CN114374040A - Battery package quick change device and car - Google Patents
Battery package quick change device and car Download PDFInfo
- Publication number
- CN114374040A CN114374040A CN202111581443.0A CN202111581443A CN114374040A CN 114374040 A CN114374040 A CN 114374040A CN 202111581443 A CN202111581443 A CN 202111581443A CN 114374040 A CN114374040 A CN 114374040A
- Authority
- CN
- China
- Prior art keywords
- quick
- suspension
- voltage
- cooling water
- plug
- 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.)
- Granted
Links
- 230000008859 change Effects 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 176
- 239000000498 cooling water Substances 0.000 claims abstract description 74
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 6
- 239000000306 component Substances 0.000 description 30
- 238000009434 installation Methods 0.000 description 26
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- 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
-
- 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
- H01M10/656—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a quick change device for a battery pack and an automobile, comprising: the tray is provided with a mounting area and a connecting area, and the mounting area of the tray is used for mounting the power battery pack; the suspension assembly is connected with the connecting area of the tray and is used for flexibly connecting the power battery pack with the frame; the quick-change box is arranged on the tray, and is used for being electrically connected with the high-voltage distribution box and connected with the cooling system, and the quick-change box is electrically connected with the power battery and conveys cooling water to the power battery pack. And the flexible connection between the power battery and the frame is realized through the torsion resistance of the suspension assembly. Through quick change box electric connection power battery to carry the power battery package with cooling water, realize power battery package high-speed joint, easy operation when changing the power battery package, whole battery package quick change device is changed as a whole, and it is efficient to change, and the commonality is strong, has saved the battery charge time.
Description
Technical Field
The invention relates to the technical field of electric automobile structures, in particular to a quick battery pack replacing device and an automobile.
Background
In the field of automobiles, electric vehicles including electric commercial vehicles and electric passenger vehicles use a power battery pack consisting of lithium iron phosphate or ternary lithium batteries and other electric cores as power energy, and an electric driving system consisting of the power battery pack, a motor, a gearbox and a transmission shaft replaces a fuel driving system consisting of a fuel engine, the gearbox, the transmission shaft and the like.
The automobile power battery pack is used as a power energy source of the electric automobile and is an important core component of the electric automobile. The power battery is used as a power source of the electric automobile, the service performance of the power battery determines the endurance capacity of the electric automobile, the power battery of the electric automobile is usually not detachable, the battery is charged in a constant-voltage and constant-current traditional charging mode, the charging time is longer, the quick charging mode can shorten the supply time, but the reduction capacity of the power battery can be reduced due to overlarge current and voltage in a short time, the cycle number of charging and discharging of the battery is reduced, the attenuation of the battery capacity is accelerated, and the service life of the power battery is further shortened. Although the pure electric vehicle in the battery replacement mode can solve the problem of the endurance energy of the pure electric vehicle theoretically, the problems of mechanical and electrical quick replacement and connection sealing of a power battery and the vehicle must be solved, and meanwhile, the universalization and the cost are considered in the design of a quick-replacement system.
Disclosure of Invention
Therefore, in order to solve the problem of battery pack endurance of the electric vehicle, it is necessary to provide a quick replacement device for a battery pack, which is light in weight, easy to operate, good in torsion resistance and high in replacement efficiency.
A battery pack quick-change device, comprising:
the tray is provided with a mounting area and a connecting area, and the mounting area of the tray is used for mounting the power battery pack;
the suspension assembly is connected with the connecting area of the tray and is used for flexibly connecting the power battery pack with the frame;
the quick-change box is arranged between the tray and the frame and is used for being electrically connected with the high-voltage distribution box and connected with a cooling system, and the quick-change box is electrically connected with the power battery and conveys cooling water to the power battery pack.
In one embodiment, the quick-change cartridge comprises:
the cooling system comprises a first quick-change component, a second quick-change component and a cooling system, wherein the first quick-change component is connected with a frame and is used for being electrically connected with a high-voltage distribution box and connected with the cooling system, and the first quick-change component comprises a first electric connection assembly and a first cooling water conveying assembly;
the second quick-change component is connected with the tray, and is used for being electrically connected with the power battery pack, and the second quick-change component comprises a second electric connection assembly and a second cooling water conveying assembly, the second electric connection assembly is electrically connected with the first electric connection assembly, the first cooling water conveying assembly is connected with the second cooling water conveying assembly, and the first cooling water conveying assembly and the second cooling water conveying assembly are used for conveying cooling water to the power battery pack.
In one embodiment, the first electrical connection component comprises a low-voltage wire socket, a positive high-voltage plug, a ground plug, a negative high-voltage plug and a first high-voltage wire, the second electrical connection component comprises a low-voltage wire plug, a positive high-voltage plug, a ground plug, a negative high-voltage plug and a second high-voltage wire, the first high-voltage wire is used for being electrically connected with the high-voltage distribution box, the second high-voltage wire is used for being electrically connected with the power battery pack, and the low-voltage wire socket, the positive high-voltage plug, the ground plug and the negative high-voltage plug are respectively connected with the low-voltage wire plug, the positive high-voltage plug, the ground plug and the negative high-voltage plug; and/or the presence of a gas in the gas,
first cooling water conveying component includes cooling water socket, first condenser tube, second cooling water conveying component includes cooling water plug, second condenser tube, first condenser tube is used for connecting cooling system, second condenser tube is used for connecting power battery package, the cooling water plug with the cooling water socket is connected.
In one embodiment, the low-voltage line socket, the positive high-voltage jack, the ground jack, the negative high-voltage jack and the cooling water socket are disposed on the same side of the first quick-change component, the low-voltage line plug, the positive high-voltage plug, the ground plug, the negative high-voltage plug and the cooling water plug are disposed on the same side of the second quick-change component, and the low-voltage line socket, the positive high-voltage jack, the ground jack, the negative high-voltage jack and the cooling water socket are respectively opposite to the low-voltage line plug, the positive high-voltage plug, the ground plug, the negative high-voltage plug and the cooling water plug.
In one embodiment, the suspension assembly comprises a suspension bracket, a suspension connecting member and a suspension base, wherein the suspension bracket is connected with the tray, the suspension base is connected with the suspension bracket, the suspension bracket has deformation capacity to resist the distortion of the vehicle frame, the suspension connecting member is connected with the suspension base, and the suspension connecting member is used for being connected with the vehicle frame.
In one embodiment, the suspension base includes a connection hole, a first boss, a second boss and a support leg, the first boss is disposed on a side of the suspension base away from the suspension support, the second boss and the support leg are disposed on a side of the suspension base close to the suspension support, the connection hole penetrates through the first boss and the second boss, and the support leg is connected to the suspension support.
In one embodiment, the suspension connecting member is provided with a head portion and a connecting portion, the head portion of the suspension connecting member is provided with a limiting surface, the second boss is in smooth transition connection with the supporting leg, the second boss is provided with a limiting mating surface, the connecting portion of the suspension connecting member is connected with the suspension base through the connecting hole, the head portion of the suspension connecting member abuts against the second boss, and the limiting surface is in abutting fit with the limiting mating surface.
In one embodiment, the pallet comprises a first edge beam, a corner plate, a second edge beam, a first middle beam and a second middle beam, the first edge beam is fixedly connected with one end of the corner plate, the other end of the corner plate is fixedly connected with the second edge beam, the first edge beam, the corner plate and the second edge beam enclose a frame, the first middle beam and the second middle beam are both arranged in the frame, the first middle beam and the second middle beam are both fixedly connected with the frame, the second middle beam is perpendicular to the first middle beam, the connecting area is located on the first edge beam, and the suspension assembly is connected with the first edge beam.
In one embodiment, the second intermediate beam penetrates through the first intermediate beam and is fixedly connected with the first intermediate beam through the auxiliary piece.
An automobile comprises the battery pack quick-change device.
According to the quick-change device for the battery pack, the power battery pack is installed in the installation area of the tray, the connection is reliable, the installation structure is simple, and the weight is reduced. The suspension assembly is connected with the connecting area of the tray, the power battery pack is flexibly connected with the frame, and the power battery pack is quickly connected with the frame. Through the antitorque commentaries on classics nature of suspension subassembly, realize power battery and frame flexonics, power battery damages because of the distortion of frame when can avoiding the car to travel, also can cushion the power source simultaneously and encourage the vibration of automobile body, reduce the production of automobile vibration and noise from the source, improve and drive the travelling comfort. Through quick change box electric connection power battery to carry the power battery package with cooling water, realize the high-speed joint of power battery package, easy operation. When changing power battery package, through the suspension subassembly disconnection battery package quick change device with being connected of frame, whole battery package quick change device is changed as whole, changes efficiently, and the commonality is strong, has saved the battery charge time, adopts conventional charging mode to charge battery package quick change device and power battery package under changing, need not the quick charge, can prolong power battery package life-span. The fully charged power battery pack and the battery pack quick-change device are used as spare parts for next replacement and recycling.
Above-mentioned car, including as above-mentioned battery package quick change device, simple structure with power battery package and frame flexonics, can avoid power battery package to damage, reduce the noise simultaneously, improve the travelling comfort of driving. When the battery pack quick-change device is replaced, the whole battery pack quick-change device is replaced as a whole, the operation is simple, the replacement efficiency is high, the charging time is saved, the battery pack quick-change device is recycled, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a quick-change device for a battery pack;
fig. 2 is a schematic structural view of a first quick-change part;
fig. 3 is a schematic structural view of a second quick-change part;
fig. 4 is a schematic structural view of another view angle of the quick-change device for battery packs;
FIG. 5 is a schematic view of a suspension mount structure;
FIG. 6 is a schematic view of a suspension base structure;
FIG. 7 is a cross-sectional view of the suspension assembly;
FIG. 8 is a schematic view of a tray and suspension assembly;
fig. 9 is a schematic view of a tray structure.
Description of reference numerals:
10. a first quick-change part; 20. a second quick-change part; 30. a frame; 40. a tray; 50. a suspension assembly; 60. a power battery pack; 70. an elastic member; 80. a locking member;
11. a positioning sleeve; 12. a low-voltage line socket; 13. a positive high voltage jack; 14. a ground jack; 15. a negative high-voltage jack; 16. a cooling water socket; 17. a first cooling water pipe; 18. a first high-voltage line;
21. a positioning column; 22. a low-voltage line plug; 23. a positive high voltage plug; 24. a ground plug; 25. a negative high voltage plug; 26. a cooling water plug; 27. a second cooling water pipe; 28. a second high-voltage line;
41. a first edge beam; 42. a gusset; 43. a second edge beam; 44. a first intermediate beam; 45. a second intermediate beam; 46. an auxiliary member;
411. a first lightening hole; 412. a second lightening hole; 413. a third lightening hole;
431. a fourth lightening hole; 441. a fifth lightening hole;
51. a suspension bracket; 52. a suspension base; 53. a suspension connection;
511. an arched reinforcing rib; 521. a first boss; 522. supporting legs; 523. a second boss; 524. and limiting the matching surface.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a quick-change device for a battery pack according to an embodiment of the present invention, where the quick-change device for a battery pack according to an embodiment of the present invention includes: the tray 40, the tray 40 has installation area and connection area, the installation area of the tray 40 is used for installing the power battery pack 60; a suspension assembly 50, wherein the suspension assembly 50 is connected with the connecting area of the tray 40 and is used for flexibly connecting the power battery pack 60 with the frame 30; and the quick-change box is arranged between the tray 40 and the frame 30, is electrically connected with the high-voltage distribution box and is connected with the cooling system, and is electrically connected with the power battery and conveys cooling water to the power battery pack 60. According to the quick-change device for the battery pack, the power battery pack 60 is installed in the installation area of the tray 40, the connection is reliable, the installation structure is simple, and the weight is reduced. The power battery pack 60 is flexibly connected with the frame 30 through the connection of the suspension assembly 50 and the connection area of the tray 40, and the quick connection installation of the power battery pack 60 and the frame 30 is realized. Through suspension assembly 50's antitorque commentaries on classics nature, realize power battery and frame 30 flexonics, power battery damages because of the distortion of frame 30 when can avoiding the car to travel, also can cushion the vibration excitation of power source to the automobile body simultaneously, reduces the production of automobile vibration and noise from the source, improves and drives the travelling comfort. The power battery is electrically connected with the quick-change box, and cooling water is conveyed to the power battery pack 60, so that the quick connection of the power battery pack 60 is realized, and the operation is simple. When the power battery pack 60 is replaced, the suspension assembly 50 is used for disconnecting the connection between the battery pack quick-change device and the frame 30, the whole battery pack quick-change device is replaced as a whole, the replacement efficiency is high, the universality is high, the battery charging time is saved, the replaced battery pack quick-change device and the power battery pack 60 are charged in a conventional charging mode, the quick charging is not needed, and the service life of the power battery pack 60 can be prolonged. The fully charged power battery pack 60 and the battery pack quick-change device are used as spare parts for next replacement and recycling.
Preferably, in one embodiment, the quick-change box comprises a first quick-change part 10 and a second quick-change part 20, the first quick-change part 10 is connected with the frame 30, the first quick-change part 10 is used for being electrically connected with the high-voltage distribution box and being connected with the cooling system, the first quick-change part 10 comprises a first electrical connection assembly and a first cooling water delivery assembly, the second quick-change part 20 is connected with the tray 40, the second quick-change part 20 is used for being electrically connected with the power battery pack 60, the second quick-change part 20 comprises a second electrical connection assembly and a second cooling water delivery assembly, the second electrical connection assembly is electrically connected with the first electrical connection assembly, the first cooling water delivery assembly is connected with the second cooling water delivery assembly, and the first cooling water delivery assembly and the second cooling water delivery assembly are used for delivering cooling water to the power battery pack 60. Through second electrical connection component and first electrical connection component grafting, realize that power battery package 60's electricity is connected and is switched on, peg graft through first cooling water transport assembly and second cooling water transport assembly, realize power battery package 60 cooling water circulation, connect easy operation, high efficiency.
With reference to fig. 2 to 4, fig. 2 shows a schematic structural diagram of a first quick-change component 10 in an embodiment of the present invention, fig. 3 shows a schematic structural diagram of a second quick-change component 20 in an embodiment of the present invention, and fig. 4 shows a schematic structural diagram of another view of a quick-change device for a battery pack in an embodiment of the present invention. In one embodiment, the first electrical connection component includes a low-voltage line socket 12, a positive high-voltage jack 13, a ground jack 14, a negative high-voltage jack 15 and a first high-voltage line 18, the second electrical connection component includes a low-voltage line plug 22, a positive high-voltage plug 23, a ground plug 24, a negative high-voltage plug 25 and a second high-voltage line 28, the first high-voltage line 18 is used for being electrically connected with the high-voltage distribution box, the second high-voltage line 28 is used for being electrically connected with the power battery pack 60, and the low-voltage line socket 12, the positive high-voltage jack 13, the ground jack 14 and the negative high-voltage jack 15 are respectively connected with the low-voltage line plug 22, the positive high-voltage plug 23, the ground plug 24 and the negative high-voltage plug 25, so as to achieve electrical connection and conduction of the power battery pack 60; and/or, the first cooling water delivery assembly comprises a cooling water socket 16 and a first cooling water pipe 17, the second cooling water delivery assembly comprises a cooling water plug 26 and a second cooling water pipe 27, the first cooling water pipe 17 is used for connecting a cooling system, the second cooling water pipe 27 is used for connecting a power battery pack 60, the cooling water plug 26 is connected with the cooling water socket 16, the circulation of cooling water of the power battery pack 60 is realized, and the connection operation is simple and efficient.
In one embodiment, the low-voltage wire socket 12, the positive high-voltage jack 13, the grounding jack 14, the negative high-voltage jack 15 and the cooling water socket 16 are disposed on the same side of the first quick-change component 10, the low-voltage wire plug 22, the positive high-voltage plug 23, the grounding plug 24, the negative high-voltage plug 25 and the cooling water plug 26 are disposed on the same side of the second quick-change component 20, and the low-voltage wire socket 12, the positive high-voltage jack 13, the grounding jack 14, the negative high-voltage jack 15 and the cooling water socket 16 are respectively opposite to the low-voltage wire plug 22, the positive high-voltage plug 23, the grounding plug 24, the negative high-voltage plug 25 and the cooling water plug 26, when the first quick-change component 10 and the second quick-change component 20 are connected, the plugs and the jacks are aligned, and then the quick-connection between the first quick-change component 10 and the second quick-change component 20 is achieved to achieve the electrical connection of the power battery pack 60 and the cooling water circulation of the power battery pack 60, saving operating steps and time.
Preferably, the first electrical connection assembly further includes a positioning sleeve 11, and the second electrical connection assembly further includes a positioning post 21, where the positioning sleeve 11 is opposite to the positioning post 21. When the first quick-change component 10 is connected with the second quick-change component 20, the positioning column 21 and the positioning sleeve 11 are matched for guiding and positioning, and after the positioning sleeve 11 and the positioning column 21 are aligned, the first quick-change component and the second quick-change component can be inserted and connected at one time, so that the connection is convenient, fast and accurate.
Preferably, the first electrical connection assembly further comprises a first sealing frame, the first sealing frame is provided with a first accommodating area, and the low-voltage line socket 12, the positive electrode high-voltage jack 13, the ground jack 14 and the negative electrode high-voltage jack 15 are all arranged in the first accommodating area; and/or the second electric connection assembly further comprises a second sealing frame, the second sealing frame is provided with a second accommodating area, and the low-voltage line plug 22, the positive high-voltage plug 23, the grounding plug 24 and the negative high-voltage plug 25 are arranged in the second accommodating area. After the first quick-change component 10 and the second quick-change component 20 are connected, the first sealing frame and the second sealing frame are matched to form a closed space, so that the plug and the jack can be protected when the automobile runs, and the connection is ensured to be effective.
Preferably, an allowable installation error range is left between the first quick-change part 10 and the second quick-change part 20, and when an actual installation error between the first quick-change part 10 and the second quick-change part 20 is smaller than the allowable installation error range, the first quick-change part 10 and the second quick-change part 20 are effectively connected, and the conduction of the electrical connection and the flow of cooling water are not affected. Further, a mounting error range of ± 5mm is left between the first quick-change part 10 and the second quick-change part 20, and when an actual mounting error between the first quick-change part 10 and the second quick-change part 20 falls within ± 5mm, that is, an allowable mounting error, the first quick-change part 10 and the second quick-change part 20 are effectively connected, and electrical connection conduction and cooling water flow are not affected.
Referring to fig. 7, fig. 7 is a schematic cross-sectional view of a suspension assembly 50 according to an embodiment of the present invention. In one embodiment, the suspension assembly 50 includes a suspension bracket 51, a suspension connector 53 and a suspension base 52, the suspension bracket 51 is connected with the tray 40, the suspension base 52 is connected with the suspension bracket 51, the suspension bracket 51 has a deformation capability to resist the distortion of the vehicle frame 30, the suspension connector 53 is connected with the suspension base 52, and the suspension connector 53 is used for connecting with the vehicle frame 30. Preferably, both ends of the suspension bracket 51 are connected with the connection area of the tray 40, the middle part of the suspension bracket 51 is connected with the suspension base 52, the power battery pack 60 is installed and connected with the installation area of the tray 40, the suspension bracket 51 is flexibly connected with the frame 30 through the suspension bracket 51, the suspension base 52 connects the suspension bracket 51 with the frame 30, when the automobile driving frame 30 deforms, the suspension bracket 51 absorbs the deformation through the structure thereof, the influence of the torsional deformation of the frame 30 on the power battery pack 60 is resisted, and the damage of the power battery pack 60 is avoided.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a suspension bracket 51 according to an embodiment of the present invention. Preferably, the middle of the suspension bracket 51 is connected to both ends of the suspension bracket 51 by bending, both ends of the suspension bracket 51 are connected to the connection region of the tray 40, and the middle of the suspension bracket 51 is connected to the suspension base 52. The suspension bracket 51 has a deformation space under the condition that the structure meets the requirements of rigidity and strength, and can absorb the vibration and distortion transmitted from the frame 30 to the power battery pack 60 through the elastic deformation of the structure, so that the flexible connection between the power battery pack 60 and the frame 30 is realized.
As shown in fig. 5 and 7, optionally, the suspension bracket 51 is a zigzag sheet metal part formed by bending the middle part, two ends of the sheet metal part are connected with the connection area of the tray 40, and the middle part of the sheet metal part is connected with the suspension base 52. Under the condition that the structure meets rigidity and strength, the suspension bracket 51 can buffer and absorb vibration and distortion transmitted from the frame 30 to the power battery pack 60 through elastic deformation of the structure, so that the flexible connection between the power battery pack 60 and the frame 30 is realized, the influence of the distortion of the frame 30 on the power battery pack 60 is resisted, the damage of the power battery pack 60 is avoided, and the connection is ensured to be effective.
Alternatively, the suspension bracket 51 is made of an elastic material, both ends of the suspension bracket 51 are connected to the connection regions of the tray 40, and the middle of the suspension bracket 51 is connected to the suspension base 52. The deformation energy absorption of the elastic material is used for buffering the vibration and the distortion transmitted from the frame 30 to the power battery pack 60, so that the flexible connection between the power battery pack 60 and the frame 30 is realized, the influence of the distortion of the frame 30 on the power battery pack 60 is resisted, the damage of the power battery pack 60 is avoided, and the connection is ensured to be effective.
Optionally, two ends of the suspension bracket 51 are connected with the connection area of the tray 40 through evenly distributed bolts or rivets, the middle of the suspension bracket 51 is connected with the suspension base 52 through evenly distributed bolts or rivets, the installation area and the connection area are respectively located on two back-to-back sides of the tray 40, and the power battery pack 60 is connected with the installation area of the tray 40 through evenly distributed bolts or rivets, so that the connection between the power battery pack 60 and the frame 30 is realized. The suspension bracket 51 has deformation capability, can resist the distortion of the frame 30, and realizes the flexible connection between the power battery pack 60 and the frame 30.
Referring to fig. 1, preferably, the number of the suspension assemblies 50 is at least four, at least four connection areas are uniformly distributed on a pair of edges of the tray 40, each connection area is connected with one suspension assembly 50, and the at least four suspension assemblies 50 are flexibly connected with the frame 30, so that the tray 40 provided with the power battery pack 60 is uniformly stressed, and the connection stability is improved.
Referring to fig. 5, optionally, in one embodiment, the suspension bracket 51 is provided with an arched reinforcing rib 511, and the suspension bracket 51 is provided with a first flange at the periphery thereof. The structural strength and rigidity of the suspension bracket 51 are enhanced by the arched reinforcing ribs 511, and the arched reinforcing ribs 511 are arranged on the center line of the suspension bracket 51, so that the suspension bracket 51 is uniformly stressed. The stress concentration of the suspension bracket 51 is reduced through the flanging at the periphery of the suspension bracket 51, the connection and installation of the suspension bracket 51 and the installation area of the tray 40 are facilitated, and the connection stability is enhanced.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a suspension base 52 according to an embodiment of the present invention. Preferably, in one embodiment, the suspension base 52 includes a connection hole, a first boss 521, a second boss 523 and a support leg 522, the first boss 521 is disposed on a side of the suspension base 52 away from the suspension bracket 51, the second boss 523 and the support leg 522 are disposed on a side of the suspension base 52 close to the suspension bracket 51, the connection hole penetrates through the first boss 521 and the second boss 523, and the support leg 522 is connected to the suspension bracket 51. The suspension connecting piece 53 is connected with the first boss 521 and the second boss 523 through a connecting hole, one end of the suspension connecting piece 53 close to the suspension support 51 is in limit abutting connection with the second boss 523, one end of the suspension connecting piece 53 far away from the suspension support 51 is connected with the frame 30, and connection of the suspension base 52 and the frame 30 is achieved.
Optionally, the number of the supporting feet 522 is at least four, the at least four supporting feet 522 are uniformly arranged on the suspension base 52, and the suspension base 52 is connected with the suspension bracket 51 through the at least four supporting feet 522. Optionally, the at least four supporting legs 522 are columns provided with internal threaded holes, and the suspension base 52 is in threaded connection with the suspension bracket 51 through the at least four supporting legs 522, so that the suspension bracket 51 is connected with the frame 30.
Referring to fig. 7, in one embodiment, the suspension connecting member 53 has a head portion and a connecting portion, the head portion of the suspension connecting member 53 has a limiting surface, the second boss 523 is connected to the supporting leg 522 in a smooth transition manner, the second boss 523 has a limiting mating surface 524, the connecting portion of the suspension connecting member 53 is connected to the suspension base 52 through the connecting hole, the head portion of the suspension connecting member 53 abuts against the second boss 523, and the limiting surface abuts against and mates with the limiting mating surface 524. The second bosses 523 are smoothly and transitionally connected with the supporting legs 522, so that the suspension base 52 is uniformly stressed, stress concentration is reduced, and the connection stability is improved. When the head of the suspension connecting piece 53 abuts against the second boss 523, the limit surface of the head of the suspension connecting piece 53 abuts against the limit matching surface 524 of the second boss 523 to limit the rotation of the suspension connecting piece 53, so that the suspension connecting piece 53 is prevented from being separated from the connecting hole, and the reliable connection between the suspension base 52 and the frame 30 is ensured.
Alternatively, the end of the connecting portion of the suspension link 53 away from the head portion is provided with a tapered guide surface to facilitate the connection of the suspension link 53 with the connecting hole of the suspension base 52.
Referring to fig. 1 and 7, preferably, in one embodiment, the suspension assembly further includes a locking member 80, the locking member 80 is connected to the suspension assembly 50, and the locking member 80 is used for locking the connection between the suspension assembly 50 and the frame 30. The secure attachment of suspension assembly 50 to frame 30 is ensured by lock 80 limiting the movement of suspension assembly 50 relative to frame 30. Further, the battery pack quick-change device further comprises an elastic member 70, the elastic member 70 is arranged at the connection position of the frame 30 and the suspension connecting member 53 and is connected with the frame 30 and the suspension assembly 50, the connection part of the locking member 80 and the suspension connecting member 53 is connected with one end of the suspension base 52, and the locking member 80 abuts against the elastic member 70, so that the effective connection between the elastic member 70 and the frame 30 is ensured. When changing the battery package, unscrew locking piece 80, make locking piece 80 break away from suspension connecting piece 53, can lift battery package quick change device off, whole battery package quick change device is changed as whole, and it is efficient to change, and the commonality is strong, has saved the battery charge time, adopts conventional charge mode to charge battery package quick change device and power battery package 60 under changing, need not to fill soon, can prolong battery package life-span. The fully charged power battery pack 60 and the battery pack quick-change device are used as spare parts for next replacement and recycling.
Further, there are at least two elastic members 70, and one of the at least two elastic members 70 is disposed on one side of the frame 30 close to the suspension base 52 and connected to the suspension connecting member 53, so as to buffer the vibration and deformation of the frame 30 transmitted to the suspension base 52, avoid the damage of the power battery pack 60, and ensure the effective connection of the power battery pack 60; the other of the at least two elastic pieces 70 is arranged on one side, far away from the suspension base 52, of the frame 30, is connected with the suspension connecting piece 53 and is abutted against the suspension base 52, so that the vibration and the deformation of the frame 30 transmitted to the suspension base 52 are further buffered, the effective connection of the power battery pack 60 is ensured, the flexible connection between the power battery pack 60 and the frame 30 is realized, the torsion resistance of the battery pack quick-change device is improved, meanwhile, the vibration isolation rate can reach 80%, the influence of the vibration of the frame 30 on the power battery pack 60 can be effectively reduced, and the NVH performance of the whole vehicle is greatly improved.
In one embodiment, the elastic member 70 includes at least two metal plates and at least two rubber layers, and the at least two metal plates are respectively disposed on two sides of the rubber layers, and the at least two metal plates and the rubber layers form the elastic member 70. Further, the center portions of the metal plate and the rubber layer have center holes having a diameter larger than that of the connection portion of the suspension connection member 53 to ensure that the force acting on the suspension connection member 53 completely acts on the elastic member 70, improve the flexibility of the connection of the power battery pack 60 with the frame 30, and facilitate the installation of the elastic member 70. Alternatively, the diameter of the central hole is 1mm larger than the diameter of the coupling portion of the suspension coupling member 53, ensuring that the force acting on the suspension coupling member 53 completely acts on the elastic member 70, improving the flexibility of coupling the power battery pack 60 to the frame 30, and facilitating the installation of the elastic member 70. The metal disc has a lower height around than in the middle, which facilitates vulcanization and prevents burrs around from affecting the precision of the assembly of the elastic member 70 with the plane.
Referring to fig. 8 and 9, fig. 8 shows a schematic structural diagram of the tray 40 and the suspension assembly 50 in an embodiment of the present invention, and fig. 9 shows a schematic structural diagram of the tray 40 in an embodiment of the present invention. In one embodiment, the tray 40 includes a first side beam 41, a corner plate 42, a second side beam 43, a first middle beam 44 and a second middle beam 45, the first side beam 41 is fixedly connected to one end of the corner plate 42, the other end of the corner plate 42 is fixedly connected to the second side beam 43, the first side beam 41, the corner plate 42 and the second side beam 43 form a frame, the first middle beam 44 and the second middle beam 45 are both disposed in the frame, the first middle beam 44 and the second middle beam 45 are both fixedly connected to the frame, the second middle beam 45 is perpendicular to the first middle beam 44, the connection region is located on the first side beam 41, and the suspension assembly 50 is connected to the first side beam 41. The installation region is arranged on one side of the first edge beam 41, the angle plate 42 and the second edge beam 43 close to the power battery pack 60, the power battery pack 60 is connected with the tray 40 at the installation region, the frame structure of the tray 40 enclosed by the first edge beam 41, the angle plate 42 and the second edge beam 43 is simple, the installation structure between the power battery pack 60 and the frame 30 is simplified, the installation connection is easy, the connection is reliable, and meanwhile, the frame structure reduces the weight of the tray 40. The structural strength and rigidity of the framework of the tray 40 are enhanced through the first middle beam 44 and the second middle beam, the bearing area of the tray 40 is increased, the stress on the tray 40 is uniform, and the connection stability is improved.
Optionally, the number of the first intermediate beam 44 and the second intermediate beam 45 is at least one, at least one of the first intermediate beam 44 and the second intermediate beam 45 is disposed in the frame, at least one of the first intermediate beam 44 and the second intermediate beam 45 is fixedly connected to the frame, and at least one of the second intermediate beam 45 is perpendicular to at least one of the first intermediate beam 44, so that the structural strength and rigidity of the frame of the pallet 40 are further enhanced, and the connection stability is improved.
Optionally, the first middle beam 44 and the second middle beam 45 are fixedly connected with the frame through bolts or rivets, the second middle beam 45 is perpendicular to the first middle beam 44 and is fixedly connected with the first middle beam 44 through bolts or rivets, the suspension assembly 50 is fixedly connected with the first edge beam 41 at the connection area through bolts or rivets, connection between the suspension assembly 50 and the tray 40 is achieved, and installation and operation are simple and convenient.
Further, in one embodiment, the first edge beam 41 is provided with any one or any combination of a first lightening hole 411, a second lightening hole 412 and a third lightening hole 413; and/or the second side beam 43 is provided with a fourth lightening hole 431; and/or the first middle beam 44 and the second middle beam 45 are provided with fifth lightening holes 441. By providing the lightening holes, the first side member 41, the gusset 42, the second side member 43, the first intermediate member 44 and the second intermediate member 45 are reduced in structural weight.
Further, the first lightening hole 411, the third lightening hole 413, the fourth lightening hole 431 and the fifth lightening hole 441 are kidney-shaped holes, and the second lightening hole 412 is a round hole to reduce stress concentration. The width of the first lightening hole 411 is larger than that of the third lightening hole 413, the width of the third lightening hole 413 is larger than that of the fourth lightening hole 431, and the width of the fourth lightening hole 431 is larger than that of the fifth lightening hole 441, so that the structure of the first side beam 41, the corner plate 42, the second side beam 43, the first middle beam 44 and the second middle beam 45 meets the requirements of strength and rigidity, and meanwhile, the weight of the structure is reduced.
Optionally, the connecting area of the tray 40 is disposed on a pair of opposite first side beams 41, the first lightening holes 411, the second lightening holes 412 and the third lightening holes 413 are all disposed on the connecting area, the second lightening holes 412 are disposed between the first lightening holes 411 and the third lightening holes 413, and the first lightening holes 411, the second lightening holes 412 and the third lightening holes 413 are all disposed in the connecting area, so that the stress distribution of the first side beams 41 is uniform, and the structural stability of the tray 40 is improved.
In one embodiment, the auxiliary member 46 is further included, and the second middle beam 45 passes through the first middle beam 44 and is fixedly connected with the first middle beam 44 through the auxiliary member 46. The auxiliary member 46 limits the rotational freedom degree of the joint of the first intermediate beam 44 and the second intermediate beam 45, so as to avoid the relative displacement between the first intermediate beam 44 and the second intermediate beam 45 and enhance the structural connection stability of the pallet 40. Optionally, the auxiliary member 46 is angle iron or angle steel formed by bending a sheet metal part, and the second intermediate beam 45 passes through the first intermediate beam 44 and is fixedly connected with the first intermediate beam 44 through the angle iron or angle steel. The rotational degree of freedom at the joint of the first intermediate beam 44 and the second intermediate beam 45 is restricted by angle iron or angle steel, the structure of the auxiliary 46 is simplified, and the installation is easy.
In one embodiment, the corner plate 42 is provided with a reinforcing rib and the corner plate 42 is provided with a second flange around the corner plate. The reinforcing ribs enhance the structural strength and rigidity of the angle plate 42 and are arranged on the center line of the angle plate 42, so that the angle plate 42 is stressed uniformly. Stress concentration of the angle plate 42 is reduced through the flanging at the periphery of the angle plate 42, connection of the angle plate 42 with the first middle beam 44 and the second middle beam 45 is facilitated, and connection stability is enhanced.
In addition, the invention also provides an automobile which comprises the battery pack quick-change device.
According to the quick-change device for the battery pack, the power battery pack 60 is installed in the installation area of the tray 40, the connection is reliable, the installation structure is simple, and the weight is reduced. The power battery pack 60 is flexibly connected with the frame 30 through the connection of the suspension assembly 50 and the connection area of the tray 40, and the quick connection installation of the power battery pack 60 and the frame 30 is realized. Through suspension assembly 50's antitorque commentaries on classics nature, realize power battery and frame 30 flexonics, power battery damages because of the distortion of frame 30 when can avoiding the car to travel, also can cushion the vibration excitation of power source to the automobile body simultaneously, reduces the production of automobile vibration and noise from the source, improves and drives the travelling comfort. The power battery is electrically connected with the quick-change box, and cooling water is conveyed to the power battery pack 60, so that the quick connection of the power battery pack 60 is realized, and the operation is simple. When the power battery pack 60 is replaced, the suspension assembly 50 is used for disconnecting the connection between the battery pack quick-change device and the frame 30, the whole battery pack quick-change device is replaced as a whole, the replacement efficiency is high, the universality is high, the battery charging time is saved, the replaced battery pack quick-change device and the power battery pack 60 are charged in a conventional charging mode, the quick charging is not needed, and the service life of the power battery pack 60 can be prolonged. The fully charged power battery pack 60 and the battery pack quick-change device are used as spare parts for next replacement and recycling.
Above-mentioned car, including as above-mentioned battery package quick change device, simple structure with power battery package 60 and frame 30 flexonics, can avoid power battery package 60 to damage, reduce the noise simultaneously, improve the travelling comfort of driving. When the battery pack quick-change device is replaced, the whole battery pack quick-change device is replaced as a whole, the operation is simple, the replacement efficiency is high, the charging time is saved, the battery pack quick-change device is recycled, and the cost is saved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A quick change device for a battery pack, comprising:
the tray is provided with a mounting area and a connecting area, and the mounting area of the tray is used for mounting the power battery pack;
the suspension assembly is connected with the connecting area of the tray and is used for flexibly connecting the power battery pack with the frame;
the quick-change box is arranged between the tray and the frame and is used for being electrically connected with the high-voltage distribution box and connected with a cooling system, and the quick-change box is electrically connected with the power battery and conveys cooling water to the power battery pack.
2. The quick-change device for battery packs as claimed in claim 1, characterized in that the quick-change cartridge comprises:
the cooling system comprises a first quick-change component, a second quick-change component and a cooling system, wherein the first quick-change component is connected with a frame and is used for being electrically connected with a high-voltage distribution box and connected with the cooling system, and the first quick-change component comprises a first electric connection assembly and a first cooling water conveying assembly;
the second quick-change component is connected with the tray, and is used for being electrically connected with the power battery pack, and the second quick-change component comprises a second electric connection assembly and a second cooling water conveying assembly, the second electric connection assembly is electrically connected with the first electric connection assembly, the first cooling water conveying assembly is connected with the second cooling water conveying assembly, and the first cooling water conveying assembly and the second cooling water conveying assembly are used for conveying cooling water to the power battery pack.
3. The quick-change device for the battery pack according to claim 2, wherein the first electrical connection component comprises a low-voltage line socket, a positive high-voltage jack, a grounding jack, a negative high-voltage jack and a first high-voltage line, the second electrical connection component comprises a low-voltage line plug, a positive high-voltage plug, a grounding plug, a negative high-voltage plug and a second high-voltage line, the first high-voltage line is used for being electrically connected with the high-voltage distribution box, the second high-voltage line is used for being electrically connected with the power battery pack, and the low-voltage line socket, the positive high-voltage jack, the grounding jack and the negative high-voltage jack are respectively connected with the low-voltage line plug, the positive high-voltage plug, the grounding plug and the negative high-voltage plug; and/or the presence of a gas in the gas,
first cooling water conveying component includes cooling water socket, first condenser tube, second cooling water conveying component includes cooling water plug, second condenser tube, first condenser tube is used for connecting cooling system, second condenser tube is used for connecting power battery package, the cooling water plug with the cooling water socket is connected.
4. The quick-change device for battery packs as claimed in claim 3, wherein the low-voltage line socket, the positive high-voltage jack, the grounding jack, the negative high-voltage jack and the cooling water socket are disposed on the same side of the first quick-change part, the low-voltage line plug, the positive high-voltage plug, the grounding plug, the negative high-voltage plug and the cooling water plug are disposed on the same side of the second quick-change part, and the low-voltage line socket, the positive high-voltage jack, the grounding jack, the negative high-voltage jack and the cooling water socket are respectively opposite to the low-voltage line plug, the positive high-voltage plug, the grounding plug, the negative high-voltage plug and the cooling water plug.
5. The quick-change device for battery packs as claimed in claim 1, wherein the suspension assembly comprises a suspension bracket, a suspension connector and a suspension base, the suspension bracket is connected with the tray, the suspension base is connected with the suspension bracket, the suspension bracket has deformation capability to resist the distortion of the vehicle frame, the suspension connector is connected with the suspension base, and the suspension connector is used for connecting with the vehicle frame.
6. The quick-change device for battery packs according to claim 1, wherein the suspension base comprises a connecting hole, a first boss, a second boss and a supporting leg, the first boss is disposed on one side of the suspension base away from the suspension bracket, the second boss and the supporting leg are disposed on one side of the suspension base close to the suspension bracket, the connecting hole penetrates through the first boss and the second boss, and the supporting leg is connected with the suspension bracket.
7. The quick-change device for battery packs as claimed in claim 6, wherein the suspension connecting member has a head portion and a connecting portion, the head portion of the suspension connecting member has a limiting surface, the second boss is smoothly and transitionally connected with the supporting leg, the second boss has a limiting mating surface, the connecting portion of the suspension connecting member is connected with the suspension base through the connecting hole, the head portion of the suspension connecting member abuts against the second boss, and the limiting surface is in abutting fit with the limiting mating surface.
8. The quick-change device for battery packs as claimed in claim 1, wherein the tray comprises a first edge beam, an angle plate, a second edge beam, a first middle beam and a second middle beam, the first edge beam is fixedly connected with one end of the angle plate, the other end of the angle plate is fixedly connected with the second edge beam, the first edge beam, the angle plate and the second edge beam form a frame, the first middle beam and the second middle beam are both arranged in the frame, the first middle beam and the second middle beam are both fixedly connected with the frame, the second middle beam is perpendicular to the first middle beam, the connecting area is located on the first edge beam, and the suspension assembly is connected with the first edge beam.
9. The quick-change device for battery packs as claimed in claim 8, further comprising an auxiliary member, wherein the second intermediate beam passes through the first intermediate beam and is fixedly connected with the first intermediate beam through the auxiliary member.
10. An automobile, characterized by comprising a battery pack quick-change device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581443.0A CN114374040B (en) | 2021-12-22 | 2021-12-22 | Battery pack quick-change device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581443.0A CN114374040B (en) | 2021-12-22 | 2021-12-22 | Battery pack quick-change device and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114374040A true CN114374040A (en) | 2022-04-19 |
| CN114374040B CN114374040B (en) | 2024-02-02 |
Family
ID=81140282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111581443.0A Active CN114374040B (en) | 2021-12-22 | 2021-12-22 | Battery pack quick-change device and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114374040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001351A1 (en) * | 2022-06-30 | 2024-01-04 | 奥动新能源汽车科技有限公司 | Battery pack quick-swapping device and electric vehicle comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673361A (en) * | 2012-05-28 | 2012-09-19 | 奇瑞汽车股份有限公司 | Mechanism and method for quickly exchanging power battery of electric automobile |
| CN105336894A (en) * | 2015-10-27 | 2016-02-17 | 北京新能源汽车股份有限公司 | Power battery assembly and power battery |
| WO2020043118A1 (en) * | 2018-08-29 | 2020-03-05 | 奥动新能源汽车科技有限公司 | Battery pack and support unit thereof, liquid-cooled insertion assembly and device thereof, and electric vehicle |
| CN212447089U (en) * | 2020-06-12 | 2021-02-02 | 北京新能源汽车股份有限公司 | Quick change support and electric automobile |
| CN212967913U (en) * | 2020-08-30 | 2021-04-13 | 湖南铂诚数字科技有限公司 | Structure for quickly replacing power battery pack by electric machine and electric machine |
-
2021
- 2021-12-22 CN CN202111581443.0A patent/CN114374040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673361A (en) * | 2012-05-28 | 2012-09-19 | 奇瑞汽车股份有限公司 | Mechanism and method for quickly exchanging power battery of electric automobile |
| CN105336894A (en) * | 2015-10-27 | 2016-02-17 | 北京新能源汽车股份有限公司 | Power battery assembly and power battery |
| WO2020043118A1 (en) * | 2018-08-29 | 2020-03-05 | 奥动新能源汽车科技有限公司 | Battery pack and support unit thereof, liquid-cooled insertion assembly and device thereof, and electric vehicle |
| CN212447089U (en) * | 2020-06-12 | 2021-02-02 | 北京新能源汽车股份有限公司 | Quick change support and electric automobile |
| CN212967913U (en) * | 2020-08-30 | 2021-04-13 | 湖南铂诚数字科技有限公司 | Structure for quickly replacing power battery pack by electric machine and electric machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001351A1 (en) * | 2022-06-30 | 2024-01-04 | 奥动新能源汽车科技有限公司 | Battery pack quick-swapping device and electric vehicle comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114374040B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10493837B1 (en) | Chassis mounted assemblies for electric or hybrid vehicles | |
| US11376970B2 (en) | Drive system of an electric vehicle | |
| US11878578B2 (en) | Cradle assembly for an electric axle assembly | |
| US11548361B2 (en) | Support structures for vehicle frame mounted battery packs | |
| US10752072B2 (en) | Electrified vehicle with vibration isolator within frame and corresponding method | |
| CN114374040A (en) | Battery package quick change device and car | |
| CN210942021U (en) | Quick-change rubber crawler wheel structure | |
| CN218966657U (en) | Electric heavy-duty truck battery box assembly, electric heavy-duty truck and electric heavy-duty truck power conversion system | |
| WO2023078206A1 (en) | Chassis of vehicle and vehicle | |
| US11840135B2 (en) | Battery pack support assembly for electric vehicle | |
| CN114161921B (en) | Battery pack suspension device and automobile | |
| CN220374265U (en) | Hydrogen fuel cell vehicle power assembly and hydrogen fuel cell vehicle | |
| CN214189822U (en) | Integrated vehicle body structure and automobile | |
| CN219601427U (en) | Upper vehicle body and vehicle | |
| CN217514977U (en) | GCU vibration isolation support | |
| CN217260304U (en) | Coupling mechanism and EV bracket automobile body mounting structure | |
| CN217074520U (en) | Overall arrangement structure of pure electric light truck | |
| CN216761915U (en) | A vehicle that is used for automobile body assembly of vehicle and has it | |
| CN220615457U (en) | Battery pack locking mechanism and electric vehicle | |
| CN219406409U (en) | Battery switching frame | |
| US11981192B2 (en) | Electric driveline and electric vehicle using the electric driveline | |
| CN215474419U (en) | Electric vehicle suspension with buffer block bushing | |
| CN214241109U (en) | Bicycle frame | |
| WO2023078160A1 (en) | Battery compartment, chassis and vehicle | |
| US20220134855A1 (en) | Electric driveline and electric vehicle using the electric driveline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |