CN114670613B - Electric automobile battery quick change mechanism and electric automobile - Google Patents
Electric automobile battery quick change mechanism and electric automobile Download PDFInfo
- Publication number
- CN114670613B CN114670613B CN202110849243.2A CN202110849243A CN114670613B CN 114670613 B CN114670613 B CN 114670613B CN 202110849243 A CN202110849243 A CN 202110849243A CN 114670613 B CN114670613 B CN 114670613B
- Authority
- CN
- China
- Prior art keywords
- mounting
- battery
- hole
- lock
- limiting
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 230000008859 change Effects 0.000 title claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an electric automobile battery quick-change mechanism and an electric automobile. The battery quick change mechanism includes: a vehicle body system, a battery system, and a lock system; the vehicle body system comprises a battery mounting rack, wherein the battery mounting rack is fixedly mounted at the bottom of a vehicle body; the battery system comprises a battery shell, wherein a mounting structure is arranged on the battery shell, and the battery shell is connected with the battery mounting frame through the mounting structure; the lock system includes: a lock mounting plate nested in the battery mounting frame, and a locking mechanism arranged on the lock mounting plate, and limiting and fixing the connection between the battery system and the vehicle body system through the lock system. The quick-change mechanism for the battery of the electric automobile is low in manufacturing cost and high in universalization and automation degree, and solves the problems that the efficiency of the quick-change mechanism for the battery of the electric automobile in the process of replacing the battery is low and the safety of a battery lock is low.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a battery quick-change mechanism of an electric automobile and the electric automobile.
Background
Although the electric automobile is rapidly developed with the advantages of energy conservation and environmental protection, the energy density of the vehicle-mounted power battery is not ideal, the single charging range of the electric automobile is short, the time of each charging of the battery is too long, the use and popularization of the electric automobile are severely limited, and the rapid power battery replacement technology applied to the electric automobile also becomes a research hot spot in the new energy field.
The existing quick-change device for the electric automobile battery has different structures and is mainly divided into two types of mechanical type and electric mechanical type. The mechanical quick-change device is mainly operated by manpower, and has low efficiency; although the electromechanical quick-change device can provide more convenient battery pack replacement, the reliability of the electric locking mechanism is not high, and the electromechanical quick-change device does not have a self-locking function, so that the requirements of safe and stable operation of a power battery system on a complex road cannot be met.
Disclosure of Invention
The embodiment of the invention provides an electric automobile battery quick-change mechanism and an electric automobile, which are used for solving the problems that in the prior art, the efficiency of the electric automobile battery quick-change structure in the process of battery replacement is low and the safety of a battery lock is low.
In order to solve the technical problems, the invention adopts the following technical scheme:
An electric automobile battery quick change mechanism, includes:
a vehicle body system, a battery system, and a lock system;
the vehicle body system comprises a battery mounting rack, wherein the battery mounting rack is fixedly mounted at the bottom of a vehicle body;
The battery system comprises a battery shell, wherein a mounting structure is arranged on the battery shell, and the battery shell is connected with the battery mounting frame through the mounting structure;
the lock system includes: a lock mounting plate nested in the battery mounting frame, and a locking mechanism arranged on the lock mounting plate, and limiting and fixing the connection between the battery system and the vehicle body system through the lock system.
Further, the battery mounting frame is of a rectangular structure formed by mounting beams;
the mounting beam includes: a first mounting beam and a second mounting beam, the first mounting beam having a length greater than a length of the second mounting beam;
A first locking hole and a first limiting hole are formed in the mounting surface at the lower end of the first mounting beam;
One of the second mounting beams is provided with a battery card mounting plate.
Further, the first mounting beam and the second mounting beam are rectangular pipes, and reinforcing ribs are arranged inside the rectangular pipes.
Further, the first locking hole includes: the first mounting hole, the second mounting hole and the first guide groove;
The diameter of the first mounting hole is smaller than that of the second mounting hole, and the first mounting hole and the second mounting hole are connected through a first guide groove;
wherein, first mounting hole sets up in be close to battery card mounting panel one end.
Further, the plurality of mounting structures are arranged on two sides of the battery shell in the length direction;
the battery shell is arranged in the first mounting hole through the mounting structure and is connected with the battery mounting frame;
The mounting structure includes: and the mounting bracket is fixedly connected with the battery shell, and the mounting connector is arranged at the upper end of the mounting bracket.
Further, the mounting joint includes:
The limiting column is connected with the mounting bracket, and the mounting table is arranged at the upper end of the limiting column;
the limit column is perpendicular to the mounting bracket;
the projection of the limiting column on the mounting bracket is a first projection, the projection of the mounting table on the mounting bracket is a second projection, and the first projection is in the second projection;
the section of the mounting joint along the axis direction of the limiting column is T-shaped.
Further, a second locking hole and a second limiting hole are formed in the lock mounting plate;
The second locking hole comprises a third mounting hole, a fourth mounting hole and a second guide groove, the third mounting hole and the fourth mounting hole are connected through the second guide groove, and the diameter of the third mounting hole is smaller than that of the fourth mounting hole;
the third mounting hole is coaxial with the first mounting hole, and the diameter of the third mounting hole is larger than that of the first mounting hole;
the fourth mounting hole is coaxial with the second mounting hole, and the diameter of the fourth mounting hole is larger than that of the second mounting hole;
The second limiting hole is coaxial with the first limiting hole, and the lock mounting plate is connected with the first mounting beam through the fastener penetrating through the first limiting hole and the second limiting hole.
Further, a mechanical pull rod and a first position sensor are also arranged on the lock mounting plate.
Further, the locking mechanism includes:
the electric appliance box, the connecting rod and the lock catch are connected with the electric appliance box through the connecting rod;
The lock catch comprises: the locking platform is vertically connected with the limiting structure;
The locking mechanism comprises a locking state and an unlocking state.
Further, the limiting structure comprises a limiting surface, and the lower end of the limiting structure is attached to the lock mounting plate;
when the locking mechanism is in a locking state, the side face of the mounting table is abutted against the limiting surface, and the lower end face of the locking table is attached to the top face of the mounting table.
Further, a second position sensor is further arranged on the lock catch.
The embodiment of the invention also provides an electric automobile, which comprises: the vehicle body and the battery arranged on the battery shell further comprise the electric vehicle battery quick-change mechanism.
The beneficial effects of the invention are as follows:
According to the quick-change mechanism for the electric automobile battery, disclosed by the embodiment of the invention, the battery mounting frame of the automobile body system is used for providing a mounting position for the battery system, the battery is connected with the automobile body system through the battery shell of the battery system, and the connection between the battery system and the automobile body system is reinforced through the lock system. The quick-change mechanism for the battery of the electric automobile solves the problems that the efficiency of the quick-change mechanism for the battery of the electric automobile in the process of replacing the battery is low and the safety of a battery lock is low.
Drawings
Fig. 1 shows a schematic connection diagram of an electric vehicle battery quick-change structure and a vehicle body according to an embodiment of the invention;
FIG. 2 is a schematic view showing the connection of a battery mount to a vehicle body according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of a battery quick-change structure and a vehicle body of an electric vehicle according to an embodiment of the invention;
FIG. 4 is a schematic view showing the structure of a battery mount according to an embodiment of the present invention;
fig. 5 is a schematic view showing the structure of a battery case according to an embodiment of the present invention;
FIG. 6 shows an enlarged partial schematic view of a battery package according to an embodiment of the present invention;
FIG. 7 is a schematic view showing the connection of a battery housing to a battery mount according to an embodiment of the present invention;
FIG. 8 shows a schematic cross-sectional view of section A in FIG. 7;
FIG. 9 shows a schematic structural view of a lock system according to an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the lock system and battery mount of an embodiment of the present invention;
FIG. 11 shows a schematic view of section B in FIG. 10;
FIG. 12 is a schematic view showing the structure of a battery mount according to an embodiment of the present invention;
FIG. 13 is a schematic view showing the structure of a first locking hole and a first limiting hole according to an embodiment of the present invention;
FIG. 14 is a schematic view showing the construction of a first mounting beam according to an embodiment of the present invention;
FIG. 15 shows an enlarged partial schematic view of the first locking aperture of FIG. 13;
FIG. 16 shows one of the structural schematic diagrams of the mounting joint of the embodiment of the present invention;
FIG. 17 is a second schematic view of a mounting adapter according to an embodiment of the present invention;
FIG. 18 shows one of the structural schematic diagrams of the lock system of the embodiment of the present invention;
FIG. 19 is a second schematic diagram of the lock system according to the embodiment of the present invention;
FIG. 20 shows a third schematic diagram of the lock system of the embodiment of the present invention;
FIG. 21 shows a cross-sectional view of section C of FIG. 20;
FIG. 22 shows a fourth schematic structural view of a lock system according to an embodiment of the present invention;
FIG. 23 is a schematic view showing a structure of a latch according to an embodiment of the present invention;
FIG. 24 is a second schematic view of a latch according to an embodiment of the invention;
FIG. 25 shows a fifth schematic structural view of a lock system according to an embodiment of the present invention;
Fig. 26 is a schematic diagram showing an installation process of the battery quick-change structure of the electric vehicle according to the embodiment of the invention;
FIG. 27 is a second schematic view of an installation process of a battery quick-change structure of an electric vehicle according to an embodiment of the invention;
fig. 28 shows a third schematic diagram of an installation process of the battery quick-change structure of the electric vehicle according to the embodiment of the invention;
fig. 29 shows a fourth schematic view of an installation process of the battery quick-change structure of the electric vehicle according to the embodiment of the invention;
fig. 30 shows a fifth exemplary embodiment of an installation process of the battery quick-change structure of the electric vehicle according to the present invention. Description of the drawings:
1: a battery mounting rack; 11: a first mounting beam; 12: a second mounting beam; 13: reinforcing ribs; 14: a first locking hole; 141: a first mounting hole; 142: a second mounting hole; 143: a first guide groove; 15: a first limiting hole; 16: a battery package mounting plate; 2: a battery case; 21: a mounting structure; 211: a mounting bracket; 212: a limit column; 213: a mounting table; a battery plug-in: 22;3: a lock system; 31: a lock mounting plate; 311: a second locking hole; 312: a second limiting hole; 313: a third mounting hole; 3:4: a fourth mounting hole; 315: a second guide groove; 32: a mechanical pull rod; 33: a first position sensor; 4: a locking mechanism; 41: an electrical box; 42: a connecting rod; 43: locking; 431: a locking stage; 432: a limit structure; 433: a limiting surface; 434: locking the guide surface; 435: a second position sensor.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments thereof in order to make the objects, technical solutions and advantages of the present invention more apparent.
The invention provides an electric automobile battery quick-change structure and an electric automobile, aiming at the problems that in the prior art, the efficiency of a battery replacement process of the electric automobile battery quick-change structure is low and the safety of a battery lock is low.
As shown in fig. 1 to 11, an electric vehicle battery quick-change mechanism includes:
a vehicle body system, a battery system, and a lock system;
the vehicle body system comprises a battery mounting frame 1, wherein the battery mounting frame 1 is fixedly arranged at the bottom of a vehicle body;
The battery system comprises a battery shell 2, wherein a mounting structure 21 is arranged on the battery shell 2, and the battery shell 2 is connected with the battery mounting frame 1 through the mounting structure 21;
The lock system 3 comprises: a lock mounting plate 31 nested in the battery mounting frame 1, and a locking mechanism 4 provided on the lock mounting plate 31, and the connection between the battery system and the vehicle body system is limited and fixed through the lock system 3.
In one embodiment of the present invention, the battery system includes a battery housing and a battery cell, the battery housing further includes a battery card, and the connection of the battery card on the battery housing 2 to the battery card mounting plate 16 on the second mounting beam 12 is shown in fig. 7 and 8.
In one embodiment of the invention, the battery shell is provided with 6T-shaped mounting structures which are uniformly distributed on two sides of the length direction of the battery shell, and the battery shell is made of aluminum alloy.
According to the quick-change mechanism for the electric automobile battery, disclosed by the embodiment of the invention, the battery mounting frame of the automobile body system is used for providing a mounting position for the battery system, the battery is connected with the automobile body system through the battery shell of the battery system, and the connection between the battery system and the automobile body system is reinforced through the lock system. The quick-change mechanism for the battery of the electric automobile solves the problems that the efficiency of the quick-change mechanism for the battery of the electric automobile in the process of replacing the battery is low and the safety of a battery lock is low.
Alternatively, as shown in fig. 12 to 14, the battery mount 1 is a rectangular structure composed of mounting beams;
the mounting beam includes: a first mounting beam 11 and a second mounting beam 12, the first mounting beam 11 having a length greater than the second mounting beam 12;
the first mounting beam 11 and the second mounting beam 12 are rectangular pipes, and reinforcing ribs 13 are arranged in the rectangular pipes;
a first locking hole 14 and a first limiting hole 15 are arranged on a mounting surface 111 at the lower end of the first mounting beam 11;
one of the second mounting beams 12 is provided with a battery card mounting plate 16.
In an embodiment of the invention, the battery mounting frame is of a rectangular structure, the mounting beam is a hollow rectangular pipe, the center of the rectangular pipe is an irregular field-shaped reinforcing rib, one of the square is larger and is used for nesting the lock system, and the mounting beam is of an extrusion-molded general design. The connection between the installation beams consolidates the connection between the installation beams through connecting the reinforcing plate, and the connection reinforcing plate is stamping forming, and the junction of installation beam can set up the chamfer to dodge other systems, battery plug-in components mounting panel is aluminium die casting shaping.
The lower end of the mounting connection is provided with a mounting surface, the thickness of the mounting connection is larger than that of other side surfaces of the mounting beam, and the strength of the mounting surface is ensured. The mounting surface of the lower end of the first mounting beam is understood to be one end surface of the battery mounting bracket, which is far away from the vehicle body after being mounted to the vehicle body. The specific dimensions of the battery mount may be dependent on the size of the battery system.
In one embodiment of the invention, a plurality of limiting holes can be provided, and the mounting beam is fixedly connected with the lock system through rivets; the battery plug-in mounting plate is formed by die casting, and the material is aluminum.
According to the scheme of the embodiment of the invention, the mounting beam of the battery mounting rack is of a generalized design. The battery system is firmly installed on the battery installation frame through the locking hole on the installation surface at the lower end of the installation beam, and the battery installation frame strength is ensured and the battery system can be connected through the design of the battery plug-in mounting plate. The battery mounting frame provided by the embodiment of the invention saves the cost of the mounting beam die, improves the strength of the battery mounting beam, and has the advantages of high safety, high universality and high mounting precision.
Alternatively, as shown in fig. 15, the first locking hole 14 includes: a first mounting hole 141, a second mounting hole 142, and a first guide groove 143;
The diameter of the first mounting hole 141 is smaller than that of the second mounting hole 142, and the first mounting hole 141 and the second mounting hole 142 are connected through a first guide groove 143;
wherein, as shown in fig. 12, the first mounting hole 414 is disposed near one end of the battery card mounting plate 16.
The first locking aperture in one embodiment of the invention provides guidance and positioning for battery installation. Wherein the size of the first mounting hole is determined according to the size of the mounting table; the size of the second mounting hole is determined according to the diameter of the limit post. The first guide groove provides a guiding function for the installation of the installation joint.
Optionally, in an embodiment of the present invention, the radius of the first mounting hole is 17.5, the radius of the mounting table surface is 15, so that the mounting table can smoothly pass through the via hole, and meanwhile, the guiding inclined plane 151 ° is designed to provide guiding for the battery mounting structure, the radius of the second mounting hole is 5, when the battery mounting structure is pushed to the forefront end, the second mounting hole can be tightly matched with the battery mounting limit post to play a limit role, and the assembly smoothness can be realized by adjusting the tolerance of the hole and the limit post.
The first locking hole provides the mounting hole and the guide hole for the mounting structure of the battery shell, so that the battery shell is smoothly mounted on the battery mounting frame, and the mounting relationship is firm and stable.
Alternatively, as shown in fig. 5, a plurality of the mounting structures 21 are provided on both sides in the longitudinal direction of the battery case 2;
the battery case 2 is mounted to the first mounting hole 141 through the mounting structure 21 and connected to the battery mounting frame 1;
As shown in fig. 16, the mounting structure 21 includes: a mounting bracket 211 fixedly connected with the battery case 2, and a mounting joint provided at the upper end of the mounting bracket 211.
In one embodiment of the invention, the mounting structure is welded on the battery shell through MIG welding, the longitudinal section of the mounting bracket on the mounting structure is T-shaped,
The mounting structure of the embodiment of the invention ensures the strength of the root part of the battery mounting structure, and simultaneously, the structure of the mounting bracket also avoids redundant design and reduces the weight of a battery system; and the gravity factor is utilized, so that the installation of the battery system is more reliable and firm, and the problem of loose connection between the battery system and the battery installation frame is avoided.
Alternatively, as shown in fig. 17, the mounting joint includes:
A limit column 212 connected with the mounting bracket 211 and a mounting table 213 arranged at the upper end of the limit column 212;
the limiting column 212 is perpendicular to the mounting bracket 211;
the projection of the limiting post 212 on the mounting bracket 211 is a first projection, the projection of the mounting table 213 on the mounting bracket 211 is a second projection, and the first projection is in the second projection;
Wherein, the section of the installation joint along the axial direction of the limit post 212 is T-shaped.
In an embodiment of the present invention, the shape of the mounting stand 213 may be circular or polygonal.
The mounting joint of the embodiment of the invention ensures the strength, avoids redundant design through T-shaped design, and reduces the weight of a battery system; and the gravity factor is utilized, so that the installation of the battery system is more reliable and firm, and the problem of loose connection between the battery system and the battery installation frame is avoided.
Alternatively, as shown in fig. 18, the lock mounting plate 31 is provided with a second locking hole 311 and a second limiting hole 312;
the second locking hole 311 includes a third mounting hole 313, a fourth mounting hole 314, and a second guide groove 315, the third mounting hole 313 and the fourth mounting hole 314 are connected through the second guide groove 315, and a diameter of the third mounting hole 313 is smaller than a diameter of the fourth mounting hole 314;
The third mounting hole 313 is coaxial with the first mounting hole 141, and the diameter of the third mounting hole 313 is larger than that of the first mounting hole 141;
the fourth mounting hole 314 is coaxial with the second mounting hole 142, and the diameter of the fourth mounting hole 314 is larger than the diameter of the second mounting hole 142;
as shown in fig. 11, the second limiting hole 312 is coaxial with the first limiting hole 15, and the lock mounting plate 31 is connected to the first mounting beam 11 by passing a fastener through the first limiting hole 15 and the second limiting hole 312.
Optionally, the fastener passes through the first limiting hole on the first mounting beam and the second limiting hole on the lock mounting plate, so that the mounting plate is firmly mounted inside the first mounting beam, and the first locking hole on the first mounting amount corresponds to the second locking hole on the lock mounting plate.
In an embodiment of the invention, the lock mounting plate is L-shaped, one side surface is used for mounting and fixing the mechanical pull rod and the first position sensor, and the other side surface is used for setting the electrical box, the locking hole and the limiting hole.
According to the scheme provided by the embodiment of the invention, the locking mechanism is arranged in the first mounting beam after being mounted on the lock mounting plate, and the relative positions of the first mounting beam and the lock mounting plate are adjusted through the first limiting holes and the second limiting holes, so that the mounting joint can penetrate through the first mounting beam and the lock mounting plate, and the lock system and the battery mounting frame can be firmly mounted together. The safety and stability of the battery quick-change structure are ensured.
Optionally, a mechanical tie rod 32 and a first position sensor 33 are also provided on the lock mounting plate 31.
Optionally, the mechanical pull rod is installed in the lock mounting plate through the pull rod installing support, the mechanical pull rod is formed by machining, the locking mechanism is an electric device, driving can be achieved through motor driving or spring mechanical driving, and the pop-up lock catches lock the battery.
The lock system provided by the embodiment of the invention avoids that the lock system cannot be opened or closed when the electric locking mechanism fails by designing the mechanical pull rod. The scheme of the embodiment of the invention improves the safety and reliability of the lock system.
Alternatively, as shown in fig. 18 to 22, the locking mechanism 4 includes:
The electric box 41, the connecting rod 42 and the lock catch 43, wherein the lock catch 43 is connected with the electric box 41 through the connecting rod 42;
The lock catch 43 includes: the locking device comprises a locking table 431 and a limiting structure 432, wherein the locking table 431 is vertically connected with the limiting structure 432;
wherein the locking mechanism 4 comprises a locked state and an unlocked state.
According to the locking mechanism disclosed by the embodiment of the invention, the connecting rod is controlled to move through the electric box to drive the lock catch, after the battery shell is mounted on the first mounting beam of the battery mounting rack, the locking mechanism in the first mounting beam is controlled electrically to control the connecting rod to drive the lock catch, the lock catch is attached to the mounting joint, and the locking mechanism limits and fixes the battery shell.
According to the locking mechanism disclosed by the embodiment of the invention, the lock catch is driven by the electric control connecting rod to limit the mounting joint, the structure is simple and reliable, the disassembly is convenient, and the replacement rate of the battery is improved.
Alternatively, as shown in fig. 23 to 25, the limiting structure 432 includes a limiting surface 433, and the lower end of the limiting structure 432 is attached to the lock mounting plate 31;
When the locking mechanism 4 is in the locked state, the side surface of the mounting table 213 is stopped against the limiting surface 433, and the lower end surface of the locking table 431 is attached to the top surface of the mounting table 213.
Optionally, the latch 43 is further provided with a latch guide surface 434.
As shown in fig. 24, the locking guide surface may be a chamfer having a length of 2 degrees and an angle of 60 degrees.
Optionally, the limiting surface is an arc surface and is attached to the side surface of the mounting table.
After the battery shell is installed on the battery mounting frame, the lower end face of the locking table is attached to the top face of the mounting table, the battery shell is limited and fixed in the vertical direction by the aid of the lock catch, the battery shell is downwards limited and fixed by the aid of gravity of the battery, and meanwhile, the battery shell plays a guiding role in locking through the aid of the setting of the locking guide surface, so that the lock catch runs more smoothly in the locking process of the mounting connector, and clamping stagnation is avoided.
The locking mechanism provided by the embodiment of the invention is used for limiting and fixing the battery shell, so that the battery is convenient and quick to detach and install, the degree of automation is high, and the safety and reliability are high.
Optionally, a second position sensor 435 is also disposed on the latch 43.
In one embodiment of the present invention, after the battery housing is mounted on the battery mounting frame, the first position sensor and the second position sensor mutually transmit and receive signals in a set to determine whether the locking mechanism fixes the mounting joint. If the first position sensor and the second position sensor can receive signals sent by each other, the locking mechanism accurately fixes the mounting structure, and the battery shell is firmly mounted on the battery mounting frame.
According to the locking mechanism disclosed by the embodiment of the invention, the lock catch is driven by the electric control connecting rod to limit the mounting joint, and the position of the mounting joint is detected by the position sensor, so that the accuracy of limiting and fixing the locking mechanism is ensured.
The embodiment of the invention also provides an electric automobile, which comprises: the vehicle body and the battery arranged on the battery shell further comprise the electric vehicle battery quick-change mechanism.
The method for installing the quick-change mechanism of the electric automobile battery comprises the following steps:
First, as shown in fig. 26, the battery case is positioned such that the mount table is at the lower end of the battery mount frame and coaxial with the first mount hole;
Next, as shown in fig. 27, the battery case is controlled to move forward along the Z axis of the coordinate axis until the limit post passes through the first mounting hole and the coordinate value of the lower end of the mounting table in the Z direction is greater than the coordinate value of the upper end of the third mounting hole in the Z direction;
thirdly, as shown in fig. 28, the battery shell is controlled to move forward along the X axis of the coordinate axis until the limit column is attached to the inner wall of the second mounting hole;
Again, as shown in fig. 29, the battery housing is controlled to move in the negative direction along the axis Z of the coordinate axis until the lower end surface of the mounting table is attached to the lock mounting plate;
Finally, as shown in fig. 30, the control lock catch moves along the positive direction of the coordinate axis X until the side surface of the mounting table is stopped against the limiting surface, and the lower end surface of the locking table is attached to the top surface of the mounting table.
The battery quick-change mechanism comprises a vehicle body system, a battery system and a lock system. The battery mounting frame of the vehicle body system bears the weight of the battery through the extrusion-molded mounting beam, so that the mounting strength of the battery is improved, the mounting beam is of a generalized design, and the manufacturing cost is saved; the accuracy and operability of the installation of the battery shell are ensured through the T-shaped installation joint; through the mode that electrical control and mechanical control combine, improved fail safe nature when guaranteeing locking mechanism and being the fixed accuracy now to the installation joint.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and changes can be made without departing from the principles of the present invention, and such modifications and changes are intended to be within the scope of the present invention.
Claims (6)
1. An electric automobile battery quick change mechanism, characterized by comprising:
a vehicle body system, a battery system, and a lock system;
the vehicle body system comprises a battery mounting rack, wherein the battery mounting rack is fixedly mounted at the bottom of a vehicle body;
The battery system comprises a battery shell, wherein a mounting structure is arranged on the battery shell, and the battery shell is connected with the battery mounting frame through the mounting structure;
The lock system includes: the locking device comprises a lock mounting plate and a locking mechanism, wherein the lock mounting plate is nested in the battery mounting frame, and the locking mechanism is arranged on the lock mounting plate and is used for limiting and fixing the connection between the battery system and the vehicle body system;
the battery mounting frame is of a rectangular structure formed by mounting beams;
the mounting beam includes: a first mounting beam and a second mounting beam, the first mounting beam having a length greater than a length of the second mounting beam;
A first locking hole and a first limiting hole are formed in the mounting surface at the lower end of the first mounting beam;
one of the second mounting beams is provided with a battery card mounting plate;
The first locking hole includes: the first mounting hole, the second mounting hole and the first guide groove;
the diameter of the first mounting hole is smaller than that of the second mounting hole, and the first mounting hole and the second mounting hole are connected through a first guide groove; the first mounting hole is arranged at one end close to the battery plug-in mounting plate;
The plurality of mounting structures are arranged on two sides of the battery shell in the length direction;
the battery shell is arranged in the first mounting hole through the mounting structure and is connected with the battery mounting frame;
The mounting structure includes: the mounting bracket is fixedly connected with the battery shell, and the mounting connector is arranged at the upper end of the mounting bracket;
The mounting joint includes:
The limiting column is connected with the mounting bracket, and the mounting table is arranged at the upper end of the limiting column;
the limit column is perpendicular to the mounting bracket;
The projection of the limiting column on the mounting bracket is a first projection, the projection of the mounting table on the mounting bracket is a second projection, and the first projection is in the second projection; the section of the mounting joint along the axis direction of the limit column is T-shaped;
the locking mechanism includes:
the electric appliance box, the connecting rod and the lock catch are connected with the electric appliance box through the connecting rod;
The lock catch comprises: the locking platform is vertically connected with the limiting structure; the locking mechanism comprises a locking state and an unlocking state;
the limiting structure comprises a limiting surface, and the lower end of the limiting structure is attached to the lock mounting plate;
when the locking mechanism is in a locking state, the side face of the mounting table is abutted against the limiting surface, and the lower end face of the locking table is attached to the top face of the mounting table.
2. The electric vehicle battery quick change mechanism of claim 1, wherein the first and second mounting beams are rectangular tubing, and wherein a stiffener is provided inside the rectangular tubing.
3. The quick change mechanism of an electric automobile battery according to claim 2, wherein the lock mounting plate is provided with a second locking hole and a second limiting hole;
The second locking hole comprises a third mounting hole, a fourth mounting hole and a second guide groove, the third mounting hole and the fourth mounting hole are connected through the second guide groove, and the diameter of the third mounting hole is smaller than that of the fourth mounting hole;
the third mounting hole is coaxial with the first mounting hole, and the diameter of the third mounting hole is larger than that of the first mounting hole;
the fourth mounting hole is coaxial with the second mounting hole, and the diameter of the fourth mounting hole is larger than that of the second mounting hole;
The second limiting hole is coaxial with the first limiting hole, and the lock mounting plate is connected with the first mounting beam through the fastener penetrating through the first limiting hole and the second limiting hole.
4. The quick change mechanism of an electric vehicle battery of claim 2, wherein the lock mounting plate is further provided with a mechanical tie and a first position sensor.
5. The quick change mechanism of an electric vehicle battery according to claim 2, wherein the lock catch is further provided with a second position sensor.
6. An electric automobile, characterized by comprising: the vehicle body and the battery mounted to the battery case, further comprising the electric vehicle battery quick-change mechanism according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849243.2A CN114670613B (en) | 2021-07-27 | 2021-07-27 | Electric automobile battery quick change mechanism and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849243.2A CN114670613B (en) | 2021-07-27 | 2021-07-27 | Electric automobile battery quick change mechanism and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114670613A CN114670613A (en) | 2022-06-28 |
| CN114670613B true CN114670613B (en) | 2024-09-06 |
Family
ID=82069651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110849243.2A Active CN114670613B (en) | 2021-07-27 | 2021-07-27 | Electric automobile battery quick change mechanism and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114670613B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458870B (en) * | 2022-09-27 | 2024-08-27 | 深圳市科陆电子科技股份有限公司 | Battery connecting piece and battery module having the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215904299U (en) * | 2021-07-27 | 2022-02-25 | 北京新能源汽车股份有限公司 | Electric automobile battery quick change mechanism and electric automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058109B (en) * | 2016-08-10 | 2019-03-26 | 上海蔚来汽车有限公司 | Battery locking system, the new energy vehicles and the method for assembling and disassembling power battery |
| CN106627083B (en) * | 2017-01-13 | 2023-09-05 | 上海蔚来汽车有限公司 | Quick locking and unlocking kit |
| CN111703331B (en) * | 2020-06-12 | 2022-04-26 | 北京新能源汽车股份有限公司 | Quick-change power battery installation system, locking method, unlocking method and electric automobile |
| CN212554838U (en) * | 2020-06-23 | 2021-02-19 | 四川科思精密模具有限公司 | Mould benevolence quick assembly disassembly structure and mould |
| CN112829570A (en) * | 2021-03-01 | 2021-05-25 | 远景动力技术(江苏)有限公司 | A quick-change locking mechanism, electric vehicle chassis and electric vehicle |
-
2021
- 2021-07-27 CN CN202110849243.2A patent/CN114670613B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215904299U (en) * | 2021-07-27 | 2022-02-25 | 北京新能源汽车股份有限公司 | Electric automobile battery quick change mechanism and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114670613A (en) | 2022-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215904299U (en) | Electric automobile battery quick change mechanism and electric automobile | |
| CN114670613B (en) | Electric automobile battery quick change mechanism and electric automobile | |
| CN115431734A (en) | Body mounts and electric vehicles for mounting battery packs | |
| CN210555162U (en) | Aluminum alloy automobile instrument board beam assembly with cross beam main pipe with cross section shaped like Chinese character' ri | |
| CN211139083U (en) | Electricelectric moves heavy truck power battery frame that trades electricity | |
| CN109014748B (en) | Left/right front attaching plate positioning welding tool | |
| CN110886386B (en) | Building square column joint connecting structure and connecting method thereof | |
| CN219852904U (en) | Unmanned aerial vehicle engine body support welding positioning device | |
| WO2018188229A1 (en) | Adjustable installation component of energy storage unit | |
| JP7587590B2 (en) | Mounting device, battery, electrical device, battery manufacturing method and manufacturing device | |
| CN215563700U (en) | Structure girder steel and curtain fossil fragments quick connect structure | |
| CN216929956U (en) | Photovoltaic frame and photovoltaic installation device | |
| CN211844066U (en) | Locking device | |
| CN205097916U (en) | Battery installing support, hold battery holder assembly and car | |
| CN211000898U (en) | Inclined block jacking type unlocking mechanism | |
| CN209854937U (en) | Modular assembly type building structure capable of being spliced | |
| CN218253603U (en) | Right rear longitudinal beam assembly forming equipment | |
| CN219029285U (en) | Detection equipment installation assembly | |
| CN218876871U (en) | A battery pack installation assembly and a vehicle having the same | |
| CN219947913U (en) | Fuel cell mounting bracket for vehicle and vehicle | |
| CN221123762U (en) | Vibration testing tool for hydrogen storage system | |
| CN112874659A (en) | Vehicle component mounting unit | |
| CN216709630U (en) | Multipurpose transportation unmanned aerial vehicle device | |
| CN110732984A (en) | guide frame plate distance fixing tool and guide frame mechanism thereof | |
| CN216810312U (en) | Thin-wall steel beam connecting structure |
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 |