CN207964981U - A kind of power battery simulation system for adjusting power supply based on string - Google Patents
A kind of power battery simulation system for adjusting power supply based on string Download PDFInfo
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- CN207964981U CN207964981U CN201820272412.4U CN201820272412U CN207964981U CN 207964981 U CN207964981 U CN 207964981U CN 201820272412 U CN201820272412 U CN 201820272412U CN 207964981 U CN207964981 U CN 207964981U
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Abstract
The utility model discloses a kind of power battery simulation systems for adjusting power supply based on string, including alternating current input unit, the alternating current input unit to be connected with reduction voltage circuit, and the reduction voltage circuit is connected with several rectifier bridges；Each described rectifier bridge is connected with three-port variable voltage regulator by filter capacitor, the three-port variable voltage regulator is connected with digital regulation resistance, the digital regulation resistance is connected with microcontroller, it is also connected in parallel to current collection circuit and voltage collection circuit between the three-port variable voltage regulator and microcontroller, the voltage collection circuit is connected in series with short-circuit analog circuit, and the microcontroller is connected with CAN isolating chips；Each CAN isolating chip is connected with host computer by CAN cards.The beneficial effects of the utility model：The utility model is based on string and power supply is adjusted to realize, no HF switch interference, output voltage ripple is low, to a greater extent close to battery output state, ensures the accuracy of test.
Description
Technical field
The utility model is related to new-energy automobile power battery technical fields, it particularly relates to which a kind of adjusting electricity based on string
The power battery simulation system in source.
Background technology
The battery pack in new-energy automobile is made of battery cell at present, in battery management system exploitation, cell tube
Reason system needs to achieve the purpose that verify battery management system reliability by carrying out charge-discharge test repeatedly to battery pack.
In the process, battery cell will appear electric deficiency phenomenon, needs to charge repeatedly, not only extends the development cycle, can also be to battery
Monomer damages, and increases cost.Furthermore there are voltage discontinuity to lack for some other traditional battery cell analog circuit
It falls into, makes battery cell analog distortion, it is therefore desirable to design the power battery simulation system for adjusting power supply based on string.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of power batteries for adjusting power supply based on string
Simulation system can overcome the above-mentioned deficiency of the prior art.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
A kind of power battery simulation system for adjusting power supply based on string, including alternating current input unit, the alternating current input unit
It is connected with reduction voltage circuit, the reduction voltage circuit is connected with several rectifier bridges；Each described rectifier bridge is connected by filter capacitor
It is connected to three-port variable voltage regulator, the three-port variable voltage regulator is connected with digital regulation resistance, and the digital regulation resistance is connected with list
Piece machine is also connected in parallel to current collection circuit and voltage collection circuit, institute between the three-port variable voltage regulator and microcontroller
It states voltage collection circuit and is connected in series with short-circuit analog circuit, the microcontroller is connected with CAN isolating chips；Each CAN every
Off-chip piece is connected with host computer by CAN cards.
Further, the reduction voltage circuit includes transformer, and 1 pin of the transformer connects the upper of alternating current input unit
End, the lower end of the 2 pins connection alternating current input unit of the transformer.
Further, 1 pin of the 3 pins connection rectifier bridge of the transformer, 4 pins and rectifier bridge of the transformer
2 pins connection.
Further, the anode of the rectifier bridge is separately connected the upper end of filter capacitor and the 1 of three-port variable voltage regulator and draws
The cathode of foot, the rectifier bridge is separately connected the lower end of filter capacitor and 2 pins of three-port variable voltage regulator.
Further, 2 pins of the 2 pins connection digital regulation resistance of the three-port variable voltage regulator, adjustable three end
1 pin of the 3 pins connection digital regulation resistance of voltage-stablizer, 1 pin of the 3 pins connection microcontroller of the digital regulation resistance.
Further, the current collection circuit includes amplifier, and 1 pin of the amplifier is separately connected adjustable three end
The left end of 4 pins and resistance R1 of voltage-stablizer, the upper end of the right end and resistance R2 of the 2 pins connection resistance R1 of the amplifier,
2 pins of the 3 pins connection microcontroller of the amplifier.
Further, the short-circuit analog circuit includes single-pole single-throw(SPST relay, 1 pin of the single-pole single-throw(SPST relay
Connect the upper end of resistance R2, the lower end of 2 pins connection resistance R3, the lower end of capacitance C1 and the rectification of the single-pole single-throw(SPST relay
The cathode of bridge, the upper end of the 3 pins connection capacitance C1 of the single-pole single-throw(SPST relay, the lower end of the resistance R2 is separately connected electricity
Hinder 3 pins of the upper end and microcontroller of R3.
Further, 4 pins of the microcontroller connect CAN isolating chips.
The beneficial effects of the utility model：The utility model is directly controlled the electricity of battery cell simulator by digital signal
Pressure does not need complicated analog circuit, so that entire circuit design is become succinct, reduces cost, be easy to develop, while can also make electricity
It presses continuity relatively good, more really simulates power battery；The power supply of the utility model is isolated using transformer, is reinforced
The safety of battery cell analog circuit；The utility model is based on string and power supply is adjusted to realize, no HF switch interference, output voltage
Ripple is low, to a greater extent close to battery output state, ensures the accuracy of test.
Description of the drawings
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
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of electricity of power battery simulation system based on string tune power supply according to the utility model embodiment
Line structure block diagram；
In figure：
1, alternating current input unit；2, transformer；3, rectifier bridge；4, filter capacitor；5, three-port variable voltage regulator；6, number electricity
Position device；7, microcontroller；8, CAN isolating chips；9, current collection circuit；10, voltage collection circuit；11 single-pole single-throw(SPST relays；
12, CAN cards；13, host computer；14, amplifier.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of power battery simulation system adjusting power supply based on string according to the utility model embodiment
System, including alternating current input unit 1, the alternating current input unit 1 are connected with reduction voltage circuit, and the reduction voltage circuit is connected with several whole
Flow bridge 3；Each described rectifier bridge 3 is connected with three-port variable voltage regulator 5, the adjustable three-terminal voltage-stabilizing by filter capacitor 4
Device 5 is connected with digital regulation resistance 6, and the digital regulation resistance 6 is connected with microcontroller 7, the three-port variable voltage regulator 5 and microcontroller
Current collection circuit 9 and voltage collection circuit 10 are also connected in parallel between 7, the voltage collection circuit 10 is connected in series with short
Road analog circuit, the microcontroller 7 are connected with CAN isolating chips 8；Each CAN isolating chip 8 is connected by CAN cards 12
There is host computer 13.
In one embodiment, the reduction voltage circuit includes transformer 2, and the 1 pin connection alternating current of the transformer 2 is defeated
Enter the upper end of unit 1, the lower end of the 2 pins connection alternating current input unit 1 of the transformer 2.
In one embodiment, 1 pin of the 3 pins connection rectifier bridge 3 of the transformer 2, the 4 of the transformer 2
Pin is connect with 2 pins of rectifier bridge 3.
In one embodiment, the anode of the rectifier bridge 3 be separately connected filter capacitor 4 upper end and adjustable three end it is steady
1 pin of depressor 5, the cathode of the rectifier bridge 3 are separately connected the lower end of filter capacitor 4 and the 2 of three-port variable voltage regulator 5 and draw
Foot.
In one embodiment, 2 pins of the 2 pins connection digital regulation resistance 6 of the three-port variable voltage regulator 5, institute
1 pin of the 3 pins connection digital regulation resistance 6 of three-port variable voltage regulator 5 is stated, 3 pins of the digital regulation resistance 6 connect monolithic
1 pin of machine 7.
In one embodiment, the current collection circuit 9 includes amplifier 14,1 pin point of the amplifier 14
Not Lian Jie three-port variable voltage regulator 54 pins and resistance R1 left end, the right side of the 2 pins connection resistance R1 of the amplifier 14
The upper end at end and resistance R2,2 pins of the 3 pins connection microcontroller 7 of the amplifier 14.
In one embodiment, the short-circuit analog circuit includes single-pole single-throw(SPST relay 11, the single-pole single-throw(SPST after
The upper end of the 1 pin connection resistance R2 of electric appliance 11, the lower end of the 2 pins connection resistance R3 of the single-pole single-throw(SPST relay 11, electricity
Hold the cathode of the lower end and rectifier bridge 3 of C1, the upper end of the 3 pins connection capacitance C1 of the single-pole single-throw(SPST relay 11, the electricity
The lower end of resistance R2 is separately connected the upper end of resistance R3 and 3 pins of microcontroller 7.
In one embodiment, the 4 pins connection CAN isolating chips 8 of the microcontroller 7.
In order to facilitate the above-mentioned technical proposal of the utility model is understood, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, the purpose of this utility model is to design the power battery simulation system that power supply is adjusted based on string, generation
For current used power battery pack entity, for the test in battery management system exploitation, to reduce development cost, shorten
Development cycle improves the authenticity of power battery simulation, ensures the reliability of battery management system.
Specifically include reduction voltage circuit（Transformer）, rectification circuit（Rectifier bridge）, battery cell analog circuit, voltage and current adopt
Collector, short-circuit analog circuit, CAN bus, host computer；Reduction voltage circuit is realized that rectification circuit is realized by rectifier bridge by transformer,
Number and signal control circuit include microcontroller and switching tube, and battery cell analog circuit includes three-port variable voltage regulator, number
Potentiometer, microcontroller, microcontroller can be communicated by SPI and digital regulation resistance, and different numerical value is arranged for digital regulation resistance, to
The resistance of digital regulation resistance, and then the voltage value for keeping output different are adjusted, to reach by digital control simulation battery core monomer voltage
Can consecutive variations purpose；Voltage and current Acquisition Circuit includes AD acquisition chips and operational amplifier, is simulated to battery cell
It is further processed in the voltage and current state acquisition of circuit to number and signal control circuit；Short-circuit analog circuit is by hilted broadsword
It singly throws relay and its driving circuit composition, the relay drive signal is controlled by microcontroller；The CAN bus is isolated by CAN
Chip and CAN cards composition；The host computer is developed based on LabVIEW；User can directly control each electricity by host computer interface
The output voltage of pond monomer and short-circuit emulation mode, gained information can be compared with BMS, to verify the reliability of BMS.
5V voltages can be obtained after transformer pressure-reducing, rectifier bridge rectification, filter capacitor filtering in 220V alternating currents, which can
For three-port variable voltage regulator, digital regulation resistance, microcontroller, CAN isolating chips, current collection circuit, short-circuit analog circuit and its
Drive circuitry；5V direct currents can be depressurized to 2.5V- by three-port variable voltage regulator according to the difference of digital regulation resistance resistance value
4.2V adjustable；Digital regulation resistance is controlled by microcontroller by SPI communication；Microcontroller can know electricity by voltage and current Acquisition Circuit
The output state of pond monomer simulator can also instruct the short-circuit analog circuit of control according to host computer；Between host computer and microcontroller
It is connected by the CAN communication of isolation, host computer is developed based on LabVIEW, and host computer controls each battery cell by CAN communication
State, to simulate the state of entire power battery；User can directly control each battery cell by host computer interface
Output voltage and short-circuit emulation mode, gained information can be compared with BMS, to verify the reliability of BMS.
In conclusion the utility model is directly controlled the voltage of battery cell simulator by digital signal, complexity is not needed
Analog circuit, so that entire circuit design is become succinct, reduce cost, be easy to develop, while voltage continuity can also be made to compare
It is good, more really simulate power battery；The power supply of the utility model is isolated using transformer, strengthens battery cell mould
The safety of quasi- circuit；The utility model is based on string and power supply is adjusted to realize, no HF switch interference, output voltage ripple is low, bigger
Close to battery output state in degree, ensure the accuracy of test.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of power battery simulation system for adjusting power supply based on string, including alternating current input unit（1）, which is characterized in that it is described
Alternating current input unit（1）It is connected with reduction voltage circuit, the reduction voltage circuit is connected with several rectifier bridges（3）；Each described rectification
Bridge（3）Pass through filter capacitor（4）It is connected with three-port variable voltage regulator（5）, the three-port variable voltage regulator（5）It is connected with number
Potentiometer（6）, the digital regulation resistance（6）It is connected with microcontroller（7）, the three-port variable voltage regulator（5）With microcontroller（7）It
Between be also connected in parallel to current collection circuit（9）And voltage collection circuit（10）, the voltage collection circuit（10）It is connected in series with
There are short-circuit analog circuit, the microcontroller（7）It is connected with CAN isolating chips（8）；Each CAN isolating chip（8）Pass through
CAN cards（12）It is connected with host computer（13）.
2. a kind of power battery simulation system for adjusting power supply based on string according to claim 1, which is characterized in that the drop
Volt circuit includes transformer（2）, the transformer（2）1 pin connect alternating current input unit（1）Upper end, the transformer
（2）2 pins connect alternating current input unit（1）Lower end.
3. a kind of power battery simulation system for adjusting power supply based on string according to claim 2, which is characterized in that the change
Depressor（2）3 pins connect rectifier bridge（3）1 pin, the transformer（2）4 pins and rectifier bridge（3）2 pins connect
It connects.
4. a kind of power battery simulation system for adjusting power supply based on string according to claim 3, which is characterized in that described whole
Flow bridge（3）Anode be separately connected filter capacitor（4）Upper end and three-port variable voltage regulator（5）1 pin, the rectifier bridge
（3）Cathode be separately connected filter capacitor（4）Lower end and three-port variable voltage regulator（5）2 pins.
5. it is according to claim 4 it is a kind of based on string adjust power supply power battery simulation system, which is characterized in that it is described can
Adjust three terminal regulator（5）2 pins connect digital regulation resistance（6）2 pins, the three-port variable voltage regulator（5）3 pins connect
Connect digital regulation resistance（6）1 pin, the digital regulation resistance（6）3 pins connect microcontroller（7）1 pin.
6. a kind of power battery simulation system for adjusting power supply based on string according to claim 5, which is characterized in that the electricity
Flow Acquisition Circuit（9）Including amplifier（14）, the amplifier（14）1 pin be separately connected three-port variable voltage regulator（5）4
The left end of pin and resistance R1, the amplifier（14）2 pins connection resistance R1 right end and resistance R2 upper end, it is described to put
Big device（14）3 pins connect microcontroller（7）2 pins.
7. a kind of power battery simulation system for adjusting power supply based on string according to claim 6, which is characterized in that described short
Road analog circuit includes single-pole single-throw(SPST relay（11）, the single-pole single-throw(SPST relay（11）1 pin connection resistance R2 it is upper
End, the single-pole single-throw(SPST relay（11）The lower end of 2 pins connection resistance R3, the lower end of capacitance C1 and rectifier bridge（3）It is negative
Pole, the single-pole single-throw(SPST relay（11）3 pins connection capacitance C1 upper end, the lower end of the resistance R2 is separately connected resistance
The upper end of R3 and microcontroller（7）3 pins.
8. a kind of power battery simulation system for adjusting power supply based on string according to claim 7, which is characterized in that the list
Piece machine（7）4 pins connect CAN isolating chips（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820272412.4U CN207964981U (en) | 2018-02-27 | 2018-02-27 | A kind of power battery simulation system for adjusting power supply based on string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820272412.4U CN207964981U (en) | 2018-02-27 | 2018-02-27 | A kind of power battery simulation system for adjusting power supply based on string |
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| Publication Number | Publication Date |
|---|---|
| CN207964981U true CN207964981U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820272412.4U Expired - Fee Related CN207964981U (en) | 2018-02-27 | 2018-02-27 | A kind of power battery simulation system for adjusting power supply based on string |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061249A (en) * | 2018-10-23 | 2018-12-21 | 郑州轻工业学院 | Power battery monomer voltage simulator and control method |
| CN109307842A (en) * | 2018-10-17 | 2019-02-05 | 湖南恩智测控技术有限公司 | A kind of analog power that circuit is realized |
| CN111220871A (en) * | 2020-02-28 | 2020-06-02 | 浙江南都鸿芯动力科技有限公司 | Adopt electric core analog circuit of SPI communication mode |
-
2018
- 2018-02-27 CN CN201820272412.4U patent/CN207964981U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307842A (en) * | 2018-10-17 | 2019-02-05 | 湖南恩智测控技术有限公司 | A kind of analog power that circuit is realized |
| CN109307842B (en) * | 2018-10-17 | 2024-04-12 | 湖南恩智测控技术有限公司 | Analog power supply for circuit realization |
| CN109061249A (en) * | 2018-10-23 | 2018-12-21 | 郑州轻工业学院 | Power battery monomer voltage simulator and control method |
| CN111220871A (en) * | 2020-02-28 | 2020-06-02 | 浙江南都鸿芯动力科技有限公司 | Adopt electric core analog circuit of SPI communication mode |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210227 |