Liquid cooling connection device with floating function, electric ship and ship battery swap station

Abstract

The application discloses a liquid cooling connecting device with a floating function, an electric ship and a ship battery swap station. The liquid cooling connecting device comprises a fixed base, a floating mechanism and a positioning mechanism. The floating mechanism is movably arranged on the fixed base. A pipeline connector is fixedly arranged on the floating mechanism and is used for being connected with a liquid cooling connector on a battery box. The pipeline connector is connected with a liquid supply device. The positioning mechanism is arranged between the floating mechanism and the fixed base along the floating direction of the floating mechanism. The positioning mechanism is used for moving the pipeline connector in the plane thereof to position the pipeline connector with the liquid cooling connector on the battery box when the liquid cooling connection is performed. During the connection of the pipeline connector, the positioning mechanism can move the pipeline connector in the plane, so that the pipeline connector is positioned with the liquid cooling connector, the pipeline connector is connected with the liquid cooling connector, the pipeline connector is prevented from being laterally deviated, the pipeline connector is prevented from leaking, and the accuracy and reliability of the pipeline connector are improved.

Description

[0001] This application is a divisional application of the Chinese invention patent with the application number CN202111667876.8 and the name "Liquid cooling connection device with floating function, electric ship and ship battery swap station", the application date of which is December 31, 2021. TECHNICAL FIELD

[0002] The present application relates to the field of electric ships, in particular to a liquid cooling connection device with floating function, an electric ship and a ship battery swap station. BACKGROUND

[0003] The electric ship is a kind of electric vehicle, and the electric ship can be propelled by power generated by a battery box or a marine generator.

[0004] For the electric ship using the battery box, the setting mode of the battery box of the electric ship is generally divided into fixed type and replaceable type. The fixed battery is generally fixed on the ship, and the ship is directly charged as the charging object during charging. The replaceable battery box is generally fixed on the ship by movable installation. The battery box can be removed for separate replacement or charging operation. After the replaced battery box is charged, it is reinstalled on the ship.

[0005] The replaceable battery box is usually provided with a cooling pipe, which is connected to the cooling system on the electric ship or the ship battery swap station, and the circulation of the cooling liquid is used to achieve the heat balance of the battery box.

[0006] At present, the cooling pipe on the replaceable battery box is connected to the electric ship or the ship battery swap station in a rigid manner. Due to frequent replacement, ship body vibration and other influences, floating often occurs, causing unstable connection of the cooling pipe, which may cause the cooling pipe to break and cause leakage of the cooling liquid. SUMMARY

[0007] The technical problem to be solved by the present application is to overcome the above-mentioned defects that the cooling pipe of the replaceable battery box in the electric ship of the prior art is prone to leakage, and to provide a liquid cooling connection device with floating function, an electric ship and a ship battery swap station.

[0008] The present application solves the above technical problems by the following technical solutions:

[0009] The utility model provides a kind of liquid cooling connection device with floating function, for realizing the communication of liquid supply device with cooling liquid with the liquid cooling pipeline in battery box, to make the cooling liquid flow into the liquid cooling pipeline in the battery box, the liquid cooling connection device includes: fixed base, floating mechanism and alignment mechanism, the floating mechanism is movably arranged in the fixed base, floating mechanism is fixedly provided with pipeline connector for being connected with the liquid cooling connector on the battery box, the pipeline connector is connected with the liquid supply device;The alignment mechanism is arranged between the floating mechanism and the fixed base along the floating direction of the floating mechanism, for moving the pipeline connector in its plane to make it with the liquid cooling connector on the battery box when carrying out liquid cooling connection.

[0010] In the scheme, by setting the floating mechanism to move relative to the fixed base, the pipeline structure is relatively fixedly arranged with the floating mechanism, so that the pipeline connector can move with the floating mechanism relative to the fixed base, which is convenient for docking with the liquid cooling pipeline, and avoids the rigid connection of the pipeline connector. During the connection of the pipeline connector, the alignment mechanism can move the pipeline connector in the plane, so as to facilitate the alignment of the pipeline connector with the liquid cooling connector, and then facilitate the connection of the pipeline connector with the liquid cooling connector, avoid the lateral deviation of the pipeline connector, improve the stability of the pipeline connector, avoid the leakage of the pipeline connector, and thus improve the accuracy and reliability of the pipeline connector.

[0011] Preferably, the floating mechanism includes a mounting plate for mounting the pipeline connector and arranged in parallel with the fixed base, a plurality of shaft rods penetrating the mounting plate and the fixed base to fix them relative to each other, and a plurality of floating elastic members sleeved on the shaft rods and clamped between the mounting plate and the fixed base. The mounting plate is provided with through holes of a predetermined size at positions corresponding to the shaft rods. The shaft rods are provided with limiting bosses at positions inside the mounting plate. The floating elastic members are clamped between the fixed base and the adjacent limiting bosses.

[0012] In the scheme, one end of the shaft rod is arranged on the fixed base, the other end of the shaft rod is inserted into the through hole of the mounting plate, and the floating elastic member is clamped between the limiting boss of the shaft rod and the fixed base, so that the floating elastic member can exert a elastic force on the mounting plate through the limiting boss, and then the floating elastic member can make the mounting plate have a tendency to move away from the fixed base, realizing the floating of the mounting plate relative to the fixed base.

[0013] Preferably, the diameter of the through hole is greater than the outer diameter of the shaft rod, the shaft rod is provided with a limiting ring at a position outside the mounting plate, the alignment mechanism includes an abutting ring arranged in the through hole close to one end of the limiting ring and surrounding the shaft rod, and a pagoda spring clamped between the abutting ring and the limiting boss.

[0014] In the scheme, the two ends of the hourglass-shaped spring abut against the abutting ring of the shaft and the limiting boss of the mounting plate, so that the mounting plate can be driven to realize alignment relative to the shaft, realize position adjustment of the pipeline joint on the mounting plate, avoid offset of the mounting plate relative to the shaft, and then the position of the pipeline joint can be stabilized, lateral offset of the pipeline joint can be avoided, stability of the pipeline joint can be improved, leakage of the pipeline joint can be avoided, and reliability of the pipeline joint can be improved.

[0015] Preferably, the hourglass-shaped spring has a top end face with the smallest diameter and a bottom end face with the largest diameter, the bottom end face abuts against the abutting ring, and the top end face abuts against the limiting boss.

[0016] In the scheme, the small end of the hourglass-shaped spring is fixedly arranged relative to the fixed base, and the large end of the hourglass-shaped spring is fixedly arranged relative to the floating mechanism, so that when the floating mechanism is offset, the large end of the hourglass-shaped spring moves with the floating mechanism, the hourglass-shaped spring deforms perpendicular to the axis, and then the hourglass-shaped spring can generate a restoring force to drive the floating mechanism to reset and avoid deflection of the floating mechanism.

[0017] Preferably, the distance between the limiting block ring and the limiting boss is greater than the thickness of the mounting plate, so that in the initial state, the mounting plate abuts against the limiting block ring to keep the pipeline joint in a horizontal state.

[0018] In the scheme, the distance between the limiting block ring and the limiting boss is greater than the thickness of the mounting plate, so that the mounting plate can move freely between the limiting block ring and the limiting boss. In the initial state, the mounting plate abuts against the limiting block ring, so that the pipeline joint can be kept in a horizontal state and avoid being skewed.

[0019] Preferably, the limiting boss is integrally formed on the shaft, and / or the abutting ring is integrally formed in the through hole of the mounting plate.

[0020] In the scheme, the limiting boss is integrally formed on the shaft, which is simple and reliable in structure. The abutting ring is integrally formed in the through hole of the mounting plate, which is convenient for processing and manufacturing.

[0021] Preferably, the number of the pipeline joints is three, which are the water inlet, the water outlet and the fire-fighting port, and the plurality of shafts of the floating mechanism are uniformly arranged on the circumferential side of the pipeline joint.

[0022] In the scheme, the water inlet and the water outlet can realize circulating flow of the cooling liquid. The fire-fighting port can deal with sudden fire events. The plurality of shafts are uniformly arranged on the circumferential side of the pipeline joint, which is convenient for better alignment of the pipeline joint.

[0023] The floating mechanism preferably has six shafts, which are arranged at the middle positions of the upper and lower sides of the mounting plate along the length direction and at the four end corner positions.

[0024] In this solution, the positions of the shafts are more reasonable.

[0025] An electric ship comprises the liquid cooling connection device as described above.

[0026] When the liquid supply device of the electric ship is connected to the liquid cooling pipeline in the battery box through the liquid cooling connector of the liquid cooling connection device, the liquid cooling connector is moved in the plane thereof to accurately connect the liquid cooling connector to the liquid cooling pipeline, and then the liquid cooling pipeline is connected, so that the pipeline connector is prevented from being laterally deviated, the stability of the pipeline connector is improved, the pipeline connector is prevented from leaking, and thus the reliability of the pipeline connector is improved.

[0027] An electric ship comprises the liquid cooling connection device as described above.

[0028] When the liquid supply device of the electric ship is connected to the liquid cooling pipeline in the battery box through the liquid cooling connector of the liquid cooling connection device, the liquid cooling connector is moved in the plane thereof to accurately connect the liquid cooling connector to the liquid cooling pipeline, and then the liquid cooling pipeline is connected, so that the pipeline connector is prevented from being laterally deviated, the stability of the pipeline connector is improved, the pipeline connector is prevented from leaking, and thus the reliability of the pipeline connector is improved.

[0029] On the basis of common knowledge in the art, the preferred conditions described above can be combined in any manner to obtain various preferred examples of the present application.

[0030] The positive progress effect of the present application is that:

[0031] The present application moves the floating mechanism relative to the fixed base, and the pipeline structure is arranged relative to the floating mechanism, so that the pipeline connector can move relative to the fixed base along with the floating mechanism, which facilitates the connection of the pipeline connector to the liquid cooling pipeline and avoids the rigid connection of the pipeline connector. During the connection of the pipeline connector, the alignment mechanism can move the pipeline connector in the plane, so as to facilitate the alignment of the pipeline connector with the liquid cooling connector, and then facilitate the connection of the pipeline connector with the liquid cooling connector, avoid the lateral deviation of the pipeline connector, improve the stability of the pipeline connector, avoid the leakage of the pipeline connector, and thus improve the accuracy and reliability of the pipeline connector. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 FIG. 1 is a structural schematic view of a preferred embodiment of a liquid cooling connection device of the present application.

[0033] Figure 2 FIG. 2 is a structural schematic view of a preferred embodiment of a liquid cooling connection device of the present application. Figure 1Structure schematic diagram of the liquid cooling connecting device in section.

[0034] Figure 3 For Figure 2 Structure schematic diagram of the liquid cooling connecting device in partial amplification.

[0035] Figure 4 For Figure 1 Structure schematic diagram of the mounting plate in the liquid cooling connecting device.

[0036] Figure 5 For Figure 4 Structure schematic diagram of the mounting plate in section.

[0037] Explanation of reference signs:

[0038] Liquid cooling connecting device 100

[0039] Fixed base 11

[0040] Pipe joint 12

[0041] Floating mechanism 20

[0042] Mounting plate 21

[0043] Shaft 22

[0044] Floating elastic member 23

[0045] Through hole 24

[0046] Limiting boss 25

[0047] Limiting ring 26

[0048] Alignment mechanism 30

[0049] Abutting ring 31

[0050] Turret spring 32 DETAILED DESCRIPTION

[0051] The present application will be more fully understood from the following embodiments in conjunction with the accompanying drawings, but the present application is not limited in the scope of the embodiments.

[0052] As Figures 1-5As shown, the embodiment is a liquid cooling connection device 100 with floating function, which is used to realize the communication between the liquid supply device with cooling liquid and the liquid cooling pipeline in the battery box, so that the cooling liquid flows into the liquid cooling pipeline in the battery box. The liquid cooling connection device 100 comprises a fixed base 11, a floating mechanism 20 and a positioning mechanism 30. The floating mechanism 20 is movably arranged on the fixed base 11. The floating mechanism 20 is fixedly provided with a pipeline connector 12 arranged for connecting with the liquid cooling connector on the battery box. The pipeline connector 12 is arranged in communication with the liquid supply device. The positioning mechanism 30 is arranged between the floating mechanism 20 and the fixed base 11 along the floating direction of the floating mechanism 20, which is used to move the pipeline connector 12 in the plane in which it is located to make it relatively positioned with the liquid cooling connector on the battery box when the liquid cooling connection is performed. By arranging the floating mechanism 20 to move relative to the fixed base 11, the pipeline structure is arranged relative to the floating mechanism 20, so that the pipeline connector 12 can move relative to the fixed base 11 with the floating mechanism 20, which facilitates the butt joint with the liquid cooling pipeline and avoids the rigid connection of the pipeline connector 12. During the connection of the pipeline connector 12, the positioning mechanism 30 can move the pipeline connector 12 in the plane, so as to facilitate the positioning of the pipeline connector 12 with the liquid cooling connector, and then facilitate the connection of the pipeline connector 12 with the liquid cooling connector, avoid the lateral deviation of the pipeline connector 12, improve the stability of the pipeline connector 12, avoid the leakage of the pipeline connector 12, and thus improve the accuracy and reliability of the pipeline connector 12.

[0053] The floating mechanism 20 comprises a mounting plate 21 arranged in parallel with the fixed base 11 for mounting the pipeline connector 12, a plurality of shafts 22 arranged through the mounting plate 21 and the fixed base 11 to fix the two relative to each other, and a plurality of floating elastic members 23 sleeved on the shafts 22 and clamped between the mounting plate 21 and the fixed base 11. The mounting plate 21 is provided with through holes 24 of a predetermined size at positions corresponding to the shafts 22. The shafts 22 are provided with limiting bosses 25 at positions inside the mounting plate 21. The floating elastic members 23 are clamped between the fixed base 11 and the adjacent limiting bosses 25. One end of the shaft 22 is arranged on the fixed base 11, and the other end of the shaft 22 is inserted into the through hole 24 of the mounting plate 21. The floating elastic member 23 is clamped between the limiting boss 25 of the shaft 22 and the fixed base 11, so that the floating elastic member 23 can exert a elastic force on the mounting plate 21 through the limiting boss 25, and then the floating elastic member 23 can make the mounting plate 21 have a tendency to move away from the fixed base 11, so as to realize the floating of the mounting plate 21 relative to the fixed base 11.

[0054] In the embodiment, the floating elastic member 23 can be a spring in a compressed state. The shaft 22 can be provided with threads at both ends, one end of the shaft 22 passes through the fixed base 11, the other end of the shaft 22 passes through the through hole 24, and the threads at both ends of the shaft 22 are screwed. The shaft 22 defines the maximum distance between the mounting plate 21 and the fixed base 11 through the nuts at both ends. After the external force is transmitted to the mounting plate 21 through the pipe joint 12, the mounting plate 21 can compress the spring, so as to realize the floating of the mounting plate 21.

[0055] The diameter of the through hole 24 is greater than the outer diameter of the shaft 22, and the shaft 22 is provided with a limiting ring 26 at a position outside the mounting plate 21. The positioning mechanism 30 includes an abutting ring 31 provided in the through hole 24 near one end of the limiting ring 26 and surrounding the shaft 22, and a tower spring 32 clamped between the abutting ring 31 and the limiting boss 25. The two ends of the tower spring 32 abut against the abutting ring 31 of the shaft 22 and the limiting boss 25 of the mounting plate 21 respectively, so as to drive the mounting plate 21 to be positioned relative to the shaft 22, adjust the position of the pipe joint 12 on the mounting plate 21, avoid the mounting plate 21 from deviating from the shaft 22, and thus stabilize the position of the pipe joint 12, avoid the lateral deviation of the pipe joint 12, improve the stability of the pipe joint 12, avoid the leakage of the pipe joint 12, and improve the reliability of the pipe joint 12.

[0056] The tower spring 32 is in the shape of a tower, which has a top end face with the smallest diameter and a bottom end face with the largest diameter. The bottom end face abuts against the abutting ring 31, and the top end face abuts against the limiting boss 25. The small end of the tower spring is fixed relative to the fixed base 11, and the large end of the tower spring is fixed relative to the floating mechanism 20. When the floating mechanism 20 deviates, the large end of the tower spring moves with the floating mechanism 20, so that the tower spring deforms perpendicular to its axis, and thus the tower spring can generate a restoring force to drive the floating mechanism 20 to return to its original position and avoid deviation.

[0057] As an embodiment, the tower spring 32 can generally refer to a spring with a large end and a small end. The diameter of the spring gradually decreases from the large end to the small end.

[0058] The distance between the limiting ring 26 and the limiting boss 25 is greater than the thickness of the mounting plate 21, so that the mounting plate 21 abuts against the limiting ring 26 in the initial state to keep the pipe joint 12 in a horizontal state. The distance between the limiting ring 26 and the limiting boss 25 is greater than the thickness of the mounting plate 21, so that the mounting plate 21 can move freely between the limiting ring 26 and the limiting boss 25. In the initial state, the mounting plate 21 abuts against the limiting ring 26, so that the pipe joint 12 can be kept in a horizontal state and avoid being tilted.

[0059] As shown in Figure 3 The limiting boss 25 is integrally formed on the shaft 22. The limiting boss 25 is integrally formed on the shaft 22, which is simple and reliable in structure.

[0060] As shown in Figure 5 The abutting ring 31 is integrally formed in the through hole 24 of the mounting plate 21. The abutting ring 31 is integrally formed in the through hole 24 of the mounting plate 21, which is convenient for processing and manufacturing.

[0061] The number of the pipeline joints 12 is three, which are the water inlet, the water outlet and the fire-fighting port. The plurality of shafts 22 of the floating mechanism 20 are uniformly arranged on the circumferential side of the pipeline joint 12. The water inlet and the water outlet can realize the circulating flow of the cooling liquid. The fire-fighting port can deal with the sudden fire event. The plurality of shafts 22 are uniformly arranged on the circumferential side of the pipeline joint 12, which is convenient for the pipeline joint 12 to better align.

[0062] In Figure 1 The three pipeline joints 12 are arranged in a linear type. In other embodiments, the number of the pipeline joints 12 can also be other values, and the plurality of pipeline joints 12 can also be arranged in other forms.

[0063] The number of the shafts 22 in the floating mechanism 20 is six, which are arranged at the middle positions of the upper and lower sides along the length direction of the mounting plate 21 and the four corner positions. The alignment mechanism 30 is arranged at least on the shafts 22 at the four corner positions and in the through hole 24. The position of the shaft 22 is more reasonable. In other embodiments, the number of the shafts 22 can also be other values, and the plurality of shafts 22 can also be arranged in other forms.

[0064] The embodiment also discloses an electric ship, which comprises the liquid cooling connecting device 100 with the floating function. When the liquid supply device of the electric ship is connected with the liquid cooling pipeline in the battery box through the liquid cooling joint of the liquid cooling connecting device 100, the liquid cooling joint 12 is moved in the plane thereof to accurately butt joint the liquid cooling joint 12 and the liquid cooling pipeline, and then the liquid cooling pipeline is connected, so that the lateral deviation of the pipeline joint 12 is avoided, the stability of the pipeline joint 12 is improved, the leakage of the pipeline joint 12 is avoided, and the reliability of the pipeline joint 12 is improved.

[0065] The embodiment also discloses a ship battery swap station, which comprises the liquid cooling connecting device 100 with the floating function. When the liquid supply device of the ship battery swap station is connected with the liquid cooling pipeline in the battery box through the liquid cooling joint of the liquid cooling connecting device 100, the liquid cooling joint 12 is moved in the plane thereof to accurately butt joint the liquid cooling joint 12 and the liquid cooling pipeline, and then the liquid cooling pipeline is connected, so that the lateral deviation of the pipeline joint 12 is avoided, the stability of the pipeline joint 12 is improved, the leakage of the pipeline joint 12 is avoided, and the reliability of the pipeline joint 12 is improved.

[0066] As an embodiment, the working process of the liquid cooling connecting device 100 with floating function can be described as follows. After the battery box is in place, the liquid cooling connecting device 100 moves towards the battery box, the pipe joint 12 approaches the liquid cooling pipe of the battery box, and after the pipe joint 12 is engaged with the liquid cooling pipe, the pipe joint 12 of the liquid supply device is connected with the connecting valve on the battery box and opens the flow channel of the connecting valve, so that the cooling liquid can circulate between the battery box and the liquid supply device.

[0067] During the communication between the pipe joint 12 and the liquid cooling pipe, if the pipe joint 12 and the liquid cooling pipe are not in the right position, since the pipe joint 12 is installed to the fixed base 11 through the floating mechanism 20, under the pushing force generated by the initial contact between the two, the position of the pipe joint 12 can be floated relative to the fixed base 11. The alignment mechanism 30 drives the axis of the pipe joint 12 to be parallel to the axis of the shaft 22, that is, the axis of the pipe joint 12 can be perpendicular to the side of the mounting plate 21, so that the pipe joint 12 and the liquid cooling joint can be aligned, thereby facilitating the connection between the pipe joint 12 and the liquid cooling joint, avoiding the lateral deviation of the pipe joint 12, improving the stability of the pipe joint 12, avoiding the leakage of the pipe joint 12, and improving the reliability of the pipe joint 12.

[0068] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and such changes and modifications fall within the protection scope of the present application.

Claims

1. A liquid-cooled connection device having a floating function for realizing communication of a liquid supply device having a cooling liquid with a liquid-cooled pipe line in a battery case to cause the cooling liquid to flow into the liquid-cooled pipe line in the battery case, characterized by, The liquid cooling connecting device comprises: a fixed base, a floating mechanism movably arranged on the fixed base, a pipe joint for connecting with a liquid cooling joint on the battery box is fixedly arranged on the floating mechanism, and the pipe joint is in communication with the liquid supply device; the floating mechanism comprises a mounting plate for mounting the pipe joint and arranged in parallel with the fixed base, a plurality of shafts penetrating the mounting plate and the fixed base to fix the two relative to each other, and a plurality of floating elastic members sleeved on the shafts and clamped between the mounting plate and the fixed base, one end of the shaft is arranged on the fixed base, and the other end of the shaft is inserted into the through hole of the mounting plate; the liquid cooling connecting device further comprises a positioning mechanism, the diameter of the through hole is greater than the outer diameter of the shaft, a limiting stop ring is arranged on the shaft at a position outside the mounting plate, the positioning mechanism comprises an abutting ring arranged in the through hole close to one end of the limiting stop ring and surrounding the shaft, and a pagoda spring clamped between the abutting ring and the limiting boss of the shaft.

2. The liquid-cooled connection apparatus of claim 1, wherein, the mounting plate is provided with the through hole of a predetermined size at a position corresponding to the shaft, the limiting boss is arranged on the shaft at a position inside the mounting plate, and the floating elastic member is clamped between the fixed base and the adjacent limiting boss.

3. The liquid-cooled connection apparatus of claim 2, wherein, the positioning mechanism is arranged between the floating mechanism and the fixed base in the floating direction of the floating mechanism, and is used to move the pipe joint in the plane in which it is located to position it relative to the liquid cooling joint on the battery box when liquid cooling connection is performed.

4. The liquid-cooled connection apparatus of claim 1, wherein, the pagoda spring is pagoda-shaped, has a top end face with the smallest diameter and a bottom end face with the largest diameter, the bottom end face abuts against the abutting ring, and the top end face abuts against the limiting boss.

5. The liquid-cooled connection apparatus of claim 4, wherein, the distance between the limiting stop ring and the limiting boss is greater than the thickness of the mounting plate, so that the mounting plate abuts against the limiting stop ring in the initial state to keep the pipe joint in a horizontal state.

6. The liquid-cooled connection apparatus of claim 4, wherein, the limiting boss is integrally formed on the shaft, and / or the abutting ring is integrally formed in the through hole of the mounting plate.

7. The liquid-cooled connection apparatus of claim 5, wherein, the number of the pipe joints is three, which are water inlet, water outlet and fire-fighting outlet, and the plurality of shafts of the floating mechanism are uniformly arranged on the circumferential side of the pipe joints.

8. The liquid-cooled connection apparatus of claim 7, wherein, the number of the shafts is six, which are arranged at the middle positions and four corner positions of the upper and lower sides of the mounting plate along the length direction, and the positioning mechanism is arranged at least on the shafts at the four corner positions and in the through hole.

9. An electrically powered watercraft, characterized by It comprises the liquid cooling connecting device according to any one of claims 1-8.

10. A vessel battery swap station, characterized by It comprises the liquid cooling connecting device according to any one of claims 1-8.

Images