CN106183850A - A kind of electrokinetic cell status signal acquisition methods, acquisition system and electric automobile - Google Patents
A kind of electrokinetic cell status signal acquisition methods, acquisition system and electric automobile Download PDFInfo
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- CN106183850A CN106183850A CN201610549807.XA CN201610549807A CN106183850A CN 106183850 A CN106183850 A CN 106183850A CN 201610549807 A CN201610549807 A CN 201610549807A CN 106183850 A CN106183850 A CN 106183850A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling 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
- 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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Abstract
This application discloses a kind of electrokinetic cell status signal acquisition methods, acquisition system and electric automobile, wherein, electrokinetic cell status signal acquisition methods configures, by the way of sending configuration information to the battery management system of electric automobile, the battery cell number that the battery management system of multiple electric automobile divides plate to gather；No matter then whether battery management system divides the respective configured number of plate to be the status signal that the first predetermined number is all sent out the first predetermined number, these status signals include the disarmed state signal of the second predetermined number；Finally after summarizing the status signal that multiple battery management system divides plate to send, disarmed state signal therein is weeded out, thus realize the acquisition of the status signal of battery cell all of to electric automobile, and then the problem solving the different electrokinetic cell status signal acquisition methods of the electric automobile design being required for that there is varying number battery cell.
Description
Technical field
The application relates to technical field of new energy, more particularly, it relates to a kind of electrokinetic cell status signal obtains
Method, acquisition system and electric automobile.
Background technology
In recent years, along with popularizing of motor vehicles, the exhaust emissions of conventional motor vehicle causes the biggest impact to environment.
In order to solve the problem of the tail gas environmental pollution due to conventional motor vehicle discharge, universal new-energy automobile is a kind of good
Settling mode.The electric automobile such as pure electric automobile, plug-in hybrid-power automobile is with electrokinetic cell as power, drives with motor
A kind of new-energy automobile that wheel runs.The exhaust emissions of electric automobile is less, and therefore its prospect is extensively had an optimistic view of.
The electrokinetic cell of described electric automobile is the power resources that it is main, and described electrokinetic cell is by multiple battery cell structures
Become, typically require in electric automobile actual moving process or R&D process and obtain all battery lists constituting described electrokinetic cell
The status signal of body, this acquisition process is generally completed by battery management system.Described battery management system includes cell tube
Reason system board and multiple battery management system divide plate, described battery management system to divide plate to be responsible for gathering a number of battery list
The status signal of body, multiple described battery management systems divide plate will constitute the state letter of all battery cells of described electrokinetic cell
Number being sent to described electrokinetic cell mainboard, described electrokinetic cell mainboard is obtaining the laggard action of status signal of all battery cells
The calculating of power battery dump energy etc. are applied.The kind of described battery cell includes ferric phosphate lithium cell and ternary material battery
Deng, due to the difference of battery cell kind and the difference of the model of electric automobile, cause the power current of different electric automobiles
The quantity of the battery cell in pond is the most different, so when to different electric automobile design point signal acquiring method, needs
According to the status signal acquisition methods that different battery cell quantitative design is different, the work considerably increasing designer is strong
Degree.
Therefore, need a kind of electrokinetic cell status signal being applicable to have the electric automobile of varying number battery cell badly to obtain
Access method.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of electrokinetic cell status signal acquisition methods, acquisition system
And electric automobile, the electric automobile being required for having varying number battery cell with solution designs different electrokinetic cell states
The problem of signal acquiring method.
For solving above-mentioned technical problem, embodiments provide following technical scheme:
A kind of electrokinetic cell status signal acquisition methods, is applied to electric automobile, and described electrokinetic cell status signal obtains
Method includes:
Sending configuration information to the battery management system of described electric automobile, described configuration information is used for configuring multiple described
The battery management system of electric automobile divides the battery cell number that plate gathers；
Each described battery management system divides the state letter of the battery cell of the described electric automobile of plate acquisition configuration number
Number, and sending the status signal of the first predetermined number, the status signal of described first predetermined number includes the configured number gathered
Status signal and the disarmed state signal of the second predetermined number, described first predetermined number is that described battery management system divides
The maximum number of the status signal that plate can gather, described second predetermined number is described first predetermined number and described configuration number
Purpose difference；
Collect the status signal that multiple described battery management system divides plate to send, reject disarmed state signal therein, obtain
Obtain the status signal of all battery cells of electrokinetic cell of described electric automobile.
Preferably, collect the status signal that multiple described battery management system divides plate to send, reject disarmed state therein
Signal, it is thus achieved that also include after the status signal of all battery cells of electrokinetic cell of described electric automobile:
Show the status signal of all battery cells of described electrokinetic cell successively.
Preferably, described status signal includes voltage signal and/or the temperature of described battery cell of described battery cell
Signal and/or the equalizing signal of described battery cell.
Preferably, described disarmed state signal is zero level signal or non-zero outlier signal.
Preferably, collect the status signal that multiple described battery management system divides plate to send, reject disarmed state therein
Signal, it is thus achieved that also include after the status signal of all battery cells of electrokinetic cell of described electric automobile:
Status signal according to all battery units of described electrokinetic cell calculate described electrokinetic cell dump energy and/or
Cell health state.
A kind of electrokinetic cell status signal obtains system, is applied to electric automobile, and described power battery management system includes:
Configuration information sending module, for sending configuration information to described battery management system, described configuration information is used for
Configure the battery cell number that the battery management system of multiple described electric automobile divides plate to gather；
State signal collecting module, divides plate, each described battery management system to divide including multiple described battery management systems
Plate is for the status signal of the battery cell of the described electric automobile of acquisition configuration number, and sends the state of the first predetermined number
Signal, the status signal of described first predetermined number includes the status signal of configured number that gathers and the second predetermined number
Disarmed state signal, described first predetermined number is the maximum number of the status signal that described battery management system divides plate to gather
Mesh, described second predetermined number is the difference of described first predetermined number and described configured number；
Battery information summarizing module, for collecting the status signal that multiple described battery management system divides plate to send, rejects
Disarmed state signal therein, it is thus achieved that the status signal of all battery cells of electrokinetic cell of described electric automobile.
Preferably, described power battery management system also includes:
Display module, for showing the status signal of all battery cells of described electrokinetic cell successively.
Preferably, described status signal includes voltage signal and/or the temperature of described battery cell of described battery cell
Signal and/or the equalizing signal of described battery cell.
Preferably, described disarmed state signal is zero level signal or non-zero outlier signal.
Preferably, described electrokinetic cell status signal acquisition system also includes:
Computing module, calculates described electrokinetic cell for the status signal according to all battery units of described electrokinetic cell
Dump energy and/or cell health state.
A kind of electric automobile, obtains system including the electrokinetic cell status signal described in any of the above-described embodiment.
From technique scheme it can be seen that embodiments provide a kind of electrokinetic cell status signal acquisition side
Method, acquisition system and electric automobile, wherein, described electrokinetic cell status signal acquisition methods is by the electricity of described electric automobile
Pond management system sends the mode of configuration information and configures the battery that the battery management system of multiple described electric automobile divides plate to gather
Number of monomers；No matter the most described battery management system divides whether the respective configured number of plate is that the first predetermined number is (i.e. described
Battery management system divides the maximum number of the status signal that plate can gather) all it is sent out the state letter of the first predetermined number
Number, these status signals include the disarmed state signal of the second predetermined number；Finally summarizing multiple described battery management
Disarmed state signal therein is weeded out after dividing the status signal that plate sends by system, it is achieved electricity all of to described electric automobile
The acquisition of the status signal of pond monomer.No matter it can be seen from the above description that the electrokinetic cell of described electric automobile is by how many
Battery cell is constituted, and can realize the shape of battery cell all of to described electric automobile by arranging different configuration informations
The acquisition of state signal, thus solve the power current that the electric automobile design being required for having varying number battery cell is different
The problem of pond status signal acquisition methods.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The flow process signal of a kind of electrokinetic cell status signal acquisition methods that the embodiment that Fig. 1 is the application provides
Figure；
The flow process signal of a kind of electrokinetic cell status signal acquisition methods that another embodiment that Fig. 2 is the application provides
Figure；
The flow process signal of a kind of electrokinetic cell status signal acquisition methods that another embodiment that Fig. 3 is the application provides
Figure；
A kind of electrokinetic cell status signal that the embodiment that Fig. 4 is the application provides obtains the structural representation of system
Figure；
A kind of electrokinetic cell status signal that another embodiment that Fig. 5 is the application provides obtains the structural representation of system
Figure；
A kind of electrokinetic cell status signal that another embodiment that Fig. 6 is the application provides obtains the structural representation of system
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present application provides a kind of electrokinetic cell status signal acquisition methods, as it is shown in figure 1, be applied to electronic vapour
Car, described electrokinetic cell status signal acquisition methods includes:
S101: send configuration information to the battery management system of described electric automobile, described configuration information is used for configuring many
The battery cell number that the battery management system of individual described electric automobile divides plate to gather；
S102: each described battery management system divides the shape of the battery cell of the described electric automobile of plate acquisition configuration number
State signal, and send the status signal of the first predetermined number, the status signal of described first predetermined number includes the configuration gathered
The status signal of number and the disarmed state signal of the second predetermined number, described first predetermined number is described battery management system
The maximum number of the status signal that system point plate can gather, described second predetermined number is that described first predetermined number is joined with described
Put the difference of number；
S103: collect the status signal that multiple described battery management system divides plate to send, rejects disarmed state therein letter
Number, it is thus achieved that the status signal of all battery cells of electrokinetic cell of described electric automobile.
It should be noted that the device to the battery management system transmission configuration information of described electric automobile can be upper
Machine, it is also possible to be the entire car controller within electric automobile or battery controller etc..This is not limited by the application, specifically regards
Depending on practical situation.
The concrete of described electrokinetic cell status signal acquisition methods that the embodiment of the present application provides is shown in order to clearer
Implementation process, below with the specific implementation process of an embodiment described electrokinetic cell status signal acquisition methods of explanation:
In this example, it is assumed that the electrokinetic cell of described electric automobile is made up of N number of battery cell, it is assumed that described first
Predetermined number is A, and described configuration information includes tri-signals of X, Y, Z, and signal X is for configuring the battery management system of serial number 1
Dividing configured number x of plate, signal Y divides configured number y of plate for the battery management system configuring serial number 2, and signal Z is used for joining
The battery management system putting serial number 3 divides configured number z of plate, wherein A >=x/y/z, x+y+z=N, such sequence number to be respectively 1,
2, the battery management system of 3 divides plate can realize the collection of the status signal to N number of battery cell.
Described battery management system is after receiving described configuration information, and internal sequence number is respectively three batteries of 1,2,3
Management system divides the status signal of the battery cell that plate gathers x, y, z described electric automobile respectively, and sends A state and believe
Number, like this, the battery management system of serial number 1 divides plate needs to send the battery cell of x the described electric automobile gathered
Status signal and A-x disarmed state signal；The battery management system of serial number 2 divides plate needs to send y the institute gathered
Stating the status signal of the battery cell of electric automobile and A-y disarmed state signal, the battery management system of serial number 3 divides plate
Need to send the status signal of the battery cell of z the described electric automobile gathered and A-z disarmed state signal；These electricity
Pond management system divides status signal that plate sends by battery management system mainboard or host computer or the full-vehicle control of electric automobile
After device collects, reject disarmed state signal therein according to described configuration information.
As a example by described battery management system mainboard, when described battery management system mainboard receives serial number 1,2,3
After battery management system divides the status signal that plate sends, according to described configuration information, the battery management system of serial number 1 divides
The status signal of the described battery cell of plate collection is x, therefore there is A-x disarmed state in its A status signal sent
Signal, needs to weed out A-x for the invalid signals of the status signal of battery cell；The battery management of serial number 2
System divides the status signal of the described battery cell of plate collection to be y, therefore there is A-y nothing in its A status signal sent
Effect status signal, needs to weed out A-y for the disarmed state signal of the status signal of battery cell；Same,
The battery management system of serial number 3 divides and there is A-z disarmed state signal in A the status signal that plate sends, and needs A-z
Can not weed out for the disarmed state signal of the status signal of battery cell.
As long as described above it is found that described disarmed state signal battery cell it is unlikely that state
Signal, such as zero level signal or non-zero outlier signal (such as infinitely great level signal etc.), the application's
In one embodiment, described disarmed state signal is preferably zero level signal.The application is concrete to described disarmed state signal
Content does not limit, concrete depending on practical situation.
On the basis of above-described embodiment, in an embodiment of the application, as in figure 2 it is shown, collect multiple described electricity
Pond management system divides the status signal that plate sends, and rejects disarmed state signal therein, it is thus achieved that the power current of described electric automobile
Also include after the status signal of all battery cells in pond:
S104: show the status signal of all battery cells of described electrokinetic cell successively.
It should be noted that described status signal can include the voltage signal of described battery cell and described battery cell
Temperature signal and the equalizing signal of described battery cell；The voltage signal of described battery cell or described battery can also be included
The temperature signal of monomer or the equalizing signal of described battery cell any one or more；Certainly can also include that other represent
The signal of described cell-state.This is not limited by the application, concrete depending on practical situation.
In the present embodiment, show that the purpose of the status signal of all battery cells of described electrokinetic cell is easy for successively
The research and development experimentation of electric automobile is controlled the state of all battery cells of described electrokinetic cell in real time.
Same, in order to be better understood by showing successively the mistake of the status signal of all battery cells of described electrokinetic cell
Journey, is exemplified below.
In the present embodiment, as a example by voltage signal, it is assumed that described first predetermined number is 12, moving of described electric automobile
Power battery is made up of 30 battery cells；Sequence number after the configuration of described configuration information is respectively the battery management system of 1,2,3 and divides
The configured number of plate is 10.Then the battery management system of serial number 1 divides plate to gather numbered 1-10 in described electrokinetic cell
The voltage signal of battery cell, but still send 12 voltage signals (number consecutively is 1-12), the most numbered 11 and 12
Voltage signal is zero level signal；Accordingly, the battery management system of serial number 2 is numbered in dividing the plate described electrokinetic cell of collection
The voltage signal of the battery cell of 11-20, sends 12 voltage signals (number consecutively is 13-24), the most numbered 23 and 24
Voltage signal be zero level signal；Accordingly, the battery management system of serial number 3 divides plate to gather numbering in described electrokinetic cell
For the voltage signal of the battery cell of 21-30, send 12 voltage signals (number consecutively is 25-36), the most numbered 35 Hes
The voltage signal of 36 is zero level signal.
Described battery management system mainboard or host computer, after receiving these 36 voltage signals, weed out 6 therein
Zero level signal, divides the numbering of the voltage signal of the numbered 13-22 of plate collection to subtract by the battery management system of serial number 2 simultaneously
2, re-form the voltage signal of numbered 11-20；Same, the battery management system of serial number 3 is divided the numbering that plate gathers
Numbering for the voltage signal of 25-34 subtracts 4 simultaneously, re-forms the voltage signal of numbered 21-30.Compile after above-mentioned process
Number it is the voltage signal battery cell corresponding to numbered 1-30 of 1-30, the voltage signal of numbered 1-30 is carried out display i.e.
Can be appreciated that the voltage status of each battery cell.These voltage signals may be used for calculating the dump energy of electrokinetic cell and estimating
The health status etc. calculating ground electrokinetic cell is applied.
Accordingly, the temperature signal of described battery cell or other represent described cell-state signal collection with
And display process is similar with the collection of the voltage signal of described battery cell and display process, the application does not repeats at this.
The collection of the most described battery cell and display can be used to the state to each battery cell carry out heat management, energy limit and
Fault diagnosis etc.；
Wherein, described heat management is: when the temperature of certain or some battery cells is too high, it is carried out cooling process, when
When the temperature of certain battery cell is too low, it is carried out hyperthermic treatment, to ensure that each battery cell works in the most suitable temperature
Degree.
Described energy limits and refers to: when the brownout of certain or some battery cells or the too high limit of temperature, it is maximum
Output, to reduce its temperature.
Described fault diagnosis refers to: when the voltage of certain or some battery cells or temperature exceed normal value, can examine
Disconnected its breaks down, thus prohibits the use of it or send the process such as alarm, it is to avoid the battery cell continuous service of fault
And there is the situation such as leakage, blast.
On the basis of above-described embodiment, in another embodiment of the application, as it is shown on figure 3, collect multiple described
Battery management system divides the status signal that plate sends, and rejects disarmed state signal therein, it is thus achieved that the power of described electric automobile
Also include after the status signal of all battery cells of battery:
S105: calculate the dump energy of described electrokinetic cell according to the status signal of all battery units of described electrokinetic cell
And/or cell health state.
It should be noted that in other embodiments of the application, according to the shape of all battery units of described electrokinetic cell
State signal can also calculate other parameters representing described electrokinetic cell state, the equilibrium state of the most described electrokinetic cell
Deng.This is not limited by the application, concrete depending on practical situation.
Accordingly, the embodiment of the present application additionally provides a kind of electrokinetic cell status signal and obtains system, as shown in Figure 4, answers
For electric automobile, described power battery management system includes:
Configuration information sending module 100, for sending configuration information to described battery management system, described configuration information is used
In the battery cell number that the battery management system configuring multiple described electric automobiles divides plate to gather；
State signal collecting module 200, divides plate, each described battery management system including multiple described battery management systems
Point plate is for the status signal of the battery cell of the described electric automobile of acquisition configuration number, and sends the shape of the first predetermined number
State signal, the status signal of described first predetermined number includes status signal and second predetermined number of the configured number of collection
Disarmed state signal, described first predetermined number is the maximum of the status signal that described battery management system divides plate to gather
Number, described second predetermined number is the difference of described first predetermined number and described configured number；
Battery information summarizing module 300, for collecting the status signal that multiple described battery management system divides plate to send, picks
Except disarmed state signal therein, it is thus achieved that the status signal of all battery cells of electrokinetic cell of described electric automobile.
It should be noted that the device to the battery management system transmission configuration information of described electric automobile can be upper
Machine, it is also possible to be the entire car controller within electric automobile or battery controller etc..This is not limited by the application, specifically regards
Depending on practical situation.
In order to the clearer described electrokinetic cell status signal showing that the embodiment of the present application provides obtains the concrete of system
Implementation process, below with the specific works process of an embodiment explanation described electrokinetic cell status signal acquisition system:
In this example, it is assumed that the electrokinetic cell of described electric automobile is made up of N number of battery cell, it is assumed that described first
Predetermined number is A, and the configuration information that described configuration information sending module 100 sends includes tri-signals of X, Y, Z, and signal X is used for
The battery management system of configuration serial number 1 divides configured number x of plate, and signal Y divides for the battery management system configuring serial number 2
Configured number y of plate, signal Z divides configured number z of plate, wherein, A >=x/y/ for the battery management system configuring serial number 3
Z, x+y+z=N, such sequence number respectively 1,2, the battery management system of 3 divide plate can realize the letter of the state to N number of battery cell
Number collection.
Described battery management system is after receiving described configuration information, and internal sequence number is respectively three batteries of 1,2,3
Management system divides the status signal of the battery cell that plate gathers x, y, z described electric automobile respectively, and sends A state and believe
Number, like this, the battery management system of serial number 1 divides plate needs to send the battery cell of x the described electric automobile gathered
Status signal and A-x disarmed state signal；The battery management system of serial number 2 divides plate needs to send y the institute gathered
Stating the status signal of the battery cell of electric automobile and A-y disarmed state signal, the battery management system of serial number 3 divides plate
Need to send the status signal of the battery cell of z the described electric automobile gathered and A-z disarmed state signal；These electricity
Pond management system divides status signal that plate sends by the battery management system mainboard in battery management system or host computer or electricity
After the entire car controller of electrical automobile collects, reject disarmed state signal therein according to described configuration information.
As a example by described battery management system mainboard, when described battery management system mainboard receives serial number 1,2,3
After battery management system divides the status signal that plate sends, according to described configuration information, the battery management system of serial number 1 divides
The status signal of the described battery cell of plate collection is x, therefore there is A-x disarmed state in its A status signal sent
Signal, needs to weed out A-x for the invalid signals of the status signal of battery cell；The battery management of serial number 2
System divides the status signal of the described battery cell of plate collection to be y, therefore there is A-y nothing in its A status signal sent
Effect status signal, needs to weed out A-y for the disarmed state signal of the status signal of battery cell；Same,
The battery management system of serial number 3 divides and there is A-z disarmed state signal in A the status signal that plate sends, and needs A-z
Can not weed out for the disarmed state signal of the status signal of battery cell.
As long as described above it is found that described disarmed state signal battery cell it is unlikely that state
Signal, such as zero level signal or non-zero outlier signal (such as infinitely great level signal etc.), the application's
In one embodiment, described disarmed state signal is preferably zero level signal.The application is concrete to described disarmed state signal
Content does not limit, concrete depending on practical situation.
On the basis of above-described embodiment, in an embodiment of the application, as it is shown in figure 5, described electrokinetic cell pipe
Reason system also includes:
Display module 400, for showing the status signal of all battery cells of described electrokinetic cell successively.
It should be noted that described status signal can include the voltage signal of described battery cell, described battery cell
Temperature signal and the equalizing signal of described battery cell；The voltage signal of described battery cell or described battery can also be included
The temperature signal of monomer or the equalizing signal of described battery cell any one or more；Certainly can also include that other represent
The signal of described cell-state.This is not limited by the application, concrete depending on practical situation.
In the present embodiment, show that the purpose of the status signal of all battery cells of described electrokinetic cell is easy for successively
The research and development experimentation of electric automobile is controlled the state of all battery cells of described electrokinetic cell in real time.
Same, in order to be better understood by showing successively the mistake of the status signal of all battery cells of described electrokinetic cell
Journey, is exemplified below.
In the present embodiment, as a example by voltage signal, it is assumed that described first predetermined number is 12, moving of described electric automobile
Power battery is made up of 30 battery cells；Sequence number after the configuration of described configuration information is respectively the battery management system of 1,2,3 and divides
The configured number of plate is 10.Then the battery management system of serial number 1 divides plate to gather numbered 1-10 in described electrokinetic cell
The voltage signal of battery cell, but still send 12 voltage signals (number consecutively is 1-12), the most numbered 11 and 12
Voltage signal is zero level signal；Accordingly, the battery management system of serial number 2 is numbered in dividing the plate described electrokinetic cell of collection
The voltage signal of the battery cell of 11-20, sends 12 voltage signals (number consecutively is 13-24), the most numbered 23 and 24
Voltage signal be zero level signal；Accordingly, the battery management system of serial number 3 divides plate to gather numbering in described electrokinetic cell
For the voltage signal of the battery cell of 21-30, send 12 voltage signals (number consecutively is 25-36), the most numbered 35 Hes
The voltage signal of 36 is zero level signal.
Described battery management system mainboard or host computer, after receiving these 36 voltage signals, weed out 6 therein
Zero level signal, divides the numbering of the voltage signal of the numbered 13-22 of plate collection to subtract by the battery management system of serial number 2 simultaneously
2, re-form the voltage signal of numbered 11-20；Same, the battery management system of serial number 3 is divided the numbering that plate gathers
Numbering for the voltage signal of 25-34 subtracts 4 simultaneously, re-forms the voltage signal of numbered 21-30.Compile after above-mentioned process
Number being the voltage signal battery cell corresponding to numbered 1-30 of 1-30, described host computer can be by the voltage of numbered 1-30
Signal is shown by described display module 400, the most i.e. can be appreciated that the voltage status of each battery cell.These voltage is believed
Number may be used for calculating the application such as health status of the dump energy of electrokinetic cell and estimation ground electrokinetic cell.
Accordingly, the temperature signal of described battery cell or other represent described cell-state signal collection with
And display process is similar with the collection of the voltage signal of described battery cell and display process, the application does not repeats at this.
The collection of the most described battery cell and display can be used to the state to each battery cell carry out heat management, energy limit and
Fault diagnosis etc.；
Wherein, described heat management is: when the temperature of certain or some battery cells is too high, it is carried out cooling process, when
When the temperature of certain battery cell is too low, it is carried out hyperthermic treatment, to ensure that each battery cell works in the most suitable temperature
Degree.
Described energy limits and refers to: when the brownout of certain or some battery cells or the too high limit of temperature, it is maximum
Output, to reduce its temperature.
Described fault diagnosis refers to: when the voltage of certain or some battery cells or temperature exceed normal value, can examine
Disconnected its breaks down, thus prohibits the use of it or send the process such as alarm, it is to avoid the battery cell continuous service of fault
And there is the situation such as leakage, blast.
On the basis of above-described embodiment, in another embodiment of the application, as shown in Figure 6, described electrokinetic cell
Status signal obtains system and also includes:
Computing module 500, calculates described power current for the status signal according to all battery units of described electrokinetic cell
The dump energy in pond and/or cell health state.
It should be noted that in other embodiments of the application, described computing module 500 can also be according to described power
The status signal of all battery units of battery calculates other parameters representing described electrokinetic cell state, the most described power current
The equilibrium state etc. in pond.This is not limited by the application, concrete depending on practical situation.
Accordingly, the embodiment of the present application additionally provides a kind of electric automobile, including moving as described in above-mentioned any embodiment
Power battery status signal obtains system.
In sum, the embodiment of the present application provides a kind of electrokinetic cell status signal acquisition methods, acquisition system and electricity
Electrical automobile, wherein, described electrokinetic cell status signal acquisition methods is by sending to the battery management system of described electric automobile
The mode of configuration information configures the battery cell number that the battery management system of multiple described electric automobile divides plate to gather；The most not
The described battery management system of opinion divides whether the respective configured number of plate is that (the most described battery management system divides plate to the first predetermined number
The maximum number of the status signal that can gather) all it is sent out the status signal of the first predetermined number, in these status signals
Disarmed state signal including the second predetermined number；Finally summarizing the state that multiple described battery management system divides plate to send
After signal, disarmed state signal therein is weeded out, it is achieved the status signal of battery cell all of to described electric automobile
Obtain.No matter it can be seen from the above description that the electrokinetic cell of described electric automobile is made up of a how many battery cell, can
By arranging the acquisition that different configuration informations realizes the status signal of battery cell all of to described electric automobile, thus solve
Determine and be required for having the electric automobile different electrokinetic cell status signal acquisition methods of design of varying number battery cell
Problem.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (11)
1. an electrokinetic cell status signal acquisition methods, it is characterised in that be applied to electric automobile, described electrokinetic cell state
Signal acquiring method includes:
Sending configuration information to the battery management system of described electric automobile, described configuration information is used for configuring multiple described electronic
The battery management system of automobile divides the battery cell number that plate gathers；
Each described battery management system divides the status signal of the battery cell of the described electric automobile of plate acquisition configuration number, and
Sending the status signal of the first predetermined number, the status signal of described first predetermined number includes the state of the configured number gathered
The disarmed state signal of signal and the second predetermined number, described first predetermined number is that described battery management system divides plate institute energy
The maximum number of the status signal gathered, described second predetermined number is the difference of described first predetermined number and described configured number
Value；
Collect the status signal that multiple described battery management system divides plate to send, reject disarmed state signal therein, it is thus achieved that institute
State the status signal of all battery cells of electrokinetic cell of electric automobile.
Electrokinetic cell status signal acquisition methods the most according to claim 1, it is characterised in that collect multiple described battery
Management system divides the status signal that plate sends, and rejects disarmed state signal therein, it is thus achieved that the electrokinetic cell of described electric automobile
Also include after the status signal of all battery cells:
Show the status signal of all battery cells of described electrokinetic cell successively.
Electrokinetic cell status signal acquisition methods the most according to claim 1, it is characterised in that described status signal includes
The voltage signal of described battery cell and/or the temperature signal of described battery cell and/or the equalizing signal of described battery cell.
Electrokinetic cell status signal acquisition methods the most according to claim 1, it is characterised in that described disarmed state signal
For zero level signal or non-zero outlier signal.
Electrokinetic cell status signal acquisition methods the most according to claim 1, it is characterised in that collect multiple described battery
Management system divides the status signal that plate sends, and rejects disarmed state signal therein, it is thus achieved that the electrokinetic cell of described electric automobile
Also include after the status signal of all battery cells:
Status signal according to all battery units of described electrokinetic cell calculates dump energy and/or the battery of described electrokinetic cell
Health status.
6. an electrokinetic cell status signal obtains system, it is characterised in that be applied to electric automobile, and described electrokinetic cell manages
System includes:
Configuration information sending module, for sending configuration information to described battery management system, described configuration information is used for configuring
The battery cell number that the battery management system of multiple described electric automobiles divides plate to gather；
State signal collecting module, divides plate, each described battery management system to divide plate to use including multiple described battery management systems
In the status signal of the battery cell of the described electric automobile of acquisition configuration number, and send the state letter of the first predetermined number
Number, the status signal of described first predetermined number includes status signal and the nothing of the second predetermined number of the configured number of collection
Effect status signal, described first predetermined number is the maximum number of the status signal that described battery management system divides plate to gather
Mesh, described second predetermined number is the difference of described first predetermined number and described configured number；
Battery information summarizing module, for collecting the status signal that multiple described battery management system divides plate to send, rejects wherein
Disarmed state signal, it is thus achieved that the status signal of all battery cells of electrokinetic cell of described electric automobile.
Electrokinetic cell status signal the most according to claim 6 obtains system, it is characterised in that described electrokinetic cell manages
System also includes:
Display module, for showing the status signal of all battery cells of described electrokinetic cell successively.
Electrokinetic cell status signal the most according to claim 6 obtains system, and described status signal includes described battery list
The voltage signal of body and/or the temperature signal of described battery cell and/or the equalizing signal of described battery cell.
Electrokinetic cell status signal the most according to claim 6 obtains system, it is characterised in that described disarmed state signal
For zero level signal or non-zero outlier signal.
Electrokinetic cell status signal the most according to claim 6 obtains system, it is characterised in that described electrokinetic cell shape
State signal acquisition system also includes:
Computing module, calculates the residue of described electrokinetic cell for the status signal according to all battery units of described electrokinetic cell
Electricity and/or cell health state.
11. 1 kinds of electric automobiles, it is characterised in that include that the electrokinetic cell status signal described in any one of claim 6-10 obtains
Take system.
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| CN112009270A (en) * | 2020-08-31 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Motor output power control method, power automobile and readable storage medium |
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| CN106183850B (en) | 2019-02-19 |
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Effective date of registration: 20200110 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |