The content of the invention
Present invention aims at a kind of dc source burn-in test process is provided, power cycles are used, and effectively reduce energy consumptionDc source aging testing system and its method.
To achieve these goals, a kind of dc source aging testing system that the present invention is provided, including electrically connect successivelyExternal power source, charger, dc source, the external load connect, the storage being electrically connected with respectively with the charger and direct power supplyCan module, the monitoring control being electrically connected with respectively with the external power source, charger, dc source, external load and energy-storage moduleMolding block；The energy-storage module can give direct power source charges, and the electricity of dc source release can also be stored as depletion loadEnergy；The monitoring and controlling module is used to detect the electric of external power source, charger, dc source, external load and energy-storage moduleThe test process of characteristic and control system.
As the improvement of above-mentioned technical proposal, in addition to respectively with the dc source, energy-storage module be electrically connected with putElectric module, the discharge module is used to constant current, constant-resistance or invariable power mode discharge dc source to energy-storage module, and describedDischarge module is electrically connected with monitoring and controlling module.
Further, in addition to respectively the charging module being electrically connected with the dc source and energy-storage module, it is described to fillElectric module is used for energy-storage module and charged with constant current or constant voltage mode to dc source, and the charging module and monitoring and controlling moduleIt is electrically connected with.
Further, the monitoring and controlling module also includes control unit, the charger of electric connection, dc source, outerConnect and switch is respectively equipped between load, energy-storage module, charging module and/or discharge module, monitoring and controlling module passes through control unitConnection disconnects the control that switch realizes discharge and recharge.
Selectively, the monitoring and controlling module also includes control unit, the charger of electric connection, dc source, outerConnect and switch is respectively equipped between load, energy-storage module and/or charging module, monitoring and controlling module connects on-off by control unitSwitch realizes the control of discharge and recharge.
Present invention also offers a kind of dc source ageing testing method, comprise the following steps：
(1) monitoring and controlling module gathers, monitored the electrical characteristics data of each part in dc source aging testing system,And select to dc source charge energy source:
When energy-storage module electric energy be more than or equal to setting lower electric energy threshold values when, by energy-storage module constitute energy source toDc source charges,
When the electric energy of energy-storage module is less than the lower electric energy threshold values of setting, by external power source and charging mechanism into energy sourceGive dc source charging；
(2) in dc source charging, all parts, the electrical characteristic number of module in monitoring and controlling module collection charging processAccording to, when the energy storage of dc source reaches upper setup parameter, monitoring and controlling module control under stop give dc source charging, directlyPower source charges are flowed to complete；
(3) dc source enters standing process, is stood according to the time of repose of setting；
(4) electrical characteristics data of monitoring and controlling module monitors dc source, when the electrical characteristic of dc source is in surelyRegularly, control dc source is discharged and selects dissipative load:
When the electric energy of energy-storage module is less than the upper electric energy threshold values of setting, by energy-storage module as dissipative load, by direct currentPower supply release electrical power storage into energy-storage module,
When the electric energy of energy-storage module is more than or equal to the upper electric energy threshold values of setting, stop electrical power storage to energy storage mouldBlock, changes by external load as dissipative load, the power consumption that dc source is released；
(5) in direct current power discharge, all parts, the electrical characteristic number of module in monitoring and controlling module collection discharge processAccording to when the energy storage of dc source reaches lower setup parameter, direct current power discharge terminates under the control of monitoring and controlling module；
(6) repeat the above steps, carry out dc source burn-in test.
As the improvement of the above method, discharge module is additionally provided with, in step (4), discharge module is by the electricity of dc sourceIt can be discharged with constant current, constant-resistance or invariable power mode to energy-storage module or external load.
As the improvement of the above method, charging module is additionally provided with, in step (2), by charging module and energy-storage module structureInto energy source to dc source constant current or constant-voltage charge.
Compared with prior art, dc source aging testing system of the present invention passes through monitoring and controlling module monitors electricity to the present inventionGas performance data is simultaneously controlled during dc source burn-in test, dc source most of power storage to energy-storage module,In dc source burn-in test charging process, energy-storage module gives direct-current power supply most of electric energy again；The present invention is straight simultaneouslyPower source aging method of testing is flowed by each part in monitoring and controlling module monitors whole process, the electrical characteristics data of module,And select the most of electric energy of control energy-storage module supply to dc source and dc source most of power storage to energy storage mouldIn block, realize whole power source aging test process power cycles and use, and then effectively reduce energy consumption.And it is big while energy-conservationWidth reduces the expense of dc source burn-in test.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeSite preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based onEmbodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not madeEmbodiment, belongs to the scope of protection of the invention.
It is shown in Figure 1, a kind of dc source aging testing system for providing of the present invention, including be electrically connected with successively it is outerPortion's power supply 1, charger 2, dc source 3, external load 4, the energy-storage module 6 being electrically connected with direct power supply 3, respectively with outsideThe monitoring and controlling module 5 that power supply 1, charger 2, dc source 3, external load 4 and energy-storage module 6 are electrically connected with.
Wherein, external power source is usually civil power.Charger is that exchange turns DC charging motor, typically turns the voltage range of direct currentIt is 12V-90V or 90V-600V, and is constant current or constant voltage mode charging.Dc source mainly has two classes as test object：OneClass is the battery pack (for example often section 3.7V battery series connection reaches setting voltage) that multiple batteries are spliced, this kind of commonplaceIt is also a kind of trend；Another kind of is DC battery jar.External load mainly has motor (electric energy is converted into mechanical energy power consumption), resistance(electric energy is converted into heat energy power consumption) and electronic load (electric energy is converted into heat energy power consumption) is general to be born from electronic load as externalCarry.Energy-storage module can give direct power source charges, and the electric energy of dc source release, energy storage mould can also be stored as depletion loadBlock can be DC battery jar or direct-flow storage battery (electric energy and chemical energy mutually turn), be certainly not limited to both, can be otherEnergy storage device or module.Monitoring and controlling module is used to detect external power source, charger, dc source, external load and energy storage mouldThe electrical characteristic of block and the test process of control system.
The present invention dc source ageing testing method the step of be：
(1) monitoring and controlling module gathers, monitored the electrical characteristics data of each part in dc source aging testing system,And select to dc source charge energy source:
When the electric energy of energy-storage module is more than or equal to the lower electric energy threshold values (such as the 10% of energy-storage module storing up electricity energy) of settingWhen, energy source is constituted by energy-storage module and charged to dc source,
When the electric energy of energy-storage module is less than the lower electric energy threshold values of setting, by external power source and charging mechanism into energy sourceGive dc source charging；
(2) in dc source charging, all parts, the electrical characteristic number of module in monitoring and controlling module collection charging processAccording to when the energy storage of dc source reaches upper setup parameter (such as monomer voltage reaches 4.2V), in the control of monitoring and controlling moduleUnder stop give dc source charging, dc source charging complete；
(3) dc source enters standing process, is stood according to the time of repose of setting；
(4) electrical characteristics data of monitoring and controlling module monitors dc source, when the electrical characteristic of dc source is in surelyRegularly, control dc source is discharged and selects dissipative load:
When the electric energy of energy-storage module is less than upper electric energy threshold values (such as the 95% of energy-storage module electric energy) of setting, by energy storageModule as dissipative load, the electrical power storage that dc source is released into energy-storage module,
When the electric energy of energy-storage module is more than or equal to the upper electric energy threshold values of setting, stop consumption electric energy, change by external negativeCarry as dissipative load, the power consumption that dc source is released；
(5) in direct current power discharge, all parts, the electrical characteristic number of module in monitoring and controlling module collection discharge processAccording to when the energy storage of dc source reaches lower setup parameter (such as monomer voltage reaches 3.2V), in the control of monitoring and controlling moduleLower direct current power discharge terminates；
(6) repeat the above steps, carry out dc source burn-in test.
Specifically, monitoring and controlling module realizes the control to charge and discharge process by control unit and switch.Refer to Fig. 1 institutesShow, monitoring and controlling module sends charging instruction, it is every in the collection of (1) monitoring and controlling module, monitoring dc source aging testing systemThe electrical characteristics data of individual part, and select the energy source to dc source charging:
When the electric energy of energy-storage module is more than or equal to the lower electric energy threshold values of setting, control unit closure switch S3, by storing upEnergy module composition energy source gives dc source to charge；
When the electric energy of energy-storage module is less than the lower electric energy threshold values of setting, control unit disconnects switch S3 and closure switch S1Charged by external power source with charging mechanism into energy source to dc source.
(2) in dc source charging, all parts, the electrical characteristic number of module in monitoring and controlling module collection charging processAccording to when the energy storage of dc source reaches upper setup parameter, execution unit disconnects switch S1 under the control of monitoring and controlling module, stopsOnly charged to dc source, dc source charging complete.
(3) dc source enters standing process, is stood according to the time of repose of setting
(4) electrical characteristics data of monitoring and controlling module monitors dc source, when the electrical characteristic of dc source is in surelyRegularly, control dc source is discharged and selects dissipative load:
When the electric energy of energy-storage module is less than the upper electric energy threshold values of setting, control unit closure switch S4, energy-storage module is madeFor dissipative load, the electrical power storage that dc source is released into energy-storage module,
When the electric energy of energy-storage module is more than or equal to the upper electric energy threshold values of setting, control unit disconnects switch S4 and closedSwitch S2, by external load as dissipative load, the power consumption that dc source is released；
(5) in direct current power discharge, all parts, the electrical characteristic number of module in monitoring and controlling module collection discharge processAccording to when the energy storage of dc source reaches lower setup parameter, execution unit disconnects switch S2 under the control of monitoring and controlling module, directlyStream corona discharge terminates.
It is above-mentioned be monitoring and controlling module in charge and discharge process monitoring and control mode, certain monitoring and controlling module is simultaneouslyIt is not limited to, by control unit and switch control charge and discharge process, to realize by other control modes.
Dc source aging testing system of the present invention is by monitoring and controlling module monitors electrical characteristics data and controls straightFlow in power source aging test process, dc source charged most of power storage to energy-storage module in power source aging testCheng Zhong, energy-storage module gives direct-current power supply most of electric energy again；Dc source ageing testing method of the present invention passes through prison simultaneouslyEach part, the electrical characteristics data of module in control module monitoring whole process are surveyed, and selects control energy-storage module supply bigPart electric energy, into energy-storage module, realizes whole power source aging and surveyed to dc source and the most of power storage of dc source handleExamination process power cycles are used, and then effectively reduce energy consumption.And dc source burn-in test is greatly reduced while energy-conservationExpense.
On the basis of above-described embodiment, as shown in figure 1, a kind of dc source aging testing system of the invention also includes dividingThe discharge module 8 not being electrically connected with dc source 3, energy-storage module 6, discharge module 8 is electrically connected with monitoring and controlling module 5,Discharge module under the monitoring and controlling of monitoring and controlling module be used for by dc source with constant current, constant-resistance or invariable power mode discharge toEnergy-storage module, specifically as shown in figure 1, monitoring and controlling module by control unit closure switch S4 or S2 select energy-storage module orExternal load is loaded as energy consumption, or disconnecting S4 or S2 terminates direct current power discharge.Dc source can be so tested to existDischarge characteristic curve under the conditions of constant current, invariable power or constant-resistance.This is also the purpose of dc source burn-in test.
On the basis of above-described embodiment, as shown in figure 1, a kind of dc source aging testing system of the invention also includes dividingThe charging module 7 not being electrically connected with dc source 3 and energy-storage module 6, charging module 7 is electrically connected with monitoring and controlling module 5,Charging module is used for external power source and charged with constant current or constant voltage mode to dc source, ensures that energy-storage module is pressed by charging moduleCharged according to constant current or constant voltage mode to dc source.
Above disclosed is only presently preferred embodiments of the present invention, can not limit the right of the present invention with this certainlyScope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.