CN109406900A - Failure simulation device based on battery simulator - Google Patents
Failure simulation device based on battery simulator Download PDFInfo
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- CN109406900A CN109406900A CN201811360221.4A CN201811360221A CN109406900A CN 109406900 A CN109406900 A CN 109406900A CN 201811360221 A CN201811360221 A CN 201811360221A CN 109406900 A CN109406900 A CN 109406900A
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- 238000004088 simulation Methods 0.000 title claims abstract description 52
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- 238000004891 communication Methods 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
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- 230000007257 malfunction Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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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
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Abstract
The invention discloses a kind of failure simulation devices based on battery simulator, it includes master controller, fault simulator input terminal, circuit opening relay device group, wherein, circuit opening relay device group is respectively used to realize the first simulated battery cathode B1- under the control of master controller, first simulated battery far-end feedback negative terminal V1-, first simulated battery anode B1+ connects rear port with the second simulated battery cathode B2-, first simulated battery far-end feedback anode V1+ connects rear port with the second simulated battery far-end feedback negative terminal V2-, second simulated battery far-end feedback anode V2+, on-off control between second simulated battery anode B2+ and fault simulator input terminal corresponding ports.The device has the function of the fault conditions such as function and software control simulated battery open circuit, the short circuit of the series connection switching of more piece simulated battery, and more fault simulators can connect and realize the serial operation of any number of simulated battery.
Description
Technical field
The present invention relates to battery simulator technical fields, fill in particular to a kind of fault simulation based on battery simulator
It sets.
Background technique
Battery simulator is a kind of equipment of simulated battery management system monitoring object (actual battery group).Battery simulator
When testing battery management system product, a certain section or multiple batteries open circuit, short circuit occur when needing to simulate multiple batteries series connection
Situations such as；Open-circuit fault state need to be by artificially disconnecting the output line of simulated battery, and short-circuit condition needs artificially by simulated battery
The short circuit of output line positive and negative anodes, however this traditional artificial mode of connection, low efficiency, easy wrong burn out equipment and abnormally dangerous,
When concatenated battery is more, when voltage is very high, wrong can not only burn out equipment, or even threaten personal safety.
Summary of the invention
Present invention aim to provide a kind of failure simulation device based on battery simulator, which has more piece
The function of the fault conditions such as the function of simulated battery series connection switching and software control simulated battery open circuit, short circuit, and more events
Barrier simulator, which can connect, realizes the serial operation of any number of simulated battery.
In order to achieve this, a kind of failure simulation device based on battery simulator, feature designed by the present invention exist
In: it includes master controller, fault simulator input terminal, circuit opening relay device group, wherein circuit opening relay device group is respectively used to
The first simulated battery cathode B1-, the first simulated battery far-end feedback negative terminal V1-, the first simulation are realized under the control of master controller
Anode B1+ connects rear port, the first simulated battery far-end feedback anode V1+ and second with the second simulated battery cathode B2-
Simulated battery far-end feedback negative terminal V2- is connecting rear port, the second simulated battery far-end feedback anode V2+, the second simulated battery just
On-off control between pole B2+ and fault simulator input terminal corresponding ports.
It further includes short-circuit relay group, and short-circuit relay group is used to realize the first simulation electricity under the control of master controller
Between pond anode B1+ and the first simulated battery cathode B1-, the first simulated battery far-end feedback anode V1+ and the first simulated battery
Between far-end feedback negative terminal V1-, between the second simulated battery anode B2+ and the second simulated battery cathode B2-, the second simulated battery
Fault control between far-end feedback anode V2+ and the second simulated battery far-end feedback negative terminal V2-.
It further includes far-end feedback control relay group, and far-end feedback controls relay group for the control in master controller
Between lower realization the first simulated battery far-end feedback negative terminal V1- and the first simulated battery cathode B1-, the first simulated battery anode B1
+ and the second simulated battery cathode B2- series connection rear port it is remote with the first simulated battery far-end feedback anode V1+ and the second simulated battery
Between the feedback negative terminal V2- series connection rear port of end and the second simulated battery far-end feedback anode V2+ and the second simulated battery are positive
On-off control between B2+.
The second simulated battery anode B2+ and the second simulated battery far-end feedback anode V2+ are respectively connected to fault simulation
The simulation anode expansion interface B and simulation far-end feedback anode expansion interface V of device input terminal.
A kind of failure simulation method based on battery simulator, it includes the following steps:
Step 1: the battery simulator fault simulation control program starting of computer, the main control of computer and failure simulation device
Device establishes connection；
Step 2: computer read main controller controls signal output end status signal, thus obtain circuit opening relay device group,
The switch state of short-circuit relay group and far-end feedback control relay group；
Step 3: by the state of a control mark and main controller controls of battery simulator fault simulation control program in computer
The state of signal output end is consistent；
Step 4: the battery simulator fault simulation control program of computer issues circuit opening relay to master controller according to demand
Control instruction and circuit opening relay device group, the short-circuit relay of device group or short-circuit relay group or far-end feedback control relay group
The combination control instruction of device group and far-end feedback control relay group；
Step 5: after master controller receives control instruction, issuing corresponding relay control instruction, make circuit opening relay device
Group, short-circuit relay group and far-end feedback control relay group execute corresponding switch motion.
Beneficial effects of the present invention:
The present invention is controlled by design by the circuit opening relay device group, short-circuit relay group and far-end feedback of main controller controls
Relay group realizes the simulation of the various failures of simulated battery, and fault simulation process is simple and fast, and it is direct to avoid operator
Battery output cord is contacted, there is good safety and reliability, and more fault simulators can be connected by expansion interface
Realize the series fault simulated operation of any number of simulated battery.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is circuit block diagram of the present invention；
Fig. 3 is the structure chart of relay driving in the present invention；
Fig. 4 is far-end feedback schematic diagram of the present invention.
Fig. 5 is flow chart of the invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of failure simulation device based on battery simulator designed by the present invention, as depicted in figs. 1 and 2, it includes
Master controller, fault simulator input terminal, circuit opening relay device group, wherein circuit opening relay device group is respectively used in master controller
Control under realize the first simulated battery cathode B1-, the first simulated battery far-end feedback negative terminal V1-, the first simulated battery anode
B1+ connects rear port, the first simulated battery far-end feedback anode V1+ and the second simulated battery with the second simulated battery cathode B2-
Far-end feedback negative terminal V2- series connection rear port, the second simulated battery far-end feedback anode V2+, the second simulated battery anode B2+ and event
Hinder the on-off control between simulator input terminal corresponding ports.Above-mentioned first simulated battery anode B1+, the first simulated battery are negative
Pole B1-, the first simulated battery far-end feedback anode V1+ and the first simulated battery far-end feedback negative terminal V1- are by battery simulator
The corresponding input terminal BA1 of first virtual battery BT1 is introduced；Above-mentioned second simulated battery anode B2+, the second simulated battery are negative
Pole B2-, the second simulated battery far-end feedback negative terminal V2- and the second simulated battery far-end feedback anode V2+ are by battery simulator
The corresponding input terminal BA2 of second virtual battery BT2 is introduced.
The invention also includes power conversion module and communication module, communication module is used to the signal of computer importing active mould
Block, power conversion module to communication module, main control module, relay driving module for providing respectively required work electricity respectively
Source (power supply of fault simulator be input from the outside and pass through power conversion module univoltage is converted into it is each needed for modules
A different voltages).
In the present embodiment, the model grace intelligence Pu model of master controller selection: MK70FN1M0VMJ15 (former Freescale).
In above-mentioned technical proposal, it further includes short-circuit relay group, and short-circuit relay group is used for the control in master controller
Between lower realization the first simulated battery anode B1+ and the first simulated battery cathode B1-, the first simulated battery far-end feedback anode V1
+ between the first simulated battery far-end feedback negative terminal V1-, the second simulated battery anode B2+ and the second simulated battery cathode B2- it
Between, the fault control between the second simulated battery far-end feedback anode V2+ and the second simulated battery far-end feedback negative terminal V2-.
In above-mentioned technical proposal, it further includes far-end feedback control relay group, and far-end feedback control relay group is used for
It is being realized under the control of master controller between the first simulated battery far-end feedback negative terminal V1- and the first simulated battery cathode B1-, the
One simulated battery anode B1+ and the second simulated battery cathode B2- series connection rear port and the first simulated battery far-end feedback anode V1+
And second simulated battery far-end feedback negative terminal V2- series connection rear port between and the second simulated battery far-end feedback anode V2+ with
On-off control between second simulated battery anode B2+.
In above-mentioned technical proposal, the circuit opening relay device group include circuit opening relay device C1, circuit opening relay device C2 and open circuit after
Electric appliance C3, the circuit opening relay device C1 under the control of master controller for controlling the first simulated battery cathode B1- and the first mould
Quasi- battery far-end feedback negative terminal V1- simulates the simulation of cathode B11- and first distal end with the first of fault simulator input terminal respectively
Feed back on-off while between negative terminal V11-；
Circuit opening relay device C2 under the control of master controller for controlling the simulation electricity of the first simulated battery anode B1+ and second
Cathode B2- series connection rear port in pond is connected analog port B11+ and first with the battery plus-negative plate of fault simulator input terminal
Simulated battery far-end feedback anode V1+ rear port of connecting with the second simulated battery far-end feedback negative terminal V2- is remote with fault simulator
On-off while between end feedback series connection analog port V11+；
Circuit opening relay device C3 under the control of master controller for controlling the second simulated battery far-end feedback anode V2+ and the
Two simulated battery anode B2+ simulate the simulation of far-end feedback negative terminal V21+ and second with the second of fault simulator input terminal respectively
On-off while between cathode B21+.
In above-mentioned technical proposal, the short-circuit relay group includes short-circuit relay D1 and short-circuit relay D2, wherein short
Road relay D1 under the control of master controller for carrying out the first simulated battery anode B1+ and the first simulated battery cathode B1-
Between and the first simulated battery far-end feedback anode V1+ and the first simulated battery far-end feedback negative terminal V1- between while it is short
Road control；
Short-circuit relay D2 under the control of master controller for carrying out the simulation electricity of the second simulated battery anode B2+ and second
Between the cathode B2- of pond and the second simulated battery far-end feedback anode V2+ and the second simulated battery far-end feedback negative terminal V2- it
Between while fault control.
In above-mentioned technical proposal, the far-end feedback control relay group includes far-end feedback control relay E1, distal end
Feedback control relay E2 and far-end feedback control relay E3, wherein far-end feedback controls relay E1 and is used in main control
The on-off control between the first simulated battery far-end feedback negative terminal V1- and the first simulated battery cathode B1- is realized under the control of device；
Far-end feedback control relay E2 under the control of master controller for realizing the first simulated battery anode B1+ and the
Two simulated battery cathode B2- series connection rear port and the first simulated battery far-end feedback anode V1+ and the second simulated battery distal end are anti-
Present the on-off control between negative terminal V2- series connection rear port；
Far-end feedback control relay E3 under the control of master controller for realizing the second simulated battery far-end feedback just
Hold the on-off control between V2+ and the second simulated battery anode B2+.
In above-mentioned technical proposal, it further includes relay driver M1, the circuit opening relay device C1, circuit opening relay device C2 and
The contact of circuit opening relay device C3 is double-pole single-throw (D.P.S.T.) contact (normally opened contact), and master controller is right respectively by relay driver M1
The coil of circuit opening relay device C1, circuit opening relay device C2 and circuit opening relay device C3 carry out on-off control, to realize open-circuit relay
The control of the on-off of device C1, circuit opening relay device C2 and the corresponding double-pole single-throw (D.P.S.T.) contact circuit opening relay device C3.
In above-mentioned technical proposal, it further includes relay driver M2, the short-circuit relay D1 and short-circuit relay D2
Contact be double-pole single-throw (D.P.S.T.) contact (normally opened contact), master controller is by relay driver M2 respectively to short-circuit relay D1
On-off control is carried out with the coil of short-circuit relay D2, to realize the double-pole list to short-circuit relay D1 and short-circuit relay D2
Throw the on-off control of contact.
In above-mentioned technical proposal, it further includes relay driver M3, and far-end feedback controls relay E1, far-end feedback control
The contact of relay E2 and far-end feedback control relay E3 processed is single-pole single-throw(SPST contact (normally opened contact), and master controller passes through
Relay driver M3 respectively to far-end feedback control relay E1, far-end feedback control relay E2 and far-end feedback control after
The coil of electric appliance E3 carries out on-off control, controls relay E2 to far-end feedback control relay E1, far-end feedback to realize
With the on-off control of the single-pole single-throw(SPST contact of far-end feedback control relay E3.
Above-mentioned all relays all can single movement or multiple relays simultaneously operation, to simulate any open circuit,
Short trouble state.
In above-mentioned technical proposal, the second simulated battery anode B2+ and the second simulated battery far-end feedback anode V2+ divide
Not Jie Ru fault simulator input terminal simulation anode expansion interface B and simulation far-end feedback anode expansion interface V.It is above-mentioned to set
The extension for realizing simulated battery is counted, the fault simulation for being applicable in more piece simulated battery is enabled the invention to.
Far-end feedback control relay E1, far-end feedback in the far-end feedback control relay group control relay E2
After being closed with far-end feedback control relay E3, as shown in figure 4, the first simulated battery far-end feedback anode V1+ and the first mould
The far-end feedback voltage signal of quasi- battery far-end feedback negative terminal V1- passes sequentially through first virtual battery BT1, the first operation amplifier
Device enters battery simulator main control unit, the second simulated battery far-end feedback anode V2+ and the second simulated battery far-end feedback
The far-end feedback voltage signal of negative terminal V2- passes sequentially through second virtual battery BT2, second operational amplifier enters battery mould
Quasi- device main control unit, battery simulator main control unit is by each far-end feedback voltage signal received and corresponding simulated battery
Target voltage signal is compared, and according to comparison result respectively to first virtual battery BT1 and second virtual battery BT2
Voltage be adjusted, make the far-end feedback voltage signal of first virtual battery BT1 and second virtual battery BT2 with it is corresponding
Simulated battery target voltage it is equal.Far-end feedback is controlling the first simulated battery far-end feedback of relay control simulated battery just
Hold the simulation of V1+ and the first simulated battery far-end feedback negative terminal V1- and the second simulated battery far-end feedback anode V2+ and second
Battery far-end feedback negative terminal V2- accesses or picks out corresponding first simulated battery anode B1+ and the first simulated battery cathode
B1-, the second simulated battery anode B2+ and the second simulated battery cathode B2 (V+ is connected to B+, and V- is connected to B-), simulated battery here
Far-end feedback is that differential signal is one group from battery simulator consumer products end back production simulated battery anode and simulated battery cathode
The reason of feedback line of voltage, access far-end feedback line is due to from battery simulator to consumer products (such as battery management system)
Intermediate longer connecting line can generate line loss pressure drop, in order to ensure the precision of simulated battery output voltage, pass through far-end feedback control
Relay processed calibrates adjustment simulated battery output from consumer product end back production voltage signal, improves output voltage precision.
Above each relay driver includes triode Q1, resistance R1 and resistance R2, as shown in figure 3, main control module
Signal output end the base stage of triode Q1 is accessed by resistance R2, the emitter of triode is grounded GND, the current collection of triode Q1
The one end of pole by the coil of the corresponding relay of resistance R1 connection, the other end connection power supply VCC of the coil, main control module output
Control signal control triode Q1 conducting to control the conducting of relay coil, and then control corresponding double-pole single-throw (D.P.S.T.) touching
The reason of on-off of point or single-pole single-throw(SPST contact, main control module does not directly control relay here is the electricity of driving needed for relay
Flow larger, when relay is more, main control module can not directly drive control relay, and pass through relay driving control module
It is safer to control relay, when relay because certain maloperations or service life expire when damaging, because there is relay drive
Dynamic control module is used as one layer of isolation circuit between relay and main control module, so main control module will not be caused to damage,
The relay of replacement damage can be used continuously.
In the present invention, main control module of the computer by communication module to fault simulator sends control command, main control module
According to the control command control relay drive circuit work received, so that it is corresponding to control corresponding actuating of relay simulation
Malfunction, circuit opening relay device simulate open-circuit fault state, the simulation of the first simulated battery anode B1+ and first (when open circuit) at this time
Battery cathode B1-, the second simulated battery anode B2+ and the second simulated battery cathode B2- are that open circuit can not be exported from fault simulation
Terminal output, short-circuit relay simulate short trouble state, the simulation of the first simulated battery anode B1+ and first (when short-circuit) at this time
Battery cathode B1-, the second simulated battery anode B2+ and the second simulated battery cathode B2- signal shorts.
A kind of failure simulation method based on battery simulator, as shown in figure 5, it includes the following steps:
Step 1: the battery simulator fault simulation control program starting of computer, computer pass through ICP/IP protocol and failure mould
The master controller of quasi- device establishes connection；
Step 2: computer reads the status signal (control I/O state) of main controller controls signal output end, opens to obtain
The switch state of road relay group, short-circuit relay group and far-end feedback control relay group；
Step 3: by the state of a control mark and main controller controls of battery simulator fault simulation control program in computer
The state of signal output end is consistent；
Step 4: the battery simulator fault simulation control program of computer issues circuit opening relay to master controller according to demand
Control instruction and circuit opening relay device group, the short-circuit relay of device group or short-circuit relay group or far-end feedback control relay group
The combination control instruction of device group and far-end feedback control relay group；
Step 5: after master controller receives control instruction, issuing corresponding relay control instruction, make circuit opening relay device
Group, short-circuit relay group and far-end feedback control relay group execute corresponding switch motion.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of failure simulation device based on battery simulator, it is characterised in that: it includes that master controller, fault simulator are defeated
Enter terminal, circuit opening relay device group, wherein circuit opening relay device group is respectively used to realize the first simulation electricity under the control of master controller
Pond cathode B1-, the first simulated battery far-end feedback negative terminal V1-, the first simulated battery anode B1+ and the second simulated battery cathode
After B2- series connection rear port, the first simulated battery far-end feedback anode V1+ connect with the second simulated battery far-end feedback negative terminal V2-
Port, the second simulated battery far-end feedback anode V2+, the second simulated battery anode B2+ are corresponding with fault simulator input terminal
On-off control between port.
2. the failure simulation device according to claim 1 based on battery simulator, it is characterised in that: it further includes short circuit
Relay group, short-circuit relay group under the control of master controller for realizing the simulation of the first simulated battery anode B1+ and first
Between battery cathode B1-, between the first simulated battery far-end feedback anode V1+ and the first simulated battery far-end feedback negative terminal V1-,
Between second simulated battery anode B2+ and the second simulated battery cathode B2-, the second simulated battery far-end feedback anode V2+ and
Fault control between two simulated battery far-end feedback negative terminal V2-.
3. the failure simulation device according to claim 1 or 2 based on battery simulator, it is characterised in that: it further includes
Far-end feedback controls relay group, and far-end feedback controls relay group and is used to realize the first simulation electricity under the control of master controller
Between pond far-end feedback negative terminal V1- and the first simulated battery cathode B1-, the first simulated battery anode B1+ and the second simulated battery
Cathode B2- series connection rear port and the first simulated battery far-end feedback anode V1+ and the second simulated battery far-end feedback negative terminal V2- go here and there
Join rear port between and the on-off control between the second simulated battery far-end feedback anode V2+ and the second simulated battery anode B2+
System.
4. the failure simulation device according to claim 1 based on battery simulator, it is characterised in that: the circuit opening relay
Device group includes circuit opening relay device C1, circuit opening relay device C2 and circuit opening relay device C3, the circuit opening relay device C1 in main control
Controlled under the control of device the first simulated battery cathode B1- and the first simulated battery far-end feedback negative terminal V1- respectively with fault simulation
On-off while between first simulation cathode B11- of device input terminal and the first simulation far-end feedback negative terminal V11-；
Circuit opening relay device C2 is negative for controlling the first simulated battery anode B1+ and the second simulated battery under the control of master controller
Pole B2- series connection rear port connect with the battery plus-negative plate of fault simulator input terminal analog port B11+ and first simulate
Battery far-end feedback anode V1+ connect with the second simulated battery far-end feedback negative terminal V2- rear port and fault simulator distal end it is anti-
On-off while between feedback series connection analog port V11+；
Circuit opening relay device C3 under the control of master controller for controlling the second simulated battery far-end feedback anode V2+ and the second mould
Quasi- anode B2+ simulates the simulation cathode of far-end feedback negative terminal V21+ and second with the second of fault simulator input terminal respectively
On-off while between B21+.
5. the failure simulation device according to claim 2 based on battery simulator, it is characterised in that: the short circuit relay
Device group includes short-circuit relay D1 and short-circuit relay D2, wherein short-circuit relay D1 be used under the control of master controller into
Between row the first simulated battery anode B1+ and the first simulated battery cathode B1- and the first simulated battery far-end feedback anode V1
+ between the first simulated battery far-end feedback negative terminal V1- while fault control；
Short-circuit relay D2 is negative for carrying out the second simulated battery anode B2+ and the second simulated battery under the control of master controller
Between the B2- of pole and between the second simulated battery far-end feedback anode V2+ and the second simulated battery far-end feedback negative terminal V2-
Fault control simultaneously.
6. the failure simulation device according to claim 3 based on battery simulator, it is characterised in that: the far-end feedback
Control relay group includes far-end feedback control relay E1, far-end feedback control relay E2 and far-end feedback control relay
E3, wherein far-end feedback control relay E1 under the control of master controller for realizing that the first simulated battery far-end feedback is negative
Hold the on-off control between V1- and the first simulated battery cathode B1-；
Far-end feedback control relay E2 under the control of master controller for realizing the first simulated battery anode B1+ and the second mould
Quasi- battery cathode B2- series connection rear port and the first simulated battery far-end feedback anode V1+ and the second simulated battery far-end feedback are negative
Hold the on-off control between V2- series connection rear port；
Far-end feedback control relay E3 under the control of master controller for realizing the second simulated battery far-end feedback anode V2+
On-off control between the second simulated battery anode B2+.
7. the failure simulation device according to claim 4 based on battery simulator, it is characterised in that: it further includes relay
The contact of device driver M1, the circuit opening relay device C1, circuit opening relay device C2 and circuit opening relay device C3 are double-pole single-throw (D.P.S.T.) contact,
Master controller distinguishes the line of open-circuit relay C1, circuit opening relay device C2 and circuit opening relay device C3 by relay driver M1
Circle carries out on-off control, to realize open-circuit relay C1, circuit opening relay device C2 and the corresponding double-pole list of circuit opening relay device C3
Throw the on-off control of contact.
8. the failure simulation device according to claim 5 based on battery simulator, it is characterised in that: it further includes relay
The contact of device driver M2, the short-circuit relay D1 and short-circuit relay D2 are double-pole single-throw (D.P.S.T.) contact, and master controller passes through
Relay driver M2 carries out on-off control to the coil of short-circuit relay D1 and short-circuit relay D2 respectively, to realize to short
The on-off of the double-pole single-throw (D.P.S.T.) contact of road relay D1 and short-circuit relay D2 controls.
9. the failure simulation device according to claim 6 based on battery simulator, it is characterised in that: it further includes relay
Device driver M3, far-end feedback control relay E1, far-end feedback control relay E2 and far-end feedback and control relay E3's
Contact is single-pole single-throw(SPST contact, and master controller controls relay E1, remote to far-end feedback respectively by relay driver M3
Feedback control relay E2 and the coil of far-end feedback control relay E3 is held to carry out on-off control, to realize to far-end feedback
Control the on-off control of the single-pole single-throw(SPST contact of relay E1, far-end feedback control relay E2 and far-end feedback control relay E3
System.
10. the failure simulation device according to claim 6 based on battery simulator, it is characterised in that: the distal end is anti-
Far-end feedback control relay E1, far-end feedback control relay E2 and far-end feedback in feedback control relay group control relay
After device E3 is closed, the distal end of the first simulated battery far-end feedback anode V1+ and the first simulated battery far-end feedback negative terminal V1- are anti-
Feedthrough voltage signal passes sequentially through first virtual battery BT1, the first operational amplifier enters battery simulator main control unit, the
The far-end feedback voltage signal of two simulated battery far-end feedback anode V2+ and the second simulated battery far-end feedback negative terminal V2- are successively
Battery simulator main control unit, battery simulator master control list are entered by second virtual battery BT2, second operational amplifier
The each far-end feedback voltage signal received is compared by member with corresponding simulated battery target voltage signal, and according to than
Relatively result is respectively adjusted the voltage of first virtual battery BT1 and second virtual battery BT2, makes first virtual electricity
The far-end feedback voltage signal of pond BT1 and second virtual battery BT2 are equal with corresponding simulated battery target voltage.
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| CN109406900B (en) | 2023-10-27 |
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