CN104535867A - Function checking device of electric car battery management system - Google Patents
Function checking device of electric car battery management system Download PDFInfo
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- CN104535867A CN104535867A CN201510001286.XA CN201510001286A CN104535867A CN 104535867 A CN104535867 A CN 104535867A CN 201510001286 A CN201510001286 A CN 201510001286A CN 104535867 A CN104535867 A CN 104535867A
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Abstract
The invention discloses a function checking device of an electric car battery management system. The function checking device mainly comprises a power source module, a simulation monomer voltage generation module, a simulation temperature generation module, a simulation current generation module, a processor control module, an operation module and a display module, wherein the power source module, the simulation monomer voltage generation module, the simulation temperature generation module, the operation module and the display module are connected with the processor control module. The function checking device can conveniently, easily and rapidly detect the electric car battery management system, high quality and high efficiency of production of the battery management system are ensured, and meanwhile a channel is provided for software and hardware debugging of research and development products of the battery management system.
Description
Technical field
The present invention relates to electric automobile power battery field, be specially a kind of portable battery management system Function detection instrument.
Background technology
In recent years, the environmental problem such as energy famine, greenhouse effect all becomes the focus that countries in the world are paid close attention to.Electric automobile substitutes conventional fuel oil automobile, has not only solved energy shortage but also environmental protection, becomes the focus of whole world research and development, and wherein battery and battery management system are one of important bottlenecks of restriction Development of Electric Vehicles.Effective monitor and managment is in real time carried out to electric battery, the reliability of electric battery serviceable life and raising electric automobile can be extended.According to BMS branch of company technology for many years and experience, the research emphasis of battery management system is real-time voltage and the state of temperature of each string battery module in electric battery, and the charging and discharging state of whole electric battery, therefore battery management system is the tie that battery is connected with external equipment.Battery management system comprises motherboard and from machine plate, its function will perfect stable.
At present because the electric automobiles such as electric bus, electrocar, electric bus are produced in enormous quantities, the battery management system of an electric automobile just needs a main frame and several even tens slave machines, so need to produce the even more battery management system of thousands of cover, the functional test of battery management system just becomes the vital task of BMS production.To test one by one from the power module of machine plate, monomer voltage acquisition module, monomer temperature acquisition module, the function such as CAN and numeral method module; Need to test its power module, communication module, charge/discharge control module, refrigerating/heating module etc. to main frame, therefore, when order in enormous quantities, the fast functional testing of battery management system becomes a large obstacle of High-efficient Production, has to be solved.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of FCS functional check-out set of cell management system of electric automobile, to solve the above-mentioned multinomial defect caused in prior art.
The object of the invention is to provide a kind of FCS functional check-out set of cell management system of electric automobile, can simulate the input signal producing battery management system, and simulated environment affects, and carries out the test under various condition to battery management system.
In order to achieve the above object, the technical solution adopted in the present invention is: power module, simulation monomer voltage generation module, analog temperature generation module, analog current generation module, processor control module, operational module and display module, described power module, simulated battery voltage generating module, analog temperature generation module, operational module and display module are all connected with processor control module, described power module comprises AC-DC module, described AC-DC module input is connected with civil power, the other end is connected with DC-DC module, described simulation monomer voltage generation module comprises DC-DC module and Voltage Regulator Module, the input of described DC-DC module exports with the DC power supply of AC-DC module and is connected, export and be connected with Voltage Regulator Module, described Voltage Regulator Module is connected from machine with BMS to be measured, described analog temperature generation module and analog current generation module comprise adjustable resistor and multi-way switch, described multi-way switch is connected with the single-chip microcomputer of processor control module, described operational module is exported by voltage and controls button, temperature simulation gauge tap, discharge and recharge analogue enlargement switch and current adjusting knob composition, described display module is by display screen, gauge tap button and pilot lamp composition, described operational module and display module are all arranged on verifying attachment panel.
Preferably, buffer circuit is provided with in described simulation monomer voltage generation module.
Preferably, the FCS functional check-out set of described cell management system of electric automobile is provided with the simulation monomer voltage generation module on 12 tunnels, can produce 12 joint monomer battery voltages.
Preferably, described analog current generation module is connected with BMS main frame to be measured.
Preferably, the FCS functional check-out set of described cell management system of electric automobile is provided with main frame and from machine interface, main frame is connected with processor module by internal circuit with from machine interface.
Preferably, described processor control module is also provided with signal amplification, port expansion circuit.
Preferably, corresponding on described verifying attachment panel control button is provided with functional label.
The beneficial effect of above technical scheme is adopted to be: a kind of FCS functional check-out set of cell management system of electric automobile, buffer circuit is provided with in described simulation monomer voltage generation module, prevent from producing electrical Interference between each Voltage Regulator Module, the FCS functional check-out set of described cell management system of electric automobile is provided with the simulation monomer voltage generation module on 12 tunnels, 12 joint monomer battery voltages can be produced, the analog quantity of more monomer battery voltage can be provided, obtain the data acquisition information of the analog quantity of more cell voltages, how reliable data message is provided to the FCS functional check-out set of cell management system of electric automobile.Described analog current generation module is connected with BMS main frame to be measured, the current information of generation is sent to BMS host computer system to be measured by analog current generation module, BMS host computer system to be measured can judge whether analog current meets the demands, thus corresponding action made by BMS main frame relay to be measured, the FCS functional check-out set of described cell management system of electric automobile is provided with main frame and from machine interface, BMS main frame to be measured is connected with the FCS functional check-out set of cell management system of electric automobile with from machine is convenient, described processor control module is also provided with signal and amplifies, port expansion circuit, more expanded function is reserved for processor control module, control button corresponding on described verifying attachment panel is provided with functional label, checker can be facilitated to identify the function controlling button fast, improve operability.The present invention can be good at each monomer voltage and the stagnation pressure of simulating electrokinetic cell, and under-voltage, overvoltage and the state such as low temperature, excess temperature of electrokinetic cell is selected by the gauge tap of device outside, the switch motion of various relay finally all can show on device, makes the test process of battery management system simple, rapid.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention.
Fig. 2 is the DC12V isolation voltage output circuit figure of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention.
Fig. 3 is that the simulation monomer voltage of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention produces circuit diagram.
Fig. 4 is the simulation monomer voltage commutation circuit figure of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention.
Fig. 5 is that the analog current of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention produces and commutation circuit figure.
Fig. 6 is that the single temperature of simulation of the FCS functional check-out set of a kind of cell management system of electric automobile of the present invention produces and commutation circuit figure.
Embodiment
The following detailed description of the preferred embodiment of the present invention.
A kind of FCS functional check-out set of cell management system of electric automobile, it is characterized in that comprising: power module, simulation monomer voltage generation module, analog temperature generation module, analog current generation module, processor control module, operational module and display module, described power module, simulated battery voltage generating module, analog temperature generation module, operational module and display module are all connected with processor control module, processor control module be used for identifying operation module actuation of keys after respond, described power module comprises AC-DC module, described AC-DC module input is connected with civil power, convert the 220V of electric main to direct current 24V, to processor control module, simulation monomer voltage generation module and display module are powered, and can power to BMS to be measured, described simulation monomer voltage generation module comprises DC-DC module and Voltage Regulator Module, the input of described DC-DC module exports with the DC power supply of AC-DC module and is connected, export and be connected with Voltage Regulator Module, described Voltage Regulator Module is connected from machine with BMS to be measured, described analog temperature generation module and analog current generation module comprise adjustable resistor and multi-way switch, described multi-way switch is connected with the single-chip microcomputer of processor control module, 12V insulating power supply is produced by LB2412LS-1W and peripheral circuit thereof, DC-DC module is connected with voltage-regulation chip respectively altogether, described Voltage Regulator Module transfers the 12V insulating power supply on 12 tunnels the monomer voltage C1-C12 of electrokinetic cell to respectively by 12 voltage-regulation chip LM25007 and peripheral circuit thereof, the Single-chip Controlling multi-way switch Relay-SPST of treated device control module exports the different conditions of 12 road monomer voltages, the different conditions controlling 12 road monomer voltages is exported through Single-chip Controlling multi-way switch, comprise under-voltage, overvoltage, normal three kinds of states, 12 road battery voltage analog Signal transmissions of control are given BMS main frame to be measured by single-chip microcomputer, BMS main frame to be measured judges that 12 road battery voltage analog signal voltage values are under-voltage, normal still overvoltage, thus judge that this charging of battery is still discharged, these three kinds of states have corresponding gauge tap button respectively on verifying attachment panel, such testing staff just detects the voltage acquisition function from machine plate by the switch of guidance panel, described analog temperature generation module comprises adjustable resistor, described adjustable resistor is connected with single-chip microcomputer, temperature is owed to providing from machine acquisition chip by regulating adjustable resistance, the states such as excess temperature, to detect from machine plate temperature acquisition function, described analog temperature generation module is by 200k, 400k, 600k and three tunnel selector switch SWITCH3 is formed, analog temperature state is carried out by the Single-chip Controlling adjustable resistance of processor control module, by 200K adjustable resistance, multidiameter option switch and single-chip microcomputer are formed, analog temperature state is carried out by Single-chip Controlling adjustable resistance, by with gather IO from machine plate temperature and be connected, drive fan and the heating actuating of relay from machine plate, thus the temperature acquisition function detected from machine plate, pick-up unit of the present invention provides 4 road analog temperatures to produce passage, every bar channel temperature all can at-21 DEG C, 10 DEG C, switch between 41 DEG C of 3 gears, simulate low temperature (heating), normally, high temperature (fan) three kinds of state of temperatures, these three kinds of states have corresponding gauge tap button respectively on verifying attachment panel, described analog current generation module is made up of 200K adjustable resistance and multi-way switch, described multi-way switch is connected with the single-chip microcomputer of processor control module, form 2 analog currents and produce passage, charging can be simulated, discharge loop electric current, by regulating current adjusting knob, analog current size can be adjusted.Described operational module is exported by voltage and controls button, temperature simulation gauge tap, discharge and recharge analogue enlargement switch and current adjusting knob composition, voltage exports control button control voltage can realize three kinds of magnitudes of voltage outputs, namely under-voltage, normal and overvoltage, temperature simulation switch controls produces three kinds of different temperature signals, i.e. low temperature, normal temperature, high temperature inputs to BMS to be measured from machine plate, discharge and recharge analogue enlargement switch can simulate Hall current sensor output voltage values to motherboard, and the size of electric current is adjusted by current adjusting knob, described display module is by display screen, gauge tap button and pilot lamp composition, described operational module and display module are all arranged on verifying attachment panel, be used for observing the multiple battery information that BMS system records, comprising 12 road monomer voltage select buttons, 4 road thermal creep stress buttons, also has the display of various states pilot lamp, reflect the action response situation of each relay of BMS system intuitively.Can support 10 main frame relays, 2 from machine relay test passage, judged the action situation of relay by pilot lamp.Buffer circuit is provided with in described simulation monomer voltage generation module, prevent from producing electrical Interference between each Voltage Regulator Module, the FCS functional check-out set of described cell management system of electric automobile is provided with the simulation monomer voltage generation module on 12 tunnels, 12 joint monomer battery voltages can be produced, the analog quantity of more monomer battery voltage can be provided, obtain the data acquisition information of the analog quantity of more cell voltages, provide how reliable data message to the FCS functional check-out set of cell management system of electric automobile.Described analog current generation module is connected with BMS main frame to be measured, the current information of generation is sent to BMS host computer system to be measured by analog current generation module, BMS host computer system to be measured can judge whether analog current meets the demands, thus corresponding action made by BMS main frame relay to be measured, the FCS functional check-out set of described cell management system of electric automobile is provided with main frame and from machine interface, main frame is connected with processor module by internal circuit with from machine interface, facilitate BMS main frame to be measured and from machine easily with the connection of the FCS functional check-out set of cell management system of electric automobile, described processor control module is also provided with signal and amplifies, port expansion circuit, processor control module is facilitated to realize more expanded function, control button corresponding on described verifying attachment panel is provided with functional label, checker can be facilitated to identify the function controlling button fast, improve operability.
The beneficial effect of above technical scheme is adopted to be: a kind of FCS functional check-out set of cell management system of electric automobile, buffer circuit is provided with in described simulation monomer voltage generation module, prevent from producing electrical Interference between each Voltage Regulator Module, the FCS functional check-out set of described cell management system of electric automobile is provided with the simulation monomer voltage generation module on 12 tunnels, 12 joint monomer battery voltages can be produced, the analog quantity of more monomer battery voltage can be provided, obtain the data acquisition information of the analog quantity of more cell voltages, how reliable data message is provided to the FCS functional check-out set of cell management system of electric automobile.Described analog current generation module is connected with BMS main frame to be measured, the current information of generation is sent to BMS host computer system to be measured by analog current generation module, BMS host computer system to be measured can judge whether analog current meets the demands, thus corresponding action made by BMS main frame relay to be measured, the FCS functional check-out set of described cell management system of electric automobile is provided with main frame and from machine interface, facilitate BMS main frame to be measured and from machine easily with the connection of the FCS functional check-out set of cell management system of electric automobile, described processor control module is also provided with signal and amplifies, port expansion circuit, be convenient to processor control module and realize more expanded function, control button corresponding on described verifying attachment panel is provided with functional label, checker can be facilitated to identify the function controlling button fast, improve operability.The present invention can be good at each monomer voltage and the stagnation pressure of simulating power battery pack, and under-voltage, overvoltage and the state such as low temperature, excess temperature of electrokinetic cell is selected by the gauge tap of device outside, the switch motion of various relay finally all can show on device, makes the test process of battery management system simple, rapid.
To sum up, this verifying attachment can simulate electrokinetic cell voltage and curent change accurately, can be good at the inspection of battery management system function, this device can simulated environment state of temperature simultaneously, various critical condition inspection can be carried out to battery management system by software, make the Function detection of battery management system more convenient, quick.It is all first-selected portable detection tool that this device don't work in the production test of battery management system, research and development of products or car load debugging.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. the FCS functional check-out set of a cell management system of electric automobile, it is characterized in that comprising: power module, simulation monomer voltage generation module, analog temperature generation module, analog current generation module, processor control module, operational module and display module, described power module, simulated battery voltage generating module, analog temperature generation module, operational module and display module are all connected with processor control module, described power module comprises AC-DC module, described AC-DC module input is connected with civil power, described simulation monomer voltage generation module comprises DC-DC module and Voltage Regulator Module, the input of described DC-DC module exports with the DC power supply of AC-DC module and is connected, export and be connected with Voltage Regulator Module, described Voltage Regulator Module is connected from machine with BMS to be measured, described analog temperature generation module and analog current generation module comprise adjustable resistor and multi-way switch, described multi-way switch is connected with the single-chip microcomputer of processor control module, described operational module is exported by voltage and controls button, temperature simulation gauge tap, discharge and recharge analogue enlargement switch and current adjusting knob composition, described display module is by display screen, gauge tap button and pilot lamp composition, described operational module and display module are all arranged on verifying attachment panel.
2. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, is characterized in that: be provided with buffer circuit in described simulation monomer voltage generation module.
3. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, it is characterized in that: the FCS functional check-out set of described cell management system of electric automobile is provided with the simulation monomer voltage generation module on 12 tunnels, can produce 12 joint monomer battery voltages.
4. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, is characterized in that: described analog current generation module is connected with BMS main frame to be measured.
5. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, it is characterized in that: the FCS functional check-out set of described cell management system of electric automobile is provided with main frame and from machine interface, main frame is connected with processor module by internal circuit with from machine interface.
6. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, is characterized in that: described processor control module is also provided with signal amplification, port expansion circuit.
7. the FCS functional check-out set of a kind of cell management system of electric automobile according to claim 1, is characterized in that: control button corresponding on described verifying attachment panel is provided with functional label.
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