WO2023051795A1 - Composant de positionnement, dispositif de permutation de batterie et procédé de déverrouillage lors de l'utilisation d'un dispositif de permutation de batterie - Google Patents

Composant de positionnement, dispositif de permutation de batterie et procédé de déverrouillage lors de l'utilisation d'un dispositif de permutation de batterie Download PDF

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Publication number
WO2023051795A1
WO2023051795A1 PCT/CN2022/123339 CN2022123339W WO2023051795A1 WO 2023051795 A1 WO2023051795 A1 WO 2023051795A1 CN 2022123339 W CN2022123339 W CN 2022123339W WO 2023051795 A1 WO2023051795 A1 WO 2023051795A1
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WO
WIPO (PCT)
Prior art keywords
positioning
battery
detection element
unlocking
lock
Prior art date
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PCT/CN2022/123339
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English (en)
Chinese (zh)
Inventor
张建平
朱明厚
万里斌
Original Assignee
奥动新能源汽车科技有限公司
上海电巴新能源科技有限公司
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Application filed by 奥动新能源汽车科技有限公司, 上海电巴新能源科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Publication of WO2023051795A1 publication Critical patent/WO2023051795A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • 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 the field of vehicle battery replacement, in particular to a positioning member, battery replacement equipment and an unlocking method using the battery replacement equipment.
  • the battery pack is locked on the car through the locking mechanism.
  • the battery pack on the electric vehicle is replaced by the battery replacement equipment.
  • the battery replacement equipment is equipped with an unlocking mechanism for unlocking the locking mechanism.
  • the existing technology exists The inaccurate alignment between the battery replacement equipment and the electric vehicle leads to the problem that the unlocking mechanism cannot unlock the locking mechanism.
  • the structural design of the vehicle itself is also different, so when the battery swapping device performs the unlocking operation, the height of the unlocking mechanism on the battery swapping device relative to the horizontal plane will also be different If the battery replacement equipment cannot be matched with the body bracket and battery pack of the electric vehicle in the height direction, the unlocking will fail, which will greatly affect the success rate of unlocking.
  • the technical problem to be solved by the present invention is to overcome the technical problem in the prior art that the positioning parts on the battery replacement equipment do not fit properly with the positioning matching parts on the electric vehicle, resulting in a low unlocking success rate, and provide a positioning part, battery replacement
  • the unlocking method of the device and the battery replacement device can improve the success rate of unlocking.
  • a locating part which is arranged on the battery exchange equipment, is used for positioning between the battery exchange equipment and the electric vehicle when the battery exchange equipment replaces the battery of the electric vehicle.
  • the electric vehicle is provided with a positioning matching part, and the positioning part includes The locator body, the locator body is provided with an accommodation area, and further includes:
  • the detection element is arranged in the accommodation area, and the detection element is used for detecting whether the positioning part and the positioning matching part are in place when the battery replacement equipment replaces the battery of the electric vehicle.
  • the positioning piece is used in conjunction with the positioning matching piece (secondary lock or positioning block) on the vehicle, and the detection element is used to detect whether the positioning piece is matched with the positioning matching piece in place, that is, the positioning piece and the positioning piece Whether the spacing between the matching parts meets the requirements, so as to achieve a stable cooperation state between the positioning part and the positioning matching part before the power exchange equipment performs the unlocking operation, so as to facilitate the power exchange equipment to carry out the locking mechanism on the electric vehicle and improve the success of unlocking Rate.
  • the positioning matching piece secondary lock or positioning block
  • the positioning member body is provided with a mounting structure, and the positioning member is installed on the power exchange equipment through the mounting structure;
  • At least one position adjustment mechanism is provided on the installation structure, and the position adjustment mechanism is used to adjust the relative position of the positioning component body relative to the positioning matching component in the horizontal direction.
  • connection structure for installing the above-mentioned positioning element is provided, and the position adjustment of the positioning element body relative to the positioning matching element in the horizontal direction can be realized, so that the positioning element body and the positioning matching can be flexibly adjusted distance in the horizontal direction.
  • the position adjustment mechanism is an adjustment hole opened on the installation structure, the extension direction of the adjustment hole is perpendicular to the vertical plane where the positioning matching part is located, and the adjustment hole passes through the tight
  • the firmware is set on the battery swapping device.
  • a specific embodiment of the position adjustment structure is provided to realize the position adjustment of the positioner body relative to the positioning matching member in the horizontal direction, so as to ensure that the positioner body can be smoothly inserted between the battery pack and the vehicle body bracket when unlocking.
  • the fastener can be loosened, the position of the body of the locator can be adjusted, and then the fastener can be tightened again.
  • the mounting structure is a mounting plate, and the end of the locator body away from the accommodation area is connected to the mounting plate;
  • a plurality of position adjustment holes are provided on both sides of the positioning member body, so that the positioning member body can be more stably fixed.
  • the first end of the locator body is provided with an accommodating opening recessed toward the inside of the locator body for accommodating the locating matching piece, and the second end of the locator body is disposed on the battery exchange equipment;
  • the receiving opening constitutes the receiving area.
  • the detection element detects whether the positioning member is in place with the positioning matching member.
  • the accommodating opening is provided with a detection opening recessed toward the main body of the locator, and the detection opening is used for accommodating the detection element.
  • the detection port by setting the detection port to accommodate the detection element, the effect of protecting the detection element is achieved, and the stability and reliability of the detection result are improved.
  • the surface of the detection element does not protrude from the inner wall of the accommodating opening.
  • the detection element is completely arranged in the detection port to protect the detection element from being damaged due to its rigid contact with the positioning matching part, so as to ensure the stability and reliability of the detection result.
  • the body of the locator is provided with a cable hole communicating with the detection port, and the cable hole allows the signal line of the detection element to pass through.
  • the cable hole can pass through the signal line of the detection element, thereby facilitating wiring for electrical engineers, without additional purchase of wire binding tape.
  • the wiring holes are opened on the side wall of the detection port, and the two wiring holes are respectively located on both sides of the detection element.
  • the signal lines can be arranged from different directions according to different circuit layouts by electrical engineers.
  • the accommodating opening has an opening end for the positioning matching piece to enter the accommodating opening, and the inner wall of the accommodating opening is provided with two opposite first inclined surfaces near the opening end;
  • the two first inclined surfaces gradually move away from each other.
  • the first inclined surface can play a guiding role when the positioning component and the positioning matching component approach each other for matching.
  • the junction between the first slope and the first end of the positioning element body transitions smoothly.
  • the unlocking range capable of positioning and guiding is increased, the requirement for positioning accuracy is further reduced, and the service life of the positioning member is prolonged.
  • the first end of the locator body is provided with a second slant on both sides of the first slant, and the plane of the second slant is inclined relative to the plane of the locator body.
  • the present invention by adopting the above-mentioned positioning member structure, due to the different sizes of the battery packs and the different placement positions of the batteries, it is possible to avoid collisions between the positioning member and the battery pack during the process of the positioning member and the positioning matching member approaching each other, thereby greatly reducing the requirements for positioning accuracy.
  • the second slope can also play a guiding role when the positioning member extends into the gap between the battery pack and the vehicle body bracket.
  • the accommodating area includes a bottom wall and a side wall, and the detection element is arranged on the bottom wall for measuring the distance between the positioning matching part and the detection element.
  • a detection element setting method is provided. By detecting the distance between the positioning matching member and the detecting element, it is judged whether the positioning matching member and the positioning member are in place.
  • the accommodating area includes a bottom wall and a side wall
  • the detection element is arranged on the side wall, and when the positioning matching part and the positioning part are fitted in place, the detection element is in a triggered state.
  • a method of setting the detection element is provided. By detecting whether the positioning matching member triggers the detection element, it is judged whether the positioning matching member and the positioning member are in place.
  • the detection element includes at least one of a visual sensor, a Hall sensor or a photoelectric sensor.
  • the positioning matching part is a positioning block or a secondary lock of the battery pack.
  • a battery swapping device comprising a vehicle positioning unit and a battery positioning unit, the vehicle positioning unit is used for positioning between the battery swapping device and the vehicle, the battery positioning unit is used to carry the battery pack and drive the battery pack to move, the vehicle positioning unit is configured as above positioning parts.
  • the power exchange equipment can use the above positioning parts to realize the positioning of the positioning matching parts in the height direction, and accurately detect whether the positioning matching parts are in place, so as to improve the unlocking success rate of the power changing equipment , to achieve the purpose of reliable unlocking.
  • An unlocking method using the above battery swapping device, used to realize the battery swapping of a vehicle includes the following steps:
  • S2 Adjust the position of the battery replacement device relative to the vehicle in the height direction, and detect whether the positioning matching part and the positioning part are in place through the detection element, and if so, perform the unlocking operation of the battery replacement device.
  • the unlocking method provides an unlocking method that starts unlocking only when the positioning matching part and the positioning part are in place, that is, only when the unlocking mechanism of the power exchange equipment is connected with the body bracket Only when the locking mechanism is matched in the height direction can the unlocking operation be performed, which greatly improves the success rate of unlocking and achieves the purpose of reliable unlocking.
  • the detection element in step S2 detects whether the positioning matching part and the positioning part fit in place specifically as follows:
  • the detection element acquires the relative distance L 1 between it and the positioning matching part, and judges whether the relative distance L 1 is within a preset distance range.
  • the size, height, and position of the frame of different models may vary, by setting a preset distance range for the distance between the detection element and the positioning matching part, when the distance between the detection element and the positioning matching part When the distance between them is within the preset distance range, it is considered that the positioning part and the positioning matching part are in a state of fitting in place, thereby ensuring the success rate of subsequent unlocking operations.
  • the detection element in step S2 detects whether the positioning matching part and the positioning part fit in place specifically as follows:
  • a primary lock is provided on the vehicle, and the primary lock has a primary lock groove and a primary lock tongue.
  • the unlocking operation in step S2 includes:
  • the battery replacement device drives the battery pack to move a first distance away from the opening of the first-level lock slot, so that there is a gap between the first-level lock tongue and the lock shaft of the battery pack.
  • the lock shaft of the battery pack is separated from the corresponding primary or secondary locking tongue before unlocking, so that the primary or secondary locking tongue can Driven by the unlocking mechanism on the device, the first-level or second-level lock groove is opened to prevent the lock shaft from being in contact with the corresponding first-level or second-level lock tongue when unlocking, resulting in wear and tear on both.
  • the unlocking operation also includes:
  • the position of the lock shaft of the battery pack in the first-level lock slot is moved through the battery tray until the lock shaft moves above the opening of the first-level lock slot.
  • the first-level lock slot The lock shaft is no longer supported, so the battery pack will press down the battery tray on the power exchange device under the action of gravity, so that the lock shaft is separated from the primary lock slot, that is, the battery pack falls off the vehicle.
  • the power exchange equipment includes an unlocking member.
  • the primary lock has a lock link connected to the primary lock tongue.
  • the lock link is used to drive the primary lock tongue to open or lock the opening of the primary lock slot.
  • step S31 After the battery replacement equipment drives the battery pack to move the first distance away from the opening of the first-level lock slot, it includes:
  • an unlocking method that can conveniently and quickly open the primary lock groove under the action of the elastic support force provided by the unlocking member is provided.
  • the unlocking part is in a pressed state.
  • the unlocking ejector rod is compressed and stored before unlocking, so as to ensure the success rate of unlocking and avoid wearing the primary lock tongue and lock shaft.
  • the positive and progressive effect of the present invention is that the positioning piece is used in conjunction with the positioning matching piece (secondary lock or positioning block) on the vehicle, and the detection element is used to detect whether the positioning piece is matched with the positioning matching piece in place, that is, the positioning piece and the positioning matching piece Whether the distance between them meets the requirements, so as to achieve a stable cooperation state between the positioning part and the positioning matching part, realize the purpose of reliable unlocking and locking, and ensure the success rate of unlocking.
  • the positioning matching piece secondary lock or positioning block
  • FIG. 1 is a schematic perspective view of the overall structure of the positioning member in Embodiment 1 of the present invention.
  • Fig. 2 is a side view when the locating member and the secondary lock are in place in Embodiment 1 of the present invention.
  • Fig. 3 is a three-dimensional schematic diagram when the positioning member and the secondary lock are mated in place in Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural view of the positioning member in Embodiment 1 of the present invention when it is disposed on the positioning portion of the vehicle.
  • Fig. 5 is a partial schematic diagram of the detection port of the positioning member in Embodiment 2 of the present invention.
  • Fig. 6 is a partial schematic diagram of the jacking up portion of the upper end of the positioning member in Embodiment 3 of the present invention.
  • Fig. 7 is a partial schematic view of the unlocking member and the primary lock in Embodiment 5 of the present invention when it is unlocked.
  • Fig. 8 is a flow chart of the unlocking method of the power exchange device in Embodiment 5 of the present invention.
  • FIG. 9 is a flow chart of a method for unlocking a power exchange device in Embodiment 6 of the present invention.
  • Positioner 100 positioner body 101, secondary lock 210, secondary lock groove 211, secondary lock tongue 212, movable end 212a, shaft end 212b, accommodation opening 3, accommodation area 31, inner wall 32, side wall 321, bottom Wall 322, detection port 4, detection element 5, mounting plate 61, adjustment hole 62, cable hole 7, signal line 8, first inclined plane 91, second inclined plane 92, round transition area 93, vehicle positioning part 300, vehicle body Bracket 400 , primary lock 500 , unlocking block 510 , lock link 520 , primary lock slot 530 , primary lock tongue 540 , lock shaft 550 , and unlocking piece 600 .
  • This embodiment provides a battery replacement device, which is used to replace the battery of an electric vehicle, and the battery replacement device is provided with a positioning member 100 .
  • the vehicle positioning part 300 is used to realize the positioning between the battery replacement equipment and the vehicle.
  • the battery positioning part is used to carry the battery pack and drive the battery pack to move, also called a battery tray.
  • the vehicle positioning part 300 is provided with this positioning part.
  • the electric vehicle is equipped with a locking mechanism, and the battery pack is locked on the electric vehicle through the locking mechanism arranged on the body bracket 400 of the electric vehicle.
  • the mechanism is unlocked to unlock the battery pack on the electric vehicle or realize the locking of the battery pack on the electric vehicle.
  • the positioning member can also realize the positioning between the battery changing equipment and the vehicle when the battery changing equipment replaces the battery of the electric vehicle.
  • the positioning element 100 in this embodiment.
  • the positioning element 100 includes a positioning element body 101 in the shape of a plate, and a receiving area 31 is opened on the positioning element body 101 .
  • the electric vehicle is equipped with a positioning matching piece, and the positioning piece 100 also includes a detection element 5 arranged in the accommodation area 31.
  • the detection element 5 is used to detect the position between the positioning piece 100 and the vehicle when the battery pack of the electric vehicle is replaced by the power exchange equipment. Whether the positioning mating piece fits in place.
  • the positioning matching part is the secondary lock 210 of the locking mechanism.
  • the detection element 5 is used to detect whether the positioning part 100 is matched with the secondary lock 210, that is, whether the distance between the two meets the requirements, so as to achieve the position of the positioning part.
  • the stable cooperation state between the 100 and the secondary lock 210 realizes the purpose of reliable unlocking and locking, and ensures the success rate of unlocking.
  • the first end (ie, the upper end) of the locator body 101 is provided with an accommodating opening 3 recessed toward the interior of the locator body 101 for accommodating the secondary lock 210 on the body bracket 400 , that is, for the secondary lock 210 on the vehicle body bracket 400 to extend into and match with it
  • the second end (ie, the lower end) of the positioning member body 101 is arranged on the vehicle positioning part 300 of the power exchange equipment through the installation structure, and the receiving port 3
  • This accommodation area 31 is formed. That is, the positioning member body 101 is provided with a mounting structure, and the positioning member 100 is mounted on the vehicle positioning portion 300 of the power swapping device through the mounting structure.
  • At least one position adjustment mechanism is provided on the installation structure. In this embodiment, there are six position adjustment mechanisms, and the position adjustment mechanism is used to adjust the relative position of the positioner body 101 relative to the secondary lock 210 in the horizontal direction.
  • the number of position adjustment mechanisms on the installation structure is not limited to this example, and can be increased or decreased according to actual conditions, which will not be repeated here.
  • the mounting structure is a mounting plate 61
  • the positioning member body 101 is vertically arranged at the middle position of the mounting plate 61, that is, the mounting plate 61 extends outward to both sides of the positioning member body 101 and An end of the positioning member body 101 away from the receiving area is connected to the mounting plate 61 .
  • the position adjustment mechanism is an adjustment hole 62 opened on the mounting plate 61, and the adjustment hole 62 is an oblong hole.
  • the extension direction of the adjustment hole 62 is the direction perpendicular to the vertical plane where the secondary lock 210 is located, that is, the extension direction of the adjustment hole 62 is the same as the direction in which the mounting plate 61 extends outward, and the six adjustment holes 62 are divided into two groups.
  • Two sets of adjustment holes 62 are respectively located on both sides of the locator body 101, that is, three adjustment holes 62 are provided at the mounting plate 61 corresponding to the first side of the locator body 101, and the mounting plate 61 corresponding to the second side of the locator body 101
  • Three adjustment holes 62 are also opened at the position, and each adjustment hole 62 is set on the vehicle positioning part 300 of the power exchange equipment through fasteners.
  • the fasteners are bolts.
  • the fixing effect of the positioning member body 101 can be made more stable, and the positioning member 100 can be prevented from shifting or rotating under conditions such as bumps and impacts.
  • the bolts can be loosened first, and after the locator body 101 is adjusted to a suitable position, the bolts are tightened to fix the locator body.
  • 101 positioning is all that is needed to realize the position adjustment of the positioning member body 101 relative to the secondary lock 210 in the horizontal direction.
  • the adjustment process is relatively simple, ensuring that the positioning member body 101 can be smoothly inserted into the battery pack and the body bracket 400 when unlocking or locking. between.
  • the number of adjustment holes 62 can also be two, three, four or even more, or these adjustment holes 62 can also be arranged on the same side of the locator body, as long as the locator body can be 101 is fixed on the vehicle positioning part 300 through the installation structure and can realize the position adjustment in the horizontal direction, which will not be repeated here.
  • the positioning element body 101 of the positioning element 100 is integrally formed with the installation structure.
  • the positioning element body 101 and the installation structure are separated.
  • the receiving port 3 is provided with a detection port 4 recessed toward the positioning member body 101, and the inner wall 32 of the receiving area 31 includes a bottom wall 322 and a side wall 321.
  • the opening 4 is disposed on the bottom wall 322 at a position corresponding to the travel path of the secondary lock 210 , and the detection element 5 is disposed in the detection opening 4 for measuring the distance between the secondary lock 210 and the detection element 5 .
  • the detection element 5 measures the distance between the detection element 5 and the secondary lock 210 . Since the accommodation area 31 needs to accommodate the secondary lock 210 during the detection process, the upper surface of the detection element 5 does not protrude from the inner wall 32 of the accommodation port 3, that is, the detection element 5 is completely located in the detection port 4, so as to avoid the detection element 5 and the two locks.
  • the lock base of the primary lock 210 collides, which can effectively prevent the detection element 5 from being damaged due to excessive displacement of the secondary lock 210 when the detection element 5 fails. That is to say, at least when the secondary lock 210 is displaced to the bottom wall 322 of the accommodating opening 3 , the detection element 5 will not be impacted or squeezed.
  • the detection element 5 is a Hall sensor
  • the secondary lock 210 is provided with a magnet.
  • the secondary lock 210 may not be provided with a magnet, but made of magnetic materials.
  • the Hall sensor matched with the secondary lock 210 is used to obtain the distance between the detection element 5 and the secondary lock 210 in real time, and then can determine whether the secondary lock 210 and the positioning member 100 have reached a stable mating state.
  • the detection principle is as follows: when the magnetic steel is close to or far away from the Hall sensor, the Hall sensor can determine the distance between the magnetic steel and the Hall sensor according to the change of the magnetic induction intensity, and judge the secondary lock 210 and the positioning member 100 based on this. Whether it has been matched in place.
  • the position and type of the detection element 5 are related to the detection method. For different detection requirements, those skilled in the art may adopt different detection methods, and also use different types of detection elements 5 , or arrange them in different positions.
  • the secondary lock 210 As shown in Figure 2, in this embodiment, a specific structure is given for the secondary lock 210 on the vehicle.
  • the movable end 212 a of the lock tongue 212 that is, the protruding end of the secondary lock tongue 212 , is used to open the passage for the lock shaft 550 of the battery pack to enter and exit the secondary lock groove 211 .
  • the secondary lock 210 cooperates with the positioning member 100 to realize the unlocking process of the secondary lock 210 as follows:
  • the lock shaft 550 of the battery pack is located in the secondary lock groove 211 of the secondary lock 210 , the bottom of the secondary lock 210 enters the accommodation area 31 during the matching process, and the positioning member 100 after the secondary lock 210 enters the accommodation area 31 , Lift up the movable end 212a of the secondary lock tongue 212.
  • the secondary lock tongue 212 turns around the shaft end 212b, thereby opening the opening of the secondary lock groove 211, and completing the unlocking process of the secondary lock 210, so that the lock of the battery pack
  • the shaft 550 can be disengaged from the opening of the secondary lock slot 211 , finally realizing the separation of the battery pack from the vehicle body bracket 400 .
  • the secondary lock 210 cooperates with the positioning member 100 to realize the locking process of the secondary lock 210 as follows:
  • the lock shaft 550 of the battery pack is located outside the secondary lock groove 211 of the secondary lock 210, and the bottom of the secondary lock 210 enters the accommodation area 31 during the matching process.
  • the positioning member 100 Lift up the movable end 212a of the secondary lock tongue 212, at this time the secondary lock tongue 212 turns around the shaft end 212b, thereby opening the opening of the secondary lock slot 211, so that the lock shaft 550 of the battery pack can be released from the secondary lock slot 211
  • the opening of the battery pack enters into the secondary locking groove 211, and finally realizes locking the battery pack on the body bracket 400 of the vehicle.
  • this embodiment provides a power exchange device with a structure similar to that of Embodiment 1, and its overall structure and function are basically the same as those of the power exchange device in Embodiment 1, the difference being:
  • the detection element 5 needs to be connected to the control unit in the substation through a circuit, so the positioning member body 101 of the positioning member 100 is provided with a cable hole 7 communicating with the detection port 4, and the cable hole 7 is used for detection.
  • the signal line 8 of the element 5 passes through.
  • there are two wiring holes 7 and the wiring holes 7 are opened on the side wall of the detection port 4 , and the two wiring holes 7 are respectively located on both sides of the detection element 5 .
  • a through hole 7 is provided on the side wall of the detection port 4, so that the signal line 8 can pass through the row from the detection port 4.
  • the wire hole 7 leads to the outside of the positioning member 100 .
  • the sidewalls on both sides of the detection port 4 are provided with cable holes 7, the engineer can choose any cable hole 7 to pass through the signal line 8 according to different circuit layouts during on-site installation. That is, the signal wires 8 are arranged from different directions, which is convenient for electrical engineers to wire.
  • the opening of the cable hole 7 can make it unnecessary to purchase additional cable ties for positioning the signal wires 8 during on-site installation.
  • the cable hole 7 can also be provided only on the side wall of one side of the detection port 4 , which can also play the role of accommodating the signal line 8 of the detection element 5 , which will not be repeated here.
  • This embodiment provides a power exchange device with a structure similar to that of Embodiment 1 or 2. Its overall structure and function are basically the same as those of the power exchange device in Embodiment 1 or 2. The difference lies in:
  • the receiving port 3 has an opening end for the positioning matching piece to enter the receiving port 3
  • the inner wall 32 of the receiving port 3 is provided with two oppositely disposed near the opening end of the receiving port 3 .
  • Two first slopes 91 along the direction in which the second end of the positioning member body 101 points to the first end of the positioning member body 101 (that is, the vertical upward direction in FIG. 6 ), the two first slopes 91 gradually move away.
  • the connection between the first slope 91 and the first end of the positioning element body 101 makes a smooth transition.
  • the upper edge of the inner wall 32 of the receiving opening 3 in this embodiment that is, the upper edge of the side wall 321 of the receiving opening 3 of the positioning member 100 has a first slope 91 .
  • the first inclined surface 91 is inclined towards the outside of the receiving opening 3 and is arranged obliquely upward.
  • the above-mentioned structure can play a guiding role when the matching part is positioned to enter the receiving area 31 .
  • the first slope 91 can smoothly guide it into the receiving area 31 .
  • connection between the first slope 91 and the upper end of the positioning member 100 is smoothly transitioned, and the transition area is rounded.
  • the rounded transition area 93 further reduces the requirements for positioning accuracy, and at the same time can minimize the wear of the positioning part 100 and the positioning matching part, and prolong the use of the positioning part 100 life.
  • a second slope 92 is provided, and the plane where the second slope 92 is located is inclined relative to the plane where the positioning member 100 is located. Specifically, along the opening direction of the receiving port 3 , the two second slopes 92 are gradually approached.
  • the positioning member 100 may collide with the battery pack or the body bracket 400 when the positioning member 100 and the positioning matching member are approaching each other, and the second slope 92 can effectively guide the positioning member 100 to avoid the battery pack or the body bracket 400, thereby greatly reducing the requirements for positioning accuracy. , play a guiding role.
  • This embodiment provides a power exchange device with a structure similar to that of any one of embodiments 1 to 3, and its overall structure and function are basically the same as those of any power exchange device in embodiments 1 to 3, the difference being:
  • the detection element 5 in this embodiment is disposed on the side wall 321 of the accommodation area 31 instead of the bottom wall 322 .
  • the detection element 5 is used to measure whether the positioning matching part is matched with the positioning part 100 or not.
  • the detection port 4 is also disposed on the side wall 321 and the detection element 5 is completely accommodated in the detection port 4 .
  • the detection element 5 of the present embodiment judges the principle of whether the positioning matching part and the positioning part are matched in place as follows:
  • the detection element 5 on the side wall 321 detects whether the front of the detection element 5 is blocked by the positioning matching piece, and if it is blocked, the detection element 5 is triggered. Fit in place.
  • the detection element 5 is a photoelectric sensor, and the photoelectric sensor is an infrared sensor.
  • the photoelectric sensor is just blocked, and the photoelectric sensor can judge based on this that the positioning matching part is in place.
  • the photoelectric sensor in this embodiment needs to be arranged on the side wall 321 of the receiving area 31 corresponding to the position where the positioning matching part and the positioning part 100 are in place.
  • a test is required after installation to verify whether there is a situation where the positioning matching part cannot be detected. Within the allowable range of error, a slight adjustment can be made to improve the detection success rate of the photoelectric sensor.
  • the detection element 5 may also be a visual sensor, a laser sensor or other photoelectric sensors, which will not be repeated here.
  • this embodiment provides an unlocking method for a battery replacement device, which is used to replace the battery of a vehicle.
  • the positioning part, the vehicle positioning part 300 is used for positioning between the power exchange equipment and the vehicle.
  • the vehicle positioning part 300 of the power exchange equipment is also provided with an unlocking mechanism.
  • the unlocking mechanism includes an unlocking part 600, that is, the unlocking part 600 and the positioning part 100 are all arranged on the vehicle positioning unit 300 .
  • the locking mechanism on the body frame 400 of the vehicle includes not only the secondary lock 210 but also a primary lock 500 , and the unlocking member 600 is used to unlock or lock the primary lock 500 .
  • the primary lock 500 includes a primary lock slot 530 , a primary lock tongue 540 and a lock link 520 connected with the primary lock tongue 540 .
  • the unlocking part 600 cooperates with the unlocking block 510 on the lock link 520 to drive the first-level deadbolt 540 to open or lock the opening of the first-level lock groove 530 to realize the unlocking or locking of the first-level lock 500.
  • the first-level deadbolt 540 and The lock link 520 is connected, and the lock link 520 is pushed up by the top of the unlocking member 600 to drive the primary lock tongue 540 to unlock.
  • the secondary lock 210 includes a secondary lock groove 211 and a secondary lock tongue 212, and the upper end of the locator 100 acts on the movable end 212a of the secondary lock tongue 212 of the secondary lock 210, that is, the two The protruding end of the secondary deadbolt 212 is unlocked in the form of driving the secondary deadbolt 212 to rotate.
  • the plurality of lock shafts 550 on the battery pack are correspondingly limited in the primary lock slots 530 or the secondary lock slots 211 at corresponding positions.
  • the unlocking method in this embodiment includes the following steps:
  • the positioning matching piece is the secondary lock 210;
  • step S1 by adjusting the position of the vehicle positioning part 300 relative to the vehicle along the length direction of the electric vehicle, the unlocking member 100 on the vehicle positioning part 300 corresponds to the unlocking block 510 of the primary lock 500, and the vehicle positioning part
  • the accommodating area 31 of the positioning member 100 on the 300 is aligned with the secondary lock 210 on the vehicle body bracket 400, so as to improve the unlocking success rate of the unlocking mechanism.
  • S2 Adjust the position of the battery replacement device relative to the vehicle in the height direction, and detect whether the positioning matching part and the positioning part are in place through the detection element, and if so, perform the unlocking operation of the battery replacement device.
  • the detection element in step S2 detects whether the secondary lock 210 and the locating member are in place. within the distance.
  • the unlocking method in this embodiment can ensure that the unlocking process of the primary lock 500 and the secondary lock 210 starts only when the secondary lock 210 and the positioning member 100 are in place, so as to achieve the purpose of reliable unlocking.
  • the frame size, height, and position of different models may vary, it is necessary to set a preset distance range L 0 for the distance between the detection element and the secondary lock 210 .
  • the distance L 1 between the detection element and the secondary lock 210 is within the preset distance range, that is, L 1 ⁇ L 0 , it can be considered that the positioning member 100 and the secondary lock 210 are in a mated state, thereby ensuring subsequent unlocking operations Success rate.
  • the preset distance range L 0 is 10 mm.
  • the unlocking operation in step S2 includes the following steps:
  • the battery replacement device drives the battery pack to move a first distance away from the opening of the first-level lock groove 530, so that there is a gap between the first-level lock tongue 540 and the lock shaft 550 of the battery pack;
  • step S31 drives the battery pack to move a first distance away from the opening of the first-level lock slot 530, the steps further include:
  • step S31 is carried out to realize that the power exchange device first drives the battery pack to move the first distance away from the opening direction of the first-level lock slot 530, that is, to realize the pre-push of the lock shaft 550 of the battery pack, so that the battery pack
  • the upper lock shaft 550 is separated from the first-level lock tongue 540 to prevent the two from being abutted against each other when unlocking and thus being worn out.
  • step S311 since the unlocking member 600 has jacked up the lock link 520 at this time, the first-level deadbolt 540 rotates upwards after losing the power of the lock shaft 550 to stop its rotation after step S31, and opens the opening of the first-level lock groove 530 , and finally through step S32 to realize that the power exchange equipment drives the battery pack to move a second distance toward the opening of the first-level lock slot 530.
  • the lock shaft 550 of the battery pack moves above the opening of the first-level lock slot 530.
  • the lock groove 530 no longer provides support for the lock shaft 550, so the battery pack falls off the vehicle under the action of gravity.
  • the battery pack to be unlocked is separated from the vehicle, and the entire unlocking process is completed.
  • the unlocking process of the secondary lock 210 and the positioning member 100 is consistent with the unlocking process of the primary lock 500 and the unlocking member 600 .
  • the unlocking member 600 includes an unlocking push rod and a spring, and the direction in which the spring is compressed is opposite to the direction in which the locking link 520 is pushed up. Based on the above configuration, during the process of the unlocking push rod pushing up the lock link 520, the spring is always in a compressed state.
  • the unlocking push rod is in a pressed state.
  • the unlocking push rod when the positioning member 100 and the secondary lock 210 have not been mated in place, the unlocking push rod has already entered the pressed state in advance. Therefore, before unlocking, the unlocking push rod is compressed and stored to ensure the success rate of unlocking, and at the same time, wear between the primary lock tongue 540 and the lock shaft 550 , and the secondary lock tongue 212 and the lock shaft 550 can be avoided.
  • this embodiment provides an unlocking method for a battery swapping device, which is used to replace a battery of a vehicle, and is applicable to the battery swapping device in Embodiment 4 of the present invention.
  • the unlocking method of the power exchange equipment in this embodiment is also approximately the same as that in Embodiment 5. at:
  • step S2 the detection element detects whether the positioning matching part and the positioning part are in place.
  • the specific steps are: acquiring the state of the detection element, and judging whether the detection element is in a triggered state.
  • the specific steps of detecting whether the positioning matching part and the positioning part are matched in place in this embodiment are adjusted according to the working principle of the sensor.
  • Embodiment 4 of the present invention when the detection element is installed on the side wall 321, it is used to determine whether the secondary lock 210 blocks the detection element as the basis for judging whether the positioning member and the secondary lock 210 are in place.
  • Embodiment 7 discloses another specific implementation of the power exchange equipment. Its overall structure and function are basically the same as those of the power exchange equipment in Embodiments 1 to 4. The difference lies in:
  • the positioning piece 100 is arranged on the battery positioning part, and the secondary lock 210 used in conjunction with the positioning piece 100 is not the secondary lock 210, but the positioning block on the battery pack.
  • the positioning block is a square shape and is located on the side of the battery pack. The part is located between the side part of the battery pack and the frame 400 of the vehicle body.
  • the locking mechanism can be unlocked or locked.
  • the specific unlocking or locking process is the same as that of Embodiments 1 to 4, and will not be repeated here.
  • the unlocking method of the battery replacement device in this embodiment can also be divided into two types according to the different positions of the detection elements and the different working principles, which correspond to the examples of embodiment 5 or embodiment 6 respectively, and will not be repeated here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Composant de positionnement, dispositif de permutation de batterie et procédé de déverrouillage lors de l'utilisation du dispositif de permutation de batterie. Le composant de positionnement (100) est disposé sur le dispositif de permutation de batterie et est utilisé pour un positionnement entre le dispositif de permutation de batterie et un véhicule électrique lorsque le dispositif de permutation de batterie permute une batterie pour le véhicule électrique. Le véhicule électrique est doté d'une partie d'adaptation de positionnement. Le composant de positionnement (100) comprend un corps de composant de positionnement (101) ; une zone de réception (31) est formée sur le corps d'élément de positionnement (101) ; un composant de détection (5) est disposé dans la zone de réception (31) ; le composant de détection (5) est utilisé pour détecter si oui ou non le composant de positionnement (100) et le composant d'adaptation de positionnement sont en place lorsque le dispositif de permutation de batterie permute la batterie du véhicule électrique. Sont également fournis un dispositif de permutation de batterie comprenant le composant de positionnement et un procédé de déverrouillage correspondant. Le composant de positionnement (100) est utilisé conjointement avec le composant d'adaptation de positionnement sur le véhicule. Le composant de détection (5) est utilisé pour détecter si oui ou non le composant de positionnement (100) et le composant d'adaptation de positionnement sont en place, c'est-à-dire si oui ou non la distance entre le composant de positionnement (100) et le composant d'adaptation de positionnement répond à une exigence, de manière à obtenir un état d'adaptation stable entre le composant de positionnement (100) et le composant d'adaptation de positionnement, ce qui permet d'atteindre l'objectif d'un déverrouillage et d'un verrouillage fiables et de garantir le taux de réussite du déverrouillage.
PCT/CN2022/123339 2021-09-30 2022-09-30 Composant de positionnement, dispositif de permutation de batterie et procédé de déverrouillage lors de l'utilisation d'un dispositif de permutation de batterie WO2023051795A1 (fr)

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CN202111165938.5A CN115891749A (zh) 2021-09-30 2021-09-30 定位件、换电设备及使用换电设备的解锁方法
CN202111165938.5 2021-09-30

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CN111791745A (zh) * 2019-04-04 2020-10-20 奥动新能源汽车科技有限公司 定位解锁装置、换电设备和控制方法
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Publication number Priority date Publication date Assignee Title
JPH07172190A (ja) * 1993-12-22 1995-07-11 Nissan Motor Co Ltd 電気自動車のバッテリ搭載装置
CN106515681A (zh) * 2016-12-30 2017-03-22 上海电巴新能源科技有限公司 换电移动装置和快换系统
CN108128132A (zh) * 2017-04-01 2018-06-08 上海电巴新能源科技有限公司 电池锁止解锁系统、电动汽车换电控制系统及其控制方法
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