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WO2023098907A1 - Système d'étalonnage de véhicule, station d'échange de batteries et procédé d'échange de batteries - Google Patents

Système d'étalonnage de véhicule, station d'échange de batteries et procédé d'échange de batteries Download PDF

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Publication number
WO2023098907A1
WO2023098907A1 PCT/CN2022/136339 CN2022136339W WO2023098907A1 WO 2023098907 A1 WO2023098907 A1 WO 2023098907A1 CN 2022136339 W CN2022136339 W CN 2022136339W WO 2023098907 A1 WO2023098907 A1 WO 2023098907A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
battery
carrying platform
leveling
power exchange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/136339
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English (en)
Chinese (zh)
Inventor
张建平
朱明厚
庄智敏
胡海龙
刘青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
Original Assignee
Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aulton New Energy Automotive Technology Co Ltd, Shanghai Dianba New Energy Technology Co Ltd filed Critical Aulton New Energy Automotive Technology Co Ltd
Publication of WO2023098907A1 publication Critical patent/WO2023098907A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the invention relates to a vehicle calibration system, a battery swapping station and a battery swapping method.
  • the battery swapping station is used for battery swapping of electric vehicles.
  • the vehicle drives into the swapping station.
  • the related equipment in the swapping station removes the battery that has lost power on the vehicle, and then replaces the fully charged battery stored in the swapping station.
  • the battery is installed on the vehicle, and after the battery replacement is completed, the vehicle drives out of the vehicle-carrying platform.
  • the positioning accuracy of the vehicle directly affects the work of dismantling and installing the battery of related equipment.
  • the related equipment, battery and vehicle are mechanically worn due to the low positioning accuracy of the vehicle, and even during battery replacement. Stuck situation.
  • the technical problem to be solved by the present invention is to overcome the defects of mechanical wear caused by poor positioning of the battery swapping equipment, batteries and vehicles during the battery swapping process, and provide a vehicle calibration system, a swapping station and a battery swapping method.
  • a vehicle calibration system comprising:
  • the vehicle-carrying platform is used to drive the electric vehicle carried on it for lifting movement;
  • the battery exchange equipment is used to exchange electricity for the vehicles on the vehicle-carrying platform.
  • the battery exchange equipment is provided with a disassembly mechanism and a leveling piece.
  • the disassembly mechanism is used to unlock or lock the vehicles on the vehicle.
  • the leveling part has a plurality of calibration surfaces for contacting with the vehicle, and each of the calibration surfaces is located in the same plane;
  • the leveling member supports the vehicle.
  • the relative positional relationship between the vehicle and the dismounting mechanism is calibrated through the leveling parts, which ensures that the dismounting mechanism can accurately cooperate with the locking parts, thereby reducing the gap between the replacement equipment, the vehicle and the battery due to the lack of positioning accuracy.
  • the risk of mechanical wear is high, and it can effectively avoid the jamming between the battery replacement equipment and the battery during the battery replacement process, which helps to improve the power replacement efficiency.
  • the plane where each calibration surface is located is parallel to the plane where the dismounting mechanism is located.
  • the plane where each calibration surface is located is parallel to the plane where the disassembly mechanism is located, which can ensure that the plane where the chassis and battery locking parts are located is parallel to the disassembly mechanism, thereby ensuring that the disassembly mechanism is accurately matched with the locking parts , improve the accuracy and efficiency of battery replacement.
  • the leveling member includes a plurality of leveling columns, the heights of the plurality of leveling columns are the same, and the top surfaces of the leveling columns form the calibration surface.
  • the top surfaces of multiple leveling columns form a calibration surface, and the heights of each calibration column are the same to ensure that multiple calibration surfaces are located in the same plane, and the leveling member has a simple structure and high calibration accuracy.
  • the power exchange device includes a device body and an installation base, the dismounting mechanism is arranged on the device body, and the installation base is installed on the device body around the outer edge of the device body , the installation base is arranged outside the dismounting mechanism, and the leveling column is arranged on the installation base.
  • the leveling column is installed on the outer edge of the equipment body through the installation base.
  • the leveling column is located outside the disassembly mechanism.
  • the disassembly mechanism is aligned with the position of the battery.
  • the leveling column can avoid the battery, which can effectively avoid The leveling column collides with the battery.
  • the leveling column is installed on the equipment body through the installation base, so that the leveling column can be directly installed on the existing power exchange equipment, without other improvements to the existing power exchange equipment, the transformation cost is low, and it can realize Modular assembly, easy disassembly and maintenance.
  • the power exchange device further includes an adjustment part, the adjustment part is respectively connected to the device body and the installation base, and the adjustment part is configured to drive the installation base along the horizontal direction and/or Or move vertically relative to the device body.
  • the optimal support point can be selected according to the vehicle model, which can not only level different types of vehicles, but also maximize the protection Vehicles, improving the universality of battery replacement equipment for various types of electric vehicles.
  • using the adjustment part to control the vertical position of the leveling column can also be used to control the lifting of the vehicle, and this function can be used in conjunction with the lifting function of the vehicle-carrying platform.
  • the adjustment part includes a guide rail and a slider
  • the guide rail is installed on the device body
  • the slider is movably arranged on the guide rail
  • the installation base is connected to the slider
  • the adjustment part includes a rotating assembly with a rotating shaft, the rotating assembly is arranged on the device body, the rotating shaft is connected with the installation base, and the rotating assembly is used to rotate the rotating shaft translates into linear motion of the mounting base.
  • the adjustment part includes a guide rail and a slider, or the adjustment part adopts a rotating assembly, and the adjustment part has a simple structure and is easy to use.
  • moving the slider can drive the installation base to slide on the guide rail to realize the position adjustment of the leveling column.
  • the rotating component structure is adopted, and the rotating shaft can drive the installation base to move to realize the position adjustment of the leveling column.
  • the adjusting part further includes a power element, the power element is arranged on the device body, and the power element is connected with the slider or the rotating shaft.
  • the power element is used to drive the slider to move or to drive the rotating shaft to rotate, which is beneficial to improve the adjustment efficiency and adjustment accuracy.
  • positioning pins are also provided on the power exchange equipment, and positioning holes for accommodating the positioning pins are opened on the chassis of the vehicle.
  • the positioning pin and the positioning hole cooperate with each other. After the positioning pin is inserted into the positioning hole, the relative positional relationship between the vehicle and the power exchange equipment can be determined, and the vehicle chassis and the leveling column as well as the battery and the disassembly mechanism can be effectively guaranteed. Alignment accuracy.
  • the power exchange equipment is further provided with a lifting mechanism, and the lifting mechanism is respectively connected with the dismounting mechanism and the positioning pin.
  • the lifting mechanism can drive the dismounting mechanism and the positioning pin up and down, so that the disassembling mechanism contacts or separates from the locking member, and the positioning pin is inserted into or removed from the positioning hole.
  • the positioning pin can be realized by controlling the positioning pin to move upward until it is inserted into the positioning control through the lifting mechanism, or it can be realized by controlling the vehicle to move downward until the positioning pin is inserted in the positioning hole, or by simultaneously controlling The vehicle moves downward, and the positioning pin moves upward until the positioning pin is plugged into the positioning hole.
  • the top of the positioning pin is higher than the calibration surface of the leveling member.
  • This scheme can realize the rough positioning of the vehicle by first controlling the positioning pin to be inserted into the positioning hole, and then use the leveling column to correct the position of the vehicle to achieve precise positioning, ensuring the accuracy of the positional relationship between the battery pack and the disassembly mechanism; It avoids the risk that the positioning pin cannot be inserted into the positioning hole because the positioning pin is lower than the leveling column and the leveling column interferes with the vehicle.
  • a detection element is also provided on the battery swapping device, and the detection element is used to detect whether the calibration surface is in contact with the vehicle.
  • the detection result of the detection element it is judged whether the vehicle has reached the preset state, and the calibration accuracy is high.
  • the vehicle-loading platform includes a front lifting mechanism corresponding to the front wheels of the vehicle and a rear lifting mechanism corresponding to the rear wheels of the vehicle, and the power exchange device is between the front lifting mechanism and the rear lifting mechanism Replace the vehicle.
  • the vehicle-carrying platform and the leveling member jointly lift the vehicle when the dismounting mechanism unlocks or locks the locking member.
  • the vehicle is controlled to be in contact with the calibration surface while ensuring that the wheels do not leave the vehicle-carrying platform.
  • the leveling parts and the vehicle-carrying platform jointly support the vehicle. Thereby the vehicle-carrying platform can share the load of the leveling parts, and the force borne by each leveling part is reduced, thus improving the life of the leveling parts.
  • the vehicle-carrying platform has a first lifting height and a second lifting height.
  • the vehicle carried on the vehicle-carrying platform is higher than the leveling height. parts; when the vehicle-carrying platform is at the second lifting height, the vehicle-carrying platform is not higher than the leveling member.
  • the vehicle-carrying platform when the vehicle-carrying platform is at the first lifting height, the lower surface of the vehicle is higher than the calibration surface of the leveling piece, and the power exchange equipment can drive under the vehicle on the vehicle-carrying platform; the vehicle-carrying platform is at the second When the lifting height is high, the upper surface of the vehicle-carrying platform is not higher than the upper surface of the leveling piece, and the leveling piece supports the vehicle or the vehicle-carrying platform and the leveling piece jointly lift the vehicle.
  • a battery swapping station comprising the vehicle calibration system described in any one of the above items.
  • Control the power exchange equipment to drive into and position under the vehicle on the vehicle-carrying platform, so that the power exchange equipment is aligned with the position of the battery on the vehicle;
  • the dismounting mechanism is controlled to disassemble the battery on the vehicle or install the battery to be installed on the vehicle.
  • the vehicle is supported by leveling parts, so that the vehicle reaches the preset state, and the precise positioning of the locking parts and the disassembly mechanism is realized, and then the battery is disassembled and installed by the disassembly mechanism, which improves the progress of battery replacement. It reduces the risk of mechanical wear caused by low positioning accuracy between the battery replacement equipment, the vehicle and the battery, and can effectively avoid jamming between the battery replacement equipment and the battery during the battery replacement process, which helps to improve the efficiency of battery replacement.
  • the step of vertically adjusting the relative position between the vehicle-carrying platform and the power exchange equipment so that the leveling member supports the vehicle includes:
  • Control the relative movement of the vehicle-carrying platform and the leveling member and detect in real time whether each calibration surface is in contact with the vehicle. If all the calibration surfaces are in contact with the vehicle, the vehicle-carrying platform and the leveling member stop relative movement, and the leveling member supports the vehicle.
  • the movement of the vehicle-carrying platform and the leveling piece is controlled through detection to ensure that each calibration surface is in contact with the vehicle, and the calibration accuracy is high.
  • the following steps are further included:
  • the front lifting mechanism, the rear lifting mechanism and each leveling column jointly lift the vehicle, so that the vehicle-loading platform can share the load of the leveling parts, and the force borne by each leveling part is reduced, thereby improving the leveling
  • the life of the flat parts, and the stability of the vehicle is better because there are more support points.
  • the step of controlling the power exchange equipment to drive into and position under the vehicle on the vehicle-carrying platform, so that the power exchange equipment is aligned with the position of the battery on the vehicle includes:
  • the relative movement between the vehicle-carrying platform and the battery exchange equipment is controlled.
  • the positioning pin on the battery exchange equipment is inserted into the positioning hole on the vehicle chassis, The power exchange equipment is aligned with the battery on the vehicle.
  • the positioning pin is controlled to be inserted into the positioning hole to determine the relative positional relationship between the vehicle and the power exchange equipment, which can effectively ensure the alignment accuracy between the vehicle chassis and the leveling column, as well as the battery and the disassembly mechanism.
  • the step of controlling the power exchange equipment to drive into and position under the vehicle on the vehicle-carrying platform, so as to align the power exchange equipment with the battery on the vehicle further includes the following steps:
  • the vehicle model of the vehicle is obtained, and the relative position of the leveling column relative to the device body is adjusted along the horizontal direction and/or vertical direction according to the vehicle model information.
  • the position of the leveling column is adjusted according to the vehicle model information, and a better support point can be selected according to the vehicle model.
  • the invention calibrates the relative positional relationship between the vehicle and the dismounting mechanism through the leveling piece, ensuring that the dismounting mechanism can accurately cooperate with the locking piece, thereby reducing the gap between the power exchange equipment, the vehicle, and the battery due to low positioning accuracy. There is no risk of mechanical wear, and it can effectively avoid the jamming between the battery replacement equipment and the battery during the battery replacement process, which helps to improve the power replacement efficiency.
  • FIG. 1 is a schematic structural diagram of a vehicle calibration system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a power exchange device according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a battery replacement method according to an embodiment of the present invention.
  • vehicle calibration system 100 vehicle loading platform 1; front lifting mechanism 11; rear lifting mechanism 12; power exchange equipment 2; Hollow column 222; Leveling block 223; Mounting plate 224; Equipment body 23; Mounting base 24
  • An embodiment of the present invention provides a battery swapping station, which is used for battery swapping of electric vehicles.
  • the vehicle drives into the swapping station, and after the vehicle is precisely positioned, the related equipment in the swapping station removes the exhausted battery on the vehicle, and then The fully charged battery stored in the battery swap station is installed on the vehicle, and the vehicle drives out of the vehicle-carrying platform 1 after the battery swap is completed.
  • the battery swap station includes a vehicle correction system. When a vehicle enters the battery swap station, the vehicle correction system corrects the position of the vehicle so that the vehicle is in a preset state for the relevant equipment to exchange electricity for the vehicle.
  • An embodiment of the present invention provides a vehicle calibration system 100 used in the above-mentioned battery swapping station.
  • the vehicle rectification system includes a vehicle loading platform 1 and a power exchange device 2 .
  • the vehicle-carrying platform 1 is used to drive the electric vehicle carried on it to perform lifting movement;
  • the power exchange device 2 is used to exchange power for the vehicles on the vehicle-carrying platform 1 .
  • the vehicle-loading platform 1 initially positions the vehicle in the horizontal direction, and the battery replacement device 2 accurately positions the vehicle so that the vehicle is in a preset state, then removes the dead battery on the vehicle, and then installs a fully charged The battery is replaced.
  • the power exchange equipment 2 is provided with a disassembly mechanism 21 and a leveling piece 22.
  • the leveling piece 22 is used to precisely position the vehicle so that the vehicle is in a preset state.
  • the disassembly mechanism 21 is used to unlock or lock the vehicle for Lock the locking part of the battery.
  • the leveling part 22 is brought into contact with the vehicle, and the vehicle is supported by the leveling part 22, thereby realizing the leveling of the vehicle.
  • the positions of the dismounting mechanism 21 and the locking member are accurately positioned, and the dismounting mechanism 21 can perform the operation of disassembling and installing the battery of the vehicle.
  • the leveling member 22 has a plurality of calibration surfaces 221 for contacting with the vehicle, and each calibration surface 221 is located in the same plane. By making each calibration surface 221 contact with the vehicle, the precise positioning of the vehicle is realized, so that the vehicle is in a preset state ; During the process of unlocking or locking the locking member by the dismounting mechanism 21, the leveling member 22 supports the vehicle.
  • the overall process of vehicle battery replacement is as follows: the vehicle drives into the vehicle-carrying platform 1, and the vehicle-carrying platform 1 positions the front and rear wheels in the front-rear direction and the left-right direction, so as to realize the preliminary positioning of the vehicle in the horizontal direction; use the vehicle-carrying platform 1 Lift the vehicle so that the power exchange equipment 2 can smoothly drive into and out of the vehicle; control the unloaded power exchange equipment 2 to drive directly under the electric vehicle; The surface 221 is attached to the vehicle chassis, so that the vehicle is stably parked under the preset state; the dismounting mechanism 21 is controlled to remove the dead battery on the vehicle, and the battery is transported to the vehicle without interfering with the vehicle platform 1 At the battery storage rack, control the power exchange equipment 2 to transport the fully charged battery on the battery storage rack to the right below the vehicle, and use the leveling piece 22 to support the vehicle, so that the vehicle can be parked stably under the preset state, and the disassembly and assembly
  • the mechanism 21 installs the fully charged battery on
  • the present embodiment calibrates the relative positional relationship between the vehicle and the dismounting mechanism 21 through the leveling member 22, ensuring that the dismounting mechanism 21 can accurately cooperate with the locking member, thereby reducing the cost of power exchange equipment, vehicles and The risk of mechanical wear caused by the low positioning accuracy between the batteries can effectively avoid the jamming between the battery replacement equipment and the battery during the battery replacement process, which helps to improve the power replacement efficiency.
  • the plane where each calibration surface 221 is located is parallel to the plane where the assembly and disassembly mechanism 21 is located, so as to ensure that the plane where the vehicle chassis and battery locking parts are located is parallel to the assembly and disassembly mechanism 21, thereby ensuring that the assembly and disassembly mechanism 21 Accurately cooperate with the locking parts to improve the accuracy and efficiency of battery replacement.
  • the vehicle-carrying platform 1 has a first lifting height and a second lifting height. When the vehicle-carrying platform 1 is at the first lifting height, the vehicle carried on the vehicle-carrying platform 1 is higher than the leveling member 22; the vehicle-carrying platform 1 is located at At the second lifting height, the vehicle-loading platform 1 is not higher than the leveling member 22 .
  • the vehicle-mounted platform 1 when the vehicle-mounted platform 1 is at the first lifting height, the lower surface of the vehicle is higher than the calibration surface 221 of the leveling member 22, and at this time the power exchange equipment 2 can smoothly drive under the vehicle carried on the vehicle-mounted platform 1 ;
  • the vehicle-carrying platform 1 is at the second lift height, the upper surface of the vehicle-carrying platform 1 is not higher than the upper surface of the leveling member 22, and the vehicle is supported by the leveling member 22 or passes through the leveling member 22 and the vehicle-carrying platform 1 together. lifting.
  • the vehicle-loading platform 1 includes a front lifting mechanism 11 and a rear lifting mechanism 12, the front lifting mechanism 11 corresponds to the front wheel of the vehicle, the rear lifting mechanism 12 corresponds to the rear wheel of the vehicle, and the front lifting mechanism 11 and the rear
  • the lifting mechanism 12 can be lifted and lowered synchronously to control the height of the vehicle.
  • the two can also be lifted and lowered separately to meet the needs of the power station.
  • Front lifting mechanism 11 and rear lifting mechanism 12 adopt the existing lifting equipment with lifting function to realize.
  • a passage is formed between the front lifting mechanism 11 and the rear lifting mechanism 12, and the passage is used for the power exchange equipment 2 to drive in and out.
  • the power exchange equipment 2 is between the front lift mechanism 11 and the rear lift mechanism 12.
  • the vehicle-loading platform 1 has a moving plate, which can be moved between the front lifting mechanism 11 and the rear lifting mechanism 12 and is blocked above the passage, so that the wheels can move forward from the rear lifting mechanism 12 to the front lifting mechanism 11 to move
  • the board can also be removed from above the channel to make room for the battery swapping device 2 to perform the battery swapping operation on the vehicle.
  • the calibration surface 221 is used to fit the chassis of the vehicle.
  • the position of the calibration surface 221 is determined according to the positional relationship between the vehicle and the dismounting mechanism 21.
  • the calibration surface 221 avoids the position of the battery and faces the lower surface of the vehicle chassis.
  • Each calibration surface 221 is pre-leveled to ensure the position accuracy of the vehicle; setting multiple calibration surfaces 221 can ensure the stability of the vehicle.
  • one leveling piece 22 has one calibration surface 221 , while in other embodiments, as an alternative, one leveling piece 22 may have multiple calibration surfaces 221 .
  • the vehicle-loading platform 1 lifts the vehicle together with the leveling member 22 during the process of unlocking or locking the locking member by the dismounting mechanism 21. While in contact with the calibration surface 221, ensure that the wheels do not break away from the vehicle-carrying platform 1. If it is detected that the wheels are disengaged from the front lift mechanism 11 or the rear lift mechanism 12, the front lift mechanism 11 and the rear lift mechanism 12 are controlled to rise to contact wheel.
  • the leveling member 22 and the vehicle-carrying platform 1 jointly support the vehicle, so that the vehicle-carrying platform 1 can share the load of the leveling member 22, and each school
  • the force borne by the flat piece 22 is reduced, thereby increasing the lifespan of the leveling piece 22, and the stability of the vehicle is better because there are more support points.
  • the leveling member 22 includes a plurality of leveling columns, and the top surface of the leveling column forms a calibration surface 221.
  • the height of each leveling column is the same, ensuring that the multiple calibration surfaces 221 are located in the same plane.
  • the structure of the leveling member 22 is simple and the calibration accuracy is high. High, only one type of leveling column is needed on the same type of power exchange equipment 2, which is convenient for mass production and reduces production costs. It is not necessary to distinguish the type of leveling column during installation, which improves assembly efficiency.
  • the leveling column includes a hollow column 222 and a leveling block 223 , the leveling block 223 is detachably mounted on the upper end of the hollow column 222 , and the calibration surface 221 is located on the leveling block 223 .
  • the leveling spacer 223 is made of nylon material, which can level the vehicle without causing mechanical damage to the vehicle.
  • the leveling column also includes a mounting plate 224, the upper end surface of the hollow column 222 is provided with a mounting plate 224, and the leveling pad 223 is installed on the mounting plate 224 by fasteners, so that the force of the leveling pad 223 can be
  • the transmission is evenly transmitted to the hollow column 222 through the mounting plate 224 , which reduces the deformation caused by the stress concentration on the leveling cushion block 223 , and furthermore, the service life of the leveling cushion block 223 is longer.
  • a mounting plate 224 is also provided below the hollow column 222 , through which the hollow column 222 transmits the force to other components of the power exchange device 2 .
  • the hollow column 222 and the mounting plate 224 are made of steel plates, which have higher resistance to deformation.
  • the leveling columns are distributed around the dismounting mechanism 21, so as not to collide with the battery, and can also support the vehicle from different positions, reducing the risk of vehicle tipping and deflection, and improving the stability of the vehicle sex.
  • the power exchange device 2 includes a device body 23 and an installation base 24.
  • the device body 23 is the carrier of other components in the power exchange device 2.
  • the dismounting mechanism 21 is arranged on the device body 23, and the installation base 24 is outside the periphery of the device body 23.
  • the edge is installed on the equipment body 23, the installation base 24 is arranged on the outside of the dismounting mechanism 21, and the leveling column is arranged on the installation base 24.
  • the leveling column is installed on the peripheral edge of the device body 23 through the installation base 24, and the dismounting mechanism 21 is aligned with the position of the battery.
  • the leveling column can avoid the battery, and the collision between the leveling column and the battery can be effectively avoided. put one's oar in.
  • the leveling column is installed on the equipment body 23 through the installation base 24, so that the leveling column can be directly installed on the existing power exchange equipment, without other improvements to the existing power exchange equipment, and the transformation cost is low.
  • the disassembly mechanism 21 is installed on the equipment body 23, and the leveling column is installed on the equipment body 23 through the installation base 24, so that each part of the power exchange equipment 2 is modularized, which is convenient for disassembly and maintenance, and this embodiment
  • the power exchange equipment 2 can be retrofitted by installing a leveling piece 22 on the existing equipment with a disassembly mechanism 21, and it is not necessary to replace the entire power exchange equipment 2, so that the above-mentioned functions can be obtained at a relatively low transformation cost .
  • a track cooperating with the equipment body 23 is provided in the power station, and the equipment body 23 moves along the track to control the position of the dismounting mechanism 21 .
  • the device body 23 can be realized by adopting the device used to carry the dismounting mechanism 21 in the existing substation.
  • the disassembly mechanism 21 is installed in the middle part of the equipment body 23, and the leveling piece 22 is indirectly connected to the disassembly mechanism 21 through the installation base 24.
  • the installation base 24 is connected to the outer edge of the equipment body 23, avoiding the The location is also conducive to avoiding the location of the battery.
  • the leveling member 22 and the installation base 24 are arranged in one-to-one correspondence, and the installation base 24 is arranged at the four corners of the device body 23.
  • the installation base 24 can be ring-shaped , set around the outer edge of the device body 23 , and leveling pieces 22 are set at each corner of the installation base 24 .
  • the power swapping device 2 further includes an adjustment part configured to drive the installation base 24 to move relative to the device body 23 in a horizontal direction and/or a vertical direction.
  • Different types of vehicles have different optimal support points.
  • the optimal support point can be selected according to the vehicle model, which can not only level different types of vehicles, but also maximize the protection
  • the vehicle improves the universality of the power exchange equipment 2 to various electric vehicles.
  • using the adjustment part to control the vertical position of the leveling column can also control the lifting of the vehicle. This function can be used in conjunction with the lifting function of the vehicle-carrying platform 1 .
  • the movement of the mounting base 24 in the three directions of the vehicle length direction, the vehicle width direction and the vehicle height direction is controlled separately, that is, the adjustment part includes structures corresponding to these three directions one by one to control them respectively.
  • Install the base 24 When the installation base 24 needs to be adjusted to a certain position, calculate the displacement of the installation base 24 in the above three directions, and control the corresponding structure on the adjustment part to complete the corresponding positions in each direction according to the calculation results. displacement.
  • the adjustment part can drive the installation base 24 to switch freely in any position.
  • the adjustment part can be realized by using an existing mechanical arm.
  • the adjustment part includes guide rails and sliders, and the movement of the mounting base 24 in any direction of the vehicle length direction, vehicle width direction, and vehicle height direction can be realized by the guide rails and sliders.
  • moving the slider can drive the installation base 24 to slide on the guide rail to realize the position adjustment of the leveling column.
  • the adjustment part of this embodiment has a simple structure and is easy to use.
  • the guide rail is installed on the equipment body 23, the slider is movably arranged on the guide rail, the slider and the guide rail are slidably connected, and the installation base 24 is connected with the slider, so that the guide rail guides the installation base 24, ensuring that the installation base 24 movement precision.
  • the adjustment part also includes a power element, which is arranged on the device body 23, and the power element is connected with the slider.
  • the power element can adopt a pneumatic system based on a cylinder or a hydraulic system based on a hydraulic cylinder, or can also use a motor, power
  • the element drives the leveling member 22 to move by driving the slider to move.
  • the movement of the sliding block is driven by the power element, which is conducive to improving the adjustment efficiency and adjustment accuracy.
  • the adjusting part includes a rotating assembly with a rotating shaft, and the movement of the mounting base 24 in any direction of the vehicle length direction, the vehicle width direction and the vehicle height direction can be controlled by the rotating assembly.
  • the rotating assembly is arranged on the device body 23, and the rotating shaft is connected to the installation base 24.
  • the rotating shaft is a lead screw, and the rotating assembly also includes a nut.
  • the shaft is installed on the device body 23, and the rotating shaft is connected with the mounting base 24 through a nut.
  • the adjustment part of this embodiment also includes a power element, which is arranged on the device body 23, and the power element is connected to the rotating shaft.
  • the leveling member 22 is moved.
  • the rotating component structure is adopted, and the rotating shaft can drive the installation base to move to realize the position adjustment of the leveling column, and the rotating shaft is driven to rotate through the power element, which is beneficial to improve the adjustment efficiency and adjustment accuracy. It can be seen that the adjusting part of this embodiment has a simple structure and is easy to use.
  • Positioning pins 211 are also provided on the power exchange equipment 2 , and positioning holes for accommodating the positioning pins 211 are opened on the chassis of the vehicle.
  • the positioning pin 211 and the positioning hole cooperate with each other. After the positioning pin 211 is inserted into the positioning hole, the relative positional relationship between the vehicle and the battery replacement device 2 can be determined, and the relationship between the vehicle chassis and the leveling column and the battery and the dismounting mechanism 21 can be effectively ensured. Alignment accuracy.
  • the vehicle and the power exchange device 2 are controlled to move relative to each other in the vertical direction until the positioning pin 211 is inserted into the positioning hole, and then the calibration surface 221 is attached to the vehicle. .
  • the power exchange device 2 is also provided with a lifting mechanism, and the lifting mechanism is connected with the dismounting mechanism 21 and the positioning pin 211 respectively.
  • the lifting mechanism can drive the dismounting mechanism 21 and the positioning pin 211 up and down, so that the dismounting mechanism 21 contacts or separates from the locking member, and inserts or removes the positioning pin 211 from the positioning hole.
  • the positioning pin 211 When the positioning pin 211 is controlled to be inserted into the positioning hole, it can be realized by controlling the positioning pin 211 to move upward until it is inserted into the positioning control through the lifting mechanism, or it can be realized by controlling the vehicle to move downward until the positioning pin 211 is inserted in the positioning hole, or It is realized by simultaneously controlling the vehicle to move downward and the positioning pin 211 to move upward until the positioning pin 211 is plugged into the positioning hole.
  • the top of the positioning pin 211 is higher than the calibration surface 221 of the leveling member 22, so that the positioning pin 211 can be controlled first to insert into the positioning hole 211 to perform rough positioning of the vehicle, effectively ensuring the vehicle chassis and leveling
  • the positioning pin 211 is lower than the leveling column and causes the leveling column to interfere with the vehicle, resulting in the risk that the positioning pin 211 cannot be inserted into the positioning hole.
  • the battery swapping device 2 is also provided with a detection element, which is used to detect whether the calibration surface 221 is in contact with the vehicle. According to the detection result of the detection element, it is judged whether the vehicle has reached the preset state, and the calibration accuracy is high.
  • the vehicle correction system continues to correct the position of the vehicle until the detection shows that the vehicle is in contact with the calibration surface 221, thereby ensuring the positional relationship between the vehicle and the dismounting mechanism 21 the accuracy.
  • the detection element is a pressure sensor
  • each calibration surface 221 is provided with a detection element, and each detection element is respectively connected to the control system of the power station by communication.
  • An embodiment of the present invention also provides a battery replacement method based on the above-mentioned vehicle correction system, including the following steps:
  • the vehicle is supported by the leveling member 22, so that the vehicle reaches a preset state, and the precise positioning of the locking member and the disassembly mechanism 21 is realized, and then the battery is disassembled and installed by the disassembly mechanism 21, which improves the battery life.
  • the battery replacement progress reduces the risk of mechanical wear between the battery replacement device 2, the vehicle, and the battery due to low positioning accuracy, and can effectively avoid jamming between the battery replacement device 2 and the battery during the battery replacement process, which helps Improve power exchange efficiency.
  • step S10
  • the time to obtain the model of the vehicle may be before the vehicle drives onto the vehicle loading platform 1 , or before the vehicle drives onto the vehicle loading platform 1 and the battery swapping device 2 drives directly under the vehicle.
  • the way to obtain the vehicle model can be based on the existing visual recognition system, after taking pictures of the vehicle's appearance and comparing it with the information in the database of the swap station. Adjust the position of the leveling column according to the vehicle model information, and choose the best support point according to the vehicle model, which can not only level the vehicles of different models, but also protect the vehicle to the maximum extent, and improve the battery exchange equipment's support for various electric vehicles universality.
  • the relative positional relationship between the leveling column corresponding to different vehicle types and the equipment body 23 is pre-stored in the database, and the relative positional relationship between the leveling column and the equipment body 23 is obtained according to the vehicle type information, and the leveling column and the equipment
  • the body 23 is in the relative positional relationship: if it is detected that the leveling column and the equipment body 23 are already in the relative positional relationship, the adjustment part will not act; if the detection is obtained that the leveling column and the equipment body 23 are not in the relative positional relationship, the The adjustment part acts to make the leveling column and the equipment body 23 in the relative positional relationship. At this time, when it comes to the action of the adjustment part, what the adjustment part adjusts may be the positional relationship between the leveling column and the equipment body 23 in any direction.
  • step S20
  • the vehicle-carrying platform 1 performs preliminary positioning of the vehicle, and after detecting that the vehicle has been positioned on the vehicle-carrying platform 1, controls the height of the vehicle-carrying platform 1 on which the vehicle is loaded to not be lower than the first lifting height, and controls the power exchange equipment 2 to drive into the vehicle After lowering, control the relative movement of the vehicle-mounted platform 1 and the battery replacement device 2 for alignment.
  • the positioning pin 211 on the battery replacement device 2 is inserted into the positioning hole on the vehicle chassis, the battery replacement device 2 is opposite to the battery on the vehicle. allow.
  • the positioning pin 211 on the power exchange equipment 2 is inserted into the positioning hole on the vehicle chassis, and the first The default value is the data pre-stored in the database of the power exchange station, and the data is set in the design stage in combination with relevant parameters of the vehicle and the power exchange station.
  • controlling the relative displacement of the vehicle-carrying platform 1 and the power exchange equipment 2 in the vertical direction to reach the first preset value can be achieved by any of the following methods: (1) controlling the vehicle-carrying platform 1 to move downward, and the power exchange equipment 2 does not move; (2) controls the power exchange equipment 2 to move upward, and the vehicle-carrying platform 1 does not move; (3) controls the vehicle-carrying platform 1 to move downward, and controls the power exchange equipment 2 to move upward.
  • the method adopted in step S30 of this embodiment is: control the relative movement of the vehicle-loading platform 1 and the leveling member 22, and at the same time, detect in real time whether each calibration surface 221 is in contact with the vehicle, and when it is detected that each calibration surface 221 is in contact with the vehicle , control the vehicle-loading platform 1 and the leveling member 22 to stop relative movement, and at this time the leveling member 22 supports the vehicle; otherwise, continue to control the relative movement of the vehicle-loading platform 1 and the leveling member 22.
  • the movement of the vehicle-carrying platform 1 and the leveling member 22 is controlled through detection to ensure that each calibration surface 221 is in contact with the vehicle, and the calibration accuracy is high.
  • the method adopted in step S30 is: after controlling the relative displacement between the vehicle-mounted platform 1 and the calibration surface 221 to reach the second preset value, it is detected whether each calibration surface 221 is in contact with the vehicle, If so, go to step S40 or step S50, otherwise control the further relative movement between the vehicle-mounted platform 1 and the calibration surface 221 until it is detected that each calibration surface 221 is in contact with the vehicle.
  • controlling the relative movement of the vehicle-carrying platform 1 and the leveling member 22" involved in the two ways of the above-mentioned step S30 can be realized by any of the following: (1) controlling the downward movement of the vehicle-carrying platform 1, and aligning the surface 221 (2) Control the action of the adjustment part to make the calibration surface 221 move upward, and the vehicle-carrying platform 1 does not move; (3) Control the movement of the vehicle-carrying platform 1 downward, and the action of the adjustment part makes the calibration surface 221 move upward.
  • step S40
  • each calibration plane After detecting that each calibration plane is in contact with the vehicle, detect whether the front lift mechanism 11 and the rear lift mechanism 12 are in contact with the vehicle, if not, control the corresponding front lift mechanism 11 or rear lift mechanism 12 to rise and contact the vehicle Contact, so that the front lifting mechanism 11 and the rear lifting mechanism 12 and the leveling piece 22 jointly lift the vehicle.
  • Adopt visual recognition system to obtain vehicle type information; Obtain the position relation information of leveling column corresponding to vehicle type information and equipment body 23 (or dismounting mechanism 21); Detect leveling column and equipment body 23 (or dismounting mechanism 21) ) conforms to the positional relationship information, if not, calculate the displacement of the leveling column in the vehicle length direction, vehicle width direction and vehicle height direction, and control the corresponding structure on the adjustment part to complete all directions according to the calculation results Up corresponding displacement.
  • the vehicle is positioned on the vehicle-carrying platform 1, and the displacement freedom of the vehicle in the horizontal direction is constrained; the height of the lifting platform is controlled not to be lower than the first lifting height.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

Sont divulgués dans la présente invention un système d'étalonnage de véhicule, une station d'échange de batteries et un procédé d'échange de batteries. Le système d'étalonnage de véhicule comprend une plateforme de transport de véhicule et un appareil d'échange de batteries, la plateforme de transport de véhicule étant utilisée pour monter ou descendre un véhicule électrique transporté sur la plateforme de transport de véhicule ; et l'appareil d'échange de batteries est utilisé pour changer une batterie du véhicule sur la plateforme de transport de véhicule, l'appareil d'échange de batteries est pourvu d'un mécanisme de désassemblage et d'assemblage et d'un élément de mise à niveau, le mécanisme de désassemblage et d'assemblage est conçu pour déverrouiller ou verrouiller un élément de verrouillage utilisé pour verrouiller la batterie sur le véhicule, l'élément de mise à nouveau est pourvu d'une pluralité de surfaces d'étalonnage conçues pour venir en contact avec le véhicule, et toutes les surfaces d'étalonnage sont situées dans le même plan. Lors du processus de déverrouillage ou de verrouillage de l'élément de verrouillage au moyen du mécanisme de désassemblage et d'assemblage, l'élément de mise à niveau supporte le véhicule. Selon la présente invention, une relation de position relative entre le véhicule et le mécanisme de désassemblage et d'assemblage est étalonnée au moyen de l'élément de mise à niveau, de sorte à garantir que le mécanisme de désassemblage et d'assemblage peut coopérer avec précision avec l'élément de verrouillage, ce qui permet de réduire le risque d'abrasion mécanique provoquée par la faible précision de positionnement entre l'appareil d'échange de batteries, le véhicule et la batterie, d'éviter un blocage entre l'appareil d'échange de batteries et la batterie lors d'un processus d'échange de batteries, et d'améliorer l'efficacité d'échange de batteries.
PCT/CN2022/136339 2021-12-02 2022-12-02 Système d'étalonnage de véhicule, station d'échange de batteries et procédé d'échange de batteries Ceased WO2023098907A1 (fr)

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CN115284936B (zh) * 2021-12-02 2024-12-17 奥动新能源汽车科技有限公司 车辆校正系统、换电站及换电方法
CN116215303A (zh) * 2021-12-02 2023-06-06 奥动新能源汽车科技有限公司 电池拆卸的控制方法及装置、电池安装的控制方法及装置
CN116215301A (zh) * 2021-12-02 2023-06-06 奥动新能源汽车科技有限公司 电池拆卸的控制方法及装置、电池安装的控制方法及装置
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