Electric vehicle battery replacement system

Abstract

The present invention relates to an electric vehicle battery replacement system, including a battery compartment bidirectional door mechanism, a battery replacement trolley lifting system, a battery replacement trolley and a battery storage and charging device; wherein the battery compartment bidirectional door mechanism includes an upper compartment door and a lower compartment door and a corresponding driving device for driving the upper compartment door and the lower compartment door to open and close; the battery replacement trolley lifting system is placed in the space between the battery compartment bidirectional door mechanism and the battery storage and charging device, driving the battery replacement trolley to move up and down between the layers of the battery storage and charging device, and between the battery compartment bidirectional door mechanism and the battery storage and charging device; the battery replacement trolley is installed on the battery replacement trolley lifting system through the battery replacement trolley general frame; the battery storage and charging device is provided with one or more battery compartments, each battery compartment including a battery rack, a side stopper, a Furley wheel guide rail, a positioning device, a flexible charging plug assembly and an automatic back-stop device. The present invention solves the automation problem of front-end battery replacement for electric vehicles.

Description

Technical Field

[0001] The present application belongs to the technical field of electric vehicle battery replacement, and in particular, relates to an electric vehicle battery replacement system. Background Art

[0002] In recent years, with the rapid development of the new energy vehicle industry, the emerging energy replenishment method - battery replacement has become a faster energy replenishment method, and as a result, battery replacement solutions and structural forms suitable for various types of batteries have been extended.

[0003] Currently, in the field of front-end battery replacement, the battery storage device is a battery replacement vehicle that inputs the battery from the side of the battery storage device, and then the power roller in the battery storage device pushes it to the designated position. Recently, electric vehicles with front-end battery replacement have appeared on the market, and there is an urgent need for an automated system that can realize front-end battery replacement. Summary of the invention

[0004] In view of the shortcomings existing in the related technologies, the present invention provides an electric vehicle battery replacement system, which solves the automation problems of power extraction, charging and battery access in the front-end battery replacement of electric vehicles.

[0005] In one possible embodiment, an electric vehicle battery replacement system is provided, including: a battery compartment two-way door mechanism, disposed at the entrance and exit of the battery compartment of the battery replacement system, including an upper compartment door and a lower compartment door and corresponding drive devices for driving the upper compartment door and the lower compartment door to open and close; a battery replacement trolley lifting system, disposed in the space between the battery compartment two-way door mechanism and the battery storage and charging device, driving the battery replacement trolley to move up and down between the layers of the battery storage and charging device, and between the battery compartment two-way door mechanism and the battery storage and charging device, including a motor installed on the overall frame of the battery replacement station, a pulley driven by the motor and a flat belt connected to the pulley, and a battery replacement trolley frame connected to the flat belt ; The battery swap trolley is installed on the battery swap trolley lifting system through the battery swap trolley frame; the battery storage and charging device is provided with one or more battery compartments, each battery compartment includes a battery rack, side baffles, Furley wheel guides, a positioning device, a flexible charging plug assembly and an automatic anti-retraction device; the battery rack is arranged on the main frame of the battery swap station, and the battery rack is provided with side baffles corresponding to each other, and Furley wheel guides are arranged between the two side baffles. The Furley wheel is installed on the Furley wheel guides, and the battery is placed on the Furley wheel; the flexible charging plug assembly is placed at the end of the battery compartment where the battery enters and corresponds to the charging port of the battery, and the automatic anti-retraction device is placed on the battery rack at the other end opposite to the flexible charging plug assembly.

[0006] In a possible embodiment, the two-way door mechanism of the battery compartment includes: a main frame, installed at the entrance and exit of the battery compartment; an electric push rod I, one end of which is hinged on the main frame, and the other end is connected to the upper door through the upper door push rod on the upper door; a hinge I is installed on the outside of the upper door, one end of which is installed on the main frame, and the other end is installed on the upper door, and the upper door can rotate along the pin shaft of the hinge I; the upper door is installed on the main frame through the hinge I, and the upper door can rotate along the pin shaft of the hinge I; an electric push rod II, one end of which is connected to the main frame through the pin shaft, and the other end is connected to the lower door; the lower door is connected to the main frame through the hinge II; a fan-shaped rain cloth is arranged in the gaps on both sides of the upper door and the main frame, one end of which is connected to the upper door, and the other end is connected to the main frame; a brush is connected to the side of the upper door away from the installation pin shaft.

[0007] In one possible implementation, the battery swap cart lifting system includes: a motor, which is installed on the overall frame of the battery swap station; sprocket I is coaxially connected to the output shaft of the motor, sprocket II and sprocket III are installed on drive shaft I, drive shaft I is installed on the overall frame of the battery swap station through bearing seat UCP, sprocket IV is installed on drive shaft II, and drive shaft II is installed on the overall frame of the battery swap station through seat bearing UCPH; sprocket I is connected to sprocket II by a chain; sprocket III is connected to sprocket IV by a chain; pulleys are installed at both ends of drive shaft II, and the pulleys are installed on the overall frame of the battery swap station, and two layers of flat belts are respectively wound on the two pulleys, one of which is connected to the lifting and adjusting seat through a flat belt guide wheel installed on one side of the overall frame, and the other is connected to the lifting and adjusting seat through a flat belt guide wheel installed on the other side of the overall frame of the battery swap station; the lifting and adjusting seat is fixed to the battery swap cart frame by bolts.

[0008] In a possible embodiment, a battery rack of a battery storage and charging device includes transverse and longitudinal frames, and side guard smooth strips corresponding to each other are arranged between the two transverse frames; the battery moves in and out between the two side guard smooth strips along the Furley wheel; and a positioning device is installed on the battery rack and arranged corresponding to the flexible charging plug assembly, and is used to guide the battery to connect to the flexible charging plug assembly.

[0009] In a possible embodiment, the flexible charging plug assembly includes: a charging head, which is connected to the charging interface of the charged object; a mounting plate, the charging head is installed on one side of the mounting plate, and a slot hole for accommodating the mounting head at one end of the guide column is provided on the other side of the mounting plate; the mounting head at one end of the guide column is placed in the slot hole of the mounting plate; a pressure plate is connected to the mounting plate, and the mounting head of the limiting guide column is in the slot hole of the mounting plate; the other end of the guide column passes through the shaft sleeve and is then sleeved with a stop pad, and the guide column is provided with a cotter pin at the outer end of the stop pad, and the cotter pin prevents the guide column from falling off the stop pad; the shaft sleeve is installed on the charging plug socket; the plug spring is sleeved outside the guide column and is placed between the pressure plate and the shaft sleeve.

[0010] In a possible embodiment, the automatic anti-recoil device includes: a baffle, a first connecting rod, a second connecting rod, a pressure wheel, an anti-recoil spring and an anti-recoil seat, wherein: one end of the baffle is connected to the anti-recoil seat through a pin shaft, and the other end is connected to the first connecting rod; the baffle is not connected to the other end of the anti-recoil seat, and a anti-recoil spring is provided below, and the anti-recoil spring is installed on the anti-recoil seat below the baffle, and the baffle is lifted under the action of the anti-recoil spring; one end of the first connecting rod is connected to the second connecting rod through a pin shaft, and the other end is connected to the middle part of the second connecting rod through a pin shaft; the pressure wheel is connected to one end of the second connecting rod, and the other end of the second connecting rod is installed on the anti-recoil seat through a pin shaft; when the pressure wheel rotates along the pin shaft connected to the anti-recoil seat, it drives the second connecting rod and the first connecting rod to move, and drives the baffle connected to the first connecting rod to be pressed together.

[0011] In a possible implementation, the mounting head at one end of the guide post of the flexible charging plug assembly has a ball head, and the ball head can rotate in a ball socket on the mounting plate.

[0012] Based on the above technical solutions, the electric vehicle battery replacement system of the present invention solves the efficiency and compatibility problems of battery replacement stations through the following technical solutions:

[0013] The battery compartment's two-way door mechanism, the battery-swapping trolley lifting system, and the battery storage and charging device improve the efficiency and flexibility of electric vehicle battery replacement; the battery compartment's two-way door mechanism allows the upper and lower doors to be sealed and opened from the inside and outside, avoiding the inconvenience of battery replacement in rainy and snowy weather; the battery-swapping trolley lifting system enables the battery-swapping trolley to move quickly between multiple levels of the battery storage and charging device, further optimizing the battery replacement process; at the same time, compared with the previous chain structure, the battery-swapping trolley lifting system of the present application has less noise during operation, improving the use environment;

[0014] The battery storage and charging device supports charging of multiple batteries at the same time. The positioning device and flexible charging plug assembly ensure accurate docking with the battery, playing a key role in improving the compatibility of the charging interface and reducing energy loss during the charging process. An automatic anti-retraction device is set to improve the safety of the system and avoid accidental slipping of the battery during the battery replacement process.

[0015] In summary, the present invention effectively solves the problem of existing electric vehicle battery replacement automation, making the electric vehicle battery replacement process faster, safer and more intelligent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the exploded structure of an electric vehicle battery replacement system according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the assembly structure of an electric vehicle battery replacement system according to an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the two-way door mechanism of the battery compartment;

[0020] Figure 4 for Figure 3 axonometric drawing;

[0021] Figure 5 Schematic diagram of the battery replacement process for electric vehicles;

[0022] Figure 6 This is a schematic diagram of the lifting system structure of the battery-swapping trolley;

[0023] Figure 7 for Figure 6 A partial enlarged view of

[0024] Figure 8 A cross-sectional view of the structure of a battery storage and charging device;

[0025] Fig. 9 for Figure 8 axonometric drawing;

[0026] Fig.10 It is a cross-sectional view of the structure of the flexible charging plug assembly;

[0027] Fig.10a for Fig.10 An enlarged schematic diagram of the connection position between the middle pressure plate and the guide column;

[0028] Fig.11 Fig.10 axonometric drawing;

[0029] Fig.12 A schematic diagram of the connection between the battery and the flexible charging plug assembly;

[0030] Fig.13 It is a structural schematic diagram of the automatic backstop device;

[0031] Fig.14 Schematic diagram of the battery removal process of the electric push rod III of the battery-swapping vehicle.

[0032] In the figure:

[0033] 100. Two-way door mechanism for battery compartment; 200. Battery storage and charging device; 40. Lifting system for battery swapping trolley; 400. Battery swapping trolley;

[0034] 1. Door frame; 2. Electric push rod I; 202. Electric push rod II; 3. Hinge I; 4. Fan-shaped rain cloth; 5. Upper door; 6. Brush; 7. Lower door; 303. Hinge II; 304. Upper door push rod; 8. Car; 10. Camera lens;

[0035] 302, battery compartment;

[0036] 41. Overall frame of the battery swap station; 42. UCPH bearing with seat; 43. Pulley; 44. Flat belt; 45. Flat belt guide wheel; 46. Sprocket I; 461. Sprocket III; 47. Drive shaft I; 48. Motor; 49. Sprocket II; 410. Bearing seat UCP; 411. Sprocket IV; 412. Guide shoe; 413. Elevator guide rail; 414. Drive shaft II; 415. Lifting adjustment seat; 416. Battery swap trolley frame;

[0037] 21. Automatic stop device; 28. Electric push rod III; 30. Object;

[0038] 21.1, blocking piece; 21.2, first connecting rod; 21.3, second connecting rod; 21.4, pressure wheel; 21.5, anti-retraction spring; 21.6, anti-retraction seat;

[0039] 22. Side guard smooth strip; 23. Furley wheel guide rail; 203. Battery rack;

[0040] 24. Positioning device; 25. Flexible charging plug assembly; 301. Battery; 302. Battery compartment;

[0041] 25.1, charging head; 25.2, plug spring; 25.3, charging plug socket; 25.4, stopper; 25.5, cotter pin; 25.6, bushing; 25.7, guide column; 25.8, pressure plate; 25.9, mounting plate. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the examples of the present application to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0043] In the description of the present application, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0044] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] In order to solve the technical problem of electric vehicle front-end battery replacement automation in the prior art, the present application provides an electric vehicle battery replacement system.

[0047] See also Figure 1 , Figure 2 In a possible implementation, the electric vehicle battery replacement system includes:

[0048] Battery compartment bidirectional door mechanism 100: This mechanism is arranged at the entrance and exit of the battery compartment of the battery swap system, and includes an upper compartment door 5 and a lower compartment door 7, and a driving device for driving these compartment doors. The driving device controls the opening and closing of the upper compartment door and the lower compartment door, thereby realizing the sealing or opening of the battery compartment;

[0049] Battery swap trolley lifting system 40: This system is located in the space between the battery compartment bidirectional door mechanism and the battery storage and charging device. The system includes a motor 48 mounted on the main frame 41 of the battery swap station, a pulley 43 driven by the motor, a flat belt 44 connected to the pulley, and a battery swap trolley frame 416 connected to the flat belt. The battery swap trolley moves up and down between different levels of the battery storage and charging device, and between the battery compartment bidirectional door mechanism and the battery storage and charging device through this lifting system;

[0050] Battery swap trolley 400: This trolley is installed on the battery swap trolley lifting system through the battery swap trolley frame 416 to achieve its movement between various levels and the removal and insertion of batteries;

[0051] The battery storage and charging device 200 is provided with one or more battery compartments, each of which includes a battery rack 203, a side barrier strip 22, a Furley wheel guide rail 23, a positioning device 24, a flexible charging plug assembly 25 and an automatic back-stop device 21. The battery rack 203 is arranged on the main frame 41 of the battery swap station, the side barrier strip 22 is arranged on both sides of the battery rack 203, the Furley wheel is installed on the Furley wheel guide rail 23, and the battery 301 is placed on the Furley wheel. The flexible charging plug assembly 25 is placed at the end of the battery compartment 302 where the battery enters and corresponds to the charging port of the battery, and the automatic back-stop device 21 is placed on the other end of the battery rack 203 relative to the flexible charging plug assembly 25.

[0052] When the electric car 301 arrives at the battery swap system, the battery compartment bidirectional door mechanism 100 opens, the front cover of the car 8 with the battery swapped at the front is opened, and the battery swap trolley lifting system 40 drives the battery swap trolley 400 to move to the front of the compartment door, grabs the battery 301 in the front cover of the car 8, and then the battery swap trolley lifting system 40 drives the battery swap trolley 400 to move to the corresponding layer of the battery storage and charging device 200, pushes the battery into the battery compartment 302, and connects it to the flexible charging plug assembly 25 for charging. After the connection is in place, the baffle 21.1 of the automatic stop device 21 is lifted to clamp the battery 301 to prevent it from slipping; then, see Fig.14 The battery swap trolley lifting system 40 drives the battery swap trolley 400 to move to the corresponding layer of the battery storage and charging device 200, and the electric push rod III28 pushes the pressure wheel 21.4 of the automatic anti-retraction device 21, and the baffle 21.1 is pressed together, and the battery 301 in the battery compartment 302 is withdrawn into the battery swap trolley 400, and the battery swap trolley lifting system 40 drives the battery swap trolley 400 to move to the front end of the battery swap car 8, and pushes the battery through the compartment door to the front end of the car 8, and the battery swap is automatically completed.

[0053] See also Figure 3 and Figure 4The battery compartment bidirectional door mechanism comprises: a door main frame 1, installed at the entrance and exit of the battery compartment; an electric push rod Ⅰ2, one end of which is hinged on the door main frame 1, and the other end is connected to the upper door 5 through the upper door push rod 304 on the upper door 5; a hinge Ⅰ3 is installed on the outer side of the upper door, one end of which is installed on the door main frame 1, and the other end of which is installed on the upper door 5, and the upper door 5 can rotate along the pin shaft of the hinge Ⅰ3; the upper door 5 is installed on the door main frame through the hinge Ⅰ3 1, the upper door 5 can rotate along the pin of the hinge Ⅰ3; the electric push rod Ⅱ202, one end of which is connected to the door frame 1 through the pin, and the other end is connected to the lower door 7; the lower door 7 is connected to the door frame 1 through the hinge Ⅱ303; the fan-shaped rain cloth 4 is arranged in the gap on both sides of the upper door 5 and the door frame 1, one end of which is connected to the upper door 5, and the other end of which is connected to the door frame 1; the brush 6 is connected to the side of the upper door 5 away from the mounting pin.

[0054] In the above scheme, the main frame of the door 1: is located at the entrance and exit of the battery compartment, providing the main support and fixed base of the mechanism;

[0055] Electric push rod Ⅰ2: one end is hinged on the main frame 1 of the warehouse door, and the other end pushes the upper warehouse door 5 through the upper warehouse door push rod 304 to control the opening and closing of the upper warehouse door 5;

[0056] Hinge Ⅰ3: installed at the connection between the upper door 5 and the door frame 1, installed on the outside of the upper door 5, as a connecting piece, so that the upper door 5 can rotate or swing along the pin of the hinge Ⅰ3;

[0057] Upper door 5: mounted on the door frame 1 through hinge Ⅰ3, and can be rotated along its pin axis to open or close the battery compartment;

[0058] Electric push rod II 202: one end is installed on the main frame 1 of the warehouse door through a pin shaft, and the other end is connected to the lower warehouse door 7, which is used to control the opening and closing of the lower warehouse door;

[0059] Lower door 7: connected to the door frame 1 via hinge II 303, used to open or close another part of the battery compartment;

[0060] Fan-shaped rain cloth 4: set in the gap between the upper door 5 and the door frame 1 to protect the interior from rain erosion;

[0061] Brush 6: Installed on the non-pin shaft side of the upper door 5, the brush 6 is a flexible structure. When opened, it will not scratch the car due to the close distance of the car, ensuring that the battery replacement process is blocked when the upper door is opened. The contact between the brush and the car can completely block the car without damaging it, and cooperate with the lower door to prevent foreign objects and rainwater from entering the gap.

[0062] This embodiment can achieve effective control of the upper door 5 and the lower door 7 through the operation of the electric push rod I2 and the electric push rod II202, ensuring the efficiency of the battery replacement process and the protection of the environment.

[0063] In a possible implementation, when the electric push rod Ⅰ2 is extended, it pushes the upper warehouse door 5 to open outward.

[0064] In the above scheme, when the electric push rod Ⅰ2 is extended, it pushes the upper door 5 to open outwards, thereby realizing the opening of the upper door.

[0065] Hinge Ⅰ3: One end is fixedly connected to the main frame 1 of the warehouse door, and the other end is connected to the upper warehouse door 5. The design of hinge Ⅰ3 allows the upper warehouse door 5 to rotate along the pin shaft at its center, and effectively converts the thrust of the electric push rod Ⅰ2 into the opening action of the upper warehouse door.

[0066] Upper door 5: connected to the door main frame 1 through hinge Ⅰ3, so that it rotates around the pin shaft. When the electric push rod Ⅰ2 is extended, the driving force is transmitted to the upper door 5 through the upper door push rod 304. Due to the connecting action of hinge Ⅰ3, the driving force is converted into rotational torque, causing the upper door 5 to swing outward.

[0067] In a possible implementation, when the electric push rod II 202 contracts, the lower compartment door 7 opens inward.

[0068] In the above scheme, the electric push rod II 202 is connected to the main frame 1 of the warehouse door through a pin shaft and can perform a contraction action under signal drive.

[0069] Hinge II 303: connects the main frame 1 of the door and the lower door 7. When the electric push rod II 202 contracts, the lower door 7 rotates inward along the connection between the hinge II 303 and the main frame 1 of the door.

[0070] In a possible implementation, when the upper compartment door 5 and the lower compartment door 7 are closed, the entrance and exit of the battery compartment are sealed.

[0071] In the above scheme, the upper door 5 and the lower door 7, when in the closed state, cooperate with the door main frame 1 to ensure that there is no gap. For example, sealing can be achieved by installing rubber or soft plastic strips on the edge of the door, which not only improves the sealing performance but also reduces wear.

[0072] In a possible implementation, it also includes: a camera lens 10, installed on the battery-exchanging vehicle.

[0073] In the above scheme, when the battery-swapping trolley replaces the battery at the upper compartment door 5, the battery is visually positioned through the camera lens 10 on the battery-swapping trolley; after the identification point of the battery compartment is photographed, the position of the trolley relative to the battery compartment is fed back to the system, and the size is adjusted for accurate capture. To ensure the correctness and safety of the operation, the camera lens can be high-definition and can effectively shoot under low light conditions.

[0074] In a possible implementation, one end of the electric push rod Ⅰ2 is hinged to the warehouse door main frame 1 through a pin shaft.

[0075] In the above scheme, the electric push rod Ⅰ2 is hingedly installed on the warehouse door main frame 1 through a pin shaft, so that it can rotate in a small range, push the upper warehouse door push rod 304, and then push the upper warehouse door to rotate.

[0076] In a possible implementation, the hinge II 303 is installed on the inner side of the lower compartment door 7 .

[0077] In the above solution, the electric push rod II 303 pushes the lower door 7 to rotate inward along the hinge II 303, thereby realizing the inward opening of the lower door 7.

[0078] See also Figure 5 When the electric car 8 goes to the battery compartment to replace the battery, the upper compartment door 5 opens outward, the lower compartment door 7 opens inward, and the battery 301 extends out of the battery compartment entrance and exit to the front end of the electric car 8 to complete the battery replacement.

[0079] The two-way door device includes a door frame 1, an electric push rod Ⅰ2, an electric push rod Ⅱ202, a hinge Ⅰ3, a fan-shaped rain cloth 4, an upper door 5, a brush 6, and a lower door 7. The tail ends of the two electric push rods are connected to the frame through pins, one electric push rod protruding end is connected to the connecting rod of the upper door through a hinge, and the other is installed on the mounting seat of the lower door. The upper door and the lower door are connected to the frame through hinges, one end of the fan-shaped rain cloth is connected to the upper door, and the other end is connected to the frame, and the brush is connected to the upper door.

[0080] Door system: The upper door 5 and the lower door 7 are connected to the electric push rod Ⅰ2 through the pin shaft, and the electric push rod Ⅰ2 is fixed to the main frame 1 of the door of the battery swap station through the pin shaft. The upper door 5 is an outward opening type, connected to the main frame 1 of the door of the battery swap station through the hinge 3. The fan-shaped tarpaulin 4 is fixed to the upper door 5 on one side and to the main frame 1 of the door of the battery swap station on the other side. When the upper door 5 is opened, the brush 6 on the upper door contacts the car 8, and the fan-shaped tarpaulin 4 opens to cover the battery and the camera lens 10 on the battery swap car. The lower door 7 is an inward opening type, connected to the main frame 1 of the door of the battery swap station through the hinge Ⅱ303. The electric push rod Ⅱ202 shrinks and pulls the lower door 7 to be flush with the bottom of the main frame 1 of the door of the battery swap station.

[0081] The above-mentioned embodiment of the battery compartment bidirectional door mechanism of the electric vehicle battery replacement system realizes the outward opening of the upper compartment door through the coordinated work of the electric push rod I and the hinge I, while the action of the electric push rod II controls the inward opening of the lower compartment door, thereby effectively realizing the bidirectional opening function. The sealing design of the upper compartment door and the lower compartment door optimizes the sealing performance of the battery compartment, improves the efficiency and safety of battery replacement, and further enhances the intelligence of the system and the convenience of user operation.

[0082] See also Figure 6 and Figure 7 In a possible implementation, the battery swap trolley lifting system includes: a motor 48, which is installed on the main frame 41 of the battery swap station; a sprocket Ⅰ46 is coaxially connected to the output shaft of the motor 48, a sprocket Ⅱ49 and a sprocket Ⅲ461 are installed on a transmission shaft Ⅰ47, and the transmission shaft Ⅰ47 is installed on the main frame 41 of the battery swap station through a bearing seat UCP410, and a sprocket Ⅳ411 is installed on a transmission shaft Ⅱ414, and the transmission shaft Ⅱ414 is installed on the main frame 41 of the battery swap station through a seat bearing UCPH42; the sprocket Ⅰ46 is connected to the sprocket Ⅱ49 through a chain; the sprocket Ⅲ461 is connected to the sprocket Ⅳ411 Connected by a chain; pulleys 43 are installed at both ends of the transmission shaft II 414, and the pulleys 43 are installed on the main frame 41 of the battery swap station. Two layers of flat belts 44 are respectively wound on the two pulleys 43, one layer of flat belts 44 is connected to the lifting and adjusting seat 415 through a flat belt guide wheel 45 installed on one side of the main frame 41 of the battery swap station, and the other layer of flat belts 44 is connected to the lifting and adjusting seat 415 through a flat belt guide wheel 45 installed on the other side of the main frame 41 of the battery swap station; the lifting and adjusting seat 415 is fixed to the battery swap trolley frame 416 by bolts; the battery swap trolley is installed on the battery swap trolley frame 416.

[0083] In the above solution, the motor 48 is installed on the main frame 41 of the battery swap station to provide a power source.

[0084] The sprocket I 46 is coaxially connected to the output shaft of the motor 48 for transmitting power.

[0085] Sprocket II 49 and sprocket III 461 are installed on the transmission shaft I 47 and fixed on the main frame 41 of the battery swap station through the bearing seat 410 .

[0086] The sprocket IV 411 is mounted on the transmission shaft II 414 , and the transmission shaft II 414 is mounted on the main frame 41 of the battery swap station through a seat bearing 42 .

[0087] Chain connection, sprocket I 46 and sprocket II 49 as well as sprocket III 461 and sprocket IV 411 are connected through chains to achieve force transmission.

[0088] Pulleys 43 are installed at both ends of the transmission shaft II 414, and two layers of flat belts 44 are wound around the two pulleys.

[0089] The flat belt guide wheels 45 are respectively installed on both sides of the main frame 41 of the battery swap station, and are used to guide the flat belt 44 to connect to the lifting and adjusting seat 415.

[0090] The lifting and adjusting seat 415 is fixed to the battery-swapping trolley frame 416 by bolts to realize the lifting and lowering adjustment of the battery-swapping trolley.

[0091] The battery swap trolley is mounted on the battery swap trolley frame 416, see Figure 5 , the camera lens 10 detects that the battery 301 reaches the front end of the electric car 8; or see Figure 2 The lifting system 40 is placed between the battery compartment 302 and the compartment door. The battery 301 stops when it reaches the layer where the battery compartment 302 is located, and the battery replacement operation is performed.

[0092] When the motor 48 is started, the coaxially connected sprocket I 46 rotates, driving the sprocket II 49 and the sprocket III 461 to transmit power to the sprocket IV 411 through the chain, and the flat belt 44 is pulled by the pulley 43, so that the lifting and adjusting seat 415 moves up and down along the guide wheel 45, realizing the lifting and lowering function of the battery-changing trolley.

[0093] This embodiment uses a combination of multiple sprockets and pulleys driven by a motor to achieve smooth lifting and lowering of the battery exchange cart, allowing it to move between the various layers of the battery compartment 302 and automatically store and retrieve batteries, thereby improving battery exchange efficiency and safety.

[0094] In a possible implementation, it also includes: a guiding device, which is mounted on the battery swapping vehicle frame 416 and the battery swapping station main frame 41.

[0095] In the above scheme, the guide device is installed on the battery swapping trolley frame 416 and the overall frame 41 of the battery swapping station. The guide device ensures the precise movement of the battery swapping trolley in the vertical direction by providing stable guidance between the battery swapping trolley frame 416 and the overall frame 41 of the battery swapping station, avoids swinging or deviation from the predetermined path during the lifting process, and ensures the stability and precise guidance of the battery swapping trolley during the lifting process; improves the operating stability of the battery swapping trolley, reduces errors during operation, and further improves the battery swapping efficiency and system reliability.

[0096] In a possible implementation, the guiding device includes an elevator guide rail 413 and a guide shoe 412 , and the guide shoe 412 is disposed on the battery swap trolley frame 416 ; the elevator guide rail 413 is disposed on four columns of the battery swap station overall frame 41 , and the guide shoe 412 is nested in the elevator guide rail 413 .

[0097] In the above scheme, the elevator guide rail 413 cooperates with the guide shoe 412 to realize the smooth up and down movement of the battery swapping trolley frame 416 along the elevator guide rail 413. The nested setting of the guide shoe 412 and the elevator guide rail 413 ensures the stability and accuracy of the battery swapping trolley during the vertical movement, so that the battery swapping trolley has better guidance and stability during the lifting process, reduces operational errors caused by path deviation, and improves the safety and efficiency of the battery swapping operation.

[0098] In a possible implementation, the flat belt guide wheels 45 are installed at the four corners of the overall frame 41 of the battery swap station.

[0099] In the above scheme, the flat belt guide wheels 45 are installed at the four corners of the main frame 41 of the battery swap station, effectively guiding the flat belt 44 to maintain balance and stability during the lifting and lowering process of the lifting and adjusting seat 415. This position arrangement makes the force on the flat belt more uniform, avoiding the flat belt from being offset or twisted during the pulling process.

[0100] In a possible implementation, the diameter of sprocket I 46 is smaller than the diameter of sprocket II 49 ; the diameter of sprocket III 461 is smaller than the diameter of sprocket IV 411 .

[0101] The output shaft of motor 48 is connected to sprocket I46, sprocket I46 is connected to sprocket II49 through a chain, forming a first-stage reduction, sprocket I46 is sprocket Z15, sprocket II49 is sprocket Z30; sprocket II49 is coaxial with sprocket III461, sprocket III461 and sprocket IV411 form a second-stage reduction through a chain, sprocket III461 is sprocket Z15, sprocket IV411 is sprocket Z30, ensuring the stable operating speed of the lifting system.

[0102] In a possible implementation manner, the elevator guide rail 413 and the guide shoe 412 are respectively nested groove structures.

[0103] In the above solution, the groove structure of the elevator guide rail 413 and the guide shoe 412 allows the guide shoe to be stably embedded in the elevator guide rail, providing smooth and precise vertical guidance, while allowing the guide shoe to slide easily in the guide rail.

[0104] In a possible implementation, there are four groups of elevator guide rails 413 and guide shoes 412, which are respectively arranged at the four corners of the main frame 41 of the battery swap station.

[0105] In the above solution, the configuration of four sets of elevator guide rails and guide shoes provides four points of support, ensuring the stability and balance of the battery swap trolley during the lifting process, dispersing the load, reducing the pressure on a single guide rail, and improving the carrying capacity and operational safety of the entire system.

[0106] In the above-mentioned embodiment of the electric vehicle battery exchange system battery exchange trolley lifting system, the arrangement of the motor and the multi-stage sprocket transmission structure makes the movement of the lifting mechanism more stable and efficient. At the same time, through the coordinated action of the double-layer flat belt and the guide wheel, the lifting and adjusting seat can be accurately moved within the overall frame, thereby realizing the rapid positioning and stable support of the battery exchange trolley; the guiding device, including elevator guide rails and guide shoes, ensures the stability and guiding accuracy of the battery exchange trolley during the vertical movement, prevents potential swinging or deviation, and improves the safety and reliability of the entire battery exchange process; realizes the automation of battery storage when the front end of the electric vehicle is replaced, improves the battery replacement efficiency and automation level, and improves the accuracy of the battery replacement operation.

[0107] See also Figure 8 and Fig. 9 In a possible embodiment, the present invention provides a battery storage and charging device for an electric vehicle battery replacement system, including a battery rack 203, a side barrier strip 22, a Furley wheel guide rail 23, a positioning device 24, a flexible charging plug assembly 25 and an automatic anti-retraction device 21, which realizes efficient storage and rapid charging of a battery 301.

[0108] The battery rack 203 constitutes the main structure of the battery storage and charging device, and is composed of transverse and longitudinal frames. Such a configuration not only provides structural stability, but also allows multiple batteries to be stored and charged at the same time. Between the two transverse frames of the battery rack, two corresponding side baffle smooth strips 22 are installed. These strips can effectively guide the batteries to the correct position in the charging device.

[0109] A Furley wheel guide rail 23 is installed between every two side barrier smooth bars 22. The guide rail is equipped with a number of Furley wheels. These wheels support the battery 301 to move in and out easily along the guide rail. The setting of the Furley wheels reduces the friction when the battery moves, making the battery placement and removal process smoother.

[0110] The battery rack 203 is also provided with an automatic anti-retraction device 21, which is located between two side barrier strips 22 and is used to prevent the battery from sliding back after it is in place, thereby ensuring the stability of the battery during the charging process.

[0111] The flexible charging plug assembly 25 is configured as a resiliently movable charging head that can be aligned with and connected to the charging port of the battery 301, so that the charging plug can adapt to battery charging ports in different positions, thereby improving the flexibility and reliability of charging. The flexible charging plug assembly 25 is placed on the battery rack 203, relative to the other end of the automatic anti-retraction device 21.

[0112] The positioning device 24 is installed on the battery rack 203 and is arranged corresponding to the flexible charging plug assembly 25. Its main function is to guide the battery 301 to be correctly connected to the flexible charging plug assembly 25 to ensure the accuracy and safety of the charging connection.

[0113] The battery storage and charging device of the electric vehicle battery replacement system of the present invention, firstly, greatly reduces the friction of the battery moving in and out through the arrangement of the side baffle smooth strips and the Furley wheel guide rails, thereby improving the smoothness of operation; secondly, the automatic anti-retraction device ensures the stability of the battery during the charging process to prevent the battery from being accidentally moved out; in addition, the arrangement of the flexible charging plug assembly plays a buffering role when the battery enters, automatically aligns the battery interface position, ensures a pre-pressure between the charging plug and the battery plug, prevents false connection, and improves the charging efficiency and reliability; finally, the addition of the positioning device further ensures the precise docking of the battery and the charging plug, thereby reducing errors during operation.

[0114] See also Fig.10 , Fig.11 and Fig.12 In a possible implementation, the flexible charging plug assembly 25 includes: a charging head 25.1 connected to the charging interface of the charged object; a mounting plate 25.9, the charging head 25.1 is mounted on one side of the mounting plate 25.9, and a slot for accommodating a mounting head at one end of a guide column 25.7 is provided on the other side of the mounting plate 25.9; the mounting head at one end of the guide column 25.7 is placed in the slot of the mounting plate 25.9; a pressing plate 25.8 is connected to the mounting plate 25.9, and the limiting guide column 25 .7's mounting head is in the slot of the mounting plate 25.9; the other end of the guide column 25.7 passes through the shaft sleeve 25.6 and is sleeved with a stopper 25.4; the guide column 25.7 is provided with a cotter pin 25.5 at the outer end of the stopper 25.4, and the cotter pin 25.5 prevents the guide column 25.7 from falling off from the stopper 25.4; the shaft sleeve 25.6 is installed on the charging plug socket 25.3; the plug spring 25.2 is sleeved outside the guide column 25.7 and is placed between the pressure plate 25.8 and the shaft sleeve 25.6.

[0115] In this embodiment, the charging head 25.1 is fixed by the mounting plate 25.9 to ensure a stable connection with the interface of the charged object. The guide column 25.7 is combined with the slot of the mounting plate 25.9 through the pressure plate 25.8, providing the necessary guiding and supporting functions to ensure the stability and reliability of the entire plug assembly during use. The plug spring 25.2 provides the necessary tension to keep the guide column 25.7 in the appropriate position, while allowing a certain degree of elastic adjustment to adapt to different installation and operating conditions.

[0116] This embodiment improves the operational flexibility and durability of the plug assembly by integrating the guide column 25.7 and the plug spring 25.2. The cotter pin 25.5 prevents the guide column 25.7 from falling off under severe operating conditions, ensuring the safety and reliability of the system. In addition, the structural setting of the entire assembly optimizes the stability of the electrical connection, reduces maintenance costs, and improves ease of use.

[0117] In a possible implementation, the guide post 25.7 can slide along the shaft sleeve 25.6.

[0118] The sliding ability of the guide column 25.7 inside the sleeve 25.6 allows the plug assembly to adapt to different installation angles and positions, which is extremely important when electric vehicles face battery compartments of different models or settings during the battery replacement process, enhancing the versatility and adaptability of the plug; improving the adaptability and user-friendliness of the plug assembly, especially in emergency or non-standard battery replacement operations, which can effectively reduce the difficulty and time of operation.

[0119] In a possible embodiment, the mounting head at one end of the guide column 25.7 has a ball head, and the ball head can rotate in a ball socket on the mounting plate 25.9.

[0120] The setting of the ball head allows one end of the guide column 25.7 to rotate in multiple directions on the mounting plate 25.9, which increases the flexibility during connection and enables the plug to be more easily aligned and connected to the charging port of the battery compartment; it reduces the mechanical stress caused by installation errors, thereby extending the service life of the plug assembly.

[0121] In a possible implementation, two guide columns 25.7 are provided, which are provided on both sides relative to the charging head 25.1.

[0122] Two guide posts 25.7 are used, located on either side of the charging head 25.1, to provide better balance and support for the plug assembly; this helps to evenly distribute the mechanical load from the battery compartment to the charging head, thereby improving overall stability and reliability.

[0123] In a possible implementation, the pressure plate 25.8 is provided with a gap at the mounting head accommodating the guide column 25.7 to adjust the deflectable angle of the charging head.

[0124] Setting the gap allows the pressure plate 25.8 to move freely within a certain range, so that the charging head 25.1 can adjust its angle as needed during the connection process to better align with the charging interface of the battery compartment; the adjustable setting significantly improves the docking flexibility of the charging head and reduces the risk of physical damage caused by improper docking, especially in the automatic battery replacement system, thereby improving the efficiency and safety of operation.

[0125] See also Fig.13The automatic back-stop device 21 includes: a baffle 21.1, a first connecting rod 21.2, a second connecting rod 21.3, a pressure wheel 21.4, a back-stop spring 21.5 and a back-stop seat 21.6; wherein, one end of the baffle 21.1 is connected to the back-stop seat 21.6 through a pin shaft, and the other end is connected to the first connecting rod 21.2; the baffle 21.1 is not connected to the other end of the back-stop seat 21.6, and a back-stop spring 21.5 is provided below, and the back-stop spring 21.5 is installed on the back-stop seat 21.6 below the baffle 21.1, and the baffle 21.1 is lifted under the action of the back-stop spring 21.5. One end of the first connecting rod 21.2 is connected to the second connecting rod 21.3 through a pin shaft, and the other end is connected to the middle part of the second connecting rod through a pin shaft. The pressure wheel is connected to one end of the second connecting rod, and the other end of the second connecting rod is installed on the back-stop seat through a pin shaft. When the pressing wheel rotates along the pin shaft connected to the stop seat, the second connecting rod and the first connecting rod are driven to move, and the blocking piece connected to the first connecting rod is driven to be pressed.

[0126] Baffle 21.1: It is automatically lifted up after the battery passes through to prevent the battery from moving backward.

[0127] The first connecting rod 21.2 and the second connecting rod 21.3 transmit the power of the pressing wheel 21.4 to control the lifting and pressing of the baffle.

[0128] Pressure wheel 21.4: receives external force such as the push of electric push rod III 28, and converts the force into the movement of the baffle.

[0129] Stop spring 21.5: provides restoring force for the baffle to ensure that it can automatically return to the initial position when no external force is applied, thereby increasing the response speed and reliability of the system.

[0130] During operation, the pressing wheel 21.4 is pushed manually or by the electric push rod III 28, and the pressing wheel rotates to drive the second connecting rod 21.3, and then pushes the first connecting rod 21.2, and finally the blocking piece 21.1 moves from the stop seat 21.6 to the pressing position. After the battery passes through the blocking piece 21.1, the blocking piece can automatically lift up to prevent the battery from retreating.

[0131] In the above scheme, the automatic anti-retraction device of the battery compartment of the electric vehicle battery replacement system adopts a complex mechanical linkage system to achieve efficient and safe battery positioning and prevent the battery from accidentally moving. The baffle 21.1 is mechanically connected to the anti-retraction seat 21.6 and connected to the pressure wheel 21.4 through the first connecting rod 21.2, allowing it to move when the pressure wheel is subjected to external driving force, and automatically return to the initial blocking position by the restoring force provided by the anti-retraction spring 21.5 without external force. This setting ensures that the baffle can be lifted immediately after the battery passes through to prevent the battery from retreating, improves the convenience and efficiency of operation, and ensures safety and reliability during operation.

[0132] In a possible implementation, the device is installed behind the object 30 when it is moving. When the baffle 21.1 is pressed, the plane of the baffle after pressing is flush with the moving plane of the object 30, and the object moves along the pressing direction.

[0133] By adjusting the lifting and pressing of the baffle 21.1, the smoothness and safety of the battery replacement process is ensured, while the intervention of the operator is reduced and the automation level of the entire system is improved.

[0134] In a possible implementation, after the object 30 passes through, the blocking piece 21.1 is bounced up by the stop spring 21.5 to prevent the object from retreating, so that the blocking piece prevents the object from retreating.

[0135] When an object 30, such as a battery or other related components, passes through the baffle 21.1, the baffle will automatically rise due to the action of the stop spring 21.5 to prevent the object 30 from moving in the opposite direction. This automatic rebound mechanism ensures that after the object passes through the baffle, it will not accidentally retreat due to any external factors such as machine vibration.

[0136] This automatic locking function enhances the safety of the electric vehicle battery replacement system, ensures the stability of the battery during charging or replacement, and prevents accidental falling off or displacement, thereby protecting the safety of operators and equipment.

[0137] In a possible implementation manner, the pressure wheel 21.4 is fixedly connected to the second connecting rod via a connecting piece.

[0138] The connection between the pressure wheel 21.4 and the second connecting rod 21.3 is achieved through a fixed connecting piece. This connection mode provides a stable and strong structure, ensuring the stability and accuracy of the transmission during the process of the pressure wheel pushing the baffle 21.1 to press together.

[0139] By using fixed connections, the mechanical strength and durability of the entire system are improved, especially in high-load and high-frequency operating environments, increasing the reliability of the equipment.

[0140] Fixed connectors can be replaced with adjustable connectors or quick-release connectors as needed to facilitate maintenance and adjustment to meet different working conditions and maintenance requirements.

[0141] In a possible implementation, the pressure wheel 21.4 is connected to the second connecting rod 21.3 via a pin.

[0142] Through the pin connection, the pressure wheel 21.4 and the second connecting rod 21.3 can achieve relative rotation. This connection mode provides a certain flexibility, allowing the pressure wheel 21.4 to automatically adjust its angle according to the position of the baffle 21.1 during the pushing process.

[0143] In one possible implementation, the object 30 is a battery.

[0144] Object 30 is a battery, and the device is used in an electric vehicle battery replacement system.

[0145] In a possible implementation, the electric vehicle battery replacement system also includes an electric push rod III28, which is arranged corresponding to the automatic anti-retraction device of the battery compartment of the electric vehicle battery replacement system, i.e., the automatic anti-retraction device 21 in the figure. The electric push rod III28 is controlled to push the pressure wheel, and the forward pushing action of the pressure wheel drives the movement of the first connecting rod and the second connecting rod, so that the baffle is pressed and flush with the moving plane of the object, allowing the object to pass over the baffle.

[0146] The electric push rod III28 is controlled by the electronic control system, providing a power source so that the pressure wheel 21.4 can be pushed as needed to achieve automatic baffle pressing and releasing, simplifying the operating process and improving the response speed and accuracy of the system.

[0147] By integrating the electric push rod III28, the device improves the automation level of the battery replacement process, reduces manual operations, and improves the efficiency and safety of battery replacement.

[0148] The electric push rod III28 can be replaced with different types of electric or hydraulic drive devices as needed to adapt to different operating speed and torque requirements, or choose a more suitable drive mode according to different working environments, such as using a hydraulic system in an explosion-proof environment.

[0149] See also Fig.12 In a possible implementation, it also includes: a positioning device 24, installed at the rear end of the battery compartment 302, corresponding to the battery 301, and used to guide the battery 301 to connect to the charging head 25.1.

[0150] The beneficial effects of the electric vehicle battery replacement system of the present application are mainly reflected in the following aspects:

[0151] Improved safety: The device automatically rises after the battery passes through an automatic baffle mechanism to prevent the battery from accidentally rolling back, significantly improving the safety of the battery replacement process. The setting to prevent the battery from rolling back reduces the risk during the operation and ensures the safety of the operator and equipment.

[0152] Convenience of operation: Through the automated control system, such as the use of the electric push rod III28 and the pressure wheel mechanism, the system can automatically adjust the position of the baffle, reducing the need for manual operation and improving the convenience and efficiency of the battery replacement operation.

[0153] Structural stability: By adopting pin connection or fixed connecting parts, the connection between the pressure wheel and the connecting rod is ensured to be firm and reliable, which increases the mechanical strength and durability of the entire device, so that the device can adapt to continuous high-frequency operation without being easily damaged.

[0154] High degree of automation: The automation setting of the entire system reduces the possibility of human operation errors, improves the operating efficiency of the battery swap station and the battery swap speed, and can significantly improve service capabilities and response speed, especially in high-demand commercial operation environments.

[0155] The battery storage and charging device of the electric vehicle battery replacement system of the present invention includes: an automatic anti-retraction device 21, a battery rack 203, a side barrier smooth bar 22, a Furley wheel guide rail 23, a battery 301, a flexible charging plug assembly 25, and a positioning device 24; each component is installed and connected by screws. When placing the battery 301, the battery 301 presses down the automatic anti-retraction device 21 at the entrance and slowly transports it into the battery rack 203. When the battery 301 completely enters the battery rack 203 position, the automatic anti-retraction device baffle 21.1 at the entrance directly pops up without being pressed by the battery 301, and the positioning device 24 at the rear end of the battery rack 203 centers the battery 301. At this time, the charging head 25.1 of the flexible charging plug assembly 25 can be aligned with the charging port of the battery 301. Under the action of the plug spring 25.2 inside the flexible charging plug assembly 25, the charging head of the flexible charging plug assembly 25 is aligned and connected with the charging interface of the battery 301. The remaining spring force pushes the battery 301 backwards, causing it to contact the baffle 21.1 of the automatic anti-retraction device 21, thereby completing the self-locking of the battery 301. When taking out the battery 301, the external component presses the pressure wheel 21.4 of the automatic anti-retraction device 21 to press down the baffle of the automatic anti-retraction device 21, and the external component grabs the handle of the battery 301 to pull out the battery 301. When the external component leaves, the pressure wheel 21.4 of the automatic anti-retraction device 21 is no longer pressed, and the baffle of the automatic anti-retraction device 21 automatically rebounds, and the process of taking and placing the battery and completing the charging is completed.

[0156] Based on the front-end battery replacement mode, the present invention replaces the power element of the battery storage device with a linkage of mechanical structure, combines the guide adjustment position of the smooth strip and Furley wheel equipped with the battery replacement cart and the battery storage device, and uses mechanical means to complete the horizontal positioning and unlocking and removal of the battery, which saves energy, reduces the cost of landing at the station, and brings convenience to the staff.

[0157] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0158] The above embodiments are only used to illustrate the technical solution of the present application rather than to limit it. Although the present application has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present application can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present application, which should be included in the scope of the technical solution requested for protection in the present application.

Claims

1. An electric vehicle battery replacement system, characterized in that: include: A battery compartment bidirectional door mechanism (100) is disposed at the entrance and exit of the battery compartment of the battery replacement system, comprising an upper compartment door (5) and a lower compartment door (7), and a corresponding driving device for driving the upper compartment door (5) and the lower compartment door (7) to open and close; The battery swap trolley lifting system (40) is placed in the space between the battery compartment bidirectional door mechanism (100) and the battery storage and charging device (200), and drives the battery swap trolley (400) to move up and down between the layers of the battery storage and charging device (200), and between the battery compartment bidirectional door mechanism (100) and the battery storage and charging device (200); it comprises a motor (48) mounted on the overall frame (41) of the battery swap station, a pulley (43) driven by the motor (48), a flat belt (44) connected to the pulley (43), and a battery swap trolley frame (416) connected to the flat belt (44); A battery-swapping trolley (400) is mounted on a battery-swapping trolley lifting system (40) via a battery-swapping trolley frame (416); A battery storage and charging device (200) is provided with one or more battery compartments (302), each battery compartment (302) comprising a battery rack (203), a side barrier strip (22), a Furley wheel guide rail (23), a positioning device (24), a flexible charging plug assembly (25), and an automatic stop device (21); the battery rack (203) is arranged on a main frame (41) of a battery exchange station, the battery rack (203) is provided with two corresponding side barrier strips (22), a Furley wheel guide rail (23) is provided between the side barrier strips (22), the Furley wheel is mounted on the Furley wheel guide rail (23), and the battery is placed on the Furley wheel; the flexible charging plug assembly (25) is placed at one end of the battery compartment (302) where the battery enters and corresponds to the charging port of the battery, and the automatic stop device (21) is placed on the other end of the battery rack (203) relative to the flexible charging plug assembly (25); wherein, The battery compartment bidirectional compartment door mechanism (100) comprises: A compartment door main frame (1) installed at the entrance and exit of the battery compartment (302); An electric push rod I (2), one end of which is hinged on the door main frame (1), and the other end of which is connected to the upper door (5) via an upper door push rod (304) on the upper door (5); The hinge I (3) is mounted on the outside of the upper door (5), one end of which is mounted on the door main frame (1) and the other end of which is mounted on the upper door (5). The upper door (5) can rotate along the pin of the hinge I (3); An electric push rod II (202), one end of which is connected to the lower part of the door main frame (1) through a pin shaft, and the other end of which is connected to the lower door (7); The lower door (7) is connected to the door main frame (1) via hinge II (303); When the electric push rod I (2) is extended, the upper door (5) is pushed to open outwards, and when the electric push rod II (202) is retracted, the lower door (7) is opened inwards; A fan-shaped rain cloth (4) is arranged between the gaps on both sides of the upper warehouse door (5) and the warehouse door main frame (1), one end of which is connected to the upper warehouse door (5) and the other end of which is connected to the warehouse door main frame (1); A brush (6) is connected to a side of the upper door (5) away from the mounting pin; Wherein, the flexible charging plug assembly (25) comprises: A charging head (25.1) connected to a charging interface of a charged object; A mounting plate (25.9), the charging head (25.1) being mounted on one side of the mounting plate (25.9), and a slot hole for accommodating the mounting head at one end of the guide column (25.7) being provided on the other side of the mounting plate (25.9); The mounting head at one end of the guide column (25.7) is placed in the slot of the mounting plate (25.9); The pressing plate (25.8) is connected to the mounting plate (25.9), and the mounting head of the limiting guide column (25.7) is in the slot of the mounting plate (25.9); The other end of the guide column (25.7) passes through the shaft sleeve (25.6) and is sleeved with a stopper (25.4); the guide column (25.7) is provided with a split pin (25.5) at the outer end of the stopper (25.4); the split pin (25.5) prevents the guide column (25.7) from falling off the stopper (25.4); The shaft sleeve (25.6) is mounted on the charging plug socket (25.3); The plug spring (25.2) is sleeved outside the guide column (25.7) and is placed between the pressure plate (25.8) and the shaft sleeve (25.6); The mounting head at one end of the guide column (25.7) of the flexible charging plug assembly has a ball head, and the ball head can rotate in a ball socket on the mounting plate (25.9); Wherein, the automatic anti-retraction device (21) comprises: A blocking piece (21.1), a first connecting rod (21.2), a second connecting rod (21.3), a pressure wheel (21.4), a stop spring (21.5) and a stop seat (21.6), wherein: One end of the baffle (21.1) is connected to the stop seat (21.6) through a pin shaft, and the other end is connected to the first connecting rod (21.2); the other end of the baffle (21.1) is not connected to the stop seat (21.6), and a stop spring (21.5) is provided below the baffle (21.1), and the stop spring (21.5) is installed on the stop seat (21.6) below the baffle (21.1), and the baffle (21.1) is lifted under the action of the stop spring (21.5); The middle parts of the first connecting rod (21.2) and the second connecting rod (21.3) are connected via a pin; The pressure wheel (21.4) is connected to one end of the second connecting rod (21.3), and the other end of the second connecting rod (21.3) is mounted on the stop seat (21.6) through a pin shaft; When the pressing wheel (21.4) rotates along the pin connected to the stop seat (21.6), it drives the second connecting rod (21.3) and the first connecting rod (21.2) to move, and drives the blocking piece (21.1) connected to the first connecting rod (21.2) to be pressed together; The device also comprises an electric push rod III (28), the electric push rod III (28) being arranged corresponding to the automatic back-stop device (21), the electric push rod III (28) being controlled to push the pressure wheel (21.4), and the first connecting rod (21.2) and the second connecting rod (21.3) being driven to move by the forward pushing action of the pressure wheel, so that the blocking plate (21.1) is pressed and aligned with the moving plane of the object.

2. The electric vehicle battery replacement system according to claim 1, characterized in that: The battery swap trolley lifting system includes: A motor (48) is mounted on the main frame (41) of the battery swap station; The sprocket wheel I (46) is coaxially connected to the output shaft of the motor (48), the sprocket wheel II (49) and the sprocket wheel III (461) are mounted on the transmission shaft I (47), the transmission shaft I (47) is mounted on the overall frame (41) of the battery swap station through the bearing seat UCP (410), the sprocket wheel IV (411) is mounted on the transmission shaft II (414), and the transmission shaft II (414) is mounted on the overall frame (41) of the battery swap station through the seat bearing UCPH (42); The sprocket I (46) is connected to the sprocket II (49) via a chain; The sprocket III (461) is connected to the sprocket IV (411) via a chain; Pulleys (43) are installed at both ends of the transmission shaft II (414), and the pulleys (43) are installed on the main frame (41) of the battery swap station. Two layers of flat belts (44) are respectively wound around the two pulleys (43), one layer of the flat belt (44) is connected to the lifting and adjusting seat (415) through a flat belt guide wheel (45) installed on one side of the main frame (41) of the battery swap station, and the other layer of the flat belt (44) is connected to the lifting and adjusting seat (415) through a flat belt guide wheel (45) installed on the other side of the main frame (41) of the battery swap station; The lifting adjustment seat (415) is fixed to the battery-swapping trolley frame (416) by bolts.

3. The electric vehicle battery replacement system according to claim 2, characterized in that: The battery rack (203) of the battery storage and charging device comprises a transverse frame and a longitudinal frame, and two corresponding side blocking smooth strips (22) are arranged between the two transverse frames; The battery (301) moves in and out along the Furley wheel guide rail (23) between the two side barrier smooth strips (22); A positioning device is mounted on the battery rack (203) and is arranged corresponding to the flexible charging plug assembly (25), and is used to guide the battery (301) to connect to the flexible charging plug assembly (25).

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