CN114284626A - Battery pack horizontally mounted on electric automobile and electric automobile with battery pack - Google Patents

Battery pack horizontally mounted on electric automobile and electric automobile with battery pack Download PDF

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Publication number
CN114284626A
CN114284626A CN202111095523.5A CN202111095523A CN114284626A CN 114284626 A CN114284626 A CN 114284626A CN 202111095523 A CN202111095523 A CN 202111095523A CN 114284626 A CN114284626 A CN 114284626A
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CN
China
Prior art keywords
battery pack
hanging
battery
electric automobile
upper cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111095523.5A
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Chinese (zh)
Inventor
张建平
黄春华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aulton New Energy Automotive Technology Co Ltd
Original Assignee
Aulton New Energy Automotive Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aulton New Energy Automotive Technology Co Ltd filed Critical Aulton New Energy Automotive Technology Co Ltd
Publication of CN114284626A publication Critical patent/CN114284626A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Abstract

The invention discloses a battery pack horizontally mounted on an electric automobile and the electric automobile, wherein the battery pack is provided with an upper cover and a lower box body, a battery module is arranged between the upper cover and the lower box body, and a hanging piece is mounted on the upper cover and used for moving to a position corresponding to a hanging seat at the bottom of the electric automobile along the vertical direction and moving into the hanging seat along the horizontal direction so as to enable the battery pack to be hung in the hanging seat on the electric automobile. Electric automobile includes as above battery package and battery installation department, the electric automobile bottom is located to the battery installation department, the battery installation department is including linking up the seat, link up the seat along vertical direction articulate in link. Through hanging the seat and cooperating on the union piece and the electric automobile that articulates to realize battery package and electric automobile articulate, increased the tie point of battery package and electric automobile, avoided the battery package to take place to warp because of the oversize middle zone that leads to sinks, improved the shock resistance of electric automobile in-process battery package that traveles.

Description

Battery pack horizontally mounted on electric automobile and electric automobile with battery pack
This application claims priority from chinese patent application 202010981928.8 filed as 2020/09/17. This application refers to the above-mentioned patent application in its entirety.
Technical Field
The invention relates to a battery pack horizontally mounted on an electric automobile and the electric automobile.
Background
The conventional battery pack of the electric vehicle is generally arranged in a fixed type or a replaceable type, wherein the fixed type battery pack is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery pack is generally fixed to a bracket of the vehicle in a movable mounting manner, and the replaceable battery pack can be removed to be replaced or charged independently and then mounted on the vehicle after the replacement battery pack is charged.
Conventionally, battery packs have been replaced by various means such as manually or automatically, and in any of these means, when a battery is mounted on a bracket of a vehicle, the bracket needs to lock the battery to the bracket. At present, a plurality of lock shafts are arranged on two side edges of a battery pack and hung in lock grooves of a lock base of a bracket, so that the battery pack is connected with the bracket, and for the battery pack with a wider size, no connecting support exists between middle areas far away from two sides or the periphery of a locking position in the battery pack and an electric automobile, so that sinking phenomenon is easily found in the middle areas of the battery pack, and the battery pack is deformed and poor in anti-seismic performance.
Disclosure of Invention
The invention aims to overcome the defect that after a battery pack with a larger size is installed on an electric automobile in the prior art, the middle area of the battery pack is easy to sink and deform, and provides the battery pack horizontally installed on the electric automobile and the electric automobile.
The invention solves the technical problems through the following technical scheme:
the utility model provides a battery package for horizontal installation to electric automobile is last, the battery package has upper cover and lower box, be equipped with the battery module between upper cover and the lower box, the connector is installed to the upper cover for move to the position that corresponds with the articulate seat bottom electric automobile along vertical direction, and move to articulate in the seat along the horizontal direction, make the battery package articulate in the articulate seat on electric automobile.
In this scheme, adopt above-mentioned structural style, through hanging the seat of hanging on union piece and the electric automobile and cooperating, it articulates in the vertical side in battery package and the electric automobile bottom to have increased, the tie point between battery package and the electric automobile has been increased on the one hand, improve installation stability, avoided the battery package to sink and take place to warp because of the oversized middle zone that leads to, on the other hand has restricted the motion of battery package relative electric automobile in vertical direction, the shock resistance of battery package among the electric automobile driving process has been improved, especially keep away from both sides or the shock resistance of the middle zone of locking position all around. And the structure is simple, the processing and the manufacturing are convenient, and the use cost is saved.
Preferably, the hanging piece comprises a connecting portion and a hanging portion, one end of the connecting portion is mounted on the upper cover, the other end of the connecting portion is connected with the hanging portion, the hanging portion is located above the upper cover, and the hanging piece is hung in the hanging seat through the hanging portion.
In this scheme, adopt above-mentioned structural style, the hitching member passes through connecting portion erection joint on the battery package, and in the hitching seat through hitching portion, guaranteed the stability that articulates.
Preferably, the bottom of the connecting portion is connected to the upper cover, a connecting hole is formed in the top of the connecting portion, the hanging portion penetrates through the connecting hole, and two ends of the hanging portion are used for being connected with the bottom of the electric automobile in a matched mode.
In this scheme, adopt above-mentioned structural style, the both ends of hitching part are with the effort at the top of battery package, have increased hanging in the vertical side in battery package and electric automobile bottom, increased the tie point between battery package and the electric automobile on the one hand, improve installation stability, avoided the battery package to sink and take place to warp because of the oversize middle zone that leads to, on the other hand has restricted the motion of battery package relative electric automobile in vertical direction, the shock resistance of battery package in the electric automobile driving process has been improved. Simultaneously, the hitching part is connected in the connecting hole of the connecting part, so that the respective processing and manufacturing are realized, the strength requirements of the hitching part and the connecting part are ensured, the deformation is avoided, and the processing is quick.
Preferably, the hanging part moves along the horizontal direction to hang the battery pack on the bottom of the electric automobile.
In this scheme, adopt above-mentioned structural style for the hitching connection portion removes to move along the horizontal direction and articulates in electric automobile's bottom with the battery package, has realized being connected of hitching connection piece and electric automobile's bottom, and synchronous connection is fixed, and stability is high.
Preferably, the connecting portion includes a first connecting portion and a second connecting portion, the first connecting portion is used for connecting the upper cover, the second connecting portion is used for connecting the hanging portion, the second connecting portion has a connecting hole, and the connecting hole is used for the hanging portion to penetrate through and connect.
In this scheme, adopt above-mentioned structural style, connecting portion connect the upper cover through the installation of first connecting portion, articulate in the articulate seat through second connecting portion, have guaranteed the stability that articulates. Simultaneously, make connecting portion and hitching part processing preparation respectively, guarantee hitching part and connecting portion strength requirement, can not warp, and process fast.
Preferably, the hanging part comprises a hanging shaft, the hanging shaft is fixedly connected with the connecting hole, and shaft sleeves are arranged at two ends of the hanging shaft, which are exposed out of the second connecting part.
In the scheme, the structure is adopted, friction is reduced through the shaft sleeve, the stability of the hanging part and the hanging seat is ensured, and the service life is prolonged; meanwhile, the two ends of the hanging shaft are uniformly stressed, and the stability of the battery pack is improved.
Preferably, two ends of the hanging shaft are provided with retaining rings, the retaining rings are arranged on one side, away from the second connecting portion, of the shaft sleeve, and the retaining rings are used for limiting the shaft sleeve to be separated from the hanging shaft.
In the scheme, by adopting the structure form, the baffle ring has a blocking effect, so that the shaft sleeve is prevented from being separated in the using process, and the stability is improved; meanwhile, the structure is simple, and the installation and the setting are very convenient.
Preferably, grooves are formed in two ends of the hanging shaft and used for mounting the shaft sleeve.
In the scheme, the structure is adopted, the limiting effect is achieved through the groove, the separation phenomenon of the shaft sleeve in the using process is further ensured, and the stability is improved; meanwhile, the shaft sleeve is higher in installation accuracy through the groove, the structure is simple, and installation and setting are very convenient.
Preferably, the middle part of the hanging shaft is provided with a protruding part, and two ends of the protruding part extend beyond the surface of the second connecting part along the axial direction of the hanging shaft.
In this scheme, adopt above-mentioned structural style, the peg passes the connecting hole through the bellying and is connected with the connecting hole for it is very convenient to peg and second connecting portion erection joint, and stability is high.
Preferably, two end faces of the hanging shaft are provided with blind holes.
In this scheme, adopt above-mentioned structural style, the blind hole has the positioning action, makes the peg installation stable and the precision high through the blind hole.
Preferably, the second connecting portion has an extending portion extending outward from an outer surface of the hanging portion.
In this scheme, adopt above-mentioned structural style, have limiting displacement through the extension, guaranteed that the hitching and connecting piece moves along established direction and can not produce skew dislocation phenomenon, stability is higher.
Preferably, the second connecting part has a top guide surface and/or a vertical guide surface for guiding the second connecting part into the hitching seat.
In the scheme, by adopting the structural form, the second connecting part is moved in place in the hanging seat when moving along the vertical direction through the top guide surface; the second connecting part moves in place in the hanging seat when moving along the horizontal direction through the vertical guide surface; meanwhile, the top guide surface and/or the vertical guide surface ensure that the hanging piece moves along the set direction without offset and dislocation in the moving process, and the stability is higher.
Preferably, the distance from the top guide surface and/or the vertical guide surface to the center of the connecting hole is larger than the radius of the connecting hole.
In this scheme, adopt above-mentioned structural style for interval between top spigot surface and/or vertical spigot surface and the connecting hole satisfies the service strength requirement, has guaranteed to hang union piece overall structure intensity, has further improved the stability of hanging union piece.
Preferably, the second connecting portion has two opposite mounting surfaces and a side surface located on the periphery of the mounting surface, and a first arc surface is arranged between the mounting surface and the side surface and used for guiding the second connecting portion into the hanging seat.
In this scheme, adopt above-mentioned structural style, play the guide effect through first cambered surface, guaranteed that the hitching member moves to in the seat that articulates along the horizontal direction, make the battery package articulate in the hitching seat on electric automobile, stability is high.
Preferably, the second connecting portion extends beyond the surface of the first connecting portion along a direction perpendicular to the extending direction of the hanging portion.
In the scheme, the structure is adopted, so that the processing and manufacturing of the connecting hole are facilitated; meanwhile, the overall structural strength of the hanging piece is guaranteed, and the stability of the hanging piece is further improved.
Preferably, the bottom of the second connecting portion connected to the first connecting portion has a second arc surface.
In this scheme, adopt above-mentioned structural style, play the additional strengthening through the second cambered surface, effectively strengthened the joint strength between second connecting portion and the first connecting portion, further improved the stability of hanging the union piece.
Preferably, a supporting structure is arranged between the upper cover and the lower box body, and the hanging piece is connected to the upper cover and the supporting structure.
In this scheme, adopt above-mentioned structural style, through being connected link 1 with bearing structure to effectively strengthened the joint strength of link and battery package, improved the shock resistance of electric automobile driving in-process battery package, safety and stability is high.
Preferably, the hanging part extends from the connecting part to a direction away from the connecting part to form a protrusion.
In this scheme, adopt above-mentioned structural style for the portion of hanging is convenient for articulate, and it is very convenient to use.
Preferably, the hanging part protrudes from the connecting part along the horizontal direction.
Preferably, the outer wall of the connecting part is provided with a threaded part, and is fixedly connected with the upper cover through the threaded part.
In this scheme, adopt above-mentioned structural style, connecting portion are connected with the upper cover through screw thread portion for it is very convenient to hang installation connection between union piece and the upper cover, and convenient to detach changes the maintenance.
Preferably, the outer wall of the connecting part is provided with a limiting part which extends outwards from the outer wall and is convex, and the limiting part is used for enabling the hanging piece to abut against the upper cover.
In this scheme, adopt above-mentioned structural style, support each other through spacing portion and upper cover and lean on for connecting portion will not move down again for the upper cover, have guaranteed the accurate installation of hanging the union piece.
Preferably, the battery pack includes a side wall portion, and at least two side surfaces of the side wall portion are vertically provided with a locking shaft for locking the battery pack in a locking mechanism on an electric vehicle.
In this scheme, adopt above-mentioned structural style, the lateral wall portion is connected with the locking mechanism on the electric automobile through the lock axle, has avoided the battery package to take place to warp because of the size is too big leads to the both sides region to sink, has improved the shock resistance of battery package among the electric automobile driving process.
Preferably, the lower case includes a bottom wall portion and a side wall portion, the bottom wall portion and the upper cover are disposed opposite to each other, the side wall portion is disposed between the bottom wall portion and the upper cover, and the side wall portion is vertically provided with locking shafts along at least two side surfaces of the battery pack in the length direction, so as to lock the battery pack in a locking mechanism of an electric vehicle.
Preferably, the battery pack further comprises a first locking piece and/or a second locking piece, the first locking piece is used for locking the battery pack to a bolt-type locking mechanism on the electric automobile, and the second locking piece is used for locking the battery pack to an expansion bead-type locking mechanism on the electric automobile.
Preferably, the battery pack further comprises a battery end electrical connector, the battery end electrical connector comprising:
a mounting side through which the battery end electrical connector is mounted to a battery pack; the battery pack is used for being mounted on an electric automobile to provide power for the electric automobile;
the conductive output side is arranged at the top of the battery pack and is connected with a vehicle end electric connector of the electric vehicle from bottom to top;
and/or the battery package still includes battery end liquid cooling connecting device, battery end liquid cooling connecting device is used for linking to each other with the confession liquid device of the coolant liquid that provides to with the coolant liquid lets in the liquid cooling pipeline in the battery package, battery end liquid cooling connecting device includes:
the mounting seat is arranged on the battery pack; and
the connecting valve is fixed on the mounting seat, the connecting valve is located the inboard one end of battery package with the liquid cooling pipeline is connected, the other end be used for with supply liquid device is connected, the inside openable flow passage that is formed with of connecting valve, and flow passage's flow direction with the plane direction of battery package is mutually perpendicular to realize the intercommunication with electric automobile liquid cooling pipeline behind battery package with direction from bottom to top installation to electric automobile.
Preferably, the battery end electric connector is arranged on the upper cover, and the battery end liquid cooling connecting device is arranged on the upper cover or the side wall part of the lower box body.
The utility model provides an electric automobile, its includes as above battery package and battery installation department, the electric automobile bottom is located to the battery installation department, the battery installation department is including linking up the seat, link up the seat along vertical direction articulate in link.
In this scheme, adopt above-mentioned structural style, the articulated in the vertical side in battery package and electric automobile bottom has been increased, the tie point between battery package and the electric automobile has been increased on the one hand, improve installation stability, avoided the battery package to sink and take place to warp because of the oversize middle zone that leads to, on the other hand has restricted the motion of battery package relative electric automobile in vertical direction, the shock resistance of battery package among the electric automobile driving process has been improved, especially keep away from both sides or the shock resistance of the middle zone of locking position all around.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
through hanging the seat and cooperating on the union piece and the electric automobile that articulates to realize battery package and electric automobile articulate, increased the tie point of battery package and electric automobile, avoided the battery package to take place to warp because of the oversize middle zone that leads to sinks, improved the shock resistance of electric automobile in-process battery package that traveles. And the structure is simple, the processing and the manufacturing are convenient, and the use cost is saved.
Drawings
Fig. 1 is a schematic structural view of a battery pack mounted to a battery pack mounting portion according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a battery pack according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a combination structure of a hanging member and a hanging seat according to embodiment 1 of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view taken along plane B-B of FIG. 4;
fig. 6 is a side view of a battery pack according to embodiment 1 of the present invention;
FIG. 7 is a cross-sectional view taken along plane B-B of FIG. 6;
fig. 8 is a schematic structural view of a battery pack mounted to a battery pack mounting portion according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a battery pack mounting portion according to embodiment 2 of the present invention;
fig. 10 is a schematic view of a combination structure of a hanging member and a hanging seat in embodiment 2 of the present invention;
fig. 11 is a schematic structural view of a hitch seat in embodiment 2 of the present invention;
fig. 12 is a schematic structural view of a hitching seat and a hitching member according to embodiment 3 of the present invention;
fig. 13 is a schematic structural view of a hanging member according to embodiment 3 of the present invention;
fig. 14 is an internal structural view of a hanging member according to embodiment 3 of the present invention.
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1-7, wherein fig. 1 is a schematic diagram of a battery pack 8 mounted on a battery pack mounting portion 9 at the bottom of an electric vehicle, the present embodiment provides a battery pack 8, the battery pack 8 has an upper cover 81 and a lower case 82, a battery module is disposed between the upper cover 81 and the lower case 82, the upper cover 81 is mounted with a hanging member 83 for moving in a vertical direction to a position corresponding to a hanging seat 91 at the bottom of the electric vehicle and moving in a horizontal direction into the hanging seat 91, so that the battery pack 8 is hung in the hanging seat 91 on the electric vehicle. The hanging piece is arranged in the middle area of the upper cover 81, and the hanging piece 83 is arranged in the middle of the battery pack 8 in the length direction.
Through the link 83 along vertical direction articulate in articulate seat 91, increased the battery package 8 and the vertical ascending articulate in side in bottom of electric automobile, increased the tie point between battery package 8 and the electric automobile on the one hand, improve installation stability, on the other hand has restricted the motion of battery package 8 relative electric automobile in vertical direction, has improved the shock resistance of electric automobile in-process battery package 8 that traveles. Especially the shock resistance of the central area away from the two-sided or peripheral locking position.
In this embodiment, the hanging member 83 includes a connecting portion 831 and a hanging portion 832, one end of the connecting portion 831 is mounted on the upper cover 81, the other end of the connecting portion 831 is connected to the hanging portion 832, the hanging portion 832 is located above the upper cover 81, and the hanging member 83 is hung in the hanging seat 91 through the hanging portion 832. The outer wall of the connecting portion 831 is provided with a threaded portion 8312, and is connected and fixed to the upper cover 81 through the threaded portion 8312. The outer wall of the connecting portion 831 has a limiting portion 8311 extending outward from the outer wall and protruding for the hanging piece 83 to abut against the upper cover 81, and the limiting portion 8311 is a nut and is sleeved on the threaded portion 8312 of the connecting portion 831.
In the present embodiment, the hanging portion 832 extends and protrudes from the connecting portion 831 in a direction away from the connecting portion 831; the hanging portion 832 protrudes from the connecting portion 831 in a horizontal direction. The hanging portion 832 is perpendicular to the connecting portion 831, the hanging portion 832 is integrally formed with the connecting portion 831, or the hanging portion 832 is detachably connected with the connecting portion 831. Connecting portion 831 is a connecting rod that extends along the vertical direction, and hitching portion 832 is a hitching rod that extends along the horizontal direction, and the hitching rod is cylindric. The hanging part 832 and the hanging seat 91 are mutually matched in any one of the modes of screw joint, clamping joint, buckling joint, insertion joint, hooking joint and joggling joint so as to realize the hanging connection of the battery pack 8.
In this embodiment, the battery pack 8 further includes a second mounting seat 84, and the hanging member 83 is mounted to the upper cover 81 through the second mounting seat 84. The second mounting seat 84 is provided between the upper cover 81 and the lower case 82. The second mounting seat 84 is detachably connected with the upper cover 81, and the second mounting seat 84 is fixedly connected with the lower box 82. A sealing member is provided between the second mounting seat 84 and the upper cover 81.
In this embodiment, the second mounting seat 84 includes a third receiving cavity 841 for providing an operation space, and/or a fourth receiving cavity 842 for receiving the connecting portion 831. A collar 843 is arranged in the third accommodating cavity 841 for limiting the hanging piece 83 from falling off from the second mounting seat.
In the present embodiment, the battery pack 8 includes a side wall portion 85, and at least two side surfaces of the side wall portion 85 are vertically provided with lock shafts 86 for locking the battery pack 8 in a locking mechanism on the electric vehicle. The lower case 82 includes a bottom wall portion and a side wall portion 85, the bottom wall portion and the upper cover 81 are disposed opposite to each other, the side wall portion 85 is disposed between the bottom wall portion and the upper cover 81, and the side wall portion 85 is vertically provided with lock shafts 86 along at least two sides in the length direction of the battery pack 8 for locking the battery pack 8 in a lock mechanism on the electric vehicle. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and can be applied to other locking mechanisms of bottom charging type.
In other embodiments, the battery pack 8 further includes a first locking member for locking the battery pack 8 to a bolt-type locking mechanism on the electric vehicle and/or a second locking member for locking the battery pack 8 to a bead-expanding type locking mechanism on the electric vehicle.
In other embodiments, the battery pack 8 is provided with a plurality of hanging pieces 83, and at least one row of the plurality of hanging pieces 83 is linear; the plurality of hanging pieces 83 are connected to form a row of hanging pieces 83 by a connecting piece.
In this embodiment, the battery pack 8 further includes a battery terminal electrical connector 87 provided to the upper cover 81.
In other embodiments, the battery pack 8 further includes a battery-end electrical connector 87 provided to the upper cover 81.
In other embodiments, the battery pack 8 further includes a liquid-cooled connector 88 disposed on a side wall or top cover 81 of the battery pack 8.
Adopt the hitching member 83 in this embodiment to articulate battery package 8 in hitching seat 91, moreover, the steam generator is simple in structure, cooperate with the locking motion process of locking shaft 86 in the locking mechanism of the battery package 8 left and right sides, when the locking of locking shaft 86 in the locking mechanism is completed, hitching member 83 reaches the hitching point in hitching seat 91, and set up a plurality of hitching members 83 through the intermediate position at upper cover 81, the hitching of battery package 8 and electric automobile bottom has been increased, the motion of battery package 8 relative to electric automobile in the vertical direction has been restricted, and the shock resistance of electric automobile has been improved. Meanwhile, the battery pack 8 is hung from the side face of the hanging seat 91 in a hanging mode, the hanging piece 83 is in clearance fit with the hanging seat 91, the fault tolerance is good, the flexibility is good, the battery pack 8 is allowed to have certain movement amount in the installation portion, the battery pack 8 and the electric automobile are prevented from being positioned excessively, and the interaction force is large.
Example 2
As shown in fig. 8-11, wherein fig. 8 is a schematic view of a battery pack mounting portion 9 for mounting a battery pack 8 on the bottom of an electric vehicle, the present embodiment provides a battery pack mounting portion 9 for mounting the battery pack 8 in embodiment 1 on the bottom of the electric vehicle, a hanging seat 91 is provided on the battery pack mounting portion 9, and is matched with a hanging member 83 to hang the battery pack 8 on the electric vehicle along a horizontal direction.
In this embodiment, the side portion 911 of the hooking base 91 has a side opening 9111 into which the hooking member 83 enters and a hooking groove 912 extending inward in the horizontal direction from the side opening 9111, and the hooking member 83 moves in the vertical direction to a first position corresponding to the side opening 9111 and enters a hooking point in the hooking groove 912 in the horizontal direction from the first position. The side opening 9111 is provided for facilitating the entry of the hanging member 83 into the hanging seat 91 during the horizontal movement of the battery pack 8.
In the present embodiment, the side portion 911 includes an upper side portion 9112 located above the opening 9131 and a lower side portion 9113 located below the opening 9131, and the upper side portion 9112 is connected to the top wall 9123 of the hitch groove by an arc-shaped guide surface, and the lower side portion 9113 is connected to the bottom wall 9121 of the hitch groove by an arc-shaped guide surface. The hooking portion 832 is guided into the hooking groove 912 by the guide surface. The lower side portion 9113 is disposed obliquely with respect to the bottom of the hooking base 91 for guiding the hooking member 83 to the first position corresponding to the side opening 9111.
In the present embodiment, the hanging member 83 has a connecting portion 831 and a hanging portion 832, the hanging portion 832 is disposed on the top of the connecting portion 831, and the hanging member 83 is hung on a hanging point on the bottom wall 9121 of the hanging groove through the hanging portion 832. The hanging groove 912 is in clearance fit with the hanging part 832, and when the hanging part 832 is hung on a hanging point on the bottom wall 9121 of the hanging groove, the clearance between the hanging part 832 and the top wall 9123 of the hanging groove is more than 0 and less than 0.1 mm. The hanging groove 912 further comprises a side wall 9122 between the bottom wall 9121 and the top wall 9123, and when the hanging portion 832 is hung on a hanging point on the bottom wall 9121 of the hanging groove, a gap between the hanging portion 832 and the side wall 9122 of the hanging groove is larger than 2 mm. The hanging groove 912 further comprises a side wall 9122 positioned between the bottom wall 9121 and the top wall 9123, the side wall 9122 is an arc-shaped side wall 9122, the top of the arc-shaped side wall 9122 is tangent to the top wall 9123, and the bottom of the arc-shaped side wall 9122 is tangent to the bottom wall 9121. The side walls 9122 of the hooking groove 912 are shaped to fit a cylindrical hooking rod. The hooking seat 91 has an accommodating groove 913 communicating with the hooking groove 912, and the connecting portion 831 is partially accommodated in the accommodating groove 913 when the hooking portion 832 is located at the hooking point in the hooking groove 912. When the hooking portion 832 is hooked to the hooking point in the hooking groove 912, the gap between the connecting portion 831 and the receiving groove 913 is greater than 2 mm. The second hanging piece is in clearance fit with the hanging seat 91, so that the hanging piece 83 can conveniently enter the hanging seat 91. The receiving groove opening 9131 has a guide surface for guiding the connecting portion 831 into the receiving groove 913.
In this embodiment, the top of the hanging seat 91 is provided with a mounting hole 914 for mounting the hanging seat 91 on the bottom of the electric vehicle.
In this embodiment, the battery pack mounting portion 9 further includes a quick-change bracket 92, a locking mechanism 93 is arranged on the quick-change bracket 92, the locking mechanism 93 has an opening 9131 slot extending along the vertical direction and a locking slot extending along the horizontal direction, the locking slot is used for inserting and locking a lock shaft on the battery pack 8, the opening 9131 slot is communicated with the locking slot, the lock shaft enters the locking slot from the opening 9131 slot along the vertical direction, the lock shaft moves to the locking position in the locking slot, and the hanging portion 832 reaches a hanging point in the hanging slot 912. The quick-change holder 92 is ring-shaped or double-sided strip-shaped. The hooking base 91 is provided at an intermediate position on the quick-change holder 92 side where the locking mechanism 93 is provided at the bottom. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and can be applied to other locking mechanisms of bottom charging type.
In other embodiments, the battery mounting portion further includes a bolt-type locking mechanism 93 and an expansion bead-type locking mechanism 93 for locking the battery pack 8 on the electric vehicle, and the bolt-type locking mechanism 93 and the expansion bead-type locking mechanism 93 are used for locking the first locking member and the second locking member, respectively.
In this embodiment, the battery pack mounting portion 9 further includes a vehicle-end electrical connector 94 provided at the bottom of the electric vehicle.
In other embodiments, the battery pack mounting portion 9 further includes a battery-end electrical connector provided at the bottom of the electric vehicle.
In other embodiments, the battery pack mounting portion 9 further includes a liquid cooling pipeline connecting device disposed at the bottom of the electric vehicle.
Example 3
As shown in fig. 12, 13 and 14, wherein fig. 12 is a schematic diagram of a battery pack installation portion in which a hanging member 2 on a battery pack is installed at the bottom of an electric vehicle, the present embodiment provides a battery pack for horizontal installation on an electric vehicle, the battery pack has an upper cover and a lower case, a battery module is arranged between the upper cover and the lower case, and the hanging member 1 is installed on the upper cover, and is used for moving to a position corresponding to a hanging seat 2 at the bottom of the electric vehicle along a vertical direction and moving to the hanging seat 2 along a horizontal direction, so that the battery pack is hung in the hanging seat 2 on the electric vehicle.
Through linking member 1 and the last concatenation seat 2 of hanging of electric automobile cooperate, it articulates in the vertical side in battery package and the electric automobile bottom to have increased, the tie point between battery package and the electric automobile has been increased on the one hand, improve the installation stability, avoided the battery package to sink and take place to warp because of the oversize middle zone that leads to, on the other hand has restricted the motion of battery package relative electric automobile in vertical direction, the shock resistance of battery package among the electric automobile driving process has been improved, especially keep away from both sides or the shock resistance of the middle zone of locking position all around. And the structure is simple, the processing and the manufacturing are convenient, and the use cost is saved.
The hanging piece 1 is arranged in the middle area of the upper cover. The hanging connecting piece 1 is hung on the hanging connecting seat 2, so that upward acting force is applied to the middle area of the battery pack, the battery pack is prevented from sinking and deforming due to overlarge size of the middle area, the shock resistance of the battery pack in the driving process of the electric automobile is improved, and particularly the shock resistance of the middle area far away from two sides or the periphery of a locking position is improved.
In this embodiment, the hanging piece 1 includes a connecting portion 11 and a hanging portion 12, one end of the connecting portion 11 is mounted on the upper cover, the other end of the connecting portion 11 is connected to the hanging portion 12, the hanging portion 12 is located above the upper cover, and the hanging piece 1 is hung in the hanging seat 2 through the hanging portion 12. The hanging piece 1 is connected to the battery pack through the connecting portion 11, and is hung in the hanging seat 2 through the hanging portion 12, so that hanging stability is guaranteed.
In other embodiments, the hanging part 12 is matched with the bottom of the electric vehicle in any one of a screw joint, a clamping joint, a buckling joint, an inserting joint, a hooking joint and a joggle joint to realize hanging of the battery pack. Namely, the hanging part 12 and the hanging seat 2 are mutually matched in any one of the modes of screw joint, clamping, buckling, inserting, hooking and joggling to realize the hanging of the battery pack.
In the present embodiment, the hanging portion 12 extends from the connecting portion 11 to protrude away from the connecting portion 11. The hanging portion 12 protrudes from the connecting portion 11 in a horizontal direction. The hanging part 12 is perpendicular to the connecting part 11, so that the hanging part 12 is convenient to hang and is very convenient to use. Wherein, the hanging part 12 protrudes from both sides of the connecting part 11 along the horizontal direction, so that the hanging part 1 is stressed uniformly and has higher hanging stability.
The outer wall of the connecting part 11 is provided with a screw part 111, and is connected and fixed with the upper cover through the screw part 111. The connecting part 11 is connected with the upper cover through the thread part 111, so that the installation and the connection between the hanging part 1 and the upper cover are very convenient, and the hanging part is convenient to detach, replace and maintain.
The outer wall of the connecting part 11 is provided with a limiting part 112 which extends outwards from the outer wall and is used for abutting the hanging piece 1 against the upper cover. The limiting part 112 is abutted against the upper cover, so that the connecting part 11 can not move downwards relative to the upper cover, and the accurate installation of the hanging piece 1 is ensured.
The bottom of connecting portion 11 is connected in the upper cover, and the top of connecting portion 11 has connecting hole 113, and hitching section 12 wears to locate connecting hole 113, and the both ends of hitching section 12 are used for being connected with electric automobile's bottom cooperation. The hanging piece 1 is connected with the upper cover through the connecting portion 11, the acting force is arranged at the bottom of the electric automobile at the two ends of the hanging portion 12, hanging connection between the battery pack and the bottom of the electric automobile in the vertical direction is increased, on one hand, connecting points between the battery pack and the electric automobile are increased, installation stability is improved, deformation of the battery pack due to sinking of a middle area caused by overlarge size is avoided, on the other hand, movement of the battery pack relative to the electric automobile in the vertical direction is limited, and the shock resistance of the battery pack in the running process of the electric automobile is improved. Meanwhile, the hanging part 12 is connected in the connecting hole 113 of the connecting part 11, so that the respective processing and manufacturing are realized, the strength requirements of the hanging part 12 and the connecting part 11 are met, the deformation is avoided, and the processing is quick.
The hanging part 12 moves along the horizontal direction to hang the battery pack on the bottom of the electric automobile. When the locking shaft of battery package both sides removed the locking along the horizontal direction for hitching part 12 removes along the horizontal direction and connects the battery package in electric automobile's bottom, has realized being connected of hitching part 1 and electric automobile's bottom, and synchronous connection is fixed, and stability is high.
The connecting portion 11 includes a first connecting portion 114 and a second connecting portion 115, the first connecting portion 114 is used for connecting the upper cover, the second connecting portion 115 is used for connecting the hanging portion 12, the second connecting portion 115 has a connecting hole 113, and the connecting hole 113 is used for the hanging portion 12 to penetrate and connect. The connecting part 11 is mounted and connected on the upper cover through the first connecting part 114, and is hung and connected in the hanging seat 2 through the second connecting part 115, so that the hanging stability is ensured. Meanwhile, the second connecting portion 115 is connected to the hanging portion 12 through the connecting hole 113, so that the connecting portion 11 and the hanging portion 12 are manufactured separately, the strength requirements of the hanging portion 12 and the connecting portion 11 are met, deformation is avoided, and the processing is fast. The screw portion 111 is disposed on the first connecting portion 114, and the first connecting portion 114 is connected to the upper cover through the screw portion 111.
The hanging part 12 includes a hanging shaft 121, the hanging shaft 121 is fixedly connected to the connection hole 113, and two ends of the hanging shaft 121 exposed out of the second connection part 115 are provided with a shaft sleeve 122. The shaft sleeves 122 are arranged at the two ends of the hanging shaft 121 exposed out of the second connecting part 115, so that friction is reduced, the stability of the hanging part 12 and the hanging seat 2 is ensured, and the service life is prolonged; meanwhile, the two ends of the hanging shaft 121 are uniformly stressed, and the stability of the battery pack is improved.
Two ends of the hanging shaft 121 are provided with a stop ring 123, the stop ring 123 is arranged on one side of the shaft sleeve 122 far away from the second connecting part 115, and the stop ring 123 is used for limiting the shaft sleeve 122 to be separated from the hanging shaft 121. The stop ring 123 has a blocking function and is used for limiting the shaft sleeve 122 to be separated from the hanging shaft 121, so that the shaft sleeve 122 is prevented from being separated in the using process, and the stability is improved; meanwhile, the structure is simple, and the installation and the setting are very convenient.
The hanging shaft 121 has grooves 1211 formed at both ends thereof, and the grooves 1211 are used for mounting the sleeve 122. The shaft sleeve 122 is sleeved in the groove 1211, and the shaft sleeve 122 is limited by the inner wall surface of the groove 1211 and the baffle ring 123, so that the shaft sleeve 122 is further prevented from being separated in the using process, and the stability is improved; meanwhile, the groove 1211 enables the shaft sleeve 122 to be installed more accurately, and is simple in structure and very convenient to install.
The central portion of the hanging shaft 121 has a protrusion 1212, and both ends of the protrusion 1212 extend beyond the surface of the second connecting portion 115 in the axial direction of the hanging shaft 121. The hanging shaft 121 passes through the connection hole 113 through the protrusion 1212 and is connected to the connection hole 113, so that the hanging shaft 121 and the second connection portion 115 are conveniently mounted and connected, and the stability is high.
Blind holes 1213 are provided on both end surfaces of the hanging spindle 121. The blind hole 1213 has the positioning function, makes the peg 121 install stably and the precision is high through the blind hole 1213.
The second connection portion 115 has an extension extending outward from the outer surface of the hanging portion 12. The extension part of second connecting portion 115 through outside extension, the extension part will enter into earlier and articulate in seat 2 and remove in articulating seat 2, has limiting displacement through the extension part, has guaranteed to articulate union piece 1 and has removed and can not produce the skew dislocation phenomenon along established direction, and stability is higher.
In this embodiment, the second connection portion 115 has a top guide surface 1151 and/or a vertical guide surface 1152 for guiding the second connection portion 115 into the docking station 2. The top guide surface 1151 and/or the vertical guide surface 1152 have guiding and limiting functions, the second connecting part 115 is moved in the hanging seat 2 when moving along the vertical direction through the top guide surface 1151, and the hanging part 12 on the second connecting part 115 is guaranteed to move in place; the second connecting part 115 moves in the hanging seat 2 when moving in the horizontal direction through the vertical guide surface 1152, so that the hanging part 12 on the second connecting part 115 is ensured to move in place; meanwhile, the top guide surface 1151 and/or the vertical guide surface 1152 guarantee that the hanging piece 1 moves along the set direction without offset and dislocation in the moving process, and the stability is higher.
The top guide surface 1151 and/or the vertical guide surface 1152 is located at a distance greater than the radius of the coupling hole 113 from the center of the coupling hole 113. The distance between the top guide surface 1151 and/or the vertical guide surface 1152 and the connecting hole 113 meets the requirement on use strength, the overall structural strength of the hanging piece 1 is guaranteed, and the stability of the hanging piece 1 is further improved.
The second connecting portion 115 has two opposite mounting surfaces 1153 and a side surface 1154 located at the periphery of the mounting surface 1153, a first arc surface 1155 is provided between the mounting surface 1153 and the side surface 1154, and the first arc surface 1155 is used for guiding the second connecting portion 115 into the hanging seat 2. The connecting hole 113 penetrates through the two mounting surfaces 1153, and plays a role in guiding through the first arc surface 1155, so that the hanging piece 1 is guaranteed to move into the hanging seat 2 along the horizontal direction, the battery pack is hung in the hanging seat 2 on the electric automobile, and the stability is high.
The second connection portion 115 extends beyond the surface of the first connection portion 114 in a direction perpendicular to the extending direction of the hanging portion 12. The side surface 1154 of the second connecting portion 115 extends out of the surface of the first connecting portion 114, so that the processing and manufacturing of the connecting hole 113 are facilitated; meanwhile, the distance between the vertical guide surface 1152 and the center of the connecting hole 113 is larger than the radius of the connecting hole 113, the overall structural strength of the hanging piece 1 is guaranteed, and the stability of the hanging piece 1 is further improved. In this embodiment, the second connection portion 115 is flat and can be manufactured by pressing.
The bottom of the second connection portion 115 connected to the first connection portion 114 has a second arc surface 1156. The second arc surface 1156 plays a role in reinforcement, so that the connection strength between the second connection portion 115 and the first connection portion 114 is effectively enhanced, and the stability of the hanging piece 1 is further improved.
The portion of the first connecting portion 114 close to the second connecting portion 115 is provided with a limiting portion 112 extending outward, an outer diameter of the limiting portion 112 is larger than an outer diameter of the threaded portion 111, and the limiting portion 112 is located above the threaded portion 111.
In this embodiment, a support structure is provided between the upper cover and the lower box, and the hanging member 1 is connected to the upper cover and the support structure. Through being connected with joint member 1 with bearing structure, bearing structure's structural strength is high to effectively strengthened the joint strength of joint member 1 with the battery package, improved the shock resistance of electric automobile driving in-process battery package, safety and stability are high.
Example 4
In this embodiment 4, the battery pack includes a side wall portion, and at least two side surfaces of the side wall portion are vertically provided with lock shafts for locking the battery pack in a locking mechanism on an electric vehicle. The lateral wall portion is connected with a locking mechanism on the electric automobile through the lock shaft, so that the connection and the support of the two sides of the battery pack are realized, the deformation of the battery pack caused by the sinking of the two side areas due to the overlarge size is avoided, and the shock resistance of the battery pack in the running process of the electric automobile is improved.
The lower box body comprises a bottom wall portion and a side wall portion, the bottom wall portion and the upper cover are arranged oppositely, the side wall portion is arranged between the bottom wall portion and the upper cover, and at least two side faces of the side wall portion in the length direction of the battery pack are perpendicularly provided with locking shafts for locking the battery pack in a locking mechanism on the electric automobile. The locking mechanism in this embodiment is described by taking the locking device in chinese patent publication No. CN106427514A as an example, but the locking mechanism of the present invention is not limited to the specific structure in the above prior art, and can be applied to other locking mechanisms of bottom charging type.
The hanging piece 1 is arranged at the middle position of the battery pack in the length direction. The hanging piece 1 applies upward acting force to the middle position of the battery pack in the length direction, deformation of the battery pack due to sinking of the middle area caused by overlarge size is avoided, and the shock resistance of the battery pack in the running process of the electric automobile is improved.
The battery pack is provided with a plurality of hanging pieces 1, and at least one row of the hanging pieces 1 are linear. The hanging connection pieces 1 are connected with the hanging connection seats 2 at the bottom of the electric automobile in a hanging mode, so that upward acting force applied to the middle area of the battery pack is further increased, the phenomenon that the middle area of the battery pack sinks to deform due to overlarge size is further avoided, and the shock resistance of the battery pack in the running process of the electric automobile is greatly improved.
A plurality of hanging pieces 1 are connected into a row of hanging pieces 1 through a connecting piece. Connect a plurality of hitching and connecting pieces 1 through the connecting piece, avoid the self of hitching and connecting piece 1 to rotate and lead to the position change, stability is higher.
In other embodiments, the battery pack further comprises a first locking member and/or a second locking member, wherein the first locking member is used for locking the battery pack to a bolt type locking mechanism on the electric automobile, and the second locking member is used for locking the battery pack to an expansion bead type locking mechanism on the electric automobile.
In other embodiments, the battery pack further comprises a battery end electrical connector comprising a mounting side and a conductive output side, the battery end electrical connector being mounted to the battery pack via the mounting side; the battery pack is used for being mounted on the electric automobile to provide power for the electric automobile; the conductive output side is arranged at the top of the battery pack and is connected with a vehicle end electric connector of the electric vehicle from bottom to top.
In other embodiments, the battery pack further comprises a battery end liquid cooling connection device, the battery end liquid cooling connection device is used for connecting with a liquid supply device of the provided cooling liquid so as to introduce the cooling liquid into a liquid cooling pipeline in the battery pack, the battery end liquid cooling connection device comprises a mounting seat and a connection valve, and the mounting seat is arranged on the battery pack; the connecting valve is fixed on the mounting seat, one end of the connecting valve, which is positioned on the inner side of the battery pack, is connected with the liquid cooling pipeline, the other end of the connecting valve is used for being connected with the liquid supply device, an openable and closable flow passage is formed inside the connecting valve, and the flow direction of the flow passage is perpendicular to the plane direction of the battery pack so as to realize the communication with the liquid cooling pipeline of the electric automobile after the battery pack is mounted to the electric automobile in the direction from bottom to top.
In other embodiments, the battery end electrical connector is disposed on the upper cover, and the battery end liquid-cooled connecting device is disposed on the side wall portion of the upper cover or the lower case.
Example 5
Disclosed in this embodiment 5 is an electric automobile, and this electric automobile includes foretell battery package and battery installation department, and the battery installation department is located the electric automobile bottom, and the battery installation department articulates in articulate piece 1 along vertical direction including articulating seat 2, articulating seat 2. The hanging piece 1 is hung in the hanging seat 2 along the vertical direction, hanging connection between the battery pack and the electric automobile in the vertical direction is increased, on one hand, connection points between the battery pack and the electric automobile are increased, installation stability is improved, deformation caused by sinking of the battery pack in the middle area due to overlarge size is avoided, on the other hand, movement of the battery pack relative to the electric automobile in the vertical direction is limited, the shock resistance of the battery pack in the running process of the electric automobile is improved, and particularly, the shock resistance of the middle area of two sides or the periphery of a locking position is kept away. And the structure is simple, the processing and the manufacturing are convenient, and the use cost is saved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (27)

1. The utility model provides a battery package for horizontal installation to electric automobile is last, the battery package has upper cover and lower box, be equipped with the battery module between upper cover and the lower box, its characterized in that, the connector is installed to the upper cover for move to the position that corresponds with the articulate seat bottom electric automobile along vertical direction, and move to articulate in the seat along the horizontal direction, make the battery package articulate in the articulate seat on electric automobile.
2. The battery pack according to claim 1, wherein the hanging member includes a connecting portion and a hanging portion, one end of the connecting portion is mounted on the upper cover, the other end of the connecting portion is connected to the hanging portion, the hanging portion is located above the upper cover, and the hanging member is hung in the hanging seat through the hanging portion.
3. The battery pack according to claim 2, wherein the bottom of the connecting portion is connected to the upper cover, the top of the connecting portion has a connecting hole, the hanging portion is inserted into the connecting hole, and two ends of the hanging portion are used for being connected with the bottom of the electric vehicle in a matching manner.
4. The battery pack according to claim 2, wherein the hanging part is moved in a horizontal direction to hang the battery pack on the bottom of the electric vehicle.
5. The battery pack according to claim 2, wherein the connecting portion includes a first connecting portion for connecting the upper cover and a second connecting portion for connecting the hanging portion, the second connecting portion having a connecting hole for the hanging portion to pass through and connect.
6. The battery pack according to claim 5, wherein the hanging portion includes a hanging shaft, the hanging shaft is fixedly connected to the connecting hole, and shaft sleeves are provided at both ends of the hanging shaft exposed out of the second connecting portion.
7. The battery pack as claimed in claim 6, wherein the hanging shaft has two ends provided with a retaining ring, the retaining ring is disposed on a side of the shaft sleeve away from the second connecting portion, and the retaining ring is used for limiting the shaft sleeve to be separated from the hanging shaft.
8. The battery pack of claim 6, wherein the hanging shaft has grooves at both ends for mounting the shaft sleeves.
9. The battery pack according to claim 8, wherein the hanger shaft has a protrusion at a middle portion thereof, and both ends of the protrusion extend beyond a surface of the second connecting portion in an axial direction of the hanger shaft.
10. The battery pack of claim 6, wherein blind holes are formed in two end faces of the hanging shaft.
11. The battery pack according to claim 5, wherein the second connecting portion has an extension extending outward from an outer surface of the hanging portion.
12. The battery pack according to claim 5, wherein the second connecting part has a top guide surface and/or a vertical guide surface for guiding the second connecting part into the docking station.
13. The battery pack according to claim 12, wherein the top guide surface and/or the vertical guide surface are spaced from the center of the coupling hole by a distance greater than a radius of the coupling hole.
14. The battery pack according to claim 5, wherein the second connecting portion has two mounting surfaces disposed opposite to each other, and a side surface located on a periphery of the mounting surfaces, and a first curved surface is provided between the mounting surfaces and the side surface, and the first curved surface is used for guiding the second connecting portion into the hooking seat.
15. The battery pack according to claim 5, wherein the second connecting portion extends beyond a surface of the first connecting portion in a direction perpendicular to an extending direction of the hanging portion.
16. The battery pack according to claim 15, wherein a bottom of the second connection part connected to the first connection part has a second arc surface.
17. The battery pack of claim 1, wherein a support structure is disposed between the upper cover and the lower case, and the hanger is coupled to the upper cover and the support structure.
18. The battery pack according to claim 2, wherein the hanging portion extends from the connecting portion to protrude away from the connecting portion.
19. The battery pack according to claim 18, wherein the hanging portion protrudes in a horizontal direction from the connecting portion.
20. The battery pack according to claim 2, wherein the outer wall of the connecting part is provided with a screw part, and is fixedly connected with the upper cover by the screw part.
21. The battery pack of claim 2, wherein the outer wall of the connecting portion has a stop portion extending outwardly therefrom for the catch to abut against the upper cover.
22. The battery pack according to claim 1, wherein the battery pack includes a side wall part, at least two sides of which are vertically provided with a locking shaft for locking the battery pack in a locking mechanism on an electric vehicle.
23. The battery pack according to claim 22, wherein the lower case includes a bottom wall portion and a side wall portion, the bottom wall portion and the upper cover being disposed opposite to each other, the side wall portion being disposed between the bottom wall portion and the upper cover, the side wall portion being provided with a lock shaft vertically along at least two sides in a length direction of the battery pack for locking the battery pack in a lock mechanism on an electric vehicle.
24. The battery pack of claim 1, further comprising a first locking member for locking the battery pack to a bolt-type locking mechanism on the electric vehicle and/or a second locking member for locking the battery pack to a bead-type locking mechanism on the electric vehicle.
25. The battery pack of any one of claims 1-24, wherein the battery pack further comprises a battery end electrical connector comprising:
a mounting side through which the battery end electrical connector is mounted to a battery pack; the battery pack is used for being mounted on an electric automobile to provide power for the electric automobile;
the conductive output side is arranged at the top of the battery pack and is connected with a vehicle end electric connector of the electric vehicle from bottom to top;
and/or the battery package still includes battery end liquid cooling connecting device, battery end liquid cooling connecting device is used for linking to each other with the confession liquid device of the coolant liquid that provides to with the coolant liquid lets in the liquid cooling pipeline in the battery package, battery end liquid cooling connecting device includes:
the mounting seat is arranged on the battery pack; and
the connecting valve is fixed on the mounting seat, the connecting valve is located the inboard one end of battery package with the liquid cooling pipeline is connected, the other end be used for with supply liquid device is connected, the inside openable flow passage that is formed with of connecting valve, and flow passage's flow direction with the plane direction of battery package is mutually perpendicular to realize the intercommunication with electric automobile liquid cooling pipeline behind battery package with direction from bottom to top installation to electric automobile.
26. The battery pack of claim 25, wherein the battery-side electrical connector is disposed on the top cover, and the battery-side liquid-cooled connecting device is disposed on a sidewall portion of the top cover or the lower case.
27. An electric vehicle, characterized in that, it includes the battery package and battery installation department of any claim 1-26, battery installation department locates the electric vehicle bottom, battery installation department includes the hitching seat, the hitching seat along vertical direction hitch on in the hitch piece.
CN202111095523.5A 2020-09-17 2021-09-17 Battery pack horizontally mounted on electric automobile and electric automobile with battery pack Pending CN114284626A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020109819288 2020-09-17
CN202010981928 2020-09-17

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CN114284626A true CN114284626A (en) 2022-04-05

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CN202111093794.7A Pending CN114194063A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile with battery pack mounting part
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CN202111095411.XA Pending CN114194016A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile
CN202111093763.1A Pending CN114204154A (en) 2020-09-17 2021-09-17 Horizontal butt joint type battery end liquid cooling connecting device, battery pack and electric automobile
CN202111093758.0A Pending CN114204189A (en) 2020-09-17 2021-09-17 Vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202122268140.5U Active CN217182347U (en) 2020-09-17 2021-09-17 Battery pack and electric automobile
CN202111095419.6A Pending CN114204199A (en) 2020-09-17 2021-09-17 Battery pack for vertical installation on electric automobile and electric automobile
CN202122262672.8U Active CN216818464U (en) 2020-09-17 2021-09-17 A battery package and electric automobile for articulating on electric automobile
CN202122260109.7U Active CN216563343U (en) 2020-09-17 2021-09-17 Battery end electric connector with good waterproof function, battery pack and electric automobile
CN202111095403.5A Pending CN114194015A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202111095523.5A Pending CN114284626A (en) 2020-09-17 2021-09-17 Battery pack horizontally mounted on electric automobile and electric automobile with battery pack
CN202122267105.1U Active CN216563300U (en) 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile
CN202111094404.8A Pending CN114194014A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202122262660.5U Active CN216672012U (en) 2020-09-17 2021-09-17 Battery end electric connector with stable output, battery pack and electric automobile
CN202111095461.8A Pending CN114204177A (en) 2020-09-17 2021-09-17 Battery pack mounting method for vertically mounting battery pack to battery pack mounting portion
CN202111094047.5A Pending CN114204181A (en) 2020-09-17 2021-09-17 Battery pack mounting method for horizontally mounting battery pack to battery pack mounting portion
CN202111093759.5A Pending CN114204153A (en) 2020-09-17 2021-09-17 Vertical butt joint type vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202111095412.4A Pending CN114204156A (en) 2020-09-17 2021-09-17 Battery replacing bag for vertical connection with electric automobile and electric automobile
CN202122262446.XU Active CN217347468U (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202111095463.7A Pending CN114274754A (en) 2020-09-17 2021-09-17 Battery mounting part for vertically hanging battery pack and electric automobile
CN202111095464.1A Pending CN114204335A (en) 2020-09-17 2021-09-17 Vehicle end electric connector for vertical direction butt joint and electric vehicle
CN202111095458.6A Pending CN114204176A (en) 2020-09-17 2021-09-17 Battery pack for horizontal connection with electric automobile and electric automobile
CN202111094493.6A Pending CN114204155A (en) 2020-09-17 2021-09-17 Liquid cooling connecting device convenient to locking, battery pack and electric automobile

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CN202111093794.7A Pending CN114194063A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile with battery pack mounting part
CN202111095453.3A Pending CN114204175A (en) 2020-09-17 2021-09-17 Battery end electric connector with good waterproof function, battery pack and electric automobile
CN202122262443.6U Active CN216563401U (en) 2020-09-17 2021-09-17 Battery pack for vertical installation on electric automobile and electric automobile
CN202122269616.7U Active CN217848141U (en) 2020-09-17 2021-09-17 Vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202111095454.8A Pending CN114194017A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part
CN202122262715.2U Active CN216698615U (en) 2020-09-17 2021-09-17 Battery pack horizontally mounted on electric automobile and electric automobile with battery pack
CN202122268139.2U Active CN217848074U (en) 2020-09-17 2021-09-17 Vertical butt joint type vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202122262640.8U Active CN216648459U (en) 2020-09-17 2021-09-17 Battery pack for horizontal hanging connection on electric automobile and electric automobile
CN202122261180.7U Active CN216443457U (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202111095398.8A Pending CN114204324A (en) 2020-09-17 2021-09-17 Battery end electric connector with stable output, battery pack and electric automobile
CN202111095421.3A Pending CN114204334A (en) 2020-09-17 2021-09-17 Vehicle end electric connector for horizontal direction butt joint and electric vehicle
CN202111093757.6A Pending CN114204180A (en) 2020-09-17 2021-09-17 A battery package and electric automobile for articulating on electric automobile
CN202122260117.1U Active CN216773666U (en) 2020-09-17 2021-09-17 Vehicle end electric connector for vertical direction butt joint and electric vehicle
CN202122260599.0U Active CN217074013U (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile
CN202122267104.7U Active CN216563299U (en) 2020-09-17 2021-09-17 Liquid cooling connecting device convenient to locking, battery pack and electric automobile
CN202122262497.2U Active CN216805100U (en) 2020-09-17 2021-09-17 Battery mounting part for vertically hanging battery pack and electric automobile
CN202122262444.0U Active CN217124533U (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part
CN202122262629.1U Active CN216563298U (en) 2020-09-17 2021-09-17 Battery replacing bag for vertical connection with electric automobile and electric automobile
CN202122262435.1U Active CN217124591U (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile with battery pack mounting part
CN202122268137.3U Active CN217182255U (en) 2020-09-17 2021-09-17 Battery pack and electric automobile
CN202111093801.3A Pending CN114204201A (en) 2020-09-17 2021-09-17 Quick-change battery end liquid cooling connecting device, battery pack and electric automobile
CN202122260645.7U Active CN216698913U (en) 2020-09-17 2021-09-17 Vehicle end electric connector for horizontal direction butt joint and electric vehicle
CN202111095520.1A Pending CN114204157A (en) 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile
CN202111095411.XA Pending CN114194016A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile
CN202111093763.1A Pending CN114204154A (en) 2020-09-17 2021-09-17 Horizontal butt joint type battery end liquid cooling connecting device, battery pack and electric automobile
CN202111093758.0A Pending CN114204189A (en) 2020-09-17 2021-09-17 Vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202122268140.5U Active CN217182347U (en) 2020-09-17 2021-09-17 Battery pack and electric automobile
CN202111095419.6A Pending CN114204199A (en) 2020-09-17 2021-09-17 Battery pack for vertical installation on electric automobile and electric automobile
CN202122262672.8U Active CN216818464U (en) 2020-09-17 2021-09-17 A battery package and electric automobile for articulating on electric automobile
CN202122260109.7U Active CN216563343U (en) 2020-09-17 2021-09-17 Battery end electric connector with good waterproof function, battery pack and electric automobile
CN202111095403.5A Pending CN114194015A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part

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CN202122267105.1U Active CN216563300U (en) 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile
CN202111094404.8A Pending CN114194014A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202122262660.5U Active CN216672012U (en) 2020-09-17 2021-09-17 Battery end electric connector with stable output, battery pack and electric automobile
CN202111095461.8A Pending CN114204177A (en) 2020-09-17 2021-09-17 Battery pack mounting method for vertically mounting battery pack to battery pack mounting portion
CN202111094047.5A Pending CN114204181A (en) 2020-09-17 2021-09-17 Battery pack mounting method for horizontally mounting battery pack to battery pack mounting portion
CN202111093759.5A Pending CN114204153A (en) 2020-09-17 2021-09-17 Vertical butt joint type vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202111095412.4A Pending CN114204156A (en) 2020-09-17 2021-09-17 Battery replacing bag for vertical connection with electric automobile and electric automobile
CN202122262446.XU Active CN217347468U (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202111095463.7A Pending CN114274754A (en) 2020-09-17 2021-09-17 Battery mounting part for vertically hanging battery pack and electric automobile
CN202111095464.1A Pending CN114204335A (en) 2020-09-17 2021-09-17 Vehicle end electric connector for vertical direction butt joint and electric vehicle
CN202111095458.6A Pending CN114204176A (en) 2020-09-17 2021-09-17 Battery pack for horizontal connection with electric automobile and electric automobile
CN202111094493.6A Pending CN114204155A (en) 2020-09-17 2021-09-17 Liquid cooling connecting device convenient to locking, battery pack and electric automobile

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