CN114204157A - Liquid cooling connecting device with floating function, battery pack and electric automobile - Google Patents

Liquid cooling connecting device with floating function, battery pack and electric automobile Download PDF

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Publication number
CN114204157A
CN114204157A CN202111095520.1A CN202111095520A CN114204157A CN 114204157 A CN114204157 A CN 114204157A CN 202111095520 A CN202111095520 A CN 202111095520A CN 114204157 A CN114204157 A CN 114204157A
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CN
China
Prior art keywords
liquid
battery pack
valve
liquid cooling
battery
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Pending
Application number
CN202111095520.1A
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Chinese (zh)
Inventor
张建平
黄春华
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Aulton New Energy Automotive Technology Co Ltd
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Aulton New Energy Automotive Technology Co Ltd
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Publication of CN114204157A publication Critical patent/CN114204157A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Abstract

The invention discloses a liquid cooling connecting device with a floating function, a battery pack and an electric automobile, wherein the liquid cooling connecting device comprises: the mounting seat is arranged in an accommodating cavity at the bottom of the electric automobile or on the battery pack; the connecting valve is fixed on the mounting seat, one end of the connecting valve is connected with the liquid supply device, and the other end of the connecting valve is used for being connected with the liquid cooling pipeline; the mounting seat comprises a mounting plate fixed on the battery pack or in an accommodating cavity at the bottom of the electric automobile and a moving mechanism which can move in a telescopic mode along the flow direction of the flow channel relative to the mounting plate, and the connecting valve is fixedly arranged on the moving mechanism. The movement amount of the connecting valve is increased, the connecting valve is more stable to move, the stability of connection of the connecting valve is guaranteed, the leakage phenomenon of cooling liquid is effectively avoided, and the installation stability of the liquid cooling connecting device is greatly improved. The problem that the connection of the connecting valve is unstable and the like caused by factors such as vehicle vibration and the like is solved in a connecting valve follow-up mode.

Description

Liquid cooling connecting device with floating function, battery pack and electric automobile
This application claims priority from chinese patent application 202010981928.8 filed as 2020/09/17. This application refers to the above-mentioned patent application in its entirety.
Technical Field
The invention relates to a liquid cooling connecting device with a floating function, a battery pack and an electric automobile.
Background
The electric automobile 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.
In the battery replacement type electric automobile, a replaceable battery pack is generally movably mounted, and the battery pack can be taken down at any time and replaced by a new battery pack. The cooling pipe arranged on the quick-change battery pack is connected with a cooling system on the electric automobile, and the circulation of cooling liquid is utilized, so that the heat balance of the quick-change battery pack is realized. However, the cooling pipe on the quick-change battery pack is rigidly connected with the electric vehicle, and the quick-change battery pack needs to be frequently and automatically replaced for the electric vehicle, so that the quick-change battery pack is frequently floated due to various influences such as frequent replacement and vehicle body vibration, connection is unstable, connection disconnection is possibly caused, and leakage of cooling liquid is caused. Moreover, the existing plug connector has some problems in butt joint positioning, and the problems of plug malposition and the like are easy to occur.
Disclosure of Invention
The invention aims to overcome the defect that in the prior art, a cooling pipe on a battery pack is not stably connected with a socket on an electric automobile, so that cooling liquid leaks, and provides a liquid cooling connecting device with a floating function, the battery pack and the electric automobile.
The invention solves the technical problems through the following technical scheme:
the utility model provides a liquid cooling connecting device with function floats for realize the liquid supply device of the coolant liquid that provides on the electric automobile and the intercommunication of the liquid cooling pipeline in the battery package, thereby with the coolant liquid lets in the liquid cooling pipeline in the battery package, include:
the mounting seat is arranged in an accommodating cavity at the bottom of the electric automobile or on the battery pack; and
the connecting valve is fixed on the mounting seat, one end of the connecting valve is connected with the liquid supply device, the other end of the connecting valve is used for being connected with the liquid cooling pipeline, an openable and closable circulation channel is formed inside the connecting valve, the circulation direction of the circulation channel is perpendicular to or parallel to the plane direction of the length direction of the automobile body of the electric automobile, and therefore the liquid supply device is communicated with the liquid cooling pipeline after the battery pack is mounted to the electric automobile in the direction from bottom to top or in the horizontal direction;
the mount pad is including being fixed in on the battery package or electric automobile bottom hold the mounting panel of intracavity and for the mounting panel can be followed the flexible moving's of circulation direction of circulation passageway moving mechanism, the connecting valve is fixed to be located moving mechanism is last.
In this scheme, adopt above-mentioned structural style, will connect the valve fixed locate moving mechanism on, can follow the flexible removal of flow direction of circulation passageway for the mounting panel through moving mechanism, will drive the connecting valve and also together follow the flexible removal of flow direction of circulation passageway, thereby increased the amount of movement of connecting valve, the stability of connecting valve with the confession liquid device, liquid cooling tube coupling has been guaranteed, the installation stability of liquid cooling connecting device has been improved, the connecting valve connection unstability scheduling problem that factors such as vehicle vibrations lead to has been solved through the mode of connecting valve follow-up. Simultaneously, the connecting valve can move in a telescopic way along the flowing direction of the flowing channel, the movement is more stable, the leakage phenomenon of the cooling liquid is effectively avoided, and the installation stability of the liquid cooling connecting device is greatly improved.
Preferably, the mounting base further includes a plurality of shaft rods having one ends fixed to the mounting plate or the moving mechanism and the other ends penetrating through the moving mechanism or the mounting plate, and a plurality of first elastic members sleeved on the shaft rods in a one-to-one correspondence manner and clamped between the mounting plate and the moving mechanism in a compressed state.
In this scheme, the both ends of the first elastic component that adopt the above-mentioned structural style compression state exert respectively towards mount pad and moving mechanism and support the thrust, when moving mechanism produced the displacement, realize the scalable removal of moving mechanism relative mount pad through compressing first elastic component to moving mechanism can recover under the effect of first elastic component. In addition, a plurality of axostylus axostyles all have the direction function, make moving mechanism along predetermineeing the route removal through the axostylus axostyle, realize the accurate connection of connecting the valve, and effectively avoided moving mechanism to produce the skew dislocation phenomenon at the in-process that removes, improved liquid cooling connecting device's safety and stability greatly.
In addition, the plurality of first elastic pieces are arranged between the mounting plate and the moving mechanism, so that the moving mechanism can be quickly and stably recovered to the non-initial state, and the safety and stability of the liquid cooling connecting device are improved.
Preferably, the plurality of shafts are uniformly arranged at edge positions or end angle positions of the mounting plate or the moving mechanism.
In the scheme, by adopting the structural form, the plurality of shaft rods are uniformly arranged at the edge position or the end angle position of the mounting plate or the moving mechanism to guide the moving mechanism to move along a preset path, so that the consistency of the integral telescopic movement of the moving mechanism is ensured, the phenomenon of inclination is avoided, and the moving mechanism can move more stably; and the moving mechanism is stressed uniformly, so that the moving stability of the moving mechanism is further improved.
Preferably, the first elastic member is a compression spring.
In this scheme, adopt above-mentioned structural style, stability is high, and simple structure, and is with low costs.
Preferably, a positioning part is arranged on the mounting seat, and the connecting valve and the battery pack or the bottom of the electric automobile are positioned through the positioning part.
In this scheme, adopt above-mentioned structural style, the connecting valve is when being connected with confession liquid device or liquid cooling pipeline, fixes a position through locating component, guarantees the accuracy of connecting, improves connection efficiency.
Preferably, the moving mechanism comprises a moving seat and a floating plate, the moving seat is provided with a cavity, the floating plate is arranged in the cavity in a floating mode, the moving seat is connected with the mounting plate in a telescopic and movable mode, the connecting valve is fixedly arranged on the floating plate, and the positioning component is positioned through the floating action of the floating plate in the battery pack mounting process.
In the scheme, by adopting the structure, the connecting valve is fixedly arranged on the floating plate, and the floating plate moves in the cavity to drive the connecting valve to move together, so that the positioning component on the mounting plate can be quickly and accurately positioned in the process of mounting the battery pack, and the connecting efficiency of the connecting valve is improved; meanwhile, the movement amount of the connecting valve can be further increased, the stability of connection of the connecting valve with the liquid supply device and the liquid cooling pipeline is ensured, and the installation stability of the liquid cooling connecting device is improved.
Preferably, the moving mechanism further includes a plurality of second elastic members, and each of the plurality of second elastic members is connected to a corresponding end corner position of the moving seat by an end corner position of the floating plate.
In this scheme, adopt above-mentioned structural style, realize through a plurality of second elastic component that the floating plate can remove in removing the seat, simultaneously, a plurality of second elastic components will act on respectively all around the floating plate, have guaranteed the removal and the resilience of floating plate, have improved liquid cooling connecting device's stability.
Preferably, the second elastic member is a tension spring.
In this scheme, adopt above-mentioned structural style, stability is high, and simple structure, and is with low costs.
Preferably, the moving mechanism further includes a cover plate disposed on the opening side of the cavity and penetrated by the connection valve, and a sealing sleeve sealed between the cover plate and the pipe wall of the connection valve, and the sealing sleeve has a preset telescopic space.
In this scheme, adopt above-mentioned structural style, the seal cover plays sealed effect, will seal the opening between the pipe wall of apron and connecting valve through the seal cover, has effectively avoided outside dust, aqueous vapor, impurity etc. to enter into to the cavity in, has improved liquid cooling connecting device's installation stability greatly. Meanwhile, the sealing sleeve is provided with a preset telescopic space, so that the sealing sleeve can also stretch out and draw back in the moving process of the connecting valve, and the sealing effect is ensured.
Preferably, the sealing sleeve has a bellows.
In this scheme, adopt above-mentioned structural style, realize making the seal cover have elasticity and can stretch out and draw back through corrugated portion, the processing preparation is convenient, and is with low costs.
Preferably, the mounting seat is provided with a moving part, and the moving part drives the connecting valve to move synchronously when the lock shaft on the battery pack moves horizontally along the L-shaped lock groove at the bottom of the electric automobile.
In this scheme, adopt above-mentioned structural style, when the battery package carries out the locking process and takes place to remove, make the liquid cooling pipeline of sealed intercommunication battery package follow-up with the removal of battery package with the connecting valve of the confession liquid device of electric automobile through the moving part, and then keep the relative position motionless with the battery package, guarantee accuracy, leakproofness and the connectivity that the liquid cooling is connected.
Preferably, the moving member is provided on the floating plate to achieve moving connection of the connection valve with respect to the floating plate.
In this scheme, adopt above-mentioned structural style, make connecting valve have certain amount of movement relative floating plate through moving part, further increased the amount of movement of connecting valve, guaranteed connecting valve and supply liquid device, the stability of liquid cooling pipe connection, improved liquid cooling connecting device's installation stability. Meanwhile, the connecting valve moves on the floating plate along the set direction through the moving part, so that the connecting accuracy is ensured, and the connecting efficiency is improved.
Preferably, the mounting seat further includes a fixing plate for fixing the connection valve, and the moving member includes a slider and a guide rail disposed between the fixing plate and the floating plate.
In this scheme, adopt above-mentioned structural style, will connect the valve installation and fix on the fixed plate, connect slider and guide rail respectively on fixed plate and unsteady board again, realize that the fixed plate removes on the unsteady board, simple structure, the installation sets up conveniently, and with low costs. Meanwhile, the sliding block moves on the guide rail along the set direction, so that the phenomenon of offset and dislocation of the fixed plate and the connecting valve in the moving process is effectively avoided, and the accuracy, the tightness and the connectivity of liquid cooling connection are ensured.
A battery pack includes the liquid-cooled connecting device with floating function as described above.
In this scheme, adopt above-mentioned structural style, will connect the valve fixed locate moving mechanism on and can follow the flexible removal of circulation direction of circulation passageway for the mounting panel to increased the amount of movement of connecting the valve, and the connecting valve removes more stably, guaranteed the stability that the connecting valve is connected, effectively avoided the seepage phenomenon of emergence coolant liquid, improved the installation stability of battery package greatly. Meanwhile, the problem that the connection valve is unstable due to factors such as vehicle vibration and the like is solved in a connection valve follow-up mode.
An electric vehicle comprising a liquid-cooled connecting device having a floating function as described above.
In this scheme, adopt above-mentioned structural style, will connect the valve fixed locate moving mechanism on and can follow the flexible removal of circulation direction of circulation passageway for the mounting panel to increased the amount of movement of connecting the valve, and the connecting valve removes more stably, guaranteed the stability that the connecting valve is connected, effectively avoided the seepage phenomenon of emergence coolant liquid, improved electric automobile's installation stability greatly. Meanwhile, the problem that the connection valve is unstable due to factors such as vehicle vibration and the like is solved in a connection valve follow-up mode.
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: the connecting valve is fixedly arranged on the moving mechanism, the moving mechanism can move along the flow direction of the flow channel relative to the mounting plate in a telescopic mode, the connecting valve can be driven to also move in a telescopic mode along the flow direction of the flow channel, so that the movement amount of the connecting valve is increased, the connecting valve is more stable to move, the stability of connection of the connecting valve is guaranteed, the leakage phenomenon of cooling liquid is effectively avoided, and the installation stability of the liquid cooling connecting device is greatly improved. Meanwhile, the problem that the connection valve is unstable due to factors such as vehicle vibration and the like is solved in a connection valve follow-up mode.
Drawings
FIG. 1 is a schematic view of a liquid-cooled connection assembly according to embodiment 1 of the present invention;
FIG. 2 is a schematic configuration diagram of a first liquid-cooled connecting apparatus according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a second liquid-cooling connecting apparatus according to embodiment 1 of the present invention;
fig. 4 is a schematic view showing a first mounting manner of the battery-side liquid-cooled connecting device on the battery pack according to embodiment 2 of the present invention;
FIG. 5 is a schematic view of a second embodiment of a battery-side liquid-cooled connector assembly according to embodiment 3 of the present invention mounted on a battery pack;
FIG. 6 is a schematic view showing a first mounting manner of the vehicle-side liquid-cooled connecting apparatus to the battery mounting portion according to embodiment 4 of the present invention;
FIG. 7 is a schematic view showing a second mounting manner of the vehicle-side liquid-cooled connecting apparatus to the battery mounting portion according to embodiment 5 of the present invention;
fig. 8 is a schematic perspective view of a liquid-cooled connecting apparatus with a floating function according to embodiment 6 of the present invention;
fig. 9 is a schematic front view showing a liquid-cooled connecting apparatus with a floating function according to embodiment 6 of the present invention;
fig. 10 is a schematic right-view structural view of a liquid-cooled connecting apparatus with a floating function according to embodiment 6 of the present invention;
fig. 11 is a schematic view showing an internal structure of a liquid-cooled connecting apparatus having a floating function according to embodiment 6 of the present invention;
fig. 12 is a partial structural view of a liquid-cooled connecting apparatus with a floating function according to embodiment 6 of the present invention;
fig. 13 is a partial structural view of another liquid-cooled connecting apparatus with floating function according to embodiment 6 of the present invention.
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 to 3, in this embodiment 1, a liquid-cooled connection assembly 5000 is disclosed, the liquid-cooled connection assembly 5000 is used between a liquid supply device and a liquid-cooled pipeline, and the liquid-cooled connection assembly 5000 is used to achieve communication between the liquid supply device and the liquid-cooled pipeline, so that a cooling liquid in the liquid supply device circulates into the liquid-cooled pipeline and flows back into the liquid supply device, thereby achieving heat exchange in an area where the liquid-cooled pipeline is disposed.
Specifically, the liquid cooling connection assembly 5000 includes a first liquid cooling connection device 5100 and a second liquid cooling connection device 5200, the first liquid cooling connection device 5100 and the second liquid cooling connection device 5200 are used in a matched manner, one of them is provided as a connection joint of the liquid supply device, and the other is provided as a connection joint of the liquid cooling pipeline, and the liquid cooling connection assembly 5000 realizes the conduction of the liquid cooling pipeline while realizing the sealing connection, thereby allowing the cooling liquid to circulate.
As shown in fig. 1 and 2, the first liquid-cooled connection 5100 includes a first mount 5110 and a first connection valve 5120.
As shown in fig. 1 and 3, the second liquid-cooled connecting device 5200 includes a second mounting seat 5210 and a second connecting valve 5220.
The first mounting seat 5110 is a planar plate-shaped structure, specifically, a rectangular shape, and is used for mounting and fixing the first connection valve 5120.
The first connection valve 5120 is fixed to the first mounting seat 5110, and a flow passage is formed in the first connection valve 5120 to be opened and closed, and the flow direction of the flow passage is perpendicular to the plane direction of the first mounting seat 5110.
The second mounting seat 5210 is a planar plate-shaped structure, specifically, a rectangular shape, and is used for mounting and fixing the second connection valve 5220.
The second connection valve 5220 is fixed to the second mounting seat 5210, and an openable and closable flow passage is formed in the second connection valve 5220, and the flow direction of the flow passage is perpendicular to the planar direction of the second mounting seat 5210.
In practical use, one end of the first connection valve 5120 is connected to the liquid cooling pipeline, one end of the second connection valve 5220 is connected to the liquid supply device, and the flow passages in the first connection valve 5120 and the second connection valve 5220 are simultaneously opened through the matching connection between the first connection valve 5120 and the second connection valve 5220, so that the cooling liquid in the liquid supply device flows into the liquid cooling pipeline.
As shown in fig. 2, the first connection valve 5120 includes a first housing 5121 having a flow passage formed therein and a first spool 5122 telescopically and movably disposed in the flow passage to open and close the flow passage.
The first housing 5121 is an air structure, and has a first end and a second end arranged along a flow direction, the first end is an open structure, the second end is provided with a plurality of through holes, and a flow passage is formed between the open structure and the plurality of through holes.
The first spool 5122 includes a first core 5122a extending from a first end to a second end of the first housing 5121, and a valve plug 5122b telescopically and movably sleeved on one end of the first core 5122a corresponding to the first end and used for sealing the first core 5122a and the first housing 5121, wherein the valve plug 5122b telescopically moves to open or close the flow passage.
As shown in fig. 3, the second connection valve 5220 includes a second housing 5221 having a flow passage formed therein and a second valve element 5222 telescopically and movably disposed in the flow passage to open and close the flow passage.
The second housing 5221 is an air structure, and the outer diameter of the second housing 5221 is matched with the inner diameter of the first housing 5121, the second housing 5221 also has a first end and a second end arranged along the flow direction, the first end is an open structure and the second end is provided with a plurality of through holes, and a flow passage is formed between the open structure and the plurality of through holes.
One end of the second valve element 5222 is fixedly connected to the first end of the second housing 5221, and the other end is telescopically and movably connected to the second end of the second housing 5221 in the flow passage, and the second valve element 5222 is hermetically connected to the first end, and the corresponding flow passage is opened or closed by the telescopic movement of the second valve element 5222.
As shown in fig. 2, the first mounting seat 5110 is provided with a first positioning member 5130, as shown in fig. 3, the second mounting seat 5210 is provided with a second positioning member 5230, and when the first liquid-cooled connecting device 5100 is connected with the second liquid-cooled connecting device 5200, the first positioning member 5130 and the second positioning member 5230 are used for positioning, so that the connection accuracy is ensured, and the connection efficiency is improved. Specifically, the first positioning member 5130 may have a specific structural form of two positioning holes respectively disposed at both sides of the first connection valve 5120, and the second positioning member 5230 may have a specific structural form of two positioning posts respectively disposed at both sides of the second connection valve 5220; the first positioning member 5130 and the second positioning member 5230 may be disposed oppositely, or may have other positioning structures to meet the positioning requirement.
As also shown in fig. 2, the end face of the first core 5122a is recessed at a predetermined depth position of the first end face of the first end portion, and a guide structure is provided in a region of the first shell 5121 higher than the end face of the first core 5122 a. The guide structure may be a guide slope, and of course, any other structure having a guide function may be used, so that the guide structure at the front end of the first core 5122a can achieve more precise butt joint of the second connection valve 5220 and the first connection valve 5120 while the first positioning member 5130 and the second positioning member 5230 are positioned, thereby improving the sealing connection efficiency.
When the first connection valve 5120 is connected to the second connection valve 5220, the edge of the second housing 5221 pushes the plug 5122b of the first valve element 5122 to retract the plug 5122b inwardly relative to the first valve element 5122a, and simultaneously the first valve element 5122a pushes the second valve element 5222 to retract the second valve element 5222 inwardly toward the second housing 5221, so that the flow passages of the first housing 5121 and the second housing 5221 are simultaneously opened, and the first housing 5121 and the second housing 5221 are hermetically connected due to the insertion of the second housing 5221 into the first housing 5121.
As shown in fig. 3, the second mounting seat 521 is further provided with a sealing ring 5240 surrounding the second connection valve 5220, after the first connection valve 5120 is connected with the second connection valve 5220, the sealing ring 5240 is pressed to keep the first mounting seat 5110 and the second mounting seat 5210 in a sealing connection, so that the sealing performance of the first connection valve 5120 and the second connection valve 5220 is ensured, and even if a slight leakage phenomenon occurs, the liquid cannot leak to threaten or influence other components in the use environment.
According to the liquid-cooling connection assembly 5000 of this embodiment 1, the first liquid-cooling connection device 5100 and the second liquid-cooling connection device 5200 are connected in a mating manner, so that the openable and closable connectivity and the sealing property of the flow passage are ensured, and the risk of coolant dripping and the like is avoided. The liquid cooling connection assembly 5000 may be applied to all environments where liquid cooling pipe connections are implemented, such as pipe connections between a battery pack of an electric vehicle and a liquid supply device on the vehicle.
In another embodiment, the sealing ring can be arranged on the first mounting seat, sealing connection can be achieved, and the sealing ring can be arranged at will according to actual requirements.
Example 2
As shown in fig. 4, this embodiment 2 discloses a battery pack 6000, and the battery pack 6000 is used in an electric vehicle to supply power to the electric vehicle. And this battery pack 6000 has the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 of the structure in embodiment 1 described above, and the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 is provided as a battery-side liquid-cooled connecting device on the battery pack 6000. In this battery-side liquid-cooling connection device, the first and second mounting seats 5110 and 5210 and the first and second connection valves 5120 and 5220 are collectively referred to as a mounting seat and a connection valve.
When the battery pack 6000 is installed on the electric automobile, the liquid cooling connecting device at the battery end is communicated with a liquid supply device which is used for providing cooling liquid on the electric automobile, so that the cooling liquid is introduced into a liquid cooling pipeline in the battery pack 6000, heat exchange is conveniently carried out on a battery module which is filled in the battery pack 6000 and is discharged, and a proper working temperature environment is provided for the battery pack 6000. Here, the liquid supply device on the electric vehicle is connected to the second liquid-cooled connecting device 5200 or the first liquid-cooled connecting device 5100 through a liquid-cooled pipe, which matches the battery-side liquid-cooled connecting device on the battery pack 6000. That is, the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 is connected between the battery pack 6000 and the electric vehicle, respectively, and the first liquid-cooled connecting device and the second liquid-cooled connecting device can be arranged interchangeably.
Specifically, the mount pad sets up on the top surface or the side of battery package 6000, and the connecting valve is fixed in on the mount pad, and the plane direction of mount pad is parallel with the plane direction of battery package 6000 to the plane direction of mount pad is perpendicular mutually with the circulation direction of the circulation passageway of connecting valve, thereby realizes the intercommunication with electric automobile liquid cooling pipeline behind battery package 6000 with the direction from bottom to top installation to electric automobile. One end of the connecting valve, which is positioned at the inner side of the battery pack 6000, is connected with the liquid cooling pipeline in the battery pack 6000, and the other end of the connecting valve is used for being connected with the liquid supply device. The liquid supply device refers to a liquid supply device for supplying cooling liquid in the electric automobile or a liquid supply device arranged on a battery charging rack.
Here, the battery pack 6000 is detachably attached to the bottom of the electric vehicle by a locking device including a plurality of locking shafts fixed to both sides of the battery pack 6000 and a locking mechanism provided on the vehicle and having locking grooves extending in a vertical direction. When the battery pack 6000 rises from the bottom of the electric automobile to the locking shaft on the battery pack 6000 to be matched with the locking groove of the locking device, the liquid cooling connecting device of the liquid supply device of the electric automobile is hermetically connected with the battery end liquid cooling connecting device on the battery pack 6000, and the flow passage of the connecting valve is opened so as to be communicated with each other.
According to the battery pack 6000 of the embodiment 2, in the process of installing the battery pack 6000 at the bottom of the electric automobile, the battery pack 6000 is lifted from bottom to top, and along with the continuous rising of the battery pack 6000, the liquid cooling connecting device on the liquid supply device of the electric automobile and the corresponding connecting valve of the battery end liquid cooling connecting device of the battery pack 6000 are gradually abutted from the initial contact state to the sealing connection state, and the circulation channel is opened; when battery package 6000 upwards lifted to the right place, the locking shaft was locked in the locked groove that corresponds promptly, and the last connecting valve of battery package 6000 also communicates with the confession liquid device on the electric automobile is sealed simultaneously, can realize the sealed intercommunication of liquid cooling pipeline when realizing the installation of battery package 6000, and the installation connection process is simple high-efficient.
According to the scheme of this embodiment 2, through keeping the mode of mount pad horizontal for battery package 6000 to keep the circulation direction of the circulation passageway of connecting valve and mount pad vertical setting, just can realize making its liquid cooling connecting device and electric automobile's liquid cooling pipeline quick sealed intercommunication when battery package 6000 upwards lifts to the target in place.
In another embodiment, the battery pack 6000 has all the features of the above embodiments, and further includes a moving member provided on the mounting seat, and the connection valve is movably disposed on the moving member and drives the connection valve to move in a reverse direction with respect to the moving member when the locking shaft moves horizontally along the L-shaped locking groove. This scheme is based on battery package 6000 can dismantle the bottom of connecting in electric automobile through locking means, and locking means is including the locking mechanism who has L type locked groove and fix the locking axle on battery package 6000 side, and the locking axle further horizontal migration to battery package 6000 locking after the L type locked groove vertical migration targets in place succeeds, and battery package 6000 realizes the locking by further horizontal migration after the vertical migration promptly. And when the battery pack 6000 rises to the proper position, the liquid cooling connecting device of the battery pack 6000 is in sealed communication with the liquid cooling connecting device of the electric automobile. Therefore, when the battery pack 6000 moves horizontally, the liquid cooling connecting device of the battery pack 6000 and the liquid cooling connecting device of the electric automobile are kept in a fixed position through the moving part, namely, the connecting valve of the battery pack 6000 moves in the opposite direction relative to the moving part, and the accuracy, the sealing performance and the connectivity of liquid cooling connection are guaranteed.
In another embodiment, the battery pack 6000 has all the features of the above embodiments, and further includes: the number of the battery end liquid cooling connecting devices is two, wherein one of the battery end liquid cooling connecting devices is used as an input part of cooling liquid, and the other battery end liquid cooling connecting device is used as an output part of the cooling liquid. The arrangement mode of the liquid cooling pipeline in the battery pack 6000 is more flexible by separately arranging the input part and the output part of the liquid cooling connecting device. Preferably, the two battery end liquid-cooled connecting devices are respectively arranged at two opposite ends of the battery pack 6000. The input part and the output part of the liquid cooling connecting device are arranged at the two ends of the battery pack 6000, so that the layout of liquid cooling pipelines in the battery pack 6000 can be optimized, the occupied space of the liquid cooling pipelines is reduced, and the heat exchange efficiency is improved.
In another embodiment, the battery pack 6000 has all of the features of the embodiments described above, and also has battery end electrical connectors. The battery pack comprises a battery pack body, a battery end electric connector and a battery pack body, wherein the fixed side of the battery end electric connector is connected to the top or the end of the battery pack body, the end is adjacent to two side faces respectively, and the battery end electric connector has all or part of characteristics of a battery end electric connector used for replacing batteries. In another embodiment, the battery end liquid-cooling connecting device and the battery end electric connector can be arranged on the same fixed seat.
In another embodiment, the battery pack 6000 has all the features of the above-described embodiments and further includes a battery hanger. The battery hanging piece is arranged at the top of the battery pack body and is provided with all or part of characteristics of a first hanging piece in the battery pack, or the battery hanging piece is provided with all or part of characteristics of a second hanging piece in the battery pack.
In another embodiment, the battery pack 6000 has all the features of the above embodiments, and further has a plurality of locking shafts 6200, the locking shafts are axially and vertically connected to two opposite sides of the battery pack body 6100, and the locking shafts 6200 are used to cooperate with a locking mechanism on the electric vehicle to lock the battery pack.
Example 3
As shown in fig. 5, this embodiment 3 discloses another battery pack 6000, the difference between the battery pack 6000 and the battery pack 6000 of embodiment 2 is only that the arrangement positions of the liquid-cooled connecting devices at the battery ends are different, other structures and functions are completely the same, and the same structures and functions are not repeated.
In the liquid-cooled connection device at the battery end of the battery pack 6000 in this embodiment 3, the mounting seat is also disposed on the top surface or the side surface of the battery pack 6000, but the plane direction of the mounting seat is perpendicular to the plane direction of the battery pack 6000, and the plane direction of the mounting seat is perpendicular to the flow direction, that is, the flow direction of the flow channel is parallel to the plane direction of the battery pack 6000, so that the liquid-cooled pipeline of the electric vehicle is communicated with the battery pack 6000 after the battery pack 6000 is installed on the electric vehicle in the horizontal direction.
Here, the battery pack 6000 is detachably attached to the bottom of the electric vehicle by a locking device including a locking mechanism having an L-shaped locking groove and a plurality of locking shafts disposed at both sides of the battery pack 6000. The battery pack 6000 is lifted in place by the bottom of the electric automobile and further moves along the length direction of the automobile body of the electric automobile, namely moves vertically and horizontally along the direction of the L-shaped locking groove until the battery pack 6000 is successfully locked when a locking shaft on the battery pack 6000 is matched with the locking groove of the locking mechanism. When the battery pack 6000 is vertically lifted in place, the liquid cooling connecting device at the battery end is just aligned with the liquid supply device of the electric automobile, and along with the horizontal movement of the battery pack 6000, the connecting device of the liquid cooling pipeline of the liquid supply device of the electric automobile is communicated with the connecting valve on the battery pack 6000 and opens the circulation channel of the connecting valve.
According to the battery pack 6000 of this embodiment 3, in the process of installing the battery pack 6000 at the bottom of the electric vehicle, after the battery pack 6000 is vertically lifted in place, along with the continuous horizontal movement of the battery pack 6000, the liquid cooling connecting device on the liquid supply device of the electric vehicle and the connecting valve of the battery pack 6000 are gradually abutted to the sealing connection from the initial contact state and open the circulation passage, so that the sealing communication of the liquid cooling pipeline can be realized while the installation of the battery pack 6000 is realized, and the installation and connection process is simple and efficient.
According to the scheme of this embodiment 3, the installation seat is fixed relative to the battery pack 6000 in a vertical manner, and the flow direction of the flow channel of the connection valve is vertically arranged with the installation seat, that is, the flow direction of the flow channel of the connection valve is parallel to the horizontal direction of the battery pack 6000, so that the liquid cooling connection device and the liquid cooling pipeline of the electric vehicle can be quickly and hermetically communicated while the battery pack 6000 is lifted to the right position.
In another embodiment, the battery pack 6000 has all the features of the above embodiments, and further includes: the number of the battery end liquid cooling connecting devices is two, wherein one of the battery end liquid cooling connecting devices is used as an input part of cooling liquid, and the other battery end liquid cooling connecting device is used as an output part of the cooling liquid. The arrangement mode of the liquid cooling pipeline in the battery pack 6000 is more flexible by separately arranging the input part and the output part of the liquid cooling connecting device. Preferably, the two battery end liquid-cooled connecting devices are respectively arranged at two opposite ends of the battery pack 6000. The input part and the output part of the liquid cooling connecting device are arranged at the two ends of the battery pack 6000, so that the layout of liquid cooling pipelines in the battery pack 6000 can be optimized, the occupied space of the liquid cooling pipelines is reduced, and the heat exchange efficiency is improved.
In another embodiment, the battery pack 6000 has all of the features of the embodiments described above, and also has battery end electrical connectors. The battery pack comprises a battery pack body, a battery end electric connector and a battery pack body, wherein the fixed side of the battery end electric connector is connected to the top or the end of the battery pack body, the end is adjacent to two side faces respectively, and the battery end electric connector has all or part of characteristics of a battery end electric connector used for replacing batteries. In another embodiment, the battery end liquid-cooling connecting device and the battery end electric connector can be arranged on the same fixed seat.
In another embodiment, the battery pack 6000 has all the features of the above-described embodiments and further includes a battery hanger. Wherein the battery hook piece is mounted on top of the battery pack body, the battery hook piece having all or part of the features of the first hook piece in the battery pack, or the battery hook piece having all or part of the features of the second hook piece in the battery pack as shown in example 7.
In another embodiment, the battery pack 6000 has all the features of the above embodiments, and further has a plurality of locking shafts 6200, the locking shafts are axially and vertically connected to two opposite sides of the battery pack body 6100, and the locking shafts 6200 are used to cooperate with a locking mechanism on the electric vehicle to lock the battery pack.
Example 4
As shown in fig. 6, this embodiment 4 discloses a battery mounting portion 7000 which is used in an electric vehicle to mount a battery pack 6000 on the electric vehicle. The battery mounting portion 7000 has the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 described in embodiment 1 above, and the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 is provided as a vehicle-side liquid-cooled connecting device on the battery mounting portion 7000. In this vehicle-side liquid-cooling connection device, the first and second mounting seats 5110 and 5210 and the first and second connection valves 5120 and 5220 are collectively referred to as a mounting seat and a connection valve.
When battery installation portion 7000 is connected with battery package 6000, car end liquid cooling connecting device is sealed connected state promptly with the last battery end liquid cooling connecting device that battery package 6000 to in the liquid cooling pipeline that lets in battery package 6000 that supplies liquid device to provide the coolant liquid on the electric automobile, so that carry out the heat exchange with the battery module of the interior charging and discharging process of battery package 6000, provide suitable operating temperature environment for battery package 6000. Here, the liquid cooling pipe on the battery pack 6000 is connected with the second liquid cooling connection device 5200 or the first liquid cooling connection device 5100 that matches the vehicle-side liquid cooling connection device on the electric vehicle. That is, the first liquid-cooled connecting device 5100 or the second liquid-cooled connecting device 5200 is connected between the battery pack 6000 and the battery mounting portion of the electric vehicle, respectively, and the first liquid-cooled connecting device and the second liquid-cooled connecting device can be provided interchangeably.
Specifically, the mount pad sets up on electric automobile holds the top surface or the side of chamber, and the connecting valve is fixed in on the mount pad, and the plane direction of mount pad is parallel with the plane direction of battery package 6000 to the plane direction of mount pad is perpendicular with the circulation direction of the circulation passageway of connecting valve mutually, that is to say, the circulation direction of circulation passageway is perpendicular with the plane direction at electric automobile's automobile body length direction place mutually, thereby realizes the intercommunication with electric automobile liquid cooling pipeline behind battery package 6000 is installed to electric automobile with the direction from bottom to top.
Here, the battery pack 6000 is detachably attached to the bottom of the electric vehicle by a locking device including a plurality of locking shafts fixed to both sides of the battery pack 6000 and a locking mechanism provided on the vehicle and having locking grooves extending in a vertical direction. When the battery pack 6000 rises from the bottom of the electric automobile to the locking shaft on the battery pack 6000 to be matched with the locking groove of the locking device, the automobile end liquid cooling connecting device of the electric automobile is communicated with the battery end liquid cooling connecting device on the battery pack 6000, and the circulation channel of the connecting valve is opened.
According to the battery mounting part of the embodiment 4, in the process of mounting the battery pack 6000 on the bottom of the electric vehicle, the battery pack 6000 is lifted from bottom to top, and as the battery pack 6000 is lifted continuously, the vehicle-end liquid cooling connecting device on the electric vehicle and the battery-end liquid cooling connecting device of the battery pack 6000 are abutted to be in sealing connection gradually from the initial contact state, and the circulation channel is opened; when battery package 6000 upwards lifts to target in place, the lock shaft is locked in the locked inslot that corresponds promptly, and car end liquid cooling connecting device also seals the intercommunication simultaneously with battery end liquid cooling connecting device, can realize the sealed intercommunication of liquid cooling pipeline when realizing the installation of battery package 6000, and the installation connection process is simple high-efficient.
According to the scheme of this embodiment 4, through keeping the mode that the mount pad is horizontal for electric automobile fixes to keeping the circulation direction of the circulation passageway of connecting valve and mount pad vertical setting, just can realizing making its connecting valve and the liquid cooling connector of battery package 6000 communicate with sealing fast when battery package 6000 upwards lifts to the position.
In another embodiment, the battery mounting portion 7000 has all the features of the above embodiments, and further includes a moving component disposed on the mounting seat, wherein the moving component is used for driving the mounting seat to move integrally, and driving the mounting seat and the connection valve to move integrally and synchronously when the lock shaft moves horizontally along the L-shaped lock slot. This scheme is based on battery package 6000 can dismantle the bottom of connecting in electric automobile through locking means, and locking means is including the locking mechanism who has L type locked groove and fix the locking axle on battery package 6000 side, and the locking axle further horizontal migration to battery package 6000 locking after the L type locked groove vertical migration targets in place succeeds, and battery package 6000 realizes the locking by further horizontal migration after the vertical migration promptly. And when the battery pack 6000 rises to the proper position, the battery end liquid cooling connecting device of the battery pack 6000 is in sealed communication with the vehicle end liquid cooling connecting device of the electric vehicle. Therefore, when the battery pack 6000 moves horizontally, the mobile component drives the vehicle-end liquid cooling connecting device to move integrally, so that the liquid cooling connecting device of the battery pack 6000 and the liquid cooling connecting device of the electric vehicle are kept unchanged in position, and the sealing performance and the connectivity of liquid cooling connection are guaranteed.
In another embodiment, the battery mounting portion 7000 has all the features of the above embodiments, and further has: the number of the vehicle-end liquid cooling connecting devices is two, wherein one of the vehicle-end liquid cooling connecting devices is used as an input part of cooling liquid, and the other vehicle-end liquid cooling connecting device is used as an output part of the cooling liquid. The input part and the output part of the liquid cooling connecting device are separately arranged, so that the liquid cooling light path on the electric automobile is more flexible, and the liquid cooling pipeline arrangement mode in the battery pack 6000 is more flexible. Preferably, the two vehicle-end liquid cooling connecting devices are respectively arranged at two opposite ends of the accommodating cavity of the electric vehicle. The input part and the output part of the liquid cooling connecting device are arranged at the two ends of the accommodating cavity of the electric automobile, so that the layout of the liquid cooling pipeline in the battery pack 6000 can be optimized while the layout of the liquid cooling pipeline on the electric automobile is optimized, the occupied space of the liquid cooling pipeline is reduced, and the heat exchange efficiency is improved.
In another embodiment, the battery mounting section 7000 has all the features of the above-described embodiments, and further has a vehicle-end electrical connector. The fixed side of the vehicle-end electric connector is connected to the top or the end part of the battery accommodating cavity, the end part is adjacent to the two side faces respectively, and the vehicle-end electric connector has all or part of characteristics of the vehicle-end electric connector. In another embodiment, the vehicle-end liquid-cooled connecting device and the vehicle-end electric connector can be arranged on the same mounting seat.
In another embodiment, the battery mounting portion 7000 has all the features of the above-described embodiments and further includes a battery hanging seat. The battery hanging seat is arranged at the top of the battery accommodating cavity, and the battery hanging piece has all or part of characteristics of a first hanging seat in the battery mounting part, or has all or part of characteristics of a second hanging seat in the battery mounting part.
In another embodiment, the battery mounting portion 7000 has all the features of the above embodiments, and further includes a locking mechanism 7100, the locking mechanism 7100 is disposed corresponding to the locking shafts on both sides of the battery pack 6000, and the locking mechanism 7100 locks the battery pack 6000 by locking the locking shafts.
Example 5
As shown in fig. 7, in this embodiment 5, another battery mounting portion 7000 is disclosed, and the difference between this battery mounting portion 7000 and the battery mounting portion 7000 of embodiment 4 is only that the installation position of the vehicle-end liquid-cooled connecting apparatus is different, and other structures and functions are completely the same, and the description of the same structures and functions is not repeated.
Vehicle end liquid cooling connecting device on battery installation portion 7000 of this embodiment 5, the mount pad sets up on electric automobile holds the top surface or the side at chamber equally, but, the plane direction at mount pad and the plane direction at automobile body length direction place are mutually perpendicular to the plane direction of mount pad and circulation direction are mutually perpendicular, that is to say, circulation channel's circulation direction and battery package 6000's plane direction are parallel, thereby realize the intercommunication with electric automobile liquid cooling pipeline behind battery package 6000 with the horizontal direction installation to electric automobile.
Here, the battery pack 6000 is detachably attached to the bottom of the electric vehicle by a locking device including a locking mechanism having an L-shaped locking groove and a plurality of locking shafts disposed at both sides of the battery pack 6000. The battery pack 6000 is lifted in place by the bottom of the electric automobile and further moves along the length direction of the automobile body of the electric automobile, namely moves vertically and horizontally along the direction of the L-shaped locking groove until the battery pack 6000 is successfully locked when a locking shaft on the battery pack 6000 is matched with the locking groove of the locking mechanism. When the battery pack 6000 is vertically lifted in place, the vehicle-end liquid cooling connecting device is just aligned with the battery-end liquid cooling connecting device, and along with the horizontal movement of the battery pack 6000, the vehicle-end liquid cooling connecting device of the electric automobile is communicated with the battery-end liquid cooling connecting device on the battery pack 6000 and opens a circulation channel of the connecting valve.
According to the battery pack 6000 of this embodiment 5, in the process of installing the battery pack 6000 to the bottom of the electric vehicle, after the battery pack 6000 is vertically lifted in place, along with the continuous horizontal movement of the battery pack 6000, the connection valve of the electric vehicle and the battery end liquid cooling connection device of the battery pack 6000 are gradually abutted to the sealing connection from the initial contact state and open the circulation passage, so that the sealing communication of the liquid cooling pipeline can be realized while the installation of the battery pack 6000 is realized, and the installation and connection process is simple and efficient.
According to the scheme of this embodiment 5, the installation seat is fixed relative to the electric vehicle in a vertical manner, and the flow direction of the flow channel of the connection valve is vertically arranged with respect to the installation seat, that is, the flow direction of the flow channel of the connection valve is parallel to the horizontal direction of the electric vehicle, so that the battery pack 6000 can be lifted in place and the battery-side liquid-cooling connection device and the vehicle-side liquid-cooling connection device of the electric vehicle can be rapidly and hermetically communicated.
In another embodiment, the battery mounting section 7000 has all the features of the above-described embodiments, and further has a vehicle-end electrical connector. The fixed side of the vehicle-end electric connector is connected to the top or the end part of the battery accommodating cavity, the end part is adjacent to the two side faces respectively, and the vehicle-end electric connector has all or part of characteristics of the vehicle-end electric connector. In another embodiment, the vehicle-end liquid-cooled connecting device and the vehicle-end electric connector can be arranged on the same mounting seat.
In another embodiment, the battery mounting portion 7000 has all the features of the above-described embodiments and further includes a battery hanging seat. Wherein the battery docking cradle is mounted on top of the battery receiving cavity, the battery docking member having all or part of the features of the first docking cradle in the battery mounting section 7000, or the battery docking member having all or part of the features of the second docking cradle in the battery mounting section 7000.
In another embodiment, the battery mounting portion 7000 has all the features of the above embodiments, and further includes a locking mechanism 7100, the locking mechanism 7100 is disposed corresponding to the locking shafts on both sides of the battery pack 6000, and the locking mechanism 7100 locks the battery pack 6000 by locking the locking shafts.
In another embodiment, there is also disclosed an electric vehicle having all or part of the features of the battery mounting section shown in the above embodiments 1, 3, 4 and 5.
Example 6
As shown in fig. 8 to 13, this embodiment 6 discloses a liquid-cooling connecting device with a floating function, which is used to communicate a liquid supply device of cooling liquid provided on an electric vehicle with a liquid-cooling pipeline in a battery pack, so as to introduce the cooling liquid into the liquid-cooling pipeline in the battery pack. The liquid cooling connecting device with the floating function can be arranged on the electric automobile and is communicated with a liquid supply device on the electric automobile, and when the liquid cooling connecting device with the battery pack is connected, cooling liquid provided by the liquid supply device flows into the liquid cooling pipeline of the battery pack through the liquid cooling connecting device with the floating function, so that the temperature of the battery pack is adjusted. In addition, the liquid cooling connecting device with the floating function can also be arranged on the battery pack and communicated with the liquid cooling pipeline on the battery pack, and after the liquid cooling connecting device with the floating function is connected with a liquid supply device on the electric automobile, the liquid cooling connecting device with the floating function for supplying the cooling liquid provided by the liquid supply device is conducted to the liquid cooling pipeline of the battery pack, so that the temperature of the battery pack is adjusted.
The liquid cooling connecting device with the floating function comprises a mounting seat 1 and a connecting valve 2, wherein the mounting seat 1 is arranged in a containing cavity at the bottom of the electric automobile or on a battery pack; the connecting valve 2 is fixed on the mounting seat 1, one end of the connecting valve 2 is connected with the liquid supply device, the other end of the connecting valve is used for being connected with the liquid cooling pipeline, an openable and closable circulation channel is formed inside the connecting valve 2, and the circulation direction of the circulation channel is perpendicular to or parallel to the plane direction of the length direction of the electric automobile body, so that the liquid supply device is communicated with the liquid cooling pipeline after the battery pack is mounted to the electric automobile in the direction from bottom to top or in the horizontal direction. The liquid supply device flows the provided cooling liquid into the connecting valve 2, and the cooling liquid flows into the liquid cooling pipeline by opening the connecting valve 2, so that the battery pack is cooled. In this embodiment 6, the number of the connection valves 2 is two, one connection valve 2 is used for the inlet of the cooling liquid, and the other connection valve 2 is used for the outlet of the cooling liquid, so that the liquid-cooled connection device can be cooled circularly.
The mounting seat 1 comprises a mounting plate 11 fixed on a battery pack or in a containing cavity at the bottom of the electric automobile and a moving mechanism 12 which can move telescopically relative to the mounting plate 11 along the flow direction of the flow channel, and the connecting valve 2 is fixedly arranged on the moving mechanism 12. Will connect valve 2 fixed locate moving mechanism 12 on, can follow the flexible removal of flow channel's circulation direction for mounting panel 11 through moving mechanism 12, will drive connecting valve 2 and also together follow the flexible removal of flow channel's circulation direction, thereby increased connecting valve 2's the amount of movement, the stability of connecting valve 2 with the liquid supply unit, liquid cooling pipe connection has been guaranteed, liquid cooling connecting device's installation stability has been improved, the connecting valve connection unstability that causes of factors such as vehicle vibrations has been solved through connecting valve 2 follow-up mode. Meanwhile, the connecting valve 2 can move in a telescopic mode along the flowing direction of the flowing channel, the movement is more stable, the leakage phenomenon of cooling liquid is effectively avoided, and the installation stability of the liquid cooling connecting device is greatly improved.
The mounting base 1 further includes a plurality of shaft rods 13 having one end fixed to the mounting plate 11 or the moving mechanism 12 and the other end penetrating through the moving mechanism 12 or the mounting plate 11, and a plurality of first elastic members 14 sleeved on the shaft rods 13 in a one-to-one correspondence manner and clamped between the mounting plate 11 and the moving mechanism 12 in a compressed state. When the moving mechanism 12 is displaced, the moving mechanism 12 can be telescopically moved relative to the mounting plate 11 by compressing the first elastic member 14, and the moving mechanism 12 can be restored by the first elastic member 14. In addition, a plurality of axostylus axostyles 13 all have the direction function, make moving mechanism 12 remove along predetermineeing the route through axostylus axostyle 13, realize the accurate connection of connecting valve 2, and effectively avoided moving mechanism 12 to produce the skew dislocation phenomenon at the in-process that removes, improved liquid cooling connecting device's safety and stability greatly. Meanwhile, the plurality of first elastic pieces 14 are arranged between the mounting plate 11 and the moving mechanism 12, so that the moving mechanism 12 is quickly and stably restored to the non-initial state, and the safety and stability of the liquid cooling connecting device are improved.
In this embodiment 6, the shaft 13 is fixed to the mounting plate 11, the moving mechanism 12 has a plurality of guide holes, the plurality of guide holes correspond to the plurality of shafts 13 one by one, and the shafts 13 pass through the guide holes and move in the guide holes.
The plurality of shafts 13 are uniformly disposed at edge positions or end corner positions of the mounting plate 11 or the moving mechanism 12. The plurality of shaft rods 13 are uniformly arranged at the edge position or the end angle position of the mounting plate 11 or the moving mechanism 12 to guide the moving mechanism 12 to move along a preset path, so that the consistency of the integral telescopic movement of the moving mechanism 12 is ensured, the phenomenon of inclination is avoided, and the moving mechanism 12 can move more stably; and the force of the moving mechanism 12 is uniform, so that the moving stability of the moving mechanism 12 is further improved. In one embodiment, the number of the shafts 13 is four, and four shafts 13 are disposed at four end corner positions of the moving mechanism 12.
In the present embodiment 6, the first elastic member 14 is a compression spring. High stability, simple structure and low cost. The compression spring will fit over the shaft 13. The phenomenon of offset and dislocation of the pressure spring in the compression process is effectively avoided, and the safety and stability of the liquid cooling connecting device are greatly improved.
The mounting seat 1 is provided with a positioning component 15, and the connecting valve 2 and the battery pack or the bottom of the electric automobile are positioned through the positioning component 15. When the connecting valve 2 is connected with the liquid supply device or the liquid cooling pipeline, the connecting valve is positioned through the positioning part 15, so that the connecting accuracy is ensured, and the connecting efficiency is improved. Specifically, the specific structural form of the positioning component 15 may be two positioning holes respectively disposed at two sides of the connection valve 2, and the specific structural form of the positioning component 15 may also be two positioning columns respectively disposed at two sides of the connection valve 2; other positioning structures can be adopted, and the positioning requirement can be met.
The moving mechanism 12 includes a moving seat 121 having a cavity 1211 and a floating plate 122 floatably disposed in the cavity 1211, the moving seat 121 is telescopically and movably connected to the mounting plate 11, the connection valve 2 is fixed to the floating plate 122, and the positioning member 15 is positioned by the floating action of the floating plate 122 during the installation of the battery pack. The connecting valve 2 is fixedly arranged on the floating plate 122, and the floating plate 122 moves in the cavity 1211 to drive the connecting valve 2 to move together, so that the positioning component 15 on the mounting plate 11 can be quickly and accurately positioned in the process of mounting the battery pack, and the connecting efficiency of the connecting valve 2 is improved; meanwhile, the movement amount of the connecting valve 2 can be further increased, the stability of connection of the connecting valve 2 with the liquid supply device and the liquid cooling pipeline is ensured, and the installation stability of the liquid cooling connecting device is improved.
The moving mechanism 12 further includes a plurality of second elastic members 123, and the plurality of second elastic members 123 are respectively connected to the end corner positions of the corresponding moving seat 121 by the end corner positions of the floating plate 122. The floating plate 122 can move in the moving seat 121 by connecting the second elastic members 123 with the end corners of the floating plate 122, and meanwhile, the second elastic members 123 act on the periphery of the floating plate 122 respectively, so that the movement and rebound of the floating plate 122 are guaranteed, and the stability of the liquid cooling connecting device is improved. Wherein, the second elastic member 123 is a tension spring. High stability, simple structure and low cost.
The moving mechanism 12 further includes a cover plate 124 disposed on the opening side of the cavity 1211 and penetrated by the connection valve 2, and a sealing sleeve 125 sealed between the cover plate 124 and the pipe wall of the connection valve 2, wherein the sealing sleeve 125 has a predetermined expansion space. The sealing sleeve 125 plays a role in sealing, and the sealing sleeve 125 seals an opening between the cover plate 124 and the pipe wall of the connecting valve 2, so that external dust, moisture, impurities and the like are effectively prevented from entering the cavity 1211, and the installation stability of the liquid cooling connecting device is greatly improved. Meanwhile, the sealing sleeve 125 has a preset telescopic space, so that the sealing sleeve 125 can also stretch in the moving process of the connecting valve 2, thereby ensuring the sealing effect. Preferably, the sealing sleeve 125 has corrugations. The sealing sleeve 125 has elasticity and can stretch out and draw back through the corrugated part, and the processing and the manufacturing are convenient, and the cost is low.
The mounting seat 1 is provided with a moving part 16, and the moving part 16 drives the connecting valve 2 to move synchronously when a lock shaft on the battery pack moves horizontally along an L-shaped lock groove at the bottom of the electric automobile. This scheme is based on battery package 6 through locking means can dismantle the bottom of connecting in electric automobile, and locking means is including the locking mechanism that has L type locked groove and fix the lock axle on the battery package side, and the lock axle further horizontal migration to battery package locking after putting in place along L type locked groove vertical movement succeeds, and the battery package realizes the locking by further horizontal migration after the vertical migration promptly. And when the battery pack rises to the proper position, the liquid cooling pipeline of the battery pack is hermetically communicated with the liquid supply device of the electric automobile through the liquid cooling connecting device with the floating function. Therefore, when the battery pack moves in the locking process, the liquid cooling pipeline for sealing and communicating the battery pack and the connecting valve 2 of the liquid supply liquid cooling connecting device of the electric automobile follow the movement of the battery pack through the moving part 16, and further keep the relative position with the battery pack still, so that the accuracy, the sealing property and the connectivity of the liquid cooling connection are ensured.
The moving member 16 is provided on the floating plate 122 to achieve the moving connection of the connecting valve 2 with respect to the floating plate 122. By the floating plate 122 moving inside the cavity 1211, the connection valve 2 is made movable with respect to the moving seat 121 and a floating connection of the connection valve 2 is achieved; the connecting valve 2 has a certain movement amount relative to the floating plate 122 through the moving part 16, so that the movement amount of the connecting valve 2 is further increased, the stability of connection of the connecting valve 2 with the liquid supply device and the liquid cooling pipeline is ensured, and the installation stability of the liquid cooling connecting device is improved. At the same time, the moving member 16 moves the connection valve 2 in a predetermined direction on the floating plate 122, thereby ensuring the accuracy of connection and improving the connection efficiency.
The mounting 1 further comprises a fixed plate 17 for fixedly connecting the valve 2, and the moving member 16 comprises a slider 162 and a guide rail 161 provided between the fixed plate 17 and the floating plate 122. The connecting valve 2 is installed and fixed on the fixed plate 17, and then the sliding block 162 and the guide rail 161 are respectively connected on the fixed plate 17 and the floating plate 122, so that the fixed plate 17 moves on the floating plate 122, and the connecting valve is simple in structure, convenient to install and set and low in cost. Meanwhile, the sliding block 162 moves on the guide rail 161 along a given direction, so that the phenomenon of offset and dislocation of the fixed plate 17 and the connecting valve 2 in the moving process is effectively avoided, and the accuracy, the tightness and the connectivity of liquid cooling connection are ensured.
The embodiment also discloses a battery pack which comprises the liquid cooling connecting device with the floating function. One end of a connecting valve 2 of the liquid cooling connecting device with the floating function is connected with a liquid cooling pipeline in the battery pack and communicated with the liquid cooling pipeline, and the other end of the connecting valve 2 is detachably connected with the liquid supply device in an inserting mode. The connecting valve 2 is fixedly arranged on the moving mechanism 12 and can move in a telescopic mode along the flowing direction of the flowing channel relative to the mounting plate 11, so that the moving amount of the connecting valve 2 is increased, the connecting valve 2 moves more stably, the stability of connection of the connecting valve 2 is guaranteed, the leakage phenomenon of cooling liquid is effectively avoided, and the mounting stability of the battery pack is greatly improved.
The embodiment also discloses an electric automobile, and the electric automobile comprises the liquid cooling connecting device with the floating function. One end of a connecting valve 2 of the liquid cooling connecting device with the floating function is connected with a liquid supply device on the electric automobile and communicated with the liquid supply device, and the other end of the connecting valve 2 is detachably connected with a liquid cooling pipeline in the battery pack in an inserting mode. The connecting valve 2 is fixedly arranged on the moving mechanism 12 and can move in a telescopic mode along the flowing direction of the flowing channel relative to the mounting plate 11, so that the moving amount of the connecting valve 2 is increased, the connecting valve 2 moves more stably, the stability of connection of the connecting valve 2 is guaranteed, the leakage phenomenon of cooling liquid is effectively avoided, and the mounting stability of the electric automobile is greatly 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 (15)

1. The utility model provides a liquid cooling connecting device with function floats for realize the liquid cooling pipeline's in the confession liquid device of the coolant liquid that provides and the battery package intercommunication, thereby with the coolant liquid lets in the liquid cooling pipeline in the battery package, its characterized in that includes:
the mounting seat is arranged in an accommodating cavity at the bottom of the electric automobile or on the battery pack; and
the connecting valve is fixed on the mounting seat, one end of the connecting valve is connected with the liquid supply device, the other end of the connecting valve is used for being connected with the liquid cooling pipeline, an openable and closable circulation channel is formed inside the connecting valve, the circulation direction of the circulation channel is perpendicular to or parallel to the plane direction of the length direction of the automobile body of the electric automobile, and therefore the liquid supply device is communicated with the liquid cooling pipeline after the battery pack is mounted to the electric automobile in the direction from bottom to top or in the horizontal direction;
the mount pad is including being fixed in on the battery package or electric automobile bottom hold the mounting panel of intracavity and for the mounting panel can be followed the flexible moving's of circulation direction of circulation passageway moving mechanism, the connecting valve is fixed to be located moving mechanism is last.
2. The liquid-cooled connecting device with floating function as claimed in claim 1, wherein the mounting base further comprises a plurality of shaft rods having one ends fixed to the mounting plate or the moving mechanism and the other ends penetrating the moving mechanism or the mounting plate, and a plurality of first elastic members sleeved on the shaft rods in a one-to-one correspondence and clamped between the mounting plate and the moving mechanism in a compressed state.
3. The liquid-cooled connector with floating function as claimed in claim 2, wherein said plurality of shafts are uniformly arranged at edge positions or end angle positions of said mounting plate or said moving mechanism.
4. The liquid-cooled connecting device with floating function as claimed in claim 2, wherein said first elastic member is a compression spring.
5. The liquid-cooled connector with floating function as claimed in claim 1, wherein a positioning member is provided on the mounting seat, and the connecting valve and the battery pack or the bottom of the electric vehicle are positioned by the positioning member.
6. The liquid-cooled connector with floating function as claimed in claim 5, wherein said moving mechanism includes a moving seat formed with a cavity and a floating plate floatingly disposed in said cavity, said moving seat is telescopically and movably connected to said mounting plate, said connecting valve is fixedly disposed on said floating plate, and said positioning member is positioned by floating action of said floating plate during installation of the battery pack.
7. The liquid-cooled connector with floating function as claimed in claim 6, wherein said moving mechanism further comprises a plurality of second elastic members, and said plurality of second elastic members are respectively connected to corresponding corner positions of said moving base by corner positions of said floating plate.
8. The liquid-cooled connector with floating function as claimed in claim 7, wherein said second elastic member is a tension spring.
9. The liquid-cooled connector with floating function as claimed in claim 6, wherein said moving mechanism further comprises a cover plate disposed at the opening side of said cavity and penetrated by said connecting valve, and a sealing sleeve sealed between said cover plate and the tube wall of said connecting valve, said sealing sleeve having a predetermined expansion space.
10. The liquid-cooled connection apparatus with floating function of claim 9, wherein said sealing sleeve has a bellows portion.
11. The liquid-cooled connector with floating function as claimed in claim 6, wherein a moving member is provided on the mounting seat, and the moving member drives the connecting valve to move synchronously when the locking shaft on the battery pack moves horizontally along the L-shaped locking groove at the bottom of the electric vehicle.
12. The liquid-cooled connector with float function of claim 11 wherein said moving member is mounted on said float plate for effecting movable connection of said connector valve relative to said float plate.
13. The liquid-cooled connector with floating function of claim 12, wherein said mounting base further comprises a fixed plate for fixing said connector valve, and said moving means comprises a slider and a guide rail disposed between said fixed plate and said floating plate.
14. A battery pack, characterized in that it comprises a liquid-cooled connecting device with floating function according to any one of claims 1 to 13.
15. An electric vehicle, characterized in that it comprises a liquid-cooled connection device with floating function according to any one of claims 1-13.
CN202111095520.1A 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile Pending CN114204157A (en)

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CN2020109819288 2020-09-17
CN202010981928 2020-09-17

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CN202111093794.7A Pending CN114194063A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile with battery pack mounting part
CN202111095453.3A Pending CN114204175A (en) 2020-09-17 2021-09-17 Battery end electric connector with good waterproof function, battery pack and electric automobile
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CN202111095454.8A Pending CN114194017A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part
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CN202111095398.8A Pending CN114204324A (en) 2020-09-17 2021-09-17 Battery end electric connector with stable output, battery pack and electric automobile
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CN202122260599.0U Active CN217074013U (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile
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CN202122262497.2U Active CN216805100U (en) 2020-09-17 2021-09-17 Battery mounting part for vertically hanging battery pack and electric automobile
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CN202111093801.3A Pending CN114204201A (en) 2020-09-17 2021-09-17 Quick-change battery end liquid cooling connecting device, battery pack and electric automobile
CN202122260645.7U Active CN216698913U (en) 2020-09-17 2021-09-17 Vehicle end electric connector for horizontal direction butt joint and electric vehicle
CN202111095520.1A Pending CN114204157A (en) 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile
CN202111095411.XA Pending CN114194016A (en) 2020-09-17 2021-09-17 Battery pack mounting part for horizontally hanging battery pack and electric automobile
CN202111093763.1A Pending CN114204154A (en) 2020-09-17 2021-09-17 Horizontal butt joint type battery end liquid cooling connecting device, battery pack and electric automobile
CN202111093758.0A Pending CN114204189A (en) 2020-09-17 2021-09-17 Vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202122268140.5U Active CN217182347U (en) 2020-09-17 2021-09-17 Battery pack and electric automobile
CN202111095419.6A Pending CN114204199A (en) 2020-09-17 2021-09-17 Battery pack for vertical installation on electric automobile and electric automobile
CN202122262672.8U Active CN216818464U (en) 2020-09-17 2021-09-17 A battery package and electric automobile for articulating on electric automobile
CN202122260109.7U Active CN216563343U (en) 2020-09-17 2021-09-17 Battery end electric connector with good waterproof function, battery pack and electric automobile
CN202111095403.5A Pending CN114194015A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202111095523.5A Pending CN114284626A (en) 2020-09-17 2021-09-17 Battery pack horizontally mounted on electric automobile and electric automobile with battery pack
CN202122267105.1U Active CN216563300U (en) 2020-09-17 2021-09-17 Liquid cooling connecting device with floating function, battery pack and electric automobile
CN202111094404.8A Pending CN114194014A (en) 2020-09-17 2021-09-17 Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part
CN202122262660.5U Active CN216672012U (en) 2020-09-17 2021-09-17 Battery end electric connector with stable output, battery pack and electric automobile
CN202111095461.8A Pending CN114204177A (en) 2020-09-17 2021-09-17 Battery pack mounting method for vertically mounting battery pack to battery pack mounting portion
CN202111094047.5A Pending CN114204181A (en) 2020-09-17 2021-09-17 Battery pack mounting method for horizontally mounting battery pack to battery pack mounting portion
CN202111093759.5A Pending CN114204153A (en) 2020-09-17 2021-09-17 Vertical butt joint type vehicle end liquid cooling connecting device, battery installation part and electric automobile
CN202111095412.4A Pending CN114204156A (en) 2020-09-17 2021-09-17 Battery replacing bag for vertical connection with electric automobile and electric automobile
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CN202111094493.6A Pending CN114204155A (en) 2020-09-17 2021-09-17 Liquid cooling connecting device convenient to locking, battery pack and electric automobile

Family Applications Before (22)

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

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

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