CN110350266A - A kind of battery liquid cooling system and battery - Google Patents
A kind of battery liquid cooling system and battery Download PDFInfo
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- CN110350266A CN110350266A CN201910495829.6A CN201910495829A CN110350266A CN 110350266 A CN110350266 A CN 110350266A CN 201910495829 A CN201910495829 A CN 201910495829A CN 110350266 A CN110350266 A CN 110350266A
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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
-
- 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
- H01M10/63—Control systems
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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
- H01M10/65—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to a kind of battery liquid cooling system and batteries, and the system comprises connecting pipe, liquid cooling case, liquid pump, heat-exchanger rig, three-way device and check devices；The three-way device is equipped with first port, second port and third port, the second port is connect with the liquid pump, the third port is connect with the liquid cooling case, the liquid cooling case is connect by the liquid pump with the heat-exchanger rig liquid feeding end, and the heat-exchanger rig outlet end is connect by the connecting pipe with the first port；The check device is for preventing coolant liquid adverse current, the check device includes the first non return part, the second non return part and third non return part, first non return part is arranged between the second port and the liquid pump, second non return part is arranged between three port and the liquid cooling case, and the third non return part is arranged in the connecting pipe.The present invention is capable of the coolant liquid of recycling and reusing leakage, and coolant liquid is avoided to continue to leak, and improves safety, energy saving.
Description
Technical field
The present invention relates to field of new energy technologies, in particular to a kind of battery liquid cooling system and battery.
Background technique
As the increasingly depleted and people of the fossil energies such as petroleum, coal and natural gas are to the growing interest of environmental problem,
Especially auto manufacturing, be faced with it is great prepare for the postgraduate qualifying examination, need new-energy automobile replace traditional fuel automobile.
Most of new-energy automobile uses main energy sources form of the power battery pack as new-energy automobile, property in the market
Can directly affect new-energy automobile overall performance therefore many large sizes automobile manufacture commercial city using power battery pack as
The project of important research and development.
Power battery pack liquid cooling system includes power battery box, power supply, water pump and liquid cooling case, wherein power battery box
Including battery modules, liquid cooling pipeline, temperature sensing assembly and it is wrapped in external outer case, liquid cooling case, water pump and battery are dynamic
Liquid cooling pipeline in power case is connected in series.Power battery pack liquid cooling system can effectively manage the temperature of battery modules, can
It works under optimum temperature, promotes battery performance to greatest extent, therefore entire liquid cooling system is caused to become complicated and fragile, make
Liquid cooling system liquid cooling pipeline deformed by external force extruding or impurity blocking liquid cooling pipeline and cause it inside pressure
Power increase, due to extra pressure can not removal, eventually lead to liquid cooling pipe road and burst；Again or because the vibration of high frequency is made
It loosens and leaks at liquid cooling system interface, lead to the reduction of outer case interior insulation grade, generate electric shock hidden danger.
A kind of power battery pack liquid cooling system with high safety factor is provided in Patent No. CN201821202323.9
System, can block in liquid cooling pipeline, pipeline inner pressure is caused to rise, will be original using return valve when destroying liquid cooling loop
The coolant liquid for needing to enter liquid cooling pipe in battery case, drains back liquid cooling case, avoids the impact to internal blocking pipeline, while
Coolant liquid can provide warning function when leaking, to improve the safety of system；But it can not prevent in battery pack
Coolant liquid continues to leak, while can only lean on external complement coolant liquid, wastes coolant liquid.
In order to solve problem above, the problem of studying new battery liquid cooling system, being those skilled in the art institute urgent need to resolve.
Summary of the invention
In view of the above problems in the prior art, it the purpose of the present invention is to provide a kind of battery liquid cooling system, can recycle
The coolant liquid of leakage, avoids coolant liquid from leaking to inside battery pack, improves the safety of battery pack, while can recycle leakage
Coolant liquid, it is energy saving, reduce cost.
To solve the above-mentioned problems, the present invention provides a kind of battery liquid cooling system, comprising: connecting pipe, liquid cooling case, liquid
Pump, heat-exchanger rig, three-way device and check device；
The three-way device is equipped with first port, second port and third port, and the second port and the liquid pump connect
It connects, the third port is connect with the liquid cooling case, and the liquid cooling case is connected by the liquid pump and the heat-exchanger rig liquid feeding end
It connects, the heat-exchanger rig outlet end is connect by the connecting pipe with the first port；
For the check device for preventing coolant liquid adverse current, the check device includes the first non return part, the second non return part
With third non return part, first non return part is arranged between the second port and the liquid pump, and second non return part is set
It sets between three port and the liquid cooling case, the third non return part is arranged in the connecting pipe.
Further, the liquid cooling case is equipped with liquid level sensor, for detecting the storage capacity of coolant liquid in the liquid cooling case.
Further, the system also includes controller, the liquid pump and the check device are electric with the controller
Connection.
Further, the liquid pump is two-way pump.
Further, the check device is check valve.
Another aspect of the present invention also protects a kind of battery liquid cooling system, comprising: connecting pipe, liquid cooling case, liquid pump, heat exchange dress
It sets and three-way device, the three-way device is equipped with first port, second port and third port, the Single port, described second
Port and the third port can open or close, and the second port is connect with the liquid pump, the third port and institute
The connection of liquid cooling case is stated, the liquid cooling case is connect by the liquid pump with the heat-exchanger rig liquid feeding end, and the heat-exchanger rig goes out liquid
End is connect by the connecting pipe with the first port.
Further, the liquid cooling case is equipped with liquid level sensor, for detecting the storage capacity of coolant liquid in the liquid cooling case.
Further, the system also includes controller, the liquid pump and the three-way device are electric with the controller
Connection.
Further, the liquid pump is two-way pump.
Another aspect of the present invention also protects a kind of battery, including cell device and the battery liquid cooling system, the system
System is arranged in the battery, for cooling down the cell device.
Due to above-mentioned technical proposal, the invention has the following advantages:
1) a kind of battery liquid cooling system of the invention, can recycle the coolant liquid of leakage, coolant liquid is avoided to leak to battery
Packet is internal, improves the safety of battery pack.
2) a kind of battery liquid cooling system of the invention, be capable of recycling and reusing leakage coolant liquid, it is energy saving, reduce at
This.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is that the embodiment of the present invention provides one battery liquid cooling system and the structural schematic diagram of battery；
Fig. 2 is that the embodiment of the present invention provides two battery liquid cooling system and the structural schematic diagram of battery；
Fig. 3 is that the embodiment of the present invention provides three battery liquid cooling system and the structural schematic diagram of battery；
Fig. 4 is that the embodiment of the present invention provides four battery liquid cooling system and the structural schematic diagram of battery.
Wherein, 1- connecting pipe, 2- liquid cooling case, 3- liquid pump, 4- heat-exchanger rig, 5- three-way device, 6- check device, 61-
First non return part, the second non return part of 62-, 63- third non return part, 7- heater, 8- second temperature detection device, 9- battery member
Part, 91- battery modules, the first temperature-detecting device of 92-, 93- liquid cooling plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one implementation of the invention
A particular feature, structure, or characteristic.In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for retouching
Purpose is stated, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.By
This defines " first ", the feature of " second " can be expressed or what is implied includes one or more of the features.Moreover,
Term " first ", " second " etc. are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein can be to remove
Sequence other than those of illustrating or describe herein is implemented.
Embodiment one
The present embodiment one provides a kind of battery liquid cooling system and battery, as shown in Figure 1:
The system comprises: connecting pipe 1, liquid cooling case 2, liquid pump 3, heat-exchanger rig 4, three-way device 5 and check device 6；
The three-way device 5 is equipped with first port, second port and third port, the second port and the liquid pump 3
Connection, the third port connect with the liquid cooling case 2, the liquid cooling case 2 pass through the liquid pump 3 and the heat-exchanger rig 4 into
The connection of liquid end, the heat-exchanger rig 4 are connect by the connecting pipe 1 with the first port；
For preventing coolant liquid adverse current, the check device 6 stops the check device 6 including the first non return part 61, second
Part 62 and third non return part 63 are returned, first non return part 61 is arranged between the second port and the liquid pump 3, and described the
Two non return parts 62 are arranged between three port and the liquid cooling case 2, and the third non return part 63 is arranged in the connecting tube
On road 1.
Preferably, the liquid cooling case 2 is equipped with liquid level sensor 21, for detecting the storage of the coolant liquid in the liquid cooling case 2
Storage.
Preferably, the liquid pump 3 is two-way pump.
Preferably, the heat-exchanger rig 4 is heat exchanger.
Preferably, the check device 6 is check valve.
Specifically, the system also includes controller, the liquid pump 2, the liquid level sensor 21 and the check devices 6
It is electrically connected with the controller.
The battery includes cell device 9 and battery liquid cooling system described above, and the system is arranged in the battery
It is interior, for cooling down the cell device 9.
Specifically, the cell device 9 is electrically connected with the controller, the cell device 9 include: battery modules 91,
First temperature-detecting device 92 and liquid cooling plate 93；The temperature-detecting device 92 is electrically connected with the battery modules 91, for examining
Survey the temperature of the battery modules 91；The liquid cooling plate 93 is connect with the battery modules 91, for cooling down the battery modules
91。
Specifically, when battery liquid cooling system works normally, the coolant liquid in the liquid cooling case 2 is taken out by the liquid pump 2
It takes to the heat-exchanger rig 4, the heat-exchanger rig 4 is connect with the connecting pipe 1, and the connecting pipe 1 passes through the liquid cooling
Plate 93, the liquid cooling plate 93 are connect with the battery modules 91, and the cooling battery modules 91 make its temperature be maintained at normal
Operating temperature, and checked by first temperature-detecting device 92, the connecting pipe 1 connects with the first port
It connects, the coolant liquid passes through the first port, flows into the liquid cooling case 2 by the third port, forms the work of coolant liquid
Make path, guarantees normal battery operation.
Specifically, when battery liquid cooling system detects, the liquid level sensor 21 is by checking the liquid in the liquid cooling case 2
Position, when the liquid level in the liquid cooling case 2 is lower than preset value, there are leakage phenomenon, the controllers to close described second for battery
Non return part 62 and the third non return part 63 guarantee that the coolant liquid cannot flow into the cell device 9, while the control
Device opens first non return part 61, and the controller controls the liquid pump 3 and draws back cooling in the cell device 9
Liquid, the liquid pump 3 also extract the heat-exchanger rig 4 and the coolant liquid in the connecting pipe 1, guarantee that the coolant liquid is recycled to
In the liquid cooling case 2, the leakage of coolant liquid can be prevented, coolant liquid is recycled in the liquid cooling case 2, institute can be utilized again
The coolant liquid in liquid cooling case 2 is stated, it is energy saving.
The present embodiment one provides a kind of battery liquid cooling system and battery, and the control in coolant liquid path is carried out using check device
System, can recycle the coolant liquid of leakage, coolant liquid is avoided to leak to inside battery pack, improve the safety of battery pack, while energy
Enough coolant liquids for recycling leakage, it is energy saving, reduce cost.
Embodiment two
The present embodiment two provides a kind of battery liquid cooling system and battery, as shown in Figure 2:
The system comprises: connecting pipe 1, liquid pump 3, heat-exchanger rig 4, three-way device 5, check device 6, adds liquid cooling case 2
Hot device 7 and second temperature detection device 8；
The three-way device 5 is equipped with first port, second port and third port, the first port and the battery pack
1 outlet end connection, the second port are connect with the liquid pump 3, and the third port is connect with the liquid cooling case 2, described
Liquid cooling case 2 is connect by the liquid pump 3 with 4 liquid feeding end of heat-exchanger rig, 4 outlet end of heat-exchanger rig and the battery pack
The connection of 1 liquid feeding end；
For preventing coolant liquid adverse current, the check device 6 stops the check device 6 including the first non return part 61, second
Part 62 and third non return part 63 are returned, first non return part 61 is arranged between the second port and the liquid pump 3, and described the
Two non return parts 62 are arranged between three port and the liquid cooling case 2, and the third non return part 63 is arranged in the connecting tube
On road 1.
Preferably, the liquid cooling case 2 is equipped with liquid level sensor 21, for detecting the storage of the coolant liquid in the liquid cooling case 2
Storage.
Preferably, the liquid pump 3 is two-way pump.
Preferably, the heat-exchanger rig 4 is heat exchanger.
Preferably, the check device 6 is check valve.
Specifically, the system also includes controller, the liquid pump 2, the liquid level sensor 21 and the check devices 6
It is electrically connected with the controller.
Preferably, the heater 7 is arranged between the heat-exchanger rig 4 and the liquid feeding end of the battery pack 1, for adding
Liquid cooled heat.
Preferably, the heater 7 is ptc heater.
Preferably, the second temperature detection device 8 is arranged in the connecting pipe 1, flows into the connection for detecting
The temperature of coolant liquid in pipeline 1.
The battery includes cell device 9 and battery liquid cooling system described above, and the system is arranged in the battery
It is interior, for cooling down the cell device 9.
Specifically, the cell device 9 is electrically connected with the controller, the cell device 9 include: battery modules 91,
First temperature-detecting device 92 and liquid cooling plate 93；The temperature-detecting device 92 is electrically connected with the battery modules 91, for examining
Survey the temperature of the battery modules 91；The liquid cooling plate 93 is connect with the battery modules 91, for cooling down the battery modules
91。
Specifically, when battery liquid cooling system works normally, the coolant liquid in the liquid cooling case 2 is taken out by the liquid pump 2
It takes to the heat-exchanger rig 4, the heat-exchanger rig 4 is connect with the connecting pipe 1, and the connecting pipe 1 passes through the liquid cooling
Plate 93, the liquid cooling plate 93 are connect with the battery modules 91, and the cooling battery modules 91 make its temperature be maintained at normal
Operating temperature, and checked by first temperature-detecting device 92, the connecting pipe 1 connects with the first port
It connects, the coolant liquid passes through the first port, flows into the liquid cooling case 2 by the third port, forms the work of coolant liquid
Make path, guarantees normal battery operation, simultaneously because the heater 7 is arranged, when the too low needs of 91 temperature of battery modules
When improving temperature, temperature can be improved by 7 heated cooling fluid of heater, improve efficiency, reduce energy waste.
Specifically, when the detection of battery liquid cooling system, the liquid level sensor 21 is by checking in the liquid cooling case 2
Liquid level, when the liquid level in the liquid cooling case 2 is lower than preset value, for battery there are leakage phenomenon, the controller closes described the
Two non return parts 62 and the third non return part 63 guarantee that the coolant liquid cannot flow into the cell device 9, while the control
Device processed opens first non return part 61, and the controller controls the liquid pump 3 and draws back cooling in the cell device 9
Liquid, the liquid pump 3 also extract the coolant liquid in the heat-exchanger rig 4 and the connecting pipe 1, guarantee that the coolant liquid is recycled to
In the liquid cooling case 2, the leakage of coolant liquid can be prevented, coolant liquid is recycled in the liquid cooling case 2, institute can be utilized again
The coolant liquid in liquid cooling case 2 is stated, it is energy saving, due to being equipped with the second temperature detection device 8, examined by the second temperature
Survey device 8 detects coolant temperature and first temperature-detecting device 92 in the connecting pipe 1 and is compared, can be whole
The temperature for regulating and controlling battery, enables battery accurately to guarantee under ideal operating temperature.
The present embodiment two and the difference of embodiment one are, increase heater and second temperature detection device, can be electricity
Pond provides heating function and the accurately temperature of control battery, increases the functionality of system, and it is cold to use check device to carry out
But the control of fluid path diameter can recycle the coolant liquid of leakage, coolant liquid is avoided to leak to inside battery pack, improve the peace of battery pack
Quan Xing, while the coolant liquid of leakage can be recycled, it is energy saving, reduce cost.
Embodiment three
The present embodiment three provides a kind of battery liquid cooling system and battery, as shown in figure 3,
The system comprises: connecting pipe 1, liquid cooling case 2, liquid pump 3, heat-exchanger rig 4 and three-way device 5；
The three-way device 5 is equipped with first port, second port and third port, the Single port, the second port
It can be opened or closed with the third port, the second port is connect with the liquid pump 3, the third port and the liquid
Ice chest 2 connects, and the liquid cooling case 2 is connect by the liquid pump 3 with 4 liquid feeding end of heat-exchanger rig, and the heat-exchanger rig 4 passes through
The connecting pipe 1 is connect with the first port.
Preferably, the liquid cooling case 2 is equipped with liquid level sensor 21, for detecting the storage of the coolant liquid in the liquid cooling case 2
Storage.
Preferably, the liquid pump 3 is two-way pump.
Preferably, the heat-exchanger rig 4 is heat exchanger.
Preferably, the system also includes controller, the liquid pump 2, the liquid level sensor 21 and the three-way devices 5
It is electrically connected with the controller.
The battery includes cell device 9 and battery liquid cooling system described above, and the system is arranged in the battery
It is interior, for cooling down the cell device 9.
Specifically, the cell device 9 is electrically connected with the controller, the cell device 9 include: battery modules 91,
First temperature-detecting device 92 and liquid cooling plate 93；The temperature-detecting device 92 is electrically connected with the battery modules 91, for examining
Survey the temperature of the battery modules 91；The liquid cooling plate 93 is connect with the battery modules 91, for cooling down the battery modules
91。
Specifically, when battery liquid cooling system works normally, the coolant liquid in the liquid cooling case 2 is taken out by the liquid pump 2
It takes to the heat-exchanger rig 4, the heat-exchanger rig 4 is connect with the connecting pipe 1, and the connecting pipe 1 passes through the liquid cooling
Plate 93, the liquid cooling plate 93 are connect with the battery modules 91, and the cooling battery modules 91 make its temperature be maintained at normal
Operating temperature, and checked by first temperature-detecting device 92, the connecting pipe 1 connects with the first port
It connects, the coolant liquid passes through the first port, flows into the liquid cooling case 2 by the third port, forms the work of coolant liquid
Make path, guarantees normal battery operation.
Specifically, when battery liquid cooling system detects, the liquid level sensor 21 is by checking the liquid in the liquid cooling case 2
Position, when the liquid level in the liquid cooling case 2 is lower than preset value, there are leakage phenomenon, the controllers to control the third for battery
Port closed and the second port are opened, guarantee the controller control the liquid pump 2 draw back it is cold in the cell device 9
But liquid is to the liquid cooling case 2, meanwhile, the controller controls the liquid pump 2 and draws back the heat-exchanger rig 4 and the connecting pipe
Coolant liquid in 1 guarantees to flow into the cell device 9 without coolant liquid, can prevent the leakage of coolant liquid, coolant liquid is recycled
It, can be energy saving again using the coolant liquid in the liquid cooling case 2 in the liquid cooling case 2.
The present embodiment three and the difference of embodiment one are, pass through opening or closing for three-way device three ends of control, energy
The coolant liquid of enough recycling leakages, avoids coolant liquid from leaking to inside battery pack, improves the safety of battery pack, reduce answering for system
Polygamy, while the coolant liquid of leakage can be recycled, it is energy saving, reduce cost.
Example IV
The present embodiment four provides a kind of battery liquid cooling system, as shown in figure 4,
The system comprises: connecting pipe 1, liquid cooling case 2, liquid pump 3, heat-exchanger rig 4, three-way device 5, heater 7 and
Two temperature-detecting devices 8；
The three-way device 5 is equipped with first port, second port and third port, the Single port, the second port
It can be opened or closed with the third port, the second port is connect with the liquid pump 3, the third port and the liquid
Ice chest 2 connects, and the liquid cooling case 2 is connect by the liquid pump 3 with 4 liquid feeding end of heat-exchanger rig, and the heat-exchanger rig 4 passes through
The connecting pipe 1 is connect with the first port.
Preferably, the liquid cooling case 2 is equipped with liquid level sensor 21, for detecting the storage of the coolant liquid in the liquid cooling case 2
Storage.
Preferably, the liquid pump 3 is two-way pump.
Preferably, the heat-exchanger rig 4 is heat exchanger.
Preferably, the heater 7 is arranged between the heat-exchanger rig 4 and the liquid feeding end of the battery pack 1, for adding
Liquid cooled heat.
Preferably, the heater 7 is ptc heater.
Preferably, the second temperature detection device 8 is arranged in the connecting pipe 1, flows into the company for detecting
The temperature of coolant liquid in adapter tube road 1.
Preferably, the system also includes liquid pump 2, the liquid level sensor 21 described in controller and the three-way devices 5
It is electrically connected with the controller.
The battery includes cell device 9 and battery liquid cooling system described above, and the system is arranged in the battery
It is interior, for cooling down the cell device 9.
Specifically, the cell device 9 is electrically connected with the controller, the cell device 9 include: battery modules 91,
First temperature-detecting device 92 and liquid cooling plate 93；The temperature-detecting device 92 is electrically connected with the battery modules 91, for examining
Survey the temperature of the battery modules 91；The liquid cooling plate 93 is connect with the battery modules 91, for cooling down the battery modules
91。
Specifically, when battery liquid cooling system works normally, the coolant liquid in the liquid cooling case 2 is taken out by the liquid pump 2
It takes to the heat-exchanger rig 4, the heat-exchanger rig 4 is connect with the connecting pipe 1, and the connecting pipe 1 passes through the liquid cooling
Plate 93, the liquid cooling plate 93 are connect with the battery modules 91, and the cooling battery modules 91 make its temperature be maintained at normal
Operating temperature, and checked by first temperature-detecting device 92, the connecting pipe 1 connects with the first port
It connects, the coolant liquid passes through the first port, flows into the liquid cooling case 2 by the third port, forms the work of coolant liquid
Make path, guarantees normal battery operation, simultaneously because the heater 7 is arranged, when the too low needs of 91 temperature of battery modules
When improving temperature, temperature can be improved by 7 heated cooling fluid of heater, improve efficiency, reduce energy waste.
Specifically, when battery liquid cooling system detects, the liquid level sensor 21 is by checking the liquid in the liquid cooling case 2
Position, when the liquid level in the liquid cooling case 2 is lower than preset value, there are leakage phenomenon, the controllers to control the third for battery
Port closed and the second port are opened, guarantee the controller control the liquid pump 2 draw back it is cold in the cell device 9
But liquid is to the liquid cooling case 2, meanwhile, the controller controls the liquid pump 2 and draws back the heat-exchanger rig 4 and the connecting pipe
Coolant liquid in 1 guarantees to flow into the cell device 9 without coolant liquid, can prevent the leakage of coolant liquid, coolant liquid is recycled
, can be energy saving again using the coolant liquid in the liquid cooling case 2 in the liquid cooling case 2, due to being equipped with second temperature
Detection device 8 is spent, coolant temperature and described first in the connecting pipe 1 is detected by the second temperature detection device 8
Temperature-detecting device 92 is compared, and can integrally regulate and control the temperature of battery, and battery is enable accurately to guarantee preferably working
At a temperature of.
The present embodiment three and the difference of example IV are, increase heater and second temperature detection device, can be electricity
Pond provides heating function and the accurately temperature of control battery, increases the functionality of system, and pass through control three-way device three
A end opens or closes, and can recycle the coolant liquid of leakage, coolant liquid is avoided to leak to inside battery pack, improve battery pack
Safety reduces the complexity of system, while can recycle the coolant liquid of leakage, energy saving, reduces cost.
Above description sufficiently discloses a specific embodiment of the invention.It should be pointed out that being familiar with the field
Range of any change that technical staff does a specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (10)
1. a kind of battery liquid cooling system, comprising: connecting pipe (1), liquid cooling case (2), liquid pump (3), heat-exchanger rig (4), feature
It is, further includes: three-way device (5) and check device (6)；
The three-way device (5) is equipped with first port, second port and third port, institute's second port and the liquid pump
(3) it connects, the third port is connect with the liquid cooling case (2), and the liquid cooling case (2) is changed by the liquid pump (3) with described
The connection of thermal (4) liquid feeding end, heat-exchanger rig (4) outlet end are connected by the connecting pipe (1) and the first port
It connects；
For the check device (6) for preventing coolant liquid adverse current, the check device (6) includes the first non return part (61), second
Non return part (62) and third non return part (61), first non return part (61) are arranged in the second port and the liquid pump (3)
Between, second non return part (62) is arranged between three port and the liquid cooling case (2), the third non return part (63)
It is arranged on the connecting pipe (1).
2. a kind of battery liquid cooling system according to claim 1, which is characterized in that the liquid cooling case (2) passes equipped with liquid level
Sensor (21), for detecting the storage capacity of the interior coolant liquid of the liquid cooling case (2).
3. a kind of battery liquid cooling system according to claim 1, which is characterized in that the system also includes controller, institutes
It states liquid pump (3) and the check device (6) is electrically connected with the controller.
4. a kind of battery liquid cooling system according to claim 3, which is characterized in that the liquid pump (3) is two-way pump.
5. a kind of battery liquid cooling system according to claim 1, which is characterized in that the check device (6) is check valve.
6. a kind of battery liquid cooling system, comprising: connecting pipe packet (1), liquid cooling case (2), liquid pump (3), heat-exchanger rig (4), it is special
Sign is, further includes: three-way device (5), the three-way device (5) is equipped with first port, second port and third port, described
Single port, the second port and the third port can open or close, and the second port and the liquid pump (3) are even
It connects, the third port is connect with the liquid cooling case (2), and the liquid cooling case (2) passes through the liquid pump (3) and the heat-exchanger rig
(4) liquid feeding end connects, and heat-exchanger rig (4) outlet end is connect by the connecting pipe (1) with the first port.
7. a kind of battery liquid cooling system according to claim 7, which is characterized in that the liquid cooling case (2) passes equipped with liquid level
Sensor (21), for detecting the storage capacity of the interior coolant liquid of the liquid cooling case (2).
8. a kind of battery liquid cooling system according to claim 7, which is characterized in that the system also includes controller, institutes
It states liquid pump (3) and the three-way device (5) is electrically connected with the controller.
9. a kind of battery liquid cooling system according to claim 9, which is characterized in that the liquid pump (3) is two-way pump.
10. a kind of battery, which is characterized in that including cell device (9) and the electricity as described in 1-9 any one of claim
Pond liquid cooling system, the system is arranged in the battery, for cooling down the cell device (9).
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| CN201910495829.6A CN110350266B (en) | 2019-06-10 | 2019-06-10 | Battery liquid cooling system and battery |
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| CN115324712A (en) * | 2022-09-06 | 2022-11-11 | 中广核工程有限公司 | Cooling liquid filling and discharging system |
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| DE102023001636A1 (en) | 2022-05-07 | 2023-11-09 | Mercedes-Benz Group AG | Cooling system to protect a vehicle's battery pack in the event of a coolant leak |
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