CN109638385A - Lithium-ion battery systems and lithium ion battery temprature control method - Google Patents
Lithium-ion battery systems and lithium ion battery temprature control method Download PDFInfo
- Publication number
- CN109638385A CN109638385A CN201910058003.3A CN201910058003A CN109638385A CN 109638385 A CN109638385 A CN 109638385A CN 201910058003 A CN201910058003 A CN 201910058003A CN 109638385 A CN109638385 A CN 109638385A
- Authority
- CN
- China
- Prior art keywords
- gas
- temperature
- cabinet
- recycling plant
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- 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
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Materials Engineering (AREA)
Abstract
This application involves a kind of lithium-ion battery systems and lithium ion battery temprature control methods.The lithium-ion battery systems include battery pack and temperature control device of vehicle.The battery pack includes multiple single batteries and cabinet, and multiple single batteries are arranged at intervals in the cabinet, and the cabinet opens up the first opening and the second opening.The temperature control device of vehicle includes gas-recycling plant, the gas-recycling plant and first open communication, for injecting gas to first opening, to adjust the temperature of the box house.The lithium-ion battery systems provided by the present application can effectively solve the problem that the non-uniform problem of box interior temperature described in charging and use process.
Description
Technical field
This application involves field of lithium ion battery, more particularly to a kind of lithium-ion battery systems and lithium ion battery temperature
Control method.
Background technique
Lithium ion battery is widely used in the industries such as New-energy electric vehicle with advances in technology.Lithium ion battery is made
It is needed by way of serial or parallel connection when in use for power battery, the superposition of a certain number of single batteries is assembled in one
It rises, forms battery modules, then battery modules are installed in Battery case again, ultimately form battery pack.
Since there are certain internal resistances for lithium ion battery, in use, lithium ion battery itself can generate certain heat
Amount.When a certain number of lithium ion batteries are superimposed, inside battery modules, i.e., the heat between battery and battery will
It builds up, leads to different zones, the temperature difference of battery modules is larger, and peripheral temperature is relatively low, and internal temperature is higher, which forms
The inhomogeneities in temperature field in battery case.
And the inhomogeneities in temperature field will directly affect battery and performance in battery case.With lithium ion battery
For charging process, battery temperature is high, and inside battery active material liveness is high, and the internal resistance of cell becomes smaller, and charge-discharge performance is good, fills
The electric time is short, and battery is comparatively fast fully charged；Battery temperature is low, and inside battery active material liveness is low, and the internal resistance of cell becomes larger, charge and discharge
Poor electrical performance, the charging time is long, and battery is relatively slow fully charged.When the fast battery that charges in battery modules is first full of, battery modules
The phenomenon that other batteries will also stop charging, and the battery that this is occurred as soon as is fully charged, and some battery capacities are not full of, to lead
Electricity is unbalanced between the cause each battery of battery modules.Since the permanent uneven distribution in temperature field in battery case causes battery
Performance is unbalanced between each single battery of mould group, finally will have a direct impact on the service life and performance of battery, serious to will lead to
There is safety problem in battery system.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of lithium-ion battery systems and the control of lithium ion battery temperature
Method.
A kind of lithium-ion battery systems, comprising:
Battery pack, including multiple single batteries and cabinet, multiple single batteries are arranged at intervals in the cabinet, institute
It states cabinet and opens up the first opening and the second opening；
Temperature control device of vehicle, including gas-recycling plant, the gas-recycling plant and first open communication, are used for
To the first opening injection gas, to adjust the temperature of the box house.
The temperature control device of vehicle includes: in one of the embodiments,
Temperature-detecting device is set in the cabinet, for detecting the temperature of the single battery；
Control device is connect with the gas-recycling plant and the temperature-detecting device signal, for according to monomer electricity
The temperature in pond controls the gas-recycling plant work.
The temperature control device of vehicle in one of the embodiments, further include:
Heating device is connected between the gas-recycling plant and first opening, follows for heating the gas
The gas that loop device generates；
The heating device is connect with the control device signal, and the control device is used for according to the single battery
Temperature controls the heating device work.
The temperature control device of vehicle in one of the embodiments, further include:
Cooling device is connected between the gas-recycling plant and first opening, follows for cooling down the gas
The gas that loop device generates；
The cooling device is connect with the control device signal, and the control device is used for according to the single battery
Temperature controls the cooling device work.
The temperature control device of vehicle in one of the embodiments, further include:
Filter device is connected between the gas-recycling plant and first opening, follows for filtering the gas
The gas that loop device generates.
Second opening is connected to the air inlet of the gas-recycling plant in one of the embodiments,.
First opening is opened in two phases of the cabinet with second opening respectively in one of the embodiments,
Pair face, and the extending direction of the single battery be parallel to it is described first opening and it is described second opening line direction.
Multiple single battery intervals settings of the lithium-ion battery systems provided by the embodiments of the present application with it is described
In cabinet, the cabinet opens up the first opening and the second opening.The lithium-ion battery systems further include gas-recycling plant, institute
State gas-recycling plant and first open communication.Gas is injected to first opening by the gas-recycling plant,
So that concurrent heat exchange of circulating in the gap that gas is formed between the single battery, so that described in the cabinet
The temperature of single battery is uniform, improves the uniformity in temperature field in the cabinet.The lithium ion provided by the embodiments of the present application
Battery system can effectively solve the problem that lithium ion battery is charging and making caused by non-uniform temperature in Battery case in use process
With the problems such as service life is short, poor safety performance.
A kind of basis lithium-ion battery systems as described above carry out temprature control method to lithium ion battery, comprising:
Obtain the intracorporal temperature uniformity parameter of the case, wherein the temperature uniformity parameter is for characterizing in the cabinet
The uniformity of portion's temperature；
When the temperature uniformity parameter, which is greater than, presets uniform threshold value, controls the gas-recycling plant and opened to described first
Mouth injection gas, to adjust the temperature of the box house.
The temperature control device of vehicle further includes heating device in one of the embodiments, and the heating device is connected to
Between the gas-recycling plant and first opening, the gas generated for heating the gas-recycling plant, the side
Method further include:
Obtain the intracorporal bulk temperature parameter of the case, wherein the bulk temperature parameter is for characterizing in the cabinet
Bulk temperature；
When the bulk temperature parameter is less than default low temperature threshold, the circulation of gas described in the heating devices heat is controlled
The gas that device generates.
The temperature control device of vehicle further includes cooling device in one of the embodiments, and the cooling device is connected to
Between the gas-recycling plant and first opening, the gas generated for cooling down the gas-recycling plant is described to obtain
After taking the intracorporal bulk temperature parameter of the case, the method also includes:
When the bulk temperature parameter is less than default high temperature threshold value, the cooling gas circulation of the cooling device is controlled
The gas that device generates.
The method provided by the embodiments of the present application, by obtaining the intracorporal temperature uniformity parameter of case, when the temperature
Degree uniformity parameter is greater than when presetting uniform threshold value, controls the gas-recycling plant to the first opening injection gas, thus
The temperature for adjusting the box house improves the uniformity in temperature field in the cabinet 120.It is provided by the embodiments of the present application described
Method can effectively solve lithium ion battery and charge and service life caused by non-uniform temperature in Battery case in use process
The problems such as short, poor safety performance.
Detailed description of the invention
Fig. 1 is the lithium-ion battery systems structural schematic diagram that the application one embodiment provides；
Fig. 2 is the lithium-ion battery systems structural schematic diagram that the application one embodiment provides；
Fig. 3 is the temperature control device of vehicle structural schematic diagram that the application one embodiment provides；
Fig. 4 is the lithium ion battery temprature control method flow diagram that the application one embodiment provides；
Fig. 5 is the intracorporal temperature uniformity parameter steps flow chart signal of the acquisition case that the application one embodiment provides
Figure；
Fig. 6 is the lithium ion battery temprature control method flow diagram that the application one embodiment provides；
Fig. 7 is the intracorporal bulk temperature parameter step process signal of the acquisition case that the application one embodiment provides
Figure；
Fig. 8 is the lithium ion battery temprature control method flow diagram that the application one embodiment provides.
Description of symbols:
Lithium-ion battery systems 10
Battery pack 100
Single battery 110
Cabinet 120
First opening 121
Second opening 122
Temperature control device of vehicle 200
Gas-recycling plant 210
Air inlet 211
Gas outlet 212
Temperature-detecting device 220
Control device 230
Heating device 240
Cooling device 250
Filter device 260
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, by the following examples, and combine attached
Figure, lithium-ion battery systems and lithium ion battery temprature control method to the application are further elaborated.It should manage
Solution, specific embodiment described herein only to explain the application, are not used to limit the application.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).In the description of the present application, it is to be understood that term " on ", "lower", "front", "rear", " left side ",
The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed
System indicates to be based on the orientation or positional relationship shown in the drawings, being merely for convenience of description the application and simplifying description
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Figure 1, the application provides a kind of lithium-ion battery systems 10 comprising battery pack 100 and temperature management dress
Set 200.The battery pack 100 includes multiple single batteries 110 and cabinet 120.The setting of multiple single batteries 110 interval with
In the cabinet 120.The cabinet opens up the first opening 121 and the second opening 122.The temperature control device of vehicle 200 with it is described
First open communication.The temperature control device of vehicle 200 is for realizing the management to temperature in the battery pack 100.The temperature
Managing device 200 includes gas-recycling plant 210.The gas-recycling plant 210 is used for the 121 injection gas of the first opening
Body, to adjust the temperature inside the cabinet 120.
Multiple single batteries 110 can keep interval to be arranged by modes such as screw, support columns, can also be by engraving
Empty " returning " font backing metal keeps interval, can also be spaced setting by other means and fix, as long as enabling to multiple
Gap is formed between the single battery 110.The single battery 110 can be transversely set in the cabinet 120,
It can also be longitudinally disposed in the cabinet 120.First opening 121 and second opening 122 can open up and institute
State any one or two faces of cabinet 120, the application such as the position specifically opened up, size and shape and without limitation can be with
It selects according to actual needs.
The temperature control device of vehicle 200 includes the gas-recycling plant 210.It is appreciated that the temperature control device of vehicle
200 also may include that other realize the device or additional device to 100 temperature management of battery pack.The gas-recycling plant
210 include air inlet and air outlet.The gas outlet of the gas-recycling plant 210 can be opened by connecting tube etc. with described first
121 connection conducting of mouth.The gas-recycling plant 210 is the device that can arbitrarily generate gas, and inject the cabinet 120,
The application to specific structure of the gas-recycling plant 210 etc. without limitation.The gas-recycling plant 210 is to the cabinet
The gas injected in 120 can be air, be also possible to other gases.
In use, passing through the gas-recycling plant when non-uniform situation occurs in the temperature in the cabinet 120
210 inject gas to first opening 121.Gas enters the cabinet 120 by first opening 121 and passes through multiple
The gap formed between the single battery 110, gas is flowed out from second opening 122 later.Multiple single batteries
The gap formed between 110 is the channel of gas circulation, and is generation heat exchange between gas and the single battery 110
Place.By the circulation of gas, circulation and heat exchange, so that the temperature of the battery pack 100 is uniform.
In the present embodiment, the multiple interval of single battery 110 settings and the case of the lithium-ion battery systems 10
In body 120, the cabinet 120 opens up the first opening 121 and the second opening 122.The lithium-ion battery systems 10 further include gas
Body circulation device 210, the gas-recycling plant 210 are connected to first opening 121.Pass through the gas-recycling plant
210 to the 121 injection gas of the first opening, so that circulating simultaneously in the gap that gas is formed between the single battery 110
Heat exchange occurs, so that the temperature of the single battery 110 is uniform in the cabinet 120, improves warm in the cabinet 120
Spend the uniformity of field.The lithium-ion battery systems 10 provided in this embodiment can effectively solve the problem that lithium ion battery charging and
The problems such as service life caused by non-uniform temperature is short in Battery case in use process, poor safety performance.
The battery pack 100 is further described with reference to embodiments.
In one embodiment, first opening 121 is opened in the cabinet 120 with second opening 122 respectively
Two opposite faces.That is, first opening 121 is relatively arranged on the cabinet 120 with second opening 122
Two faces.Two opposite faces that first opening 121 is opened in the cabinet 120 with second opening 122 make
The gas that the gas-recycling plant 210 generates is easier to recycle, so that the temperature inside the cabinet 120 is more easily adjusted,
Keep the temperature in the cabinet 120 more easily uniform.Therefore, the lithium-ion battery systems 10 provided in this embodiment improve
The efficiency and effect that temperature is adjusted.
In one embodiment, the extending direction of the single battery 110 is parallel to first opening 121 and described the
The direction of two 122 lines of opening.That is, gap direction and first opening between multiple single batteries 110
121 is consistent with the second 122 line directions of opening.For example, when first opening 121 and 122 difference of the second opening
When being symmetrically disposed on the left side and right side of the cabinet 120, the single battery 110 is horizontally set at institute in left-right direction
It states in cabinet 120.When it is described first opening 121 and it is described second opening 122 be respectively arranged at before the cabinet 120 and after
When face, the single battery 110 is set to along the longitudinal direction in the cabinet 120.When first opening 121 and described second
Opening 122 be respectively arranged at the upper surface of described cabinet 120 and it is following when, the single battery 110 is longitudinally disposed along the vertical direction
In in the cabinet 120.In the present embodiment, the extending direction of the single battery 110 is parallel to first opening 121 and institute
The direction of 122 line of the second opening is stated, so that the gas that the gas-recycling plant 210 generates is open by described first
After in the 121 injections cabinet 120, it is easier to enter the gap between multiple single batteries 110, so as to better
Circulation and generation heat exchange, to improve the effect and efficiency of temperature adjusting.
In one embodiment, the inner surface of the single battery 110 and the cabinet 120 keeps interval setting.It is multiple
The single battery 110 forms battery modules.The battery modules can with an inner surface of the cabinet 120 or it is multiple in
Surface keeps interval setting.For example, the battery modules that are formed of multiple single batteries 110 only with the cabinet 120
One face contact, with better realization fixation.Between the other faces of the battery modules are kept with the inner surface of the cabinet 120
Away from, so that it is more advantageous to circulation and circulation of the gas in the cabinet 120, what raising adjusted 100 temperature of battery pack
Effect and efficiency.
The temperature control device of vehicle 200 is further described with reference to embodiments.
Fig. 2 is referred to, in one embodiment, the air inlet of second opening 122 and the gas-recycling plant 210
Connection.Second opening 122 can be equal to the gas-recycling plant 210 by connecting tube and form connecting path, to make
It obtains the gas-recycling plant 210 and the cabinet 120 forms gas circulation path.What the gas-recycling plant 210 generated
After gas enters the interior progress heat exchange to the single battery 110 of the cabinet 120, from the second opening discharge, and again
Return to the gas-recycling plant 210.The lithium-ion battery systems 10 provided in this embodiment, which can be realized, follows gas
Ring utilizes, and economizes on resources, and saves cost.
Fig. 3 is referred to, in one embodiment, the gas-recycling plant 210 includes air pump.The air pump and described the
One opening, 121 connection.The air pump is for generating gas.The gas that the air pump generates passes through 121 injection of the first opening
The cabinet 120.The application to concrete model, structure snd size of the air pump etc. without limitation, as long as its function may be implemented
Energy.Gas is generated by the air pump, and injects the cabinet 120, so that the gas in the cabinet 120 preferably flows
Logical and circulation, to further increase the uniformity in temperature field in the cabinet 120.And the gas is realized by the air pump
Circulation, has the advantages of simple structure and easy realization.
In one embodiment, the temperature control device of vehicle 200 includes temperature-detecting device 220.The temperature detection dress
220 are set to be set in the cabinet 120.The temperature-detecting device 220 is used to detect the temperature of the single battery 110.Institute
The application such as model, the specification of temperature-detecting device 220 are stated without limitation, as long as temperature detection may be implemented.The temperature
The quantity and setting position for spending detection device 220 can also select according to actual needs.In a specific embodiment, each
Three temperature-detecting devices 220 are arranged in the single battery 110, are being respectively arranged at each single battery 110 just
Negative electrode lug position and the surface middle position of the single battery 110.Pass through multiple temperature-detecting devices 220 of setting
The temperature regime of each single battery 110 is detected, and detects the temperature shape of each 110 different location of the single battery
Condition, to obtain the uniform situation of temperature of the battery pack 100.In conjunction with the uniform situation of temperature of detection, the temperature management dress
Set the adjusting of 200 carry out temperature uniformities.In the present embodiment, improved by the temperature-detecting device 220 to the battery
Wrap the accuracy of 100 temperature managements.
In one embodiment, the temperature control device of vehicle 200 further includes control device 230.The control device 230 with
The temperature-detecting device 220 is connected with 210 signal of gas-recycling plant.The control device 230 is used for according to
The temperature for the single battery 110 that temperature-detecting device 220 obtains controls the gas-recycling plant 210 and works.
The control device 230 may include chip and peripheral circuits, also may include software program.The control device
230 can realize the control to work the gas-recycling plant 210 by logical operation, can also be realized by software programming
Control to the gas-recycling plant 210.The application does not do and has to the specific structure and control method of the control device 230
Body limits, and can select according to actual needs.
The temperature-detecting device 220 detects the temperature of the single battery 110, and is transmitted to the control device 230.
The control device 230 carries out series of computation according to preset algorithm or program, to the temperature, when calculated result characterizes institute
When stating that temperature uniformity is unsatisfactory for requiring in cabinet 120, the control device 230 controls the gas-recycling plant 210 and works,
So that gas circulation and circulation in the cabinet 120, so that the temperature in the cabinet 120 is uniform.
In a specific embodiment, the control device 230 collects the temperature of multiple 110 many places of the single battery
Degree, and all temperature are compared, when the difference of temperature between any two has greater than uniform threshold value is preset, illustrate the battery
Temperature uniformity in packet 100 is unsatisfactory for requiring, and the control device 230 controls the starting of gas-recycling plant 210 circulation.
It is described preset uniform threshold value can according to 110 type of single battery described in the battery pack 100, usage scenario etc. it is different into
Row setting.For example, it is described preset uniform threshold value can be for 15 DEG C.
In the present embodiment, the lithium-ion battery systems 10 include the control device 230.The control device with it is described
Gas-recycling plant 210 is connected with 220 signal of temperature-detecting device, so as to according to the temperature-detecting device 220
Detect the work that obtained temperature controls the gas-recycling plant 210.The lithium-ion battery systems provided in this embodiment
10 realize to the gas-recycling plant 210 automatic control, while it is temperature controlled to improve the temperature control device of vehicle 200
Accuracy.
In one embodiment, the temperature control device of vehicle 200 further includes heating device 240.The heating device 240 connects
It is connected between the gas-recycling plant 210 and first opening 121.The heating device 240 is for heating the gas
The gas that circulator 210 generates.The heating device 240 is connect with 230 signal of control device.The control device
230 work for controlling the heating device 240 according to the temperature of the single battery 110.
The heating device 240 can be that by any device to gas heating.The application fills the heating
The specific structure for setting 240 does not do any restriction, as long as its function may be implemented.The starting of the heating device 240 can be with
It is controlled by the control device 230.
The temperature-detecting device 220 detects the temperature value of obtained multiple 110 many places of single battery, and is transmitted to
The control device 230.The control device 230 carries out a series of calculating to the temperature according to preset algorithm, obtains
A value for characterizing bulk temperature in the battery pack 100, is named as bulk temperature parameter.When the bulk temperature parameter is less than
When default low temperature threshold, the control device 230 controls the starting of gas-recycling plant 210 and generates gas.Meanwhile the control
Device 230 processed controls the heating device 240 and starts, and the gas generated to the gas-recycling plant 210 heats.By
Gap of the gas of heating between the single battery 110 each in the cabinet 120 is circulated and is recycled, and carries out heat
Exchange, improves the temperature of the single battery 110.
The default low temperature threshold can be according to type, the usage scenario of the single battery 110 in the battery pack 100
Deng difference carry out different settings.In a specific embodiment, the default low temperature threshold is 10 DEG C.
In the present embodiment, by the way that the heating device 240 is arranged, realizes and gas is generated to the gas-recycling plant 210
Heating prevent the single battery 110 in temperature to realize the heating to the single battery 110 of the battery pack 100
It spends in low situation and is charged and used, and then improve the performance and used life of the battery pack 100.
In one embodiment, the temperature control device of vehicle 200 further includes cooling device 250.The cooling device 250 connects
It is connected between the gas-recycling plant 210 and first opening 121.The cooling device 250 is for cooling down the gas
The gas that circulator 210 generates.Signal connects between the cooling device 250 and the control device 230.The control dress
230 are set to work for controlling the cooling device 250 according to the temperature of the single battery 110.
The cooling device 250 can be that by gas-cooled any device.The application is to the cooling dress
The specific structure for setting 250 does not do any restriction, as long as its function may be implemented.The starting of the cooling device 250 can be with
It is controlled by the control device 230.
The temperature-detecting device 220 detects the temperature value of obtained multiple 110 many places of single battery, and is transmitted to
The control device 230.The control device 230 carries out a series of calculating to the temperature according to preset algorithm, obtains
Characterize a value of bulk temperature in the battery pack 100, the as described bulk temperature parameter.When the bulk temperature parameter is big
When default high temperature threshold value, the control device 230 controls the starting of gas-recycling plant 210 and generates gas.Meanwhile it is described
Control device 230 controls the cooling device 250 and starts, and the gas generated to the gas-recycling plant 210 cools down.Through
Gap of the overcooled gas between the single battery 110 each in the cabinet 120 is circulated and is recycled, and carries out
Heat exchange reduces the temperature of the single battery 110.
The default high temperature threshold value can be according to type, the usage scenario of the single battery 110 in the battery pack 100
Deng difference carry out different settings.In a specific embodiment, the default high temperature threshold value is 30 DEG C.
In the present embodiment, by the way that the cooling device 250 is arranged, realizes and gas is generated to the gas-recycling plant 210
Cooling prevent the single battery 110 in temperature to realize the cooling to the single battery 110 of the battery pack 100
It spends in high situation and is charged and used, and then improve the performance and used life of the battery pack 100, reduce the electricity
The probability of safety accident occurs for pond packet 100.
In one embodiment, the temperature control device of vehicle 200 still further comprises filter device 260.The filtering dress
260 are set to be connected between the gas-recycling plant 210 and first opening 121.The filter device 260 is used for described
The gas that gas-recycling plant 210 generates is filtered.
The filter device 260 can be that by any device to gas filtration.The application fills the filtering
The specific structure for setting 260 does not do any restriction, as long as its function may be implemented.The filter device 260 can effectively be gone
The impurity such as moisture, the dust in gas generated except the gas-recycling plant 210, avoid the damage to the single battery 110
Wound.In the present embodiment, the comprehensive of 200 function of temperature control device of vehicle is further improved by the filter device 260,
Extend the service life of the battery pack 100.
Fig. 4 is referred to, the application also provides a kind of lithium ion battery temprature control method, and the method is used for by as above
The lithium-ion battery systems 10, which are realized, carries out temperature control to the lithium ion battery.The lithium-ion battery systems 10
Specific structure etc. is as described in above-described embodiment, and details are not described herein.The executing subject of the method can be in embodiment as above
The control device 230, being also possible to other can be realized other computer equipments of the method step etc..Below with institute
Control device 230 is stated to be illustrated for executing subject to the method.Described method includes following steps:
S10 obtains the temperature uniformity parameter in the cabinet 120, wherein the temperature uniformity parameter is described for characterizing
The uniformity of 120 internal temperature of cabinet.
The uniformity of 120 internal temperature of cabinet refers to the consistent situation of temperature of described 120 inside each region of cabinet.
The control device 230 obtains the temperature uniformity parameter.The control device 230 can be obtained directly from temperature collecting device
The temperature uniformity parameter is taken, the temperature uniformity parameter can also be obtained from memory.The temperature uniformity parameter can be with
It is the relevant value of a temperature, is also possible to the relevant curve of a temperature, can also be the relevant table of a temperature, ordered series of numbers
Deng.Embodiments shape of the application to the acquisition of the temperature uniformity parameter and calculation method and the temperature uniformity parameter
Formula does not do any restriction, as long as the uniformity of 120 internal temperature of cabinet can be characterized.
S20 controls the gas-recycling plant 210 to institute when the temperature uniformity parameter, which is greater than, presets uniform threshold value
The first opening 121 injection gas is stated, to adjust the temperature inside the cabinet 120.
The control device 230 is calculated and compared the temperature uniformity parameter, when the temperature uniformity parameter is big
When presetting uniform threshold value, the control device 230 sends starting recursion instruction to the gas control loop device 210.Institute
State gas-recycling plant 210 receive starting recursion instruction after, start to work.The specific circulation of the gas-recycling plant 210
The course of work is as described in above-described embodiment, and details are not described herein.By the circulation of the gas-recycling plant 210, institute is had adjusted
The temperature inside cabinet 120 is stated, so that the temperature of the battery pack 100 becomes uniform.
The method provided in this embodiment, by obtaining the temperature uniformity parameter in the cabinet 120, when the temperature
Uniformity parameter is greater than when presetting uniform threshold value, controls the gas-recycling plant 210 to the 121 injection gases of the first opening,
To adjust the temperature inside the cabinet 120, the uniformity in temperature field in the cabinet 120 is improved.It is provided in this embodiment
The method can effectively solve lithium ion battery and charge and use caused by non-uniform temperature in Battery case in use process
The problems such as service life is short, poor safety performance.
Fig. 5 is referred to, in one embodiment, S10 includes:
S110 obtains the temperature value of multiple positions in the cabinet 120；
S120 obtains the temperature uniformity parameter according to the temperature value of the multiple position.
The temperature-detecting device that the temperature value of multiple positions can provide through the foregoing embodiment in the cabinet 120
220 are acquired acquisition.Details are not described herein.The temperature value for the multiple position that the control device 230 will acquire, root
Calculation processing is carried out according to preset algorithm, obtains the temperature uniformity parameter.To the temperature value calculation processing to a position
Algorithm can be the difference for asking temperature maximum and minimum value, be also possible to the difference of maximizing or minimum value and median
Deng.The application to calculation processing algorithm and without limitation, can be selected according to use demand.
In the present embodiment, by obtaining the temperature value of multiple positions in the cabinet 120, and according to the multiple position
Temperature value obtains the temperature uniformity parameter, the accuracy of temperature uniformity parameter acquisition is improved, to improve to lithium ion
The accuracy of battery temperature control.
Fig. 6 is referred to, in one embodiment, the temperature control device of vehicle 200 further includes heating device 240, described to add
Thermal 240 is connected between the gas-recycling plant 210 and first opening 121, for heating the gas circulation
The gas that device 210 generates.The method also includes:
S30 obtains the bulk temperature parameter in the cabinet 120, wherein the bulk temperature parameter is described for characterizing
Bulk temperature in cabinet 120.
The control device 230 obtains the bulk temperature parameter.The control device 230 can be directly from temperature acquisition
The temperature uniformity parameter is obtained on device, and the temperature uniformity parameter can also be obtained from memory.The bulk temperature
Parameter can be the relevant value of a temperature, be also possible to the relevant curve of a temperature, can also be that a temperature is relevant
Table, ordered series of numbers etc..Tool of the application to the acquisition of the bulk temperature parameter and calculation method and the bulk temperature parameter
Body forms of characterization does not do any restriction, as long as the bulk temperature inside the cabinet 120 can be characterized.
S40, when the bulk temperature parameter is less than default low temperature threshold, control the heating device 240 heat it is described
The gas that gas-recycling plant 210 generates.
The default low temperature threshold can be according to type, the usage scenario of the single battery 110 in the battery pack 100
Deng difference carry out different settings.In a specific embodiment, the default low temperature threshold is 10 DEG C.When the entirety
When temperature parameter is less than default low temperature threshold, the control device 230 controls the starting of gas-recycling plant 210 and generates gas
Body.Meanwhile the control device 230 controls the heating device 240 and starts, the gas generated to the gas-recycling plant 210
Body is heated.It circulates in gap of the gas between the single battery 110 each in the cabinet 120 by heating
And circulation, and heat exchange is carried out, improve the temperature of the battery pack 100.
In the present embodiment, by obtaining the bulk temperature parameter in the cabinet 120, when the bulk temperature parameter is less than
When default low temperature threshold, controls the heating device 240 and heat the gas that the gas-recycling plant 210 generates, to realize
Heating to the single battery 110 of the battery pack 100, prevent the single battery 110 in the too low situation of temperature into
Row charging and use, and then improve the performance and used life of the battery pack 100.
Refer to Fig. 7, in one embodiment, S30, comprising:
S310 obtains the temperature value of multiple positions in the cabinet 120；
S320 obtains the bulk temperature parameter according to the temperature value of the multiple position.
It is similar to S110 step method in above-described embodiment to obtain the temperature value of multiple positions in the cabinet 120, herein
It repeats no more.After the control device 230 gets the temperature value of the multiple position, it can average, obtain to it
To the bulk temperature parameter, other mathematical computations can also can also be carried out with maximizing or minimum value, to obtain characterization institute
State the value of 120 inside bulk temperature of cabinet.The method for specifically obtaining the bulk temperature parameter, the application is without limitation.
In the present embodiment, by obtaining the temperature value of multiple positions in the cabinet 120, and according to the multiple position
Temperature value obtains the bulk temperature parameter, the accuracy of bulk temperature parameter acquisition is improved, to improve to lithium ion
The accuracy of battery temperature control.
Fig. 8 is referred to, in one embodiment, the temperature control device of vehicle 200 further includes cooling device 250, described cold
But device 250 is connected between the gas-recycling plant 210 and first opening 121, for cooling down the gas circulation
The gas that device 210 generates.After S30, the method also includes:
S40 is controlled described in the cooling of cooling device 250 when the bulk temperature parameter is less than default high temperature threshold value
The gas that gas-recycling plant 210 generates.
The default high temperature threshold value can be according to type, the usage scenario of the single battery 110 in the battery pack 100
Deng difference carry out different settings.In a specific embodiment, the default high temperature threshold value is 30 DEG C.When the entirety
When temperature parameter is greater than default high temperature threshold value, the control device 230 controls the starting of gas-recycling plant 210 and generates gas
Body.Meanwhile the control device 230 controls the cooling device 250 and starts, the gas generated to the gas-recycling plant 210
Body is cooled down.It circulates in gap through overcooled gas between the single battery 110 each in the cabinet 120
And circulation, and heat exchange is carried out, reduce the temperature of the single battery 110.
In the present embodiment, when the bulk temperature parameter is less than default high temperature threshold value, it is cold to control the cooling device 250
The gas that the gas-recycling plant 210 generates, to realize to the cold of the single battery 110 of the battery pack 100
But.The method provided in this embodiment prevents the single battery 110 to be charged and used in the excessively high situation of temperature,
And then the performance and used life of the battery pack 100 is improved, reduce the probability that safety accident occurs for the battery pack 100.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of lithium-ion battery systems characterized by comprising
Battery pack (100), including multiple single batteries (110) and cabinet (120), multiple single battery (110) intervals are set
It is placed in the cabinet (120), the cabinet (120) opens up the first opening (121) and the second opening (122)；
Temperature control device of vehicle (200), including gas-recycling plant (210), the gas-recycling plant (210) are opened with described first
Mouth (121) connection, for injecting gas to first opening (121), to adjust the temperature of the cabinet (120) inside.
2. battery system according to claim 1, which is characterized in that the temperature control device of vehicle (200) includes:
Temperature-detecting device (220) is set in the cabinet (120), for detecting the temperature of the single battery (110)；
Control device (230) connect with the gas-recycling plant (210) and the temperature-detecting device (220) signal, is used for
Gas-recycling plant (210) work is controlled according to the temperature of single battery (110).
3. battery system according to claim 2, which is characterized in that the temperature control device of vehicle (200) further include:
Heating device (240) is connected between the gas-recycling plant (210) and first opening (121), for heating
The gas that the gas-recycling plant (210) generates；
The heating device (240) connect with the control device (230) signal, and the control device (230) is used for according to institute
The temperature for stating single battery (110) controls heating device (240) work.
4. battery system according to claim 2, which is characterized in that the temperature control device of vehicle (200) further include:
Cooling device (250) is connected between the gas-recycling plant (210) and first opening (121), for cooling down
The gas that the gas-recycling plant (210) generates；
The cooling device (250) connect with the control device (230) signal, and the control device (230) is used for according to institute
The temperature for stating single battery (110) controls cooling device (250) work.
5. battery system according to any one of claims 1-4, which is characterized in that the temperature control device of vehicle (200)
Further include:
Filter device (260) is connected between the gas-recycling plant (210) and first opening (121), for filtering
The gas that the gas-recycling plant (210) generates.
6. battery system according to any one of claims 1-4, which is characterized in that second opening (122) and institute
State air inlet (211) connection of gas-recycling plant (210).
7. battery system according to claim 1, which is characterized in that first opening (121) and second opening
(122) it is opened in (120) two opposite faces of the cabinet respectively, and the extending direction of the single battery (110) is parallel to
The direction of first opening (121) and described second opening (122) line.
8. lithium-ion battery systems described in a kind of -7 any one according to claim 1 carry out temperature control to lithium ion battery
Method characterized by comprising
Obtain the temperature uniformity parameter in the cabinet (120), wherein the temperature uniformity parameter is for characterizing the cabinet
(120) uniformity of internal temperature；
When the temperature uniformity parameter, which is greater than, presets uniform threshold value, the gas-recycling plant (210) Xiang Suoshu first is controlled
Be open (121) injection gas, to adjust the internal temperature of the cabinet (120).
9. according to the method described in claim 8, it is characterized in that, the temperature control device of vehicle (200) further includes heating device
(240), the heating device (240) is connected between the gas-recycling plant (210) and first opening (121), uses
In the gas for heating the gas-recycling plant (210) and generating, the method also includes:
Obtain the bulk temperature parameter in the cabinet (120), wherein the bulk temperature parameter is for characterizing the cabinet
(120) bulk temperature in；
When the bulk temperature parameter is less than default low temperature threshold, controls the heating device (240) heating gas and follow
The gas that loop device (210) generates.
10. according to the method described in claim 8, it is characterized in that, the temperature control device of vehicle (200) further includes cooling device
(250), the cooling device (250) is connected between the gas-recycling plant (210) and first opening (121), uses
In the gas that the cooling gas-recycling plant (210) generates, the bulk temperature parameter obtained in the cabinet (120) it
Afterwards, the method also includes:
When the bulk temperature parameter is less than default high temperature threshold value, controls the cooling device (250) cooling described gas and follow
The gas that loop device (210) generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058003.3A CN109638385A (en) | 2019-01-22 | 2019-01-22 | Lithium-ion battery systems and lithium ion battery temprature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058003.3A CN109638385A (en) | 2019-01-22 | 2019-01-22 | Lithium-ion battery systems and lithium ion battery temprature control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109638385A true CN109638385A (en) | 2019-04-16 |
Family
ID=66063025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910058003.3A Pending CN109638385A (en) | 2019-01-22 | 2019-01-22 | Lithium-ion battery systems and lithium ion battery temprature control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093502A1 (en) * | 2021-11-29 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Charging device and electric device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040232891A1 (en) * | 2003-03-24 | 2004-11-25 | Panasonic Ev Energy Co., Ltd. | Battery pack apparatus |
| KR20060099215A (en) * | 2005-03-11 | 2006-09-19 | 삼성에스디아이 주식회사 | Method for controlling temperature of secondary battery module |
| CN103648824A (en) * | 2011-05-23 | 2014-03-19 | 三菱自动车工业株式会社 | Air-conditioning control device for battery pack |
| CN109148989A (en) * | 2018-09-04 | 2019-01-04 | 海口博澳国兴新能源科技有限公司 | Novel lithium ion battery production and application method |
| CN209232910U (en) * | 2019-01-22 | 2019-08-09 | 海口博澳国兴新能源科技有限公司 | Lithium-ion battery systems |
-
2019
- 2019-01-22 CN CN201910058003.3A patent/CN109638385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040232891A1 (en) * | 2003-03-24 | 2004-11-25 | Panasonic Ev Energy Co., Ltd. | Battery pack apparatus |
| KR20060099215A (en) * | 2005-03-11 | 2006-09-19 | 삼성에스디아이 주식회사 | Method for controlling temperature of secondary battery module |
| CN103648824A (en) * | 2011-05-23 | 2014-03-19 | 三菱自动车工业株式会社 | Air-conditioning control device for battery pack |
| CN109148989A (en) * | 2018-09-04 | 2019-01-04 | 海口博澳国兴新能源科技有限公司 | Novel lithium ion battery production and application method |
| CN209232910U (en) * | 2019-01-22 | 2019-08-09 | 海口博澳国兴新能源科技有限公司 | Lithium-ion battery systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093502A1 (en) * | 2021-11-29 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Charging device and electric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4044320A1 (en) | Battery heating system, electric vehicle and vehicle-mounted system | |
| Lei et al. | Preheating method of lithium-ion batteries in an electric vehicle | |
| JP6137122B2 (en) | Method for controlling flow rate of cooling medium in fuel cell system, and fuel cell system | |
| CN106608195A (en) | Electric vehicle and battery heating method and system thereof | |
| JP2019021608A (en) | System and control device for charging and discharging lithium ion battery, and relevant method | |
| CN103051026A (en) | Lithium ion battery pack charge heating system and heating method | |
| CN102326289B (en) | Battery system and automobile | |
| CN112864488A (en) | Energy storage liquid cooling system device and control method thereof | |
| CN110931896A (en) | Lithium ion battery temperature management system | |
| CN113161649B (en) | Method for determining optimal pulse current parameters during pulse heating of power battery | |
| CN108777339A (en) | A kind of lithium ion battery pulsed discharge self-heating method and device | |
| CN109301399B (en) | Multi-branch regional power battery system heating method and system | |
| CN109271700B (en) | Battery thermal management method and system based on deep learning multilayer network modeling | |
| CN111355002A (en) | Heating control method and system of power battery pack and power automobile | |
| JP2018092748A (en) | Method and system for recovering capacity of secondary battery | |
| CN209232910U (en) | Lithium-ion battery systems | |
| CN105826619A (en) | Constant-temperature thermal management system for lithium-ion power battery pack | |
| CN109638385A (en) | Lithium-ion battery systems and lithium ion battery temprature control method | |
| CN113659247A (en) | Battery thermal management method and battery management system | |
| CN110281808A (en) | A kind of V2G method of controlling security and system based on battery temperature and health status | |
| CN107196017A (en) | A kind of heating system and its control method of iron lithium startup power supply | |
| CN107195998A (en) | Charging device and method | |
| CN206180060U (en) | Temperature control device of lithium cell | |
| CN115084724A (en) | Vehicle, lithium dendrite control method, battery management system and computer equipment | |
| Saputra et al. | Development of battery thermal management system for LiFeMnPO4 module using air cooling method to minimize cell temperature differences and parasitic energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200910 Address after: 570100 19 / F, Xinheng building, 123-8 Binhai Avenue, Binhai street, Longhua District, Haikou City, Hainan Province Applicant after: Haikou anbor Energy Technology Development Co., Ltd Address before: Room 906-1, Amber Youlan Building 1, 86 Qiongshan Avenue, Meilan District, Haikou City, Hainan Province, 570100 Applicant before: HAIKOU BOAO GUOXING NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right |