WO2020173492A1 - 快换结构总成及包含其的电动汽车 - Google Patents

快换结构总成及包含其的电动汽车 Download PDF

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Publication number
WO2020173492A1
WO2020173492A1 PCT/CN2020/077131 CN2020077131W WO2020173492A1 WO 2020173492 A1 WO2020173492 A1 WO 2020173492A1 CN 2020077131 W CN2020077131 W CN 2020077131W WO 2020173492 A1 WO2020173492 A1 WO 2020173492A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery pack
bracket
quick
limiting
battery
Prior art date
Application number
PCT/CN2020/077131
Other languages
English (en)
French (fr)
Inventor
张建平
黄春华
Original Assignee
奥动新能源汽车科技有限公司
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 奥动新能源汽车科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Priority to JP2021549669A priority Critical patent/JP7282193B2/ja
Priority to KR1020217031114A priority patent/KR102648669B1/ko
Publication of WO2020173492A1 publication Critical patent/WO2020173492A1/zh

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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 quick-change structure assembly and an electric vehicle containing the same. Background technique
  • the X direction refers to the length direction of the electric vehicle
  • the Y direction refers to the width direction of the electric vehicle
  • the Z direction refers to the direction perpendicular to the X and Y directions.
  • the quick-change battery pack assembly uses the lock tongue to limit the position in the X direction.
  • the lock shaft on the battery pack moves in the X direction and is inserted into the lock groove.
  • the lock tongue restricts the lock shaft from moving in the lock groove along the X direction.
  • the rubber limit block elastomer is used as an aid to ensure that there is no gap in the X direction.
  • Multi-point transition fit is adopted in the Z direction, and the battery pack adopts a locking mechanism to install and connect to the replacement bracket at multiple points.
  • the diameter of the lock shaft is 12mm
  • the height of the lock groove on the lock base is 12.1mm
  • the fit gap is 0-0.1 mm, although there is a certain processing error, the actual error is 0.1-0.3mm, and the two-level error is used for assembly.
  • the actual locking mechanism has a form of over-positioning restriction in the use of the actual locking mechanism. There is bound to be a phenomenon of multiple points knocking each other in the Z direction, invisible In this way, the Z-direction is in a state of no gap, which prevents vibration in the Z-direction during vehicle driving.
  • the battery pack needs a certain gap between the battery pack and the battery replacement bracket in the Y direction. If there is no gap, the battery pack will be stuck in the middle of the battery replacement bracket and cannot be replaced. At present, the gap between the side of the battery pack in the Y direction and the battery replacement bracket is 18mm.
  • the elastic limit block plus the dead limit is adopted.
  • the dead limit width is 17mm, and the elastic limit of the elastic limit block is 0-1.3mm. , Under normal circumstances, the elastic limit block is compressed by 0.3 mm (interference), and the battery pack can be moved by 1 mm on the left and right sides of the Y direction.
  • the technical problem to be solved by the present invention is to overcome the defect that the battery pack of the electric vehicle in the prior art will produce left-to-right displacement under conditions such as cornering driving, abnormal noise and other undesirable phenomena, which affect the normal driving feeling, and provide a quick-change structure Assembly and electric vehicle containing it.
  • a quick-change structure assembly which includes a battery pack, a battery-changing bracket, and several locking parts. The components are all used to lock the battery pack in the battery pack bracket to limit the relative displacement of the battery pack in the X direction and Z direction in the battery pack bracket.
  • the feature is that the quick-change structure
  • the assembly also includes:
  • At least one Y-direction limiting mechanism is used to limit the relative movement of the battery pack in the Y direction in the battery replacement bracket after the locking member is locked and fixed.
  • the above-mentioned structural form is adopted, and the relative movement of the battery pack along the Y direction in the battery replacement bracket is restricted by the Y-direction limiting mechanism, thereby reliably restricting the left and right displacement of the battery pack, even when driving on a bend or running unevenly. It can also avoid abnormal noise or wear caused by the collision between the battery pack and the battery replacement bracket in the Y direction, which greatly improves the safety performance and service life of the quick-change structure assembly.
  • the Y-direction limiting mechanism includes a limiting member arranged on the battery pack and a fixing member arranged on the battery replacement bracket, and the limiting member is connected to the fixing member to restrict The battery pack relatively moves in the Y direction in the battery replacement bracket.
  • the above-mentioned structural form is adopted, and the battery pack is connected to the fixing member on the battery replacement bracket through the limiting member, which effectively strengthens the connection strength between the battery pack and the battery replacement bracket, thereby restricting the battery pack in the battery replacement bracket Relative movement in Y direction.
  • the limiting member includes a protrusion, one end of the protrusion is connected to the battery pack, and the other end of the protrusion extends outward along the X direction;
  • the fixing member includes a fixing plate, one side of the fixing plate is connected to the battery replacement bracket, the other side of the fixing plate has an inwardly recessed limit groove, and the protrusion is inserted in the In the limit slot.
  • the above-mentioned structure is adopted, and the protrusion is inserted into the limiting slot, which enhances the movement control of the battery pack in the Y direction in the battery replacement bracket; at the same time, the structure is simple and the processing is convenient.
  • the limiting member further includes a flange portion, one side of the flange portion is connected to the battery pack, and the protrusion portion is connected to the other side of the flange portion;
  • the limiting member and the battery pack are integrally formed.
  • the shape of the limiting groove is horn-shaped.
  • the above-mentioned structural form is adopted to facilitate the insertion of the protrusion into the limiting slot through the horn shape, so as to achieve precise positioning and control the movement of the battery pack in the Y direction in the battery replacement bracket.
  • the fixing plate and the power exchange bracket are integrally formed;
  • the fixing plate is connected to the power exchange bracket by a fastener.
  • the shape of the protrusion is a column or a cone.
  • one end of the protrusion facing the limiting groove has a first sliding guide surface.
  • the above-mentioned structural form is adopted, and the first sliding surface plays a guiding role to ensure the insertion limit of the protrusion.
  • the installation reliability of the quick-change structure assembly is improved.
  • the number of the limiting member and the fixing member is multiple, and the multiple limiting members correspond to the multiple fixing members, and the multiple fixing members are all connected to the vehicle end
  • the electrical connectors are located on the same side of the battery replacement bracket, the multiple limiting members are located on the same side of the battery pack as the battery terminal electrical connectors, and the multiple limiting members are respectively provided on the battery End the ends of the electrical connector.
  • the above-mentioned structural form is adopted, and the stability of the connection between the battery end electrical connector and the vehicle end electrical connector can be enhanced by the Y-direction limit mechanism, and the electrical connection between the battery end electrical connector and the vehicle end can be effectively avoided.
  • the phenomenon of offset and dislocation occurs in the Y direction, which greatly improves the stability of the quick-change structure assembly.
  • the quick-change structure assembly further includes a plurality of elastic limit components, and one ends of the plurality of elastic limit components are respectively connected to both sides of the battery pack along the Y direction, and a plurality of The other end of the elastic limit component all abuts against the inner wall surface of the power exchange bracket.
  • the above-mentioned structural form is adopted, and the elastic limit components are installed on both sides of the battery pack along the Y direction to clamp the battery pack in the battery replacement bracket.
  • the elastic limit components are replaced after the battery pack is installed.
  • the Y-direction of the battery holder plays a clamping role, so that the battery pack can be clamped in the battery-exchange holder very reliably, which further avoids abnormal noise or wear caused by the collision of the battery pack in the Y-direction in the battery pack.
  • the elastic limit component includes:
  • a mounting shell the mounting shell is fixed to the battery pack, the mounting shell has an accommodating cavity inside, and the outer side of the mounting shell is provided with a mounting port communicating with the accommodating cavity;
  • the limiting portion, the limiting portion penetrates the installation opening, and the outer side surface of the limiting portion extends outwards from the installation opening in the Y direction and abuts against the inside of the power exchange bracket Wall
  • An elastic component acts on the inner surface of the limiting portion, and transmits a varying force between the limiting portion and the guide mounting shell, for providing an outward direction along the Y direction
  • the clamping force is given to the battery replacement bracket.
  • the top of the outer side surface of the mounting shell has a second sliding surface
  • the top of the limiting portion protruding from the mounting opening has a third sliding guide surface.
  • the second sliding guide surface and the third sliding guide surface can better play a guiding role, so as to ensure that the battery pack is inserted into the battery replacement bracket and to ensure the function of the elastic limit component Power in the battery replacement bracket.
  • the quick-change structure assembly further includes a plurality of buckle limit components
  • the buckle limit components include a battery pack buckle limit member arranged on the battery pack and a battery pack
  • the bracket snap-limiting member on the electric support, and the battery pack snap-limiting member is clamped on the bracket snap-limiting member to restrict the battery pack in the Y direction in the battery replacement bracket Relative movement.
  • the above-mentioned structural form is adopted, and the relative movement of the battery pack in the Y direction in the battery exchange bracket is further restricted by the buckle limit component, thereby reliably restricting the left and right displacement of the battery pack, even when driving on a curve or when running unevenly. It can also avoid abnormal noise or wear caused by collision between the battery pack and the battery replacement bracket in the Y direction, and further improve the safety performance and service life of the quick-change structure assembly.
  • a plurality of the battery pack buckle limiting members are respectively fixed on the two sides of the battery pack along the Y direction, and the battery pack buckle limiting member and the side surface of the battery pack There is room for battery pack in the room;
  • a plurality of the bracket snap-limiting members corresponds to a plurality of the battery pack snap-limiting members, and the bracket snap-limiting member is fixed to the inner wall surface of the battery replacement bracket, and the bracket snap-limiting There is a bracket accommodating space between the position piece and the inner wall surface of the side wall of the battery replacement bracket;
  • the battery pack buckle limiter is clamped in the bracket accommodating space, and the rack buckle limiter is clamped in the bracket accommodating space.
  • An electric vehicle is characterized in that it includes the quick-change structure assembly as described above.
  • the Y-direction limiting mechanism restricts the relative movement of the battery pack in the Y direction in the battery exchange bracket, thereby reliably restricting the left and right displacement of the battery pack, and avoiding the battery pack and Abnormal noise or abrasion caused by collision between the power exchange brackets greatly improves the safety performance and service life of the quick-change structure assembly.
  • Figure 1 is a schematic structural diagram of a quick-change structure assembly according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of an exploded structure of the quick-change structure assembly of Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of the structure of the power exchange bracket of the quick-change structure assembly of Embodiment 1 of the present invention.
  • Fig. 4 is a schematic diagram of the internal structure of the Y-direction limiting mechanism of the quick-change structure assembly of Embodiment 1 of the present invention.
  • FIG. 5 is a schematic diagram of the internal structure of the elastic limit component of the quick-change structure assembly of Embodiment 1 of the present invention.
  • Fig. 6 is a schematic structural diagram of the buckle limiting component of the quick-change structure assembly according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a part of the structure of the battery pack of the quick-change structure assembly of Embodiment 2 of the present invention.
  • Fig. 8 is a schematic diagram of a part of the structure of the switch bracket of the quick change structure assembly according to the second embodiment of the present invention. detailed description
  • the quick-change structure assembly of this embodiment includes a battery pack 10, a power-changing bracket 20, a number of locking parts 30 and at least one Y-direction limiting mechanism 40, and a number of locking parts 30 Both are used to lock the battery pack 10 in the power exchange bracket 20 to limit the relative displacement of the battery pack 10 in the X direction 100 and the Z direction 300 in the power exchange bracket 20.
  • the locking component 30 adopts a lock shaft and a lock base, a plurality of lock shafts are respectively fixed on both sides of the battery pack 10, and the lock base is fixed in the battery replacement bracket 20.
  • the battery pack 10 can move along the Y direction 200 in the battery replacement bracket 20, so that the lock shaft can be inserted into the lock base or detached from the lock base.
  • the Y-direction limiting mechanism 40 is used for restricting the relative movement of the battery pack 10 in the Y-direction 200 in the power exchange bracket 20 after the locking component 30 is locked and fixed.
  • the Y-direction limiting mechanism 40 restricts the relative movement of the battery pack 10 in the Y-direction 200 in the battery pack 20, thereby reliably limiting the left and right displacements of the battery pack 10, which can be avoided even when cornering or unsteady running
  • the abnormal noise or wear caused by the collision between the battery pack 10 and the battery replacement bracket 20 in the Y direction 200 greatly improves the safety performance and service life of the quick-change structure assembly.
  • the Y-direction limiting mechanism 40 includes a limiting member 41 arranged on the battery pack 10 and a fixing member 42 arranged on the battery replacement bracket 20.
  • the limiting member 41 is connected to the fixing member 42 to restrict the battery pack 10 from being placed on the battery replacement bracket. 20 relative movement up to 200 along the Y direction.
  • the battery pack 10 is connected to the fixing member 42 on the battery replacement bracket 20 through the limiting member 41, which effectively strengthens the connection strength between the battery pack 10 and the battery replacement bracket 20, thereby restricting the battery pack 10 from moving along the inner edge of the battery replacement bracket 20. Move relative to 200.
  • the limiting member 41 includes a protrusion 411, one end of the protrusion 411 is connected to the battery pack 10, and the other end of the protrusion 411 extends outward along the X direction 100;
  • the fixing member 42 includes a fixing plate 421, One side of the fixing plate 421 is connected to the power exchange bracket 20, the other side of the fixing plate 421 has a limiting groove 422 recessed inward, and the protrusion 411 is inserted into the limiting groove 422.
  • the shape of the limiting slot 422 is horn-like.
  • the horn shape facilitates the insertion of the protrusion 411 into the limiting slot 422, thereby achieving precise positioning and controlling the movement of the battery pack 10 in the Y direction 200 in the battery replacement bracket 20.
  • the shape of the protrusion 411 may be a cylinder, and the shape of the protrusion 411 may also be a cone. It is only required that the protruding portion 411 can be inserted into the limiting groove 422 and accurately positioned and fitted.
  • An end of the protrusion 411 facing the limiting groove 422 has a first sliding surface 413.
  • the first sliding surface 413 plays a guiding role to ensure that the protrusion 411 is inserted into the limiting groove 422, which improves the installation reliability of the quick-change structure assembly.
  • the limiting member 41 and the battery pack 10 are integrally formed.
  • the connection strength between the limiting member 41 and the battery pack 10 is effectively strengthened, and the processing and manufacturing are convenient.
  • the fixing plate 421 and the battery replacement bracket 20 are integrally formed.
  • the connection strength between the fixing plate 421 and the power exchange bracket 20 is effectively strengthened, and the processing is convenient.
  • the number of the limiting member 41 and the fixing member 42 is multiple, and there is a one-to-one correspondence between the multiple limiting members 41 and the multiple fixing members 42.
  • the multiple fixing members 42 and the vehicle-end electrical connector are all located in the power exchange bracket 20.
  • the multiple limiting members 41 are located on the same side of the battery pack 10 as the battery terminal electrical connector, and the multiple limiting members 41 are respectively disposed at both ends of the battery terminal electrical connector.
  • the Y-direction limiting mechanism 40 can enhance the stability of the connection between the battery-end electrical connector and the vehicle-end electrical connector, and effectively prevent the battery-end electrical connector and the vehicle-end electrical connector from being in the Y direction 200 when they are connected. The phenomenon of offset and dislocation occurs, which greatly improves the stability of the quick-change structure assembly.
  • the battery end electrical connector and the limiting member 41 are both provided at the front end of the battery pack 10, and the vehicle end electrical connector and the fixing member 42 are both provided at the front end of the battery replacement bracket 20.
  • the front end refers to the end close to the front of the electric vehicle
  • the rear end refers to the end close to the rear of the electric vehicle.
  • the quick-change structure assembly also includes a number of elastic limit components 50.
  • One ends of the several elastic limit components 50 are respectively connected to both sides of the battery pack 10 along the Y direction 200, and the other ends of the several elastic limit components 50 are Leans against the inner wall surface of the battery replacement bracket 20.
  • the elastic limit component 50 is installed on both sides of the battery pack 10 along the Y direction 200 to clamp the battery pack 10 in the battery replacement bracket 20.
  • the elastic limit component 50 is installed on the battery pack 10 after the battery pack 10 is installed.
  • the Y-direction 200 plays a clamping role, so that the battery pack 10 can be clamped very reliably in the power exchange bracket 20, which further prevents the battery pack 10 from colliding on the Y-direction 200 in the power exchange bracket 20. Abnormal noise or wear greatly improves the safety performance and service life of the quick-change structure assembly.
  • the elastic limit assembly 50 includes a mounting shell 51, a limiting portion 52, and elastic components.
  • the mounting shell 51 is fixed to the battery pack 10, and the mounting shell 51 has a receiving cavity 511 inside, and the outer side of the mounting shell 51 is provided with a receiving cavity 511 connected installation opening 512; the limiting portion 52 penetrates the installation opening 512, and the outer surface of the limiting portion 52 extends outwards from the installation opening 512 along the Y direction 200 and abuts against the inner wall surface of the power exchange bracket 20;
  • the elastic component acts on the inner surface of the limiting portion 52 and transmits a varying force between the limiting portion 52 and the guide mounting shell 51 to provide a clamping force outward along the Y direction 200 to the battery replacement bracket 20.
  • the elastic component ensures that the battery pack 10 can be clamped in the battery replacement bracket 20 very reliably, and has a simple structure and convenient assembly.
  • the top of the outer side surface of the mounting shell 51 has a second sliding surface 513.
  • the second sliding guide surface 513 extends obliquely inwardly along the thickness direction of the mounting shell 51 to the upper end surface of the mounting shell 51.
  • the top of the outer side surface of the mounting shell 51 has a second sliding guide surface 513.
  • the top of the limiting portion 52 protruding from the mounting opening 512 has a third sliding surface 521.
  • the third sliding surface 521 is along the mounting shell
  • the thickness direction of 51 extends obliquely inward.
  • the quick-change structure assembly further includes a plurality of buckle limit components 60, the buckle limit component 60 includes a battery pack buckle limiter 61 arranged on the battery pack 10 and a bracket buckle arranged on the battery pack 20 The limit member 62, the battery pack buckle limit member 61 is clamped to the bracket buckle limit member 62 to limit the relative movement of the battery pack 10 in the Y direction 200 in the battery pack bracket 20.
  • the buckle limit component 60 further restricts the relative movement of the battery pack 10 in the Y-direction 200 in the battery replacement bracket 20, thereby reliably limiting the left and right displacement of the battery pack 10, which can be avoided even when cornering or uneven running This reduces the abnormal noise or wear caused by the collision between the battery pack 10 and the battery replacement bracket 20 in the Y direction 200, and further improves the safety performance and service life of the quick-change structure assembly.
  • the number of the buckle limit components 60 is two, and the two battery pack buckle limit members 61 are respectively disposed on both sides of the rear end of the battery pack 10, and the two bracket buckle limit members 62 are respectively
  • the two detection U arranged at the rear end of the battery pack 10 and the battery pack 20 are positioned at the front and rear ends of the battery pack 10 and the battery pack 20 respectively through the Y-direction limit mechanism 40 and the buckle limit component 60 to limit the battery pack
  • the front end and the rear end of 10 both move relative to each other in the Y direction 200 in the power exchange bracket 20.
  • the Y-direction limit mechanism 40 and the buckle limit assembly 60 are arranged at both ends of the battery pack 10
  • a plurality of elastic limit components 50 are arranged at intervals on both sides of the Y direction 200, and the Y direction limit mechanism 40, the elastic limit components 50 and the buckle limit components 60 simultaneously restrict the battery pack 10 from being along the Y direction of the battery replacement bracket 20.
  • the relative movement upwards 200 thereby reliably limiting the left and right displacement of the battery pack 10, even when cornering or uneven running, it can also avoid the collision between the battery pack 10 and the battery replacement bracket 20 caused by the collision in the Y direction 200. Noise or wear, further improve the safety performance and service life of the quick-change structure assembly.
  • Two battery pack buckle stoppers 61 are respectively fixed on both sides of the battery pack 10 along the Y direction 200, and there is a battery pack accommodating space 611 between the battery pack buckle stoppers 61 and the side of the battery pack 10;
  • Two bracket snap-limiting members 62 correspond to a plurality of battery pack snap-limiting members 61 -, and the bracket snap-limiting member 62 is fixed to the inner wall surface of the power replacement bracket 20, and the bracket snap-limiting member 62 is connected to the power replacement bracket.
  • bracket accommodating space 621 between the inner wall surfaces of the side walls of the bracket 20; the battery pack buckle limiter 61 is clamped in the rack accommodating space 621, and the rack buckle limiter 62 is clamped in the rack accommodating space 621 o is locked
  • the battery pack buckle limiter 61 is clamped in the bracket accommodating space 621, and at the same time, the rack buckle limiter 62 is clamped in the bracket accommodating space 621; after the locking component 30 is disassembled,
  • the battery pack buckle limiting member 61 also escapes from the bracket accommodating space 621, and at the same time, the bracket buckle limiting member 62 also escapes from the bracket accommodating space 621.
  • the structure is simple and easy to use.
  • This embodiment also discloses an electric vehicle, which includes the quick change structure assembly as described above.
  • the Y-direction limiting mechanism 40 restricts the relative movement of the battery pack 10 in the Y-direction 200 in the battery pack 20, thereby reliably restricting the left and right displacement of the battery pack 10, and can avoid the battery even when driving on a bend or running unevenly.
  • Abnormal noise or wear caused by the collision between the bag 10 and the battery replacement bracket 20 in the Y direction 200 greatly improves the safety performance and service life of the electric vehicle.
  • the structure of the quick-change structure assembly of the second embodiment and the same part of the first embodiment will not be repeated, and only the differences will be described.
  • the limiting member 41 further includes a flange portion 412, one side of the flange portion 412 is connected to the battery pack 10, and the protrusion 411 Connected to the other side of the flange portion 412.
  • the limiting member 41 is connected to the battery pack 10 via a flange portion 412, wherein the flange portion 412 is detachably connected to the battery pack 10 via fasteners, which is very convenient for adjustment, maintenance and replacement.
  • the fixed plate 421 and the power exchange bracket 20 are separated in structure, and the fixed plate 421 is connected to the power exchange bracket 20 by fasteners. It is very convenient to adjust, maintain and replace the fixing member 42.

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

Abstract

一种快换结构总成及包含其的电动汽车，所述快换结构总成包括电池包（10）、换电支架（20）和若干个锁止部件（30），若干个所述锁止部件（30）均用于将所述电池包（10）锁紧于所述换电支架（20）内，以限制所述电池包（10）在所述换电支架（20）内沿X向和Z向上相对位移，所述快换结构总成还包括：至少一个Y向限位机构（40），所述Y向限位机构（40）用于在所述锁止部件（30）卡合固定后，以限制所述电池包（10）在所述换电支架（20）内沿Y向上相对移动。所述电动汽车包括所述快换结构总成。通过Y向限位机构（40）限制电池包（10）在换电支架（20）内沿Y向上相对运动，从而可靠地限制电池包（10）产生左右位移，避免了电池包（10）与换电支架（20）之间产生碰撞造成的异响或磨损，大大提高了快换结构总成的安全性能和使用寿命。

Description

快换结构总成及包含其的电动汽车 本申请要求申请日为 2019/2/28的中国专利申请 2019101514842的优先权。 本申请 引用上述中国专利申请的全文。 技术领域
本发明涉及一种快换结构总成及包含其的电动汽车。 背景技术
在电动汽车中， X向指电动汽车的长度方向， Y向指电动汽车的宽度方向， Z向指与 X向和 Y向相垂直的方向。 目前， 快换电池包总成采用锁舌在 X向限位， 电池包上的锁 轴在 X向移动并插入至锁止槽内， 通过锁舌限制锁轴在锁止槽内沿 X向移动， 且通过橡 胶限位块弹性体做辅助， 保证 X向无间隙。 在 Z向上采用多点过渡配合， 电池包上多点 采用锁止机构与换电支架安装连接，锁轴直径为 12mm，锁基座上的锁止槽高度为 12.1mm, 配合间隙为 0-0.1mm， 虽有一定的加工误差， 实际误差 0.1-0.3mm， 两级误差装配使用， 实际锁止机构配合使用中存在过定位限制的形式， 势必在 Z向上存在多点互相敲劲的现 象， 无形中导致 Z向处于无间隙的状态， 防止车辆行驶中 Z向的振动。
电池包在 Y向上由于换电的需要， 电池包与换电支架需要一定的间隙， 无间隙则电 池包会卡在换电支架中间而无法换电。 目前， 电池包在 Y向的侧面与换电支架之间的间 隙为 18mm， 采用弹性限位块加死限位的形式， 死限位宽度为 17mm， 弹性限位块弹性量 为 0-1.3mm， 正常情况下弹性限位块压缩 0.3 mm（过盈）， 电池包在 Y向的左右两侧各 1mm的可移动量。 由于电动汽车在拐弯行驶等条件下， 电池包自重约 400KG左右， 离心 力会克服弹性体， 使得电池包在 Y向上产生左右位移， 锁轴与锁基座间产生摩擦， 出现 异响等不良现象， 影响正常驾驶感。 发明内容
本发明所要解决的技术问题是为了克服现有技术中的电动汽车在拐弯行驶等条件下 电池包会产生左右位移， 出现异响等不良现象， 影响正常驾驶感的缺陷， 提供一种快换 结构总成及包含其的电动汽车。
本发明是通过下述技术方案来解决上述技术问题：
一种快换结构总成， 其包括电池包、 换电支架和若干个锁止部件， 若干个所述锁止 部件均用于将所述电池包锁紧于所述换电支架内， 以限制所述电池包在所述换电支架内 沿 X向和 Z向上相对位移， 其特点在于， 所述快换结构总成还包括：
至少一个 Y向限位机构， 所述 Y向限位机构用于在所述锁止部件卡合固定后， 以限 制所述电池包在所述换电支架内沿 Y向上相对移动。
在本方案中， 采用上述结构形式， 通过 Y向限位机构限制电池包在换电支架内沿 Y 向上相对运动， 从而可靠地限制电池包产生左右位移， 即使在拐弯行驶或者非平稳运行 时， 也能够避免了电池包与换电支架之间 Y向上产生碰撞造成的异响或磨损， 大大提高 了快换结构总成的安全性能和使用寿命。
较佳地， 所述 Y向限位机构包括设置于所述电池包上的限位件和设置于所述换电支 架上的固定件， 所述限位件连接于所述固定件， 以限制所述电池包在所述换电支架内沿 所述 Y向上相对移动。
在本方案中， 采用上述结构形式， 电池包通过限位件连接于换电支架上的固定件， 有效加强了电池包与换电支架之间的连接强度， 从而限制电池包在换电支架内沿 Y向上 相对移动。
较佳地， 所述限位件包括有凸起部， 所述凸起部的一端连接于所述电池包， 且所述 凸起部的另一端沿所述 X向向外延伸凸起；
所述固定件包括有固定板， 所述固定板的一侧连接于所述换电支架， 所述固定板的 另一侧具有向内凹陷的限位槽， 所述凸起部插设于所述限位槽内。
在本方案中， 采用上述结构形式， 通过凸起部插入至限位槽内， 增强了电池包在换 电支架内沿 Y向上的移动控制； 同时， 结构简单， 加工制作方便。
较佳地， 所述限位件还包括有法兰部， 所述法兰部的一侧连接于所述电池包， 所述 凸起部连接于所述法兰部的另一侧；
或者， 所述限位件与所述电池包之间一体成型。
较佳地， 所述限位槽的形状呈喇叭状。
在本方案中， 采用上述结构形式， 通过喇叭状便于凸起部的插入至限位槽内， 从而 实现精确定位， 且控制电池包在换电支架内沿 Y向上的移动。
较佳地， 所述固定板与所述换电支架之间一体成型；
或者， 所述固定板通过紧固件连接于所述换电支架。
较佳地， 所述凸起部的形状呈柱体或者锥体。
较佳地， 所述凸起部朝向所述限位槽的一端具有第一导滑面。
在本方案中， 采用上述结构形式， 第一导滑面起到导向作用， 以确保凸起部插入限 位槽内， 提高了快换结构总成的安装可靠性。
较佳地， 所述限位件和所述固定件的数量为多个， 且多个所述限位件与多个所述固 定件之间 -对应， 多个所述固定件均与车端电连接器位于所述换电支架的同一侧， 多 个所述限位件均与电池端电连接器位于所述电池包的同一侧， 且多个所述限位件分别设 置于所述电池端电连接器的两端。
在本方案中， 采用上述结构形式， 通过 Y向限位机构能够加强了电池端电连接器与 车端电连接器之间连接的稳定性， 有效避免了电池端电连接器与车端电连接器在连接时 在 Y向上产生偏移错位现象， 大大提高了快换结构总成的稳定性。
较佳地， 所述快换结构总成还包括若干个弹性限位组件， 若干个所述弹性限位组件 的一端分别连接于所述电池包中沿所述 Y向的两侧， 若干个所述弹性限位组件的另一端 均抵靠于所述换电支架的内壁面。
在本方案中， 采用上述结构形式， 弹性限位组件安装于电池包中沿 Y向的两侧， 以 将电池包夹紧于换电支架内， 弹性限位组件在电池包安装完成后在换电支架的 Y向上起 到夹紧的作用， 从而实现电池包能够非常可靠地夹紧在换电支架中， 进一步避免了电池 包在换电支架内在 Y向上产生碰撞造成的异响或磨损， 大大提高了快换结构总成的安全 性能和使用寿命。
较佳地， 所述弹性限位组件包括：
安装壳， 所述安装壳固设于所述电池包， 所述安装壳的内部具有一容纳腔， 所述安 装壳的外侧面设有与所述容纳腔相连通的安装口；
限位部， 所述限位部穿设于所述安装口， 且所述限位部的外侧面沿所述 Y向向外伸 出所述安装口并抵靠于所述换电支架的内壁面；
弹性部件， 所述弹性部件作用于所述限位部的内侧面， 且在所述限位部和所述导向 安装壳之间传递变化的力， 用于提供一沿所述 Y向向外的夹紧力给所述换电支架。
较佳地， 所述安装壳的外侧面的顶部具有第二导滑面；
和 /或， 所述限位部中伸出所述安装口的顶部具有第三导滑面。
在本方案中， 采用上述结构形式， 通过第二导滑面、 第三导滑面能够更好地起到导 向作用，以确保电池包插入至换电支架内，并保证了弹性限位组件作用力于换电支架内。
较佳地， 所述快换结构总成还包括多个卡扣限位组件， 所述卡扣限位组件包括设置 于所述电池包上的电池包卡扣限位件和设置于所述换电支架上的支架卡扣限位件， 所述 电池包卡扣限位件卡设于所述支架卡扣限位件， 以限制所述电池包在所述换电支架内沿 所述 Y向上相对移动。 在本方案中， 采用上述结构形式， 通过卡扣限位组件进一步限制电池包在换电支架 内沿 Y向上相对运动， 从而可靠地限制电池包产生左右位移， 即使在拐弯行驶或者非平 稳运行时， 也能够避免了电池包与换电支架之间 Y向上产生碰撞造成的异响或磨损， 进 一步提高了快换结构总成的安全性能和使用寿命。
较佳地，若干个所述电池包卡扣限位件分别固定于所述电池包中沿所述 Y向的两侧， 且所述电池包卡扣限位件与所述电池包的侧面之间具有电池包容纳空间；
若干个所述支架卡扣限位件与若干个所述电池包卡扣限位件 对应， 且所述支架 卡扣限位件固定于所述换电支架的内壁面， 所述支架卡扣限位件与所述换电支架的侧壁 的内壁面之间具有支架容纳空间；
所述电池包卡扣限位件卡设于所述支架容纳空间， 所述支架卡扣限位件卡设于所述 支架容纳空间。
一种电动汽车， 其特点在于， 其包括有如上所述的快换结构总成。
在符合本领域常识的基础上， 上述各优选条件， 可任意组合， 即得本发明各较佳实 例。
本发明的积极进步效果在于：
本发明的快换结构总成及包含其的电动汽车， 通过 Y向限位机构限制电池包在换电 支架内沿 Y向上相对运动， 从而可靠地限制电池包产生左右位移， 避免了电池包与换电 支架之间产生碰撞造成的异响或磨损，大大提高了快换结构总成的安全性能和使用寿命。 附图说明
图 1为本发明实施例 1的快换结构总成的结构示意图。
图 2为本发明实施例 1的快换结构总成的分解结构示意图。
图 3为本发明实施例 1的快换结构总成的换电支架的结构示意图。
图 4为本发明实施例 1的快换结构总成的 Y向限位机构的内部结构示意图。
图 5为本发明实施例 1的快换结构总成的弹性限位组件的内部结构示意图。
图 6为本发明实施例 1的快换结构总成的卡扣限位组件的结构示意图。
图 7为本发明实施例 2的快换结构总成的电池包的部分结构示意图。
图 8为本发明实施例 2的快换结构总成的换电支架的部分结构示意图。 具体实施方式
下面通过实施例的方式并结合附图来更清楚完整地说明本发明， 但并不因此将本发 明限制在的实施例范围之中。
实施例 1
如图 1至图 6所示， 本实施例的快换结构总成包括电池包 10、 换电支架 20、 若干个 锁止部件 30和至少一个 Y向限位机构 40， 若干个锁止部件 30均用于将电池包 10锁紧 于换电支架 20内， 以限制电池包 10在换电支架 20内沿 X向 100和 Z向 300上相对位 移。在本实施方式中， 锁止部件 30采用锁轴和锁基座， 若干个锁轴分别固定于电池包 10 的两侧， 锁基座固定于换电支架 20内。 电池包 10在换电支架 20内能够沿 Y向 200移 动， 使得锁轴可以插入至锁基座内或者脱离至锁基座外。
Y向限位机构 40用于在锁止部件 30卡合固定后， 以限制电池包 10在换电支架 20 内沿 Y向 200上相对移动。 通过 Y向限位机构 40限制电池包 10在换电支架 20内沿 Y 向 200上相对运动， 从而可靠地限制电池包 10产生左右位移， 即使在拐弯行驶或者非平 稳运行时， 也能够避免了电池包 10与换电支架 20之间 Y向 200上产生碰撞造成的异响 或磨损， 大大提高了快换结构总成的安全性能和使用寿命。
Y向限位机构 40包括设置于电池包 10上的限位件 41和设置于换电支架 20上的固 定件 42， 限位件 41连接于固定件 42， 以限制电池包 10在换电支架 20内沿 Y向 200上 相对移动。 电池包 10通过限位件 41连接于换电支架 20上的固定件 42, 有效加强了电 池包 10与换电支架 20之间的连接强度， 从而限制电池包 10在换电支架 20内沿 Y向 200上相对移动。
限位件 41包括有凸起部 411， 凸起部 411的一端连接于电池包 10, 且凸起部 411的 另一端沿 X向 100向外延伸凸起； 固定件 42包括有固定板 421， 固定板 421的一侧连接 于换电支架 20, 固定板 421的另一侧具有向内凹陷的限位槽 422, 凸起部 411插设于限 位槽 422内。 通过凸起部 411插入至限位槽 422内， 增强了电池包 10在换电支架 20内 沿 Y向 200上的移动控制； 同时， 结构简单， 加工制作方便。
限位槽 422的形状呈喇叭状。 通过喇叭状便于凸起部 411的插入至限位槽 422内， 从而实现精确定位， 且控制电池包 10在换电支架 20内沿 Y向 200上的移动。 其中， 凸 起部 411的形状可以呈柱体， 凸起部 411的形状也可以呈锥体。 只要求凸起部 411能够 插入于限位槽 422内并精确定位配合。
凸起部 411朝向限位槽 422的一端具有第一导滑面 413。 第一导滑面 413起到导向 作用， 以确保凸起部 411插入限位槽 422内， 提高了快换结构总成的安装可靠性。
限位件 41与电池包 10之间一体成型。 有效加强限位件 41与电池包 10之间的连接 强度， 且加工制作方便。 固定板 421与换电支架 20之间一体成型。 有效加强固定板 421与换电支架 20之间 的连接强度， 且加工制作方便。
限位件 41和固定件 42的数量为多个， 且多个限位件 41与多个固定件 42之间一一 对应， 多个固定件 42均与车端电连接器位于换电支架 20的同一侧， 多个限位件 41均与 电池端电连接器位于电池包 10的同一侧， 且多个限位件 41分别设置于电池端电连接器 的两端。 通过 Y向限位机构 40能够加强了电池端电连接器与车端电连接器之间连接的 稳定性， 有效避免了电池端电连接器与车端电连接器在连接时在 Y向 200上产生偏移错 位现象， 大大提高了快换结构总成的稳定性。
需要理解的是， 在本实施例中， 电池端电连接器和限位件 41均设置于电池包 10的 前端， 车端电连接器和固定件 42均设置于换电支架 20上的前端， 其中， 前端指的是靠 近电动汽车的车头的一端， 后端指的是靠近电动汽车的车尾的一端。
快换结构总成还包括若干个弹性限位组件 50, 若干个弹性限位组件 50的一端分别 连接于电池包 10中沿 Y向 200的两侧， 若干个弹性限位组件 50的另一端均抵靠于换电 支架 20的内壁面。 弹性限位组件 50安装于电池包 10中沿 Y向 200的两侧， 以将电池 包 10夹紧于换电支架 20内，弹性限位组件 50在电池包 10安装完成后在换电支架 20的 Y向 200上起到夹紧的作用，从而实现电池包 10能够非常可靠地夹紧在换电支架 20中， 进一步避免了电池包 10在换电支架 20内在 Y向 200上产生碰撞造成的异响或磨损， 大 大提高了快换结构总成的安全性能和使用寿命。
弹性限位组件 50包括安装壳 51、 限位部 52和弹性部件， 安装壳 51固设于电池包 10,安装壳 51的内部具有一容纳腔 511， 安装壳 51的外侧面设有与容纳腔 511相连通的 安装口 512; 限位部 52穿设于安装口 512， 且限位部 52的外侧面沿 Y向 200向外伸出 安装口 512并抵靠于换电支架 20的内壁面； 弹性部件作用于限位部 52的内侧面， 且在 限位部 52和导向安装壳 51之间传递变化的力， 用于提供一沿 Y向 200向外的夹紧力给 换电支架 20。 通过弹性部件以保证电池包 10能够非常可靠地夹紧在换电支架 20中， 且 结构简单， 组装方便。
安装壳 51的外侧面的顶部具有第二导滑面 513。 第二导滑面 513沿安装壳 51的厚 度方向斜向内延伸至安装壳 51的上端面，安装壳 51的外侧面的顶部具有第二导滑面 513 , 在将电池包 10安装于换电支架 20时， 电池包 10沿 Z向 300移动的过程中， 第二导滑面 513能够更好地起到导向作用， 以确保电池包 10插入至换电支架 20内，并保证了弹性限 位组件 50作用力于换电支架 20内。
限位部 52中伸出安装口 512的顶部具有第三导滑面 521。 第三导滑面 521沿安装壳 51的厚度方向斜向内延伸， 在将电池包 10安装于换电支架 20时， 电池包 10沿 Z向 300 移动的过程中， 第三导滑面 521的顶部能够更好地起到导向作用， 以确保电池包 10插入 至换电支架 20内， 并保证了弹性限位组件 50作用力于换电支架 20内。
快换结构总成还包括多个卡扣限位组件 60, 卡扣限位组件 60包括设置于电池包 10 上的电池包卡扣限位件 61和设置于换电支架 20上的支架卡扣限位件 62， 电池包卡扣限 位件 61卡设于支架卡扣限位件 62， 以限制电池包 10在换电支架 20内沿 Y向 200上相 对移动。 通过卡扣限位组件 60进一步限制电池包 10在换电支架 20内沿 Y向 200上相 对运动， 从而可靠地限制电池包 10产生左右位移， 即使在拐弯行驶或者非平稳运行时， 也能够避免了电池包 10与换电支架 20之间 Y向 200上产生碰撞造成的异响或磨损， 进 一步提高了快换结构总成的安全性能和使用寿命。
在本实施例中， 卡扣限位组件 60的数量为两个， 且两个电池包卡扣限位件 61分别 设置于电池包 10后端的两侧，两个支架卡扣限位件 62分别设置于换电支架 20内后端的 两侦 U， 电池包 10与换电支架 20之间的前端和后端分别通过 Y向限位机构 40和卡扣限 位组件 60实现定位， 以限制电池包 10的前端和后端都在换电支架 20内沿 Y向 200上 相对移动。 其中， 为了限制电池包 10在换电支架 20内沿 Y向 200产生相对移动， 通过 在电池包 10的两端设置 Y向限位机构 40和卡扣限位组件 60,在电池包 10上沿 Y向 200 上的两侧间隔设置多个弹性限位组件 50, 通过 Y向限位机构 40、 弹性限位组件 50和卡 扣限位组件 60同时限制电池包 10在换电支架 20内沿 Y向 200上相对运动， 从而可靠 地限制电池包 10产生左右位移， 即使在拐弯行驶或者非平稳运行时， 也能够避免了电池 包 10与换电支架 20之间 Y向 200上产生碰撞造成的异响或磨损， 进一步提高了快换结 构总成的安全性能和使用寿命。
若干个电池包卡扣限位件 61分别固定于电池包 10中沿 Y向 200的两侧， 且电池包 卡扣限位件 61与电池包 10的侧面之间具有电池包容纳空间 611 ; 若干个支架卡扣限位 件 62与若干个电池包卡扣限位件 61 -对应，且支架卡扣限位件 62固定于换电支架 20 的内壁面，支架卡扣限位件 62与换电支架 20的侧壁的内壁面之间具有支架容纳空间 621 ; 电池包卡扣限位件 61卡设于支架容纳空间 621， 支架卡扣限位件 62卡设于支架容纳空 间 621 o 在锁止部件 30卡合固定后， 电池包卡扣限位件 61卡设于支架容纳空间 621， 同 时， 支架卡扣限位件 62卡设于支架容纳空间 621 ; 在锁止部件 30在拆卸脱离后， 电池包 卡扣限位件 61也脱离出支架容纳空间 621， 同时，支架卡扣限位件 62也脱离出支架容纳 空间 621。 结构简单， 使用方便。
本实施例还公开了一种电动汽车， 该电动汽车包括如上所述的快换结构总成。 通过 Y向限位机构 40限制电池包 10在换电支架 20内沿 Y向 200上相对运动， 从而可靠地 限制电池包 10产生左右位移， 即使在拐弯行驶或者非平稳运行时， 也能够避免了电池包 10与换电支架 20之间 Y向 200上产生碰撞造成的异响或磨损， 大大提高了电动汽车的 安全性能和使用寿命。
实施例 2
如图 7和图 8所示， 本实施例 2的快换结构总成结构与实施例 1的相同部分不再复 述， 仅对不同之处作说明。 在本实施例中， 限位件 41与电池包 10之间为分体式结构， 限位件 41还包括有法兰部 412, 法兰部 412的一侧连接于电池包 10， 凸起部 411连接于 法兰部 412的另一侧。 限位件 41通过法兰部 412连接在电池包 10上， 其中， 法兰部 412 通过紧固件可拆卸地连接于电池包 10, 调整、 维护和更换都非常方便。
固定板 421与换电支架 20之间为分体式结构， 固定板 421通过紧固件连接于换电支 架 20。 调整、 维护和更换固定件 42都非常方便。
虽然以上描述了本发明的具体实施方式， 但是本领域的技术人员应当理解， 这些仅 是举例说明， 在不背离本发明的原理和实质的前提下， 可以对这些实施方式做出多种变 更或修改。 因此， 本发明的保护范围由所附权利要求书限定。

Claims

权利要求
1. 一种快换结构总成， 其包括电池包、 换电支架和若干个锁止部件， 若干个所述锁 止部件均用于将所述电池包锁紧于所述换电支架内， 以限制所述电池包在所述换电支架 内沿 X向和 Z向上相对位移， 其特征在于， 所述快换结构总成还包括：
至少一个 Y向限位机构， 所述 Y向限位机构用于在所述锁止部件卡合固定后， 以限 制所述电池包在所述换电支架内沿 Y向上相对移动。
2. 如权利要求 1所述的快换结构总成， 其特征在于， 所述 Y向限位机构包括设置于 所述电池包上的限位件和设置于所述换电支架上的固定件， 所述限位件连接于所述固定 件， 以限制所述电池包在所述换电支架内沿所述 Y向上相对移动。
3. 如权利要求 2所述的快换结构总成， 其特征在于， 所述限位件包括有凸起部， 所 述凸起部的一端连接于所述电池包， 且所述凸起部的另一端沿所述 X向向外延伸凸起； 所述固定件包括有固定板， 所述固定板的一侧连接于所述换电支架， 所述固定板的 另一侧具有向内凹陷的限位槽， 所述凸起部插设于所述限位槽内。
4. 如权利要求 3所述的快换结构总成， 其特征在于， 所述限位件还包括有法兰部， 所述法兰部的一侧连接于所述电池包， 所述凸起部连接于所述法兰部的另一侧；
或者， 所述限位件与所述电池包之间一体成型。
5. 如权利要求 3所述的快换结构总成， 其特征在于， 所述限位槽的形状呈喇叭状。
6. 如权利要求 3所述的快换结构总成， 其特征在于， 所述固定板与所述换电支架之 间一体成型；
或者， 所述固定板通过紧固件连接于所述换电支架。
7. 如权利要求 3所述的快换结构总成， 其特征在于， 所述凸起部的形状呈柱体或者 锥体。
8. 如权利要求 3所述的快换结构总成， 其特征在于， 所述凸起部朝向所述限位槽的 一端具有第一导滑面。
9. 如权利要求 2所述的快换结构总成， 其特征在于， 所述限位件和所述固定件的数 量为多个， 且多个所述限位件与多个所述固定件之间一一对应， 多个所述固定件均与车 端电连接器位于所述换电支架的同一侧， 多个所述限位件均与电池端电连接器位于所述 电池包的同一侧， 且多个所述限位件分别设置于所述电池端电连接器的两端。
10. 如权利要求 1所述的快换结构总成， 其特征在于， 所述快换结构总成还包括若 干个弹性限位组件， 若干个所述弹性限位组件的一端分别连接于所述电池包中沿所述 Y 向的两侧， 若干个所述弹性限位组件的另一端均抵靠于所述换电支架的内壁面。
11. 如权利要求 10所述的快换结构总成， 其特征在于， 所述弹性限位组件包括： 安装壳， 所述安装壳固设于所述电池包， 所述安装壳的内部具有一容纳腔， 所述安 装壳的外侧面设有与所述容纳腔相连通的安装口；
限位部， 所述限位部穿设于所述安装口， 且所述限位部的外侧面沿所述 Y向向外伸 出所述安装口并抵靠于所述换电支架的内壁面；
弹性部件， 所述弹性部件作用于所述限位部的内侧面， 且在所述限位部和所述导向 安装壳之间传递变化的力， 用于提供一沿所述 Y向向外的夹紧力给所述换电支架。
12. 如权利要求 11所述的快换结构总成， 其特征在于， 所述安装壳的外侧面的顶部 具有第二导滑面；
和 /或， 所述限位部中伸出所述安装口的顶部具有第三导滑面。
13. 如权利要求 1所述的快换结构总成， 其特征在于， 所述快换结构总成还包括多 个卡扣限位组件， 所述卡扣限位组件包括设置于所述电池包上的电池包卡扣限位件和设 置于所述换电支架上的支架卡扣限位件， 所述电池包卡扣限位件卡设于所述支架卡扣限 位件， 以限制所述电池包在所述换电支架内沿所述 Y向上相对移动。
14. 如权利要求 13所述的快换结构总成， 其特征在于， 若干个所述电池包卡扣限位 件分别固定于所述电池包中沿所述 Y向的两侧， 且所述电池包卡扣限位件与所述电池包 的侧面之间具有电池包容纳空间；
若干个所述支架卡扣限位件与若干个所述电池包卡扣限位件 -对应， 且所述支架 卡扣限位件固定于所述换电支架的内壁面， 所述支架卡扣限位件与所述换电支架的侧壁 的内壁面之间具有支架容纳空间；
所述电池包卡扣限位件卡设于所述支架容纳空间， 所述支架卡扣限位件卡设于所述 支架容纳空间。
15. 一种电动汽车， 其特征在于， 其包括有如权利要求 1-14中任意一项所述的快换 结构总成。
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KR20210132161A (ko) 2021-11-03
KR102648669B1 (ko) 2024-03-15
JP2022521959A (ja) 2022-04-13

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