CN107515375A - Electrokinetic cell electric current detecting method, device and electric automobile - Google Patents
Electrokinetic cell electric current detecting method, device and electric automobile Download PDFInfo
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- CN107515375A CN107515375A CN201710764190.8A CN201710764190A CN107515375A CN 107515375 A CN107515375 A CN 107515375A CN 201710764190 A CN201710764190 A CN 201710764190A CN 107515375 A CN107515375 A CN 107515375A
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- electrokinetic cell
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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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
Abstract
The application proposes a kind of electrokinetic cell electric current detecting method, device and electric automobile, and wherein method includes：It is determined that connected with electrokinetic cell current sensing means failure when, obtain the current performance number of each electrical equipment for being connected with electrokinetic cell and magnitude of voltage；According to the current performance number of each electrical equipment and magnitude of voltage, the current current value of electrokinetic cell is determined.This method is when the current sensing means on being serially connected in electrokinetic cell breaks down, the current current value of electrokinetic cell is determined by obtaining the current performance number of electrical equipment and magnitude of voltage, improve the reliability of detection, the safety in utilization and reliability of vehicle are improved, improves user experience.
Description
Technical field
The application is related to electric vehicle engineering field, more particularly to a kind of electrokinetic cell electric current detecting method, device and electricity
Electrical automobile.
Background technology
It is well known that critical component of the electrokinetic cell as electric automobile, the driving safety of electric automobile is directly affected.Cause
This, for the consideration to electrokinetic cell self character and secure context, in actual use, it is necessary to be good for electrokinetic cell
Health state is monitored in real time, to ensure vehicle driving safety.
On the other hand, in correlation technique, (State of Charge, it is referred to as by the state-of-charge of electrokinetic cell：SOC) come
Whether healthy detect electrokinetic cell.However, it is necessary to obtain power electric in the computational methods of the state-of-charge of existing electrokinetic cell
The current parameters in pond.Therefore, in actual mechanical process, the output end generally required in electrokinetic cell installs current sensor additional,
To obtain the current parameters of electrokinetic cell by current sensor.
But the mode of the current parameters of above-mentioned acquisition electrokinetic cell is relatively simple, when current sensor faults, will be unable to
The current parameters of electrokinetic cell are obtained, potential safety hazard be present, reliability and security are poor.
The content of the invention
The application is intended to one of technical problem at least solving in correlation technique to a certain extent.
Therefore, first purpose of the application is to propose a kind of electrokinetic cell electric current detecting method, the method achieve
When the current sensing means on being serially connected in electrokinetic cell breaks down, by obtaining the current performance number of electrical equipment and voltage
Value determines the current current value of electrokinetic cell, improves the reliability of detection, improves the safety in utilization of vehicle and reliable
Property, improve user experience.
Second purpose of the application is to propose a kind of electrokinetic cell current sensing means.
The 3rd purpose of the application is to propose a kind of electric automobile.
The 4th purpose of the application is to propose a kind of computer-readable recording medium.
For the above-mentioned purpose, the application first aspect embodiment proposes a kind of electrokinetic cell electric current detecting method, including：
It is determined that connected with the electrokinetic cell current sensing means failure when, obtain and be connected with the electrokinetic cell
The current performance number of each electrical equipment and magnitude of voltage；
According to the current performance number of each electrical equipment and magnitude of voltage, the current current value of the electrokinetic cell is determined.
The electrokinetic cell electric current detecting method that the embodiment of the present application provides, it is first determined the electric current inspection connected with electrokinetic cell
Survey whether device breaks down, when it is determined that current sensing means breaks down, obtain each electricity consumption being connected with electrokinetic cell and set
Standby current performance number and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine power
The current current value of battery.Thus, when the current sensing means on being serially connected in electrokinetic cell breaks down, by obtaining electricity consumption
The current performance number of equipment and magnitude of voltage determine the current current value of electrokinetic cell, improve the reliability of detection, improve
The safety in utilization and reliability of vehicle, improve user experience.
In addition, the electrokinetic cell electric current detecting method that the above embodiments of the present application propose can also have skill additional as follows
Art feature：
In one embodiment of the application, the electrical equipment includes motor, methods described, in addition to：
Obtain the current current value of the motor；
The current value for determining that the electrokinetic cell is current, including：
According to the current current value of the motor, and the current performance number of other each electrical equipments and magnitude of voltage, really
The current current value of the fixed electrokinetic cell.
In one embodiment of the application, the current value for determining that the electrokinetic cell is current, including：
According to the current performance number of each electrical equipment and magnitude of voltage, estimate the current performance number of the electrokinetic cell and
Magnitude of voltage；
According to the current performance number of the electrokinetic cell of estimation and magnitude of voltage, the current electric current of the electrokinetic cell is determined
Value.
In one embodiment of the application, the magnitude of voltage current according to each electrical equipment, estimate described dynamic
The current magnitude of voltage of power battery, including：
When it is determined that the difference between the current magnitude of voltage of each electrical equipment is respectively less than threshold value, any electrical equipment is worked as
Preceding magnitude of voltage, or the average of the current magnitude of voltage of each electrical equipment, are defined as the current magnitude of voltage of the electrokinetic cell.
It is described to obtain the current work(of each electrical equipment being connected with the electrokinetic cell in one embodiment of the application
Rate value, including：
Determine the current operating condition of each electrical equipment；
According to default operating condition and the corresponding relation of power, it is determined that the operating condition current with each electrical equipment
Corresponding performance number.
For the above-mentioned purpose, the application second aspect embodiment proposes a kind of electrokinetic cell current sensing means, including：
First acquisition module, for it is determined that connected with the electrokinetic cell current sensing means failure when, obtain with
The current performance number of each electrical equipment of electrokinetic cell connection and magnitude of voltage；
Determining module, for according to the current performance number of each electrical equipment and magnitude of voltage, determining the electrokinetic cell
Current current value.
The electrokinetic cell current sensing means that the embodiment of the present application provides, it is first determined the electric current inspection connected with electrokinetic cell
Survey whether device breaks down, when it is determined that current sensing means breaks down, obtain each electricity consumption being connected with electrokinetic cell and set
Standby current performance number and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine power
The current current value of battery.Thus, when the current sensing means on being serially connected in electrokinetic cell breaks down, by obtaining electricity consumption
The current performance number of equipment and magnitude of voltage determine the current current value of electrokinetic cell, improve the reliability of detection, improve
The safety in utilization and reliability of vehicle, improve user experience.
In addition, the electrokinetic cell current sensing means that the above embodiments of the present application propose can also have skill additional as follows
Art feature：
In one embodiment of the application, the electrical equipment includes motor, described device, in addition to：
Second acquisition module, the current value current for obtaining the motor；
The determining module, is specifically included：
According to the current current value of the motor, and the current performance number of other each electrical equipments and magnitude of voltage, really
The current current value of the fixed electrokinetic cell.
In one embodiment of the application, the determining module, specifically include：
According to the current performance number of each electrical equipment and magnitude of voltage, estimate the current performance number of the electrokinetic cell and
Magnitude of voltage；
According to the current performance number of the electrokinetic cell of estimation and magnitude of voltage, the current electric current of the electrokinetic cell is determined
Value.
For the above-mentioned purpose, the application third aspect embodiment proposes a kind of electric automobile, including：Second aspect is implemented
Electrokinetic cell current sensing means described in example.
The electric automobile that the embodiment of the present application provides, it is first determined whether the current sensing means connected with electrokinetic cell is sent out
Raw failure, when it is determined that current sensing means breaks down, obtain the current power of each electrical equipment being connected with electrokinetic cell
Value and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine the current electricity of electrokinetic cell
Flow valuve.Thus, when the current sensing means on being serially connected in electrokinetic cell breaks down, the work(current by obtaining electrical equipment
Rate value and magnitude of voltage determine the current current value of electrokinetic cell, improve the reliability of detection, improve the use peace of vehicle
Full property and reliability, improve user experience.
To reach above-mentioned purpose, the application fourth aspect embodiment proposes a kind of computer-readable recording medium, thereon
Computer program is stored with, when the program is executed by processor, realizes the electrokinetic cell electric current inspection described in first aspect embodiment
Survey method.
The aspect and advantage that the application adds will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the electrokinetic cell electric current detecting method of the application one embodiment；
Fig. 2 is the flow chart of the electrokinetic cell electric current detecting method of the application another embodiment；
Fig. 3 is the structural representation of the electrokinetic cell current sensing means of one embodiment of the application；
Fig. 4 is the structural representation of the electric automobile of one embodiment of the application.
Embodiment
Embodiments herein is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and it is not intended that limitation to the application.
When the application is mainly for the current value in the prior art, obtaining electrokinetic cell, acquisition modes are single and work as electric current
It during sensor fault, will be unable to obtain the current parameters of electrokinetic cell, asking for potential safety hazard, reliability and security difference be present
Topic, proposes a kind of electrokinetic cell electric current detecting method.
The electrokinetic cell electric current detecting method that the application proposes, in the current sensing means for determining to connect with electrokinetic cell
When breaking down, the current performance number of each electrical equipment being connected with electrokinetic cell and magnitude of voltage are obtained, then according to acquisition
The current performance number of each electrical equipment and magnitude of voltage, determine the current current value of electrokinetic cell.Thus, it is being serially connected in electrokinetic cell
On current sensing means when breaking down, determine electrokinetic cell by obtaining the current performance number of electrical equipment and magnitude of voltage
Current current value, the reliability of detection is improved, improve the safety in utilization and reliability of vehicle, improve user's use
Experience.
The electrokinetic cell electric current detecting method proposed below in conjunction with the accompanying drawings to the embodiment of the present application is described in detail.
Fig. 1 is the flow chart of the electrokinetic cell electric current detecting method of one embodiment of the application.
As shown in figure 1, the electrokinetic cell electric current detecting method may comprise steps of：
Step 101, it is determined that connected with electrokinetic cell current sensing means failure when, obtain and be connected with electrokinetic cell
The current performance number of each electrical equipment and magnitude of voltage.
Specifically, the electrokinetic cell electric current detecting method that the embodiment of the present application provides, can provide power electric by the application
Pond current sensing means is performed, and the device can be configured in electric automobile, and electrokinetic cell is detected with realizing.
Wherein, in the embodiment of the present application, current sensing means can be but not limited to, and current sensor, ammeter, be shown
Ripple device etc., the application is not particularly limited herein.
Each electrical equipment can be but not limited to, DC/DC converters, high pressure annex, controller etc..
In specific implementation, whether can be exceeded by judging the size of voltage on current sensing means or current value predetermined
Scope, to determine whether current sensing means breaks down.If the voltage or current value on current sensing means have exceeded predetermined
Scope, then illustrate that current sensing means breaks down, otherwise non-failure.
Wherein, preset range can specifically be limited according to the type of current sensing means, for example electric current preset range is 0
~5 amperes (A) etc..
Further, however, it is determined that when current sensing means breaks down, then obtain each electricity consumption being connected with electrokinetic cell and set
Standby current performance number and magnitude of voltage.
Specifically, obtaining the current magnitude of voltage of each electrical equipment, can be obtained by voltage check device；Or pass through phase
Control unit acquisition answered etc..
Wherein, voltage check device can be but not limited to, voltage sensor, oscillograph, voltmeter etc..
The current performance number of each electrical equipment is obtained, can directly obtain the rated power of electrical equipment；Or according to history
The data of statistics carry out a large amount of calculating acquisitions etc..
It is appreciated that it is upper, above-mentioned several ways determine that the current power value of each electrical equipment and magnitude of voltage are only exemplary
, not as the specific restriction to the application.
Step 102, according to the current performance number of each electrical equipment and magnitude of voltage, the current current value of electrokinetic cell is determined.
Specifically, after the current performance number of each electrical equipment and magnitude of voltage is determined, can be according to the power got
Value and magnitude of voltage estimate the current performance number of electrokinetic cell and magnitude of voltage.
During specific implementation, it can first determine whether the difference between the current magnitude of voltage of each electrical equipment is less than threshold value, if
Less than threshold value, then by the current magnitude of voltage of any electrical equipment, or the average of the current magnitude of voltage of each electrical equipment, it is defined as
The current magnitude of voltage of electrokinetic cell.
It should be noted that whether the difference between the above-mentioned magnitude of voltage for first determining that each electrical equipment is current is less than threshold value,
It is abnormal in order to filter out some electrical equipment output voltages, to avoid abnormal magnitude of voltage from influenceing to determine electrokinetic cell voltage
The accuracy of value.
It should be noted that in the embodiment of the present application, you can with by judge each electrical equipment magnitude of voltage difference whether
Less than threshold value, to determine whether the magnitude of voltage of each electrical equipment that currently obtains is reliable；Or can also be each by directly judging
Whether whether the magnitude of voltage of electrical equipment is distinguished within a preset range, may be used come the magnitude of voltage for each electrical equipment for determining currently to obtain
Lean on.
For example, if the current voltage value for detecting electrical equipment high pressure annex A is 143V, and threshold range is 70V
~100V, then illustrate that high pressure annex A has exceeded threshold value, operation is abnormal, then neglects high pressure annex A current voltage value
Slightly.
In the embodiment of the present application, can be according to the current work(of each electrical equipment when determining the current performance number of electrokinetic cell
Rate value first estimates the current discharge power of electrokinetic cell.
And then after the current performance number of electrokinetic cell and magnitude of voltage is estimated, you can according to the electrokinetic cell of estimation
Current power value and magnitude of voltage, determine the current current value of electrokinetic cell.
Wherein, electrokinetic cell present current value is calculated, can be realized by below equation (1).
Wherein, I is the current current value of electrokinetic cell, and P is the current performance number of electrokinetic cell, and U is that electrokinetic cell is current
Magnitude of voltage.
It is understood that when current sensing means breaks down, the electrokinetic cell current sensing means in the application
The current performance number of each electrical equipment and magnitude of voltage are just obtained, with according to the current performance number of each electrical equipment and magnitude of voltage estimation
Go out the current power value and magnitude of voltage of electrokinetic cell, and then current electricity is determined according to electrokinetic cell current power value and magnitude of voltage
Flow valuve, so as to be detected according to current value to electrokinetic cell.
The embodiment of the present application electrokinetic cell electric current detecting method, it is first determined the current sensing means connected with electrokinetic cell
Whether break down, when it is determined that current sensing means breaks down, it is current to obtain each electrical equipment being connected with electrokinetic cell
Performance number and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine that electrokinetic cell is worked as
Preceding current value.Thus, when the current sensing means on being serially connected in electrokinetic cell breaks down, by obtaining each electrical equipment
Current performance number and magnitude of voltage determines the current current value of electrokinetic cell, improves the reliability of detection, improves vehicle
Safety in utilization and reliability, improve user experience.
By above-described embodiment, the application is determining to be serially connected in the appearance event of the current sensing means on electrokinetic cell
During barrier, by obtaining the current performance number of each electrical equipment and magnitude of voltage, the current current value of electrokinetic cell is determined.In the application
One kind is possible to be realized in scene, if each electrical equipment being connected with electrokinetic cell includes motor, the application not only may be used
To obtain the current performance number of other electrical equipments and magnitude of voltage, the present current value of motor can also be obtained, and according to
The present current value and current power value and magnitude of voltage of acquisition, to determine the current current value of electrokinetic cell.With reference to Fig. 2,
Electrokinetic cell electric current detecting method under the above situation is specifically described.
Fig. 2 is the flow chart of the electrokinetic cell electric current detecting method of an alternative embodiment of the invention.
As shown in Fig. 2 the electrokinetic cell electric current detecting method, may comprise steps of：
Step 201, it is determined that connected with electrokinetic cell current sensing means failure when, obtain and be connected with electrokinetic cell
The current performance number of each electrical equipment and magnitude of voltage.
Specifically, in actual use, due to different electrical equipments, under different operating conditions, actual power
Value may be variant with power-handling capability.Therefore, in order to ensure the accuracy of the current power value of each electrical equipment got,
The application determines the currently practical corresponding performance number of electrical equipment by determining the operating condition of electrical equipment.
During specific implementation, it may include：
Determine the current operating condition of each electrical equipment；
Wherein, the operating condition of each electrical equipment can refer to, in running order, resting state etc., the application
This is not particularly limited.
According to default operating condition and the corresponding relation of power, determine corresponding to the current operating condition of each electrical equipment
Performance number.
Specifically, in the present embodiment, the operating condition of each electrical equipment and the corresponding relation of power can be by each use
The experimental data of electric equipment determined after big data analysis.
Step 202, the current current value of motor is obtained.
Specifically, in actual use, current value is a very important parameter for motor,
And above-mentioned current value is generally all gathered by the micro-control unit (Microcontroller Unit, abbreviation MCU) in electric automobile.
Therefore, in the embodiment of the present application, if when it is determined that electrical equipment includes motor, can be directly from the microcontroller of electric automobile
The current current value of motor is obtained in unit.
It should be noted that can first to obtain other each electrical equipments current for the execution sequence of above-mentioned steps 201~202
Performance number and magnitude of voltage, the current current value of motor is then obtained again；Or the current current value of motor is first obtained,
Then the current performance number of other each electrical equipments and magnitude of voltage are obtained again；Or it is above-mentioned both carry out simultaneously, the application couple
This is not specifically limited.
Step 203, according to the current current value of motor, and the current performance number of other each electrical equipments and voltage
Value, determines the current current value of electrokinetic cell.
Specifically, determining the current current value of electrokinetic cell, can be realized referring specifically to below equation (2).
Wherein, I is the current current value of electrokinetic cell, P1、P2…PNFor the current power value of other each electrical equipments, Iq
For the current current value of motor, U is the current magnitude of voltage of electrokinetic cell.
It should be noted that in the present embodiment, the current magnitude of voltage of electrokinetic cell can be found in above-described embodiment really
Mode is determined to realize, it is not repeated excessively herein.
In addition, after the current current value of electrokinetic cell is determined, if the program of output electrokinetic cell present current value
When on the no longer same controller of state-of-charge with calculating electrokinetic cell, the application can pass through electrokinetic cell present current value
Controller local area network (Controller Area Network, abbreviation CAN) is sent to the controller for calculating state-of-charge, with
Ensure the ageing of data transfer.
The electrokinetic cell electric current detecting method that the embodiment of the present application provides, it is determined that the electric current inspection being serially connected on electrokinetic cell
When surveying device failure, by obtaining motor current flow and other each electrical equipment current power values and voltage
Value, determines the current current value of electrokinetic cell so that obtains the mode more diversity of electrokinetic cell current value, avoids in electric current
When detection means breaks down, the problem of electrokinetic cell electric current can not be obtained, the reliability for obtaining electrokinetic cell electric current is ensure that,
User's request is met, further improves Consumer's Experience.
In order to realize above-described embodiment, the present invention also proposes a kind of electrokinetic cell current sensing means.
Fig. 3 is the structural representation of the electrokinetic cell current sensing means of one embodiment of the invention.
Reference picture 3, the electrokinetic cell current sensing means include：First acquisition module 10, determining module 20.
Wherein, the first acquisition module 10 be used for it is determined that connected with the electrokinetic cell current sensing means failure when,
Obtain the current performance number of each electrical equipment being connected with the electrokinetic cell and magnitude of voltage；
Further, the electrical equipment in the application electrokinetic cell current sensing means also includes：Motor.Therefore institute
Device is stated, in addition to：
Second acquisition module, the current value current for obtaining the motor；
The determining module, is specifically included：
According to the current current value of the motor, and the current performance number of other each electrical equipments and magnitude of voltage, really
The current current value of the fixed electrokinetic cell.
Determining module 20 is used for according to the current performance number of each electrical equipment and magnitude of voltage, determines the electrokinetic cell
Current current value.
Further, the determining module 20 specifically includes：
According to the current performance number of each electrical equipment and magnitude of voltage, estimate the current performance number of the electrokinetic cell and
Magnitude of voltage；
According to the current performance number of the electrokinetic cell of estimation and magnitude of voltage, the current electric current of the electrokinetic cell is determined
Value.
It should be noted that the implementation process and technical principle of the electrokinetic cell current sensing means of the present embodiment are referring to preceding
The explanation to electrokinetic cell electric current detecting method embodiment is stated, here is omitted.
The electrokinetic cell current sensing means that the embodiment of the present application provides, it is first determined the electric current inspection connected with electrokinetic cell
Survey whether device breaks down, when it is determined that current sensing means breaks down, obtain each electricity consumption being connected with electrokinetic cell and set
Standby current performance number and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine power
The current current value of battery.Thus, when the current sensing means on being serially connected in electrokinetic cell breaks down, by obtaining each use
The current performance number of electric equipment and magnitude of voltage determine the current current value of electrokinetic cell, improve the reliability of detection, improve
The safety in utilization and reliability of vehicle, improves user experience.
In order to realize above-described embodiment, the invention also provides a kind of electric automobile.
Fig. 4 is the structural representation of the electric automobile of one embodiment of the invention.
As shown in figure 4, the electric automobile 100, including electrokinetic cell current sensing means 11.
It should be noted that the foregoing explanation to electrokinetic cell electric current detecting method embodiment is also applied for the implementation
The electric automobile of example, its realization principle is similar, and here is omitted.
Electric automobile provided in an embodiment of the present invention, it is first determined whether the current sensing means connected with electrokinetic cell is sent out
Raw failure, when it is determined that current sensing means breaks down, obtain the current power of each electrical equipment being connected with electrokinetic cell
Value and magnitude of voltage, then according to the current performance number of each electrical equipment of acquisition and magnitude of voltage, determine the current electricity of electrokinetic cell
Flow valuve.Thus, it is current by obtaining each electrical equipment when the current sensing means on being serially connected in electrokinetic cell breaks down
Performance number and magnitude of voltage determine the current current value of electrokinetic cell, improve the reliability of detection, improve the use of vehicle
Safety and reliability, improve user experience.
In order to realize above-described embodiment, the application also proposes a kind of computer-readable recording medium.
The storage medium is stored thereon with computer program, when the program is executed by processor, realizes that first aspect is implemented
Electrokinetic cell electric current detecting method described in example.This method includes：It is determined that the current detecting dress connected with the electrokinetic cell
When putting failure, the current performance number of each electrical equipment being connected with the electrokinetic cell and magnitude of voltage are obtained；According to each use
The current performance number of electric equipment and magnitude of voltage, determine the current current value of the electrokinetic cell.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (10)
- A kind of 1. electrokinetic cell electric current detecting method, it is characterised in that including：It is determined that connected with the electrokinetic cell current sensing means failure when, obtain each use for being connected with the electrokinetic cell The current performance number of electric equipment and magnitude of voltage；According to the current performance number of each electrical equipment and magnitude of voltage, the current current value of the electrokinetic cell is determined.
- 2. the method as described in claim 1, it is characterised in that the electrical equipment includes motor, methods described, goes back Including：Obtain the current current value of the motor；The current value for determining that the electrokinetic cell is current, including：According to the current current value of the motor, and the current performance number of other each electrical equipments and magnitude of voltage, determine institute State the current current value of electrokinetic cell.
- 3. method as claimed in claim 1 or 2, it is characterised in that the current value for determining that the electrokinetic cell is current, bag Include：According to the current performance number of each electrical equipment and magnitude of voltage, the current performance number of the electrokinetic cell and voltage are estimated Value；According to the current performance number of the electrokinetic cell of estimation and magnitude of voltage, the current current value of the electrokinetic cell is determined.
- 4. method as claimed in claim 3, it is characterised in that the magnitude of voltage current according to each electrical equipment, estimate The current magnitude of voltage of the electrokinetic cell is calculated, including：When it is determined that the difference between the current magnitude of voltage of each electrical equipment is respectively less than threshold value, any electrical equipment is current Magnitude of voltage, or the average of the current magnitude of voltage of each electrical equipment, are defined as the current magnitude of voltage of the electrokinetic cell.
- 5. method as claimed in claim 1 or 2, it is characterised in that described to obtain each electricity consumption being connected with the electrokinetic cell The current performance number of equipment, including：Determine the current operating condition of each electrical equipment；According to default operating condition and the corresponding relation of power, it is determined that corresponding with the operating condition that each electrical equipment is current Performance number.
- A kind of 6. electrokinetic cell current sensing means, it is characterised in that including：First acquisition module, for it is determined that connected with the electrokinetic cell current sensing means failure when, obtain with it is described The current performance number of each electrical equipment and magnitude of voltage of electrokinetic cell connection；Determining module, for according to the current performance number of each electrical equipment and magnitude of voltage, determining that the electrokinetic cell is current Current value.
- 7. device as claimed in claim 6, it is characterised in that the electrical equipment includes motor, described device, goes back Including：Second acquisition module, the current value current for obtaining the motor；The determining module, is specifically included：According to the current current value of the motor, and the current performance number of other each electrical equipments and magnitude of voltage, determine institute State the current current value of electrokinetic cell.
- 8. device as claimed in claims 6 or 7, it is characterised in that the determining module, specifically include：According to the current performance number of each electrical equipment and magnitude of voltage, the current performance number of the electrokinetic cell and voltage are estimated Value；According to the current performance number of the electrokinetic cell of estimation and magnitude of voltage, the current current value of the electrokinetic cell is determined.
- A kind of 9. electric automobile, it is characterised in that including：Electrokinetic cell current detecting as described in any in claim 6-8 Device.
- A kind of 10. computer-readable recording medium, it is characterised in that be stored thereon with computer program, it is characterised in that the journey When sequence is executed by processor, the electrokinetic cell electric current detecting method as any one of claim 1-5 is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764190.8A CN107515375A (en) | 2017-08-30 | 2017-08-30 | Electrokinetic cell electric current detecting method, device and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764190.8A CN107515375A (en) | 2017-08-30 | 2017-08-30 | Electrokinetic cell electric current detecting method, device and electric automobile |
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| Publication Number | Publication Date |
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| CN107515375A true CN107515375A (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710764190.8A Withdrawn CN107515375A (en) | 2017-08-30 | 2017-08-30 | Electrokinetic cell electric current detecting method, device and electric automobile |
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| CN108872762A (en) * | 2018-05-02 | 2018-11-23 | Oppo广东移动通信有限公司 | Electronic equipment electrical leakage detecting method, device, electronic equipment and storage medium |
| CN113406547A (en) * | 2020-03-17 | 2021-09-17 | 比亚迪股份有限公司 | Method, device and equipment for determining state of current detection device and vehicle |
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| CN201970943U (en) * | 2011-04-07 | 2011-09-14 | 北京理工华创电动车技术有限公司 | High-voltage switch box for pure-electric commercial vehicle |
| DE102011003699A1 (en) * | 2011-02-07 | 2012-08-09 | Bayerische Motoren Werke Aktiengesellschaft | Method for determining electric current intensity of battery in motor vehicle, involves detecting difference between battery voltage and consumer voltage to determine current intensity of battery |
| CN205906226U (en) * | 2016-07-06 | 2017-01-25 | 北京晟泽科技有限公司 | A new forms of energy hybrid power supply system for high altitude unmanned aerial vehicle |
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| DE102011003699A1 (en) * | 2011-02-07 | 2012-08-09 | Bayerische Motoren Werke Aktiengesellschaft | Method for determining electric current intensity of battery in motor vehicle, involves detecting difference between battery voltage and consumer voltage to determine current intensity of battery |
| CN201970943U (en) * | 2011-04-07 | 2011-09-14 | 北京理工华创电动车技术有限公司 | High-voltage switch box for pure-electric commercial vehicle |
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| CN108872762A (en) * | 2018-05-02 | 2018-11-23 | Oppo广东移动通信有限公司 | Electronic equipment electrical leakage detecting method, device, electronic equipment and storage medium |
| CN108872762B (en) * | 2018-05-02 | 2021-02-02 | Oppo广东移动通信有限公司 | Electronic equipment leakage detection method and device, electronic equipment and storage medium |
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Application publication date: 20171226 |