CN113937385A - Battery system, control method and control device of battery system and vehicle - Google Patents
Battery system, control method and control device of battery system and vehicle Download PDFInfo
- Publication number
- CN113937385A CN113937385A CN202111015190.0A CN202111015190A CN113937385A CN 113937385 A CN113937385 A CN 113937385A CN 202111015190 A CN202111015190 A CN 202111015190A CN 113937385 A CN113937385 A CN 113937385A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery module
- communicated
- medium
- outlet
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000036760 body temperature Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- H01M10/60—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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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)
- 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)
Abstract
The embodiment of the application discloses a battery system, a control method and a control device of the battery system and a vehicle, wherein the battery system comprises: a plurality of battery modules; a temperature regulation assembly, the temperature regulation assembly comprising: the battery module comprises a medium outlet, an inlet pipeline, an outlet pipeline and a medium recovery port, wherein the inlet pipeline is communicated with the medium outlet, the outlet pipeline is communicated with the medium recovery port, and the liquid outlet end of each battery module is communicated with the outlet pipeline; and each battery module is communicated with at least one control valve, a first valve port of each control valve is communicated with the inlet pipeline, a second valve port of each control valve is communicated with the outlet pipeline, and a third valve port of each control valve is communicated with the liquid inlet end of the corresponding battery module. The battery system can reduce the temperature difference among different battery modules, improve the temperature consistency of the battery system, balance the performance of the battery system and improve the performance of the battery system.
Description
Technical Field
The embodiment of the application relates to the technical field of new energy automobiles, in particular to a battery system, a control method and a control device of the battery system and a vehicle.
Background
At present, the temperature regulation of the power battery mainly adopts a water-cooling mode in the industry, and the heat of the high-temperature battery is taken away or the low-temperature battery is heated by the heat conduction mode through a liquid cooling water pipe or a liquid cooling plate runner which leads cooling liquid into the bottom of the battery module. In the current water cooling scheme, the whole battery cooling system is provided with a water inlet and a water outlet, and the cooling (heating) flow of modules in the battery pack is reasonably distributed by controlling the cross section area of a flow channel, so that the temperature consistency of different modules in the battery pack is maintained as far as possible. Although the cooling (heating) power and the flow rate are balanced by the method, the problems that the temperature difference between the farthest runner stroke and the closest runner stroke is large, and the temperature difference between the battery pack central module and the battery pack peripheral module is large still exist, so that the consistency of each battery is influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention provides a battery system.
A second aspect of the invention provides a control method of a battery system.
A third aspect of the invention provides a control device of a battery system.
A fourth aspect of the invention provides a vehicle.
In view of this, according to a first aspect of embodiments of the present application, there is provided a battery system including:
a plurality of battery modules;
a temperature regulation assembly, the temperature regulation assembly comprising: the battery module comprises a medium outlet, an inlet pipeline, an outlet pipeline and a medium recovery port, wherein the inlet pipeline is communicated with the medium outlet, the outlet pipeline is communicated with the medium recovery port, and the liquid outlet end of each battery module is communicated with the outlet pipeline;
and each battery module is communicated with at least one control valve, a first valve port of each control valve is communicated with the inlet pipeline, a second valve port of each control valve is communicated with the outlet pipeline, and a third valve port of each control valve is communicated with the liquid inlet end of the corresponding battery module.
In a possible embodiment, each battery module comprises a medium channel, one end of the medium channel is the liquid outlet end, and the other end of the medium channel is the liquid inlet end;
the medium channel comprises a water pipe and/or a cold liquid plate flow channel.
In a possible embodiment, the inlet duct is a plurality of inlet ducts, and each battery module is communicated with at least one inlet duct.
In a possible embodiment, the outlet duct is a plurality of ducts, and each battery module is communicated with at least one outlet duct;
at least a part of the outlet ducts of the plurality of outlet ducts are communicated with the inlet duct, the plurality of battery modules form a battery pack, and at least a part of the outlet ducts of the plurality of outlet ducts and at least a part of the inlet ducts of the plurality of inlet ducts are arranged on the peripheral side of the battery pack.
In one possible embodiment, the temperature adjustment assembly further comprises:
and the heat exchanger is communicated with the medium outlet and the medium recovery port.
According to a second aspect of the embodiments of the present application, there is provided a control method for a battery system, which is used for the battery system according to any one of the above technical solutions, the control method including:
responding to a battery body temperature adjusting instruction;
the first valve port and the third valve port of the control valve are communicated, so that a medium in the temperature regulating assembly flows through the battery module.
In one possible embodiment, the control method further includes:
collecting temperature information of each battery module;
taking the battery module with the temperature information and the preset temperature difference larger than a first threshold value as a target regulation battery module;
and increasing the conduction opening degrees of the first valve port and the third valve port of the control valve corresponding to the target regulation battery module, and increasing the conduction opening degrees of the first valve port and the second valve port of the control valve corresponding to other battery modules except the target regulation battery module.
In one possible embodiment, the control method further includes:
acquiring environmental temperature information of a battery system;
when the environmental temperature information is lower than a first threshold value or higher than a second threshold value, controlling the conduction of the first valve ports and the second valve ports of all the control valves, so that a medium output by the temperature regulating assembly flows through the outer side of a battery pack consisting of a plurality of battery modules;
wherein the value of the first threshold is lower than the second threshold.
According to a third aspect of embodiments of the present application, there is provided a control device of a battery system, including:
a memory storing a computer program;
a processor executing the computer program;
wherein the processor implements the control method of the battery system according to any one of the above-described technical aspects when executing the computer program.
According to a fourth aspect of an embodiment of the present application, there is provided a vehicle characterized by including:
the battery system according to any one of the above aspects; and
the control device of the battery system according to the above technical solution.
Compared with the prior art, the invention at least comprises the following beneficial effects: the battery system that this application embodiment provided has included a plurality of battery modules, control by temperature change adjusting part and control valve, control by temperature change adjusting part is used for to a plurality of battery module output medium, when battery module temperature is lower, the medium of temperature regulating part heating packing in temperature regulating part, then carry the higher medium of temperature to the battery module for the battery module intensifies, when the temperature of battery module is higher, temperature regulating part reduces the medium of filling in temperature regulating part and is the temperature, medium under the low temperature state is carried to the battery module and is cooled down for the battery module. The battery system that this application embodiment provided has included the medium export, the inlet pipeline, outlet pipeline and medium recovery mouth, and the first valve port of control valve communicates in the inlet pipeline, the second valve port communicates in the outlet pipeline, the third valve port communicates in the inlet end of battery module, so set up through controlling first valve port and second valve port or third valve port intercommunication, can control the flow direction of medium in the battery system, can selectively control the medium and flow through battery module, the medium that can control temperature regulation is preferential to pass through the great battery module of difference in temperature, do benefit to and reduce the temperature difference between the different battery modules, improve the uniformity of battery system temperature, make battery system performance balance, improve battery system's performance. The flow of media into the battery module can be controlled by controlling the opening degree between the first valve port and the second valve port and the opening degree between the first valve port and the third valve port, so that the battery module positioned at the far end of the battery system can circulate more media, and the battery module positioned at the near end of the battery system circulates less media, so that the temperature difference among different battery modules can be reduced, the temperature consistency of the battery system is improved, the performance of the battery system is balanced, and the performance of the battery system is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a battery system according to an embodiment provided in the present application.
Fig. 2 is a flowchart illustrating exemplary steps of a method for controlling a battery system according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a control device of a battery system according to an embodiment of the present disclosure.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
100 battery modules, 200 temperature regulation components and 300 control valves;
a 201 medium outlet, a 202 inlet pipeline, a 203 outlet pipeline and a 204 medium recovery port;
a first valve port, B second valve port and C third valve port.
Detailed Description
In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below with reference to the drawings and the specific embodiments, and it should be understood that the specific features of the embodiments and the embodiments of the present application are detailed descriptions of the technical solutions of the embodiments of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1, according to a first aspect of embodiments of the present application, there is provided a battery system including: a plurality of battery modules 100; a temperature regulation assembly 200, the temperature regulation assembly 200 comprising: the battery module comprises a medium outlet 201, an inlet pipeline 202, an outlet pipeline 203 and a medium recovery port 204, wherein the inlet pipeline 202 is communicated with the medium outlet 201, the outlet pipeline 203 is communicated with the medium recovery port 204, and the liquid outlet end of each battery module 100 is communicated with the outlet pipeline 203; and each battery module 100 is communicated with at least one control valve 300, a first valve port A of each control valve 300 is communicated with the inlet pipeline 202, a second valve port B is communicated with the outlet pipeline 203, and a third valve port C is communicated with the inlet end of the battery module 100.
The battery system that this application embodiment provided has included a plurality of battery module 100, control by temperature change adjusting part and control valve 300, control by temperature change adjusting part is used for to a plurality of battery module 100 output medium, when battery module 100 temperature is lower, the medium of filling in temperature adjusting part 200 is heated to temperature adjusting part 200, then carry the higher medium of temperature to battery module 100 for battery module 100 intensification again, when battery module 100's temperature is higher, temperature adjusting part 200 reduces the medium of filling in temperature adjusting part 200 for the temperature, the medium under the low temperature state is carried to battery module 100 and is cooled down for battery module 100. The battery system provided by the embodiment of the application comprises a medium outlet 201, an inlet pipeline 202, an outlet pipeline 203 and a medium recovery port 204, wherein a first valve port A of a control valve 300 is communicated with the inlet pipeline 202, a second valve port B is communicated with the outlet pipeline 203, a third valve port C is communicated with a liquid inlet end of the battery module 100, and the first valve port A is communicated with the second valve port B or the third valve port C through control, so that the flow direction of a medium in the battery system can be controlled, the medium can be selectively controlled to flow through the battery module 100, the medium with temperature regulation can be controlled to preferentially pass through the battery module 100 with larger temperature difference, the temperature difference among different battery modules 100 is favorably reduced, the temperature consistency of the battery system is improved, the performance of the battery system is balanced, and the performance of the battery system is improved. The flow of the medium into the battery module 100 can be controlled by controlling the opening degree between the first valve port a and the second valve port B and the third valve port C, so that the battery module 100 at the far end of the battery system can circulate more medium, and the battery module 100 at the near end of the battery system circulates less medium, thereby being beneficial to reducing the temperature difference among different battery modules 100, improving the temperature consistency of the battery system, balancing the performance of the battery system and improving the performance of the battery system.
It is understood that each battery module 100 is communicated with one control valve 300, the first port a of each control valve 300 is communicated with the inlet pipe 202, the second port B is communicated with the outlet pipe 203, and the third port C is communicated with the inlet end of the battery module 100, when the first port a of the control valve 300 is communicated with the second port B, the medium in the temperature regulating module does not flow through the battery module 100 corresponding to the control valve 300, and when the first port a is communicated with the third port C, the medium in the temperature regulating module flows through the battery module 100 corresponding to the control valve 300. For the same reason, when the opening degree between the first port a and the third port C is increased, more medium can be made to flow through the battery module 100 corresponding to the control valve 300, and when the opening degree between the first port a and the third port C is decreased, the amount of medium supplied into the battery module 100 can be decreased.
It is understood that the far-end battery module is the battery module 100 having a long duct, which is far from the medium outlet 201 of the temperature adjusting assembly 200, and the near-end battery module is the battery module 100 close to the temperature adjusting assembly 200, which is supplied with the medium directly or at a short distance.
In some examples, each battery module 100 includes a medium channel, one end of which is a liquid outlet end, and the other end of which is a liquid inlet end; the medium channel comprises a water pipe and/or a cold liquid plate flow channel.
Each battery module 100 comprises a medium channel, when the medium of the temperature adjusting module is fed into the battery module 100, the medium can circulate along the medium channel, the medium can exchange heat with the body of the battery module to adjust the temperature of the battery module 100, the medium can be discharged out of the battery module 100 through the liquid outlet end of the medium channel after the heat exchange of the medium is completed, and the medium discharged out of the battery module can enter other battery modules 100 to continue heat exchange and can also return to the medium recycling port 204 of the temperature adjusting assembly 200 to be reused.
The medium channel comprises a water pipe and/or a cold liquid plate flow channel, and the circulating flow of the medium is facilitated through the arrangement of the water pipe and/or the cold liquid plate flow channel.
In some examples, the inlet duct 202 is plural, and each battery module 100 is communicated with at least one inlet duct 202.
The inlet duct 202 is plural, and each battery module 100 is communicated with at least one inlet duct 202, so that the medium output through the temperature adjustment assembly 200 is facilitated to be input into each battery module 100, and the temperature of the battery module 100 is rapidly adjusted.
In some examples, the outlet duct 203 is plural, and each battery module 100 is communicated with at least one outlet duct 203; at least a part of the outlet duct 203 of the plurality of outlet ducts 203 communicates with the inlet duct 202, the plurality of battery modules 100 form a battery pack, and at least a part of the outlet duct 203 of the plurality of outlet ducts 203 and at least a part of the inlet duct 202 of the plurality of inlet ducts 202 are arranged on the peripheral side of the battery pack.
The outlet pipe 203 is a plurality of, and every battery module 100 communicates has at least one outlet pipe 203, does benefit to the medium and discharges through battery module 100, does benefit to the cyclic utilization of medium.
At least part of outlet pipe 203 in a plurality of outlet pipe 203 communicates in inlet pipe 202 for the outlet pipe 203 of some battery module 100 can regard as the inlet pipe 202 of other battery modules 100 with the pipeline that inlet pipe 202 intercommunication formed, can reduce the quantity that sets up of pipeline, makes the overall arrangement of pipeline more reasonable, convenient.
At least part of the outlet pipelines 203 and at least part of the inlet pipelines 202 are arranged on the peripheral side of the battery pack, so that pipelines capable of allowing a medium to circulate are formed on the peripheral side of the battery pack formed by the battery modules 100, when the temperature of a battery system is extremely low or extremely high, the medium can be controlled not to flow through the battery modules 100, but can be controlled to circulate on the peripheral side of the battery pack, the temperature of the periphery of the battery body is preferentially regulated, and the working stability of the battery body is ensured.
In some examples, the temperature adjustment assembly 200 further comprises: and the heat exchanger is communicated with the medium outlet 201 and the medium recovery port 204.
In some examples, the temperature adjustment assembly 200 may further include a driver disposed within the heat exchanger for driving a flow of the medium filled within the temperature adjustment assembly 200.
As shown in fig. 2, according to a second aspect of the embodiments of the present application, there is provided a control method for a battery system, which is used for the battery system according to any one of the above technical solutions, the control method including:
step 101: in response to a battery body temperature adjustment command. It is understood that the battery body temperature adjustment command may be issued by a user, or may be issued actively when the on-vehicle temperature sensor detects that the temperature of the battery system deviates from a preset temperature.
Step 102: the first valve port and the third valve port of the control valve are communicated, so that the medium in the temperature regulating assembly flows through the battery module. Through the conduction of the first valve port and the third valve port of the control valve, a medium in the temperature adjusting assembly can flow through the battery module, and the medium can exchange heat with the battery module to adjust the temperature of the battery module, so that the temperature of the battery system can be close to the expected temperature.
It can be understood that each battery module is communicated with a control valve, the first valve port of each control valve is communicated with the inlet pipeline, the second valve port is communicated with the outlet pipeline, and the third valve port is communicated with the liquid inlet end of the battery module. Based on the same principle, when the opening degree between the first valve port and the third valve port is increased, more medium can flow through the battery module corresponding to the control valve, and when the opening degree between the first valve port and the third valve port is decreased, the amount of medium supplied into the battery module can be decreased.
It can be understood that the battery module at the far end is the battery module far away from the medium outlet of the temperature adjustment assembly, the medium flows through the battery module with the long pipe, and the battery module at the near end is the battery module close to the temperature adjustment assembly, and the medium can be directly or short-distance supplied.
In some examples, the control method further comprises: collecting temperature information of each battery module; taking the battery module with the temperature information and the preset temperature difference larger than a first threshold value as a target regulation battery module; and increasing the conduction opening degree of the first valve port and the third valve port of the control valve corresponding to the target regulation battery module, and increasing the conduction opening degree of the first valve port and the second valve port of the control valve corresponding to other battery modules except the target regulation battery module.
The control method provided by the embodiment of the application can also collect the temperature information of each battery module, when the temperature difference between the temperature information of part of the battery modules and the preset temperature difference is greater than the first threshold value, the temperature difference of the part of the battery modules is considered to be large, the consistency of the plurality of battery modules of the battery system can be reduced due to the current temperature of the part of the battery modules, the conduction opening degree of the first valve port and the third valve port of the control valve corresponding to the target regulation battery module is increased through control, the conduction opening degree of the first valve port and the second valve port of the control valve corresponding to other battery modules except the target regulation battery module is increased, more media can flow into the target regulation battery module, and the temperature consistency of the battery system can be higher.
In some examples, the control method further comprises: acquiring environmental temperature information of a battery system; under the condition that the environmental temperature information is lower than a second threshold value or the environmental temperature information is higher than a third threshold value, controlling the conduction of the first valve ports and the second valve ports of all the control valves, so that the medium output by the temperature regulating assembly flows through the outer side of a battery pack consisting of a plurality of battery modules; wherein the value of the second threshold is lower than the third threshold.
The control method provided by the embodiment of the application can also collect the environmental temperature information of the battery system, when the environmental temperature information is lower than the second threshold value, or the environmental temperature information is higher than the third threshold value, the current battery system can be considered to be in an extreme temperature environment, the temperature of the battery system can be too high or too low, under the circumstance, the first valve ports of all the control valves can be controlled to be communicated with the second valve ports, a medium output by the temperature adjusting assembly cannot flow into the battery modules, but preferentially flows around the battery pack consisting of the plurality of battery modules, the temperature of the whole battery pack can be adjusted in time by the arrangement, particularly, the temperature outside the battery pack can be adjusted in time, and the safe operation of the battery pack can be ensured.
As shown in fig. 3, according to a third aspect of the embodiments of the present application, there is provided a control device of a battery system, including: a memory 401 storing a computer program; a processor 402 executing a computer program; the processor 402 implements the control method of the battery system according to any one of the above-described technical solutions when executing the computer program.
In the control device provided in the embodiment of the present application, when the processor executes the computer program, the control method of the battery system according to any one of the above technical solutions is implemented, so that the control device of the battery system has all the beneficial effects of the control method of the battery system according to any one of the above technical solutions, and details thereof are not described herein.
According to a fourth aspect of the embodiments of the present application, there is provided a vehicle including: the battery system of any of the above technical solutions; and the control device of the battery system according to the above technical means.
The vehicle provided in the embodiment of the present application includes the battery system and the control device of the battery system according to any one of the above technical solutions, and therefore the vehicle has all the intended effects of the battery system and the control device of the battery system according to any one of the above technical solutions, and details thereof are not repeated herein.
In some examples, the vehicle further includes a BMS system (Battery management system) communicatively connected to the control valves of the Battery system, and the BMS system may detect and record each Battery module temperature, inlet and outlet water temperature, flow rate, each Battery module status, and the like. When the BMS system can adjust the opening direction and the opening degree of the control valve based on the temperature detection result of each battery module, the temperature consistency of the battery system is improved, the performance of the battery system is balanced, and the performance of the battery system is improved.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery system, comprising:
a plurality of battery modules;
a temperature regulation assembly, the temperature regulation assembly comprising: the battery module comprises a medium outlet, an inlet pipeline, an outlet pipeline and a medium recovery port, wherein the inlet pipeline is communicated with the medium outlet, the outlet pipeline is communicated with the medium recovery port, and the liquid outlet end of each battery module is communicated with the outlet pipeline;
and each battery module is communicated with at least one control valve, a first valve port of each control valve is communicated with the inlet pipeline, a second valve port of each control valve is communicated with the outlet pipeline, and a third valve port of each control valve is communicated with the liquid inlet end of the corresponding battery module.
2. The battery system according to claim 1,
each battery module comprises a medium channel, one end of the medium channel is the liquid outlet end, and the other end of the medium channel is the liquid inlet end;
the medium channel comprises a water pipe and/or a cold liquid plate flow channel.
3. The battery system according to claim 1,
the inlet pipeline is a plurality of, and every battery module communicates in at least one the inlet pipeline.
4. The battery system according to claim 3,
the outlet pipelines are multiple, and each battery module is communicated with at least one outlet pipeline;
at least a part of the outlet ducts of the plurality of outlet ducts are communicated with the inlet duct, the plurality of battery modules form a battery pack, and at least a part of the outlet ducts of the plurality of outlet ducts and at least a part of the inlet ducts of the plurality of inlet ducts are arranged on the peripheral side of the battery pack.
5. The battery system of claim 1, wherein the temperature regulation assembly further comprises:
and the heat exchanger is communicated with the medium outlet and the medium recovery port.
6. A control method of a battery system for controlling the battery system according to any one of claims 1 to 5, the control method comprising:
responding to a battery body temperature adjusting instruction;
the first valve port and the third valve port of the control valve are communicated, so that a medium in the temperature regulating assembly flows through the battery module.
7. The control method according to claim 6, characterized by further comprising:
collecting temperature information of each battery module;
taking the battery module with the temperature information and the preset temperature difference larger than a first threshold value as a target regulation battery module;
and increasing the conduction opening degrees of the first valve port and the third valve port of the control valve corresponding to the target regulation battery module, and increasing the conduction opening degrees of the first valve port and the second valve port of the control valve corresponding to other battery modules except the target regulation battery module.
8. The control method according to claim 6, characterized by further comprising:
acquiring environmental temperature information of a battery system;
when the environmental temperature information is lower than a second threshold value or higher than a third threshold value, controlling the conduction of the first valve ports and the second valve ports of all the control valves, so that a medium output by the temperature regulating assembly flows through the outer side of a battery pack consisting of a plurality of battery modules;
wherein the value of the second threshold is lower than the third threshold.
9. A control device of a battery system, characterized by comprising:
a memory storing a computer program;
a processor executing the computer program;
wherein the processor, when executing the computer program, implements the control method of the battery system according to any one of claims 6 to 8.
10. A vehicle, characterized by comprising:
the battery system of any one of claims 1 to 5; and
the control device of the battery system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015190.0A CN113937385B (en) | 2021-08-31 | 2021-08-31 | Battery system, control method and control device for battery system, and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015190.0A CN113937385B (en) | 2021-08-31 | 2021-08-31 | Battery system, control method and control device for battery system, and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113937385A true CN113937385A (en) | 2022-01-14 |
| CN113937385B CN113937385B (en) | 2024-01-09 |
Family
ID=79274903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111015190.0A Active CN113937385B (en) | 2021-08-31 | 2021-08-31 | Battery system, control method and control device for battery system, and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113937385B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614146A (en) * | 2022-03-16 | 2022-06-10 | 东风汽车集团股份有限公司 | Temperature equalizing system and temperature equalizing control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206802377U (en) * | 2017-01-23 | 2017-12-26 | 威马汽车技术有限公司 | Commutator and battery bag heat management system |
| CN212874601U (en) * | 2020-09-30 | 2021-04-02 | 蜂巢能源科技有限公司 | Liquid cooling device of battery pack, battery pack and vehicle |
-
2021
- 2021-08-31 CN CN202111015190.0A patent/CN113937385B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206802377U (en) * | 2017-01-23 | 2017-12-26 | 威马汽车技术有限公司 | Commutator and battery bag heat management system |
| CN212874601U (en) * | 2020-09-30 | 2021-04-02 | 蜂巢能源科技有限公司 | Liquid cooling device of battery pack, battery pack and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614146A (en) * | 2022-03-16 | 2022-06-10 | 东风汽车集团股份有限公司 | Temperature equalizing system and temperature equalizing control method |
| CN114614146B (en) * | 2022-03-16 | 2024-06-25 | 东风汽车集团股份有限公司 | Temperature equalizing system and temperature equalizing control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113937385B (en) | 2024-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111439167B (en) | Multi-environment comprehensive heat management method for fuel cell vehicle | |
| CN111016737B (en) | Electric automobile thermal management system, control method and electric automobile | |
| CN206221051U (en) | A kind of engine split independent cooling system | |
| CN208827529U (en) | A kind of automotive thermal tube reason system and automobile | |
| CN213654973U (en) | Engine cooling system, engine and vehicle | |
| CN108776025B (en) | Thermal management system test platform of electric drive system | |
| CN112238733A (en) | Electric automobile heat regulation and control system | |
| CN113937385A (en) | Battery system, control method and control device of battery system and vehicle | |
| CN111509333A (en) | Partitioned thermal management control method for battery pack | |
| CN207864042U (en) | Engine thermal management system and engine | |
| CN107605587B (en) | Cooling system and cooling system adjusting method | |
| CN111186290A (en) | Battery cooling system, electric vehicle and control method | |
| CN210733893U (en) | Electric automobile's thermal management system and electric automobile that has it | |
| CN113258096A (en) | Fuel cell thermal management system | |
| CN111746224A (en) | Range-extended electric vehicle thermal management system and control method thereof | |
| CN115071367A (en) | Integrated thermal management control method for pure electric vehicle based on energy consumption optimization | |
| CN115649011A (en) | Thermal management system and vehicle | |
| CN108390129A (en) | Temperature-adjusting device | |
| CN212323044U (en) | Temperature management system for high-power fuel cell engine | |
| US11552347B2 (en) | Bi-directional switchable cooling flow for traction battery | |
| CN210607533U (en) | Vehicle battery pack refrigerant direct cooling heat dissipation and heating device | |
| CN211265672U (en) | New forms of energy power battery thermal management controlling means | |
| CN209607878U (en) | A kind of electric automobile lithium battery heat management system based on heat pump air conditioner | |
| CN211592229U (en) | Battery cooling system and electric vehicle | |
| CN109638383A (en) | A kind of battery heat exchanger integration module and its heat change method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |