Battery hoisting equipment and battery replacing station

Abstract

The utility model discloses battery hoisting equipment and a battery replacing station. The battery hoisting equipment comprises a supporting arm, at least one hoisting mechanism and a controller, the hoisting mechanism comprises at least two hoisting assemblies and at least two driving assemblies; the at least two hoisting assemblies are movably connected to the supporting arm, the at least two driving assemblies are arranged on the supporting arm, each hoisting assembly is connected to one driving assembly, the controller is electrically connected with the driving assemblies, and the controller is used for independently controlling each driving assembly to drive the corresponding hoisting assembly to move relative to the battery box so as to hoist the battery box; and simultaneously controlling the at least two driving assemblies to operate to drive the at least two hoisting assemblies to bear the battery box to move so as to calibrate the position of the battery box. Therefore, the controller is used for controlling each hoisting assembly to move to the optimal hoisting position and then hoisting the battery box, and simultaneously controlling the at least two hoisting assemblies to bear the battery box to move together so as to calibrate the initial position of the battery box.

Description

Technical Field

[0001] The present application belongs to the field of battery replacement technology, and specifically relates to a battery lifting device and a battery replacement station. Background Art

[0002] With the increasing popularity of new energy vehicles, the battery replacement link of electric vehicles is an important issue that the electric vehicle industry needs to solve. Using special battery replacement equipment to achieve automatic battery replacement is the technical development direction of electric vehicle charging and swapping stations.

[0003] In related technologies, overhead battery swap stations typically use a hoist to lift the battery box and then place it into a guide. However, since the hoist cannot calibrate the initial position of the battery box after lifting it, positioning errors occur between the battery box and the guide after the battery is placed in the guide. As the battery box moves within the guide, it generates unnecessary friction with the guide, exacerbating wear between the battery box and the guide. Utility Model Content

[0004] The present application aims to provide a battery lifting device and battery swap station, which can solve the problem that the lifting device cannot calibrate the initial position of the battery box after lifting the battery box, resulting in unnecessary friction between the battery box body and the guiding device.

[0005] In order to solve the above technical problems, this application is implemented as follows:

[0006] In the first aspect, an embodiment of the present application proposes a battery lifting device, comprising: a support arm, at least one lifting mechanism and a controller; the lifting mechanism comprises at least two lifting components and at least two driving components; at least two of the lifting components are movably connected to the support arm, at least two of the driving components are provided on the support arm, each of the lifting components is connected to one of the driving components, and the controller is electrically connected to the driving components, and the controller is used to separately control each of the driving components to drive the corresponding lifting component to move relative to the battery box to lift the battery box; and simultaneously control at least two of the driving components to operate to drive at least two of the lifting components to carry the battery box to move, so as to calibrate the position of the battery box.

[0007] Optionally, the lifting mechanism further includes a slide rail and at least two sliders; the slide rail is mounted on the support arm, at least two sliders are slidably connected to the slide rail, and each of the lifting components is fixedly connected to one of the sliders.

[0008] Optionally, the lifting assembly includes a base plate and a lifting hook; the base plate is fixedly connected to the slider, the lifting hook is connected to the base plate, and the driving assembly is connected to the base plate, and the driving assembly is used to drive the base plate to slide on the slide rail to drive the lifting hook to move relative to the support arm.

[0009] Optionally, the lifting assembly further includes a first sensor; the first sensor is provided on the lifting hook, and when the driving assembly drives the lifting assembly to move relative to the battery box, the first sensor is used to sense the relative position between the lifting hook and the battery box.

[0010] Optionally, the support arm includes a telescopic mechanism; at least one lifting mechanism is connected to the telescopic mechanism, and the telescopic mechanism can be extended and retracted along a first direction to drive at least one of the lifting mechanisms to move along the first direction.

[0011] Optionally, the telescopic mechanism includes a plurality of telescopic units; the plurality of telescopic units are telescopically connected in sequence along the first direction.

[0012] Optionally, there are multiple lifting mechanisms, and the multiple lifting mechanisms are arranged at intervals along the first direction; each lifting mechanism includes at least two lifting components, and at least two lifting components are arranged at intervals along the second direction; the second direction intersects with the first direction.

[0013] Optionally, a lifting mechanism is further included; the lifting mechanism is connected to the telescopic mechanism, and the lifting mechanism is used to drive the telescopic mechanism to rise and fall.

[0014] Optionally, a second sensor is further included; the second sensor is provided on the hoisting assembly, and when the lifting mechanism drives the telescopic mechanism to lift, the second sensor is used to sense the relative position between the hoisting assembly and the upper cover.

[0015] In a second aspect, an embodiment of the present application proposes a battery swap station, comprising a battery lifting device as described in any one of the above embodiments.

[0016] In an embodiment of the present application, at least two lifting assemblies are movably connected to a support arm, at least two drive assemblies are provided on the support arm, each lifting assembly is connected to a drive assembly, and a controller is electrically connected to the drive assemblies. The controller controls each drive assembly to drive the corresponding lifting assembly to move relative to the battery box to lift the battery box; and simultaneously controls the at least two drive assemblies to operate to drive the at least two lifting assemblies to carry the battery box to move, so as to calibrate the position of the battery box. In this way, the controller first controls each lifting assembly to move to the optimal lifting position and then lifts the battery box. Then, the controller simultaneously controls the at least two lifting assemblies to carry the battery box and move together to calibrate the initial position of the battery box, thereby eliminating the initial positioning error of the battery box. After the battery box is placed in the guide device, unnecessary friction between the battery box and the guide device can be reduced, thereby increasing the service life of the battery box and the guide device.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a schematic diagram of a battery lifting device lifting a battery box according to an embodiment of the present application;

[0020] Figure 2 is a schematic diagram of the extension of the lifting assembly in the battery lifting equipment according to an embodiment of the present application;

[0021] Figure 3 is a partial structural diagram of a battery lifting device according to an embodiment of the present application;

[0022] Figure 4 2 is a schematic diagram of the retraction of the lifting assembly in the battery lifting equipment according to an embodiment of the present application;

[0023] Figure 5 This is one of the cross-sectional views of a battery lifting device lifting a battery box according to an embodiment of the present application;

[0024] Figure 6 yes Figure 5 An enlarged view of the circled section A;

[0025] Figure 7 This is a second cross-sectional view of a battery lifting device lifting a battery box according to an embodiment of the present application;

[0026] Figure 8 yes Figure 7 An enlarged view of the circled section B;

[0027] Figure 9 This is a third cross-sectional view of a battery lifting device for lifting a battery box according to an embodiment of the present application;

[0028] Figure 10 yes Figure 9 An enlarged view of the circled section C.

[0029] Reference numerals:

[0030] 1-support arm; 2-hoisting mechanism; 3-battery box; 4-second sensor; 5-first center line; 6-second center line; 7-adapter plate; 11-telescopic mechanism; 111-telescopic unit; 12-mounting part; 13-drive mechanism; 21-hoisting assembly; 22-drive assembly; 23-slide rail; 24-slider; 211-base plate; 212-hoisting hook; 213-first sensor; 31-hoisting frame; 32-upper cover; 33-housing shell; X-first direction; Y-second direction; Z-third direction. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0032] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly refer to one or more of the features. Throughout the description of this application, unless otherwise specified, "plurality" means two or more. Furthermore, "and / or" in the specification and claims refers to at least one of the connected entities, and the character " / " generally indicates an "or" relationship between the connected entities.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0035] The battery lifting equipment and battery swap station provided in the embodiments of the present application are described in detail below with reference to specific embodiments and their application scenarios in conjunction with the accompanying drawings.

[0036] In the battery swap station, the battery box 3 cannot be placed according to the preset position, resulting in a large initial positioning error of the battery box 3. In the prior art, a fixed hoist is usually used to lift the battery box 3, and then the battery box 3 is placed in a guide device. The guide device is a conveyor belt with multiple columns on both sides. Since the position of the battery box is relatively fixed after the battery box is lifted, there will be a position deviation between the battery box and the guide device during installation, causing the battery box to rub against the columns during the movement of the conveyor belt to eliminate the initial positioning error; since the guide device and the battery box 3 are both rigid devices, this method of eliminating the initial positioning error by hard friction is likely to affect the stability of the battery swap and aggravate the wear between the battery box 3 and the guide device, while reducing the service life of the battery box 3 and the guide device.

[0037] like Figures 1 to 4 As shown, the battery lifting equipment according to some embodiments of the present application includes: a support arm 1, at least one lifting mechanism 2 and a controller; the lifting mechanism 2 includes at least two lifting components 21 and at least two driving components 22; at least two lifting components 21 are movably connected to the support arm 1, and at least two driving components 22 are provided on the support arm 1, each lifting component 21 is connected to a driving component 22, and the controller is electrically connected to the driving component 22, and the controller is used to separately control each driving component 22 to drive the corresponding lifting component 21 to move relative to the battery box 3 to lift the battery box 3; and simultaneously control the operation of at least two driving components 22 to drive at least two lifting components 21 to carry the battery box 3 to move, so as to calibrate the position of the battery box 3.

[0038] In an embodiment of the present application, at least two lifting assemblies 21 are movably connected to the support arm 1, at least two drive assemblies 22 are provided on the support arm 1, each lifting assembly 21 is connected to a drive assembly 22, and a controller is electrically connected to the drive assemblies 22. The controller independently controls each drive assembly 22 to drive the corresponding lifting assembly 21 to move relative to the battery box 3 to lift the battery box 3; and simultaneously controls the at least two drive assemblies 22 to operate to drive the at least two lifting assemblies 21 to carry the battery box 3 to move to calibrate the position of the battery box 3. In this way, the controller first controls each lifting assembly 21 to move to an optimal lifting position and then lifts the battery box 3. Then, the controller simultaneously controls the at least two lifting assemblies 21 to carry the battery box 3 and move together to calibrate the initial position of the battery box 3, thereby eliminating the initial positioning error of the battery box 3. After the battery box 3 is placed in the guide device, unnecessary friction between the battery box 3 and the guide device can be reduced, thereby increasing the service life of the battery box 3 and the guide device.

[0039] In some embodiments, as Figure 1 As shown, the battery box 3 includes a lifting frame 31, an upper cover 32 and a shell 33; the shell 33 has a accommodating cavity, the battery cell is arranged in the accommodating cavity, the upper cover 32 covers the cavity opening of the accommodating cavity, the lifting frame 31 is connected to the shell 33, and there is a lifting space between the lifting frame 31 and the upper cover 32. The lifting assembly 21 passes through the lifting space and contacts the lifting frame 31, thereby lifting the battery box 3.

[0040] It is understandable that if Figure 1 As shown, the hanging frame 31 can be arranged in a rectangular shape; when the hanging frame 31 is arranged in a rectangular shape, the hanging frame 31 can be composed of multiple square tubes, and the part of the square tube in contact with the hanging hook 212 is the hanging part, and the hanging hook 212 hangs the battery box 3 through the hanging part.

[0041] In some other embodiments, Figure 2 As shown, the battery lifting device further includes an adapter plate 7 , which is fixedly mounted on the support arm 1 , and at least two lifting components 21 and at least two driving components 22 are arranged on a side of the adapter plate 7 away from the support arm 1 .

[0042] In other embodiments, the calibration process of the battery box 3 is as follows: Figures 5 to 10 As shown. The calibration process of the battery box 3 can be divided into three states, namely the initial state, the intermediate state and the final state. Figures 5 and 6 As shown, the battery box 3 is in an initial state, the support arm 1 has a first center line 5, the battery box 3 has a second center line 6, and the first center line 5 of the support arm 1 and the second center line 6 of the battery box 3 do not overlap. Figure 6 The lifting hook 212 in the lifting assembly 21 on the right side does not contact the lifting frame 31; Figures 7 and 8As shown, the battery box 3 is in the middle state, the first center line 5 of the support arm 1 and the second center line 6 of the battery box 3 do not coincide, and the controller controls Figure 8 The lifting hook 212 in the lifting assembly 21 on the right side continues to move so that the lifting hook 212 contacts the lifting frame 31. At this time, the lifting assembly 21 can lift the battery box 3; Figures 9 and 10 As shown, the battery box 3 is in the final state. At this time, the controller simultaneously controls at least two driving components 22 to operate to drive at least two lifting components 21 to carry the battery box 3 to move, so that the first center line 5 of the support arm 1 and the second center line 6 of the battery box 3 coincide with each other, thereby achieving the purpose of calibrating the battery box 3 and eliminating the initial positioning error of the battery box 3.

[0043] Alternatively, as Figure 3 As shown, the lifting mechanism 2 further includes a slide rail 23 and at least two sliders 24 ; the slide rail 23 is mounted on the support arm 1 , at least two sliders 24 are slidably connected to the slide rail 23 , and each lifting assembly 21 is fixedly connected to a slider 24 .

[0044] In the embodiment of the present application, a slide rail 23 is mounted on the support arm 1, at least two sliders 24 are slidably connected to the slide rail 23, and each hanging assembly 21 is fixedly connected to a slider 24. In this way, by slidably connecting the hanging assembly 21 to the slide rail 23, the hanging assembly 21 can slide on the slide rail 23, and the relative position between the two hanging assemblies 21 can be easily adjusted.

[0045] In some embodiments, as Figure 3 As shown, at least two drive assemblies 22 are disposed on both sides of the adapter plate 7 along the first direction X, and a slide rail 23 is fixedly connected to the adapter plate 7 and disposed between the at least two drive assemblies 22. Thus, by rationally arranging the drive assemblies 22 and the slide rail 23 on the adapter plate 7, the space on the adapter plate 7 is fully utilized, which helps to reduce the size of the lifting mechanism 2.

[0046] Optionally, the lifting assembly 21 includes a base plate 211 and a lifting hook 212; the base plate 211 is fixedly connected to the slider 24, the lifting hook 212 is connected to the base plate 211, and the driving assembly 22 is connected to the base plate 211. The driving assembly 22 is used to drive the base plate 211 to slide on the slide rail 23 to drive the lifting hook 212 to move relative to the support arm 1.

[0047] In the embodiment of the present application, the bottom plate 211 is fixedly connected to the slider 24, the lifting hook 212 is connected to the bottom plate 211, and the driving assembly 22 is connected to the bottom plate 211. In this way, the driving assembly 22 drives the bottom plate 211 to slide on the slide rail 23, thereby driving the lifting hook 212 to move relative to the support arm 1, so that the lifting hook 212 moves to the optimal lifting position to lift the battery box 3.

[0048] In some other embodiments, the driving assembly 22 includes a driving member and a transmission member; the driving member is provided on the adapter plate 7, the transmission member is movably connected to the driving member, the base plate 211 is fixedly connected to the transmission member, the driving member drives the transmission member to move, and drives the base plate 211 to slide on the slide rail 23 through the transmission member.

[0049] It should be noted that the driving part can be a motor, a cylinder, a hydraulic cylinder, etc., and the transmission part can be a rack, a transmission rod, a screw, etc., and the embodiments of the present application do not limit this.

[0050] Alternatively, as Figures 5 to 8 As shown, the lifting assembly 21 also includes a first sensor 213; the first sensor 213 is arranged on the lifting hook 212, and when the driving assembly 22 drives the lifting assembly 21 to move relative to the battery box 3, the first sensor 213 is used to sense the relative position between the lifting hook 212 and the battery box 3.

[0051] In the embodiment of the present application, by providing the first sensor 213 on the lifting hook 212, the first sensor 213 senses the relative position between the lifting hook 212 and the battery box 3. Thus, when the driving assembly 22 drives the lifting assembly 21 to move relative to the battery box 3, the controller can accurately adjust the horizontal distance between the lifting hook 212 and the lifting frame 31 based on the relative position between the lifting hook 212 and the battery box 3, so as to facilitate the movement of the lifting hook 212 to the optimal lifting position for lifting the battery box 3. At the same time, it can also prevent the lifting hook 212 from moving too much, causing a collision between the lifting hook 212 and the lifting frame 31, and prevent the lifting hook 212 from not moving into position and being unable to lift the battery box 3.

[0052] In some embodiments, as Figures 3 to 8 As shown, the first sensor 213 is disposed on a side of the hanging hook 212 close to the hanging frame 31 , and the first sensor 213 may be a non-contact sensor, such as an infrared sensor, a laser sensor, and the like.

[0053] In some other embodiments, Figures 5 and 6 As shown, Figure 6 The left and right lifting hooks 212 are symmetrically arranged along the first center line 5; the controller simultaneously controls the driving assembly 22 to move the left and right lifting hooks 212 to the lifting frame 31 at the same time. Because the battery box 3 has an initial positioning error, Figure 6 The lifting hook 212 on the left side has reached the best lifting position, and Figure 6 There is still a certain distance between the lifting hook 212 on the right side and the lifting frame 31. At this time, the non-contact sensor senses that there is still a certain horizontal distance L between the lifting hook 212 and the lifting frame 31. The controller controls the horizontal distance L based on the real-time sensing of the non-contact sensor. Figure 6The lifting hook 212 on the right side of the center continues to approach the lifting frame 31; Figures 7 and 8 As shown, when the horizontal distance L is 0, that is, Figure 8 The lifting hook 212 on the right side of the middle reaches the best lifting position, at which time the lifting hook 212 can lift the battery box 3. Figures 9 and 10 As shown, the controller controls the lifting hooks 212 on the left and right sides to move L / 2 to the left at the same time so that the first center line 5 of the support arm 1 and the second center line 6 of the battery box 3 coincide with each other, thereby achieving the purpose of calibrating the battery box 3 to eliminate the initial positioning error of the battery box 3.

[0054] In other embodiments, the first sensor 213 can also be a contact sensor, which is arranged on the side of the lifting hook 212 close to the lifting frame 31. When the contact sensor contacts the lifting frame 31, the lifting hook 212 has reached the optimal lifting position. At this time, the controller controls the lifting hook 212 to no longer move left and right.

[0055] Alternatively, as Figure 1 As shown, the support arm 1 includes a telescopic mechanism 11; at least one lifting mechanism 2 is connected to the telescopic mechanism 11, and the telescopic mechanism 11 can be telescoped along the first direction X to drive the at least one lifting mechanism 2 to move along the first direction X.

[0056] In the embodiment of the present application, at least one lifting mechanism 2 is connected to the telescopic mechanism 11. In this way, when the telescopic mechanism 11 is extended and retracted along the first direction X, the at least one lifting mechanism 2 can be driven to move along the first direction X, so as to drive the lifting assembly 21 to be located above the battery box 3.

[0057] It is understandable that if Figure 1 As shown, the telescopic direction of the telescopic mechanism 11 is the first direction X, the direction in which the lifting assembly 21 slides on the slide rail 23 is the second direction Y, and the third direction Z is perpendicular to the first direction X and the second direction Y respectively.

[0058] In some embodiments, the support arm 1 further includes a driving mechanism 13 , which is connected to the telescopic mechanism 11 , and is configured to drive the telescopic mechanism 11 to telescope along the first direction X.

[0059] Alternatively, as Figure 1 As shown, the telescopic mechanism 11 includes a plurality of telescopic units 111 ; the plurality of telescopic units 111 are telescopically connected in sequence along a first direction X.

[0060] In the embodiment of the present application, multiple telescopic units 111 are arranged to be telescopically connected in sequence along the first direction X. This allows the telescopic mechanism 11 to flexibly adjust its length during telescoping to suit different application scenarios. For example, when the telescopic mechanism 11 is far from the battery compartment 3, the drive mechanism 13 can drive multiple telescopic units 111 to telescope simultaneously; when the telescopic mechanism 11 is close to the battery compartment 3, the drive mechanism 13 can drive a single telescopic unit 111 to telescope.

[0061] In some embodiments, when the telescopic mechanism 11 is a telescopic fork, the multiple telescopic units 111 correspond to the primary fork, the secondary fork, and the tertiary fork, respectively. The secondary fork can be telescoped relative to the primary fork, and the tertiary fork can be telescoped relative to the secondary fork. The movement speed of the secondary fork can be different from the movement speed of the tertiary fork. For example, the movement speed of the tertiary fork can be twice that of the secondary fork. In this case, the lifting assembly 21 is mounted on the tertiary fork.

[0062] Alternatively, as Figures 2 to 3 As shown, there are multiple lifting mechanisms 2, and the multiple lifting mechanisms 2 are arranged at intervals along the first direction X; each lifting mechanism 2 includes at least two lifting components 21, and at least two lifting components 21 are arranged at intervals along the second direction Y; the second direction Y intersects with the first direction X.

[0063] In the embodiment of the present application, multiple lifting mechanisms 2 are spaced apart along the first direction X, and at least two lifting assemblies 21 are spaced apart along the second direction Y, so that the lifting hook 212 can lift the battery box 3 more smoothly.

[0064] In some embodiments, as Figure 2 and Figure 3 As shown, there can be two lifting mechanisms 2, and the two lifting mechanisms 2 are arranged at intervals along the first direction X; each lifting mechanism 2 includes two lifting components 21, and the two lifting components 21 are arranged at intervals along the second direction Y; each lifting mechanism 2 includes two lifting hooks 212, and the two lifting hooks 212 are arranged at intervals along the second direction Y.

[0065] Optionally, a lifting mechanism is further included; the lifting mechanism is connected to the telescopic mechanism 11, and the lifting mechanism is used to drive the telescopic mechanism 11 to move up and down.

[0066] In the embodiment of the present application, the lifting mechanism is connected to the telescopic mechanism 11, so that the telescopic mechanism 11 can be lifted and lowered along the third direction Z, thereby adjusting the relative position between the lifting hook 212 and the lifting frame 31, thereby facilitating the lifting hook 212 to lift the battery box 3.

[0067] In some embodiments, the multiple telescopic units 111 include a final telescopic unit 111 and a primary telescopic unit 111. The final telescopic unit 111 is connected to a lifting mechanism, and a lifting hook 212 is mounted on the primary telescopic unit 111. The final telescopic unit 111 is provided with a mounting portion 12, which has multiple through-holes. Multiple fasteners pass through the through-holes to connect to the lifting mechanism. The lifting mechanism can drive the final telescopic unit 111 to move along the third direction Z, thereby driving the primary telescopic unit 111 up and down, thereby driving the lifting hook 212 toward or away from the lifting frame 31.

[0068] Alternatively, as Figures 1 to 6 As shown, a second sensor 4 is also included; the second sensor 4 is provided on the hoisting assembly 21 , and when the lifting mechanism drives the telescopic mechanism 11 to move up and down, the second sensor 4 is used to sense the relative position between the hoisting assembly 21 and the upper cover 32 .

[0069] In the embodiment of the present application, the second sensor 4 is provided on the hoisting assembly 21 to sense the relative position between the hoisting assembly 21 and the upper cover 32. Thus, when the lifting mechanism drives the telescopic mechanism 11 to move up and down to approach the battery box 3, the controller can precisely adjust the vertical distance between the hoisting assembly 21 and the upper cover 32 based on their relative positions, thereby preventing the hoisting assembly 21 from moving excessively and damaging the upper cover 32, or preventing the hoisting assembly 21 from moving insufficiently and failing to lift the battery box 3.

[0070] In some embodiments, as Figure 3 As shown, the second sensor 4 can be arranged opposite to the first sensor 213, that is, the second sensor 4 is arranged on the side of the lifting hook 212 away from the first sensor 213. Of course, the second sensor 4 can also be arranged on the side of the lifting hook 212 close to the upper cover 32, and the embodiment of the present application is not limited thereto.

[0071] In other embodiments, the second sensor 4 can be configured as a non-contact sensor, such as an infrared sensor, a laser sensor, etc. Figure 6 As shown, the second sensor 4 can also be a contact sensor. When the contact sensor contacts the upper cover 32 , the lifting hook 212 no longer moves up and down, and the controller controls the lifting hook 212 to move left and right to approach the lifting frame 31 .

[0072] In a second aspect, an embodiment of the present application proposes a battery swap station, comprising a battery lifting device as in any one of the above embodiments.

[0073] In an embodiment of the present application, at least two lifting assemblies 21 are movably connected to the support arm 1, at least two drive assemblies 22 are provided on the support arm 1, each lifting assembly 21 is connected to a drive assembly 22, and a controller is electrically connected to the drive assemblies 22. The controller independently controls each drive assembly 22 to drive the corresponding lifting assembly 21 to move relative to the battery box 3 to lift the battery box 3; and simultaneously controls the at least two drive assemblies 22 to operate to drive the at least two lifting assemblies 21 to carry the battery box 3 to move to calibrate the position of the battery box 3. In this way, the controller first controls each lifting assembly 21 to move to an optimal lifting position and then lifts the battery box 3. Then, the controller simultaneously controls the at least two lifting assemblies 21 to carry the battery box 3 and move together to calibrate the initial position of the battery box 3, thereby eliminating the initial positioning error of the battery box 3. After the battery box 3 is placed in the guide device, unnecessary friction between the battery box 3 and the guide device can be reduced, thereby increasing the service life of the battery box 3 and the guide device.

[0074] The lifting process of the battery box 3 by the battery lifting equipment provided in the embodiment of the present application specifically includes: the battery box 3 is placed at the charging position of the battery swap station, and the telescopic mechanism 11 is extended along the first direction X to drive the lifting assembly 21 to extend along the first direction X until the lifting assembly 21 is directly above the battery box 3; the lifting mechanism drives the telescopic mechanism 11 to descend along the third direction Z to drive the lifting assembly 21 to descend along the third direction Z to a preset height, so that the lifting hook 212 in the lifting assembly 21 is located between the upper cover 32 and the lifting frame 31; then, the controller controls the lifting hook 212 to move along the first direction X to lift the battery box 3 and calibrate the position of the battery box 3; finally, the lifting assembly drives the telescopic mechanism 11 to rise along the third direction Z to place the battery box 3 into the guiding device.

[0075] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0076] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A battery lifting device, characterized in that: include: a support arm, at least one lifting mechanism, and a controller; The hoisting mechanism includes at least two hoisting components and at least two driving components; At least two of the hoisting assemblies are movably connected to the support arm, at least two of the drive assemblies are provided on the support arm, each of the hoisting assemblies is connected to one of the drive assemblies, and the controller is electrically connected to the drive assemblies. The controller is used to separately control each of the drive assemblies to drive the corresponding hoisting assembly to move relative to the battery box to lift the battery box; And simultaneously controlling at least two of the driving components to operate so as to drive at least two of the hoisting components to carry the battery box to move, so as to calibrate the position of the battery box.

2. The battery lifting equipment according to claim 1, characterized in that: The hoisting mechanism further includes a slide rail and at least two sliders; The slide rail is mounted on the support arm, at least two sliders are slidably connected to the slide rail, and each of the hanging components is fixedly connected to one slider.

3. The battery hoisting equipment according to claim 2, characterized in that: The hoisting assembly includes a base plate and a hoisting hook; The base plate is fixedly connected to the slider, the lifting hook is connected to the base plate, and the driving assembly is connected to the base plate. The driving assembly is used to drive the base plate to slide on the slide rail to drive the lifting hook to move relative to the support arm.

4. The battery hoisting equipment according to claim 3, characterized in that: The hoisting assembly further includes a first sensor; The first sensor is provided on the lifting hook. When the driving assembly drives the lifting assembly to move relative to the battery box, the first sensor is used to sense the relative position between the lifting hook and the battery box.

5. The battery hoisting equipment according to claim 1, characterized in that: The support arm includes a telescopic mechanism; At least one hoisting mechanism is connected to the telescopic mechanism, and the telescopic mechanism can be telescoped along a first direction to drive the at least one hoisting mechanism to move along the first direction.

6. The battery hoisting equipment according to claim 5, characterized in that: The telescopic mechanism includes a plurality of telescopic units; the plurality of telescopic units are sequentially telescopically connected along the first direction.

7. The battery hoisting equipment according to claim 5, characterized in that: There are multiple hoisting mechanisms, and the multiple hoisting mechanisms are arranged at intervals along the first direction; each hoisting mechanism includes at least two hoisting components, and at least two hoisting components are arranged at intervals along the second direction; the second direction intersects with the first direction.

8. The battery hoisting equipment according to claim 5, characterized in that: It also includes a lifting mechanism; the lifting mechanism is connected to the telescopic mechanism, and the lifting mechanism is used to drive the telescopic mechanism to move up and down.

9. The battery hoisting equipment according to claim 8, characterized in that: Also including a second sensor; The second sensor is provided on the hoisting assembly. When the lifting mechanism drives the telescopic mechanism to move up and down, the second sensor is used to sense the relative position between the hoisting assembly and the upper cover of the battery box.

10. A battery swap station, characterized in that: The invention comprises the battery lifting device as described in any one of claims 1 to 9.

Images