CN102590680A - Intelligent power supply capable of simulating characteristics of true battery - Google Patents
Intelligent power supply capable of simulating characteristics of true battery Download PDFInfo
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- CN102590680A CN102590680A CN2012100502494A CN201210050249A CN102590680A CN 102590680 A CN102590680 A CN 102590680A CN 2012100502494 A CN2012100502494 A CN 2012100502494A CN 201210050249 A CN201210050249 A CN 201210050249A CN 102590680 A CN102590680 A CN 102590680A
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Abstract
The invention provides an intelligent power supply capable of simulating characteristics of a true battery, which is characterized by comprising a battery model establish module, a central processor, a remote control power supply module, a detection module and a power supply output interface. The battery model establish module is used for establishing a battery model based on interrelations among voltage, current, electric quantity, internal resistance, temperature and aging time. The detection module is used for detecting the voltage, current, electric quantity and temperature parameters of the remote control power supply module and inputs the detected parameters to the central processor. The central processor is used for supplying power to the remote control power supply module through model function established in the battery model establish module according to the parameters input by the detection module and setting the parameter of aging time of the battery. The remote control power supply module is used for outputting corresponding voltage and current according to the control of the central processor, and the power supply outlet interface is used to transfer the voltage and current output by the remote control power supply module to a load.
Description
Technical field
The present invention relates to intelligent power, but particularly a kind of intelligent power of simulates real battery behavior.
Background technology
In today of electronic product fast updating, the speed of Product Renewal is more and more faster, leaves the time of product development for and lacks more, and good testing tool can shorten research and development and test period greatly, strives for valuable time to launch.In the electronic product performance history, the power supply test equipment developing instrument that is absolutely necessary is widely used in our exploitation, test, the production run.When the product that give to use battery with the power-supply device simulated battery such as mobile phone were supplied power, we claimed that usually power-supply device is " a false battery ".Present power-supply device generally all can only be exported with fixed voltage value according to user's settings; Be source of stable pressure; But parameters such as the voltage of in fact true battery, electric weight, internal resistance all can be along with factor generation real-time change such as battery charging and discharging electric current, environment temperature etc., aging number of times; For exploitation, tester; Present stabilized voltage supply can not the simulates real battery these characteristics; Thereby some problems that product may occur in the time of can not exposing with true battery or the cycle that needs are grown during with true battery testing, the development and testing personnel urgently hope to occur a kind of can the simulates real cell voltage, the power supply of characteristics such as electric weight, internal resistance, temperature, make things convenient for Products Development to debug.
Summary of the invention
Fundamental purpose of the present invention is providing the parameters such as a kind of voltage, electric weight, internal resistance that can the simulates real battery all can be along with the power-supply device of factor dynamic changes such as battery charging and discharging electric current, environment temperature etc., aging number of times.
Be to realize the foregoing invention purpose, but the present invention proposes a kind of intelligent power of simulates real battery behavior, it is characterized in that, this intelligent power comprises that battery model sets up module, central processing unit, programmable power supply module, detection module and power output interface;
Said battery model is set up module; On curve, find starting point with initial voltage or electric weight when being used to discharge; Detect discharge electricity amount Δ Q according to the electric weight detection module; Find new Vore value according to curved line relation, control the external output voltage V out of said programmable power supply module according to Vout=Vcore-I*R then; During charging: on curve, find starting point with initial voltage or electric weight; Detect charge capacity Δ Q according to the electric weight detection module; Find new Vore value according to curved line relation, control the external output voltage V out of said programmable power supply module according to Vout=Vcore+I*R then;
Said detection module is used to detect voltage, electric current, electric weight and the temperature parameter of said programmable power supply module; And input to said central processing unit to detected parameter;
Said central processing unit is used for the parameter according to said detection module input, utilizes said battery model to set up the pattern function of setting up in the module and comes to supply power to said programmable power supply module, and be used to be provided with cell degradation number of times parameter;
Said programmable power supply module is used for output correspondent voltage and electric current according to said central processing unit control;
Said power output interface is used for transferring to load to the voltage and current of said programmable power supply module output.
More preferably, this intelligent power also comprises storer.
More preferably, said detection module comprises voltage detection unit, current detecting unit, electric weight detecting unit and temperature detecting unit.
More preferably, this intelligent power also comprises the interface communication interface that is used to intelligent power and external device data transmission.
More preferably, said communication interface is USB, serial ports or network interface.
More preferably, this intelligent power also comprises the display of the state, voltage, electric weight, temperature and the current information that are used to show intelligent power.
More preferably, this intelligent power also comprises input equipment.
More preferably, said input equipment is physical button or touch-screen.
The invention has the advantages that; But but the intelligent power simulated battery internal resistance of a kind of simulates real battery behavior that the present invention proposes is to output voltage influence; Cell voltage when Vcore is the battery zero load; R is the power brick internal resistance, and I is a discharge current, and output voltage was V=Vcore-I*R after the battery band carried so.But simulated battery electric weight, voltage with charging and discharging currents, discharge and recharge the change of time relation; During charge or discharge; Electric weight detection accumulative total charge or discharge electric weight also reports CPU, and CPU dynamically adjusts output voltage according to the electric weight in the battery model, voltage relationship; Slowly descend so show as cell voltage during discharge, show as cell voltage during charging and slowly rise.Can simulate the influence of aging number of times to battery behavior, when initial parameter is set, the cell degradation number of times can be set, CPU can call the battery model of corresponding aging number of times.Aging number of times can show as the relationship change etc. of variation, cell voltage and the electric weight of internal resistance to the influence of battery behavior.But analog temperature can be provided with environment temperature to the influence of battery behavior when initial parameter is set, CPU can call the battery model of respective environment temperature.Temperature can show as the relationship change etc. of variation, cell voltage and the electric weight of internal resistance to the influence of battery behavior.
Description of drawings
But Fig. 1 is the intelligent power technical scheme module map of a kind of simulates real battery behavior of the present invention's proposition.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is carried out further detailed explanation.
As shown in Figure 1, but Fig. 1 is the intelligent power technical scheme module map of a kind of simulates real battery behavior of the present invention's proposition.As can beappreciated from fig. 1, but the intelligent power of a kind of simulates real battery behavior that the present invention proposes comprise: central processing unit, programmable power supply module, detection module, battery model are set up module and power output interface; Said battery model is set up module and is linked to each other with said central processing unit; Said central processing unit links to each other with the input end of said programmable power supply module; Said programmable power supply module output terminal links to each other with said detection module input end, and the detection module output terminal links to each other with said power output interface; Said detection module the 3rd end links to each other with said central processing unit.This intelligent power also comprises the communication interface that is used for external device transmission data; Said communication interface links to each other with said central processing unit.This intelligent power also comprises the display that links to each other with said central processing unit.This intelligent power also comprises the storer that links to each other with said central processing unit.This intelligent power also comprises the keyboard that links to each other with said central processing unit.Detection module comprises voltage detection unit, current detecting unit, electric weight detecting unit and temperature detecting unit.
The principle of present technique scheme: battery model is set up module and earlier each battery is set up battery model; Battery model comprises the mutual relationship between voltage, electric current, electric weight, internal resistance, temperature, the aging number of times; And model deposited in the memory device of intelligent power; When using intelligent power, only need to select corresponding battery model, starting condition such as voltage, internal resistance, temperature, aging number of times are set after; Intelligent power can externally be supplied power by the simulated battery model characteristics, and characteristics such as output voltage, electric weight can be along with factor generation real-time change such as charging and discharging currents, environment temperature, aging number of times.
Central processing unit: be controller, be responsible for the control of entire equipment;
Communication interface: the interface for intelligent power and external device data transmission can be USB, serial ports, network interface etc.;
Display: be the display unit of equipment, but information such as the state of display device, voltage, electric weight;
Storer: be the storage unit of equipment;
Keyboard: be the manual input unit of equipment, can be physical button or touch-screen;
The programmable power supply module: for receiving the power module of central processing unit control, characteristics such as voltage, electric current can be controlled by central processing unit;
Voltage detecting: be the detection module of power supply output channel, be responsible for the detection of output voltage;
Current detecting: be the detection module of power supply output channel, be responsible for the detection of output current;
Electric weight detects: be the detection module of power supply output channel, be responsible for the power consumption or the charging power consumption of metering external electric equipment, and give central processing unit with this information feedback.
The roughly workflow of present technique scheme is following:
1, on computers, with kit software development battery model, there is the battery model of acquiescence to supply to call and can carry out edit-modify (, can skip this step) according to actual needs in the tool software as directly calling battery model built-in in the power supply;
2, through communication interface the battery model Parameter File is copied in the inner storer of power supply (as directly calling battery model built-in in the power supply, can skip this step);
The correlation parameter of the battery size that 3, need call through the keyboard selection;
4, through some initial parameters of keyboard to set up battery, like current cell voltage, electric weight, aging number of times, environment temperature etc.;
5, connect power supply and consumer, open the output switch, power supply gets final product the correlation properties of simulates real battery and supplies power to consumer, and the dynamic change meeting of correlation properties shows on display screen.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is specified with reference to embodiment; Those of ordinary skill in the art is to be understood that; Technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. but the intelligent power of a simulates real battery behavior is characterized in that, this intelligent power comprises that battery model sets up module, central processing unit, programmable power supply module, detection module and power output interface;
Said battery model is set up module; On curve, find starting point with initial voltage or electric weight when being used to discharge; Detect discharge electricity amount Δ Q according to the electric weight detection module; Find new Vore value according to curved line relation, control the external output voltage V out of said programmable power supply module according to Vout=Vcore-I*R then; During charging: on curve, find starting point with initial voltage or electric weight; Detect charge capacity Δ Q according to the electric weight detection module; Find new Vore value according to curved line relation, control the external output voltage V out of said programmable power supply module according to Vout=Vcore+I*R then;
Said detection module is used to detect voltage, electric current, electric weight and the temperature parameter of said programmable power supply module; And input to said central processing unit to detected parameter;
Said central processing unit is used for the parameter according to said detection module input, utilizes said battery model to set up the pattern function of setting up in the module and comes to supply power to said programmable power supply module, and be used to be provided with cell degradation number of times parameter;
Said programmable power supply module is used for output correspondent voltage and electric current according to said central processing unit control;
Said power output interface is used for transferring to load to the voltage and current of said programmable power supply module output.
2. but the intelligent power of a kind of simulates real battery behavior according to claim 1 is characterized in that, this intelligent power also comprises storer.
3. but the intelligent power of a kind of simulates real battery behavior according to claim 1 and 2 is characterized in that, said detection module comprises voltage detection unit, current detecting unit, electric weight detecting unit and temperature detecting unit.
4. but the intelligent power of a kind of simulates real battery behavior according to claim 1 and 2 is characterized in that, this intelligent power also comprises the interface communication interface that is used to intelligent power and external device data transmission.
5. but the intelligent power of a kind of simulates real battery behavior according to claim 4 is characterized in that, said communication interface is USB, serial ports or network interface.
6. but the intelligent power of a kind of simulates real battery behavior according to claim 1 and 2 is characterized in that, this intelligent power also comprises the display of the state, voltage, electric weight, temperature and the current information that are used to show intelligent power.
7. but the intelligent power of a kind of simulates real battery behavior according to claim 1 and 2 is characterized in that, this intelligent power also comprises input equipment.
8. but the intelligent power of a kind of simulates real battery behavior according to claim 7 is characterized in that, said input equipment is physical button or touch-screen.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105006871A (en) * | 2015-08-26 | 2015-10-28 | 广东欧珀移动通信有限公司 | Method for simulating real battery charging process and device thereof |
| CN106771988A (en) * | 2017-03-08 | 2017-05-31 | 环鸿电子（昆山）有限公司 | A kind of charging-discharge tester system and method |
| CN108241125A (en) * | 2016-12-23 | 2018-07-03 | 大唐移动通信设备有限公司 | A kind of simulated battery |
| CN109116252A (en) * | 2018-08-24 | 2019-01-01 | 重庆雅讯电源技术有限公司 | battery data generating device |
| CN109828205A (en) * | 2019-03-15 | 2019-05-31 | 湖南工业大学 | A kind of given method of the output voltage of power battery simulation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105006871A (en) * | 2015-08-26 | 2015-10-28 | 广东欧珀移动通信有限公司 | Method for simulating real battery charging process and device thereof |
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| CN109828205A (en) * | 2019-03-15 | 2019-05-31 | 湖南工业大学 | A kind of given method of the output voltage of power battery simulation system |
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Application publication date: 20120718 |