Battery connection module, battery connection assembly, and battery connection system

Abstract

The present invention discloses a battery connection module, a battery connection assembly, and a battery connection system. The battery connection module comprises a busbar (2) used for electrically connecting to a battery cell and a connector attached to the busbar for electrically connecting the busbar to the wires (40) of a ribbon cable. The connector includes a first housing (10) and a first terminal (13) located in the first housing. The bottom of the first terminal is welded to the busbar, exposed from the bottom of the first housing, and the first terminal has a wire clamp structure used to clamp the wire for electrical connection to the wire. [Benefits] The battery connection module or temperature sensing module can be replaced individually, saving on maintenance and repair costs. In addition, only inexpensive ribbon cables are required, resulting in significant cost reductions.

Description

Technical Field

[0001] Cross - reference to Related Applications This application claims the benefit of Chinese Patent Application No. CN202411354895.9, filed with the China National Intellectual Property Administration on September 26, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a battery connection module, a battery connection assembly including the battery connection module, and a battery connection system including the battery connection assembly.

Background Art

[0003] In the prior art, an in - battery busbar system (also known as a battery connection system) is a major component of an electric vehicle, and its manufacturing process affects the performance and safety of the battery. In the prior art, the in - battery busbar system mainly uses a flexible printed circuit board (FPC) as a transmission medium, and the flexible printed circuit board integrates functions such as voltage acquisition, temperature acquisition, over - current protection, cell electrical connection, and structural support. The flexible printed circuit board is a high - integration component, and its price is relatively high, which may increase costs.

[0004] In addition, in the prior art, the busbar, temperature sensor, and fuse are all integrated on the flexible printed circuit board. The busbar and temperature sensor are usually directly soldered to the flexible printed circuit board, and the fuse is directly formed on the flexible printed circuit board by an etching process. Therefore, in the prior art, when the temperature sensor or fuse malfunctions, it is necessary to discard and replace the entire flexible printed circuit board, resulting in high repair and maintenance costs.

Summary of the Invention

Problems to be Solved by the Invention

[0005] This invention was made to overcome or mitigate at least one of the above-mentioned drawbacks. [Means for solving the problem]

[0006] According to an aspect of the present invention, a battery connection module is provided. The battery connection module comprises a busbar used for electrically connecting to a battery cell and a connector attached to the busbar for electrically connecting the busbar to the wires of a ribbon cable. The connector includes a first housing and a first terminal located in the first housing. The bottom of the first terminal is welded to the busbar, exposed from the bottom of the first housing, and the first terminal has a wire clamp structure used to clamp the wire for electrical connection to the wire.

[0007] According to an exemplary embodiment of the present invention, the wire clamp structure includes a pair of elastic arms, the wire being fitted to be clamped between the pair of elastic arms, and a first guide slope is formed on the inside of the ends of the pair of elastic arms to guide the wire to be inserted between the pair of elastic arms.

[0008] According to another exemplary embodiment of the present invention, the first terminal also has a first bottom plate connected to an elastic arm, the first bottom plate being exposed from the bottom of the first housing and welded to the busbar.

[0009] According to another exemplary embodiment of the present invention, a sealant is provided in the first housing, and the sealant covers the first bottom plate of the first terminal to prevent oxidation of the weld of the first bottom plate.

[0010] According to another exemplary embodiment of the present invention, the first terminal has two wire clamp structures that are spaced apart and facing each other in the longitudinal direction of the first housing, and the two wire clamp structures clamp the wire simultaneously.

[0011] According to another exemplary embodiment of the present invention, the first base plate has two sides, a front and a rear, that are opposite each other in the longitudinal direction, and two wire clamp structures are connected to the front and rear sides of the first base plate, respectively.

[0012] According to another exemplary embodiment of the present invention, a first positioning socket is formed on a first base plate, and a first positioning projection is formed on a busbar, the first positioning projection engaging with the first positioning socket to position a first terminal on the busbar.

[0013] According to another exemplary embodiment of the present invention, the first housing includes a first base having an upper opening and a first upper cover attached to the upper opening of the first base. A first terminal is positioned on the first base, with an opening formed in the bottom of the first base to expose the bottom of the first terminal through the opening, and slot holes for passing wires are formed in the front and rear walls of the first base, respectively.

[0014] According to another exemplary embodiment of the present invention, a convex rib corresponding to a slot hole in a first base is formed on the first upper cover, and the convex rib is adapted to be inserted into the slot hole to press and hold the wire into the wire clamp structure of the first terminal.

[0015] According to another exemplary embodiment of the present invention, one side of a first upper cover and one side of a first base are rotatably connected, the first upper cover can be opened and closed relative to the first base, and when the first upper cover is rotated to the closed position, the convex ribs press and hold the wire into the wire clamp structure of the first terminal.

[0016] According to another exemplary embodiment of the present invention, a buckle is formed on a first upper cover, and a projection is formed on a first base, the projection engaging with a snap slot of the buckle to lock the first upper cover in a closed position.

[0017] According to another exemplary embodiment of the present invention, the first housing is an integrally injection-molded part and further includes a flexible connector connected between a first upper cover and a first base, so that the first upper cover can rotate to open and close relative to the first base.

[0018] According to another exemplary embodiment of the present invention, a positioning column is formed on the bottom surface of a first base, a positioning hole is formed in a busbar, and the positioning column fits into the positioning hole to position the first housing on the busbar.

[0019] According to another aspect of the present invention, a battery connection assembly is provided. The battery connection assembly comprises a ribbon cable having at least one row of wires and the battery connection module, wherein a wire clamp structure of the first terminal clamps the corresponding wires of the ribbon cable.

[0020] According to an exemplary embodiment of the present invention, the battery connection assembly comprises a plurality of battery connection modules, and the wire clamp structures of the first terminals of the plurality of battery connection modules each clamp a plurality of wires of a ribbon cable.

[0021] According to another aspect of the present invention, a battery connection module is provided. The battery connection module comprises a busbar used for electrically connecting to a battery cell and a connector attached to the busbar for electrically connecting the busbar to the wires of a ribbon cable. The connector includes a first housing, a first terminal located in the first housing, a second terminal located in the first housing, and a fuse attached to the first housing and connected in series between the first terminal and the second terminal. The bottom of the first terminal is exposed from the bottom of the first housing and welded to the busbar, and the second terminal has a wire clamp structure used for clamping the wires for electrical connection to the wires.

[0022] According to an exemplary embodiment of the present invention, the wire clamp structure includes a pair of elastic arms, the wire is adapted to be clamped between the pair of elastic arms, and a first guide slope is formed inside the ends of the pair of elastic arms to guide the wire to be inserted between the pair of elastic arms.

[0023] According to another exemplary embodiment of the present invention, the first terminal and the second terminal each have a lead wire clamp structure, and the lead wire clamp structures of the first terminal and the second terminal clamp the two first lead wires of the fuse respectively. Therefore, the fuse is connected in series between the first terminal and the second terminal.

[0024] According to another exemplary embodiment of the present invention, the lead wire clamp structure includes a pair of cantilever portions, and the first lead wire of the fuse is configured to be clamped between the pair of cantilever portions. A second guide slope is formed inside the ends of the pair of cantilever portions to guide the first lead wire of the fuse to be inserted between the pair of cantilever portions.

[0025] According to another exemplary embodiment of the present invention, the first terminal also has a first bottom plate connected to the lead wire clamp structure of the first terminal. The first bottom plate is exposed from the bottom of the first housing and welded to the bus bar. The second terminal also has a second bottom plate connected to the wire clamp structure and the lead wire clamp structure of the second terminal.

[0026] According to another exemplary embodiment of the present invention, the second terminal has two wire clamp structures that are spaced apart from each other in the longitudinal direction of the first housing and face each other. The two wire clamp structures of the second terminal clamp the wire simultaneously.

[0027] According to another exemplary embodiment of the present invention, the first terminal has two lead wire clamp structures spaced apart from each other in the longitudinal direction of the first housing, and the two lead wire clamp structures of the first terminal simultaneously clamp one first lead wire of the fuse. The second terminal has two lead wire clamp structures spaced apart from each other in the longitudinal direction of the first housing, and the two lead wire clamp structures of the second terminal simultaneously clamp the other first lead wire of the fuse.

[0028] According to another exemplary embodiment of the present invention, the first bottom plate has a front side and a rear side that are opposite in the longitudinal direction. The two lead wire clamp structures of the first terminal are respectively connected to the front side and the rear side of the first bottom plate. The second bottom plate has a front side and a rear side that are opposite in the longitudinal direction. The two lead wire clamp structures of the second terminal are respectively connected to the front side and the rear side of the second bottom plate. The two wire clamp structures of the second terminal are respectively connected to the front side and the rear side of the second bottom plate, and are spaced apart from the first housing in the lateral direction from the lead wire clamp structures of the second terminal.

[0029] According to another exemplary embodiment of the present invention, a first positioning socket is formed on the first bottom plate, and a first positioning protrusion is formed on the bus bar. The first positioning protrusion engages with the first positioning socket to position the first terminal on the bus bar.

[0030] According to another exemplary embodiment of the present invention, the first housing includes a first base having an upper opening, and a first upper cover attached to the upper opening of the first base. The first terminal and the second terminal are disposed on the first base, and an opening is formed at the bottom of the first base so that the bottom of the first terminal can be exposed through the opening.

[0031] According to another exemplary embodiment of the present invention, a lateral partition is formed in the first base for dividing the internal space of the first base into a front chamber and a rear chamber, a longitudinal partition is formed for dividing the front chamber into a left chamber and a right chamber, a first terminal and a second terminal are located in the right chamber and the left chamber of the first base, respectively, the body of the fuse is located in the rear chamber of the first base, and a first wire groove through which a wire can pass and a first lead wire groove through which a first lead wire of the fuse can pass are formed in the front side wall and the lateral partition of the first base, respectively.

[0032] According to another exemplary embodiment of the present invention, a positioning column is formed on the bottom surface of a first base, a positioning hole is formed in a busbar, and the positioning column fits into the positioning hole to position the first housing on the busbar.

[0033] According to another aspect of the present invention, a battery connection assembly is provided. The battery connection assembly comprises a ribbon cable having at least one row of wires and the battery connection module, wherein a wire clamp structure of a second terminal clamps the corresponding wires of the ribbon cable.

[0034] According to an exemplary embodiment of the present invention, the battery connection assembly comprises a plurality of battery connection modules, and the wire clamp structures of the second terminals of the plurality of battery connection modules each clamp a plurality of wires of a ribbon cable.

[0035] According to another aspect of the present invention, a battery connection system is provided. The battery connection system comprises the battery connection assembly described above and a tray on which the battery connection assembly is mounted.

[0036] According to an exemplary embodiment of the present invention, the battery connection system further comprises a temperature sensing module mounted on a tray for detecting the temperature of the battery.

[0037] According to another exemplary embodiment of the present invention, the temperature sensing module includes a second housing, two terminals disposed in the second housing and each having a first clamp structure, a temperature sensor mounted in the second housing and connected in series between the two terminals, and a thermal pad mounted in the second housing and in thermal contact with the temperature sensor. The first clamp structures of the two terminals clamp the two wires of a ribbon cable, respectively, so as to be electrically connected to the two wires, and the thermal pad is exposed from the bottom of the second housing to thermally contact a battery cell, the top cover of a battery pack, or a busbar to transfer heat from the battery cell, the top cover of a battery pack, or a busbar to the temperature sensor.

[0038] According to another exemplary embodiment of the present invention, the two terminals each have a second clamp structure, the second clamp structures of the two terminals each clamp the two second leads of the temperature sensor, and thus the temperature sensor is connected in series between the two terminals.

[0039] According to another exemplary embodiment of the present invention, the terminal has two first clamping structures spaced apart and facing each other longitudinally within a second housing to simultaneously clamp wires, and the terminal has two second clamping structures spaced apart and facing each other longitudinally within a second housing to simultaneously clamp second lead wires of a temperature sensor.

[0040] According to another exemplary embodiment of the present invention, the first clamp structure of the terminal includes a pair of first elastic arms, the wire is clamped between the pair of first elastic arms, and the second clamp structure of the terminal includes a pair of second elastic arms, the second lead wire of the temperature sensor is clamped between the pair of second elastic arms.

[0041] According to another exemplary embodiment of the present invention, the terminal has a base plate having a front and rear side opposite to each other in the longitudinal direction of the second housing, two first clamp structures of the terminal connected to the front and rear sides of the base plate, respectively, and two second clamp structures of the terminal connected to the front and rear sides of the base plate, respectively, and the first and second clamp structures of the terminal are spaced apart laterally from the second housing.

[0042] According to another exemplary embodiment of the present invention, the second housing includes a second base having an upper opening and a second upper cover attached to the upper opening of the second base. A first partition wall is formed in the second base for dividing the internal space of the second base into a front chamber and a rear chamber, a second partition wall is formed for dividing the front chamber into a left chamber and a right chamber, two terminals are located in the left and right chambers of the second base, respectively, the main body and thermal pad of a temperature sensor are located in the rear chamber of the second base, and a second wire groove for passing a wire and a second wire groove for passing a second lead wire of the temperature sensor are formed in the front wall and the first partition wall of the second base, respectively.

[0043] According to another exemplary embodiment of the present invention, an elastic locking buckle is formed at the bottom of a second base, a locking hole is formed in the tray, and the elastic locking buckle is inserted into the locking hole and engages with the locking hole to lock the second housing to the tray.

[0044] According to another exemplary embodiment of the present invention, an opening through which a heating pad can pass is formed in the second base of the second housing, and a window through which a heating pad can pass is formed in the tray, and the heating pad passes through the second base and the tray and makes thermal contact with a battery cell, the upper cover of a battery pack, or a busbar.

[0045] In the exemplary embodiments described above according to the present invention, the battery connection module or temperature sensing module can be replaced individually without the need to replace the entire battery connection assembly or the entire battery connection system. Therefore, the present invention can save on maintenance and repair costs. In addition, the present invention significantly reduces costs because it does not require the use of expensive flexible printed circuit boards and only requires inexpensive ribbon cables.

[0046] The above-mentioned and other features of the present invention will become more apparent by describing exemplary embodiments of the present invention in detail with reference to the attached drawings. [Brief explanation of the drawing]

[0047] [Figure 1] This is a descriptive perspective view of a battery connection system according to an exemplary embodiment of the present invention. [Figure 2] This is a partial enlarged view illustrating an exemplary embodiment of a battery connection system according to the present invention. [Figure 3] This is an explanatory perspective view of a battery connection module according to an exemplary embodiment of the present invention, with the first upper cover in the closed position. [Figure 4] This is an explanatory perspective view of a battery connection module according to an exemplary embodiment of the present invention, with the first upper cover in the open position. [Figure 5] This is an exploded view illustrating a battery connection module according to an exemplary embodiment of the present invention. [Figure 6] This is a cross-sectional view of a battery connection module according to an exemplary embodiment of the present invention, with the first housing not shown. [Figure 7] This is a descriptive perspective view of the first terminal and wires of a battery connection module according to an exemplary embodiment of the present invention. [Figure 8] This is an explanatory perspective view of the first housing of a battery connection module according to an exemplary embodiment of the present invention, with the first upper cover in the open position. [Figure 9]This is an explanatory perspective view of a temperature detection module according to an exemplary embodiment of the present invention, viewed from above. [Figure 10] This is an explanatory perspective view of a temperature detection module according to an exemplary embodiment of the present invention, as seen from the bottom. [Figure 11] This is an exploded view illustrating a temperature detection module according to an exemplary embodiment of the present invention. [Figure 12] This is an explanatory perspective view of a temperature sensing module according to an exemplary embodiment of the present invention, in which the second housing is not shown. [Figure 13] This is an explanatory perspective view of a battery connection module according to another exemplary embodiment of the present invention, with the first upper cover in the closed position. [Figure 14] This is an explanatory perspective view of a battery connection module according to another exemplary embodiment of the present invention, with the first upper cover removed. [Figure 15] This is an exploded view illustrating a battery connection module according to another exemplary embodiment of the present invention. [Figure 16] This is an exploded view illustrating the connector of a battery connection module according to another exemplary embodiment of the present invention. [Modes for carrying out the invention]

[0048] Illustrative embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals refer to the same elements. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are provided so as to make the present disclosure thorough and complete and so as to fully convey the concepts of the present disclosure to those skilled in the art.

[0049] The following detailed description includes numerous specific details for illustrative purposes to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments can be carried out without these specific details. In other examples, well-known structures and devices are shown schematically for the sake of simplifying the drawings.

[0050] According to the general concept of the present invention, a battery connection module is provided. The battery connection module comprises a busbar used for electrically connecting to a battery cell and a connector attached to the busbar for electrically connecting the busbar to the wires of a ribbon cable. The connector includes a first housing and a first terminal located in the first housing. The bottom of the first terminal is welded to the busbar, exposed from the bottom of the first housing, and the first terminal has a wire clamp structure used to clamp the wire for electrical connection to the wire.

[0051] According to another general concept of the present invention, a battery connection assembly is provided. The battery connection assembly comprises a ribbon cable having at least one row of wires and the battery connection module, wherein a wire clamp structure of the first terminal clamps the corresponding wires of the ribbon cable.

[0052] According to another general concept of the present invention, a battery connection module is provided. The battery connection module comprises a busbar used to electrically connect to a battery cell and a connector attached to the busbar to electrically connect the busbar to the wires of a ribbon cable. The connector includes a first housing, a first terminal located in the first housing, a second terminal located in the first housing, and a fuse attached to the first housing and connected in series between the first terminal and the second terminal. The bottom of the first terminal is exposed from the bottom of the first housing and welded to the busbar, and the second terminal has a wire clamp structure used to clamp the wire for electrical connection to the wire.

[0053] According to another general concept of the present invention, a battery connection assembly is provided. The battery connection assembly comprises a ribbon cable containing at least one row of wires and the above-mentioned battery connection module, wherein a wire clamp structure of a second terminal clamps the corresponding wires of the ribbon cable.

[0054] According to another general concept of the present invention, a battery connection system is provided. The battery connection system comprises the above-mentioned battery connection assembly and a tray on which the battery connection assembly is mounted.

[0055] Figure 1 is an explanatory perspective view of a battery connection system according to an exemplary embodiment of the present invention. Figure 2 is an explanatory enlarged portion of the battery connection system according to an exemplary embodiment of the present invention. Figure 3 is an explanatory perspective view of a battery connection module 100 according to an exemplary embodiment of the present invention with the first upper cover 12 in the closed position. Figure 4 is an explanatory perspective view of a battery connection module 100 according to an exemplary embodiment of the present invention with the first upper cover 12 in the open position. Figure 5 is an explanatory exploded view of a battery connection module 100 according to an exemplary embodiment of the present invention. Figure 6 is a cross-sectional view of a battery connection module 100 according to an exemplary embodiment of the present invention, with the first housing 10 not shown. Figure 7 is an explanatory perspective view of the first terminal 13 and wire 40 of the battery connection module 100 according to an exemplary embodiment of the present invention. Figure 8 is an explanatory perspective view of the first housing 10 of the battery connection module 100 according to an exemplary embodiment of the present invention, with the first upper cover 12 in the open position.

[0056] As shown in Figures 1 to 8, a battery connection module 100 is disclosed in an exemplary embodiment of the present invention. The battery connection module 100 comprises a busbar 2 and a connector 1. The busbar 2 is used to electrically connect battery cells (not shown) to a battery pack. The connector 1 is attached to the busbar 2 to electrically connect the busbar 2 to the wires 40 of a ribbon cable 4.

[0057] As shown in Figures 1 to 8, in the illustrated embodiment, the connector 1 includes a first housing 10 and a first terminal 13. The first terminal 13 is located in the first housing 10. The bottom of the first terminal 13 is exposed from the bottom of the first housing 10 and welded to the busbar 2. The first terminal 13 has a wire clamp structure 130 used to clamp the wire 40 for electrical connection to the wire 40.

[0058] As shown in Figures 1 to 8, in the illustrated embodiment, the wire clamp structure 130 includes a pair of elastic arms 132, and the wire 40 is fitted to be clamped between the pair of elastic arms 132. A first guide slope 132a is formed on the inside of the ends of the pair of elastic arms 132 to guide the wire 40 to be inserted between the pair of elastic arms 132.

[0059] As shown in Figures 1 to 8, in the illustrated embodiment, the first terminal 13 also has a first bottom plate 131 connected to the elastic arm 132, the first bottom plate 131 is exposed from the bottom of the first housing 10 and welded to the busbar 2.

[0060] As shown in Figures 1 to 8, in the illustrated embodiment, sealant 19 is provided on the first housing 10, and the sealant 19 covers the first bottom plate 131 of the first terminal 13 to prevent oxidation of the welded portion of the first bottom plate 131.

[0061] As shown in Figures 1 to 8, in the illustrated embodiment, the first terminal 13 has two wire clamp structures 130 that are spaced apart and facing each other in the longitudinal direction of the first housing 10, and both wire clamp structures 130 clamp the wire 40 simultaneously.

[0062] As shown in Figures 1 to 8, in the illustrated embodiment, the first base plate 131 has a front and rear side that are opposite in the longitudinal direction, and the two wire clamp structures 130 are connected to the front and rear sides of the first base plate 131, respectively.

[0063] As shown in Figures 1 to 8, in the illustrated embodiment, a first positioning socket 13a is formed on the first base plate 131, and a first positioning projection 2a is formed on the busbar 2. The first positioning projection 2a engages with the first positioning socket 13a to position the first terminal 13 on the busbar 2.

[0064] As shown in Figures 1 to 8, in the illustrated embodiment, the first housing 10 includes a first base 11 and a first upper cover 12. The first base 11 has an upper opening. The first upper cover 12 is attached to the upper opening of the first base 11. The first terminal 13 is positioned on the first base 11, and an opening is formed in the bottom of the first base 11 that allows the bottom of the first terminal 13 to be exposed. Slot holes 11a through which a wire 40 can pass are formed in the front and rear walls of the first base 11, respectively.

[0065] As shown in Figures 1 to 8, in the illustrated embodiment, a convex rib 12a corresponding to the slot hole 11a of the first base 11 is formed on the first upper cover 12. The convex rib 12a is suitable for insertion into the slot hole 11a in order to press the wire 40 into the wire clamp structure 130 of the first terminal 13 and hold it in place.

[0066] As shown in Figures 1 to 8, in the illustrated embodiment, one side of the first upper cover 12 and one side of the first base 11 are rotatably connected, and the first upper cover 12 can be opened and closed relative to the first base 11. When the first upper cover 12 is rotated to the closed position, the convex rib 12a pushes and holds the wire 40 into the wire clamp structure 130 of the first terminal 13.

[0067] As shown in Figures 1 to 8, in the illustrated embodiment, a buckle 12b is formed on the first upper cover 12 and a projection 11b is formed on the first base 11. The projection 11b engages with the snap slot 12c of the buckle 12b to lock the first upper cover 12 in the closed position.

[0068] As shown in Figures 1 to 8, in the illustrated embodiment, the first housing 10 is an integrally injection-molded part and further includes a flexible connector 101. The flexible connector 101 is connected between the first upper cover 12 and the first base 11, and the first upper cover 12 can be opened and closed relative to the first base 11.

[0069] As shown in Figures 1 to 8, in the illustrated embodiment, a positioning column 11d is formed on the bottom surface of the first base 11, and a positioning hole 2d is formed in the bus bar 2. The positioning column 11d fits into the positioning hole 2d to position the first housing 10 on the bus bar 2.

[0070] As shown in Figures 1 to 8, a battery connection assembly is also disclosed in another exemplary embodiment of the present invention. The battery connection assembly comprises a ribbon cable 4 and the battery connection module 100 described above. The ribbon cable 4 includes at least one row of wires 40. A wire clamp structure 130 of the first terminal 13 of the battery connection module 100 clamps the corresponding wires 40 of the ribbon cable 4.

[0071] As shown in Figures 1 to 8, in the illustrated embodiment, the battery connection assembly includes a plurality of battery connection modules 100. The wire clamp structures 130 of the first terminals 13 of the plurality of battery connection modules 100 each clamp a plurality of wires 40 of the ribbon cable 4.

[0072] Figure 13 is an explanatory perspective view of a battery connection module 100 according to another exemplary embodiment of the present invention, with the first upper cover 12 in the closed position. Figure 14 is an explanatory perspective view of a battery connection module 100 according to another exemplary embodiment of the present invention, with the first upper cover 12 removed. Figure 15 is an explanatory exploded view of a battery connection module 100 according to another exemplary embodiment of the present invention. Figure 16 is an explanatory exploded view of the connector of a battery connection module 100 according to another exemplary embodiment of the present invention.

[0073] As shown in Figures 1-2 and 13-16, a battery connection module 100 is also disclosed in another exemplary embodiment of the present invention. The battery connection module 100 comprises a busbar 2 and a connector 1. The busbar 2 is used to electrically connect to a battery cell. The connector 1 is attached to the busbar 2 to electrically connect the busbar 2 to the wires 40 of a ribbon cable 4.

[0074] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the connector 1 includes a first housing 10, a first terminal 13, a second terminal 15, and a fuse 14. The first terminal 13 is located in the first housing 10. The second terminal 15 is located in the first housing 10. The fuse 14 is located in the first housing 10 and is connected in series between the first terminal 13 and the second terminal 15. The bottom of the first terminal 13 is exposed from the bottom of the first housing 10 and welded to the busbar 2. The second terminal 15 has a wire clamp structure 130 used to clamp the wire 40 for electrical connection to the wire 40.

[0075] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the wire clamp structure 130 includes a pair of elastic arms 132, and the wire 40 is fitted to be clamped between the pair of elastic arms 132. A first guide slope 132a is formed on the inside of the ends of the pair of elastic arms 132 to guide the wire 40 to be inserted between the pair of elastic arms 132.

[0076] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the first terminal 13 and the second terminal 15 each have a lead wire clamp structure 150. The lead wire clamp structures 150 of the first terminal 13 and the second terminal 15 clamp the two first lead wires 141 of the fuse 14, respectively, and thus the fuse 14 is connected in series between the first terminal 13 and the second terminal 15.

[0077] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the lead wire clamp structure 150 includes a pair of cantilever portions 152, and the first lead wire 141 of the fuse 14 is fitted to be clamped between the pair of cantilever portions 152. A second guide slope 152a is formed on the inside of the ends of the pair of cantilever portions 152 to guide the first lead wire 141 of the fuse 14 so as to be inserted between the pair of cantilever portions 152.

[0078] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the first terminal 13 also has a first bottom plate 131 connected to its lead wire clamp structure 150. The first bottom plate 131 is exposed from the bottom of the first housing 10 and welded to the busbar 2. The second terminal 15 also has a second bottom plate 151 connected to its wire clamp structure 130 and lead wire clamp structure 150.

[0079] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the second terminal 15 has two wire clamp structures 130 that are spaced apart and facing each other in the longitudinal direction of the first housing 10, and the two wire clamp structures 130 of the second terminal 15 clamp the wire 40 simultaneously.

[0080] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the first terminal 13 has two lead wire clamp structures 150 spaced apart and facing each other in the longitudinal direction of the first housing 10. The two lead wire clamp structures 150 of the first terminal 13 simultaneously clamp one of the first lead wires 141 of the fuse 14. The second terminal 15 has two lead wire clamp structures 150 spaced apart and facing each other in the longitudinal direction of the first housing 10, and the two lead wire clamp structures 150 of the second terminal 15 simultaneously clamp the other of the first lead wires 141 of the fuse 14.

[0081] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the first base plate 131 has a front and rear side opposite each other in the longitudinal direction, and the two lead wire clamp structures 150 of the first terminal 13 are connected to the front and rear sides of the first base plate 131, respectively. The second base plate 151 has a front and rear side opposite each other in the longitudinal direction, and the two lead wire clamp structures 150 of the second terminal 15 are connected to the front and rear sides of the second base plate 151, respectively. The two wire clamp structures 130 of the second terminal 15 are connected to the front and rear sides of the second base plate 151, respectively, and are spaced laterally away from the wire clamp structures 150 of the second terminal 15 to the first housing 10.

[0082] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, a first positioning socket 13a is formed on the first base plate 131, and a first positioning projection 2a is formed on the busbar 2. The first positioning projection 2a engages with the first positioning socket 13a to position the first terminal 13 on the busbar 2.

[0083] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the first housing 10 includes a first base 11 and a first upper cover 12. The first base 11 has an upper opening. The first upper cover 12 is attached to the upper opening of the first base 11. The first terminal 13 and the second terminal 15 are located on the first base 11, and an opening is formed in the bottom of the first base 11 that allows the bottom of the first terminal 13 to be exposed.

[0084] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, a lateral partition wall 113 is formed in the first base 11 to divide the internal space of the first base 11 into a front chamber and a rear chamber 112, and a longitudinal partition wall 114 is formed to divide the front chamber into a left chamber 11a and a right chamber 111b. The first terminal 13 and the second terminal 15 are located in the right chamber 111b and the left chamber 111a of the first base 11, respectively, and the body 140 of the fuse 14 is located in the rear chamber 112 of the first base 11. A first wire groove 11e through which a wire 40 can pass and a first wire groove 11f through which the first lead wire 141 of the fuse 14 can pass are formed in the front side wall and the lateral partition wall 113 of the first base 11, respectively.

[0085] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, a positioning column 11d (see Figures 3-8) is formed on the bottom surface of the first base 11, and a positioning hole 2d (see Figures 3-8) is formed in the bus bar 2. The positioning column 11d fits into the positioning hole 2d to position the first housing 10 on the bus bar 2.

[0086] As shown in Figures 1-2 and 13-16, a battery connection assembly is also disclosed in another exemplary embodiment of the present invention. The battery connection assembly comprises a ribbon cable 4 and a battery connection module 100 shown in Figures 13-16. The ribbon cable 4 includes at least one row of wires 40. A wire clamp structure 130 of the second terminal 15 of the battery connection module 100 clamps the corresponding wires 40 of the ribbon cable 4.

[0087] As shown in Figures 1-2 and 13-16, in the illustrated embodiment, the battery connection assembly comprises a plurality of battery connection modules 100, and the wire clamp structures 130 of the second terminals 15 of the plurality of battery connection modules 100 each clamp a plurality of wires 40 of the ribbon cable 4.

[0088] Figure 9 is an explanatory perspective view of the temperature detection module 5 according to an exemplary embodiment of the present invention, viewed from above. Figure 10 is an explanatory perspective view of the temperature detection module 5 according to an exemplary embodiment of the present invention, viewed from below. Figure 11 is an explanatory exploded view of the temperature detection module 5 according to an exemplary embodiment of the present invention. Figure 12 is an explanatory perspective view of the temperature detection module 5 according to an exemplary embodiment of the present invention, in which the second housing 50 is not shown.

[0089] As shown in Figures 1 to 16, a battery connection system is also disclosed in another exemplary embodiment of the present invention. The battery connection system comprises the battery connection assembly described above and a tray 3. The battery connection assembly is mounted on the tray 3.

[0090] As shown in Figures 1 to 16, in the illustrated embodiment, the battery connection system further comprises a temperature detection module 5. The temperature detection module 5 is mounted on the tray 3 to detect the battery temperature.

[0091] As shown in Figures 1 to 16, in the illustrated embodiment, the temperature detection module 5 includes a second housing 50, two terminals 52, a temperature sensor 53, and a heat pad 54. Two terminals 52 are located in the second housing 50, each having a first clamp structure 521. A temperature sensor 53 is mounted in the second housing 50 and connected in series between the two terminals 52. A thermal pad 54 is mounted in the second housing 50 and makes thermal contact with the temperature sensor 53. The first clamp structures 521 of the two terminals 52 clamp the two wires 40 of the ribbon cable 4 so as to be electrically connected to them. The thermal pad 54 is exposed from the bottom of the second housing 50 and is used to make thermal contact with the battery cell, the top cover of the battery pack, or the busbar 2 in order to transfer heat from the battery cell, the top cover of the battery pack, or the busbar 2 to the temperature sensor 53.

[0092] As shown in Figures 1 to 16, in the illustrated embodiment, each of the two terminals 52 has a second clamp structure 522, and the second clamp structures 522 of the two terminals 52 clamp each of the two second lead wires 531 of the temperature sensor 53, so that the temperature sensor 53 is connected in series between the two terminals 52.

[0093] As shown in Figures 1 to 16, in the illustrated embodiment, terminal 52 has two first clamp structures 521 spaced apart and facing each other longitudinally within the second housing 50 to simultaneously clamp the wire 40. Terminal 52 also has two second clamp structures 522 spaced apart and facing each other longitudinally within the second housing 50 to simultaneously clamp the second lead wire 531 of the temperature sensor 53.

[0094] As shown in Figures 1 to 16, in the illustrated embodiment, the first clamp structure 521 of the terminal 52 includes a pair of first elastic arms 521a, and the wire 40 is clamped between the pair of first elastic arms 521a. The second clamp structure 522 of the terminal 52 includes a pair of second elastic arms 522a, and the second lead wire 531 of the temperature sensor 53 is clamped between the pair of second elastic arms 522a.

[0095] As shown in Figures 1 to 16, in the illustrated embodiment, the terminal 52 has a base plate 520 having a front and rear side that are opposite to each other in the longitudinal direction of the second housing 50. Two first clamp structures 521 of the terminal 52 are connected to the front and rear sides of the base plate 520, respectively. Two second clamp structures 522 of the terminal 52 are connected to the front and rear sides of the base plate 520, respectively, and the first clamp structures 521 and the second clamp structures 522 of the terminal 52 are spaced apart laterally from the second housing 50.

[0096] As shown in Figures 1 to 16, in the illustrated embodiment, the second housing 50 includes a second base 51 and a second upper cover 55. An upper opening is formed in the second base 51. The second upper cover 55 is attached to the upper opening of the second base 51. A first partition wall 511 is formed in the second base 51 to divide the internal space of the second base 51 into a front chamber and a rear chamber 502, and a second partition wall 512 is formed to divide the front chamber into a left chamber 501a and a right chamber 501b. Two terminals 52 are located in the left chamber 501a and the right chamber 501b of the second base 51, respectively, and the main body 530 and thermal pad 54 of the temperature sensor 53 are located in the rear chamber 502 of the second base 51. A second wire groove 51a through which a wire 40 can pass and a second wire groove 51b through which the second lead wire 531 of the temperature sensor 53 can pass are formed in the front wall of the second base 51 and the first partition wall 511, respectively.

[0097] As shown in Figures 1 to 16, in the illustrated embodiment, an elastic locking buckle 51c is formed at the bottom of the second base 51, and a locking hole (not shown) is formed in the tray 3. The elastic locking buckle 51c is inserted into the locking hole and engages, locking the second housing 50 to the tray 3.

[0098] As shown in Figures 1 to 16, in the illustrated embodiment, an opening through which the thermal pad 54 can pass is formed in the second base 51 of the second housing 50, and a window through which the thermal pad 54 can pass is formed in the tray 3. The thermal pad 54 passes through the second base 51 and the tray 3 and makes thermal contact with the battery cell, the upper cover of the battery pack, or the busbar 2.

[0099] Those skilled in the art should understand that the embodiments described above are illustrative and not limiting. For example, those skilled in the art can make many modifications to the embodiments described above without structural or principle contradictions, and can freely combine the various features described in different embodiments.

[0100] While several exemplary embodiments have been illustrated and described, it will be understood by those skilled in the art that various modifications or changes can be made to these embodiments without departing from the principles and spirit of this disclosure. The scope of this disclosure is defined in the claims and its equivalents.

[0101] When used herein, elements described in the singular form and preceded by the word "a" or "an" should be understood not to exclude the plural forms of such elements or steps unless it is explicitly stated that such exclusion is excluded. Furthermore, references to "one embodiment" of the present invention are not intended to be construed as excluding the existence of additional embodiments that likewise incorporate the described features. Moreover, unless it is expressly stated otherwise, embodiments that "compile" or "have" one or more elements having a particular characteristic may include additional such elements that do not possess that characteristic.

Claims

1. A battery connection module, A busbar (2) used to electrically connect to the battery cell, A connector (1) is attached to the busbar (2) to electrically connect the busbar (2) to the wires (40) of the ribbon cable (4). Equipped with, The connector (1) is The first housing (10) and The first terminal (13) is located in the first housing (10) and Includes, The bottom of the first terminal (13) is exposed from the bottom of the first housing (10) and welded to the busbar (2). The battery connection module has a first terminal (13) having a wire clamp structure (130) used to clamp the wire (40) for electrical connection to the wire (40).

2. The wire clamp structure (130) includes a pair of elastic arms (132), and the wire (40) is fitted to be clamped between the pair of elastic arms (132). The battery connection module according to claim 1, wherein a first guide slope (132a) is formed on the inside of the ends of the pair of elastic arms (132) to guide the wire (40) so as to be inserted between the pair of elastic arms (132).

3. The battery connection module according to claim 2, wherein the first terminal (13) also has a first bottom plate (131) connected to the elastic arm (132), the first bottom plate (131) being exposed from the bottom of the first housing (10) and welded to the bus bar (2).

4. The battery connection module according to claim 3, wherein a sealant (19) is provided on the first housing (10), and the sealant (19) covers the first bottom plate (131) of the first terminal (13) to prevent oxidation of the welded portion of the first bottom plate (131).

5. The battery connection module according to claim 3, wherein the first terminal (13) has two wire clamp structures (130) that are separated from each other and facing each other in the longitudinal direction of the first housing (10), and the two wire clamp structures (130) clamp the wire (40) simultaneously.

6. The battery connection module according to claim 5, wherein the first base plate (131) has two sides, a front side and a rear side, that are opposite in the longitudinal direction, and the two wire clamp structures (130) are connected to the front side and the rear side of the first base plate (131), respectively.

7. The battery connection module according to claim 3, wherein a first positioning socket (13a) is formed on the first bottom plate (131), a first positioning projection (2a) is formed on the bus bar (2), and the first positioning projection (2a) engages with the first positioning socket (13a) to position the first terminal (13) on the bus bar (2).

8. The first housing (10) is A first base (11) having an upper opening, A first upper cover (12) is attached to the upper opening of the first base (11) and Includes, The battery connection module according to claim 1, wherein the first terminal (13) is positioned on the first base (11), an opening is formed in the bottom of the first base (11) to expose the bottom of the first terminal (13) through the opening, and slot holes (11a) through which the wire (40) can pass are formed in the front and rear walls of the first base (11), respectively.

9. A battery connection module according to claim 8, wherein a convex rib (12a) corresponding to the slot hole (11a) of the first base (11) is formed on the first upper cover (12), and the convex rib (12a) is adapted to be inserted into the slot hole (11a) in order to press the wire (40) into the wire clamp structure (130) of the first terminal (13) and hold it in place.

10. One side of the first upper cover (12) and one side of the first base (11) are rotatably connected, and the first upper cover (12) can be opened and closed relative to the first base (11). The battery connection module according to claim 9, wherein when the first upper cover (12) is rotated to the closed position, the convex rib (12a) presses and holds the wire (40) into the wire clamp structure (130) of the first terminal (13).

11. A battery connection module according to claim 10, wherein a buckle (12b) is formed on the first upper cover (12), and a projection (11b) is formed on the first base (11), the projection (11b) engaging with a snap slot (12c) of the buckle (12b) to lock the first upper cover (12) in the closed position.

12. The battery connection module according to claim 10, wherein the first housing (10) is an integrally injection-molded part and further includes a flexible connector (101) connected between the first upper cover (12) and the first base (11), so that the first upper cover (12) can rotate to open and close relative to the first base (11).

13. A battery connection module according to claim 8, wherein a positioning column (11d) is formed on the bottom surface of the first base (11), a positioning hole (2d) is formed in the bus bar (2), and the positioning column (11d) fits into the positioning hole (2d) to position the first housing (10) on the bus bar (2).

14. A battery connection assembly, A ribbon cable (4) including at least one row of wires (40), The battery connection module (100) according to any one of claims 1 to 13 and Equipped with, The wire clamp structure (130) of the first terminal (13) is a battery connection assembly that clamps the corresponding wire (40) of the ribbon cable (4).

15. The battery connection assembly according to claim 14, comprising a plurality of battery connection modules (100), wherein the wire clamp structure (130) of the first terminal (13) of the plurality of battery connection modules (100) clamps each of the plurality of wires (40) of the ribbon cable (4).

16. A battery connection module, A busbar (2) used to electrically connect to the battery cell, A connector (1) is attached to the busbar (2) to electrically connect the busbar (2) to the wires (40) of the ribbon cable (4). Equipped with, The connector (1) is The first housing (10) and The first terminal (13) is located in the first housing (10), The second terminal (15) is located in the first housing (10), A fuse (14) is attached to the first housing (10) and connected in series between the first terminal (13) and the second terminal (15). Includes, The bottom of the first terminal (13) is exposed from the bottom of the first housing (10) and welded to the busbar (2). The battery connection module has a second terminal (15) having a wire clamp structure (130) used to clamp the wire (40) for electrical connection to the wire (40).

17. The wire clamp structure (130) includes a pair of elastic arms (132), and the wire (40) is fitted to be clamped between the pair of elastic arms (132). The battery connection module according to claim 16, wherein a first guide slope (132a) is formed on the inside of the ends of the pair of elastic arms (132) to guide the wire (40) so as to be inserted between the pair of elastic arms (132).

18. The battery connection module according to claim 17, wherein the first terminal (13) and the second terminal (15) each have a lead wire clamp structure (150), and the lead wire clamp structures (150) of the first terminal (13) and the second terminal (15) each clamp the two first lead wires (141) of the fuse (14), and therefore the fuse (14) is connected in series between the first terminal (13) and the second terminal (15).

19. The lead wire clamp structure (150) includes a pair of cantilever portions (152), and the first lead wire (141) of the fuse (14) is fitted to be clamped between the pair of cantilever portions (152). The battery connection module according to claim 18, wherein a second guide slope (152a) is formed on the inside of the ends of the pair of cantilever portions (152) to guide the first lead wire (141) of the fuse (14) to be inserted between the pair of cantilever portions (152).

20. The first terminal (13) also has a first bottom plate (131) connected to the lead wire clamp structure (150) of the first terminal (13), the first bottom plate (131) is exposed from the bottom of the first housing (10) and welded to the bus bar (2), The battery connection module according to claim 19, wherein the second terminal (15) also has a second bottom plate (151) connected to the wire clamp structure (130) and lead wire clamp structure (150) of the second terminal (15).

21. The battery connection module according to claim 20, wherein the second terminal (15) has two wire clamp structures (130) that are separated from each other and facing each other in the longitudinal direction of the first housing (10), and the two wire clamp structures (130) of the second terminal (15) simultaneously clamp the wire (40).

22. The first terminal (13) has two lead wire clamp structures (150) of the first housing (10) that are spaced apart and facing each other in the vertical direction, and the two lead wire clamp structures (150) of the first terminal (13) simultaneously clamp one of the first lead wires (141) of the fuse (14). The battery connection module according to claim 21, wherein the second terminal (15) has two lead wire clamp structures (150) of the first housing (10) that are spaced apart and facing each other in the longitudinal direction, and the two lead wire clamp structures (150) of the second terminal (15) simultaneously clamp the other first lead wire (141) of the fuse (14).

23. The first base plate (131) has a front and rear side that are opposite in the longitudinal direction, and the two lead wire clamp structures (150) of the first terminal (13) are connected to the front and rear sides of the first base plate (131), respectively. The second base plate (151) has a front and rear side that are opposite in the longitudinal direction, and the two lead wire clamp structures (150) of the second terminal (15) are connected to the front and rear sides of the second base plate (151), respectively. The battery connection module according to claim 22, wherein the two wire clamp structures (130) of the second terminal (15) are connected to the front and rear sides of the second base plate (151), respectively, and are spaced laterally away from the lead wire clamp structure (150) of the second terminal (15) relative to the first housing (10).

24. The battery connection module according to claim 21, wherein a first positioning socket (13a) is formed on the first bottom plate (131), a first positioning projection (2a) is formed on the bus bar (2), and the first positioning projection (2a) engages with the first positioning socket (13a) to position the first terminal (13) on the bus bar (2).

25. The first housing (10) is A first base (11) having an upper opening, A first upper cover (12) is attached to the upper opening of the first base (11) and Includes, The battery connection module according to claim 16, wherein the first terminal (13) and the second terminal (15) are arranged on the first base (11), and an opening is formed in the bottom of the first base (11) so that the bottom of the first terminal (13) can be exposed through the opening.

26. A lateral partition wall (113) is formed in the first base (11) to divide the internal space of the first base (11) into an anterior chamber and a rear chamber (112), and a longitudinal partition wall (114) is formed to divide the anterior chamber into a left chamber (11a) and a right chamber (111b). The first terminal (13) and the second terminal (15) are located in the right chamber (111b) and the left chamber (111a) of the first base (11), respectively, and the body (140) of the fuse (14) is located in the rear chamber (112) of the first base (11). The battery connection module according to claim 25, wherein a first wire groove (11e) through which the wire (40) can pass and a first lead wire groove (11f) through which the first lead wire (141) of the fuse (14) can pass are formed in the front side wall of the first base (11) and the lateral partition wall (113), respectively.

27. The battery connection module according to claim 25, wherein a positioning column (11d) is formed on the bottom surface of the first base (11), a positioning hole (2d) is formed in the bus bar (2), and the positioning column (11d) fits into the positioning hole (2d) to position the first housing (10) on the bus bar (2).

28. A battery connection assembly, A ribbon cable (4) including at least one row of wires (40), The battery connection module (100) according to any one of claims 16 to 27 and Equipped with, The wire clamp structure (130) of the second terminal (15) is a battery connection assembly that clamps the corresponding wire (40) of the ribbon cable (4).

29. The battery connection assembly according to claim 28, comprising a plurality of battery connection modules (100), wherein the wire clamp structure (130) of the second terminal (15) of the plurality of battery connection modules (100) clamps each of the plurality of wires (40) of the ribbon cable (4).

30. A battery connection system, The battery connection assembly according to any one of claims 14, 15, 28, and 29, The tray (3) on which the battery connection assembly is attached and A battery connection system equipped with this feature.

31. The battery connection system according to claim 30, further comprising a temperature detection module (5) attached to the tray (3) for detecting the temperature of the battery.

32. The temperature detection module (5) is The second housing (50), The second housing (50) is provided with two terminals (52), each having a first clamp structure (521), A temperature sensor (53) is attached to the second housing (50) and connected in series between the two terminals (52), A heat pad (54) is attached to the second housing (50) and is in thermal contact with the temperature sensor (53). Includes, The first clamp structure (521) of the two terminals (52) clamps the two wires (40) of the ribbon cable (4) respectively so as to be electrically connected to the two wires (40). The battery connection system according to claim 31, wherein the thermal pad (54) is exposed from the bottom of the second housing (50) to thermally contact the battery cell, the upper cover of the battery pack, or the bus bar (2) and to transfer heat from the battery cell, the upper cover of the battery pack, or the bus bar (2) to the temperature sensor (53).

33. The battery connection system according to claim 32, wherein each of the two terminals (52) has a second clamp structure (522), and the second clamp structures (522) of the two terminals (52) clamp each of the two second lead wires (531) of the temperature sensor (53), and thus the temperature sensor (53) is connected in series between the two terminals (52).

34. The terminal (52) has two first clamping structures (521) that are separated from each other and facing each other in the longitudinal direction of the second housing (50) in order to simultaneously clamp the wire (40), The battery connection system according to claim 33, wherein the terminal (52) has two second clamping structures (522) that are spaced apart and facing each other in the longitudinal direction of the second housing (50) in order to simultaneously clamp the second lead wire (531) of the temperature sensor (53).

35. The first clamp structure (521) of the terminal (52) includes a pair of first elastic arms (521a), and the wire (40) is clamped between the pair of first elastic arms (521a). The battery connection system according to claim 34, wherein the second clamp structure (522) of the terminal (52) includes a pair of second elastic arms (522a), and the second lead wire (531) of the temperature sensor (53) is clamped between the pair of second elastic arms (522a).

36. The terminal (52) has a base plate (520) having a front and rear side opposite to each other in the longitudinal direction of the second housing (50), and the two first clamp structures (521) of the terminal (52) are connected to the front and rear sides of the base plate (520), respectively. The battery connection system according to claim 34, wherein the two second clamp structures (522) of the terminal (52) are connected to the front and rear sides of the bottom plate (520), respectively, and the first clamp structure (521) and the second clamp structure (522) of the terminal (52) are spaced apart laterally from the second housing (50).

37. The second housing (50) is A second base (51) having an upper opening, A second upper cover (55) is attached to the upper opening of the second base (51) and Includes, A first partition wall (511) is formed in the second base (51) to divide the internal space of the second base (51) into an anterior chamber and a rear chamber (502), and a second partition wall (512) is formed to divide the anterior chamber into a left chamber (501a) and a right chamber (501b). The two terminals (52) are located in the left chamber (501a) and the right chamber (501b) of the second base (51), respectively, and the main body (530) and the heat pad (54) of the temperature sensor (53) are located in the rear chamber (502) of the second base (51). The battery connection system according to claim 35, wherein a second wire groove (251) through which the wire (40) can pass and a second wire groove (11b) through which the second lead wire (531) of the temperature sensor (53) can pass are formed in the front wall of the second base (51) and the first partition wall (511), respectively.

38. The battery connection system according to claim 37, wherein an elastic locking buckle (51c) is formed at the bottom of the second base (51), a locking hole is formed in the tray (3), and the elastic locking buckle (51c) is inserted into the locking hole and engages with the locking hole to lock the second housing (50) to the tray (3).

39. The battery connection system according to claim 38, wherein an opening is formed in the second base (51) of the second housing (50) through which the heat pad (54) can pass, and a window is formed in the tray (3) through which the heat pad (54) can pass, and the heat pad (54) passes through the second base (51) and the tray (3) to thermally contact the battery cell, the upper cover of the battery pack, or the bus bar (2).

Images