CN107479604A - A kind of high precision closed loop feedback analog battery system - Google Patents
A kind of high precision closed loop feedback analog battery system Download PDFInfo
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- CN107479604A CN107479604A CN201710606506.0A CN201710606506A CN107479604A CN 107479604 A CN107479604 A CN 107479604A CN 201710606506 A CN201710606506 A CN 201710606506A CN 107479604 A CN107479604 A CN 107479604A
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- 238000002955 isolation Methods 0.000 claims description 104
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- MKGHDZIEKZPBCZ-ULQPCXBYSA-N methyl (2s,3s,4r,5r,6r)-4,5,6-trihydroxy-3-methoxyoxane-2-carboxylate Chemical compound CO[C@H]1[C@H](O)[C@@H](O)[C@H](O)O[C@@H]1C(=O)OC MKGHDZIEKZPBCZ-ULQPCXBYSA-N 0.000 claims 8
- 238000005457 optimization Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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Abstract
The invention discloses a kind of high precision closed loop feedback analog battery system, including power subsystem, voltage regulation unit, central control chip MCU, central control chip MCU include control terminal and signal acquisition terminal；Also include with lower unit：One collecting unit, gather the output end electric signal as simulated battery, the collecting unit in voltage regulation unit and be connected between voltage regulation unit and central control chip MCU signal acquisition terminal；One control unit, controls the output of voltage regulation unit, and described control unit is connected between central control chip MCU control terminal and voltage regulation unit.The present invention gathers the output voltage of simulated battery into central control chip MCU by collecting unit, central control chip MCU controls the voltage of voltage regulation unit output end by control unit, the output voltage of simulated battery is adjusted, such closed loop feedback simulated battery system enables to the precision of the voltage of simulated battery output higher.
Description
Technical field
The present invention relates to battery management system technical field, more particularly to a kind of high precision closed loop feedback analog battery system
System.
Background technology
When using actual battery group, because the voltage of battery pack in itself is uncontrollable, actual battery group supplying power for outside mistake
Cheng Zhong, externally electric discharge or self discharge parameter are inconsistent, and long-term use can cause the voltage of each batteries inconsistent, cause every section
Battery electric quantity is unbalanced.Because real battery pack needs to charge, because the service condition of each batteries group and reason itself are deposited
In difference, so it is easy for making charging unbalanced, is easily damaged battery.
In existing technology, simulated battery voltage output is realized using triode serial regulating circuit more, such a system is deposited
Output voltage precision is low, temperature drift is big and safety and stability is poor the shortcomings that, can not meet the needs of user.In public affairs
Accuse in number patent of invention for the entitled battery analogue circuit for being CN201110982Y, voltage-regulator diode electricity is detected using comparator
The method of pressure is used as feedback adjustment triode to adjust output voltage, because voltage-regulator diode and triode are in different temperatures
Very great fluctuation process can occur for lower parameter, and so as to cause precision very poor, while ripple is also difficult to control, and output do not possess it is adjustable
Property.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to solve battery analogue circuit in the prior art
Output accuracy is low, and the nonadjustable problem of output voltage, therefore, the present invention provides a kind of high precision closed loop feedback analog battery system
System.
To achieve the above object, the present invention uses following technical scheme：
A kind of high precision closed loop feedback analog battery system, including power subsystem, voltage regulation unit, central control chip MCU,
Central control chip MCU includes control terminal and signal acquisition terminal；Also include with lower unit：
One collecting unit, gather the output end electric signal as simulated battery in voltage regulation unit, the collecting unit connection
Between voltage regulation unit and central control chip MCU signal acquisition terminal；
One control unit, controls the output of voltage regulation unit, and described control unit is connected to central control chip MCU control
Between end and voltage regulation unit.
Optimization, the voltage regulation unit includes low pressure difference linear voltage regulator U2, resistance R1, resistance R2, and low pressure difference linearity is steady
Depressor U2 includes input, earth terminal, output end, voltage adjusting end, and resistance R1 is connected between output end and voltage adjusting end, and voltage adjusting end leads to
Resistance R2 is crossed to be connected with earth terminal；The input and earth terminal are connected with power subsystem, output end be connected with collecting unit and
As the output end of simulated battery, voltage adjusting end is connected with control unit.
Optimization, the collecting unit includes modulus conversion chip U7, digital isolator U6, the modulus conversion chip U7
Including collection terminal, the collection terminal of the modulus conversion chip U7 is connected with low pressure difference linear voltage regulator U2 output end, the mould
Number conversion chip U7 is connected by digital isolator U6 with central control chip MCU signal acquisition terminal.
Optimization, the model LTC6804 of the modulus conversion chip U7.
Optimization, the signal acquisition terminal of the central control chip MCU include first port, second port, the 3rd port,
4th port；The digital isolator U6 includes the first isolation input end, the second isolation input end, the 3rd isolation input end, the
Four isolation input ends, the first isolation and amplifier end, the second isolation and amplifier end, the 3rd isolation and amplifier end, the 4th isolation and amplifier end；It is described
Modulus conversion chip U7 the 41st pin, the 42nd pin, the 43rd pin, the 44th pin respectively with the first of digital isolator U6 every
Connected from input, the second isolation input end, the 3rd isolation input end, the 4th isolation input end, the first of digital isolator U6
Isolation and amplifier end, the second isolation and amplifier end, the 3rd isolation and amplifier enter end, the 4th isolation and amplifier end respectively with central control chip
MCU first port, second port, the 3rd port, the connection of the 4th port.
Optimization, the modulus conversion chip U7 includes multiple signal acquisition terminals.
Optimization, described control unit includes analog-digital chip U3, digital isolator U4, resistance R3, and the digital-to-analogue turns
Changing chip U3 includes control output end, and the control output end is connected by resistance R3 with voltage adjusting end, the analog-digital chip
U3 is connected by digital isolator U4 with central control chip MCU control terminal.
Optimization, the control terminal of the central control chip MCU includes fifth port, the 6th port, the 7th port；Digital-to-analogue
Conversion chip U3 includes the first output end, the second output end, the first chip isolation input end, the second chip isolation input end, the
Three chip isolation input ends；Digital isolator U4 includes the 5th isolation input end, the 6th isolation input end, the 7th isolation input
End, the 5th isolation and amplifier end, the 6th isolation and amplifier end, the 7th isolation and amplifier end；The first output of the analog-digital chip U3
End connects with the second output end and is used as the control output end of control unit, analog-digital chip U3 the first chip isolation input
End, the second chip isolation input end, the 3rd chip isolation input end the 5th isolation and amplifier end with digital isolator U4, respectively
Six isolation and amplifier ends, the connection of the 7th isolation and amplifier end, digital isolator U4 the 5th isolation input end, the 6th isolation input end,
The fifth port with central control chip MCU, the 6th port, the 7th port are connected respectively at 7th isolation input end.
Optimization, the power subsystem includes the first power supply, isolated DC converter U1, and first power supply is by isolation
Direct current transducer U1 is connected with voltage regulation unit, the connection end of the isolated DC converter U1 and the first power supply and and voltage regulation unit
The connection end isolation of connection.
Optimization, first power supply is 24V, and the isolated DC converter U1 outputs are 5V.
The advantage of the invention is that：
(1) present invention by the output voltage of collecting unit collection simulated battery into central control chip MCU, control by center
Coremaking piece MCU controls the voltage of voltage regulation unit output end by control unit, that is, adjusts the output voltage of simulated battery, so
Closed loop feedback simulated battery system enable to simulated battery export voltage precision it is higher.Wherein collecting unit, center
Control chip MCU, power subsystem, voltage regulation unit, control unit and the connection line between them form the physical of the system
Platform.
(2) closed loop feedback system of the physical platform formed adds output accuracy, and using high-precision in the platform
The modulus conversion chip U7 and analog-digital chip U3 of degree, even if temperature change is very big, it is also ensured that very high degree of precision.
(3) bleeder circuit of the resistance R1 in the present invention and resistance R2 compositions is used to set low pressure difference linear voltage regulator U2's
Acquiescence output, if analog-digital chip U3 does not provide to low pressure difference linear voltage regulator U2 output drive voltages, bleeder circuit
Acquiescence output.
(4) the resistance R3 in the present invention is current limiting safeguard resistor, plays a part of protecting control unit.
(5) present invention by 24V direct currents be converted into isolation 5V, due to isolated DC converter U1 conversion 5V ripples compared with
Greatly, 5V reduces the analog voltage of adjustment output by low pressure difference linear voltage regulator U2.
(6) modulus conversion chip U7 includes multiple signal acquisition terminals in the present invention, can so use an analog-to-digital conversion
Chip U7 gathers the voltage of multiple simulated batteries simultaneously.
(7) present invention is kept apart height laminate section by digital isolator U4 and digital isolator U6, in protecting
Entreat control chip MCU.
Brief description of the drawings
Fig. 1 is the system block diagram in a kind of high precision closed loop feedback analog battery system of the present invention.
Fig. 2 is a kind of circuit diagram of high precision closed loop feedback analog battery system of the present invention.
Reference implication in figure is as follows：
1- power subsystem 2- voltage regulation unit 3- central control chip MCU 4- collecting units
5- control units
Embodiment
As shown in figure 1, a kind of high precision closed loop feedback analog battery system, the system includes power subsystem 1, voltage regulation unit
2, central control chip MCU3, central control chip MCU3 include control terminal and signal acquisition terminal.Also include with lower unit：
One collecting unit 4, gather the output end electric signal as simulated battery, collecting unit 4 in voltage regulation unit 2 and be connected to
Voltage regulation unit 2 is connected with central control chip MCU3 signal acquisition terminal；
One control unit 5, controls the output of voltage regulation unit 2, and control unit 5 is connected to central control chip MCU3 control
Between end and voltage regulation unit 2.
Specifically as shown in Fig. 2 wherein voltage regulation unit 2 includes low pressure difference linear voltage regulator U2, resistance R1, resistance R2.It is low
Pressure difference linear voltage regulator U2 includes input, earth terminal, output end, voltage adjusting end.Wherein voltage adjusting end is ADJ ends in fig. 2.Resistance
R1 is connected between output end and voltage adjusting end, and voltage adjusting end is connected by resistance R2 with earth terminal；Input and earth terminal and power supply
Unit 1 connects, and output end is connected with collecting unit 4 and is connected as the output end of simulated battery, voltage adjusting end with control unit 5.
Collecting unit 4 includes modulus conversion chip U7, digital isolator U6.Modulus conversion chip U7 includes collection terminal, mould
Number conversion chip U7 collection terminal be connected with low pressure difference linear voltage regulator U2 output end, modulus conversion chip U7 processes it is digital every
It is connected from device U6 with central control chip MCU3 signal acquisition terminal, the voltage collected is passed through numeral by modulus conversion chip U7
Isolator U6 passes to central control chip MCU (3).
Modulus conversion chip U7 model LTC6804, the manufacturer of the chip is Linear Tech.Modulus conversion chip
U7 includes multiple signal acquisition terminals, can so use a modulus conversion chip U7 to gather the electricity of multiple simulated batteries simultaneously
Pressure.In detail, modulus conversion chip U7 acquisition precision is 14 in the present embodiment.
Central control chip MCU3 signal acquisition terminal includes first port, second port, the 3rd port, the 4th port,
Digital isolator U6 include the first isolation input end, the second isolation input end, the 3rd isolation input end, the 4th isolation input end,
First isolation and amplifier end, the second isolation and amplifier end, the 3rd isolation and amplifier end, the 4th isolation and amplifier end, modulus conversion chip U7's
The first isolation input end with digital isolator U6, the second isolation input end, the 3rd isolate 41st pin to the 44th pin respectively
Input, the connection of the 4th isolation input end, digital isolator U6 the first isolation and amplifier end, the second isolation and amplifier end, the 3rd every
From output end, the 4th isolation and amplifier the end first port with central control chip MCU3, second port, the 3rd port, respectively
Four ports connect.The power supplys of each inputs of digital isolator U6 and ground need each output end with digital isolator U6 power supply and
Ground isolates.Modulus conversion chip U7 realizes collection, and data after collection isolate high-low voltage by data isolation device U6, first
Port, second port, the 3rd port, the 4th port together as central control chip MCU3 and modulus conversion chip U7 communication
Port, the data collected are transferred to central control chip MCU3 processing in the case where protecting central control chip MCU3.
Control unit 5 includes analog-digital chip U3, digital isolator U4, resistance R3, analog-digital chip U3 including controlling
End processed, control terminal are connected by resistance R3 with voltage adjusting end, and analog-digital chip U3 is by digital isolator U4 and center control core
Piece MCU3 control terminal connection.
Central control chip MCU3 control terminal includes fifth port, the 6th port, the 7th port, analog-digital chip U3
Including the first output end, the second output end, the first chip isolation input end, the second chip isolation input end, the isolation of the 3rd chip
Input, digital isolator U4 include the 5th isolation input end, the 6th isolation input end, the 7th isolation input end, the 5th isolation
Output end, the 6th isolation and amplifier end, the 7th isolation and amplifier end, analog-digital chip U3 the first output end and the second output end connect
Connect and be used as the control output end of control unit 5, analog-digital chip U3 the first chip isolation input end, the isolation of the second chip
Input, the 3rd chip isolation input end the 5th isolation and amplifier end with digital isolator U4, the 6th isolation and amplifier end, respectively
Seven isolation and amplifier ends connect, digital isolator U4 the 5th isolation input end, the 6th isolation input end, the 7th isolation input end point
Fifth port, the 6th port not with central control chip MCU3, the 7th port are connected.Fifth port, the 6th port, the 7th end
Mouth is by same group of signal control output.
The power supply and ground of each inputs of digital isolator U4 need the power supply and ground of each output end with digital isolator U4
Isolation.Central control chip MCU3 passes through analog-digital chip U3 by digital isolator U4 output control signals, control signal
Control output end be output to voltage adjusting end, the signal of voltage adjusting end is transferred in low pressure difference linear voltage regulator U2, adjust low voltage difference line
Property voltage-stablizer U2 output end output valve, that is, the output valve of simulated battery is adjusted, so as to adjust the output accuracy of simulated battery.
In detail, analog-digital chip U3 acquisition precision is 14 in the present embodiment.
Power subsystem 1 includes the first power supply, isolated DC converter U1, and the first power supply is 24V, and the first power supply is by isolation
Direct current transducer U1 is connected with voltage regulation unit 2, the connection end of the isolated DC converter U1 and the first power supply and with voltage stabilizing list
The connection end isolation of member connection.The first power supply is 24V in the embodiment, the end that isolated DC converter U1 is connected with voltage regulation unit
Mouth output voltage is 5V.Ground isolates correspondingly with 5V voltages corresponding to wherein the first power supply 24V.
In fig. 2, central control chip MCU3 also includes TXD ends and RXD ends, is communicated with external equipment.Can be from
This port sets the setting value of simulated battery voltage.
The course of work of said system is as follows：
S1, initialization whole system,
S2, central control chip MCU3 send instruction；
S3, the instruction sent send analog-digital chip U3 to by digital isolator U4；
S4, analog-digital chip U3 output signal to low pressure difference linear voltage regulator U2；
The output end of S5, low pressure difference linear voltage regulator U2 output voltages as simulated battery；
The voltage of the output end of S6, modulus conversion chip U7 collection simulated battery；
S7, the voltage signal after conversion is passed through to the signal acquisition that digital isolator U6 sends central control chip MCU3 to
End；
Whether the voltage signal that S8, central control chip MCU3 compare input is equal to the magnitude of voltage set；
S9, it is recycled in step S3, when the voltage signal that central control chip MCU3 compares input is less than setting value, in
Control chip MCU3 is entreated to send instruction, control increases analog-digital chip U3 output valve, on the contrary, when more than setting value, in
Control chip MCU3 is entreated to send instruction, control reduces analog-digital chip U3 output valve, when equal to setting value, circulation knot
Beam.
In step s 9, after the voltage signal that central control chip MCU3 compares input is equal to setting value, periodically implement
Step S6 to S9, greatly improve the precision of simulated battery output voltage.
The simulated battery system of above-mentioned closed loop feedback, with reference to circuit design in system, a high accuracy can be obtained and closed
The simulated battery system of ring feedback, improve the stability of simulated battery output.
The preferred embodiment of the invention is these are only, is not intended to limit the invention creation, it is all in the present invention
All any modification, equivalent and improvement made within the spirit and principle of creation etc., should be included in the guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of high precision closed loop feedback analog battery system, it is characterised in that the system includes power subsystem (1), voltage stabilizing list
First (2), central control chip MCU (3), central control chip MCU (3) include control terminal and signal acquisition terminal；Also include following
Unit：
One collecting unit (4), the middle output end electric signal as simulated battery of collection voltage regulation unit (2), the collecting unit (4)
It is connected between voltage regulation unit (2) and central control chip MCU (3) signal acquisition terminal；
One control unit (5), the output of control voltage regulation unit (2), described control unit (5) are connected to central control chip MCU
(3) between control terminal and voltage regulation unit (2).
A kind of 2. high precision closed loop feedback analog battery system according to claim 1, it is characterised in that the voltage stabilizing list
First (2) include low pressure difference linear voltage regulator U2, resistance R1, resistance R2, and low pressure difference linear voltage regulator U2 includes input, ground connection
End, output end, voltage adjusting end, resistance R1 are connected between output end and voltage adjusting end, and voltage adjusting end is connected by resistance R2 with earth terminal；
The input and earth terminal are connected with power subsystem (1), and output end is connected and as the defeated of simulated battery with collecting unit (4)
Go out end, voltage adjusting end is connected with control unit (5).
3. a kind of high precision closed loop feedback analog battery system according to claim 2, it is characterised in that the collection is single
First (4) include modulus conversion chip U7, digital isolator U6, the modulus conversion chip U7 include collection terminal, and the modulus turns
The collection terminal for changing chip U7 is connected with low pressure difference linear voltage regulator U2 output end, the modulus conversion chip U7 by numeral every
It is connected from device U6 with central control chip MCU (3) signal acquisition terminal.
4. a kind of high precision closed loop feedback analog battery system according to claim 3, it is characterised in that the modulus turns
Change chip U7 model LTC6804.
A kind of 5. high precision closed loop feedback analog battery system according to claim 4, it is characterised in that the center control
Coremaking piece MCU (3) signal acquisition terminal includes first port, second port, the 3rd port, the 4th port；The numeral isolation
Device U6 includes the first isolation input end, the second isolation input end, the 3rd isolation input end, the 4th isolation input end, the first isolation
Output end, the second isolation and amplifier end, the 3rd isolation and amplifier end, the 4th isolation and amplifier end；The 41st of the modulus conversion chip U7
Pin, the 42nd pin, the 43rd pin, the 44th pin respectively the first isolation input end with digital isolator U6, second isolate it is defeated
Enter end, the 3rd isolation input end, the connection of the 4th isolation input end, digital isolator U6 the first isolation and amplifier end, the second isolation
Output end, the 3rd isolation and amplifier enter end, the 4th isolation and amplifier the end first port with central control chip MCU (3), second respectively
Port, the 3rd port, the connection of the 4th port.
6. a kind of high precision closed loop feedback analog battery system according to claim 3, it is characterised in that the modulus turns
Changing chip U7 includes multiple signal acquisition terminals.
7. a kind of high precision closed loop feedback analog battery system according to claim 5, it is characterised in that the control is single
First (5) include control output end including analog-digital chip U3, digital isolator U4, resistance R3, the analog-digital chip U3,
The control output end is connected by resistance R3 with voltage adjusting end, and the analog-digital chip U3 is by digital isolator U4 and center
Control chip MCU (3) control terminal connection.
A kind of 8. high precision closed loop feedback analog battery system according to claim 7, it is characterised in that the center control
Coremaking piece MCU (3) control terminal includes fifth port, the 6th port, the 7th port；Analog-digital chip U3 includes the first output
End, the second output end, the first chip isolation input end, the second chip isolation input end, the 3rd chip isolation input end；Numeral every
From device U4 include the 5th isolation input end, the 6th isolation input end, the 7th isolation input end, the 5th isolation and amplifier end, the 6th every
From output end, the 7th isolation and amplifier end；The first output end of the analog-digital chip U3 is connected with the second output end and conduct
The control output end of control unit (5), analog-digital chip U3 the first chip isolation input end, the second chip isolation input
End, the 3rd chip isolation input end respectively the 5th isolation and amplifier end with digital isolator U4, the 6th isolation and amplifier end, the 7th every
Connected from output end, digital isolator U4 the 5th isolation input end, the 6th isolation input end, the 7th isolation input end respectively with
Central control chip MCU (3) fifth port, the 6th port, the connection of the 7th port.
A kind of 9. high precision closed loop feedback analog battery system according to claim 1, it is characterised in that the power supply list
First (1) includes the first power supply, isolated DC converter U1, and first power supply passes through isolated DC converter U1 and voltage regulation unit
(2) connect, the isolated DC converter U1 isolates with the connection end of the first power supply and with the connection end of voltage regulation unit connection.
10. a kind of high precision closed loop feedback analog battery system according to claim 7, it is characterised in that described first
Power supply is 24V, and the isolated DC converter U1 outputs are 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606506.0A CN107479604A (en) | 2017-07-24 | 2017-07-24 | A kind of high precision closed loop feedback analog battery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606506.0A CN107479604A (en) | 2017-07-24 | 2017-07-24 | A kind of high precision closed loop feedback analog battery system |
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| Publication Number | Publication Date |
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| CN107479604A true CN107479604A (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710606506.0A Pending CN107479604A (en) | 2017-07-24 | 2017-07-24 | A kind of high precision closed loop feedback analog battery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111613841A (en) * | 2020-04-23 | 2020-09-01 | 贵州航天天马机电科技有限公司 | Battery voltage acquisition and control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202166676U (en) * | 2011-06-23 | 2012-03-14 | 同济大学 | Novel power battery simulation device |
| CN205643629U (en) * | 2016-04-29 | 2016-10-12 | 深圳市恒昌盛科技有限公司 | A test system for portable electronic products PCBA board |
| CN205786892U (en) * | 2016-05-20 | 2016-12-07 | 江门市彩立方光电科技有限公司 | Electrokinetic cell simulator |
| CN106405169A (en) * | 2016-08-31 | 2017-02-15 | 天津市捷威动力工业有限公司 | Adjustable power source system used for battery management system to test and simulate battery single cell voltage |
| CN207264236U (en) * | 2017-07-24 | 2018-04-20 | 安徽力高新能源技术有限公司 | A kind of high precision closed loop feedback analog battery system |
-
2017
- 2017-07-24 CN CN201710606506.0A patent/CN107479604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202166676U (en) * | 2011-06-23 | 2012-03-14 | 同济大学 | Novel power battery simulation device |
| CN205643629U (en) * | 2016-04-29 | 2016-10-12 | 深圳市恒昌盛科技有限公司 | A test system for portable electronic products PCBA board |
| CN205786892U (en) * | 2016-05-20 | 2016-12-07 | 江门市彩立方光电科技有限公司 | Electrokinetic cell simulator |
| CN106405169A (en) * | 2016-08-31 | 2017-02-15 | 天津市捷威动力工业有限公司 | Adjustable power source system used for battery management system to test and simulate battery single cell voltage |
| CN207264236U (en) * | 2017-07-24 | 2018-04-20 | 安徽力高新能源技术有限公司 | A kind of high precision closed loop feedback analog battery system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111613841A (en) * | 2020-04-23 | 2020-09-01 | 贵州航天天马机电科技有限公司 | Battery voltage acquisition and control system |
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Address after: Room 501, No. 8, No. 300, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Applicant after: LIGO (Shandong) New Energy Technology Co.,Ltd. Address before: 230088, building C2, Hefei University of science and technology, 800 Wangjiang West Road, Hefei hi tech Zone, Anhui 1-4, China Applicant before: ANHUI LIGOO NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Application publication date: 20171215 |