Battery water joint assembly and battery rack

Abstract

A battery water and electricity joint assembly and a battery rack relate to the technical field of battery replacement. The water and electricity joint assembly is installed in each storage compartment of the battery rack and comprises a functional seat, a driving mechanism and a protection mechanism. The functional seat is provided with an electricity joint and a water joint. The protection mechanism is installed on the upper end of the functional seat. The driving mechanism is connected with the functional seat. The driving mechanism can drive the functional seat to rise and fall, so that the electricity joint and the water joint can be connected with the electricity interface and the water interface on the battery respectively. The electricity joint and the water joint on the functional seat can be shielded and protected. Foreign matters can be effectively prevented from falling on the functional seat. The safety of battery storage is improved. The overall structure is simple, and the charging quality of the battery is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of battery swapping technology, and in particular to a battery water-electricity connector assembly and a battery rack. Background Technology

[0002] Battery racks are an important component of battery swapping stations, used for centralized management of batteries (storage, charging, etc.). Water and electricity connectors are installed at the battery racks to connect the batteries to the charging and cooling equipment within the swapping station. When a battery stored in the rack needs to be charged, the water and electricity connectors move to engage with the interface on the battery. The electricity connector is used to establish an electrical connection with the battery to enable charging, while the water connector is used to establish a cooling system with the battery to dissipate heat and cool it.

[0003] Due to the complex driving environment of battery swapping vehicles, rainwater, snow, mud, and other foreign objects may adhere to the batteries. When the batteries are transferred to the storage compartment of the battery rack after the swapping process, these foreign objects can easily fall into the lower storage compartment, posing a risk of contaminating the water and electrical connectors. If batteries are stored in the lower storage compartment, the foreign objects may also contaminate the electrical and water interfaces on the batteries, causing the water and electrical connectors to malfunction and potentially leading to a short circuit, thus affecting battery charging and safety. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a battery water and electricity connector assembly and a battery rack, which can protect the water and electricity connector, prevent foreign objects in the battery rack from contaminating the water and electricity connector and the battery interface, and help ensure the safety of battery charging.

[0005] This utility model provides a battery water-electric connector assembly, which is installed in each storage compartment of the battery rack. It includes a functional base, a drive mechanism, and a protective mechanism. The functional base is equipped with an electrical connector and a water connector. The protective mechanism is installed on the upper end of the functional base. The drive mechanism is connected to the functional base and can drive the functional base to rise and fall so that the electrical connector and the water connector can be connected to the electrical interface and water interface on the battery, respectively.

[0006] In one embodiment, the driving mechanism includes a base, a driving member, and a first adjusting seat. The driving member is mounted on the base via the first adjusting seat. The driving member is connected to the functional seat and is used to drive the functional seat to move. The first adjusting seat is detachably connected to the base, and / or the driving member is detachably connected to the first adjusting seat.

[0007] In one embodiment, a maintenance groove is provided on the base, the maintenance groove extends through the base along the thickness direction, the first adjustment seat is located on one side of the maintenance groove, and the orthographic projection of the drive member in the thickness direction of the base is completely accommodated in the maintenance groove.

[0008] In one embodiment, the drive mechanism further includes a transmission seat, which includes a guide plate and a second adjustment seat. The guide plate is mounted on the second adjustment seat, and the second adjustment seat is detachably connected to the output shaft of the drive member. The guide plate is connected to the functional seat.

[0009] In one embodiment, the guide plate has a guide wheel protruding at one end near the functional seat, and a transmission plate is installed at one end of the functional seat near the drive mechanism. The transmission plate has a guide groove, and the guide wheel is accommodated in the guide groove and slides with the guide groove. The drive member can drive the guide plate and the guide wheel to move along the axial direction of the output shaft, so that the transmission plate can rise and fall relative to the guide plate through the sliding engagement of the guide groove and the guide wheel.

[0010] In one embodiment, the drive unit is provided with a Hall sensor, which is used to detect the extension and retraction of the output shaft.

[0011] In one embodiment, the driving mechanism further includes a first guide portion connected to the guide plate to guide the movement of the guide plate, and / or the driving mechanism further includes a second guide portion connected to the transmission plate to guide the movement of the transmission plate.

[0012] In one embodiment, the functional seat includes a mounting base plate and mounting side plates. The two mounting side plates are mounted on the upper end of the mounting base plate and located on both sides of the mounting base plate. The electrical connector and the water connector are mounted on the mounting base plate, and the protective mechanism is mounted on the upper end of the mounting side plates.

[0013] In one embodiment, the protective mechanism includes a baffle that is detachably mounted on the upper end of the mounting side plate.

[0014] This utility model also proposes a battery rack, including storage compartments distributed vertically, each of which is equipped with the aforementioned battery water and electricity connector assembly.

[0015] The beneficial effects of this utility model are as follows: A protective mechanism is installed on the upper part of the functional base. This mechanism shields and protects the electrical and water connectors on the functional base, effectively preventing foreign objects from falling onto it and ensuring their proper function. When the battery is placed into the storage compartment of the battery rack, the drive mechanism raises and lowers the functional base, allowing the electrical and water connectors to align and connect with the electrical and water interfaces on the battery, respectively. Because the protective mechanism is located on the upper part of the functional base, it also protects the electrical and water interfaces on the battery, preventing foreign objects from falling onto them. This effectively reduces the risk of short circuits and improves the safety of battery storage. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0018] Figure 2 This is another schematic diagram of the overall structure of an embodiment of the present utility model.

[0019] Figure 3 This is a schematic diagram of the protective mechanism and functional seat according to an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the drive mechanism according to an embodiment of the present invention.

[0021] Figure 5 This is an exploded view of the drive mechanism according to an embodiment of the present invention.

[0022] In the picture: 10-Functional seat; 11-Electrical connector; 12-Water connector; 13-Mounting base plate; 14-Mounting side plate; 141-Functional slot; 15-Transmission plate; 151-Guide slot; 20-Drive mechanism; 21-Base; 211-Maintenance slot; 22-Drive component; 221-Connector; 222-Output shaft; 23-First adjusting seat; 231-First support plate; 232-First fixing component; 233-First locking pin; 24-Transmission seat; 241-Guide plate; 242-Second adjusting seat; 243-Guide wheel; 244-Second support plate; 245-Second fixing component; 246-Second locking pin; 25-First guide part; 251-First support seat; 252-First guide rail; 253-First slide; 254-First through slot; 26-Second guide part; 261-Second support seat; 262-Second guide rail; 263-Second slide; 264-Second through slot; 30 - Protective mechanism; 31 - Baffle; 32 - Mounting component. Detailed Implementation

[0023] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0024] Unless otherwise explicitly specified and limited, the terms "setup," "installation," and "connection" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms based on the specific circumstances.

[0025] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar attributes, not to indicate or imply relative importance or a specific order.

[0027] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0028] The battery water-electricity connector assembly proposed in this utility model is installed in each storage compartment of the battery rack, combined with... Figure 1 and Figure 2 The battery water-electric connector assembly includes a functional base 10, a drive mechanism 20, and a protective mechanism 30. The functional base 10 is equipped with an electrical connector 11 and a water connector 12. The electrical connector 11 can be connected to the electrical interface on the battery to charge the battery, and the water connector 12 can be connected to the water interface on the battery to establish a cooling cycle and dissipate heat. The protective mechanism 30 is installed on the upper end of the functional base 10 to protect the upper part of the functional base 10. The drive mechanism 20 is connected to the functional base 10 and is used to drive the functional base 10 to rise and fall so that the functional base 10 can be aligned with the position of the battery, so that the electrical connector 11 and the water connector 12 can be connected to the electrical interface and the water interface on the battery, respectively.

[0029] Due to the complex driving environment of battery swapping vehicles, rainwater, snow, mud, and other foreign objects may adhere to the batteries. When the batteries are swapped and enter the storage compartment of the battery rack, the foreign objects carried by the batteries can easily fall into the lower storage compartment. There is a risk that the foreign objects will contaminate the electrical connectors 11 and water connectors 12 on the function seat 10. If there are batteries in the lower storage compartment, the foreign objects may also contaminate the electrical and water interfaces on the batteries, which may cause the function seat 10 to malfunction and may also cause a short circuit in the batteries, affecting the charging and safety of the batteries.

[0030] A protective mechanism 30 is installed on the upper end of the functional base 10. The protective mechanism 30 can shield and protect the electrical connector 11 and water connector 12 on the functional base 10, effectively preventing foreign objects from falling on the functional base 10, thereby ensuring the normal function of the electrical connector 11 and water connector 12. When the battery is sent into the storage compartment of the battery rack, the drive mechanism 20 can drive the functional base 10 to rise and fall, so that the electrical connector 11 and water connector 12 can correspond to and connect with the electrical interface and water interface on the battery, respectively. Since the protective mechanism 30 is located on the upper end of the functional base 10, the protective mechanism 30 can also protect the electrical interface and water interface on the battery, preventing foreign objects from falling on the electrical interface and water interface of the battery, effectively reducing the risk of short circuit of the battery, and improving the safety of battery storage.

[0031] In one embodiment, combined with Figure 1 and Figure 3 The functional seat 10 includes a mounting base plate 13 and mounting side plates 14. The two mounting side plates 14 are mounted opposite each other on the upper end of the mounting base plate 13 and are located on both sides of the mounting base plate 13. The electrical connector 11 and the water connector 12 are mounted on the mounting base plate 13. The protective mechanism 30 is mounted on the upper end of the mounting side plates 14 to cover the electrical connector 11 and the water connector 12.

[0032] In this example of Embodiment 1, combined with Figure 2 and Figure 3 The protective mechanism 30 includes a baffle 31, which is detachably installed on the upper end of the mounting side plate 14. This can prevent foreign objects from falling onto the functional seat 10 and contaminating the electrical connector 11 and water connector 12, effectively preventing the failure of the electrical connector 11 and water connector 12, thereby helping to ensure the charging quality of the battery.

[0033] For example, refer to Figure 3 The baffle 31 has a first mounting hole, and the mounting side plate 14 has a second mounting hole at its upper end. The first mounting hole and the second mounting hole are connected by a mounting member 32, which allows the baffle 31 to be mounted on the upper end of the mounting side plate 14.

[0034] Furthermore, the mounting component 32 uses bolts, and both the first and second mounting holes are threaded holes. The baffle 31 can be detached and installed by means of threaded connection. This design facilitates the disassembly and replacement of the baffle 31. When it is necessary to inspect and maintain the electrical connector 11 and the water connector 12, the baffle 31 can be removed. The structure is simple and the operation is convenient.

[0035] For example, the upper end of the baffle 31 is provided with a cavity to accommodate and store fallen foreign objects.

[0036] In this example of Embodiment 1, combined with Figure 1 and Figure 3 A functional groove 141 is provided on the mounting side plate 14. The functional groove 141 extends through the mounting side plate 14 along the thickness direction. The functional groove 141 can not only reduce weight and make the functional seat 10 move more stably and smoothly under the drive of the drive mechanism 20, but also facilitate the arrangement of the line connected to the electrical connector 11 and the pipe connected to the water connector 12.

[0037] In one embodiment, such as Figure 4 As shown, the drive mechanism 20 includes a base 21, a drive member 22, and a first adjustment seat 23. The first adjustment seat 23 is mounted on the base 21. The drive member 22 is detachably mounted on the base 21 via the first adjustment seat 23. The first adjustment seat 23 is detachably connected to the base 21, and / or the drive member 22 is detachably connected to the first adjustment seat 23 to facilitate maintenance of the drive member 22. The drive member 22 is connected to the functional seat 10 to drive the functional seat 10 to move.

[0038] In this example of Embodiment 1, combined with Figure 4 and Figure 5A maintenance slot 211 is provided on the base 21, which extends through the base 21 along its thickness direction. The first adjustment seat 23 is installed on one side of the maintenance slot 211 so that the orthographic projection of the drive component 22 in the thickness direction of the base 21 is completely contained within the maintenance slot 211. The maintenance slot 211 not only reduces the weight of the base 21 but also facilitates the disassembly and maintenance of the drive component 22. When the drive component 22 needs to be replaced, it can be removed through the maintenance slot 211 without disassembling the entire drive mechanism 20, thus improving the maintainability of the drive mechanism 20.

[0039] In this example of Embodiment 1, as Figure 5 As shown, one end of the driving component 22 is provided with a connector 221, and the connector 221 is provided with a first fixing hole. The first adjusting seat 23 includes two spaced first support plates 231, and the first support plates 231 are provided with a second fixing hole. When the driving component 22 is connected to the first adjusting seat 23, the connector 221 is locked between the two first support plates 231. The first fixing hole and the second fixing hole cooperate to achieve installation and fixation through the first fixing member 232.

[0040] For example, such as Figure 5 As shown, the first fixing member 232 adopts a fixing shaft, which passes through the first fixing hole and the second fixing hole. A locking hole is opened on the side of the fixing shaft that passes through the second fixing hole. A first locking pin 233 is detachably connected in the locking hole. By inserting the first locking pin 233 into the locking hole, the first fixing member 232 can be fixed to the first fixing hole and the second fixing hole. When it is necessary to repair or replace the driving member 22, it is only necessary to remove the first locking pin 233 and then pull out the first fixing member 232 to remove the driving member 22 from the first adjusting seat 23. The disassembly and assembly are simple and convenient.

[0041] In this example of Embodiment 1, combined with Figure 4 and Figure 5 The drive mechanism 20 also includes a transmission seat 24, which is used to connect the drive member 22 and the functional seat 10. The transmission seat 24 includes a guide plate 241 and a second adjustment seat 242. The guide plate 241 is mounted on the second adjustment seat 242 and is connected to the output shaft 222 of the drive member 22 through the second adjustment seat 242. The guide plate 241 is used to connect to the functional seat 10. The output shaft 222 of the drive member 22 can drive the transmission seat 24 to move relative to the base 21, thereby driving the functional seat 10 to move.

[0042] For example, the guide plate 241 and the second adjustment seat 242 are detachably connected.

[0043] For example, the second adjustment seat 242 is detachably connected to the output shaft 222 of the drive member 22 so as to facilitate the removal of the drive member 22 from the base 21.

[0044] For example, combined Figure 2 and Figure 5 The guide plate 241 has a guide wheel 243 protruding at one end near the functional seat 10, such as Figure 3 As shown, a transmission plate 15 is installed at one end of the functional seat 10 near the drive mechanism 20. A guide groove 151 is provided on the transmission plate 15. The guide groove 151 is inclined and configured to gradually increase in height along the axial direction of the output shaft 222. The guide wheel 243 is accommodated in the guide groove 151 and slides with the guide groove 151. The drive member 22 can drive the guide plate 241 and the second adjustment seat 242 to move along the axial direction of the output shaft 222, so that the guide wheel 243 can apply a thrust to the transmission plate 15 through the guide groove 151. The transmission plate 15 can be raised and lowered relative to the guide plate 241 through the cooperation of the guide wheel 243 and the guide groove 151, thereby realizing the height adjustment of the functional seat 10. When the functional seat 10 is lowered relative to the battery, the electrical connector 11 and the water connector 12 can be connected to the battery. When the functional seat 10 is raised relative to the battery, the connection with the battery is disconnected.

[0045] For example, such as Figure 5 As shown, the output shaft 222 of the drive member 22 is provided with a third fixing hole, and the second adjustment seat 242 includes two spaced second support plates 244. The second support plates 244 are provided with a fourth fixing hole. When the output shaft 222 is connected to the second adjustment seat 242, the third fixing hole and the fourth fixing hole cooperate and are connected by the second fixing member 245.

[0046] For example, such as Figure 5 As shown, the second fixing member 245 adopts a fixing shaft, which passes through the third fixing hole and the fourth fixing hole. A locking hole is opened on the side of the fixing shaft that passes through the fourth fixing hole. A second locking pin 246 is detachably connected in the locking hole. By inserting the second locking pin 246 into the locking hole, the second fixing member 245 can be fixed to the third fixing hole and the fourth fixing hole, so as to facilitate the disassembly, assembly and maintenance of the drive member 22.

[0047] In this example of Embodiment 1, combined with Figure 2 and Figure 4The drive mechanism 20 also includes a first guide portion 25, which is connected to the guide plate 241 to guide the movement of the guide plate 241. The first guide portion 25 includes a first support base 251, a first guide rail 252, and a first slide block 253. The first support base 251 is mounted on the base 21, and the first guide rail 252 is mounted on the first support base 251 and extends axially along the output shaft 222 of the drive member 22. The first slide block 253 is connected to the guide plate 241 and slides against the first guide rail 252. When the drive member 22 drives the transmission seat 24 to move, the guide plate 241 slides against the first guide rail 252 via the first slide block 253. This configuration ensures the stable movement of the transmission seat 24.

[0048] For example, combined Figure 2 and Figure 4 The first support 251 has a first through groove 254, the position of which corresponds to the position of the second adjustment seat 242, so that the second adjustment seat 242 and the output shaft 222 can be disassembled and assembled through the first through groove 254. The first through groove 254 can also reduce weight.

[0049] For example, the first guide part 25 is configured as two sets and installed on both sides of the base 21. The guide plate 241 is guided by the two first slides 253, which can ensure the stability and reliability of the movement of the guide plate 241 and reduce shaking.

[0050] For example, both the first guide rail 252 and the first slide block 253 are made of aluminum alloy.

[0051] For example, the first slide block 253 is embedded with a sliding diaphragm. The sliding diaphragm enables the sliding of the first slide block 253 and the first guide rail 252. Compared with the use of ball linear guide rail, it can prevent foreign objects from falling and causing the balls to jam or rust, ensure smooth movement, and eliminate the need for regular oiling and lubrication, thus reducing maintenance costs.

[0052] In this example of Embodiment 1, combined with Figure 4 and Figure 5 The drive mechanism 20 also includes a second guide portion 26, which is connected to the transmission plate 15 to guide the movement of the transmission plate 15. The second guide portion 26 includes a second support base 261, a second guide rail 262, and a second slide block 263. The second support base 261 is mounted on the base 21, and the second guide rail 262 is mounted on the second support base 261 and extends along the height direction of the battery. Figure 2The second slide 263 is connected to the transmission plate 15 and is slidably fitted with the second guide rail 262. When the driving member 22 drives the transmission seat 24 to move, the guide wheel 243 can apply a thrust to the transmission plate 15 through the guide groove 151, so that the transmission plate 15 moves up and down along the second guide rail 262 through the second slide 263, thereby driving the functional seat 10 to move up and down along the height direction of the battery.

[0053] For example, such as Figure 5 As shown, a second through slot 264 is provided on the second support base 261. The position of the second through slot 264 corresponds to the position of the first adjustment base 23, so that the first adjustment base 23 can be disassembled and assembled with the base 21, or the first adjustment base 23 can be disassembled and assembled with the drive component 22 through the second through slot 264. The second through slot 264 can also reduce weight.

[0054] For example, the second guide section 26 is configured in two sets and installed on both sides of the base 21. The two second slides 263 guide the movement of the transmission plate 15, which can ensure the stability and reliability of the movement of the transmission plate 15 and reduce shaking.

[0055] For example, both the second guide rail 262 and the second slide 263 are made of aluminum alloy.

[0056] For example, a sliding diaphragm is embedded in the second slide block 263, which enables the sliding of the second slide block 263 and the second guide rail 262.

[0057] In this first embodiment, the drive unit 22 is equipped with a Hall sensor. Through the Hall counting principle, the extension position and extension amount of the output shaft 222 can be detected in real time, thereby enabling precise control of the function seat 10.

[0058] In the prior art, photoelectric sensors are usually installed in the storage compartment of the battery rack. The photoelectric sensor is used to provide feedback on the movement position of the drive unit 22. If a foreign object falls on the photoelectric sensor, it can easily cause the photoelectric sensor to be abnormally triggered, which will affect the movement accuracy of the functional seat 10 and prevent the electrical connector 11 and water connector 12 from being accurately connected to the battery, thus affecting the normal charging of the battery. By embedding the Hall sensor in the drive unit 22, the reliability of the Hall sensor sensing can be effectively avoided by foreign objects, which is conducive to ensuring the movement accuracy of the functional seat 10.

[0059] For example, the drive element 22 is an electric actuator.

[0060] This utility model also proposes a battery rack, which includes several storage compartments distributed vertically. Each storage compartment is equipped with the aforementioned battery water and electricity connector assembly to charge and cool the battery in each storage compartment.

[0061] Since the battery rack adopts all the technical solutions of all the above-described embodiments of the battery water and electricity connector assembly, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be repeated here.

[0062] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A battery water-electricity connector assembly, installed in each storage compartment of a battery rack, characterized in that, The device includes a functional base (10), a drive mechanism (20), and a protective mechanism (30). The functional base (10) is equipped with an electrical connector (11) and a water connector (12). The protective mechanism (30) is installed on the upper end of the functional base (10). The drive mechanism (20) is connected to the functional base (10) and can drive the functional base (10) to move up and down so that the electrical connector (11) and the water connector (12) can be connected to the electrical interface and water interface on the battery, respectively.

2. The battery water-electric connector assembly according to claim 1, characterized in that, The drive mechanism (20) includes a base (21), a drive member (22), and a first adjustment seat (23). The drive member (22) is mounted on the base (21) via the first adjustment seat (23). The drive member (22) is connected to the functional seat (10) and is used to drive the functional seat (10) to move. The first adjustment seat (23) is detachably connected to the base (21), and / or the drive member (22) is detachably connected to the first adjustment seat (23).

3. The battery water-electric connector assembly according to claim 2, characterized in that, A maintenance slot (211) is provided on the base (21). The maintenance slot (211) extends through the base (21) along the thickness direction. The first adjustment seat (23) is located on one side of the maintenance slot (211). The orthographic projection of the drive member (22) in the thickness direction of the base (21) is completely contained within the maintenance slot (211).

4. The battery water-electric connector assembly according to claim 2, characterized in that, The drive mechanism (20) further includes a transmission seat (24), which includes a guide plate (241) and a second adjustment seat (242). The guide plate (241) is mounted on the second adjustment seat (242), and the second adjustment seat (242) is detachably connected to the output shaft (222) of the drive member (22). The guide plate (241) is connected to the functional seat (10).

5. The battery water-electric connector assembly according to claim 4, characterized in that, The guide plate (241) has a guide wheel (243) protruding at one end near the functional seat (10). The functional seat (10) has a transmission plate (15) installed at one end near the drive mechanism (20). The transmission plate (15) has a guide groove (151) and the guide wheel (243) is accommodated in the guide groove (151) and slides with the guide groove (151). The drive member (22) can drive the guide plate (241) and the guide wheel (243) to move along the axial direction of the output shaft (222), so that the transmission plate (15) can rise and fall relative to the guide plate (241) through the sliding engagement of the guide groove (151) and the guide wheel (243).

6. The battery water-electric connector assembly according to claim 4, characterized in that, The drive unit (22) is equipped with a Hall sensor, which is used to detect the extension and retraction of the output shaft (222).

7. The battery water-electric connector assembly according to claim 5, characterized in that, The drive mechanism (20) further includes a first guide portion (25), which is connected to the guide plate (241) to guide the movement of the guide plate (241), and / or the drive mechanism (20) further includes a second guide portion (26), which is connected to the transmission plate (15) to guide the movement of the transmission plate (15).

8. The battery water-electric connector assembly according to claim 1, characterized in that, The functional seat (10) includes a mounting base plate (13) and mounting side plates (14). The two mounting side plates (14) are mounted on the upper end of the mounting base plate (13) and located on both sides of the mounting base plate (13). The electrical connector (11) and the water connector (12) are mounted on the mounting base plate (13). The protective mechanism (30) is mounted on the upper end of the mounting side plates (14).

9. The battery water-electric connector assembly according to claim 8, characterized in that, The protective mechanism (30) includes a baffle (31) which is detachably mounted on the upper end of the mounting side plate (14).

10. A battery holder, characterized in that, It includes storage compartments distributed vertically, and each of the storage compartments is equipped with a battery water and electricity connector assembly as described in any one of claims 1 to 9.

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