CN105446208B - The switch arrays circuit of changeable access diverse location battery - Google Patents
The switch arrays circuit of changeable access diverse location battery Download PDFInfo
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- CN105446208B CN105446208B CN201410552810.8A CN201410552810A CN105446208B CN 105446208 B CN105446208 B CN 105446208B CN 201410552810 A CN201410552810 A CN 201410552810A CN 105446208 B CN105446208 B CN 105446208B
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Abstract
The present invention relates to the switch arrays circuit of changeable access diverse location battery.Solves the problem of circuit is complicated, and cost is high, and volume is big, and overcurrent capability is small, and path resistance is high, technical scheme is：Also include front passage on-off circuit, battery polar selection circuit, sample circuit and single-chip microcomputer, the output end of the battery pack is connected with the first conduction terminal of the front passage on-off circuit, second conduction terminal of front passage on-off circuit electrically connects with the input of the battery polar selection circuit, the output end of the battery polar selection circuit passes through sample circuit and described monolithic mechatronics, control terminal of the single-chip microcomputer also with described front passage on-off circuit is connected, and conduction terminal of the single-chip microcomputer also with described battery polar selection circuit is connected.Circuit of the present invention is simple, and cost is low, and small volume, overcurrent capability is strong, and path resistance is low.
Description
Technical field
The invention belongs to switch arrays circuit, more particularly to a kind of switch arrays electricity of changeable access diverse location battery
Road.
Background technology
The circuit of switch arrays circuit in currently available technology is complicated, and cost is high, and volume is big, and overcurrent capability is small, leads to
The anti-height of roadlock, China Patent Publication No. CN102520339A, publication date on June 27th, 2012, disclose the present invention relates to located at
Contact circuit board testing system, it includes：Computer interface, first, second FPGA circuitry being connected with computer interface, with
What the control signal output of first, second FPGA circuitry was connected comprises at least one by two groups of triodes formed to pipe circuit
Switch arrays circuit；It is described to include a positive-negative-positive and NPN type triode to pipe circuit, the positive-negative-positive and NPN type triode
Colelctor electrode is connected；Present invention test nodal point number is more, and FGPA circuits have good autgmentability, can rapidly find out effective benchmark
Test point, the knot-net based on the point is obtained, strong antijamming capability, knot will not be influenceed because of leakage current or drain voltage
The Voltammetric Relation of spot net.But switch arrays circuit therein still has circuit complexity, cost is high, and volume is big, overcurrent
The problem of ability is small, and path resistance is high.
The content of the invention
Present invention aims at solution switch arrays circuit still to have circuit complexity, and cost is high, and volume is big, overcurrent energy
A kind of the problem of power is small, and path resistance is high, there is provided switch arrays circuit of changeable access diverse location battery.
The technical solution adopted for the present invention to solve the technical problems is：A kind of changeable access diverse location battery is opened
Array circuit is closed, includes the battery pack of the sub- battery pack composition of several series connection, is powered by digital power, in addition to front passage
On-off circuit, battery polar selection circuit, sample circuit and single-chip microcomputer, the output end of the battery pack are opened with the front passage
The first conduction terminal connection on powered-down road, the second conduction terminal of front passage on-off circuit are defeated with the battery polar selection circuit
Enter end electrical connection, the output end of the battery polar selection circuit is described by sample circuit and described monolithic mechatronics
Control terminal of the single-chip microcomputer also with described front passage on-off circuit is connected, and the single-chip microcomputer also selects with described battery polar
The conduction terminal connection of circuit.This on-off circuit may proceed through high current, may proceed through 5A electric current；This on-off circuit passage
With Low ESR, sampling with high precision passage can be used as；This on-off circuit is formed with discrete component；This on-off circuit volume
Small, cost is low.
Preferably, every sub- battery pack includes a corresponding signal circuit and two minimum on-off circuits, institute
The input for stating minimum on-off circuit electrically connects with digital power, a conduction terminal and the sub- battery pack of the minimum on-off circuit
Pole connection, another conduction terminal of minimum on-off circuit be connected with the input of battery polar selection circuit, it is minimum switch it is electric
The output end on road is connected with the input of the signal circuit, and the control terminal of the signal circuit connects single-chip microcomputer.
Preferably, the minimum on-off circuit includes resistance R3, resistance R4, resistance R5, resistance R6 FETs Q7, field
Effect pipe Q8, diode D1 and triode Q25, resistance R6 one end are connected with triode Q25 base stage, the resistance R6 other ends and three
Level pipe Q25 emitter stage connection, triode Q25 emitter stage electrically connect with digital power, resistance R3 one end and triode Q25
Base stage connection, the resistance R3 other end is connected by diode D1 with the input of the signal circuit, three pole
The grid that pipe Q25 colelctor electrode passes through resistance the R5 grid with FET Q7, resistance R4 one end and FET Q8 respectively
Connection, the resistance R4 other end point are connected with FET Q7 source electrode and FET Q8 source electrode, FET Q7's
Drain and connected with a pole of corresponding sub- battery pack, FET Q8 drain electrode connects with the input of the signal circuit
Connect, the signal circuit includes triode Q1, resistance R1 and resistance R2, the triode Q1 colelctor electrode switch with minimum
The diode D1 connections of circuit, triode Q1 base stage are connected with single-chip microcomputer, and triode Q1 emitter stage is grounded by resistance R1,
Resistance R2 is connected between triode Q1 base stage and the triode Q1 emitter stage.
Preferably, the minimum on-off circuit is multiplex circuit, the output end of each minimum on-off circuit also with it is adjacent
The signal circuit input connection.
Preferably, battery polar selection circuit includes circuit structure identical positive polarity selection circuit and negative pole Sexual behavior mode
Circuit, the positive polarity selection circuit input are connected with the output end of front passage on-off circuit, the positive pole Sexual behavior mode electricity
Road output end is cathode output end, and the negative polarity selection circuit input is connected with the output end of front passage on-off circuit,
The negative polarity selection circuit output end is cathode output end, and the negative polarity selection circuit includes resistance R39, resistance R43, electricity
Hinder R46, resistance R44, resistance R45, resistance R47, resistance R48, resistance R42, resistance R41, resistance R40, triode Q33, three poles
Pipe Q35, triode Q34 and triode Q6, FET Q23, FET Q24, FET Q19, FET Q22, institute
State resistance R39 first ends to be connected with FET Q19 grid and FET Q22 grid respectively, the resistance R39
Two ends are connected with FET Q19 source electrode and FET Q22 source electrode respectively, FET Q19 drain electrode and front end
The output end connection of channel switching circuit, FET Q22 drain electrode are cathode output end, the resistance R43 first ends
It is connected respectively with FET Q23 grid and FET Q24 grid, the ends of resistance R43 second are imitated with field respectively
Should pipe Q23 source electrode and FET Q24 source electrode connection, FET Q23 drain electrode and front passage on-off circuit
Another output end connects, and FET Q24 drain electrode is cathode output end, and FET Q24 grid is conversion conducting orifice
It is connected with the conversion signal delivery outlet of positive polarity selection circuit, the colelctor electrode of the triode Q33 and FET Q19 grid
Connection, triode Q33 emitter stage are connected by resistance R44 with triode Q34 colelctor electrode, and triode Q33 base stage passes through
Resistance R46 is grounded, and resistance R45, the triode Q35 are connected between triode Q34 colelctor electrode and triode Q33 base stage
Current collection extremely negative polarity selection circuit conversion signal delivery outlet, the conversion signal delivery outlet and positive pole of negative polarity selection circuit
The conversion conducting orifice connection of Sexual behavior mode circuit, triode Q35 emitter stage are connected by resistance R48 and triode Q34 colelctor electrode
Connect, triode Q35 base stage is grounded by resistance R46, is connected between triode Q34 colelctor electrode and triode Q35 base stage
There is resistance R47, triode Q34 emitter stage is connected with digital power, and triode Q34 base stage passes through resistance R42 and numeral electricity
Source is electrically connected, and triode Q34 base stage is connected with triode Q6 colelctor electrode, and triode Q6 emitter stage is connect by resistance R40
Ground, triode Q6 emitter stage are connected by resistance R41 with triode Q6 base stage, triode Q6 base stage and the one of single-chip microcomputer
Individual input/output port electrical connection.The battery pack of the present invention and front passage on-off circuit, battery polar selection circuit, sampling electricity
Road, single-chip microcomputer are sequentially connected electrically, and single-chip microcomputer control front passage on-off circuit makes itself and the anyon battery pack electricity in battery pack
Connection, single-chip microcomputer control battery polar selection circuit make its output battery polar keep constant, then sampling circuit samples battery
Voltage simultaneously sends single-chip microcomputer to.The function of front passage on-off circuit is to can access the anyon battery of battery pack in the present invention
Group, it is overlapped with discrete component, and circuit structure is simple, cost is low, small volume, overcurrent capability is big, path resistance is low；This hair
The function of bright middle battery polar selection circuit：When polarity of voltage changes, battery polar selection circuit can guarantee that its output letter
Number positive output end is always positive voltage, and negative output terminal is always negative voltage.Battery polar selection circuit is overlapped with discrete component, its
Middle triode Q33, triode Q35, the circuit that resistance R46, resistance R45, resistance R47, resistance R44, resistance R48 are formed is one
Constant-current control circuit, it is constant current to ensure electric current, so as to realize that the voltage on resistance R38 is constant pressure.
The present invention substantial effect be：The switch arrays circuit of changeable access diverse location battery, this on-off circuit
The battery of access diverse location can be switched；This on-off circuit may proceed through high current, may proceed through 5A electric current；This is opened
Powered-down paths have Low ESR, can be used as sampling with high precision passage；This on-off circuit is formed with discrete component；This is opened
Powered-down road small volume, cost are low.
Brief description of the drawings
Fig. 1 is a kind of circuit frame figure of the present embodiment；
Fig. 2 is a kind of front passage on-off circuit schematic diagram of the present embodiment；
Fig. 3 is a kind of battery polar selection circuit schematic diagram of the present embodiment.
In figure：1st, battery pack, 2, front passage on-off circuit, 3, battery polar selection circuit, 4, sample circuit, 5, monolithic
Machine.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1：
A kind of switch arrays circuit (referring to accompanying drawing 1, Fig. 2 and Fig. 3) of changeable access diverse location battery, including 4
The battery pack 1 that the sub- battery pack of series connection is formed, front passage on-off circuit 2 is also included by digital power power supply, battery polar selects
Select circuit 3, sample circuit 4 and single-chip microcomputer 5, the output end of the battery pack and the first conducting of the front passage on-off circuit
End connection, the second conduction terminal of front passage on-off circuit electrically connects with the input of the battery polar selection circuit, described
The output end of battery polar selection circuit by sample circuit and described monolithic mechatronics, the single-chip microcomputer also with it is described
The control terminal connection of front passage on-off circuit, the single-chip microcomputer also connect with the conduction terminal of described battery polar selection circuit
Connect.Every sub- battery pack includes a corresponding signal circuit and two minimum on-off circuits, the minimum on-off circuit
Input electrically connected with digital power, a conduction terminal of the minimum on-off circuit is connected with a pole of sub- battery pack, most
Another conduction terminal of small on-off circuit is connected with the input of battery polar selection circuit, the output end of minimum on-off circuit and institute
The input connection of signal circuit is stated, the control terminal of the signal circuit connects single-chip microcomputer.The minimum on-off circuit
Including resistance R3, resistance R4, resistance R5, resistance R6 FETs Q7, FET Q8, diode D1 and triode Q25, resistance
R6 one end is connected with triode Q25 base stage, and the resistance R6 other ends are connected with triode Q25 emitter stage, triode Q25 hair
Emitter-base bandgap grading is electrically connected with digital power, and resistance R3 one end is connected with triode Q25 base stage, and the resistance R3 other end passes through two poles
Pipe D1 is connected with the input of the signal circuit, and the colelctor electrode of the triode Q25 is imitated with field respectively by resistance R5
Should pipe Q7 grid, resistance R4 one end connected with FET Q8 grid, resistance the R4 other end point and FET Q7
Source electrode and FET Q8 source electrode connection, FET Q7 drain electrode and the connection of a pole of corresponding sub- battery pack, field
Effect pipe Q8 drain electrode is connected with the input of the signal circuit, and the signal circuit includes triode Q1, electricity
Resistance R1 and resistance R2, the colelctor electrode of the triode Q1 are connected with the diode D1 of minimum on-off circuit, triode Q1 base stage
It is connected with single-chip microcomputer, triode Q1 emitter stage is grounded by resistance R1, triode Q1 base stage and the hair of the triode Q1
Resistance R2 is connected between emitter-base bandgap grading.The minimum on-off circuit is multiplex circuit, the output end of each minimum on-off circuit also with
The input connection of the adjacent signal circuit.Battery polar selection circuit selects including circuit structure identical positive polarity
Circuit and negative polarity selection circuit are selected, the output end of the positive polarity selection circuit input and front passage on-off circuit connects
Connect, the positive polarity selection circuit output end is cathode output end, and the negative polarity selection circuit input is opened with front passage
The output end connection on powered-down road, the negative polarity selection circuit output end is cathode output end, the negative polarity selection circuit bag
Include resistance R39, resistance R43, resistance R46, resistance R44, resistance R45, resistance R47, resistance R48, resistance R42, resistance R41, electricity
Hinder R40, triode Q33, triode Q35, triode Q34 and triode Q6, FET Q23, FET Q24, field-effect
Pipe Q19, FET Q22, the resistance R39 first ends respectively with FET Q19 grid and FET Q22 grid
Pole is connected, and the ends of resistance R39 second are connected with FET Q19 source electrode and FET Q22 source electrode respectively, field effect
Should pipe Q19 drain electrode be connected with an output end of front passage on-off circuit, FET Q22 drain electrode is negative pole output
End, the resistance R43 first ends are connected with FET Q23 grid and FET Q24 grid respectively, the resistance
The ends of R43 second are connected with FET Q23 source electrode and FET Q24 source electrode respectively, FET Q23 drain electrode with
Another output end connection of front passage on-off circuit, FET Q24 drain electrode are cathode output end, FET Q24
Grid for conversion conducting orifice be connected with the conversion signal delivery outlet of positive polarity selection circuit, the colelctor electrode of the triode Q33
It is connected with FET Q19 grid, triode Q33 emitter stage is connected by resistance R44 with triode Q34 colelctor electrode,
Triode Q33 base stage is grounded by resistance R46, and electricity is connected between triode Q34 colelctor electrode and triode Q33 base stage
Resistance R45, the conversion signal delivery outlet of the current collection extremely negative polarity selection circuit of the triode Q35, negative polarity selection circuit
Conversion signal delivery outlet is connected with the conversion conducting orifice of positive polarity selection circuit, triode Q35 emitter stage by resistance R48 with
Triode Q34 colelctor electrode connection, triode Q35 base stage are grounded by resistance R46, triode Q34 colelctor electrode and three poles
Resistance R47 is connected between pipe Q35 base stage, triode Q34 emitter stage is connected with digital power, triode Q34 base stage
Electrically connected by resistance R42 with digital power, triode Q34 base stage is connected with triode Q6 colelctor electrode, triode Q6's
Emitter stage is grounded by resistance R40, and triode Q6 emitter stage is connected by resistance R41 with triode Q6 base stage, triode
Q6 base stage electrically connects with single-chip microcomputer input/output port.
The battery pack and front passage on-off circuit, battery polar selection circuit, sample circuit, single-chip microcomputer of the present invention is successively
Electrical connection, single-chip microcomputer control front passage on-off circuit make it be electrically connected with the anyon battery pack in battery pack, single-chip microcomputer control
Battery polar selection circuit processed makes it export battery polar to keep constant, then sampling circuit samples cell voltage and send list to
Piece machine.The function of front passage on-off circuit is to can access the anyon battery pack of battery pack in the present invention, and it is with discrete first device
Part overlaps, and circuit structure is simple, cost is low, small volume, overcurrent capability is big, path resistance is low；Battery polar selects in the present invention
Select the function of circuit：When polarity of voltage changes, battery polar selection circuit can guarantee that its output signal positive output end always
It is positive voltage, negative output terminal is always negative voltage.Battery polar selection circuit is overlapped with discrete component, wherein triode Q33, three
The circuit that pole pipe Q35, resistance R46, resistance R45, resistance R47, resistance R44, resistance R48 are formed is a constant-current control circuit,
It is constant current to ensure electric current, so as to realize that the voltage on resistance R38 is constant pressure.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal
Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (3)
1. a kind of switch arrays circuit of changeable access diverse location battery, including the sub- battery pack composition of several series connection
Battery pack, powered by digital power, it is characterised in that：Also include front passage on-off circuit, battery polar selection circuit, sampling
Circuit and single-chip microcomputer, the output end of the battery pack are connected with the first conduction terminal of the front passage on-off circuit, and front end leads to
Second conduction terminal of road on-off circuit electrically connects with the input of the battery polar selection circuit, the battery polar selection electricity
The output end on road also switchs electricity by sample circuit and described monolithic mechatronics, the single-chip microcomputer with described front passage
The control terminal connection on road, conduction terminal of the single-chip microcomputer also with described battery polar selection circuit are connected；Every sub- battery pack
Include a corresponding signal circuit and two minimum on-off circuits, input and the numeral electricity of the minimum on-off circuit
Source electrically connects, and a conduction terminal of the minimum on-off circuit is connected with a pole of sub- battery pack, minimum on-off circuit it is another
Conduction terminal is connected with the input of battery polar selection circuit, the output end of minimum on-off circuit and the signal circuit
Input connects, and the control terminal of the signal circuit connects single-chip microcomputer, single-chip microcomputer control front passage on-off circuit make its with
Anyon battery pack electrical connection in battery pack, single-chip microcomputer control battery polar selection circuit make it export battery polar holding not
Become, then sampling circuit samples cell voltage and send single-chip microcomputer to, the minimum on-off circuit include resistance R3, resistance R4,
Resistance R5, resistance R6 FETs Q7, FET Q8, diode D1 and triode Q25, resistance R6 one end and triode Q25
Base stage connection, the resistance R6 other ends be connecteds with triode Q25 emitter stage, and triode Q25 emitter stage and digital power is electric
Connection, resistance R3 one end are connected with triode Q25 base stage, and the resistance R3 other end is passed by diode D1 and the signal
Transmit electricity the input connection on road, the colelctor electrode of the triode Q25 passes through resistance the R5 grid with FET Q7, resistance respectively
R4 one end connects with FET Q8 grid, and the resistance R4 other end divides source electrode and FET with FET Q7
Q8 source electrode connection, FET Q7 drain electrode connect with a pole of corresponding sub- battery pack, FET Q8 drain electrode and institute
State the input connection of signal circuit, the signal circuit includes triode Q1, resistance R1 and resistance R2, and described three
Pole pipe Q1 colelctor electrode is connected with the diode D1 of minimum on-off circuit, and triode Q1 base stage is connected with single-chip microcomputer, triode
Q1 emitter stage is grounded by resistance R1, and resistance is connected between triode Q1 base stage and the triode Q1 emitter stage
R2。
2. the switch arrays circuit of changeable access diverse location battery according to claim 1, it is characterised in that：It is described
Minimum on-off circuit is multiplex circuit, and the output end of each minimum on-off circuit is also defeated with the adjacent signal circuit
Enter end connection.
3. the switch arrays circuit of changeable access diverse location battery according to claim 1, it is characterised in that：Battery
Polarity selecting circuit includes circuit structure identical positive polarity selection circuit and negative polarity selection circuit, the positive pole Sexual behavior mode electricity
Road input is connected with the output end of front passage on-off circuit, and the positive polarity selection circuit output end is cathode output end,
The negative polarity selection circuit input is connected with the output end of front passage on-off circuit, the negative polarity selection circuit output
Hold as cathode output end, the negative polarity selection circuit include resistance R39, resistance R43, resistance R46, resistance R44, resistance R45,
Resistance R47, resistance R48, resistance R42, resistance R41, resistance R40, triode Q33, triode Q35, triode Q34 and triode
Q6, FET Q23, FET Q24, FET Q19, FET Q22, the resistance R39 first ends respectively with field
The grid connection of effect pipe Q19 grid and FET Q22, the ends of resistance R39 second are respectively with FET Q19's
Source electrode and FET Q22 source electrode connect, FET Q19 drain electrode and an output end of front passage on-off circuit
Connection, FET Q22 drain electrode is cathode output end, the resistance R43 first ends respectively with FET Q23 grid with
And FET Q24 grid connection, the ends of resistance R43 second source electrode and FET with FET Q23 respectively
Q24 source electrode connection, FET Q23 drain electrode are connected with another output end of front passage on-off circuit, FET
Q24 drain electrode is cathode output end, and FET Q24 grid is the conversion signal of conversion conducting orifice and positive polarity selection circuit
Delivery outlet is connected, and the colelctor electrode of the triode Q33 is connected with FET Q19 grid, and triode Q33 emitter stage passes through
Resistance R44 is connected with triode Q34 colelctor electrode, and triode Q33 base stage is grounded by resistance R46, triode Q34 current collection
Resistance R45, the triode Q35 current collection extremely negative polarity selection circuit are connected between pole and triode Q33 base stage
Conversion signal delivery outlet, the conversion signal delivery outlet of negative polarity selection circuit connect with the conversion conducting orifice of positive polarity selection circuit
Connect, triode Q35 emitter stage is connected by resistance R48 with triode Q34 colelctor electrode, and triode Q35 base stage passes through electricity
R46 ground connection is hindered, resistance R47, triode Q34 transmitting are connected between triode Q34 colelctor electrode and triode Q35 base stage
Pole is connected with digital power, and triode Q34 base stage is electrically connected by resistance R42 with digital power, triode Q34 base stage with
Triode Q6 colelctor electrode connection, triode Q6 emitter stage are grounded by resistance R40, and triode Q6 emitter stage passes through resistance
R41 is connected with triode Q6 base stage, and triode Q6 base stage electrically connects with single-chip microcomputer input/output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410552810.8A CN105446208B (en) | 2014-10-17 | 2014-10-17 | The switch arrays circuit of changeable access diverse location battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410552810.8A CN105446208B (en) | 2014-10-17 | 2014-10-17 | The switch arrays circuit of changeable access diverse location battery |
Publications (2)
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| CN105446208A CN105446208A (en) | 2016-03-30 |
| CN105446208B true CN105446208B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410552810.8A Expired - Fee Related CN105446208B (en) | 2014-10-17 | 2014-10-17 | The switch arrays circuit of changeable access diverse location battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107783029B (en) * | 2017-11-17 | 2023-11-03 | 深圳市太美亚电子科技有限公司 | Test system and test method for PCBA (printed circuit board assembly) |
| CN116455377A (en) * | 2023-04-12 | 2023-07-18 | 宁波阔野科技有限公司 | Switch array driving circuit |
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| CN103779889A (en) * | 2013-11-06 | 2014-05-07 | 江苏华富储能新技术股份有限公司 | Equalization circuit for battery pack |
| CN203759127U (en) * | 2014-02-25 | 2014-08-06 | 中航锂电（洛阳）有限公司 | Device for measuring single-cell battery internal resistance in equalization processes |
| CN204331350U (en) * | 2014-10-17 | 2015-05-13 | 浙江万向亿能动力电池有限公司 | The switch arrays circuit of changeable access diverse location battery |
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2014
- 2014-10-17 CN CN201410552810.8A patent/CN105446208B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181100B1 (en) * | 1998-04-01 | 2001-01-30 | Toyo System Co., Ltd. | Power supply apparatus for charging and discharging battery with high energy efficiency |
| CN102118041A (en) * | 2009-12-30 | 2011-07-06 | 深圳市比克电池有限公司 | Equalization charging method, equalization charging circuit and power supply device |
| CN102270862A (en) * | 2011-02-24 | 2011-12-07 | 上海瑞华(集团)有限公司 | Vehicle-mounted battery management system having bidirectional and automatic balance |
| CN102520339A (en) * | 2011-12-30 | 2012-06-27 | 常州工学院 | Circuit board testing system |
| CN102664433A (en) * | 2012-03-23 | 2012-09-12 | 东莞新能德科技有限公司 | Cell equalization system based on bidirectional DC/DC |
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| CN204331350U (en) * | 2014-10-17 | 2015-05-13 | 浙江万向亿能动力电池有限公司 | The switch arrays circuit of changeable access diverse location battery |
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| Publication number | Publication date |
|---|---|
| CN105446208A (en) | 2016-03-30 |
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