CN106405169A - Adjustable power source system used for battery management system to test and simulate battery single cell voltage - Google Patents
Adjustable power source system used for battery management system to test and simulate battery single cell voltage Download PDFInfo
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- CN106405169A CN106405169A CN201610786364.6A CN201610786364A CN106405169A CN 106405169 A CN106405169 A CN 106405169A CN 201610786364 A CN201610786364 A CN 201610786364A CN 106405169 A CN106405169 A CN 106405169A
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- output
- voltage
- ldo
- power source
- adjustable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an adjustable power source system used for a battery management system to test and simulate battery single cell voltage. The adjustable power source system is used for simulating electrical core voltage output as high as 24S with single cell voltage output ranging from 0 to 5 V and a maximum output current reaching 800 mA. Voltage output is adjusted via a turn button type adjustable resistor, voltage input is 220 VAC, 24 independent strings of 8 VACs are obtained via conversion conducted through a tapped voltage transformer, a 7 VDC is output via a bridge type rectification circuit, 7 V voltage is input voltage of an adjustable LDO, LDO output is used for controlling output voltage via adjustment of the adjustable resistor, output of a first LDO is a basis ground for a second LDO, the rest can be done in the same manner, and a 24S adjustable simulated power source can be formed. Circuits in the adjustable power source system are simple and can be easily realized, voltage output of a plurality strings of electric cores can be simulated, and output voltage can be adjusted; compared with a conventional multi-string adjustable power source, the adjustable power source is advantaged by great functions and low cost.
Description
Technical field
The invention belongs to battery management system field tests, it is especially for battery management system test simulation battery
The regulated power supply system of monomer voltage.
Background technology
Because battery management system debugs the demand of voltage acquisition function, on market, many string regulated power supplies are difficult to meet up to
The requirement of 24S, and if going debugging with battery, the change for monomer voltage is difficult to control, and if specially customized up to 24
String regulated power supply, expense is than larger.
Content of the invention
In view of this, it is contemplated that proposing a kind of adjustable for battery management system test simulation battery cell voltage
Power-supply system, for the circuit of test simulation up to 24S battery core voltage output.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
A kind of regulated power supply system for battery management system test simulation battery cell voltage, including several successively
The output circuit of series connection, described output circuit includes LDO module, and the input of described LDO module connects current rectifying and wave filtering circuit
Output end, the benchmark ground terminal of described LDO connects output adjustment unit, and the output end of described LDO connects partial pressure feedback circuit, partial pressure
Feedback circuit Parallel opertation filtering voltage regulation unit, the midpoint of described partial pressure feedback circuit connects the benchmark ground terminal of LDO module, described
The input of filter rectifier connects the output end of tapped transformer, and the input of tapped transformer connects AC power.
Further, described current rectifying and wave filtering circuit includes bridge rectifier and filter capacitor.
Further, described output adjustment unit is adjustable resistance.
Further, described partial pressure feedback circuit includes two series resistances.
With respect to prior art, of the present invention adjustable for battery management system test simulation battery cell voltage
Power-supply system has the advantage that：The system circuit is simply easily realized, and can simulate many string battery core voltage outputs, output voltage can
Adjust, low cost more powerful than existing many string regulated power supply functions.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the regulated power supply system described in the embodiment of the present invention for battery management system test simulation battery cell voltage
The structural representation that the ac input division of system divides；
Fig. 2 is the structural representation of the system simulation cell voltage output par, c described in the embodiment of the present invention.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can
To express or to implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1, 2, Fig. 1 divides for ac input division, and Fig. 2 is the output circuit of two connections, for realizing test simulation
Many string battery core voltage outputs, devise the adjustable electric for battery management system test simulation battery cell voltage of the present embodiment
220VAC is transformed into several 8VAC by tapped transformer by origin system circuit diagram, then through bridge rectifier, filtered electrical
Hold and carry out rectifying and wave-filtering, eliminate noise, in Fig. 2, filter capacitor is super capacitor C1, C3, connects LDO by filter capacitor afterwards
The input of module, the benchmark ground terminal of LDO module connects output adjustment unit, and in Fig. 2, output adjustment unit is adjustable rheostat
R1, R2, LDO module output end connect output feedback unit, in Fig. 2, output feedback unit includes feeding back electricity with the partial pressure of R4
Road and the partial pressure feedback circuit of R5 and R3, export feedback unit Parallel opertation filtering voltage regulation unit again, export filtering voltage regulation in Fig. 2
Unit is super capacitor C2, C4, and described super capacitor C1 positive pole and LDO input pin1 and be connected, the benchmark pin2 of LDO with adjustable
The pin1 of resistance connects, and the midpoint of partial pressure feedback circuit that R3 is formed with R5 is connected with the pin2 of LDO, exports filtering voltage regulation unit
C2 is in parallel with the series circuit of R5 with R3, and single output unit is sequentially connected in series whole system.
Described filter unit super capacitor C1, C3 are connected with cell input/output terminal, C5, C7 and another string monomer
Battery input/output terminal connects, and by that analogy, by adjusting knob formula adjustable resistance, realizes different string number monomer battery voltages defeated
Go out.
The present invention is powered by 220VAC, by tapped transformer, exports 24 groups of independent exchange 8VAC voltages, Ran Houtong
Over commutation filter circuit, current rectifying and wave filtering circuit exports DC voltage, and U is straight=and 0.9 × U hands over, and connects LDO mould after output 7VDC voltage
Block, by LDO module, will input 7V voltage output is adjustable DC voltage between 0～5, and they is connected, thus realizing
The purpose of simulated battery series connection, can simulate many string battery core voltage outputs.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of regulated power supply system for battery management system test simulation battery cell voltage it is characterised in that：Including
Several output circuits being sequentially connected in series, described output circuit includes LDO module, and the input of described LDO module connects rectification
The output end of filter circuit, the benchmark ground terminal of described LDO connects output adjustment unit, and the output end connection partial pressure of described LDO is anti-
Current feed circuit, partial pressure feedback circuit Parallel opertation filtering voltage regulation unit, the midpoint of described partial pressure feedback circuit connects the base of LDO module
Quasi- ground terminal, the input of described filter rectifier connects the output end of tapped transformer, and the input of tapped transformer connects
AC power.
2. a kind of regulated power supply system for battery management system test simulation battery cell voltage according to claim 1
System it is characterised in that：Described current rectifying and wave filtering circuit includes bridge rectifier and filter capacitor.
3. a kind of regulated power supply system for battery management system test simulation battery cell voltage according to claim 1
System it is characterised in that：Described output adjustment unit is adjustable resistance.
4. a kind of regulated power supply system for battery management system test simulation battery cell voltage according to claim 1
System it is characterised in that：Described partial pressure feedback circuit includes two series resistances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786364.6A CN106405169A (en) | 2016-08-31 | 2016-08-31 | Adjustable power source system used for battery management system to test and simulate battery single cell voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786364.6A CN106405169A (en) | 2016-08-31 | 2016-08-31 | Adjustable power source system used for battery management system to test and simulate battery single cell voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405169A true CN106405169A (en) | 2017-02-15 |
Family
ID=58000383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610786364.6A Pending CN106405169A (en) | 2016-08-31 | 2016-08-31 | Adjustable power source system used for battery management system to test and simulate battery single cell voltage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193312A (en) * | 2017-06-26 | 2017-09-22 | 北京智行鸿远汽车有限公司 | A kind of single battery core analogue means |
| CN107315154A (en) * | 2017-07-18 | 2017-11-03 | 上海沪歌智能科技有限公司 | A kind of battery data logging device battery voltage analog device |
| CN107479604A (en) * | 2017-07-24 | 2017-12-15 | 安徽力高新能源技术有限公司 | A kind of high precision closed loop feedback analog battery system |
| CN118244137A (en) * | 2024-05-06 | 2024-06-25 | 深圳市华芯控股有限公司 | Stacked battery simulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193312A (en) * | 2017-06-26 | 2017-09-22 | 北京智行鸿远汽车有限公司 | A kind of single battery core analogue means |
| CN107193312B (en) * | 2017-06-26 | 2018-10-26 | 北京智行鸿远汽车有限公司 | A kind of list battery core simulator |
| CN107315154A (en) * | 2017-07-18 | 2017-11-03 | 上海沪歌智能科技有限公司 | A kind of battery data logging device battery voltage analog device |
| CN107479604A (en) * | 2017-07-24 | 2017-12-15 | 安徽力高新能源技术有限公司 | A kind of high precision closed loop feedback analog battery system |
| CN118244137A (en) * | 2024-05-06 | 2024-06-25 | 深圳市华芯控股有限公司 | Stacked battery simulator |
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Application publication date: 20170215 |
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