CN115241559A - Liquid cooling system for battery replacement pack, liquid cooling battery replacement pack replacement method and automobile - Google Patents

Liquid cooling system for battery replacement pack, liquid cooling battery replacement pack replacement method and automobile Download PDF

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Publication number
CN115241559A
CN115241559A CN202210630550.6A CN202210630550A CN115241559A CN 115241559 A CN115241559 A CN 115241559A CN 202210630550 A CN202210630550 A CN 202210630550A CN 115241559 A CN115241559 A CN 115241559A
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CN
China
Prior art keywords
cooling
cut
liquid
pipeline
battery
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Pending
Application number
CN202210630550.6A
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Chinese (zh)
Inventor
宋庆国
窦雅盛
李晓依
胡文锦
李康
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Priority to CN202210630550.6A priority Critical patent/CN115241559A/en
Publication of CN115241559A publication Critical patent/CN115241559A/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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiment of the application discloses a liquid cooling system for a battery replacing bag, a liquid cooling battery replacing bag replacing method and an automobile, relates to the technical field of automobiles, and can reduce leakage of cooling liquid when the battery replacing bag is replaced and reduce adding frequency of the cooling liquid. The liquid cooling system for the battery replacing package provided by the embodiment of the application comprises a first cooling pipeline and a second cooling pipeline. The both ends of second cooling pipeline are provided with coolant liquid import and coolant liquid export, and the both ends of first cooling pipeline can be dismantled respectively and be connected to coolant liquid import and coolant liquid export. The cooling liquid inlet is provided with a first cut-off device, the cooling liquid outlet is provided with a second cut-off device, one end of the first cooling pipeline, which corresponds to the cooling liquid inlet, is provided with a third cut-off device, and one end of the first cooling pipeline, which corresponds to the cooling liquid outlet, is provided with a fourth cut-off device. The battery replacing package liquid cooling system provided by the embodiment of the application is used for cooling the battery replacing package.

Description

Liquid cooling system for battery replacement pack, liquid cooling battery replacement pack replacement method and automobile
Technical Field
The embodiment of the application relates to the technical field of automobiles, in particular to a liquid cooling system for a battery replacing bag, a liquid cooling battery replacing bag replacing method and an automobile.
Background
With the development of the electric vehicle technology, in order to improve the endurance of the electric vehicle and save the time cost in the charging process, a technology for replacing a battery pack of the electric vehicle is also developed. Specifically, after the electric automobile enters the battery replacing station, the battery pack in the automobile is replaced by the fully charged battery pack in the battery replacing station, so that the charging time of the battery pack can be greatly saved, charging anxiety of a user is solved, and the electric automobile is more convenient to go out.
In the related art, a liquid cooling system and an air cooling system are commonly used for cooling a battery replacement package of an electric vehicle, and the battery replacement package cooled by the air cooling system is limited by the temperature of the battery package in the aspects of charging and discharging power of the battery package, and the adaptability to the temperature is poor.
For the battery replacement package of the liquid cooling system, when the battery package is replaced, a large amount of cooling liquid can be leaked, and the cooling liquid needs to be added frequently.
Disclosure of Invention
In order to solve the above problems, the embodiment of the application provides a liquid cooling system for a battery replacement pack, a liquid cooling battery replacement pack replacement method and an automobile, and the liquid cooling battery replacement pack replacement system has the following advantages: the leakage of the cooling liquid can be reduced when the battery pack is replaced, and the adding frequency of the cooling liquid is reduced.
In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:
first convenient, this application embodiment provides a trade battery package liquid cooling system, includes: first cooling pipeline and second cooling pipeline, wherein, first cooling pipeline sets up on the automobile body, and the second cooling pipeline is fixed to be set up in trading electric battery package for cool off trading electric battery package, the both ends of second cooling pipeline are provided with coolant liquid import and coolant liquid export. The both ends of first cooling pipeline can be dismantled respectively and be connected to coolant liquid import and coolant liquid export, form the circulation circuit of coolant liquid, are provided with the water pump on the first cooling pipeline for the drive coolant liquid flows along circulation circuit. And the cooling liquid inlet is provided with a first cut-off device, the cooling liquid outlet is provided with a second cut-off device, one end of the first cooling pipeline, which is close to the cooling liquid inlet, is provided with a third cut-off device, and one end of the first cooling pipeline, which is close to the cooling liquid outlet, is provided with a fourth cut-off device.
In the liquid cooling system for the battery replacement package provided by the embodiment of the application, because the first cut-off device and the second cut-off device are arranged at two ends of the second cooling pipeline, the third cut-off device is arranged at one end, close to the first cut-off device, of the first cooling pipeline, and the fourth cut-off device is arranged at one end, close to the second cut-off device, of the first cooling pipeline, when the battery replacement package is replaced, the first cut-off device, the second cut-off device, the third cut-off device and the fourth cut-off device are controlled to be closed, so that the flow of cooling liquid can be blocked, and then the battery replacement package is replaced, so that the cooling liquid of the first cut-off device and the cooling liquid of the second cut-off device in the second cooling pipeline can be kept in the second cooling pipeline, the cooling liquid between the third cut-off device and the fourth cut-off device in the first cooling pipeline can be kept in the first cooling pipeline, the leakage of the cooling liquid during replacement of the battery package can be reduced, and the adding frequency of the cooling liquid can be reduced.
In one possible implementation manner of the present application, a fifth cut-off device is disposed on the first cooling pipeline between the first cut-off device and the third cut-off device, and one end of the fifth cut-off device is communicated to the first cooling pipeline, and the other end of the fifth cut-off device is communicated to the atmosphere.
In one possible implementation of the present application, a sixth cut-off device is provided on the first cooling line between the second cut-off device and the fourth cut-off device, and one end of the sixth cut-off device is communicated to the first cooling line and the other end is communicated to the atmosphere.
In one possible implementation of the present application, the first, second, third, fourth, fifth, and sixth flow interception devices are all solenoid valves.
In a possible implementation manner of the present application, the battery replacement package liquid cooling system provided in an embodiment of the present application further includes a controller, where the first cut-off device, the second cut-off device, the third cut-off device, the fourth cut-off device, the fifth cut-off device, and the sixth cut-off device are all electrically coupled to the controller, and the controller is configured to control opening or closing of the first cut-off device, the second cut-off device, the third cut-off device, the fourth cut-off device, the fifth cut-off device, and the sixth cut-off device.
In a possible implementation manner of the present application, the battery replacement pack liquid cooling system provided in an embodiment of the present application further includes an expansion water tank, and the expansion water tank is communicated to a first cooling pipeline between an outlet of the water pump and the third cutoff device.
In one possible implementation manner of the present application, both ends of the first cooling pipeline are detachably connected to the cooling liquid inlet and the cooling liquid outlet through the quick-connect plugs, respectively.
In a possible implementation of this application, be provided with contact sensor in the quick connector, contact sensor is used for monitoring first cooling pipeline's both ends and coolant liquid import and coolant liquid export whether be connected, and contact sensor electricity is coupled to the controller, and the controller still is used for acquireing the connection status of first cooling pipeline's both ends and coolant liquid import and coolant liquid export.
In a second aspect, an embodiment of the present application further provides a method for replacing a battery replacement pack, which is implemented by using the battery replacement pack liquid cooling system provided in the first aspect, and includes the following steps:
controlling the closing of the first, second, third and fourth cut-off devices;
detaching the cooling liquid inlet from the first cooling pipeline;
detaching the cooling liquid outlet from the first cooling pipeline;
and replacing the liquid-cooled battery replacing bag.
In a possible implementation manner of the present application, a method for replacing a battery replacement pack provided in an embodiment of the present application includes:
a fifth intercepting device is arranged on a second cooling pipeline between the first intercepting device and the third intercepting device, one end of the fifth intercepting device is communicated to the second cooling pipeline, and the other end of the fifth intercepting device is communicated to the atmosphere;
prior to the step of controlling the closing of the first, second, third and fourth shut-off devices, further comprising:
controlling the first cut-off device, the second cut-off device, the fourth cut-off device and the fifth cut-off device to be opened and controlling the third cut-off device to be closed;
and controlling the water pump to operate, and pumping out the cooling liquid on one side of the battery replacement package corresponding to the position between the third cut-off device and the fourth cut-off device.
In a possible implementation manner of the present application, a method for replacing a battery replacement pack provided in an embodiment of the present application includes:
a fifth intercepting device is arranged on a second cooling pipeline between the first intercepting device and the third intercepting device, one end of the fifth intercepting device is communicated to the second cooling pipeline, and the other end of the fifth intercepting device is communicated to the atmosphere;
a sixth cut-off device is arranged on a third cooling pipeline between the second cut-off device and the fourth cut-off device, one end of the sixth cut-off device is communicated to the third cooling pipeline, and the other end of the sixth cut-off device is communicated to the atmosphere;
prior to the step of controlling the closing of the first, second, third and fourth shut-off devices, further comprising:
controlling the third cut-off device and the sixth cut-off device to be closed, and controlling the first cut-off device, the second cut-off device, the fourth cut-off device and the fifth cut-off device to be opened;
controlling the water pump to operate, and pumping out the cooling liquid between the third cut-off device and the first cut-off device;
controlling the first cut-off device, the second cut-off device and the third cut-off device to be closed, and controlling the fourth cut-off device and the sixth cut-off device to be opened;
and controlling the water pump to operate, and pumping out the cooling liquid between the second cut-off device and the fourth cut-off device.
Because the method for replacing the battery pack by liquid cooling provided by the embodiment of the application is realized by using the battery pack liquid cooling system provided by the first aspect, the method has the same technical effects that: the leakage of the cooling liquid can be reduced when the battery pack is replaced, and the adding frequency of the cooling liquid is reduced.
In a third aspect, an embodiment of the application provides an automobile, including the battery replacing package liquid cooling system that the first aspect provided to, first cooling pipeline sets up on the automobile body, and the second cooling pipeline is fixed to be set up in replacing the battery package, and it connects on the automobile to replace the battery package and dismantle.
Because the car that this application embodiment provided includes the battery of trading that the first aspect provided wraps liquid cooling system, consequently have same technological effect, promptly: the leakage of the cooling liquid can be reduced when the battery pack is replaced, and the adding frequency of the cooling liquid is reduced.
Drawings
Fig. 1 is a schematic diagram of a liquid cooling system of a battery replacement pack according to an embodiment of the present application;
fig. 2 is a schematic diagram of a liquid cooling system of a battery replacement pack according to an embodiment of the present application;
fig. 3 is a schematic diagram of a liquid cooling system of a battery swapping pack provided in the embodiment of the present application;
fig. 4 is a schematic diagram of a liquid cooling system of a battery swapping pack provided in the embodiment of the present application;
fig. 5 is a first flowchart of a method for replacing a liquid-cooled battery replacement pack according to an embodiment of the present application;
fig. 6 is a flowchart of a liquid cooling battery replacement pack replacement method according to an embodiment of the present application;
fig. 7 is a third flowchart of a method for replacing a liquid-cooled battery replacement pack according to an embodiment of the present application.
Reference numerals:
1-a first cooling circuit; 11-a water pump; 2-a second cooling circuit; 21-coolant inlet; 22-coolant outlet; 31-a first cut-off device; 32-a second shut-off device; 33-a third flow interception device; 34-a fourth shut-off device; 35-a fifth shut-off device; 36-a sixth cut-off device; 4-a controller; 5-expansion tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.
In addition, in the embodiments of the present application, directional terms such as "upper", "lower", "left", and "right" are defined with respect to the schematically-placed orientation of components in the drawings, and it is to be understood that these directional terms are relative concepts, which are used for descriptive and clarifying purposes, and may be changed accordingly according to changes in the orientation in which the components are placed in the drawings.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the term "connected" is to be understood broadly, for example, "connected" may be fixedly connected, detachably connected, or integrally formed; may be directly connected or indirectly connected through an intermediate.
In the embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The embodiment of the application provides a car, and is specific, the car that this application embodiment provided has the function that can change the battery package, to the battery package that can change hereinafter generally be called and trade the battery package. It should be noted that the vehicle provided in the embodiment of the present application may be a car type, an off-road vehicle type, a multi-purpose (MPV) vehicle type, a truck type, or another vehicle type.
The car that this application embodiment provided is including trading battery package liquid cooling system, it is concrete, refer to fig. 1, the trade battery package liquid cooling system that this application embodiment provided includes first cooling pipeline 1 and second cooling pipeline 2, wherein, first cooling pipeline 1 sets up on the car automobile body, and second cooling pipeline 2 sets up in trading the battery package for cool off trading the battery package, and the both ends of second cooling pipeline 2 are provided with coolant liquid import 21 and coolant liquid export 22.
Further, both ends of the first cooling pipeline 1 are detachably connected to the cooling fluid inlet 21 and the cooling fluid outlet 22, respectively, so that a complete circulation loop of the cooling fluid is formed, and meanwhile, a water pump 11 is disposed on the first cooling pipeline 1 and is used for driving the cooling fluid to flow along the circulation loop formed by the first cooling pipeline 1 and the second cooling pipeline 2.
Specifically, referring to fig. 1, for convenience of describing the cooling pipelines of the first cooling pipeline 1 on both sides of the water pump 11, the cooling pipeline of the first cooling pipeline 1 on one side of the inlet of the water pump 11 is called an inlet pipe of the first cooling pipeline 1, the cooling pipeline of the first cooling pipeline 1 on one side of the outlet of the water pump 11 is called an outlet pipe of the first cooling pipeline 1, the inlet of the water pump 11 is communicated to a cooling liquid outlet 22 of the battery replacement pack through the inlet pipe of the first cooling pipeline 1, and the outlet of the water pump 11 is communicated to a cooling liquid inlet 21 of the battery replacement pack through the outlet pipe of the first cooling pipeline 1.
On the basis, a first cut-off device 31 is arranged at a cooling liquid inlet 21 of the battery replacing bag, a second cut-off device 32 is arranged at a cooling liquid outlet 22, a third cut-off device 33 is arranged at one end of the first cooling pipeline 1 close to the cooling liquid inlet 21, and a fourth cut-off device 34 is arranged at one end of the first cooling pipeline 1 close to the cooling liquid outlet 22.
It should be noted that in some embodiments of the present application, the first shut-off device 31 and the third shut-off device 33 are disposed as close as possible, and the second shut-off device 32 and the fourth shut-off device 34 are disposed as close as possible, so that as little coolant as possible is disposed between the first shut-off device 31 and the third shut-off device 33, and between the second shut-off device 32 and the fourth shut-off device 34.
When the power change battery pack is changed, the first cut-off device 31, the second cut-off device 32, the third cut-off device 33 and the fourth cut-off device 34 are controlled to be closed, and the flow of the cooling liquid is blocked. Then the first cooling pipeline 1, the cooling liquid inlet 21 and the cooling liquid outlet 22 are disassembled, and finally the battery replacement package is replaced.
In the liquid cooling system for the battery replacement pack provided by the embodiment of the application, the two ends of the second cooling pipeline 2 are provided with the first cut-off device 31 corresponding to the cooling liquid inlet 21 and the second cut-off device 32 corresponding to the cooling liquid outlet 22; meanwhile, the third intercepting device 33 and the fourth intercepting device 34 are correspondingly arranged at two ends of the first cooling pipeline 1, when the power change battery pack is replaced, the intercepting devices are controlled to be closed, so that the flow of cooling liquid can be blocked, and when the power change battery pack is replaced, the leaked cooling liquid is only the cooling liquid between the first intercepting device 31 and the third intercepting device 33 and between the second intercepting device 32 and the fourth intercepting device 34. The cooling liquid between the first cut-off device 31 and the second cut-off device 32 in the second cooling pipeline 2 can be kept in the second cooling pipeline 2, and the cooling liquid between the third cut-off device 33 and the fourth cut-off device 34 in the first cooling pipeline 1 can be kept in the first cooling pipeline 1, so that the leakage of the cooling liquid during replacement of the battery pack can be reduced, and the adding frequency of the cooling liquid can be reduced.
It should be noted that, in the liquid cooling system for a battery replacement pack provided in the embodiment of the present application, the structures of the first cooling pipeline 1 and the second cooling pipeline 2 are not limited, for example, for the convenience of arranging the first cooling pipeline 1 on the automobile body, the first cooling pipeline 1 may be set in the shape of a circular pipe, and for the convenience of arranging the second cooling pipeline 2 in the battery replacement pack, the second cooling pipeline 2 may be set in the shape of a belt. In addition, the arrangement of the second cooling pipeline 2 in the battery replacement package is not limited in the embodiment of the application, and the second cooling pipeline 2 can be arranged in the battery replacement package to form a multilayer structure, so that the cooling efficiency of the battery replacement package can be improved. Meanwhile, the material of the first cooling pipeline 1 and the second cooling pipeline 2 is not limited in the embodiment of the application, for example, the first cooling pipeline 1 and the second cooling pipeline 2 may be made of stainless steel, and the stainless steel cooling pipeline can resist corrosion and has good strength; the first cooling pipeline 1 and the second cooling pipeline 2 can also be made of copper materials, the copper cooling pipeline has good heat conductivity coefficient, heat in the battery replacement pack can be better conducted to the cooling liquid, but the strength of the copper cooling pipeline is lower; the first cooling pipeline 1 and the second cooling pipeline 2 can be made of titanium alloy, the heat conductivity coefficient and the strength of the cooling pipeline of the titanium alloy are good, but the cost of the cooling pipeline of the titanium alloy is high, and reasonable selection can be performed according to actual conditions.
Meanwhile, the positions of the first cooling pipeline 1 and the water pump 11 are not limited in the embodiment of the application, for example, the water pump 11 can be arranged in an engine compartment, and the inlet and the outlet of the water pump 11 are respectively communicated to the cooling liquid outlet 22 and the cooling liquid inlet 21 of the battery replacement pack through the first cooling pipeline 1, so that the water pump 11 can be protected, parts of an automobile are intensively arranged, and the automobile is favorably maintained.
In the embodiment of the present application, there are various choices of the first cut-off device 31, the second cut-off device 32, the third cut-off device 33, and the fourth cut-off device 34, and the first cut-off device 31 may be configured as a manual valve, and before the replacement of the battery pack, the above-mentioned cut-off device is manually closed, and then the replacement of the battery pack is performed. Therefore, in some embodiments of the present application, the first, second, third and fourth shut-off devices 31, 32, 33 and 34 are provided as pneumatic or electric valves, and automatic opening or closing of the pneumatic or electric valves can be realized by simple operation of the controller 4 of the pneumatic or electric valves, further reducing the workload of manual operation. The first, second, third and fourth shut-off devices 31, 32, 33 and 34 may be provided as pressure valves, and when the replacement of the rechargeable battery pack is required, the pressure of the coolant is not enough to open the pressure valves after the water pump 11 stops operating, thereby also blocking the flow of the coolant.
On this basis, referring to fig. 2, in some embodiments of the present application, a fifth cut-off device 35 is provided on the first cooling line 1 of the first and third cut-off devices 31 and 33, and one end of the fifth cut-off device 35 is communicated to the first cooling line 1 and the other end is communicated to the atmosphere.
Therefore, when the battery pack is replaced, the third cut-off device 33 is closed, the first cut-off device 31, the second cut-off device 32 and the fourth cut-off device 34 are kept open, the fifth cut-off device 35 is opened, and then the water pump 11 is kept running, so that the water pump 11 can pump out the cooling liquid between the third cut-off device 33 and the fourth cut-off device 34 and close to one side of the battery pack. Then the fourth cut-off device 34 is closed and the replacement battery pack is replaced, so that the leakage of the cooling liquid can be completely avoided.
Specifically, for better implementation of the above-mentioned solution, the second cooling circuit 2 may be arranged to run at a certain gradient, and a downward gradient may be arranged from the cooling liquid inlet 21 to the cooling liquid outlet 22; meanwhile, the first cooling circuit 1 between the first cut device 31 to the third cut device 33 is provided with an upward gradient extending along the second cooling circuit 2; the first cooling line 1 between the second cutout 32 to the fourth cutout 34 is provided with a downward slope running down the second cooling line 2. Meanwhile, the fifth cut-off device 35 is arranged at a position as close to the third cut-off device 33 as possible, and the fifth cut-off device 35 is communicated with the uppermost part of the section of the first cooling pipeline 1 at the corresponding position, so that when the fifth cut-off device 35 is opened to draw out the cooling liquid at the side, close to the battery replacement pack, between the third cut-off device 33 and the fourth cut-off device 34, the cooling liquid can be more fully drawn out.
In order to confirm that the cooling liquid near the battery replacement pack between the third flow intercepting device 33 and the fourth flow intercepting device 34 is completely pumped out, the operation time of the water pump 11 may be preset according to the volume of the cooling pipeline near the battery replacement pack between the third flow intercepting device 33 and the fourth flow intercepting device 34 and the flow rate of the water pump 11, so that the water pump 11 can completely pump out the cooling liquid in the cooling pipeline within a certain time.
In addition, a liquid level meter can be arranged between the second cut-off device 32 and the fourth cut-off device 34 and close to the fourth cut-off device 34 to monitor the liquid level of the cooling liquid in the cooling pipeline between the third cut-off device 33 and the fourth cut-off device 34 and close to the first side of the battery replacement pack, when the liquid level monitored by the liquid level meter is zero, the fact that the cooling liquid in the cooling pipeline is completely pumped out is indicated, and at the moment, the operation of the water pump 11 can be stopped. The liquid level meter and the water pump 11 can be arranged in an interlocking mode, and when the liquid level monitored by the liquid level meter is zero, the water pump 11 can be automatically stopped through the interlocking arrangement between the liquid level meter and the water pump 11. So that the dry pumping damage of the water pump 11 can be avoided.
On this basis, with reference to fig. 3, in some embodiments of the present application, a sixth cut-off device 36 is provided on the first cooling line 1 between the second cut-off device 32 and the fourth cut-off device 34, and one end of the sixth cut-off device 36 is connected to the first cooling line 1 and the other end is connected to the atmosphere.
In this way, when the replacement of the replacement battery pack is performed, the third cut-off device 33 is first closed, the first cut-off device 31, the second cut-off device 32, and the fourth cut-off device 34 are in an open state, then the fifth cut-off device 35 is opened, the water pump 11 is controlled to operate, the coolant between the third cut-off device 33 and the first cut-off device 31 is pumped out, and then the first cut-off device 31 is closed. At this time, the second cooling pipeline 2 between the cutoff device 31 and the second cutoff device 32 is filled with the cooling liquid by the battery replacement Bao Nadi.
The second shut-off device 32 is then closed, at which time the fourth shut-off device 34 is in an open state, and then the sixth shut-off device 36 is opened, the water pump 11 is controlled to operate, the coolant between the second shut-off device 32 and the fourth shut-off device 34 is pumped out, and then the fourth shut-off device 34 is closed.
Through the arrangement, the cooling liquid between the first cut-off device 31 and the third cut-off device 33 and the cooling liquid between the second cut-off device 32 and the fourth cut-off device 34 can be extracted, so that the cooling liquid is still kept between the electricity-changing battery Bao Nadi cut-off device 31 and the second cut-off device 32, and when the electricity-changing battery pack is charged in the electricity-changing station, the electricity-changing battery pack can be replaced by the cooling liquid.
It should be noted that, in the embodiment of the present application, the fifth cut-off device 35 and the sixth cut-off device 36 may refer to the above-mentioned selection of the first cut-off device 31, the second cut-off device 32, the third cut-off device 33 and the fourth cut-off device 34, and the fifth cut-off device 35 and the sixth cut-off device 36 are configured as a manual valve, a pneumatic valve, an electric valve or a pressure valve, which is not limited in the embodiment of the present application.
Further, in order to achieve an automated control of the first shut-off device 31, the second shut-off device 32, the third shut-off device 33, the fourth shut-off device 34, the fifth shut-off device 35 and the sixth shut-off device 36, in some embodiments of the present application, the shut-off devices are provided as solenoid valves. For the automobile, the cut-off device is arranged into the electromagnetic valve, so that the electromagnetic valve can be conveniently powered by using an electric system of the automobile.
It should be noted that, for the electromagnetic valve, commonly used electromagnetic valves include a normally open electromagnetic valve and a normally closed electromagnetic valve, and when the normally open electromagnetic valve is not energized, the electromagnetic valve is in an open state; when the normally closed type electromagnetic valve is not electrified, the electromagnetic valve is in a closed state. In order to prevent the leakage of the cooling liquid, in some embodiments of the present application, the first shut-off device 31, the second shut-off device 32, the third shut-off device 33, the fourth shut-off device 34, the fifth shut-off device 35, and the sixth shut-off device 36 are provided as normally closed type solenoid valves.
On the basis, referring to fig. 4, the liquid cooling system for a battery replacement pack further includes a controller 4, where the first cut-off device 31, the second cut-off device 32, the third cut-off device 33, the fourth cut-off device 34, the fifth cut-off device 35, and the sixth cut-off device 36 are all electrically coupled to the controller 4, and the controller 4 is configured to control the opening or closing of the cut-off devices.
It should be noted that, a running computer of an automobile may be used as the controller 4 of the cut-off device, or the controller 4 of the cut-off device may be separately provided, which is not limited in the embodiment of the present application.
In addition, referring to fig. 4, in some embodiments of the present application, the battery replacement package liquid cooling system further includes an expansion tank 5, and specifically, the expansion tank 5 is communicated with the first cooling pipeline 1 between the outlet of the water pump 11 and the third flow intercepting device 33.
In this way, the expansion tank 5 can be used to temporarily store the coolant in the first cooling circuit 1 and the second cooling circuit 2 pumped by the water pump 11.
It should be noted that, in the embodiment of the present application, the material and the shape of the expansion water tank 5 are not limited, for example, the expansion water tank 5 may be a water tank made of a plastic material, or may be a water tank made of a metal material; the shape of the expansion tank 5 may be cylindrical, spherical or rectangular. Only one pipeline can be arranged on the first cooling pipeline 1 between the outlet of the expansion water tank 5 and the water pump 11 and the third flow intercepting device 33 to communicate the expansion water tank 5 with the first cooling pipeline 1, and the pipeline is simultaneously used as a cooling liquid inlet pipe and a cooling liquid outlet pipe of the expansion water tank 5; the expansion water tank 5 and the first cooling pipeline 1 can be communicated through two pipelines, one pipeline is used as a cooling liquid inlet pipe of the expansion water tank 5, the other pipeline is used as a cooling liquid outlet pipe of the expansion water tank 5, and the embodiment of the application is not limited to the two pipelines.
In some embodiments of the present application, in order to facilitate connection and disconnection between the two ends of the first cooling pipeline 1 and the cooling fluid inlet 21 and the cooling fluid outlet 22, the two ends of the first cooling pipeline 1 are connected to the cooling fluid inlet 21 and the cooling fluid outlet 22 by quick plugs. Specifically, the quick-connect plug of buckle formula can be chooseed for use, also the quick-connect plug of screw thread formula can be chooseed for use, and this application embodiment does not prescribe a limit to this.
On this basis, in some embodiments of the present application, a contact sensor is further disposed in the quick-connect plug, the contact sensor is configured to monitor whether both ends of the first cooling pipeline 1 are connected to the cooling liquid inlet 21 and the cooling liquid outlet 22, and the contact sensor is further electrically coupled to the controller 4, and the controller 4 is further configured to obtain a connection state between both ends of the first cooling pipeline 1 and the cooling liquid inlet 21 and the cooling liquid outlet 22.
Specifically, the contact sensor may be a pressure type contact sensor, the pressure type contact sensor may be disposed in the cooling liquid inlet 21, and when the joint of the first cooling pipeline 1 corresponding to one end of the cooling liquid inlet 21 is inserted into the cooling liquid inlet 21, pressure may be applied to the pressure type contact sensor, so that the pressure type contact sensor recognizes that the first cooling pipeline 1 is connected to the cooling liquid inlet 21. Similarly, the connection between the first cooling line 1 and the cooling liquid outlet 22 may be provided by referring to the pressure-type contact sensor described above.
Alternatively, the contact sensor may be a displacement contact sensor, the displacement contact sensor may be provided on an outer wall of the coolant inlet 21, a measurement reference portion may be provided at a corresponding end of the first cooling pipe 1, and the displacement of the reference portion may be measured by the displacement contact sensor to determine whether or not the first cooling pipe is connected to the coolant inlet 21. Similarly, the connection between the first cooling line 1 and the coolant outlet 22 may be provided by referring to the displacement type contact sensor described above.
In this way, the connection state of the two ends of the first cooling pipe 1 to the cooling liquid inlet 21 and the cooling liquid outlet 22 can be obtained by the controller 4, the above-mentioned connection state can be interlocked with the opening or closing of the first cut-off device 31, the second cut-off device 32, the third cut-off device 33, the fourth cut-off device 34, the fifth cut-off device 35, and the sixth cut-off device 36, the connection of the two ends of the first cooling pipe 1 to the cooling liquid inlet 21 and the cooling liquid outlet 22 is set to the above-mentioned necessary condition for the opening of the cut-off devices, and when the two ends of the first cooling pipe 1 are not connected to the cooling liquid inlet 21 and the cooling liquid outlet 22, the above-mentioned cut-off devices cannot be opened, so that the leakage of the cooling liquid can be avoided.
Meanwhile, an embodiment of the present application further provides a method for replacing a liquid-cooled battery pack, which is implemented by using the above-mentioned liquid-cooled system for replacing a battery pack, with reference to fig. 5, including:
controlling the first cut-off device 31, the second cut-off device 32, the third cut-off device 33 and the fourth cut-off device 34 to be closed;
the coolant inlet 21 is detached from the first cooling circuit 1;
detaching the coolant outlet 22 from the first cooling line 1;
and replacing the liquid cooling battery replacement pack.
Specifically, in the case that the cut-off device is manually operated, the cut-off device can be manually closed; in the case where the shut-off device is electrically or pneumatically controlled, the shut-off device may be closed by the controller 4. Then the cooling liquid inlet 21 is detached from the first cooling pipeline 1, the cooling liquid outlet 22 is detached from the first cooling pipeline 1, and finally the liquid cooling battery replacement pack is replaced. In this way, it is possible to keep the cooling liquid in the first cooling line 1 between the third shut-off device 33 and the fourth shut-off device 34 in the first cooling line 1, while keeping the cooling liquid in the second cooling line 2 between the first shut-off device 31 and the second shut-off device 32 in the second cooling line 2. When the liquid cooling battery replacing bag is replaced, leakage of the cooling liquid can be reduced.
On this basis, in some embodiments of the present application, a fifth cut-off device 35 is further provided on the first cooling line 1 between the first cut-off device 31 and the third cut-off device 33, one end of the fifth cut-off device 35 is communicated to the first cooling line 1, and the other end of the fifth cut-off device 35 is communicated to the atmosphere.
Thus, referring to fig. 6, before the step of controlling the closing of the first shut-off device 31, the second shut-off device 32, the third shut-off device 33 and the fourth shut-off device 34, the method further comprises:
controlling the first cut-off device 31, the second cut-off device 32, the fourth cut-off device 34 and the fifth cut-off device 35 to be opened and controlling the third cut-off device 33 to be closed;
and controlling the water pump 11 to operate, and pumping out the cooling liquid at one side of the corresponding battery replacement package between the third cut-off device 33 and the fourth cut-off device 34.
Specifically, before the replacement of the replacement battery pack, the third cut-off device 33 is closed, the first cut-off device 31, the second cut-off device 32, the fourth cut-off device 34 and the fifth cut-off device 35 are opened, the water pump 11 is controlled to operate, so that the cooling liquid in the cooling pipeline on the side, corresponding to the replacement battery pack, between the third cut-off device 33 and the fourth cut-off device 34 is pumped out, and then the third cut-off device 33 is closed. Thereby, the cooling liquid in the cooling pipeline between the third flow intercepting device 33 and the fourth flow intercepting device 34 corresponding to one side of the battery replacing package is pumped out.
Then, the replacement work of the power-change battery pack is carried out, so that zero leakage of the cooling liquid can be realized.
Furthermore, in addition to the above-mentioned fifth shut-off device 35, in other embodiments of the present application, a sixth shut-off device 36 is provided on the first cooling line 1 between the second shut-off device 32 and the fourth shut-off device 34, one end of the sixth shut-off device 36 being connected to the first cooling line 1, and the other end of the sixth shut-off device 36 being connected to the atmosphere.
Thus, referring to fig. 7, before the step of controlling the closing of the first shut-off device 31, the second shut-off device 32, the third shut-off device 33 and the fourth shut-off device 34, the method further comprises:
controlling the third cut-off device 33 and the sixth cut-off device 36 to be closed, and controlling the first cut-off device 31, the second cut-off device 32, the fourth cut-off device 34 and the fifth cut-off device 35 to be opened;
controlling the water pump 11 to operate, and pumping out the cooling liquid between the third flow intercepting device 33 and the first flow intercepting device 31;
controlling the first cut-off device 31, the second cut-off device 32 and the third cut-off device 33 to be closed, and controlling the fourth cut-off device 34 and the sixth cut-off device 36 to be opened;
the water pump 11 is controlled to operate to pump the coolant between the second stop 32 and the fourth stop 34.
Therefore, the cooling liquid between the current cutting device 31 and the second current cutting device 32 of the battery replacement Bao Nadi can be stored in the battery replacement package, and when the battery replacement package is charged in the battery replacement station, the battery package can be cooled by the cooling liquid.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (12)

1. The utility model provides a trade battery package liquid cooling system for to the cooling of trading battery package, its characterized in that includes:
the first cooling pipeline is arranged on the automobile body;
the second cooling pipeline is fixedly arranged in the electricity-exchanging battery pack and used for cooling the electricity-exchanging battery pack, and a cooling liquid inlet and a cooling liquid outlet are formed in two ends of the second cooling pipeline;
two ends of the first cooling pipeline are detachably connected to the cooling liquid inlet and the cooling liquid outlet respectively to form a cooling liquid circulation loop, and a water pump is arranged on the first cooling pipeline and used for driving the cooling liquid to flow along the circulation loop;
the cooling system is characterized in that a first cut-off device is arranged at the cooling liquid inlet, a second cut-off device is arranged at the cooling liquid outlet, a third cut-off device is arranged at one end, close to the cooling liquid inlet, of the first cooling pipeline, and a fourth cut-off device is arranged at one end, close to the cooling liquid outlet, of the first cooling pipeline.
2. The battery replacement pack liquid cooling system as claimed in claim 1, wherein a fifth flow stopping device is arranged on the first cooling pipeline between the first flow stopping device and the third flow stopping device, and one end of the fifth flow stopping device is communicated to the first cooling pipeline, and the other end of the fifth flow stopping device is communicated to the atmosphere.
3. The battery replacement pack liquid cooling system as claimed in claim 2, wherein a sixth cut-off device is arranged on the first cooling pipeline between the second cut-off device and the fourth cut-off device, and one end of the sixth cut-off device is communicated to the first cooling pipeline, and the other end of the sixth cut-off device is communicated to the atmosphere.
4. The battery swapping package liquid cooling system of claim 3, wherein the first shut-off device, the second shut-off device, the third shut-off device, the fourth shut-off device, the fifth shut-off device, and the sixth shut-off device are solenoid valves.
5. The battery swapping pack liquid cooling system of claim 4, further comprising a controller, wherein the first, second, third, fourth, fifth, and sixth flow cut-off devices are electrically coupled to the controller, and wherein the controller is configured to control the opening or closing of the first, second, third, and fourth, fifth, and sixth flow cut-off devices.
6. The battery change pack liquid cooling system of claim 5, further comprising an expansion tank connected to the first cooling line between the outlet of the water pump and the third shut-off device.
7. The battery replacement pack liquid cooling system of claim 6, wherein two ends of the first cooling pipeline are detachably connected to the cooling liquid inlet and the cooling liquid outlet through quick plugs, respectively.
8. The battery replacement pack liquid cooling system as claimed in claim 7, wherein a contact sensor is provided in the quick-connect plug, the contact sensor is configured to monitor whether both ends of the first cooling pipeline are connected to the cooling liquid inlet and the cooling liquid outlet, the contact sensor is electrically coupled to the controller, and the controller is further configured to obtain a connection state between both ends of the first cooling pipeline and the cooling liquid inlet and the cooling liquid outlet.
9. A method for replacing a liquid-cooled battery replacement pack is realized by using the liquid-cooled system for the battery replacement pack as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
controlling the first, second, third, and fourth cut-off devices to close;
detaching the coolant inlet from the first cooling line;
detaching the coolant outlet from the first cooling line;
and replacing the liquid cooling battery replacement pack.
10. The liquid cooled replacement battery pack replacement method of claim 9, comprising:
a fifth flow interception device is arranged on the first cooling pipeline between the first flow interception device and the third flow interception device, one end of the fifth flow interception device is communicated to the first cooling pipeline, and the other end of the fifth flow interception device is communicated to the atmosphere;
prior to the step of controlling the closing of the first, second, third, and fourth flow stops, further comprising:
controlling the first cut-off device, the second cut-off device, the fourth cut-off device and the fifth cut-off device to be opened and controlling the third cut-off device to be closed;
and controlling the water pump to operate, and pumping out the cooling liquid on one side of the corresponding battery replacement pack between the third cut-off device and the fourth cut-off device.
11. The liquid cooled replacement battery pack replacement method of claim 9, comprising:
arranging a fifth flow interception device on the first cooling pipeline between the first flow interception device and the third flow interception device, wherein one end of the fifth flow interception device is communicated to the first cooling pipeline, and the other end of the fifth flow interception device is communicated to the atmosphere;
a sixth flow interception device is arranged on the first cooling pipeline between the second flow interception device and the fourth flow interception device, one end of the sixth flow interception device is communicated to the first cooling pipeline, and the other end of the sixth flow interception device is communicated to the atmosphere;
prior to the step of controlling the closing of the first, second, third and fourth shut-off devices, further comprising:
controlling the third cut-off device and the sixth cut-off device to be closed and controlling the first cut-off device, the second cut-off device, the fourth cut-off device and the fifth cut-off device to be opened;
controlling the water pump to operate, and pumping out the cooling liquid between the third cut-off device and the first cut-off device;
controlling the first cut-off device, the second cut-off device and the third cut-off device to be closed and controlling the fourth cut-off device and the sixth cut-off device to be opened;
and controlling the water pump to operate, and pumping out the cooling liquid between the second cut-off device and the fourth cut-off device.
12. An automobile is characterized by comprising the battery replacement package liquid cooling system as claimed in any one of claims 1 to 8, wherein the first cooling pipeline is arranged on the automobile body, the second cooling pipeline is fixedly arranged in the battery replacement package, and the battery replacement package is detachably connected to the automobile.
CN202210630550.6A 2022-06-06 2022-06-06 Liquid cooling system for battery replacement pack, liquid cooling battery replacement pack replacement method and automobile Pending CN115241559A (en)

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Application Number Priority Date Filing Date Title
CN202210630550.6A CN115241559A (en) 2022-06-06 2022-06-06 Liquid cooling system for battery replacement pack, liquid cooling battery replacement pack replacement method and automobile

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206585092U (en) * 2017-01-24 2017-10-24 上海蔚来汽车有限公司 Connector assembly and the battery connecting system including it
CN108313026A (en) * 2018-01-05 2018-07-24 蔚来汽车有限公司 The battery change method of electric vehicle
CN111864301A (en) * 2020-07-20 2020-10-30 浙江吉智新能源汽车科技有限公司 Water distribution device of battery cooling system of battery replacement station
CN112124139A (en) * 2020-09-04 2020-12-25 东风汽车集团有限公司 Battery replacement and charging control method and device for electric vehicle
CN113022365A (en) * 2019-12-23 2021-06-25 北京新能源汽车股份有限公司 Cooling circuit for liquid cooling battery replacement
CN113629310A (en) * 2020-05-07 2021-11-09 比亚迪股份有限公司 Battery thermal management system, vehicle and charging station

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206585092U (en) * 2017-01-24 2017-10-24 上海蔚来汽车有限公司 Connector assembly and the battery connecting system including it
CN108313026A (en) * 2018-01-05 2018-07-24 蔚来汽车有限公司 The battery change method of electric vehicle
CN113022365A (en) * 2019-12-23 2021-06-25 北京新能源汽车股份有限公司 Cooling circuit for liquid cooling battery replacement
CN113629310A (en) * 2020-05-07 2021-11-09 比亚迪股份有限公司 Battery thermal management system, vehicle and charging station
CN111864301A (en) * 2020-07-20 2020-10-30 浙江吉智新能源汽车科技有限公司 Water distribution device of battery cooling system of battery replacement station
CN112124139A (en) * 2020-09-04 2020-12-25 东风汽车集团有限公司 Battery replacement and charging control method and device for electric vehicle

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