CN107863571A - A kind of electrokinetic cell parameter acquisition system - Google Patents
A kind of electrokinetic cell parameter acquisition system Download PDFInfo
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- CN107863571A CN107863571A CN201710951096.3A CN201710951096A CN107863571A CN 107863571 A CN107863571 A CN 107863571A CN 201710951096 A CN201710951096 A CN 201710951096A CN 107863571 A CN107863571 A CN 107863571A
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- 238000004891 communication Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of electrokinetic cell parameter acquisition system, one parameter acquisition plate is installed including each battery cell in parameter acquisition plate and master control borad battery bag, the battery parameter of the parameter acquisition plate collection battery cell, one master control borad of installation in battery bag, all parameter acquisition plates and the master control borad wireless connection.The each battery cell of the system installs a parameter acquisition plate, the battery parameter of battery cell is gathered by parameter acquisition plate, whole battery bag installs a master control borad, all parameter acquisition plates use wireless communication with master control borad, the battery parameter of collection is wirelessly transmitted to master control borad by parameter acquisition plate, it effectively prevent the potential safety hazards such as error caused by line and cable damage, cable acquisition expenses is at utmost saved simultaneously, expense caused by expense and later period maintenance caused by wiring, cost is reduced, extends the service life of battery bag.
Description
Technical field
The present invention relates to power battery technology field, more particularly to a kind of electrokinetic cell parameter acquisition system.
Background technology
In the prior art, the monitoring of the battery parameter such as the voltage of battery cell, temperature mainly has two ways：Manual measurement
With wired automatic measurement.
Manual measurement carries out parameter measurement using universal meter, thermometer etc. to each battery mostly.Manual measurement is due to being
Manually each battery cell parameter is measured respectively, there is that time-consuming, can not the whole battery pack of synchronous acquisition monomer information, with
And artificial reading the problems such as may reporting by mistake.
Although wired automatic measurement can be with the monomer information of the whole battery pack of synchronous acquisition.But need for each battery list
Body configures independent collection wire.By taking 450V battery pack commercial car as an example, a battery bag includes an acquisition module, and installs
Front end inside battery bag, main control module are arranged in vehicle high-voltage electrical appliance kit, it is necessary to independent for the configuration of each battery cell
Collection wire, collection wire be from battery cell to acquisition module, the battery cell number that a battery bag includes is about 120
Individual, battery bag is about 3 meters, it is necessary to which 121 collection wires, length is from 1 meter to 3 meters, and acquisition module and master control mould
Block uses wired connection, usually two power lines, two connections, general 3-5 rice.Acquisition expenses is not only considerably increased,
And production and assembly battery bag has situations such as wiring error, virtual connection, with the use of vehicle, the collection point for gathering wire be present
Come off, wire rod aging internal resistance increase the problems such as.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of electrokinetic cell parameter acquisition
System, effectively overcome the deficiency of traditional wired monitoring of battery cell parameter information.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of electrokinetic cell parameter acquisition system, including ginseng
Number collection plate BMU and master control borad BCU；Each battery cell installs a parameter acquisition plate BMU, the parameter acquisition in battery bag
Plate BMU gathers the battery parameter of battery cell, in battery bag installation one master control borad BCU, all parameter acquisition plate BMU with
The master control borad BCU wireless connections.
The beneficial effects of the invention are as follows：Each battery cell installs a parameter acquisition plate, parameter acquisition plate in the system
BMU is directly installed on battery electrode, saves 1 to 3 meter of collection wire, and the battery that battery is gathered by parameter acquisition plate BMU is joined
Number, whole battery bag install master control borad a BCU, all parameter acquisition plate BMU and master control borad BCU and use wireless communication,
The battery parameter of collection is wirelessly transmitted to master control borad BCU by parameter acquisition plate BMU, effectively prevent error caused by line and line
The potential safety hazards such as cable damage, and two power lines are saved, two connections, general 3 to 5 meters, at utmost save cable purchase
Put expense, expense caused by expense and later period maintenance caused by wiring, reduce cost, extend battery bag using week
Phase；And each parameter acquisition plate BMU gathers the parameter information of a battery cell, when a certain parameter acquisition plate BMU breaks down
When, do not interfere with the parameter acquisitions of other battery cells.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the parameter acquisition plate BMU includes wireless voltage temperature acquisition chip SOC, memory and voltage conditioning
Circuit；The wireless voltage temperature acquisition chip SOC is connected with the memory and the voltage modulate circuit respectively, the electricity
Modulate circuit is pressed to draw four leads, the two poles of the earth of two of which lead connecting single batteries, two other lead is connected and fixed on
The both ends of temperature sensor on the battery cell.
Using the beneficial effect of above-mentioned further scheme, the battery parameter collected (such as voltage, temperature) signal passes through
Voltage modulate circuit carries out hardware attenuation filter processing, to obtain accurate battery parameter, is then delivered to wireless voltage temperature and adopts
Collect chip SOC analog acquisition port, microcontroller carries out further software filtering algorithm to the battery parameter collected
Processing, is handled the battery parameter of collection by voltage modulate circuit, is obtained accurate and is adopted in wireless voltage temperature
Collect the battery parameter of chip SOC acquisition ranges, be easy to wireless voltage temperature acquisition chip SOC further to handle；Memory and nothing
Line voltage temperature acquisition chip SOC is communicated by SPI, and voltage acquisition algorithm, wireless voltage temperature acquisition can be stored in memory
Chip SOC realizes the collection of battery parameter by spi bus loading procedure to microcontroller, and can be by journey in memory
Sequence is configured, and idle pulley is arranged to when setting multiple-working mode, such as no transceiving data, is closed when detecting that vehicle stops
Shutdown mode is arranged to after closing, mode of operation is various, and control is flexible；Wireless voltage temperature acquisition chip SOC individually calculates battery
The parameter information (such as voltage, temperature) of monomer, the operand of master control borad is greatly reduced, improve the collection effect of acquisition system
Rate, and wirelessly send to master control borad, greatly save amount of wiring.
Further, the voltage modulate circuit includes the first operational amplifier and the second operational amplifier；First fortune
The positive pole and negative pole of two input connecting single batteries of amplifier are calculated, output end connects wireless voltage temperature acquisition chip
SOC；The both ends of two inputs connection temperature sensor of second operational amplifier, output end connect wireless voltage temperature
Acquisition chip SOC.
Using the beneficial effect of above-mentioned further scheme, voltage conditioning is carried out by operational amplifier, can be obtained accurate
And in wireless voltage temperature acquisition chip SOC acquisition ranges battery parameter, be easy to wireless voltage temperature acquisition chip SOC
Further processing.
Further, the wireless voltage temperature acquisition chip SOC includes crystal oscillator, frequency synthesizer, receives demodulation
Device, microcontroller, modulator, power amplifier and onboard antenna circuit, the crystal oscillator, frequency synthesizer, receive solution
Device is adjusted to be connected with the microcontroller, the microcontroller is connected with the modulator, and the modulator is put with the power
Big device connection, the power amplifier are connected with the onboard antenna circuit.
Using the beneficial effect of above-mentioned further scheme, microcontroller, frequency built in wireless voltage temperature acquisition chip SOC
Synthesizer, receive demodulator, power amplifier, crystal oscillator, modulator and onboard antenna circuit；When wireless voltage temperature is adopted
When collection chip SOC power port has power supply, crystal oscillator starts the clock signal that vibration produces fixed frequency, there is provided to micro-
The clock of fixed frequency clock synthesis predeterminated frequency is supplied to built-in microcontroller by controller, frequency synthesizer；Work as reception
During wireless data, air analog signal is converted into data signal and sends microcontroller to by reception demodulator, when transmission is without line number
According to when, microcontroller sends data signal to modulator, and modulator converts digital signals into the analog signal being wirelessly transferred,
The air analog signal increase power that power amplifier will be sent, and gone out by onboard antenna circuit transmission.Realize ginseng
Number collection plate BMU collection battery parameters, each parameter acquisition plate BMU individually calculate battery cell by the microcontroller built in it
Parameter information (such as voltage, temperature), greatly reduce the operand of master control borad, improve the collecting efficiency of acquisition system,
And when a certain parameter acquisition plate BMU breaks down, the parameter acquisition of other battery cells is not influenceed, and wirelessly
Send to master control borad, greatly save amount of wiring.
Further, the wireless voltage temperature acquisition chip SOC is based on FSK modulation mode using I SM frequency ranges and sends battery
Parameter.
Using the beneficial effect of above-mentioned further scheme, ISM band belongs to Free License, without authorization
Use.ISM band is based on FSK modulation mode, using efficient forward error correction channel technology, ensure that the accurate of measurement result
Degree.
Further, the size of the parameter acquisition plate BMU is 2cm*2cm.
Using the beneficial effect of above-mentioned further scheme, parameter acquisition plate BMU compact structures, occupy little space, can be convenient
It is installed on battery cell.
Further, the master control borad BCU includes wireless module and main control chip, and the wireless module and main control chip are electrically connected
Connect.
Using the beneficial effect of above-mentioned further scheme, master control borad BCU is provided with wireless module and a main control chip, nothing
Wire module is communicated with main control chip by spi bus, and main control chip uses open circuit voltage method by the voltage parameter of each monomer
Battery remaining power SOC is calculated, over-pressed, under-voltage, temperature is judged according to the specifications of battery with reference to magnitude of voltage, the temperature value collected
Low or excessively high failure is spent, fault message can be reported entire car controller in time.
Further, the wireless module is connected with main control chip by spi bus.
Brief description of the drawings
Fig. 1 is the schematic block diagram for the electrokinetic cell parameter acquisition system that one embodiment of the invention provides；
Fig. 2 is the schematic block diagram for the electrokinetic cell parameter acquisition system that another embodiment of the present invention provides；
Fig. 3 is that the parameter acquisition plate BMU for the electrokinetic cell parameter acquisition system that one embodiment of the invention provides schematically is tied
Structure block diagram；
Fig. 4 is that the parameter acquisition plate BMU for the electrokinetic cell parameter acquisition system that another embodiment of the present invention provides is schematic
Structured flowchart；
Fig. 5 is the wireless voltage temperature acquisition chip for the electrokinetic cell parameter acquisition system that one embodiment of the invention provides
SOC schematic block diagrams；
Fig. 6 is the master control borad BCU schematic structures for the electrokinetic cell parameter acquisition system that another embodiment of the present invention provides
Block diagram.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
The schematic structure frame that Fig. 1,2 give a kind of electrokinetic cell parameter acquisition system provided in an embodiment of the present invention
Figure.As shown in Figure 1, 2, the system includes parameter acquisition plate BMU and master control borad BCU；Each battery cell installation one in battery bag
Individual parameter acquisition plate BMU, the battery parameter of the parameter acquisition plate BMU collections battery cell, battery bag one master control of interior installation
Plate BCU, all parameter acquisition plate BMU and the master control borad BCU wireless connections.
In the embodiment, each battery cell installs a parameter acquisition plate BMU, and parameter acquisition plate BMU is directly installed on
On battery electrode, 1 to 3 meter of collection wire is saved, the battery parameter of battery, whole battery bag are gathered by parameter acquisition plate BMU
Installation one master control borad BCU, all parameter acquisition plate BMU and master control borad BCU use wireless communication, parameter acquisition plate BMU
The battery parameter of collection is wirelessly transmitted to master control borad BCU, effectively prevent the safety such as error caused by line and cable damage
Hidden danger, two power lines are saved, two connections, general 3 to 5 meters, at utmost save cable acquisition expenses, wiring produces
Expense and later period maintenance caused by expense, reduce cost, extend the service life of battery bag；And each parameter acquisition
Plate BMU gathers the parameter information of a battery cell, when a certain parameter acquisition plate BMU breaks down, does not interfere with other electricity
The parameter acquisition of pond monomer.
Preferably as one embodiment of the invention, as shown in Figure 3,4, the parameter acquisition plate BMU includes wireless voltage
Temperature acquisition chip SOC, memory and voltage modulate circuit；The wireless voltage temperature acquisition chip SOC deposits with described respectively
Reservoir connects with the voltage modulate circuit, and the voltage modulate circuit draws four leads, two of which lead connection battery
The two poles of the earth of monomer, two other lead are connected and fixed on the both ends of the temperature sensor on the battery cell.In the embodiment,
Memory can use eeprom memory.
In the embodiment, battery parameter (such as voltage, temperature) signal collected is carried out firmly by voltage modulate circuit
The processing of part attenuation filter, to obtain accurate battery parameter, the analog quantity for being then delivered to wireless voltage temperature acquisition chip SOC is adopted
Collect port, microcontroller carries out further software filtering algorithm process to the battery parameter collected, and electricity is nursed one's health by voltage
Road is handled the battery parameter of collection, is obtained accurate and in wireless voltage temperature acquisition chip SOC acquisition ranges
Battery parameter, it is easy to wireless voltage temperature acquisition chip SOC further to handle；Memory and wireless voltage temperature acquisition chip
SOC is communicated by SPI, and voltage acquisition algorithm can be stored in memory, and wireless voltage temperature acquisition chip SOC passes through spi bus
Loading procedure realizes the collection of battery parameter, and can be set a variety of by being configured to memory internal program to microcontroller
Idle pulley is arranged to during mode of operation, such as no transceiving data, shutdown mode is arranged to after detecting that vehicle parking is closed,
Mode of operation is various, and control is flexible；Wireless voltage temperature acquisition chip SOC individually calculates the parameter information of battery cell (such as electricity
Pressure, temperature etc.), the operand of master control borad is greatly reduced, improves the collecting efficiency of acquisition system, and is wirelessly sent out
Master control borad is delivered to, greatlys save amount of wiring.
Preferably, the voltage modulate circuit includes the first operational amplifier U1 and the second operational amplifier U2；Described
The positive pole and negative pole of one operational amplifier U1 two input connecting single batteries, output end connect wireless voltage temperature acquisition
Chip SOC；The both ends of two inputs connection temperature sensor of the second operational amplifier U2, output end connection radio
Press temperature acquisition chip SOC.
Voltage conditioning is carried out by operational amplifier, can obtain accurate and be in wireless voltage temperature acquisition chip
The battery parameter of SOC acquisition ranges, it is easy to wireless voltage temperature acquisition chip SOC further to handle.
Preferably as one embodiment of the invention, as shown in figure 5, the wireless voltage temperature acquisition chip SOC includes
Crystal oscillator, frequency synthesizer, receive demodulator, microcontroller, modulator, power amplifier and onboard antenna circuit, institute
State crystal oscillator, frequency synthesizer, reception demodulator to be connected with the microcontroller, the microcontroller and the modulation
Device is connected, and the modulator is connected with the power amplifier, and the power amplifier is connected with the onboard antenna circuit.
In the embodiment, microcontroller built in wireless voltage temperature acquisition chip SOC, frequency synthesizer, receive demodulator,
Power amplifier, crystal oscillator, modulator and onboard antenna circuit；When wireless voltage temperature acquisition chip SOC power end
When mouth has power supply, crystal oscillator starts the clock signal that vibration produces fixed frequency, there is provided to microcontroller, frequency synthesizer
The clock of fixed frequency clock synthesis predeterminated frequency is supplied to built-in microcontroller；When receiving wireless data, solution is received
Device is adjusted air analog signal is converted into data signal to send microcontroller to, when sending wireless data, microcontroller is by number
Word signal sends modulator to, and modulator converts digital signals into the analog signal being wirelessly transferred, and power amplifier will be sent out
The air analog signal increase power sent, and gone out by onboard antenna circuit transmission.Realize parameter acquisition plate BMU collection electricity
Pond parameter, each battery cell install parameter acquisition plate a BMU, each parameter acquisition plate BMU and pass through the microcontroller built in it
Device individually calculates the parameter information (such as voltage, temperature) of battery cell, greatly reduces the operand of master control borad, improves and adopt
The collecting efficiency of collecting system, and when a certain parameter acquisition plate BMU breaks down, the parameter for not influenceing other battery cells is adopted
Collection, and wirelessly send to master control borad, greatly save amount of wiring.
Preferably, wireless voltage temperature acquisition chip SOC is based on FSK modulation mode using I SM frequency ranges and sends battery ginseng
Number.ISM band belongs to Free License, can be used without authorization.ISM band is based on FSK modulation mode, using height
Forward error correction channel technology is imitated, ensure that the degree of accuracy of measurement result.
Preferably, parameter acquisition plate BMU size is 2cm*2cm.Parameter acquisition plate BMU compact structures, occupy little space,
Convenient it can be installed on battery cell.
Preferably as one embodiment of the invention, as shown in fig. 6, the master control borad BCU includes wireless module and master control
Chip, wireless module and the main control chip electrical connection.The wireless module is connected with main control chip by spi bus.
In the embodiment, master control borad BCU is provided with wireless module and a main control chip, wireless module lead to main control chip
Spi bus communication is crossed, main control chip calculates battery remaining power by the voltage parameter of each monomer using open circuit voltage method
SOC, judges according to the specifications of battery over-pressed, under-voltage with reference to magnitude of voltage, the temperature value collected, and temperature is too low or excessively high
Failure, fault message can be reported entire car controller in time.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of electrokinetic cell parameter acquisition system, it is characterised in that including parameter acquisition plate BMU and master control borad BCU；Battery bag
Interior each battery cell installs parameter acquisition plate a BMU, the parameter acquisition plate BMU and gathers the battery parameter of battery cell,
Installation one master control borad BCU, all parameter acquisition plate BMU and the master control borad BCU wireless connections in battery bag.
2. system according to claim 1, it is characterised in that the parameter acquisition plate BMU adopts including wireless voltage temperature
Collect chip SOC, memory and voltage modulate circuit；The wireless voltage temperature acquisition chip SOC respectively with the memory and
The voltage modulate circuit connection, the voltage modulate circuit draw four leads, two of which lead connecting single batteries
The two poles of the earth, two other lead are connected and fixed on the both ends of the temperature sensor on the battery cell.
3. system according to claim 2, it is characterised in that the voltage modulate circuit include the first operational amplifier and
Second operational amplifier；The positive pole and negative pole of two input connecting single batteries of first operational amplifier, output end
Connect wireless voltage temperature acquisition chip SOC；The two of two inputs connection temperature sensor of second operational amplifier
End, output end connect wireless voltage temperature acquisition chip SOC.
4. system according to claim 2, it is characterised in that the wireless voltage temperature acquisition chip SOC includes crystal
Oscillator, frequency synthesizer, receive demodulator, microcontroller, modulator, power amplifier and onboard antenna circuit, the crystalline substance
Oscillation body device, frequency synthesizer, reception demodulator are connected with the microcontroller, and the microcontroller connects with the modulator
Connect, the modulator is connected with the power amplifier, and the power amplifier is connected with the onboard antenna circuit.
5. system according to claim 2, it is characterised in that the wireless voltage temperature acquisition chip SOC is using ISM frequencies
Section sends battery parameter based on FSK modulation mode.
6. according to the system described in claim any one of 1-5, it is characterised in that the size of the parameter acquisition plate BMU is
2cm*2cm。
7. according to the system described in claim any one of 1-5, it is characterised in that the master control borad BCU include wireless module and
Main control chip, wireless module and the main control chip electrical connection.
8. system according to claim 7, it is characterised in that the wireless module is connected with main control chip by spi bus
Connect.
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| CN201710951096.3A CN107863571A (en) | 2017-10-13 | 2017-10-13 | A kind of electrokinetic cell parameter acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461978A (en) * | 2018-09-27 | 2019-03-12 | 北京长城华冠汽车科技股份有限公司 | A kind of battery core and electric car of electric car |
| CN111025160A (en) * | 2019-12-25 | 2020-04-17 | 保定长安客车制造有限公司 | Battery management system and method based on wireless communication |
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| CN206038874U (en) * | 2016-09-27 | 2017-03-22 | 湖南航天捷诚电子装备有限责任公司 | Accumulator electric quantity detection apparatus |
| CN207303276U (en) * | 2017-10-13 | 2018-05-01 | 常州普莱德新能源电池科技有限公司 | A kind of power battery parameter acquisition system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109461978A (en) * | 2018-09-27 | 2019-03-12 | 北京长城华冠汽车科技股份有限公司 | A kind of battery core and electric car of electric car |
| CN111025160A (en) * | 2019-12-25 | 2020-04-17 | 保定长安客车制造有限公司 | Battery management system and method based on wireless communication |
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