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. A battery connection module (figure 1, 100), comprises a busbar 2, used for

Description

CROSS-REFERENCE TO RELATED APPLICATION This application claims the benefit of Chinese Patent Application No. CN202411354895.9 filed on September 26, 2024 in the State Intellectual Property Office of China, the whole disclosure of which is incorporated herein by reference. BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a battery connection module, a battery connection assembly comprising the battery connection module, and a battery connection system comprising the battery connection assembly. Description of the Related Art In the prior art, the battery integrated busbar system (also known as the battery connection system) is the core component of electric vehicles, and its manufacturing process affects battery performance and safety. In the prior art, the battery integrated busbar system mainly uses flexible printed circuit boards (FPC) as the transmission medium, which integrates voltage acquisition function, temperature acquisition function, overcurrent protection function, cell electrical connection function, and structural support function. The flexible printed circuit board is a highly integrated component, and its price is relatively high, which can lead to increased costs. In addition, in the prior art, busbars, temperature sensors, and fuses are all integrated on flexible printed circuit boards. The busbar and temperature sensor are usually directly soldered onto the flexible printed circuit board, and the fuse is formed directly on the flexible printed circuit board through etching process. Therefore, in the prior art, when a temperature sensor or a fuse malfunctions, the entire flexible printed circuit board will be scrapped and needs to be replaced, resulting in high repair and maintenance costs. SUMMARY OF THE INVENTION The present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages. According to an aspect of the present invention, there is provided a battery connection module. The battery connection module comprises: a busbar, used for electrical connection to a battery cell; and a connector installed on the busbar for electrically connecting the busbar to a wire of a ribbon cable. The connector comprises: a first housing; and a first terminal which is set in the first housing. The bottom of the first terminal is exposed from the bottom of the first housing and welded to the busbar, the first terminal has a wire clamping structure, which is used to clamp the wire for electrical connection with the wire. According to an exemplary embodiment of the present invention, the wire clamping structure comprises a pair of elastic arms, and the wire is adapted to be clamped between the pair of elastic arms; a first guiding slope is formed on the inner side of the end of the pair of elastic arms for guiding the wire to be inserted between the pair of elastic arms. According to another exemplary embodiment of the present invention, the first terminal also has a first bottom plate connected to the elastic arm, which is exposed from the bottom of the first housing and welded to the busbar. According to another exemplary embodiment of the present invention, a sealant is provided in the first housing, which covers the first bottom plate of the first terminal to prevent oxidation of the welding part of the first bottom plate. According to another exemplary embodiment of the present invention, the first terminal has two wire clamping structures spaced opposite each other in the longitudinal direction of the first housing, and the two wire clamping structures simultaneously clamp the wire. According to another exemplary embodiment of the present invention, the first bottom plate has two opposite front and rear sides in the longitudinal direction, and the two wire clamping structures are respectively connected to the front and rear sides of the first bottom plate. According to another exemplary embodiment of the present invention, a first positioning socket is formed in the first bottom plate, and a first positioning protrusion is formed on the busbar, the first positioning protrusion is engaged with the first positioning socket to position the first terminal on the busbar. According to another exemplary embodiment of the present invention, the first housing comprises: a first base which has a top opening; and a first top cover which is installed onto the top opening of the first base. The first terminal is arranged in the first base, an opening is formed at the bottom of the first base to allow the bottom of the first terminal to be exposed through the opening, and slot holes are respectively formed in the front and rear side walls of the first base to allow the wire to pass through. According to another exemplary embodiment of the present invention, a convex rib corresponding to the slot hole in the first base is formed on the first top cover, and the convex rib is adapted to be inserted into the slot hole for pressing and holding the wire into the wire clamping structure of the first terminal. According to another exemplary embodiment of the present invention, one side of the first top cover and one side of the first base are rotatably connected, allowing the first top cover to open and close relative to the first base; when the first top cover is rotated to the closed position, the convex rib presses and holds the wire into the wire clamping structure of the first terminal. According to another exemplary embodiment of the present invention, a buckle is formed on the first top cover, and a protrusion is formed on the first base, the protrusion engages with the snap slot on the buckle to lock the first top cover in the closed position. According to another exemplary embodiment of the present invention, the first housing is an integral injection molded part and further comprises a flexible connection part connected between the first top cover and the first base, so that the first top cover can be rotated relative to the first base to open or close. According to another exemplary embodiment of the present invention, a positioning column is formed on the bottom surface of the first base, and a positioning hole is formed in the busbar, the positioning column is mated with the positioning hole to position the first housing onto the busbar. According to another aspect of the present invention, there is provided a battery connection assembly. The battery connection assembly comprises: a ribbon cable comprising at least one row of wires; and the above battery connection module, wherein the wire clamping structure of the first terminal clamps a corresponding wire of the ribbon cable. According to an exemplary embodiment of the present invention, the battery connection assembly comprises multiple battery connection modules, and the wire clamping structures of the first terminals of the multiple battery connection modules respectively clamp multiple wires of the ribbon cable. According to another aspect of the present invention, there is provided a battery connection module. The battery connection module comprises: a busbar, used for electrical connection to a battery cell; and a connector installed on the busbar for electrically connecting the busbar to a wire of a ribbon cable. The connector comprises: a first housing; a first terminal which is set in the first housing; a second terminal which is set in the first housing; and a fuse which is installed in 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, the second terminal has a wire clamping structure, which is used to clamp the wire for electrical connection with the wire. According to an exemplary embodiment of the present invention, the wire clamping structure comprises a pair of elastic arms, and the wire is adapted to be clamped between the pair of elastic arms; a first guiding slope is formed on the inner side of the end of the pair of elastic arms for guiding the wire to be inserted between the pair of elastic arms. According to another exemplary embodiment of the present invention, the first terminal and the second terminal each have a lead clamping structure, and the lead clamping structures of the first terminal and the second terminal respectively clamp the two first leads of the fuse, so that the fuse is connected in series between the first terminal and the second terminal. According to another exemplary embodiment of the present invention, the lead clamping structure comprises a pair of cantilever parts, and the first lead of the fuse is adapted to be clamped between the pair of cantilever parts; a second guiding slope is formed on the inner side of the end of the pair of cantilever parts, for guiding the first lead wire of the fuse to be inserted between the pair of cantilever parts. According to another exemplary embodiment of the present invention, the first terminal also has a first bottom plate connected to its lead clamping structure, and the first bottom plate is exposed from the bottom of the first housing and welded to the busbar; the second terminal also has a second bottom plate connected to its wire clamping structure and lead clamping structure. According to another exemplary embodiment of the present invention, the second terminal has two wire clamping structures spaced opposite each other in the longitudinal direction of the first housing, and the two wire clamping structures of the second terminal simultaneously clamp the wire. According to another exemplary embodiment of the present invention, the first terminal has two lead clamping structures spaced opposite each other in the longitudinal direction of the first housing, and the two lead clamping structures of the first terminal simultaneously clamp one first lead of the fuse; the second terminal has two lead clamping structures spaced opposite each other in the longitudinal direction of the first housing, and the two lead clamping structures of the second terminal simultaneously clamp the other first lead of the fuse. According to another exemplary embodiment of the present invention, the first bottom plate has opposite front and rear sides in the longitudinal direction, and the two lead clamping structures of the first terminal are respectively connected to the front and rear sides of the first bottom plate; the second bottom plate has opposite front and rear sides in the longitudinal direction, and the two lead clamping structures of the second terminal are respectively connected to the front and rear sides of the second bottom plate; the two wire clamping structures of the second terminal are connected to the front and rear sides of the second bottom plate respectively, and are spaced apart from the lead clamping structure of the second terminal in the transverse direction of the first housing. According to another exemplary embodiment of the present invention, a first positioning socket is formed in the first bottom plate, and a first positioning protrusion is formed on the busbar, the first positioning protrusion is engaged with the first positioning socket to position the first terminal on the busbar. According to another exemplary embodiment of the present invention, the first housing comprises: a first base which has a top opening; and a first top cover which is installed onto the top opening of the first base. The first terminal and the second terminal are arranged in the first base, and an opening is formed at the bottom of the first base to allow the bottom of the first terminal to be exposed through the opening. According to another exemplary embodiment of the present invention, a transverse partition wall is formed in the first base to divide the internal space of the first base into a front chamber and a rear chamber, and a longitudinal partition wall is formed to divide the front chamber into a left chamber and a right chamber, the first terminal and the second terminal are respectively arranged in the right chamber and the left chamber of the first base, and the body of the fuse is arranged in the rear chamber of the first base, a first wire groove allowing the wire to pass through and a first lead groove allowing the first lead wire of the fuse to pass through are respectively formed in the front side wall and the transverse partition wall of the first base. According to another exemplary embodiment of the present invention, a positioning column is formed on the bottom surface of the first base, and a positioning hole is formed in the busbar, the positioning column is mated with the positioning hole to position the first housing onto the busbar. According to another aspect of the present invention, there is provided a battery connection assembly. The battery connection assembly comprises: a ribbon cable comprising at least one row of wires; and the above battery connection module, wherein the wire clamping structure of the second terminal clamps a corresponding wire of the ribbon cable. According to an exemplary embodiment of the present invention, the battery connection assembly comprises multiple battery connection modules, and the wire clamping structures of the second terminals of the multiple battery connection modules respectively clamp multiple wires of the ribbon cable. According to another aspect of the present invention, there is provided a battery connection system. The battery connection system comprises: the above battery connection assembly; and a tray, onto which the battery connection assembly is installed. According to an exemplary embodiment of the present invention, the battery connection system further comprises a temperature detection module which is installed on the tray to detect the temperature of a battery. According to another exemplary embodiment of the present invention, the temperature detection module comprises: a second housing; two terminals which are arranged in the second housing and each has a first clamping structure; a temperature sensor which is installed in the second housing and connected in series between the two terminals; and a thermal pad which is installed in the second housing and in thermal contact with the temperature sensor. The first clamping structures of the two terminals respectively clamp two wires of the ribbon cable to be electrically connected to the two wires, the thermal pad is exposed from the bottom of the second housing for thermal contact with the battery cell, battery pack top cover, or busbar to transfer heat from the battery cell, battery pack top cover, or busbar to the temperature sensor. According to another exemplary embodiment of the present invention, the two terminals each have a second clamping structure, and the second clamping structures of the two terminals respectively clamp two second leads of the temperature sensor, so that the temperature sensor is connected in series between the two terminals. According to another exemplary embodiment of the present invention, the terminal has two first clamping structures spaced opposite each other in the longitudinal direction of the second housing for simultaneously clamping the wire; the terminal has two second clamping structures spaced opposite each other in the longitudinal direction of the second housing for simultaneously clamping the second lead wire of the temperature sensor. According to another exemplary embodiment of the present invention, the first clamping structure of the terminal comprises a pair of first elastic arms, and the wire is clamped between the pair of first elastic arms; the second clamping structure of the terminal comprises a pair of second elastic arms, and the second lead wire of the temperature sensor is clamped between the pair of second elastic arms. According to another exemplary embodiment of the present invention, the terminal has a bottom plate, which has front and rear sides opposite to each other in the longitudinal direction of the second housing, the two first clamping structures of the terminal are respectively connected to the front and rear sides of the bottom plate; the two second clamping structures of the terminal are respectively connected to the front and rear sides of the bottom plate, and the first clamping structure and the second clamping structure of the terminal are spaced apart in the transverse direction of the second housing. According to another exemplary embodiment of the present invention, the second housing comprises: a second base which is formed with a top opening; and a second top cover which is installed on the top opening of the second base. A first partition wall is formed in the second base to divide the internal space of the second base into a front chamber and a rear chamber, and a second partition wall is formed to divide the front chamber into a left chamber and a right chamber, the two terminals are respectively arranged in the left chamber and the right chamber of the second base, and the main body of the temperature sensor and the thermal pad are arranged in the rear chamber of the second base, a second wire groove that allows the wire to pass through and a second wire groove that allows the second lead of the temperature sensor to pass through are respectively formed in the front wall of the second base and the first partition wall. According to another exemplary embodiment of the present invention, an elastic locking buckle is formed on the bottom of the second base, and a locking hole is formed in the tray, the elastic locking buckle is inserted into the locking hole and engaged with the locking hole to lock the second housing to the tray. According to another exemplary embodiment of the present invention, an opening is formed in the second base of the second housing to allow the thermal pad to pass through, and a window is formed in the tray to allow the thermal pad to pass through, the thermal pad passes through the second base and the tray and is in thermal contact with the battery cell, the battery pack top cover, or the busbar. In the aforementioned exemplary embodiments according to the present invention, the battery connection module or temperature detection module can be replaced separately without the need to replace the entire battery connection assembly or the entire battery connection system. Therefore, the present invention can save maintenance and repair costs. In addition, the present invention does not require the use of expensive flexible printed circuit boards, only inexpensive ribbon cables are needed, thus greatly reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which: Figure 1 shows an illustrative perspective view of a battery connection system according to an exemplary embodiment of the present invention; Figure 2 shows an illustrative partially enlarged view of a battery connection system according to an exemplary embodiment of the present invention; Figure 3 shows an illustrative perspective view of a battery connection module according to an exemplary embodiment of the present invention, with the first top cover in a closed position; Figure 4 shows an illustrative perspective view of a battery connection module according to an exemplary embodiment of the present invention, with the first top cover in an open position; Figure 5 shows an illustrative exploded view of a battery connection module according to an exemplary embodiment of the present invention; Figure 6 shows a cross-sectional view of a battery connection module according to an exemplary embodiment of the present invention, where the first housing is not shown; Figure 7 shows an illustrative perspective view of the first terminal and wires of a battery connection module according to an exemplary embodiment of the present invention; Figure 8 shows an illustrative perspective view of the first housing of a battery connection module according to an exemplary embodiment of the present invention, with the first top cover in an open position; Figure 9 shows an illustrative perspective view of a temperature detection module according to an exemplary embodiment of the present invention when viewed from the top; Figure 10 shows an illustrative perspective view of a temperature detection module according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 11 shows an illustrative exploded view of a temperature detection module according to an exemplary embodiment of the present invention; Figure 12 shows an illustrative perspective view of a temperature detection module according to an exemplary embodiment of the present invention, wherein the second housing is not shown; Figure 13 shows an illustrative perspective view of a battery connection module according to another exemplary embodiment of the present invention, wherein the first top cover is in a closed position; Figure 14 shows an illustrative perspective view of a battery connection module according to another exemplary embodiment of the present invention, with the first top cover removed; Figure 15 shows an illustrative exploded view of a battery connection module according to another exemplary embodiment of the present invention; and Figure 16 shows an illustrative exploded view of a connector of a battery connection module according to another exemplary embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE IVENTION Exemplary embodiments of the present disclosure will be described hereinafter in detail with reference to the attached drawings, wherein the like reference numerals refer to the like elements. The present disclosure may, however, be embodied in many different forms and should not be construed as being limited to the embodiment set forth herein; rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawing. According to a general concept of the present invention, there is provided a battery connection module. The battery connection module comprises: a busbar, used for electrical connection to a battery cell; and a connector installed on the busbar for electrically connecting the busbar to a wire of a ribbon cable. The connector comprises: a first housing; and a first terminal which is set in the first housing. The bottom of the first terminal is exposed from the bottom of the first housing and welded to the busbar, the first terminal has a wire clamping structure, which is used to clamp the wire for electrical connection with the wire. According to another general concept of the present invention, there is provided a battery connection assembly. The battery connection assembly comprises: a ribbon cable comprising at least one row of wires; and the above battery connection module, wherein the wire clamping structure of the first terminal clamps a corresponding wire of the ribbon cable. According to another general concept of the present invention, there is provided a battery connection module. The battery connection module comprises: a busbar, used for electrical connection to a battery cell; and a connector installed on the busbar for electrically connecting the busbar to a wire of a ribbon cable. The connector comprises: a first housing; a first terminal which is set in the first housing; a second terminal which is set in the first housing; and a fuse which is installed in 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, the second terminal has a wire clamping structure, which is used to clamp the wire for electrical connection with the wire. According to another general concept of the present invention, there is provided a battery connection assembly. The battery connection assembly comprises: a ribbon cable comprising at least one row of wires; and the above battery connection module, wherein the wire clamping structure of the second terminal clamps a corresponding wire of the ribbon cable. According to another general concept of the present invention, there is provided a battery connection system. The battery connection system comprises: the above battery connection assembly; and a tray, onto which the battery connection assembly is installed. Figure 1 shows an illustrative perspective view of a battery connection system according to an exemplary embodiment of the present invention; Figure 2 shows an illustrative partially enlarged view of a battery connection system according to an exemplary embodiment of the present invention; Figure 3 shows an illustrative perspective view of a battery connection module 100 according to an exemplary embodiment of the present invention, wherein the first top cover 12 is in a closed position; Figure 4 shows an illustrative perspective view of a battery connection module 100 according to an exemplary embodiment of the present invention, wherein the first top cover 12 is in an open position; Figure 5 shows an illustrative exploded view of a battery connection module 100 according to an exemplary embodiment of the present invention; Figure 6 shows a cross-sectional view of a battery connection module 100 according to an exemplary embodiment of the present invention, where the first housing 10 is not shown; Figure 7 shows an illustrative 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 shows an illustrative 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 top cover 12 in an open position. As shown in Figures 1 to 8, in an exemplary embodiment of the present invention, a battery connection module 100 is disclosed. The battery connection module 100 includes: a busbar 2 and a connector 1. The busbar 2 is used to electrically connect a battery cell (not shown) to the battery pack. The connector 1 is installed on the busbar 2 to electrically connect the busbar 2 to a wire 40 of a ribbon cable 4. 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 set 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 clamping structure 130, which is used to clamp the wire 40 for electrical connection with the wire 40. As shown in Figures 1 to 8, in the illustrated embodiment, the wire clamping structure 130 includes a pair of elastic arms 132, and the wire 40 is adapted to be clamped between the pair of elastic arms 132. A first guide slope 132a is formed on the inner side of the end of a pair of elastic arms 132 for guiding the wire 40 to be inserted between the pair of elastic arms 132. 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, which is exposed from the bottom of the first housing 10 and welded to the busbar 2. The busbar 2 may be in the shape of a plate, for example a rectangular plate. As shown in Figures 1 to 8, in the illustrated embodiment, a sealant 19 is provided in the first housing 10, which covers the first bottom plate 131 of the first terminal 13 to prevent the welding part of the first bottom plate 131 from being oxidized. As shown in Figures 1 to 8, in the illustrated embodiment, the first terminal 13 has two wire clamping structures 130 spaced opposite each other in the longitudinal direction of the first housing 10, and both wire clamping structures 130 simultaneously clamp the wire 40. As shown in Figures 1 to 8, in the illustrated embodiment, the first bottom plate 131 has longitudinally opposite front and rear sides, and two wire clamping structures 130 are connected to the front and rear sides of the first bottom plate 131, respectively. As shown in Figures 1 to 8, in the illustrated embodiment, a first positioning socket 13a is formed on the first bottom plate 131, and a first positioning protrusion 2a is formed on the busbar 2. The first positioning protrusion 2a is engaged with the first positioning socket 13a to position the first terminal 13 on the busbar 2. As shown in Figures 1 to 8, in the illustrated embodiment, the first housing 10 includes a first base 11 and a first top cover 12. The first base 11 has a top opening. The first top cover 12 is installed onto the top opening of the first base 11. The first terminal 13 is set in the first base 11, and an opening is formed at the bottom of the first base 11 to allow the bottom of the first terminal 13 to be exposed. Slot holes Ila are respectively formed in the front and rear side walls of the first base 11 to allow the wire 40 to pass through. As shown in Figures 1 to 8, in the illustrated embodiment, a convex rib 12a corresponding to the slot hole Ila in the first base 11 is formed on the first top cover 12. The convex rib 12a is suitable for inserting into the slot hole Ila for pressing and holding the wire 40 into the wire clamping structure 130 of the first terminal 13. As shown in Figures 1 to 8, in the illustrated embodiment, one side of the first top cover 12 and one side of the first base 11 are rotatably connected, allowing the first top cover 12 to open and close relative to the first base 11. When the first top cover 12 is rotated to the closed position, the convex rib 12a presses and holds the wire 40 into the wire clamping structure 130 of the first terminal 13. As shown in Figures 1 to 8, in the illustrated embodiment, a buckle 12b is formed on the first top cover 12, and a protrusion 11b is formed on the first base 11. The protrusion 11b engages with the snap slot 12c on the buckle 12b to lock the first top cover 12 in the closed position. As shown in Figures 1 to 8, in the illustrated embodiment, the first housing 10 is an integral injection molded part and further includes a flexible connection part 101 such as a living hinge. The flexible connection part 101 is connected between the first top cover 12 and the first base 11, allowing the first top cover 12 to open and close relative to the first base 11. As shown in Figures 1 to 8, in the illustrated embodiment, a positioning column lid is formed on the bottom surface of the first base 11, and a positioning hole 2d is formed in the busbar 2. The positioning column lid is mated with the positioning hole 2d to position the first housing 10 on the busbar 2. As shown in Figures 1 to 8, in another exemplary embodiment of the present invention, a battery connection assembly is also disclosed. The battery connection assembly includes a ribbon cable 4 and the aforementioned battery connection module 100. The ribbon cable 4 includes at least one row of wires 40. The wire clamping structure 130 of the first terminal 13 of the battery connection module 100 clamps a corresponding wire 40 of the ribbon cable 4. As shown in Figures 1 to 8, in the illustrated embodiment, the battery connection assembly includes multiple battery connection modules 100. The wire clamping structure 130 of the first terminal 13 of multiple battery connection modules 100 respectively clamps multiple wires 40 of the ribbon cable 4. Figure 13 shows an illustrative perspective view of a battery connection module 100 according to another exemplary embodiment of the present invention, wherein the first top cover 12 is in a closed position; Figure 14 shows an illustrative perspective view of a battery connection module 100 according to another exemplary embodiment of the present invention, with the first top cover 12 removed; Figure 15 shows an illustrative exploded view of a battery connection module 100 according to another exemplary embodiment of the present invention; Figure 16 shows an illustrative exploded view of the connector of the battery connection module 100 according to another exemplary embodiment of the present invention. As shown in Figures 1 to 2 and Figures 13 to 16, in another exemplary embodiment of the present invention, a battery connection module 100 is also disclosed. The battery connection module 100 includes: a busbar 2 and a connector 1. The busbar 2 is used for electrical connection to a battery cell. The connector 1 is installed on the busbar 2 to electrically connect the busbar 2 to a wire 40 of a ribbon cable 4. As shown in Figures 1 to 2 and Figures 13 to 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 set in the first housing 10. The second terminal 15 is set in the first housing 10. The fuse 14 is set in the first housing 10 and 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 clamping structure 130, which is used to clamp the wire 40 for electrical connection with the wire 40. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the wire clamping structure 130 includes a pair of elastic arms 132, and the wire 40 is adapted to be clamped between the pair of elastic arms 132. A first guide slope 132a is formed on the inner side of the end of a pair of elastic arms 132 for guiding the wire 40 to be inserted between the pair of elastic arms 132. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the first terminal 13 and the second terminal 15 each have a lead clamping structure 150. The lead clamping structures 150 of the first terminal 13 and the second terminal 15 respectively clamp the two first leads 141 of the fuse 14, so that the fuse 14 is connected in series between the first terminal 13 and the second terminal 15. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the lead clamping structure 150 includes a pair of cantilever parts 152, and the first lead 141 of the fuse 14 is adapted to be clamped between the pair of cantilever parts 152. A second guiding slope 152a is formed on the inner side of the end of a pair of cantilever parts 152, for guiding the first lead wire 141 of the fuse 14 to be inserted between the pair of cantilever parts 152. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the first terminal 13 also has a first bottom plate 131 connected to its lead clamping 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 clamping structure 130 and lead clamping structure 150. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the second terminal 15 has two wire clamping structures 130 spaced opposite each other in the longitudinal direction of the first housing 10, and the two wire clamping structures 130 of the second terminal 15 simultaneously clamp the wire 40. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the first terminal 13 has two lead clamping structures 150 spaced opposite each other in the longitudinal direction of the first housing 10. The two lead clamping structures 150 of the first terminal 13 simultaneously clamp one first lead 141 of the fuse 14. The second terminal 15 has two lead clamping structures 150 spaced opposite each other in the longitudinal direction of the first housing 10, and the two lead clamping structures 150 of the second terminal 15 simultaneously clamp the other first lead 141 of the fuse 14. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the first bottom plate 131 has longitudinally opposite front and rear sides, and the two lead clamping structures 150 of the first terminal 13 are respectively connected to the front and rear sides of the first bottom plate 131. The second bottom plate 151 has longitudinally opposite front and rear sides, and the two lead clamping structures 150 of the second terminal 15 are connected to the front and rear sides of the second bottom plate 151, respectively. The two wire clamping structures 130 of the second terminal 15 are connected to the front and rear sides of the second bottom plate 151 respectively, and are spaced apart from the wire clamping structure 150 of the second terminal 15 in the transverse direction of the first housing 10. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, a first positioning socket 13a is formed in the first bottom plate 131, and a first positioning protrusion 2a is formed on the busbar 2. The first positioning protrusion 2a is engaged with the first positioning socket 13a to position the first terminal 13 on the busbar 2. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the first housing 10 includes a first base 11 and a first top cover 12. The first base 11 has a top opening. The first top cover 12 is installed onto the top opening of the first base 11. The first terminal 13 and the second terminal 15 are arranged in the first base 11, and an opening is formed at the bottom of the first base 11 to allow the bottom of the first terminal 13 to be exposed. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, a transverse 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 Ila and a right chamber 111b. The first terminal 13 and the second terminal 15 are respectively arranged in the right chamber 111b and the left chamber Illa of the first base 11, and the body 140 of the fuse 14 is arranged in the rear chamber 112 of the first base 11. A first wire groove lie allowing the wire 40 to pass through and a first wire groove Ilf allowing the first lead 141 of the fuse 14 to pass through are respectively formed in the front side wall and the transverse partition wall 113 of the first base 11. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, a positioning column lid (see Figures 3 to 8) is formed on the bottom surface of the first base 11, and a positioning hole 2d (see Figures 3 to 8) is formed in the busbar 2. The positioning column lid is mated with the positioning hole 2d to position the first housing 10 on the busbar 2. As shown in Figures 1 to 2 and Figures 13 to 16, in another exemplary embodiment of the present invention, a battery connection assembly is also disclosed. The battery connection assembly includes a ribbon cable 4 and a battery connection module 100 as shown in Figures 13 to 16. The ribbon cable 4 includes at least one row of wires 40. The wire clamping structure 130 of the second terminal 15 of the battery connection module 100 clamps a corresponding wire 40 of the ribbon cable 4. As shown in Figures 1 to 2 and Figures 13 to 16, in the illustrated embodiment, the battery connection assembly includes multiple battery connection modules 100, and the wire clamping structures 130 of the second terminals 15 of the multiple battery connection modules 100 respectively clamp multiple wires 40 of the ribbon cable 4. Figure 9 shows an illustrative perspective view of the temperature detection module 5 according to an exemplary embodiment of the present invention when viewed from the top; Figure 10 shows an illustrative perspective view of the temperature detection module 5 according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 11 shows an illustrative exploded view of a temperature detection module 5 according to an exemplary embodiment of the present invention; Figure 12 shows an illustrative perspective view of a temperature detection module 5 according to an exemplary embodiment of the present invention, where the second housing 50 is not shown. As shown in Figures 1 to 16, in another exemplary embodiment of the present invention, a battery connection system is also disclosed. The battery connection system includes the aforementioned battery connection assembly and a tray 3. The battery connection assembly is installed onto the tray 3. As shown in Figures 1 to 16, in the illustrated embodiment, the battery connection system further includes a temperature detection module 5. The temperature detection module 5 is installed on the tray 3 to detect the temperature of the battery. 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 thermal pad 54. Two terminals 52 are arranged in the second housing 50 and each have a first clamping structure 521. The temperature sensor 53 is installed in the second housing 50 and connected in series between two terminals 52. The thermal pad 54 is installed in the second housing 50 and in thermal contact with the temperature sensor 53. The first clamping structure 521 of the two terminals 52 respectively clamps the two wires 40 of the ribbon cable 4 to be electrically connected to the two wires 40. 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, battery pack top cover or busbar 2, in order to transfer the heat of the battery cell, battery pack top cover or busbar 2 to the temperature sensor 53. As shown in Figures 1 to 16, in the illustrated embodiment, the two terminals 52 each have a second clamping structure 522, and the second clamping structures 522 of the two terminals 52 respectively clamp the two second leads 531 of the temperature sensor 53, so that the temperature sensor 53 is connected in series between the two terminals 52. As shown in Figures 1 to 16, in the illustrated embodiment, the terminal 52 has two first clamping structures 521 spaced opposite each other in the longitudinal direction of the second housing 50 for simultaneously clamping the wire 40. The terminal 52 has two second clamping structures 522 spaced opposite each other in the longitudinal direction of the second housing 50 for simultaneously clamping the second lead 531 of the temperature sensor 53. As shown in Figures 1 to 16, in the illustrated embodiment, the first clamping 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 clamping structure 522 of terminal 52 includes a pair of second elastic arms 522a, and the second lead 531 of temperature sensor 53 is clamped between the pair of second elastic arms 522a. As shown in Figures 1 to 16, in the illustrated embodiment, the terminal 52 has a bottom plate 520, which has front and rear sides opposite to each other in the longitudinal direction of the second housing 50. The two first clamping structures 521 of the terminal 52 are respectively connected to the front and rear sides of the bottom plate 520. The two second clamping structures 522 of terminal 52 are respectively connected to the front and rear sides of the bottom plate 520, and the first clamping structure 521 and the second clamping structure 522 of terminal 52 are spaced apart in the transverse direction of the second housing 50. As shown in Figures 1 to 16, in the illustrated embodiment, the second housing 50 includes a second base 51 and a second top cover 55. The second base 51 is formed with a top opening. The second top cover 55 is installed on the top 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 respectively set in the left chamber 501a and the right chamber 501b of the second base 51, and the main body 530 of the temperature sensor 53 and the thermal pad 54 are set in the rear chamber 502 of the second base 51. On the front wall of the second base 51 and the first partition wall 511, there are respectively formed a second wire groove 51a that allows the wire 40 to pass through and a second wire groove 51b that allows the second lead 531 of the temperature sensor 53 to pass through. As shown in Figures 1 to 16, in the illustrated embodiment, an elastic locking buckle 51c is formed on 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 engaged with it to lock the second housing 50 to the tray 3. As shown in Figures 1 to 16, in the illustrated embodiment, an opening allowing the thermal pad 54 to pass through is formed on the second base 51 of the second housing 50, and a window allowing the thermal pad 54 to pass through is formed on the tray 3. The thermal pad 54 passes through the second base 51 and the tray 3 and is in thermal contact with the battery cell, battery pack top cover, or busbar 2. It should be appreciated for those skilled in this art that the above embodiments are intended to be illustrated, and not restrictive. For example, many modifications may be made 5 to the above embodiments by those skilled in this art, and various features described in different embodiments may be freely combined with each other without conflicting in configuration or principle. Although several exemplary embodiments have been shown and described, it would be appreciated by those skilled in the art that various changes or modifications may be made in 10 these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents. As used herein, an element recited in the singular and proceeded with the word "a" or "an" should be understood as not excluding plural of said elements or steps, unless such exclusion is explicitly stated. Furthermore, references to "one embodiment" of the present 15 invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Moreover, unless explicitly stated to the contrary, embodiments "comprising" or "having" an element or a plurality of elements having a particular property may include additional such elements not having that property.

Claims

1. A battery connection module, comprising:a busbar (2), used for electrical connection to a battery cell; anda connector (1) installed on the busbar (2) for electrically connecting the busbar (2) to a wire (40) of a ribbon cable (4),wherein the connector (1) comprises:a first housing (10); anda first terminal (13) which is set in the first housing (10),wherein the bottom of the first terminal (13) is exposed from the bottom of the first housing (10) and welded to the busbar (2),wherein the first terminal (13) has a wire clamping structure (130), which is used to clamp the wire (40) for electrical connection with the wire (40).

2. The battery connection module according to claim 1,wherein the wire clamping structure (130) comprises a pair of elastic arms (132), and the wire (40) is adapted to be clamped between the pair of elastic arms (132);wherein a first guiding slope (132a) is formed on the inner side of the end of the pair of elastic arms (132) for guiding the wire (40) 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), which is exposed from the bottom of the first housing (10) and welded to the busbar (2).

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

5. The battery connection module according to claim 3 or 4,wherein the first terminal (13) has two wire clamping structures (130) spaced opposite each other in the longitudinal direction of the first housing (10), and the two wire clamping structures (130) simultaneously clamp the wire (40).

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

7. The battery connection module according to any one of claims 3 to 6, wherein a first positioning socket (13a) is formed in the first bottom plate (131), and a first positioning protrusion (2a) is formed on the busbar (2), the first positioning protrusion (2a) is engaged with the first positioning socket (13a) to position the first terminal (13) on the busbar (2).

8. The battery connection module according to any preceding claim, wherein the first housing (10) comprises:a first base (11) which has a top opening; anda first top cover (12) which is installed onto the top opening of the first base (11), wherein the first terminal (13) is arranged in the first base (11), an opening is formed at the bottom of the first base (11) to allow the bottom of the first terminal (13) to be exposed through the opening, and slot holes (Ila) are respectively formed in the front and rear side walls of the first base (11) to allow the wire (40) to pass through.

9. The battery connection module according to claim 8,wherein a convex rib (12a) corresponding to the slot hole (Ila) in the first base (11) is formed on the first top cover (12), and the convex rib (12a) is adapted to be inserted into the slot hole (Ila) for pressing and holding the wire (40) into the wire clamping structure (130) of the first terminal (13).

10. The battery connection module according to claim 9,wherein one side of the first top cover (12) and one side of the first base (11) are rotatably connected, allowing the first top cover (12) to open and close relative to the first base (11);wherein when the first top cover (12) is rotated to the closed position, the convex rib (12a) presses and holds the wire (40) into the wire clamping structure (130) of the first terminal (13).

11. The battery connection module according to claim 10,wherein a buckle (12b) is formed on the first top cover (12), and a protrusion (11b) is formed on the first base (11), the protrusion (11b) engages with the snap slot (12c) on the buckle (12b) to lock the first top cover (12) in the closed position.

12. The battery connection module according to claim 10 or 11,wherein the first housing (10) is an integral injection molded part and further comprises a flexible connection part (101) connected between the first top cover (12) and the first base (11), so that the first top cover (12) can be rotated relative to the first base (11) to open or close.

13. The battery connection module according to any one of claims 8 to 12,wherein a positioning column (lid) is formed on the bottom surface of the first base (11), and a positioning hole (2d) is formed in the busbar (2), the positioning column (lid) is mated with the positioning hole (2d) to position the first housing (10) onto the busbar (2).

14. A battery connection assembly, comprising:a ribbon cable (4) comprising at least one row of wires (40); andthe battery connection module (100) according to any one of claims 1 to 13, wherein the wire clamping structure (130) of the first terminal (13) clamps a corresponding wire (40) of the ribbon cable (4).

15. The battery connection assembly according to claim 14,wherein the battery connection assembly comprises multiple battery connection modules (100), and the wire clamping structures (130) of the first terminals (13) of the multiple battery connection modules (100) respectively clamp multiple wires (40) of the ribbon cable (4).

16. A battery connection system, comprising:the battery connection assembly according to any one of claims 14 or 15; anda tray (3), onto which the battery connection assembly is installed.

17. The battery connection system according to claim 16, further comprising:a temperature detection module (5) which is installed on the tray (3) to detect the temperature of a battery.A

Images