CN107462797A - A kind of automobile starting voltage analog system and method - Google Patents
A kind of automobile starting voltage analog system and method Download PDFInfo
- Publication number
- CN107462797A CN107462797A CN201710841742.0A CN201710841742A CN107462797A CN 107462797 A CN107462797 A CN 107462797A CN 201710841742 A CN201710841742 A CN 201710841742A CN 107462797 A CN107462797 A CN 107462797A
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- 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
- G01R31/003—Environmental or reliability tests
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- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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- 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]
- G01R31/3644—Constructional arrangements
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- 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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of automobile starting voltage analog system and method, the system includes：Treat simulating vehicle, voltage acquisition equipment, host computer, executing agency, test vehicle；The voltage acquisition equipment is connected with the battery for treating simulating vehicle；The executing agency electrically connects with the power interface of the test vehicle；When simulating vehicle is in different external environment conditions, the voltage acquisition equipment gathers the startup voltage waveform under the battery difference external environment condition, by the waveform for starting voltage waveform and sending the host computer to and carrying out data processing and obtain executing agency and can identify, and send obtained waveform to the executing agency, the executing agency turns to the test vehicle according to the change of input waveform and provides different electrical power, to carry out the startup unloading test under different external environment conditions to the test vehicle.By the present invention, extend startup unloading test scope and improve testing efficiency.
Description
Technical field
The present invention relates to technical field of automobile control, and in particular to a kind of automobile starting voltage analog system and method.
Background technology
Automobile is in ignition point, and by generator moment work influence, vehicle power supply circuit voltage is significantly reduced, in car
Vehicle voltage recovers normal after the completion of igniting.To ensure that vehicle can normally smoothly complete startup, automobile industry is universal at present
Requirement be to allow combination instrument, car body controller, seat controller, door controller disabler occur in ignition process
Do not work temporarily even phenomenon, to reduce consumption of these electrical appliances for whole electric power loop voltage, function after the completion of igniting
Recover normal.This Starting mode is referred to as starting off-load.
Whether possess for checking vehicle component and start unloading function, it is necessary to which the startup of completion stand is unloaded before real vehicle carrying
Lotus functional test confirms.
At this stage, the startup unloading test standard generally used is the wavy curve defined in ISO-16750, or automobile
The customized wavy curve of main engine plants.Two kinds of specific waveforms curves are simulated by special equipment to realize for starting unloading function
Simulation test.Above two specific curves are fixed setting, and test parameter can not arbitrarily change.
Find that different automobile types, which start wavy curve, can all deviation by repeatedly actual measurement；Same vehicle is in not equality of temperature
Start waveform under the conditions of degree and also have obvious difference.It can not be completely covered using the startup unloading test curve of fixed setting
Voltage change conditions under all kinds of operating modes.
The content of the invention
The invention provides a kind of automobile starting voltage analog system and method, with expanding start-up unloading test scope and carry
High testing efficiency.
To achieve these goals, the invention provides following technical scheme：
A kind of automobile starting voltage analog system, the system include：Treat simulating vehicle, voltage acquisition equipment, host computer,
Executing agency, test vehicle；The voltage acquisition equipment is connected with the battery for treating simulating vehicle；The host computer difference
It is connected with the voltage acquisition equipment, the executing agency；The executing agency and the power interface of the test vehicle are electrically connected
Connect；When simulating vehicle is in different external environment conditions, the voltage acquisition equipment gathers the battery difference external rings
Startup voltage waveform under border, and send the startup voltage waveform to the host computer progress data processing and obtain execution machine
The waveform that structure can identify, the host computer send obtained waveform to the executing agency, and the executing agency is according to defeated
The change for entering waveform turns to the test vehicle offer different electrical power, to carry out opening under different external environment conditions to the test vehicle
Dynamic unloading test.
Preferably, the host computer carries out data processing to the startup voltage waveform in the following manner：
Extract the key feature points of the startup voltage waveform；
The key feature points are carried out with waveform flex point and the processing of time assignment；
The form required according to the executing agency time, voltage parameter is handled, and obtains executing agency's energy
The waveform enough identified.
Preferably, the waveform that the executing agency can identify is temporal voltage waveform.
Preferably, the host computer is connected with the executing agency by gpib bus and/or by internet.
Preferably, the voltage acquisition equipment is oscillograph.
Preferably, the model TOE-8815 of the executing agency.
A kind of automobile starting voltage analog method, methods described include：Collection treats the battery of simulating vehicle outside difference
Startup voltage waveform under portion's environment；
The startup voltage waveform is converted into the waveform that executing agency can identify, and by the waveform after conversion export to
The executing agency；
The executing agency turns to test carriage according to the change of input waveform and provides different electrical power, with to the test vehicle
Carry out the startup unloading test under different external environment conditions.
Preferably, the waveform that the startup voltage waveform is converted to executing agency and can identified includes：
Extract the key feature points of the startup voltage waveform；
The key feature points are carried out with waveform flex point and the processing of time assignment；
The form required according to the executing agency time, voltage parameter is handled, and obtaining executing agency can know
Other waveform.
Preferably, the waveform by after conversion exports includes to the executing agency：
The waveform after conversion is exported to the executing agency by gpib bus or internet.
The beneficial effects of the present invention are：
Automobile starting voltage analog system and method provided by the invention, voltage acquisition equipment gather the storage for treating simulating vehicle
Startup voltage waveform under battery difference external environment condition, and the startup voltage waveform is sent to and is connected with the voltage apparatus
Host computer carry out data processing；The waveform that executing agency can identify is obtained after the completion of the host computer data processing, and will
Obtained waveform sends the executing agency being connected with the host computer to；The executing agency according to the change of input waveform turn to
The test vehicle of executing agency's connection provides different electrical power, to carry out opening under different external environment conditions to the test vehicle
Dynamic unloading test.By the present invention, extend startup unloading test scope and improve testing efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of automobile starting voltage analog system of the embodiment of the present invention.
Fig. 2 is a kind of flow chart of automobile starting voltage analog method of the embodiment of the present invention.
Embodiment
In order that those skilled in the art can be further understood that the feature and technology contents of the present invention, below in conjunction with the accompanying drawings
The embodiment of the present invention is elaborated with embodiment.
It is automobile starting voltage analog system of the embodiment of the present invention as shown in Figure 1, the system includes：Treat simulating vehicle, electricity
Press collecting device, host computer, executing agency, test vehicle；The voltage acquisition equipment and the battery for treating simulating vehicle
Connection, to gather the startup voltage waveform of the battery；The host computer respectively with the voltage acquisition equipment, the execution
Mechanism connects；The executing agency electrically connects with the power interface of the test vehicle, to provide power supply for the test vehicle；
When simulating vehicle is in different external environment conditions, the voltage acquisition equipment is gathered under the battery difference external environment condition
Startup voltage waveform, by the startup voltage waveform send to the host computer carry out data processing obtain executing agency can
The waveform of identification, the host computer send obtained waveform to the executing agency, and the executing agency is according to input waveform
Change turn to the test vehicle different electrical power be provided, to carry out the startup off-load under different external environment conditions to the test vehicle
Test.
It should be noted that in the embodiment of the present invention, treat that simulating vehicle is respectively provided with the routine of conventional vehicles with testing vehicle
Configuration, such as, it is provided with battery, combination instrument, car body controller, seat controller etc.；Further, the embodiment of the present invention
In, when carrying out startup unloading test, the battery for testing vehicle is not involved in work, and executing agency is as the electricity for testing vehicle
Source provides power supply for the test vehicle.Further, in the embodiment of the present invention, different external environment conditions includes：Different ground
The environment such as domain, different temperature, different atmospheric pressure.Further, carrying out startup unloading test to test vehicle can be in stand
Upper installation camera, start unloading function so that whether parts on real-time monitoring and test vehicle have；Certainly, test vehicle is entered
Row starts unloading test can also directly observe by the naked eye to obtain by operating personnel, such as, in executing agency according to input
When the change of waveform turns to the test vehicle offer different electrical power, operator is directly observed in test vehicle ignition process, test
Whether parts, which have, on vehicle starts unloading function.
Specifically, in the embodiment of the present invention, the host computer can be connected with the executing agency by gpib bus, institute
Host computer is stated to be connected also by internet with the executing agency；Certainly, the host computer can also lead to the executing agency
Both gpib bus and internet is crossed to connect jointly, host computer and executing agency specifically connected mode can be as needed
Conversion, further, when treating simulating vehicle and voltage acquisition equipment under limit external environment condition (such as Lhasa), and host computer, hold
When local, voltage acquisition equipment can be connected with the host computer by internet, and upper for row mechanism and test vehicle
Machine can also be connected with executing agency by internet or gpib bus；When treat simulating vehicle, voltage acquisition equipment, host computer,
Executing agency and test vehicle in local stand at local (specifically can start unloading function test laboratory), voltage
Collecting device can be connected with the host computer by rigid line, and host computer can be connected with executing agency by gpib bus.
It should be noted that gpib bus communication is a kind of wide variety of signal communication side in laboratory equipment at present
Formula, it is mainly characterized by：In a GPIB standard interface bus system, to carry out effective liaison and at least " say
Person ", " hearer ", " control person " three quasi-instrument device, speaker are apparatus (such as measuring instruments that Instrument message is sent by bus
Device, data acquisition unit, computer), in a gpib bus, multiple speakers can be set, but at a time, can only there is one
Individual speaker is in action；Hearer is that the device (such as printer, signal source) that message is sent by speaker is received by bus, at one
In gpib bus, multiple hearers can be set, and allow multiple hearers while work；Control person is the group in data transmission procedure
The person of knitting and effector, such as other equipment is addressed or allows " speaker " to use gpib bus etc., control person is generally by calculating
Machine is served as, and gpib bus is not allow for two or more control persons while worked.
Specifically, the present embodiment mainly considers that this is a kind of is widely used from the communication modes of gpib bus
Ripe communication scheme, it is easy to implement the versatility of system.
Further, in the embodiment of the present invention, the voltage acquisition equipment can be oscillograph；There are lattice on the host computer
Formula converts software, and the startup voltage waveform that the host computer is exported the oscillograph by the format conversion software turns
Turn to the waveform that the executing agency can identify.
Specifically, the waveform that the executing agency can identify is temporal voltage waveform.
Specifically, the host computer carries out data processing to the startup voltage waveform in the following manner：
Extract the key feature points of the startup voltage waveform；The key feature points are carried out with waveform flex point and the time assigns
Value processing；The form required according to the executing agency time, voltage parameter is handled, and obtaining the executing agency can
The waveform of identification.
Further, the model of the executing agency can be TOE-8815.
In the embodiment of the present invention, the startup voltage waveform that host computer gathers voltage acquisition equipment is preserved with .csv forms；
Due to starting the data format required by voltage waveform can not provide executing agency, it is therefore desirable to which host computer passes through format conversion
The startup voltage waveform (i.e. .csv forms) is converted into the temporal voltage waveform that executing agency can identify by software.Specifically
Ground, the format conversion software can be compiled under LabVIEW environment.The format conversion software mainly can be real
Existing function is：1. the startup voltage waveform is imported into host computer；2. the initialization before program startup；3. extract waveform
Key feature points are not that key point does simplified processing；4. pair key feature points carry out waveform flex point and the processing of time assignment；5. press
The data format required according to executing agency, is handled parameters such as time, voltages, to meet executing agency's reading requirement；6.
Set aside some time, voltage editting function, can arbitrarily determine wavy curve；7. Data Integration is transferred to execution machine by gpib bus
Structure.
Start unloading test scope to further expand, and the parameter for changing temporal voltage waveform according to being actually needed,
Design parameter can be time, voltage, and in the embodiment of the present invention, temporal voltage waveform can be changed as needed by host computer
Time, voltage, test scope and testing efficiency is greatly improved.Automobile starting voltage-mode provided in an embodiment of the present invention
Plan system, the reading to different voltage waveforms and data processing function are supported, and can be electric according to the change time is actually needed
The parameters such as the voltage of corrugating, time, being capable of greatly expanding start-up unloading test scope, and make startup unloading test versatility more
By force, test result is more accurate.
In summary, mould is treated in automobile starting voltage analog system provided in an embodiment of the present invention, the collection of voltage acquisition equipment
Intend the startup voltage waveform under the battery difference external environment condition of vehicle, and the startup voltage waveform is sent to and the electricity
The host computer of equipment connection is pressed to carry out data processing；Obtain what executing agency can identify after the completion of the host computer data processing
Waveform, and obtained waveform is sent to the executing agency being connected with the host computer；The executing agency is according to input waveform
Change turn to the test vehicle that is connected with the executing agency different electrical power be provided, to carry out different outsides to the test vehicle
Startup unloading test under environment.The present invention is based on the variability issues for starting off-load waveform, it is proposed that utilizes programmable power supply
The scheme of different startup off-load waveforms is simulated, so as to extend startup unloading test scope and improve testing efficiency.
For said system, a kind of automobile starting voltage analog method of what the embodiment of the present invention also provided, as shown in Figure 2
It is a kind of flow chart of automobile starting voltage analog method of the embodiment of the present invention, comprises the following steps：
Step 100：Start.
Step 101：Startup voltage waveform of the battery of simulating vehicle under different external environment conditions is treated in collection.
Step 102：By the waveform for starting voltage waveform and being converted to executing agency and can identifying.
Specifically, the waveform that the startup voltage waveform is converted to executing agency and can identified includes：
Extraction starts the key feature points of voltage waveform；
The key feature points are carried out with waveform flex point and the processing of time assignment；
The form required according to the executing agency time, voltage parameter is handled, and obtaining executing agency can know
Other waveform.
Step 103：And the waveform after conversion is exported to the executing agency.
Specifically, the waveform by after conversion exports includes to the executing agency：
The waveform after conversion is exported to the executing agency by gpib bus or internet.
Step 104：The executing agency provides different electrical power according to the waveform of input for test vehicle, with to the test
Vehicle carries out the startup unloading test under different external environment conditions.
It should be noted that before the executing agency provides different electrical power according to the waveform of input for test vehicle, also
It can include：The parameter of the temporal voltage waveform is changed, design parameter can be time, voltage.Root in the embodiment of the present invention
, being capable of greatly expanding start-up unloading test scope, and making according to parameters such as voltage, the times for being actually needed change temporal voltage waveform
Startup unloading test versatility is stronger, and test result is more accurate.
Step 105：Terminate.
Automobile starting voltage analog method provided in an embodiment of the present invention, collection treat the battery of simulating vehicle outside difference
Startup voltage waveform under portion's environment；By the waveform for starting voltage waveform and being converted to executing agency and can identifying, and will turn
Waveform after changing is exported to the executing agency；The executing agency provides different electricity according to the waveform of input for test vehicle
Source, to carry out the startup unloading test under different external environment conditions to the test vehicle.By the present invention, startup off-load is extended
Test scope simultaneously improves testing efficiency.
In summary, automobile starting voltage analog system and method provided in an embodiment of the present invention, it is possible to achieve following work(
Energy：1st, reading of the host computer to startup voltage waveform；2nd, host computer based on the data format that executing agency requires to the startup
The data of voltage waveform are handled；3rd, host computer supports the people of the key parameter of the voltage to temporal voltage waveform, time etc.
Propertyization changes function.By the present invention, extend startup unloading test scope and improve testing efficiency.
The embodiment of the present invention is described in detail above, embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help to understand system and method for the invention；Meanwhile for the one of this area
As technical staff, according to the thought of the present invention, there will be changes in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (9)
1. a kind of automobile starting voltage analog system, it is characterised in that the system includes：Treat that simulating vehicle, voltage acquisition are set
Standby, host computer, executing agency, test vehicle；The voltage acquisition equipment is connected with the battery for treating simulating vehicle；It is described
Host computer is connected with the voltage acquisition equipment, the executing agency respectively；The executing agency and the electricity of the test vehicle
Source interface electrically connects；When simulating vehicle is in different external environment conditions, the voltage acquisition equipment gathers the battery
Startup voltage waveform under different external environment conditions, and send the startup voltage waveform to the host computer and carry out data processing
The waveform that executing agency can identify is obtained, the host computer sends obtained waveform to the executing agency, the execution
Mechanism turns to the test vehicle according to the change of input waveform and provides different electrical power, to carry out different outsides to the test vehicle
Startup unloading test under environment.
2. automobile starting voltage analog system according to claim 1, it is characterised in that the host computer is in the following manner
Data processing is carried out to the startup voltage waveform：
Extract the key feature points of the startup voltage waveform；
The key feature points are carried out with waveform flex point and the processing of time assignment；
The form required according to the executing agency time, voltage parameter is handled, and obtaining the executing agency can know
Other waveform.
3. automobile starting voltage analog system according to claim 1, it is characterised in that the executing agency can identify
Waveform be temporal voltage waveform.
4. automobile starting voltage analog system according to claim 1, it is characterised in that the host computer and the execution
Mechanism connects by gpib bus and/or by internet.
5. the automobile starting voltage analog system according to claim any one of 1-4, it is characterised in that the voltage acquisition
Equipment is oscillograph.
6. automobile starting voltage analog system according to claim 5, it is characterised in that the model of the executing agency
TOE-8815。
A kind of 7. automobile starting voltage analog method, it is characterised in that methods described includes：The battery of simulating vehicle is treated in collection
Startup voltage waveform under different external environment conditions；
By the waveform for starting voltage waveform and being converted to executing agency and can identifying, and the waveform after conversion is exported to described
Executing agency；
The executing agency turns to test carriage according to the change of input waveform and provides different electrical power, to be carried out to the test vehicle
Startup unloading test under different external environment conditions.
8. automobile starting voltage analog method according to claim 7, it is characterised in that described by the startup voltage wave
The waveform that shape is converted to executing agency and can identified includes：
Extract the key feature points of the startup voltage waveform；
The key feature points are carried out with waveform flex point and the processing of time assignment；
The form required according to the executing agency time, voltage parameter is handled, and obtains what executing agency can identify
Waveform.
9. automobile starting voltage analog method according to claim 8, it is characterised in that described that waveform after conversion is defeated
Go out includes to the executing agency：
The waveform after conversion is exported to the executing agency by gpib bus or internet.
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| CN201710841742.0A CN107462797A (en) | 2017-09-18 | 2017-09-18 | A kind of automobile starting voltage analog system and method |
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| CN201710841742.0A CN107462797A (en) | 2017-09-18 | 2017-09-18 | A kind of automobile starting voltage analog system and method |
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Application publication date: 20171212 |