CN207409616U - A kind of new energy resource power battery simulator - Google Patents
A kind of new energy resource power battery simulator Download PDFInfo
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- CN207409616U CN207409616U CN201721081020.1U CN201721081020U CN207409616U CN 207409616 U CN207409616 U CN 207409616U CN 201721081020 U CN201721081020 U CN 201721081020U CN 207409616 U CN207409616 U CN 207409616U
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- 238000009413 insulation Methods 0.000 claims abstract description 73
- 238000012360 testing method Methods 0.000 claims abstract description 48
- 238000004088 simulation Methods 0.000 claims abstract description 29
- 238000013461 design Methods 0.000 claims abstract description 11
- 238000003745 diagnosis Methods 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims description 56
- 238000002347 injection Methods 0.000 claims description 43
- 239000007924 injection Substances 0.000 claims description 43
- 238000004891 communication Methods 0.000 claims description 39
- 208000032953 Device battery issue Diseases 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
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- 230000008878 coupling Effects 0.000 claims 1
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- 230000017525 heat dissipation Effects 0.000 abstract description 4
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- 238000009423 ventilation Methods 0.000 abstract description 3
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- 238000010586 diagram Methods 0.000 description 7
- 238000012795 verification Methods 0.000 description 6
- IVUGBSGLHRJSSP-UHFFFAOYSA-N LimKi 3 Chemical compound S1C(NC(=O)C(C)C)=NC=C1C1=CC(C(F)F)=NN1C1=C(Cl)C=CC=C1Cl IVUGBSGLHRJSSP-UHFFFAOYSA-N 0.000 description 4
- 238000011990 functional testing Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of new energy resource power battery simulators, the functions such as single battery signal simulation, temperature signal emulation and insulating signal emulation needed for its completely integrated BMS tests, it can flexibly realize the voltage analog of high-tension battery group, the simulation of battery pack temperature sensor signal, the insulation resistance emulation of high-pressure system, it can be loaded simultaneously by built-in electronic and high-precision current acquisition function, the active and passive equilibrium for realizing BMS are tested；Rely on battery cell direct fault location module, it can be achieved that including：Output short-circuit, output open circuit, the interchannel open circuit being cascaded, sampling line are opened a way, to the battery cells electric fault such as low-voltage circuit short circuit, realize the fault diagnosis test of BMS.In addition, being designed by the compact Integrated design and heat dissipation ventilation of equipment, the volume of equipment is greatly reduced, the fussy degree that equipment uses is reduced, and ensure that the good reliability of equipment.
Description
Technical field
The utility model is related to new energy resource power battery functional test technical field, more particularly to a kind of new energy power
Battery emulation apparatus.
Background technology
The battery management system (Battery Management Systern, abbreviation BMS) of electric vehicle, is electric vehicle
The key component of battery system in three electric systems is the key core component for monitoring battery system operation and protection battery system.
To improve the properties of product and quality of BMS, therefore, operating voltage acquisition, monomer battery voltage monitoring, temperature for BMS are supervised
Survey, SOC (state of charge, state-of-charge) calculating, battery balanced management, battery thermal balance, high-voltage safety, failure are examined
The a series of test such as disconnected is very crucial.At present, mainly there is the following two kinds to the testing scheme of BMS：(1), using actual battery
Bag is used as sensor and load, by gathering battery pack monomer voltage and electric current, temperature signal and Insulation monitoring sensor signal,
Realize the test of BMS controller soft hardware capabilities, the content of test is with static, based on basic function；(2), use can compile
Journey battery analog power, each channel voltage, electric current are set by programming software respectively, are emulated by the resistance installed in computer
Board artificial battery bag temperature and insulation resistance realize the test of the software and hardware function of BMS, and the content of test is dynamic, energy
It is enough to carry out more comprehensive functional test.
Above two technical solution is respectively present following problem：For carrying out BMS controller tests using actual battery bag
When, it has the following problems：(1) signals such as battery pack operating voltage, monomer battery voltage, temperature are difficult to realize dynamic analog；(2)
Limiting condition is simulated brings security risk, such as overvoltage, overcurrent and excess temperature to tester, it is possible to cause battery explosion；(3)
Time-consuming for the verification of SOC algorithm for estimating, and real battery set charge/discharge experiment takes one week or even longer time；(4) simulation is special
It is big to determine operating mode difficulty, such as during equalization function test, manufactures subtle state-of-charge difference between battery cell, battery Thermal Balance Test
When, manufacture monomer and the subtle temperature difference of battery parlor etc..And use programmable battery analog power and resistance simulation card
Form then there are the following problems：(1) due to not possessing program-control electronic load function, it is difficult to carry out the important algorithms such as active equalization
Verification；(2) tested, needed in the larger BMS tests of single battery quantity big using programmable battery analog power
The programmable power supply of amount carries out cascade operation, easily leads in monomer phantom channel and there is the problem of synchronous difficult, system cost is excessively high；
(3) test system is in addition to needing to inherit programmable power supply, will also integrated temperature simulation card in a computer, cause system tray
Structure is loose, builds time-consuming and laborious during test environment, reduces the efficiency of test.
Therefore it provides one kind is integrated with the simulation of new-energy automobile power battery monomer voltage current signal, battery pack temperature
The battery emulation apparatus of the modules such as signal and insulation resistance signal imitation realizes that the dynamic of new-energy automobile BMS peripheral signals is imitated
Very, the voltage of BMS controllers and current acquisition monitoring, passive balanced, the SOC estimations of battery active ＆, battery pack temperature be disclosure satisfy that
The demand of the functional tests such as control and insulation safety monitoring, is those skilled in the art's urgent problem to be solved.
Utility model content
The purpose of this utility model is that a kind of new energy resource power battery simulator is proposed, to realize new-energy automobile
The dynamic simulation of BMS peripheral signals, disclosure satisfy that BMS controllers voltage and current acquisition monitoring, battery active ＆ it is passively equal
The demand of the functional tests such as weighing apparatus, SOC estimations, the control of battery pack temperature and insulation safety monitoring.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of new energy resource power battery simulator, the new energy resource power battery simulator pass through battery management system
The controller harness of BMS is connected with tested BMS, for being tested the access of BMS controllers, passes through communication interface and host computer phase
Even, the output of signal is emulated by the control software control of the host computer, the new energy resource power battery simulator includes：Electricity
Pond monomer emulation board, battery temperature emulation board, insulation resistance emulation board, battery failures injection module, sensor fault injection mould
Block and power module, wherein：
The battery cell emulation board is connected with the battery failures injection module, the battery temperature emulation board and described
Insulation resistance emulation board is connected respectively with the sensor fault injection module, the power module respectively with the battery cell
Emulation board, the battery temperature emulation board are connected with the insulation resistance emulation board, and the battery failures injection module passes through string
Mouth line cable is connected with the host computer；
The battery cell emulation board is used for the simulation of the voltage and charging and discharging currents of the single battery under high voltage condition；
The battery failures injection module is used to simulate the electric fault of the tested BMS acquisitions monitoring circuit；
The battery temperature emulation board is used for the setting dynamic analog battery temperature of the control software according to the host computer
The resistance value signal intensity of sensor realizes the temperature acquisition test of supervisor of the tested BMS；
The insulation resistance emulation board is electric for emulating each node insulation against ground of battery pack in the test of the tested BMS
Resistance realizes multinode access function by program controlled switch；
The sensor fault injection module is used to carry out electric fault injection to sensor signal, realizes to described tested
The test of the fault diagnosis of BMS controllers；
The power module is for the respectively battery cell emulation board, the battery temperature emulation board and the insulation
Resistance emulation board is powered.
Preferably, the battery cell emulation board includes the first fpga chip, battery cell emulation board power circuit and extremely
A few battery cell channel circuit, the battery cell channel circuit include monomer voltage analog module, monomer electronic load,
Monomer voltage gathers and monomer current acquisition module, wherein：
The battery cell emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer,
First fpga chip is used for data communication and logic control；
The monomer voltage analog module is used for setting output voltage, and the monomer electronic load is used for setting electronic load
The electric current of absorption, the monomer voltage acquisition module are then used for gathering output voltage, and the monomer current acquisition module is used for adopting
Collect the electric current among circuit.
Preferably, the battery temperature emulation board includes：Second fpga chip, battery temperature emulation board power circuit,
One resistor current detection circuit, resistance network circuit, optocoupler array circuit and optocoupler driving circuit, wherein：
The battery temperature emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer,
Second fpga chip is connected respectively with the first resistor current detection circuit and the optocoupler driving circuit, the resistance
Lattice network is connected with the first resistor current detection circuit, the optocoupler array circuit respectively with the optocoupler driving circuit
It is connected with the resistance network circuit；
Second fpga chip is receiving resistance number for data communication, relay control and logic control function
According to rear, the resistance data is handled accordingly, exports resistance network circuit relaying described in high level or low level control
Electric switch state realizes being switched in or out for resistance in the resistance network circuit；
The first resistor current detection circuit monitors the electric current in the resistance network circuit passage in real time, when the electricity
When stream is more than the first preset limit value, the second fpga chip control logic circuit will cut off resistance via, realize the electricity
Hinder the power defencive function of lattice network.
Preferably, the insulation resistance emulation board includes：3rd fpga chip, insulation resistance emulation board power circuit,
Two resistor current detection circuits, insulation resistance lattice network, high-voltage relay array circuit and relay drive circuit,
In：
The insulation resistance emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer,
3rd fpga chip is connected respectively with the second resistance current detection circuit and the relay drive circuit, described exhausted
Edge resistance network circuit is connected with the second resistance current detection circuit, the high-voltage relay array circuit respectively with it is described
Relay drive circuit is connected with the insulation resistance lattice network；
3rd fpga chip is receiving resistance number for data communication, relay control and logic control function
According to rear, the resistance data is handled accordingly, exports insulation resistance lattice network described in high level or low level control
Repeat circuit on off state realizes being switched in or out for resistance in the insulation resistance lattice network；
The second resistance current detection circuit monitors the electric current in the insulation resistance network channel in real time, when the electricity
When stream is more than the second preset limit value, the 3rd fpga chip control logic circuit will cut off resistance via, realize described exhausted
The power defencive function of edge resistance network circuit.
Preferably, the battery cell direct fault location module includes：One piece of battery failures injection control panel and several blocks of electricity
Pond direct fault location plate composition, wherein：
The battery failures injection control panel is used to implement to low-tension supply and low-tension supply ground short circuit failure；The battery
Direct fault location plate is used for the relevant direct fault location of battery cell.
Preferably, further include：For integrating the battery cell emulation board cabinet of the battery cell emulation board.
Preferably, the battery cell emulation board cabinet is provided with cooling system, and the cooling system is provided with program-controlled wind
Fan.
Preferably, the battery cell emulation board cabinet height is 5U, and intermediate 3U imitates for installing the battery cell
True plate, below 1U be arranged to the air supplying layer of cool breeze, above 1U be arranged to the air outlet layer of hot wind, the air outlet layer passes through described program-controlled
Fan carries out the control of specific heat load, and the battery cell emulation board is configured with temperature sensor, for the automatic of design temperature
It adjusts, hot wind is discharged by the program-controlled fan of the battery cell emulation board cabinet.
Preferably, further include：The new energy resource power battery simulator cabinet, for integrating the new energy power electric
The battery cell emulation board, the battery temperature emulation board, the insulation resistance emulation board, the battery of pond simulator
Direct fault location module, the sensor fault injection module and the power module.
Preferably, the new energy resource power battery simulator cabinet is 9U, is sequentially arranged signal of communication tune from top to bottom
Case, the battery cell board cabinet and power supply box are managed, wherein：
The signal of communication conditioning case is used to install the battery temperature emulation board and the insulation resistance emulation board, union
Into the external interface of the new energy resource power battery simulator；
The battery cell board cabinet is used to install the battery cell board；
The power supply box is used to nurse one's health case for the signal of communication and the battery cell board cabinet provides power supply.
It can be seen via above technical scheme that compared with prior art, the utility model discloses a kind of new energy power
Battery emulation apparatus, single battery signal simulation, temperature signal emulation and insulating signal needed for completely integrated BMS tests
The functions such as emulation, can flexibly realize the voltage analog of high-tension battery group, the simulation of battery pack temperature sensor signal, high-pressure system
Insulation resistance emulation, while can be loaded by built-in electronic and high-precision current acquisition function, realize the active of BMS and passive
Equilibrium test；Rely on battery cell direct fault location module, it can be achieved that including：Output short-circuit, output open circuit, be cascaded it is logical
It opens a way between road, sample line open circuit, to the battery cells electric fault such as low-voltage circuit short circuit, realize the fault diagnosis test of BMS, it can
Meet a variety of BMS tests of following application scenario：
(1) hardware testing of BMS：To provide the simulation of monomer voltage and electric current during BMS hardware testings, adopting for BMS is verified
The properties of collection monitoring interface；
(2) BMS debugging embedded softwares：To provide the charging, electric discharge and master of battery cell during BMS embedded software tests
The operating modes such as the simulation of dynamic equilibrium etc., nominal situation, limiting condition, the fault condition of simulated battery monomer, verify embedded software
Various functions；
(3) BMS experiments excitation etc.：It is carried for the various checking tests of BMS controllers, such as thermocycling, durability test
For the simulation of power battery so that BMS can complete corresponding verification experimental verification under the operating mode drafted.
In addition, being designed by the compact Integrated design and heat dissipation ventilation of equipment, the volume of equipment, drop are greatly reduced
The fussy degree that low equipment uses, and ensure that the good reliability of equipment.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of new energy resource power battery simulator structure diagram that the utility model embodiment provides；
Fig. 2 is the battery cell emulation board principle schematic provided in the utility model embodiment；
Fig. 3 is the battery temperature emulation board principle schematic provided in the utility model embodiment；
Fig. 4 is the insulation resistance emulation board principle schematic provided in the utility model embodiment；
Fig. 5 is that the insulation resistance emulation board insulation resistance provided in the utility model embodiment accesses principle schematic；
Fig. 6 is the battery cell direct fault location module principle schematic diagram that the utility model embodiment provides；
Fig. 7 is the sensor fault injection module principle schematic that the utility model embodiment provides；
Fig. 8 is the power module principle schematic that the utility model embodiment provides；
Fig. 9 is the battery cell emulation board case radiation design principle schematic diagram that the utility model embodiment provides；
Figure 10 is the new energy resource power battery simulator chassis design principle schematic that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Attached drawing 1 is referred to, Fig. 1 is a kind of new energy resource power battery simulator structure that the utility model embodiment provides
Schematic diagram.As shown in Figure 1, the utility model embodiment discloses a kind of new energy resource power battery simulator, specific new energy
Driving source battery simulation fills 1 and is connected by the controller harness of battery management system BMS with tested BMS3, for being tested BMS controls
The access of device processed is connected by communication interface with host computer 2, emulates the output of signal by the control software control of host computer 2, newly
Energy source and power battery emulation apparatus 1 includes：Battery cell emulation board 11, battery temperature emulation board 12, insulation resistance emulation board
13rd, battery failures injection module 14, sensor fault injection module 15 and power module 16, wherein：
Battery cell emulation board 11 is connected with battery failures injection module 14, and battery temperature emulation board 12 and insulation resistance are imitated
True plate 13 is connected respectively with sensor fault injection module 15, power module 16 respectively with battery cell emulation board 11, battery temperature
Degree emulation board 12 is connected with insulation resistance emulation board 13, and battery failures injection module 14 is connected by serial ports cable with host computer 2；
As shown in Figure 1, serial ports cable can be, but not limited to realize the connection of battery failures injection module 14 and host computer 2 using RS485；
Battery cell emulation board 11 is used for the simulation of the voltage and charging and discharging currents of the single battery under high voltage condition；Battery failures are noted
Enter module 14 for simulating the electric fault of tested BMS3 acquisitions monitoring circuit；Battery temperature emulation board 12 is used for according to upper
The resistance value signal intensity of the setting dynamic analog battery temperature sensor of the control software of machine 2 realizes the temperature acquisition of tested BMS3
Test of supervisor；Insulation resistance emulation board 13 is electric for emulating each node insulation against ground of battery pack in the test of tested BMS3
Resistance realizes multinode access function by program controlled switch；Sensor fault injection module 15 is used to carry out electricity to sensor signal
Gas direct fault location realizes the test of the fault diagnosis to being tested BMS controllers；Power module 16 is imitated for respectively battery cell
True plate 11, battery temperature emulation board 12 and insulation resistance emulation board 13 are powered.
A kind of new energy resource power battery simulator, major function include disclosed in the present embodiment：It emulates high-precision
The voltage signal of single battery is, it can be achieved that the voltage analog of high-tension battery group；Built-in electronic loads, and possesses high-precision current and adopt
Collect function, it can be achieved that the active of BMS and passive balanced test；The simulation of battery pack temperature sensor signal is provided；High pressure is provided
The insulation resistance emulation of system；Battery cell direct fault location function is provided, including：Output short-circuit, output open circuit are cascaded
Interchannel open circuit, sampling line open circuit, to low-voltage circuit short circuit etc..
Specifically, referring to attached drawing 2, Fig. 2 is the battery cell emulation board principle signal provided in the utility model embodiment
Figure.As shown in Fig. 2, battery cell emulation board 11 includes the first fpga chip 110,111 and of battery cell emulation board power circuit
At least one battery cell channel circuit 112, battery cell channel circuit 112 include monomer voltage acquisition module U1, monomer electricity
Acquisition module U2, monomer voltage analog module U3 and monomer electronic load module U4 are flowed, wherein：Battery cell emulation board 11 is logical
It crosses LVDS communication links to be connected with the PCIe/CPCIe communication cards of host computer 2, the first fpga chip 110 is adopted respectively with monomer voltage
Collection module U1, monomer current acquisition module U2, monomer voltage analog module U3 and monomer electronic load module U4 are connected.
First fpga chip 110 is used for data communication and logic control；Monomer voltage analog module U3 is used for setting output
Voltage, monomer electronic load module U4 are used for setting the electric current of electronic load absorption, and monomer voltage acquisition module U1 is then used for adopting
Collect output voltage, monomer current acquisition module U2 is used for the electric current among acquisition circuit.
It is the nucleus module of battery simulation device, for the list under high voltage condition for battery cell emulation board
The simulation of the voltage and charging and discharging currents of batteries, the major function of realization include：Realize the voltage and electric current to actual battery
Emulation；Simulated high-pressure battery pack；Meet BMS to the overload of single battery, the testing requirements such as overcharge；Meet main passive balanced test
Demand.
The schematic diagram of battery cell emulation board is as shown in Fig. 2, each board provides 4 identical passages, Mei Getong
Road can simulate a batteries, and each passage includes monomer voltage analog module, monomer electronic load module, monomer voltage and adopts
Collect module and each 1 of monomer current acquisition module, wherein, monomer voltage analog module is used for setting output voltage；Monomer electronics
Load blocks are used for setting the electric current of electronic load absorption；And monomer voltage acquisition module is then used for gathering output voltage；Monomer
Current acquisition module is used for the electric current among acquisition circuit.The output voltage range of the monomer voltage simulation of each passage for 0~
5V, the output current scope of monomer voltage simulation is -2A~+3A.Under normal temperature range, each passage has ± 1mV's
Voltage output precision, current acquisition precision ± 2mA.Each passage has over-voltage protecting function, possesses line voltage-drop compensation function.
Multiple passages allow to connect, and at most allow to be connected in series to 1500V.
Battery cell emulation board is powered using 5V and 24V, is controlled by integrated monomer emulation board.Every piece of monomer emulation
Plate at most integrates 10 pieces of single battery emulation boards, and monomer emulation board and single battery emulation board are integrated in the dedicated battery simulations of 5U
In trigger case.
Specifically, referring to attached drawing 3, Fig. 3 is the battery temperature emulation board principle signal provided in the utility model embodiment
Figure.As shown in figure 3, battery temperature emulation board 12 includes：Second fpga chip 121, battery temperature emulation board power circuit 122,
First resistor current detection circuit 123, resistance network circuit 126, optocoupler array circuit 124 and optocoupler driving circuit 125,
In：Battery temperature emulation board 12 is connected by LVDS communication links with the PCIe/CPCIe communication cards of host computer 2, the 2nd FPGA
Chip 121 is connected respectively with first resistor current detection circuit 123 and optocoupler driving circuit 124, resistance network circuit 126 and
One resistor current detection circuit 123 be connected, optocoupler array circuit 125 respectively with optocoupler driving circuit 124 and resistance network circuit
126 are connected.
Second fpga chip 121 is receiving resistance number for functions such as data communication, relay control and logic controls
According to rear, resistance data is handled accordingly, high level is exported or 126 repeat circuit of low level control resistance network circuit is opened
Off status realizes that resistance is switched in or out in resistance network circuit 126；First resistor current detection circuit 123 monitors in real time
Electric current in 126 passage of resistance network circuit, when electric current is more than the first preset limit value, the control of the second fpga chip 121 is patrolled
Resistance via will be cut off by collecting circuit, realize the power defencive function of resistance network circuit 126.
The emulation of 10 passage precision resisters can be provided for battery temperature emulation board, three kinds of resistance ranges of support are imitated
Very：(1) 20ohm~500kohm, 1 ohm of stepping；(2) 20ohm~2Mohm, 4 ohm of stepping；(3) 20ohm~8Mohm, step
Into 16 ohm.Per passage using 19 bit resolution control interfaces, operating voltage range ± 40V, resistance precision is 1% and 1 ohm
The maximum of the two.
Specifically, referring to attached drawing 4, Fig. 4 is the insulation resistance emulation board principle signal provided in the utility model embodiment
Figure.As shown in figure 4, insulation resistance emulation board 13 includes：3rd fpga chip 131, insulation resistance emulation board power circuit 132,
Second resistance current detection circuit 133, insulation resistance lattice network 136, high-voltage relay array circuit 135 and relay drive
Dynamic circuit 134, wherein：Insulation resistance emulation board 13 is connected by the PCIe/CPCIe communication cards of LVDS communication links and host computer 2
It connects, the 3rd fpga chip 131 is connected respectively with second resistance current detection circuit 133 and relay drive circuit 134, insulation
Resistance network circuit 136 is connected with second resistance current detection circuit 133, high-voltage relay array circuit 135 respectively with relay
Device driving circuit 134 is connected with insulation resistance lattice network 136.
3rd fpga chip 131 is receiving resistance number for functions such as data communication, relay control and logic controls
According to rear, resistance data is handled accordingly, exports high level or low level control insulation resistance lattice network repeat circuit
On off state realizes that resistance is switched in or out in insulation resistance lattice network；Second resistance current detection circuit 133 is supervised in real time
The electric current in 136 passage of insulation resistance lattice network is surveyed, when electric current is more than the second preset limit value, the 3rd fpga chip 131
Control logic circuit will cut off resistance via, realize the power defencive function of insulation resistance lattice network 136.
Insulation resistance emulation board realizes multinode access function by program controlled switch, and wherein insulation resistance R1 draws 11 tunnels and opens
It closes, some node that the road insulation resistance is linked into battery pack can be gated by software set, principle is as shown in Figure 5.In BMS
In test, for 1 passage of board for battery pack negative terminal insulation against ground resistance, 2 passages are used for battery group node insulation against ground resistance,
Insulation resistance access node handoff functionality is completed by high-voltage relay.Insulation resistance scope be 120 Ω~50M Ω, resolution value
100 Ω, precision 1%, 1ms is interior to complete insulating resistance value update operation.Resistance via both ends maximum can add 1200V voltages, passage
Protective current is 10mA.
Specifically, referring to attached drawing 6, Fig. 6 is that the battery cell direct fault location module that the utility model embodiment provides is former
Manage schematic diagram.Battery cell direct fault location module includes：One piece of battery failures injection control panel and several pieces of battery failures injections
Plate forms, wherein：Battery failures injection control panel is used to implement to low-tension supply and low-tension supply ground short circuit failure；Battery failures
Injection plate is used for the relevant direct fault location of battery cell.Each board can connect 8 monomer voltage phantom channels, logical 8
Road is cascaded.Direct fault location module is connected by RS485 with host computer, can carry out remote control by upper computer software.
Battery cell direct fault location module is used to simulate the electric fault of BMS acquisition monitoring circuits, the failure that can be simulated
Type includes：(1) line open circuit is sampled；(2) line short circuit is sampled；(3) line polarity upset is sampled；(4) battery series connection open circuit；
(5) to low-tension supply short circuit；(6) to the failure of low-tension supply ground short circuit.For the fault type such as Fig. 6 institutes that can be simulated
Show.
Specifically, referring to attached drawing 7, Fig. 7 is the sensor fault injection module principle that the utility model embodiment provides
Schematic diagram.Sensor fault injection module is used to carry out electric fault injection, the fault type bag of realization for sensor signal
It includes to power supply short circuit, shorted to earth, to the short circuit of other pins, open circuit etc., realizes the survey in terms of the fault diagnosis to BMS controllers
Examination, sensor fault injection module principle is as shown in Fig. 7.Mould self- recoverage insurance in the block is program-controlled by onboard MCU progress, can lead to
It crosses RS232 control unit interfaces and receives control instruction realization open circuit, to failures such as power supply short circuit and shorted to earths, it is short to other pins
It is realized by common port and is connected with the signal of other pins in road.
Specifically, referring to attached drawing 8, Fig. 8 is the power module principle schematic that the utility model embodiment provides.Power supply
For being powered to new energy resource power battery simulator, module is inputted module using 220VAC, realizes battery simulation respectively
The power supply of plate, battery temperature emulation board and fan system, three power modules work independently, between avoiding system power-supply fluctuation cause
It influences each other.The integrated of power module is designed using upper frame type, and three power modules are integrated with that in 1U cabinets, can be directly mounted at
In the 19 inch standard cabinets of this equipment.
Preferably, the new energy resource power battery simulator, further includes：For integrating the electricity of the battery cell emulation board
Pond monomer emulation board cabinet, battery cell emulation board cabinet are provided with cooling system, and the cooling system is provided with program-controlled fan.
Battery cell emulation board cabinet is used for integrated battery monomer emulation board, and single chassis maximum can integrate 10 pieces of monomer emulation boards, by
Certain heat can be generated, it is necessary to ensure system by heat dissipation design when battery cell emulation board carries out battery charging and discharging emulation
The reliability to work long hours.Outlet air designs after battery cell emulation board cabinet uses advancing air, and principle schematic is as shown in Figure 9
Outlet air designs after the cooling system of battery cell emulation board cabinet uses advancing air, and the battery cell emulation board cabinet height is
5U, intermediate 3U for installing the battery cell emulation board, below 1U be arranged to the air supplying layer of cool breeze, above 1U be arranged to heat
The air outlet layer of wind, the air outlet layer carry out the control of specific heat load by the program-controlled fan, and the battery cell emulation board is matched somebody with somebody
Temperature sensor is equipped with, for the automatic adjustment of design temperature, the journey that hot wind passes through the battery cell emulation board cabinet
Control fan discharge.
Preferably, new energy resource power battery simulator further includes：New energy resource power battery simulator cabinet, is used for
Battery cell emulation board, battery temperature emulation board, insulation resistance emulation board, the battery of integrated new energy resource power battery simulator
Direct fault location module, sensor fault injection module and power module.Specifically, new energy resource power battery simulator cabinet
For 9U, signal of communication conditioning case, the battery cell board cabinet and power supply box are sequentially arranged from top to bottom, wherein：Communication
Signal process box integrates new energy resource power battery simulator for installing battery temperature emulation board and insulation resistance emulation board
External interface；Battery cell board cabinet is used to install battery cell board；Power supply box be used for for signal of communication nurse one's health case and
Battery cell board cabinet provides 24V and 5V power supplys.It may refer to for the layout of cabinet shown in attached drawing 10, external interface can
Using 90 pin rectangular receptacles of ODU, the connection with tested BMS equipment is realized.
The operation principle of the utility model：
New energy resource power battery simulator provided herein carries out signal company by BMS harness and tested BMS
It connects, is attached with host computer by LVDS cables, realizes the controlling test of test process.According to BMS testing requirements, single electricity
Pond simulator cabinet can configure the battery simulation passage of 4~40 passages, and the emulation signal that single battery emulation board provides passes through string
Connection composition battery is connected to BMS, realizes the dynamic analog of battery signal.
In addition, the battery temperature emulation board and insulation resistance emulation board of system configuration can also be in the controls of host computer
It is lower, it can be achieved that the emulation of battery temperature signal and insulation resistance signal, can be controlled with the temperature equalization of test b MS and Insulation monitoring
Etc. functions.By configuring corresponding battery failures injection module, the survey of BMS sensor fault diagnosis correlation functions can also be realized
Examination.
When the BMS phantom channels of needs are more, the pattern of more battery simulation device cabinet associated working can be used, it is at most real
The now battery cell signal imitation of up to 300 passages.
Single battery signal simulation, temperature letter needed for new energy resource power battery simulator completely integrated BMS tests
Number emulation and insulating signal emulation etc. functions, can flexibly realize high-tension battery group voltage analog, battery pack temperature sensor letter
Number simulation, the insulation resistance emulation of high-pressure system, while built-in electronic load and high-precision current acquisition function can be passed through, it is real
The active of existing BMS and passive balanced test.Rely on battery cell direct fault location module, it can be achieved that including：Output short-circuit, output are opened
Road, the interchannel being cascaded open circuit, sampling line are opened a way, to the battery cells electric fault such as low-voltage circuit short circuit, realize BMS
Fault diagnosis test.System can meet a variety of BMS tests of following application scenario.
(1) hardware testing of BMS：To provide the simulation of monomer voltage and electric current during BMS hardware testings, adopting for BMS is verified
The properties of collection monitoring interface；
(2) BMS debugging embedded softwares：To provide the charging, electric discharge and master of battery cell during BMS embedded software tests
The operating modes such as the simulation of dynamic equilibrium etc., nominal situation, limiting condition, the fault condition of simulated battery monomer, verify embedded software
Various functions；
(3) BMS experiments excitation etc.：It is carried for the various checking tests of BMS controllers, such as thermocycling, durability test
For the simulation of power battery so that BMS can complete corresponding verification experimental verification under the operating mode drafted.
In addition, being designed by the compact Integrated design and heat dissipation ventilation of equipment, the volume of equipment, drop are greatly reduced
The fussy degree that low equipment uses, and ensure that the good reliability of equipment.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion so that article or equipment including a series of elements not only include those elements, but also is wrapped
It includes other elements that are not explicitly listed or further includes as this article or the intrinsic element of equipment.Do not having more
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element or
Also there are other identical elements in person's equipment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of new energy resource power battery simulator, which is characterized in that the new energy resource power battery simulator passes through electricity
The controller harness of pond management system BMS is connected with tested BMS, for being tested the access of BMS controllers, by communication interface and
Host computer is connected, by the output of the control software control emulation signal of the host computer, the new energy resource power battery emulation dress
Put including：Battery cell emulation board, battery temperature emulation board, insulation resistance emulation board, battery failures injection module, sensor event
Hinder injection module and power module, wherein：
The battery cell emulation board is connected with the battery failures injection module, the battery temperature emulation board and the insulation
Resistance emulation board is connected respectively with the sensor fault injection module, and the power module emulates respectively with the battery cell
Plate, the battery temperature emulation board are connected with the insulation resistance emulation board, and the battery failures injection module passes through Serial Port Line
Cable is connected with the host computer；
The battery cell emulation board is used for the simulation of the voltage and charging and discharging currents of the single battery under high voltage condition；
The battery failures injection module is used to simulate the electric fault of the tested BMS acquisitions monitoring circuit；
The battery temperature emulation board is used to be sensed according to the setting dynamic analog battery temperature of the control software of the host computer
The resistance value signal intensity of device realizes the temperature acquisition test of supervisor of the tested BMS；
The insulation resistance emulation board leads to for emulating each node insulation against ground resistance of battery pack in the test of the tested BMS
It crosses program controlled switch and realizes multinode access function；
The sensor fault injection module is used to carry out electric fault injection to sensor signal, realizes to the tested BMS
The test of the fault diagnosis of controller；
The power module is for respectively the battery cell emulation board, the battery temperature emulation board and the insulation resistance
Emulation board is powered.
2. new energy resource power battery simulator according to claim 1, which is characterized in that the battery cell emulation board
Including the first fpga chip, battery cell emulation board power circuit and at least one battery cell channel circuit, the battery list
Body channel circuit includes monomer voltage analog module, monomer electronic load, monomer voltage acquisition and monomer current acquisition module,
Wherein：
The battery cell emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer, described
First fpga chip is used for data communication and logic control；
The monomer voltage analog module is used for setting output voltage, and the monomer electronic load is used for setting electronic load absorption
Electric current, the monomer voltage acquisition module is then used for gathering output voltage, and the monomer current acquisition module is used for gathering back
Electric current among road.
3. new energy resource power battery simulator according to claim 1, which is characterized in that the battery temperature emulation board
Including：Second fpga chip, battery temperature emulation board power circuit, first resistor current detection circuit, resistance network circuit, light
Coupling array circuit and optocoupler driving circuit, wherein：
The battery temperature emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer, described
Second fpga chip is connected respectively with the first resistor current detection circuit and the optocoupler driving circuit, the resistor network
Circuit is connected with the first resistor current detection circuit, the optocoupler array circuit respectively with the optocoupler driving circuit and institute
Resistance network circuit is stated to be connected；
Second fpga chip is for data communication, relay controls and logic control function, after resistance data is received,
The resistance data is handled accordingly, resistance network circuit repeat circuit described in output high level or low level control is opened
Off status realizes being switched in or out for resistance in the resistance network circuit；
The first resistor current detection circuit monitors the electric current in the resistance network circuit passage in real time, when the electric current surpasses
When crossing the first preset limit value, the second fpga chip control logic circuit will cut off resistance via, realize the resistance net
The power defencive function of network circuit.
4. new energy resource power battery simulator according to claim 1, which is characterized in that the insulation resistance emulation board
Including：3rd fpga chip, insulation resistance emulation board power circuit, second resistance current detection circuit, insulation resistance network electricity
Road, high-voltage relay array circuit and relay drive circuit, wherein：
The insulation resistance emulation board is connected by LVDS communication links with the PCIe/CPCIe communication cards of the host computer, described
3rd fpga chip is connected respectively with the second resistance current detection circuit and the relay drive circuit, the insulated electro
Resistance lattice network be connected with the second resistance current detection circuit, the high-voltage relay array circuit respectively with the relay
Device driving circuit is connected with the insulation resistance lattice network；
3rd fpga chip is for data communication, relay controls and logic control function, after resistance data is received,
The resistance data is handled accordingly, exports relay in insulation resistance lattice network described in high level or low level control
Device on off state realizes being switched in or out for resistance in the insulation resistance lattice network；
The second resistance current detection circuit monitors the electric current in the insulation resistance network channel in real time, when the electric current surpasses
When crossing the second preset limit value, the 3rd fpga chip control logic circuit will cut off resistance via, realize the insulated electro
Hinder the power defencive function of lattice network.
5. new energy resource power battery simulator according to claim 1, which is characterized in that the battery cell failure note
Entering module includes：One piece of battery failures injection control panel and several pieces of battery failures injection plate compositions, wherein：
The battery failures injection control panel is used to implement to low-tension supply and low-tension supply ground short circuit failure；The battery failures
Injection plate is used for the relevant direct fault location of battery cell.
6. new energy resource power battery simulator according to claim 1, which is characterized in that further include：For integrating
State the battery cell emulation board cabinet of battery cell emulation board.
7. new energy resource power battery simulator according to claim 6, which is characterized in that the battery cell emulation board
Cabinet is provided with cooling system, and the cooling system is provided with program-controlled fan.
8. new energy resource power battery simulator according to claim 7, which is characterized in that the battery cell emulation board
Cabinet height is 5U, intermediate 3U for installing the battery cell emulation board, below 1U be arranged to the air supplying layer of cool breeze, above
1U is arranged to the air outlet layer of hot wind, and the air outlet layer carries out the control of specific heat load, the battery list by the program-controlled fan
Body emulation board is configured with temperature sensor, and for the automatic adjustment of design temperature, hot wind emulates trigger by the battery cell
The program-controlled fan discharge of case.
9. new energy resource power battery simulator according to claim 1, which is characterized in that further include：The new energy
Power battery simulator cabinet, for integrate the battery cell emulation board of the new energy resource power battery simulator,
The battery temperature emulation board, the insulation resistance emulation board, the battery failures injection module, sensor fault injection
Module and the power module.
10. new energy resource power battery simulator according to claim 9, which is characterized in that the new energy power electric
Pond simulator cabinet is 9U, is sequentially arranged signal of communication conditioning case, the battery cell board cabinet and electricity from top to bottom
Source case, wherein：
The signal of communication conditioning case integrates institute for installing the battery temperature emulation board and the insulation resistance emulation board
State the external interface of new energy resource power battery simulator；
The battery cell board cabinet is used to install the battery cell board；
The power supply box is used to nurse one's health case for the signal of communication and the battery cell board cabinet provides power supply.
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| CN201721081020.1U CN207409616U (en) | 2017-08-25 | 2017-08-25 | A kind of new energy resource power battery simulator |
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| CN201721081020.1U CN207409616U (en) | 2017-08-25 | 2017-08-25 | A kind of new energy resource power battery simulator |
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| CN109188295A (en) * | 2018-09-06 | 2019-01-11 | 广州锦红源电子科技有限公司 | Battery cell failure simulator |
| CN109490592A (en) * | 2018-12-27 | 2019-03-19 | 西安盛博飞电子科技有限公司 | A kind of high precision electro pool model |
| CN109508497A (en) * | 2018-11-13 | 2019-03-22 | 北京普莱德新能源电池科技有限公司 | The passive ability of equalization detection method of BMS |
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| CN109742822A (en) * | 2019-01-24 | 2019-05-10 | 无锡至极动能科技有限公司 | A kind of development approach of battery management system charge and discharge control strategy |
| CN111273099A (en) * | 2020-01-21 | 2020-06-12 | 华霆（合肥）动力技术有限公司 | BMS system test system |
| CN111755760A (en) * | 2019-03-28 | 2020-10-09 | 浙江吉智新能源汽车科技有限公司 | Battery pack verification device |
| CN112234276A (en) * | 2020-03-27 | 2021-01-15 | 蜂巢能源科技有限公司 | Battery cell thermal runaway simulation circuit and method |
| CN112858976A (en) * | 2019-11-27 | 2021-05-28 | 大众汽车股份公司 | Method for detecting a thermal event of an electrical energy store in a vehicle |
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| CN113219340A (en) * | 2021-02-26 | 2021-08-06 | 中国第一汽车股份有限公司 | Method, device, equipment and storage medium for testing battery equalization function |
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| CN109508497A (en) * | 2018-11-13 | 2019-03-22 | 北京普莱德新能源电池科技有限公司 | The passive ability of equalization detection method of BMS |
| CN109490592A (en) * | 2018-12-27 | 2019-03-19 | 西安盛博飞电子科技有限公司 | A kind of high precision electro pool model |
| CN109490592B (en) * | 2018-12-27 | 2021-08-24 | 西安盛博飞电子科技有限公司 | High-precision battery model |
| CN109742822A (en) * | 2019-01-24 | 2019-05-10 | 无锡至极动能科技有限公司 | A kind of development approach of battery management system charge and discharge control strategy |
| CN109686167A (en) * | 2019-03-01 | 2019-04-26 | 北京公共交通控股（集团）有限公司 | Vehicle teaching training apparatus |
| CN111755760A (en) * | 2019-03-28 | 2020-10-09 | 浙江吉智新能源汽车科技有限公司 | Battery pack verification device |
| CN112858976A (en) * | 2019-11-27 | 2021-05-28 | 大众汽车股份公司 | Method for detecting a thermal event of an electrical energy store in a vehicle |
| CN111273099A (en) * | 2020-01-21 | 2020-06-12 | 华霆（合肥）动力技术有限公司 | BMS system test system |
| CN112234276A (en) * | 2020-03-27 | 2021-01-15 | 蜂巢能源科技有限公司 | Battery cell thermal runaway simulation circuit and method |
| CN112234276B (en) * | 2020-03-27 | 2022-01-28 | 蜂巢能源科技有限公司 | Battery cell thermal runaway simulation circuit and method |
| US11474160B2 (en) | 2020-08-18 | 2022-10-18 | Rohde & Schwarz Gmbh & Co. Kg | Battery emulation apparatus |
| CN112945276A (en) * | 2021-02-06 | 2021-06-11 | 南京工业职业技术大学 | Automatic power supply environment and functional performance testing device for subway vehicle electronic odometer |
| CN113219340A (en) * | 2021-02-26 | 2021-08-06 | 中国第一汽车股份有限公司 | Method, device, equipment and storage medium for testing battery equalization function |
| CN114137346A (en) * | 2021-11-26 | 2022-03-04 | 国网湖南省电力有限公司 | Energy storage power station battery management system testing arrangement based on digifax simulation platform |
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
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