulating cap (2) has two pipe joints (20), which are respectively connected to the two cooling passages (10) of the power transmission component (1) and respectively connected to the two first mating joints (81) of the fluid transfer module (8), so that the cooling fluid can flow into or out of the two cooling passages (10) respectively through the two pipe joints (20).

25. The electrical connection product according to claim 24, characterized in that: The insulating cap (2) also has a partition rib (22a) formed on the inner side of the end wall (22), and the sealing member (3) also has an isolation rib (3a) located in the annular body (30) and connected to the annular body (30); The isolation rib (3a) of the seal (3) is pressed between the partition rib (22a) of the insulating cap (2) and the end face of the intermediate partition wall (13a) of the insulator (13) to isolate the end openings of the two fluid passages (10) and the two pipe joints (20).

26. The electrical connection product according to any one of claims 17-25, characterized in that, Also includes: Shell (5); and The first terminal (31) and the second terminal (32) are inserted into the housing (5); The first metal busbar (11) and the second metal busbar (12) are electrically connected to the first terminal (31) and the second terminal (32), respectively. The insulating cap (2) is inserted into the housing (5), and the pipe joint (20) of the insulating cap (2) protrudes from the housing (5) for mating with the first mating joint (81).

27. The electrical connection product according to claim 26, characterized in that: The insulating cap assembly (200) also includes: The outer sealing ring (4) is fitted onto the insulating cap (2). The outer sealing ring (4) is radially pressed between the insulating cap (2) and the housing (5) to achieve a seal between the two.

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