CN209552990U - Battery management system, electrokinetic cell system and vehicle - Google Patents
Battery management system, electrokinetic cell system and vehicle Download PDFInfo
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- CN209552990U CN209552990U CN201822099509.2U CN201822099509U CN209552990U CN 209552990 U CN209552990 U CN 209552990U CN 201822099509 U CN201822099509 U CN 201822099509U CN 209552990 U CN209552990 U CN 209552990U
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- control module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model relates to a kind of battery management system, electrokinetic cell system and vehicles, the battery management system includes that main control module, high-pressure modular and at least two are corresponding with each battery module from control module, main control module includes the first wireless communication unit, it include respectively the second wireless communication unit from control module, high-pressure modular includes third wireless communication unit, main control module, high-pressure modular and is respectively connected from control module by the realization wireless telecommunications of corresponding wireless communication unit.The utility model by main control module, high-pressure modular and respectively from control module on a wireless communication unit is respectively set, it may be implemented between main control module and high-pressure modular and main control module and respectively from the wireless telecommunications between control module, since each module is connected without harness between each other, not only avoid interlocking between high-low pressure harness, and the arrangement of each module is more flexible, applicability is stronger.
Description
Technical field
The utility model relates to a kind of battery management system, electrokinetic cell system and vehicles, belong to battery management system skill
Art field.
Background technique
With the development of new energy technology and popularizing for new energy vehicle, power battery is in electric vehicle and energy storage etc.
Field with more and more extensive.In order to guarantee that power battery uses safe and reliable, in the item for improving battery core safety itself
Under part, a set of reliable and stable battery management system is essential.
The high-voltage safety effect that performer holds the balance in the operation life cycle of electric vehicle, in order to guarantee cell tube
The safety of reason system and the convenience used can greatly improve battery by the way of the installation of high-low pressure separate design
The flexibility of management system.
The managerial ability of battery management system largely determine the reliability of lithium battery system, economy, the long-life,
Intelligent maintenance etc. is all made of the mode of harness connecting communication at present between each module of the management system of lithium battery.For example,
Authorization Notice No. is that the patent of invention file of CN107946673B discloses a kind of Vehicular dynamic battery management system, including master control
Module, from control module and high-pressure modular, wherein the main control module is used to receive the acquisition data of other modules, and according to acquisition number
According to the control signal for determining corresponding module；It should be used to carry out data acquisition and relevant to corresponding battery module from control module
Control；The high-pressure modular is for realizing functions such as total pressure measurement and current acquisitions.Since these three modules pass through CAN communication interface
And CAN bus is attached, the mode that harness connecting communication is all made of between each module realizes connection, so that needing in system
Many harness, and the connection relationship between harness is more complicated, also will cause the mutual shadow of signal between high-low pressure harness
Interference is rung, and the input cost of harness is higher, so that existing during battery installation and after-sale service very big
Inconvenience and safety cannot ensure.It also, is nonstandard module presently, there are the battery module in battery pack, if master control
Module, from control module and high-pressure modular between be all made of wired mode connection, then, different battery modules it is corresponding from control mould
Connecting interface between block and main control module can be different, will lead to non-interchangeable between battery module, and versatility is lower.
Utility model content
The purpose of the utility model is to provide a kind of battery management system, electrokinetic cell system and vehicles, lead for solving
Control module realizes connection from the mode for being all made of harness connecting communication between control module and high-pressure modular, causes between harness
The more complicated problem of connection relationship.
In order to solve the above technical problems, the utility model provides a kind of battery management system, including main control module, high pressure
Module and at least two it is corresponding with each battery module from control module, the main control module include the first wireless communication unit, respectively
It include the second wireless communication unit from control module, the high-pressure modular includes third wireless communication unit, main control module, high pressing mold
Block with respectively from control module by corresponding wireless communication unit realization wireless telecommunications connect.
In order to solve the above technical problems, the utility model additionally provides a kind of electrokinetic cell system, including battery pack and electricity
Pond management system, the battery pack include at least two battery modules, and the battery management system includes main control module, high pressing mold
Block and at least two it is corresponding with each battery module from control module, the main control module include the first wireless communication unit, respectively from
Controlling module includes the second wireless communication unit, and the high-pressure modular includes third wireless communication unit, main control module, high-pressure modular
Respectively wireless telecommunications connection is realized from control module by corresponding wireless communication unit.
In order to solve the above technical problems, the utility model additionally provides a kind of vehicle, including vehicle body and power electric
Cell system, the electrokinetic cell system include battery pack and battery management system, and the battery pack includes at least two battery moulds
Block, the battery management system include main control module, high-pressure modular and at least two it is corresponding with each battery module from control module,
The main control module includes the first wireless communication unit, includes respectively the second wireless communication unit, the high-pressure modular from control module
Including third wireless communication unit, main control module, high-pressure modular and respectively realized from control module by corresponding wireless communication unit
Wireless telecommunications connection.
The beneficial effects of the utility model are: by main control module, high-pressure modular and respectively from control module on be respectively set
One wireless communication unit, may be implemented between main control module and high-pressure modular and main control module and respectively from control module between
Wireless telecommunications not only avoid interlocking between high-low pressure harness, and each module since each module is connected without harness between each other
Arrangement it is more flexible, it is with strong applicability.
As the further improvement of battery management system, electrokinetic cell system and vehicle, in order to realize battery set charge/discharge
Process management, the main control module further include the first MCU, for detect receive coherent signal detecting signal unit, for
The CAN communication unit that external vehicle communicates and the power rail control unit for drive control associated contact device, described first
MCU connection first wireless communication unit, detecting signal unit, CAN communication unit and power rail control unit.
As the further improvement of battery management system, electrokinetic cell system and vehicle, in order to realize the voltage of battery pack
It is described to further include the 2nd MCU, be used for acquisition pair from control module with the electric voltage equalization between temperature monitoring and battery pack battery core monomer
Answer the voltage acquisition unit of battery module voltages signal and the temperature acquisition list for acquiring corresponding battery module temperature signal
Member, the 2nd MCU connection second wireless communication unit, voltage acquisition unit and temperature collecting cell.
As the further improvement of battery management system, electrokinetic cell system and vehicle, in order to realize total electricity of battery pack
Pressing functions, the high-pressure modulars such as acquisition, high-voltage isulation monitoring, high tension loop current acquisition further includes the 3rd MCU, for acquiring
The stagnation pressure acquisition unit of assembled battery total voltage signal, the current acquisition unit for acquiring high tension loop total current signal and use
In the Insulation monitoring unit of detection high tension loop insulation against ground resistance, the 3rd MCU connection third wireless communication unit,
Stagnation pressure acquisition unit, current acquisition unit and Insulation monitoring unit.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model battery management system；
Fig. 2 is the internal structure block diagram of the utility model high-pressure modular；
Fig. 3 is the internal structure block diagram of the utility model main control module；
Fig. 4 is internal structure block diagram of the utility model from control module.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
The present invention will be further described in detail for embodiment.
Battery management system embodiment:
A kind of battery management system is present embodiments provided, the structural block diagram of the battery management system is as shown in Figure 1, include
Main control module, high-pressure modular and n from control module, n >=2, n can be numbered respectively from control module be CSC1, CSC2 ...,
CSCn can be carried out true each from the corresponding battery module of control module from the number n of control module according to the number of battery module
It is fixed.Wherein, main control module, high-pressure modular and from control module include each a wireless communication unit, it is wireless by these
Communication between main control module and high-pressure modular and main control module may be implemented and respectively from logical between control module in communication unit
News, to realize the wireless transmission of associated communication information.
In the present embodiment, main control module, high-pressure modular and each from the wireless communication unit of control module using current
Mature 2.4G bluetooth communication scheme, Zigbee communication scheme or wifi communication scheme.Certainly, as other embodiments,
Wireless communication unit can also be using other wireless telecommunications schemes in the prior art such as 4G.Main control module, high-pressure modular and
It is each the forms of broadcasting from the wireless communication mode of control module, is not limited to point-to-point.In order to realize reliable power supply, main control module,
It high-pressure modular and is each directly powered from control module using high-voltage wiring harness.
It, can be with by main control module, high-pressure modular and being each respectively provided with a wireless communication unit from control module
It realizes main control module, high-pressure modular, from the wireless telecommunications connection between control module, is connected between each other without harness, each module
Arrangement form can be adjusted according to project demands, modules complete the work of itself, no longer using complicated correlation
Signal harness is handled.Not only physically realize the separated purpose of high-low pressure in this way, moreover it is possible to avoid high-low pressure harness it
Between staggeredly so that three parts, that is, main control module of power battery BMS, high-pressure modular and from control module arrangement it is cleverer
It is living, facilitate research and development development operation, shortens development cycle and the debugging difficulty of power battery BMS.
High-pressure modular (HVU) is mainly used for being responsible for the total voltage acquisition of battery pack, high-voltage isulation monitoring, high tension loop electric current
Acquisition etc., corresponding internal structure block diagram is as shown in Figure 2.The high-pressure modular in addition to include wireless communication unit other than, further include
One MCU (chip), stagnation pressure acquisition unit, current acquisition unit, Insulation monitoring unit and power distribution unit, the high pressing mold
The corresponding MCU of block communicates to connect its corresponding wireless communication unit, stagnation pressure acquisition unit, current acquisition unit, Insulation monitoring list
Member and power distribution unit.For the ease of integrated, each unit inside the high-pressure modular be can be set in a hardboard
On, entire hardboard is in high-pressure side, and plate is interior without low-voltage electrical part.Wherein, which is mainly used for battery pack
Total voltage signal acquisition and contactor adhesion diagnosis, the current acquisition unit is for being responsible for high tension loop total current signal
Acquisition, the Insulation monitoring unit are used to be responsible for the detection of high tension loop insulation against ground resistance, which is used for will be defeated
Enter the power supply come in and carry out respective handling to carry out processing distribution according to the power demands of high-pressure modular, the high-pressure modular is corresponding
Wireless communication unit is then responsible for the information inside high-pressure modular and the information exchange between external module and strategy obtains.Due to the height
The corresponding MCU of die block, stagnation pressure acquisition unit, current acquisition unit, Insulation monitoring unit and power distribution unit it is specific
Structure and its course of work belong to the prior art, and details are not described herein again.
Main control module (BMU) is mainly used for being responsible for battery set charge/discharge process management and with high-pressure modular and each from control
Module carries out data exchange and completes certain set strategies, and corresponding internal structure block diagram is as shown in Figure 3.The main control module removes
Include outside wireless communication unit, further includes MCU (chip), charging gun administrative unit, a detecting signal unit, CAN communication
Unit, power rail control unit, power distribution unit, internal resource unit and other function unit etc..The main control module pair
The MCU answered communicate to connect its corresponding wireless communication unit, charging gun administrative unit, detecting signal unit, CAN communication unit with
And power rail control unit.For the ease of integrated, each unit inside the main control module be can be set on a master control borad,
Entire master control borad is in low-pressure side, and plate is interior without high-voltage electrical apparatus part.Wherein, which is responsible for power battery BMS
With the logical process of charging gun, for controlling charging gun, which receives coherent signal for detecting, as key is believed
Number, wake-up signal, addressing signal etc., the power distribution unit is for completing each unit power distribution inside master control borad, the CAN
Communication unit is used to communicate with external vehicle, which is used for drive control associated contact device, internal resource list
Including Flash/FRAM/RTC etc., the corresponding MCU of the main control module is used for the various signals in received inside and high member
It die block and is each handled from the signal that sends over of control module, so that it is determined that corresponding control information.Due to the master control
The corresponding MCU of module, charging gun administrative unit, detecting signal unit, CAN communication unit, power rail control unit, power distribution
Unit, the specific structure of internal resource unit and other function unit and its course of work belong to the prior art, herein
It repeats no more.
It is equal to be mainly used for voltage between the voltage and temperature monitoring and battery core of being responsible for batteries monomer from control module (CSC)
Weighing apparatus, corresponding internal structure block diagram are as shown in Figure 4.It should further include one from control module other than including wireless communication unit
MCU (chip), voltage acquisition unit, temperature collecting cell, electric voltage equalization unit, Power Management Unit and other function list
Member, should be communicated to connect from the corresponding MCU of control module its corresponding wireless communication unit, voltage acquisition unit, temperature collecting cell,
Electric voltage equalization unit, Power Management Unit.For the ease of integrated, should can be set from each unit of control inside modules at one
From control plate, it entirely is in high-pressure side from control plate, plate is interior without low-voltage electrical part.Wherein, the voltage acquisition unit and temperature are adopted
Collection unit passes through voltage acquisition harness respectively and connects battery pack with temperature acquisition harness, and voltage acquisition unit is for being responsible for battery pack
The voltage signal acquisition of middle corresponding battery module (battery core monomer), temperature collecting cell is for being responsible for corresponding to battery mould in battery pack
The temperature signal collection of block (battery core monomer), and electric voltage equalization unit is then responsible for realizing the equalization function between battery core monomer.Voltage
Acquisition unit, temperature collecting cell, electric voltage equalization unit are controlled by the logic control from the corresponding MCU of control module, related
The strategy and battery core monomer information of logic function control are by from the wireless communication unit and other external moulds in control module
Block interacts acquisition.Since this is from the corresponding MCU of control module, voltage acquisition unit, temperature collecting cell, electric voltage equalization list
Member, the specific structure of Power Management Unit and other function unit and its course of work belong to the prior art, herein not
It repeats again.
Electrokinetic cell system embodiment:
A kind of electrokinetic cell system is present embodiments provided, which includes battery pack and battery management system
System, the battery pack include at least two battery modules, since the battery management system is real in above-mentioned battery management system
It applies in example and is described in detail, details are not described herein again.
Vehicle embodiments:
A kind of vehicle is present embodiments provided, which includes vehicle body and electrokinetic cell system, the power battery
System includes battery pack and battery management system, which includes at least two battery modules, due to the battery management system
It is described in detail in above-mentioned battery management system embodiment, details are not described herein again.
Finally it should be noted that above embodiments are merely to illustrate the technical solution of the utility model rather than protect to it
The limitation of range, although the application is described in detail referring to above-described embodiment, those of ordinary skill in the art
It should be appreciated that those skilled in the art can still carry out various changes after reading the application to the specific embodiment of application, repair
Change perhaps equivalent replacement but these change, modification or equivalent replacement, the claims of the utility model it
It is interior.
Claims (10)
1. a kind of battery management system, including main control module, high-pressure modular and at least two are corresponding with each battery module from control
Module, which is characterized in that the main control module includes the first wireless communication unit, includes respectively the second wireless telecommunications list from control module
Member, the high-pressure modular include third wireless communication unit, main control module, high-pressure modular and respectively pass through corresponding nothing from control module
Line communication unit realizes wireless telecommunications connection.
2. battery management system according to claim 1, which is characterized in that the main control module further includes the first MCU, uses
In the detecting signal unit of detection reception coherent signal, the CAN communication unit for being communicated with external vehicle and for driving
Control the power rail control unit of associated contact device, the first MCU connection first wireless communication unit, signal detection list
Member, CAN communication unit and power rail control unit.
3. battery management system according to claim 1 or 2, which is characterized in that it is described from control module further include second
MCU, the voltage acquisition unit for acquiring corresponding battery module voltages signal and for acquiring corresponding battery module temperature letter
Number temperature collecting cell, the 2nd MCU connection second wireless communication unit, voltage acquisition unit and temperature acquisition
Unit.
4. battery management system according to claim 1 or 2, which is characterized in that the high-pressure modular further includes third
MCU, the stagnation pressure acquisition unit for acquiring assembled battery total voltage signal are adopted for acquiring the electric current of high tension loop total current signal
Collect unit and the Insulation monitoring unit for detecting high tension loop insulation against ground resistance, the 3rd MCU connection third
Wireless communication unit, stagnation pressure acquisition unit, current acquisition unit and Insulation monitoring unit.
5. a kind of electrokinetic cell system, including battery pack and battery management system, the battery pack includes at least two battery moulds
Block, the battery management system include main control module, high-pressure modular and at least two it is corresponding with each battery module from control module,
It is characterized in that, the main control module includes the first wireless communication unit, it include respectively the second wireless communication unit, institute from control module
Stating high-pressure modular includes third wireless communication unit, main control module, high-pressure modular and respectively passes through corresponding channel radio from control module
It interrogates unit and realizes wireless telecommunications connection.
6. electrokinetic cell system according to claim 5, which is characterized in that the main control module further includes the first MCU, uses
In the detecting signal unit of detection reception coherent signal, the CAN communication unit for being communicated with external vehicle and for driving
Control the power rail control unit of associated contact device, the first MCU connection first wireless communication unit, signal detection list
Member, CAN communication unit and power rail control unit.
7. electrokinetic cell system according to claim 5 or 6, which is characterized in that it is described from control module further include second
MCU, the voltage acquisition unit for acquiring corresponding battery module voltages signal and for acquiring corresponding battery module temperature letter
Number temperature collecting cell, the 2nd MCU connection second wireless communication unit, voltage acquisition unit and temperature acquisition
Unit.
8. electrokinetic cell system according to claim 5 or 6, which is characterized in that the high-pressure modular further includes third
MCU, the stagnation pressure acquisition unit for acquiring assembled battery total voltage signal are adopted for acquiring the electric current of high tension loop total current signal
Collect unit and the Insulation monitoring unit for detecting high tension loop insulation against ground resistance, the 3rd MCU connection third
Wireless communication unit, stagnation pressure acquisition unit, current acquisition unit and Insulation monitoring unit.
9. a kind of vehicle, including vehicle body and electrokinetic cell system, the electrokinetic cell system include battery pack and battery
Management system, the battery pack include at least two battery modules, and the battery management system includes main control module, high-pressure modular
It is corresponding with each battery module from control module at least two, which is characterized in that the main control module includes the first wireless telecommunications
Unit includes respectively the second wireless communication unit from control module, and the high-pressure modular includes third wireless communication unit, master control mould
Block, high-pressure modular and respectively from control module by corresponding wireless communication unit realization wireless telecommunications connect.
10. vehicle according to claim 9, which is characterized in that the main control module further includes the first MCU, for detecting
Receive the detecting signal unit of coherent signal, the CAN communication unit for communicate with external vehicle and for drive control phase
Close the power rail control unit of contactor, the first MCU connection first wireless communication unit, detecting signal unit, CAN
Communication unit and power rail control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099509.2U CN209552990U (en) | 2018-12-13 | 2018-12-13 | Battery management system, electrokinetic cell system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099509.2U CN209552990U (en) | 2018-12-13 | 2018-12-13 | Battery management system, electrokinetic cell system and vehicle |
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| CN209552990U true CN209552990U (en) | 2019-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319511A (en) * | 2018-12-13 | 2020-06-23 | 郑州深澜动力科技有限公司 | Battery management system, power battery system and vehicle |
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2018
- 2018-12-13 CN CN201822099509.2U patent/CN209552990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319511A (en) * | 2018-12-13 | 2020-06-23 | 郑州深澜动力科技有限公司 | Battery management system, power battery system and vehicle |
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