CN110931910A - Battery pack support assembly, battery pack assembly and electric automobile - Google Patents
Battery pack support assembly, battery pack assembly and electric automobile Download PDFInfo
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- CN110931910A CN110931910A CN201810996583.6A CN201810996583A CN110931910A CN 110931910 A CN110931910 A CN 110931910A CN 201810996583 A CN201810996583 A CN 201810996583A CN 110931910 A CN110931910 A CN 110931910A
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- 238000001816 cooling Methods 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000003780 insertion Methods 0.000 claims description 27
- 230000037431 insertion Effects 0.000 claims description 27
- 230000005611 electricity Effects 0.000 description 14
- 230000017525 heat dissipation Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000498 cooling water Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery pack support assembly, a battery pack component and an electric automobile, wherein the battery pack support assembly comprises: the mounting rack is used for being fixed on a chassis of an automobile and used for mounting a battery pack; the liquid cooling connector, the liquid cooling connector install in the mounting bracket, the one end of liquid cooling connector be used for with the cooling system of car is linked together, the other end of liquid cooling connector is used for inserting the cooling tube of battery package and with the cooling tube of battery package is linked together. The battery pack assembly comprises a battery pack and the battery pack bracket assembly, wherein the battery pack is detachably connected to the battery pack bracket assembly. The electric automobile comprises the battery pack assembly. The invention can balance the temperature of the battery pack, improve the sufficient capacity of the battery pack, and directly improve the performance indexes of the battery pack in the electric automobile, such as limited use environment, vehicle power performance, service life of the battery pack and the like.
Description
Technical Field
The invention relates to a battery pack support assembly, a battery pack assembly and an electric automobile.
Background
The electric vehicle energy acquisition mainly comprises two modes of charging and battery replacement. Due to the battery replacement mode, the electric energy can be rapidly supplied, the waiting time of customers is reduced, and the utilization rate of the battery replacement station is improved. In addition, the battery can be charged in a centralized manner at night, and peak shaving energy storage of the power load is realized. Meanwhile, the comprehensive utilization efficiency of the power equipment is improved, the service life of the battery is prolonged, and the method has high popularization value and economic significance.
Because the battery pack needs to be replaced frequently, the battery pack used by the battery replacement type electric vehicle usually adopts a natural cooling mode at present, namely, the heating of the battery is transferred to the shell of the battery pack by the battery shell, so that the heat exchange and the heat dissipation with the outside are realized; the battery pack needs to be heated (heated) by external equipment to be transmitted to the battery in a low-temperature environment, so that the normal working temperature of the battery pack is ensured. However, as the specific energy of the battery is gradually increased, the electric quantity of the battery is increased, so that the heat generation of the battery is increased, the charge and discharge capacity of the battery is reduced, and the technical indexes of the battery, such as the performance, the service life and the like, are directly influenced.
Disclosure of Invention
The invention aims to overcome the defects that the heat generation of a battery pack is increased, the charge and discharge capacity of the battery is reduced, the performance and the service life of the battery are directly influenced and the like in the prior art, and provides a battery pack support assembly, a battery pack assembly and an electric automobile.
The invention solves the technical problems through the following technical scheme:
a battery pack holder assembly, comprising:
the mounting rack is used for being fixed on a chassis of an automobile and used for mounting a battery pack;
the liquid cooling connector, the liquid cooling connector install in the mounting bracket, the one end of liquid cooling connector be used for with the cooling system of car is linked together, the other end of liquid cooling connector is used for inserting the cooling tube of battery package and with the cooling tube of battery package is linked together.
In this scheme, adopt above-mentioned structural style, bring the cooling water in the cooling system into the radiator pipe through the liquid cooling connector and reach thermal balance, can the temperature of balanced battery package, improve the abundant ability of battery package, directly improve the life of battery package.
Preferably, the liquid cooling connector includes mounting panel, a plurality of body and a plurality of elastic component of inserting, and is a plurality of the one end of elastic component all connect in the mounting panel, it is a plurality of the other end of elastic component all connect in the mounting panel, it is a plurality of insert the body all connect in the mounting panel and insert to in the mounting panel.
In this scheme, adopt above-mentioned structural style, connect the body through a plurality of connecing and realize the circulative cooling to the battery package, effectively dispel the heat to the battery package, improve the performance and the life of battery package.
In addition, the floating connection of the plurality of plugging bodies is realized through the elastic component, the loose connection of the plugging bodies is effectively avoided, the stability of the liquid cooling connector is greatly enhanced, the leakage phenomenon of the liquid cooling connector is effectively avoided, and the service life of the liquid cooling connector is further prolonged.
Preferably, the insertion direction of the connector body is the same as the elastic direction of the elastic member.
In this scheme, adopt above-mentioned structural style for connect and insert this physical stamina and can follow-up and adjusting position state when grafting removes, satisfied inserting the accurate of inserting the body and inserted, improved the stability of liquid cooling connector.
Preferably, the lateral wall of mounting bracket is equipped with along connect the through hole of inserting the direction of body, in the mounting panel towards mounting bracket one side is equipped with first guide part, first guide part is located in the through hole and in the through hole slides.
In this scheme, adopt above-mentioned structural style, first guide part and through hole can play the guide effect, have guaranteed that the liquid cooling connector removes along the direction of inserting, have improved the grafting precision of liquid cooling connector.
Preferably, the lateral wall of mounting bracket is equipped with a plurality of edges connect the guiding hole of inserting the direction of insertion of body, and is a plurality of elastic component all includes guide bar and spring, and is a plurality of the guide bar is with a plurality of the guiding hole one-to-one, just the one end of guide bar connect in the mounting panel, the other end of guide bar passes the guiding hole and slide in the guiding hole, the spring housing is located the guide bar, just the spring pressure is located the mounting panel with between the mounting bracket.
In this scheme, adopt above-mentioned structural style, guiding hole and guide bar play the guide effect for the mounting bracket removes along the direction of inserting of connecing the body, has effectively avoided a plurality of in-process production skew dislocation phenomenon of connecing the body of connecing and has pegging graft, has improved the stability of liquid cooling connector.
In addition, the guide rod is convenient for the installation of the spring, and the phenomenon of shaking and offsetting of the spring is effectively avoided. Meanwhile, the elastic component has simple structure and convenient installation.
Preferably, a gap is formed between the guide rod and the guide hole.
In this scheme, adopt above-mentioned structural style, make the liquid cooling connector can follow the radial direction of guide bar through the clearance and produce certain displacement, solved positioning error and the depth of parallelism error that the in-process of liquid cooling connector erection joint in the mounting bracket exists, guaranteed to connect the accurate grafting between grafting port and the battery package of inserting the body.
Preferably, the outer peripheral surface of the guide rod is provided with a protruding part which extends outwards along the radial direction of the guide rod, the mounting frame is positioned between the mounting plate and the protruding part, the protruding part is inserted into the guide hole, and the protruding part faces the end surface of the mounting frame and is an inclined surface.
In this scheme, adopt above-mentioned structural style, can make the spring pressure locate between mounting panel and the mounting bracket through the bellying, guaranteed that the spring has certain tensile force.
In addition, the end face of the convex part is an inclined face, so that the end face of the guide rod along the radial direction of the guide rod is provided with a displacement space.
Preferably, each of the plurality of connector bodies is any one of a liquid-cooled socket and a liquid-cooled plug, and the liquid-cooled socket is matched with the liquid-cooled plug.
Preferably, battery package support assembly still includes electric connector, electric connector with the liquid cooling connector all install in same lateral wall of mounting bracket, electric connector is including utmost point post mount pad and utmost point post subassembly, utmost point post mount pad connect in the mounting bracket, utmost point post mount pad is equipped with the mounting hole, utmost point post subassembly is worn to establish the mounting hole, just utmost point post subassembly is located the connection that floats of part in the utmost point post mount pad.
In this scheme, adopt above-mentioned structural style, utmost point post subassembly realizes the electricity and connects, effectively avoids the electricity to connect not hard up to cause the electricity to connect unusually such as inefficacy or burn, has improved the stability of electric connector when the electricity is connected.
Preferably, the utmost point post subassembly is including utmost point post body and electrically conductive elastic component, electrically conductive elastic component set up in the utmost point post mount pad, the one end of utmost point post body is worn to establish the mounting hole, the other end of utmost point post body connect in electrically conductive elastic component.
In this scheme, adopt above-mentioned structural style, make utmost point post body realize floating the connection through electrically conductive elastic component, the electricity is connected more stably, strengthens the reliability and the life of electricity connection greatly. Meanwhile, the structure is simple.
Preferably, the length direction of the mounting hole is the same as the insertion direction of the liquid-cooled connector.
In this scheme, adopt above-mentioned structural style, utmost point post body can only follow the round trip to remove in the mounting hole at the in-process of pegging graft, effectively plays the limited action to utmost point post body, prevents that utmost point post body from producing skew dislocation phenomenon, has improved the stability of the electricity of utmost point post body to be connected.
Preferably, at least one second guiding portion is arranged on the inner sides of the liquid-cooled connector and the electric connector, and the second guiding portion extends and protrudes along the insertion direction of the liquid-cooled connector;
and/or the second guide part is inwards sunken along the inserting direction of the liquid cooling connector.
In this scheme, adopt above-mentioned structural style, the second guide part plays guiding orientation's effect, has improved grafting precision and stability.
Preferably, the battery pack support assembly further comprises a plurality of locking parts arranged at intervals along the insertion direction of the liquid-cooled connector, the locking parts are distributed on two corresponding side walls in the mounting frame and connected with the mounting frame, and the locking parts are detachably connected to the outer wall surface of the battery pack.
In this scheme, adopt above-mentioned structural style, make to realize dismantling the connection between battery package support assembly and the battery package through the locking part, improved the security of battery package support assembly.
Preferably, the locking part includes a lock base, the lock base is connected in the mounting bracket, a locking groove for fixing the lock shaft of the battery pack is formed in the lock base, and the locking groove and the lock shaft of the battery pack are correspondingly arranged.
In this scheme, adopt above-mentioned structural style, make installation and dismantlement convenience, and simple structure through locking groove and round pin axle.
Preferably, the locking groove includes an inlet and a locking cavity, the inlet is communicated with the locking cavity, the extending direction of the inlet is different from the extending direction of the locking cavity, and the extending direction of the locking cavity is the same as the inserting direction of the liquid-cooled connector.
In this scheme, adopt above-mentioned structural style, the locking groove plays limited action to the lock axle, has effectively avoided producing between the cooling tube of battery package and the liquid cooling connector and has broken away from the phenomenon, has prevented that the battery package subassembly from taking place the seepage phenomenon, has improved the stability of battery package subassembly greatly.
A battery pack assembly comprising a battery pack and a battery pack holder assembly as described above, said battery pack being removably attached to said battery pack holder assembly.
An electric vehicle is characterized by comprising the battery pack assembly.
In this scheme, adopt above-mentioned structural style, make electric automobile's cooling system and the cooling tube in the battery package be linked together through the liquid cooling connector, bring the cooling water in the cooling system in the cooling tube in order to reach thermal balance, can the temperature of balanced battery package, improve the abundant ability of battery package, performance index such as the service environment of battery package is limited, vehicle dynamic property, battery package life-span in the direct improvement electric automobile.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the battery pack support assembly, the battery pack assembly and the electric automobile, cooling water in a cooling system is brought into the cooling pipe through the liquid cooling connector to achieve thermal balance, the temperature of the battery pack can be balanced, the sufficient capacity of the battery pack is improved, and performance indexes of the battery pack in the electric automobile, such as limited service environment, vehicle power performance, service life of the battery pack and the like, are directly improved.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack assembly according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a battery pack bracket assembly of the battery pack assembly according to the embodiment of the invention.
Fig. 3 is an exploded view of a battery pack bracket assembly of the battery pack assembly according to the embodiment of the present invention.
Fig. 4 is a schematic diagram of a partial internal structure of a battery pack bracket assembly of the battery pack assembly according to the embodiment of the invention.
Fig. 5 is a schematic diagram of a liquid-cooled connector of a battery pack support assembly of a battery pack assembly according to an embodiment of the invention.
Fig. 6 is a schematic diagram of an internal structure of an electrical connector of a battery pack bracket assembly of a battery pack assembly according to an embodiment of the invention.
Fig. 7 is a schematic structural view of a locking member of a battery pack holder assembly of the battery pack assembly according to the embodiment of the present invention.
Description of reference numerals:
mounting frame 1
Through hole 11
Mounting plate 21
First guide part 211
Conductive elastic member 33
Locking part 4
Locking groove 42
Locking cavity 422
Battery pack support assembly 10
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 7, the battery pack assembly according to the embodiment of the present invention includes a battery pack holder assembly 10 and a battery pack 20, and the battery pack 20 is detachably coupled to the battery pack holder assembly 10. The battery pack support assembly 10 comprises a mounting frame 1 and a liquid cooling connector 2, wherein the mounting frame 1 is used for mounting a battery pack 20, and the battery pack 20 is detachably connected into the mounting frame 1; liquid cooling connector 2 is installed in mounting bracket 1, and the one end of liquid cooling connector 2 is used for being linked together with outside cooling system, and the other end of liquid cooling connector 2 is used for inserting the cooling tube of battery package 20 and is linked together with the cooling tube of battery package 20. The cooling water provided by the external cooling system enters the heat dissipation pipe of the battery pack 20 through the liquid cooling connector 2, so that the temperature of the battery pack 20 is equalized, the sufficient capacity of the battery pack 20 is improved, and the service life of the battery pack 20 is directly prolonged.
The liquid cooling connector 2 comprises a mounting plate 21, a plurality of connector bodies 22 and a plurality of elastic members 23, one ends of the elastic members 23 are connected to the mounting plate 1, the other ends of the elastic members 23 are connected to the mounting plate 21, and the connector bodies 22 are connected to the mounting plate 21 and inserted into the mounting plate 1. The plurality of plug-in bodies 22 are communicated with an external heat dissipation system, plug-in ports of the plurality of plug-in bodies 22 are communicated with the battery pack 20, part of the plurality of plug-in bodies 22 are used for conveying cooling water provided by the heat dissipation system into the battery pack 20, and the rest plug-in bodies 22 are used for discharging the cooling water in the battery pack 20 to the heat dissipation system, so that the cooling water provided by the external heat dissipation system can realize the circulating cooling of the battery pack 20 through the plurality of plug-in bodies 22, the heat of the battery pack 20 is effectively dissipated, and the performance and the service life of the battery pack 20 are improved. Simultaneously, make to realize floating connection between mounting bracket 1 and the mounting panel 21 through elastic component 23, realize a plurality of floating connections of inserting body 22, effectively avoided inserting the connection of body 22 not hard up, strengthened the stability of liquid cooling connector 2 greatly, effectively avoided the seepage phenomenon of liquid cooling connector 2, further prolonged the life of battery package subassembly.
The insertion direction of the socket body 22 may be the same as the elastic direction of the elastic member 23. A plurality of body 22 that connect pass mounting panel 21 and install perpendicularly on mounting panel 21, a plurality of body 22 that connect are pegging graft the in-process, the axial direction removal of connecing body 22 can realize a plurality of grafting of connecing body 22, the grafting that can realize a plurality of body 22 that connect along the direction of insertion that connects body 22 promptly, and simultaneously, at the grafting in-process, the direction of insertion that connects body 22 is the same with elastic component 23's elasticity direction, make connect body 22 that connect can follow-up and adjusting position state when grafting removes, the accurate of connecing body 22 that has satisfied inserts, the stability of liquid cooling connector 2 has been improved.
The side wall of the mounting bracket 1 may be provided with a through hole 11 along the insertion direction of the socket body 22, the mounting plate 21 may be provided with a first guide portion 211 on a side facing the mounting bracket 1, and the first guide portion 211 may be positioned in the through hole 11 and may slide in the through hole 11. First guide part 211 slides in through hole 11, and first guide part 211 and through hole 11 can play the guide effect, have guaranteed that liquid cooling connector 2 removes along the direction of inserting, have improved liquid cooling connector 2's grafting precision.
At least one second guiding portion 24 may be disposed on the inner side of the liquid-cooled connector 2, the second guiding portion 24 may extend and protrude along the insertion direction of the liquid-cooled connector 2, and the second guiding portion 24 may also be recessed inward along the insertion direction of the liquid-cooled connector 2. The plugging precision of the liquid cooling connector 2 is improved, and the stability of the connection of the liquid cooling connector 2 and the battery pack 20 is improved. Preferably, when the battery pack 20 is mounted and connected to the battery pack support assembly 10, the second guiding portion 24 contacts the battery pack 20 first and achieves accurate positioning, and then the plugging port of the plugging body 22 is communicated with the battery pack 20, so as to ensure the plugging accuracy between the liquid-cooled connector 2 and the battery pack 20.
The side wall of the mounting bracket 1 may be provided with a plurality of guide holes 12 along the insertion direction of the connector body 22, each of the plurality of elastic members 23 includes a guide rod 231 and a spring 232, the guide rods 231 of the plurality of elastic members 23 correspond to the plurality of guide holes 12 one to one, one end of the guide rod 231 is connected to the mounting bracket 21, the other end of the guide rod 231 passes through the guide holes 12 and slides in the guide holes 12, the guide rod 231 is sleeved with the spring 232, and the spring 232 is pressed between the mounting bracket 21 and the mounting bracket 1. The guide holes 12 and the guide rods 231 play a guiding role, so that the mounting plate 21 moves along the insertion direction of the plug-in bodies 22, the phenomenon of offset and dislocation of the plug-in bodies 22 in the plugging process is effectively avoided, and the stability of the liquid cooling connector 2 is improved. The guide rod 231 is convenient for the installation of the spring 232, and the phenomenon of shaking and offsetting of the spring 232 is effectively avoided. Meanwhile, the elastic member 23 has a simple structure and is convenient to install. Wherein, the one end of guide bar 231 is connected in mounting panel 21, and the other end of guide bar 231 passes guide hole 12 and is equipped with spacing portion, and spacing portion is outside protruding along the radial direction of guide bar 231, and spacing portion and mounting panel 21 are used for injecing that liquid cooling connector 2 slides on guide bar 231.
A gap is provided between the guide bar 231 and the guide hole 12. The inner diameter of the guide hole 12 is larger than the diameter of the guide rod 231 so that the guide rod 231 has a gap between the outer circumferential surface of the guide rod 231 and the inner wall surface of the guide hole 12 when passing through the guide hole 12, and a space in which the guide rod 231 can be displaced exists in the radial direction thereof through the gap. When battery package 20 erection joint is in battery package support assembly 10, even there is certain skew error in second guide part 24, make liquid cooling connector 2 can produce certain displacement along the radial direction of guide bar 231 through the clearance, make second guide part 24 can realize accurate location, guaranteed to connect the accurate grafting between grafting port of connecing the socket body 22 and the battery package 20, solved positioning error and the depth of parallelism error that 2 erection joint of liquid cooling connector exists in the in-process of mounting bracket 1.
The guide bar 231 has a protrusion 233 on its outer circumferential surface extending outward in the radial direction of the guide bar 231, the mounting bracket 1 is located between the mounting plate 21 and the protrusion 233, the protrusion 233 is inserted into the guide hole 12, and the protrusion 233 is inclined toward the end surface of the mounting bracket 1. The spring 232 can be pressed between the mounting plate 21 and the mounting frame 1 through the convex part 233, and a certain tension force of the spring 232 is ensured. Meanwhile, the end surface of the protruding portion 233 is an inclined surface, and in an initial state, the guide rod 231 is coaxial with the guide hole 12, and a gap is formed between the outer circumferential surface of the periphery of the guide rod 231 and the guide hole 12, so that the guide rod 231 has a displacement space along the end surface in the radial direction.
Each connector body 22 of the plurality of connector bodies 22 may be any one of a liquid-cooled socket and a liquid-cooled plug, that is, in the plurality of connector bodies 22, all connector bodies 22 are liquid-cooled sockets, or all connector bodies 22 are liquid-cooled plugs, or a part of the connector bodies 22 are liquid-cooled sockets, and the other connector bodies 22 are liquid-cooled plugs. The liquid cooling socket is matched with the liquid cooling plug, the liquid cooling plug assembly of the embodiment is connected with the external liquid cooling plug through the plug-in connection, or the liquid cooling plug assembly of the embodiment is connected with the external liquid cooling plug through the plug-in connection.
Battery package support assembly 10 can also include electric connector 3, and electric connector 3 all installs in mounting bracket 1's same lateral wall with liquid cooling connector 2, and electric connector 3 is including utmost point post mount pad 31 and utmost point post subassembly, and utmost point post mount pad 31 is connected in mounting bracket 1, and utmost point post mount pad 31 is equipped with the mounting hole, and the mounting hole is worn to establish by utmost point post subassembly, and the part that utmost point post subassembly is located utmost point post mount pad 31 floats to be connected. Realize the electricity between utmost point post subassembly and the battery package 20 and be connected, utmost point post subassembly is through floating connection in utmost point post mount pad 31 for realize floating electric connection between electric connector 3 of battery package support assembly 10 and the battery package 20, effectively avoid the electric connection not hard up to cause the electricity to connect unusually such as inefficacy or burn out, improved the stability of electric connector 3 when the electricity is connected.
The utmost point post subassembly is including utmost point post body 32 and electrically conductive elastic component 33, and electrically conductive elastic component 33 sets up in utmost point post mount pad 31, and the mounting hole is worn to establish by the one end of utmost point post body 32, and the other end of utmost point post body 32 is connected in electrically conductive elastic component 33. The lower extreme of utmost point post body 32 passes the mounting hole and exposes in utmost point post mount pad 31's surface, and is connected between the lower extreme of utmost point post body 32 and the battery package 20 electricity, and the upper end of utmost point post body 32 is connected in electrically conductive elastic component 33, makes to float between utmost point post body 32 and the battery package 20 through electrically conductive elastic component 33 and is connected, and the electricity is connected more stably, strengthens the reliability and the life of electricity connection greatly. The conductive elastic member 33 may be a conductive spring, or may be made of a flexible conductive material.
The length direction of the mounting hole may be the same as the insertion direction of the liquid-cooled connector 2. Utmost point post body 32 can only move along the mounting hole round trip in the in-process of pegging graft, effectively plays the limiting action to utmost point post body 32, prevents that utmost point post body 32 from producing skew dislocation phenomenon, has improved the stability of the electricity connection of utmost point post body 32.
The electrical connector 3 may also be provided with at least one second guide portion 24 on the inner side thereof, the second guide portion 24 may be configured to extend in a protruding manner along the insertion direction of the liquid-cooled connector 2, and the electrical connector 3 is inserted into the battery pack 20 through the second guide portion 24. In the process of inserting the liquid cooling connector 2, the second guide part 24 plays a role in guiding and positioning, so that the inserting precision of the electric connector 3 is improved, and the electric connection stability of the electric connector 3 is improved. Of course, the second guide portion 24 may alternatively be configured to be recessed inwardly in the insertion direction of the liquid-cooled connector 2.
The battery pack support assembly 10 may further include a plurality of locking members 4 disposed at intervals along the insertion direction of the liquid-cooled connector 2, the plurality of locking members 4 are disposed on two corresponding sidewalls of the mounting frame 1 and connected to the mounting frame 1, and the plurality of locking members 4 are detachably connected to the outer wall surface of the battery pack 20. In the process of plugging the battery pack 20 and the liquid-cooled connector 2, the battery pack 20 moves along the insertion direction of the liquid-cooled connector 2 and is locked by being matched with the plurality of locking parts 4, so that both sides of the battery pack 20 are installed on the locking parts 4 of the battery pack support assembly 10. The locking part 4 enables the battery pack support assembly 10 and the battery pack 20 to be detachably connected, and the safety of the battery pack support assembly 10 is improved. The mounting frame 1 is provided with an accommodating cavity 13, the locking parts 4 are located in the accommodating cavity 13, and the battery pack 20 is installed in the accommodating cavity 13.
The locking component 4 may include a lock base 41, the lock base 41 is connected in the mounting bracket 1, a locking groove 42 for connecting and fixing a lock shaft of the battery pack 20 is formed on the lock base 41, and the locking groove 42 and the lock shaft of the battery pack 20 are correspondingly disposed. When the battery pack 20 is mounted on the battery pack support assembly 10, the battery pack 20 moves along the insertion direction close to the liquid-cooled connector 2 and is inserted into the liquid-cooled connector 2, so that the heat dissipation pipe in the battery pack 20 is communicated with the liquid-cooled connector 2, and the locking shaft on the battery pack 20 is correspondingly inserted into the locking groove 42 through the movement of the battery pack 20, so that the battery pack 20 is mounted and fixed on the battery pack support assembly 10. Otherwise, the locking shaft on the battery pack 20 will move out of the locking groove 42, so that the battery pack 20 and the battery pack support assembly 10 can be disassembled conveniently and simply.
The locking groove 42 may include an inlet 421 and a locking chamber 422, the inlet 421 communicates with the locking chamber 422, the inlet 421 extends in a direction different from the direction in which the locking chamber 422 extends, and the direction in which the locking chamber 422 extends is the same as the insertion direction of the fluid-cooled connector 2. The locking axle enters into locking groove 42 through entry 421, and when the cooling tube of battery package 20 and liquid cooling connector 2 were inserted and connected, the locking axle will enter into locking chamber 422 in, locking groove 42 plays the limiting action to the locking axle, has effectively avoided producing between the cooling tube of battery package 20 and the liquid cooling connector 2 and has broken away from the phenomenon, has prevented that the battery package subassembly from taking place the seepage phenomenon, has improved the stability of battery package subassembly greatly. Preferably, the extension direction of the inlet 421 is perpendicular to the extension direction of the locking chamber 422. Inlet 421 is flared to facilitate insertion of a lock shaft on battery pack 20.
The invention also discloses an electric automobile which comprises the battery pack assembly, wherein the mounting frame 1 of the battery pack support assembly 10 is fixed on a chassis of the electric automobile, one end of the liquid-cooled connector 2 is communicated with a heat dissipation system of the electric automobile, and the other end of the liquid-cooled connector 2 is used for being inserted into a heat dissipation pipe of the battery pack 20 and is communicated with the heat dissipation pipe of the battery pack 20. The liquid cooling connector 2 is used for communicating the heat dissipation system of the electric automobile with the heat dissipation pipe in the battery pack 20, cooling water in the heat dissipation system is brought into the heat dissipation pipe to achieve heat balance, the temperature of the battery pack 20 can be balanced, the sufficient capacity of the battery pack 20 is improved, and performance indexes of the battery pack 20 in the electric automobile, such as limited service environment, vehicle power performance and service life of the battery pack, are directly improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (17)
1. A battery pack holder assembly, comprising:
the mounting rack is used for being fixed on a chassis of an automobile and used for mounting a battery pack;
the liquid cooling connector, the liquid cooling connector install in the mounting bracket, the one end of liquid cooling connector be used for with the cooling system of car is linked together, the other end of liquid cooling connector is used for inserting the cooling tube of battery package and with the cooling tube of battery package is linked together.
2. The battery pack support assembly of claim 1, wherein the liquid-cooled connector includes a mounting plate, a plurality of connector bodies and a plurality of resilient members, one end of each of the plurality of resilient members is connected to the mounting plate, the other end of each of the plurality of resilient members is connected to the mounting plate, and each of the plurality of connector bodies is connected to the mounting plate and inserted into the mounting plate.
3. The battery pack holder assembly of claim 2, wherein the insertion direction of the socket body is the same as the elastic direction of the elastic member.
4. The battery pack holder assembly according to claim 2, wherein the side wall of the mounting bracket is provided with a through hole along the insertion direction of the connector body, and a first guide portion is provided in the mounting plate on a side facing the mounting bracket, and the first guide portion is located in the through hole and slides in the through hole.
5. The battery pack support assembly of claim 2, wherein the side wall of the mounting bracket is provided with a plurality of guide holes along the insertion direction of the plug-in body, the elastic members comprise guide rods and springs, the guide rods correspond to the guide holes one to one, one ends of the guide rods are connected to the mounting plate, the other ends of the guide rods penetrate through the guide holes and slide in the guide holes, the springs are sleeved on the guide rods, and the springs are pressed between the mounting plate and the mounting bracket.
6. The battery pack holder assembly of claim 5, wherein said guide rod has a gap with said guide hole.
7. The battery pack holder assembly according to claim 5, wherein the guide bar has a protrusion on an outer circumferential surface thereof, the protrusion extending outward in a radial direction of the guide bar, the mounting bracket is located between the mounting plate and the protrusion, the protrusion is inserted into the guide hole, and an end surface of the protrusion facing the mounting bracket is inclined.
8. The battery pack holder assembly of claim 1, wherein each of said plurality of said connector bodies is any one of a liquid cooled socket and a liquid cooled plug, said liquid cooled socket cooperating with said liquid cooled plug.
9. The battery pack support assembly of claim 1, further comprising an electrical connector, wherein the electrical connector and the liquid-cooled connector are both mounted on the same side wall of the mounting frame, the electrical connector comprises a post mounting seat and a post component, the post mounting seat is connected to the mounting frame, the post mounting seat is provided with a mounting hole, the post component penetrates through the mounting hole, and the portion of the post component located in the post mounting seat is connected in a floating manner.
10. The battery pack bracket assembly of claim 9, wherein the post assembly comprises a post body and a conductive elastic member, the conductive elastic member is disposed in the post mounting seat, one end of the post body penetrates through the mounting hole, and the other end of the post body is connected to the conductive elastic member.
11. The battery pack holder assembly of claim 9, wherein the length of said mounting hole is the same as the insertion direction of said fluid-cooled connector.
12. The battery pack holder assembly of claim 9, wherein said fluid-cooled connector and said electrical connector each have at least one second guide portion on an inner side thereof, said second guide portion extending in a direction of insertion of said fluid-cooled connector;
and/or the second guide part is inwards sunken along the inserting direction of the liquid cooling connector.
13. The battery pack holder assembly of claim 1, further comprising a plurality of locking members spaced apart along the insertion direction of the liquid-cooled connectors, wherein the plurality of locking members are disposed on opposite sides of the mounting bracket and are coupled to the mounting bracket, and wherein the plurality of locking members are adapted to be removably coupled to the outer wall of the battery pack.
14. The battery pack holder assembly of claim 13, wherein the locking member comprises a lock base, the lock base is connected to the mounting bracket, the lock base has a locking groove for fixing the lock shaft of the battery pack, and the locking groove is disposed corresponding to the lock shaft of the battery pack.
15. The battery pack holder assembly of claim 14, wherein said locking slot includes an inlet and a locking cavity, said inlet being in communication with said locking cavity and said inlet extending in a direction different from a direction in which said locking cavity extends, said locking cavity extending in a direction same as a direction in which said liquid-cooled connector is inserted.
16. A battery pack assembly comprising a battery pack and a battery pack holder assembly according to any of claims 1 to 15, the battery pack being removably attachable to the battery pack holder assembly.
17. An electric vehicle comprising the battery pack assembly of claim 16.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996583.6A CN110931910A (en) | 2018-08-29 | 2018-08-29 | Battery pack support assembly, battery pack assembly and electric automobile |
| PCT/CN2019/102971 WO2020043118A1 (en) | 2018-08-29 | 2019-08-28 | Battery pack and support unit thereof, liquid-cooled insertion assembly and device thereof, and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996583.6A CN110931910A (en) | 2018-08-29 | 2018-08-29 | Battery pack support assembly, battery pack assembly and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110931910A true CN110931910A (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996583.6A Pending CN110931910A (en) | 2018-08-29 | 2018-08-29 | Battery pack support assembly, battery pack assembly and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110931910A (en) |
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| CN112018291A (en) * | 2020-09-04 | 2020-12-01 | 重庆峘能电动车科技有限公司 | Battery box frame unit, battery box frame module and new energy automobile |
| CN113212138A (en) * | 2021-04-06 | 2021-08-06 | 东风柳州汽车有限公司 | Battery package installation component and electric automobile |
| CN113696706A (en) * | 2021-08-27 | 2021-11-26 | 安徽江淮汽车集团股份有限公司 | Quick change mechanism for liquid cooling battery pack |
| CN114204153A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Vertical butt joint type vehicle end liquid cooling connecting device, battery installation part and electric automobile |
| CN114435104A (en) * | 2022-03-10 | 2022-05-06 | 威睿电动汽车技术(宁波)有限公司 | Vehicle chassis subassembly and car |
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