CN105866692A - Battery energy efficiency test device and test method - Google Patents
Battery energy efficiency test device and test method Download PDFInfo
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- CN105866692A CN105866692A CN201610195265.0A CN201610195265A CN105866692A CN 105866692 A CN105866692 A CN 105866692A CN 201610195265 A CN201610195265 A CN 201610195265A CN 105866692 A CN105866692 A CN 105866692A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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Abstract
The invention provides a battery energy test device and test method. The battery energy test device and test method are easy to operate and high in reliability and can test the energy efficiency of a battery so as to provide theoretical data for the design and optimization of the battery. Besides, the battery energy efficiency test device and test method can be used for testing the energy storage efficiency of the battery to be tested and can also be used for testing the charging efficiency and the discharging efficiency of the battery to be tested. The requirement for the improvement of the charging process, the discharging process or the charging and discharging process of the battery is clear according to the tested charging efficiency and the discharging efficiency of the battery to be tested in the process that the energy storage efficiency of the battery is low and requires optimization and improvement.
Description
Technical field
The present invention relates to battery detecting technology, particularly relate to a kind of energy content of battery efficiency test device and test
Method.
Background technology
Battery is equivalent to a kind of secondary power supply, and it can be changed into extraneous electric energy the chemical energy of inside battery,
Chemical energy can be transformed into electric energy again when of needs to discharge.The energy efficiency of battery includes charging
Efficiency, discharging efficiency and energy storage efficiency.Wherein, charge efficiency represents that the electric energy obtained is changed by battery
Ability for the chemical energy of inside battery；Discharging efficiency represents that the chemical energy that it is internal is changed into electricity by battery
The ability of energy.And energy storage efficiency refers to what battery discharged when being filled with the electricity of battery when charging with electric discharge
The ratio of electricity.
Set of cells as the key components of electric automobile, how reasonable employment battery, improve its energy
Efficiency is that electric automobile develops the difficult problem that must solve further.
At present, in the battery for electric vehicle standard of domestic current, energy efficiency is not formulated and specifically want
Ask.But it is possible to the difference of amount efficiency, capacity and life-span to battery for electric vehicle have a certain impact,
Especially battery for electric vehicle runs in the case of deep discharge or under incomplete charged state, right
Its aging effects is bigger.Therefore, it is highly desirable to seek a kind of simple to operate, highly reliable energy dose-effect
Rate test device and method of testing.
Summary of the invention
The present invention provides a kind of simple to operate, highly reliable energy efficiency test device and method of testing.
One aspect of the present invention provides a kind of energy efficiency test device, including: charge circuit, discharge loop
And control circuit, above-mentioned control circuit is connected respectively with above-mentioned charge circuit and above-mentioned discharge loop；
Above-mentioned charge circuit and above-mentioned discharge loop are connected with mesuring battary and AC network respectively；
It is above-mentioned mesuring battary that above-mentioned control circuit is used for controlling above-mentioned charge circuit by above-mentioned AC network
Charging, and above-mentioned charge circuit charging voltage in charging process and charging current are detected,
Charge efficiency to above-mentioned mesuring battary；
Above-mentioned control circuit is additionally operable to control above-mentioned discharge loop by above-mentioned mesuring battary to above-mentioned alternating current
Net electric discharge, and above-mentioned discharge loop discharge voltage in discharge process and discharge current are detected,
Obtain the discharging efficiency of above-mentioned mesuring battary；
Above-mentioned control circuit is additionally operable to, according to above-mentioned charge efficiency and above-mentioned discharging efficiency, obtain above-mentioned to be measured
The energy storage efficiency of battery.
Further, above-mentioned charge circuit includes: AC transformation module, rectification module, the first filtering mould
Block, the first DC voltage adjusting module, above-mentioned AC transformation module, above-mentioned rectification module, above-mentioned first
Filtration module, above-mentioned first DC voltage adjusting module are connected to above-mentioned AC network and above-mentioned to be measured in turn
Between battery；
Above-mentioned AC transformation module, for being transformed to low pressure by the High Level AC Voltage that above-mentioned AC network exports
Alternating current；
Above-mentioned rectification module, for being converted into unidirectional current by above-mentioned low-voltage AC；
Above-mentioned first filtration module, for filtering the AC compounent in above-mentioned unidirectional current；
Above-mentioned first DC voltage adjusting module, for turning above-mentioned unidirectional current under the control of control circuit
Become above-mentioned charge circuit charging voltage in charging process.
Further, above-mentioned discharge loop includes: the second filtration module, the second DC voltage adjusting module,
Inversion module；Above-mentioned second filtration module, above-mentioned second DC voltage adjusting module, above-mentioned inversion module
It is connected in turn between above-mentioned mesuring battary and above-mentioned AC network；
Above-mentioned second filtration module, for filtering in the unidirectional current released in above-mentioned mesuring battary discharge process
AC compounent；
Above-mentioned second DC voltage adjusts, for being changed into by above-mentioned unidirectional current under the control of control circuit
Above-mentioned discharge loop discharge voltage in discharge process；
Above-mentioned inversion module, for being changed into alternating current by above-mentioned discharge voltage.
Further, above-mentioned control circuit includes: processing module, driving module, detection module；
Above-mentioned driving module, respectively with above-mentioned charge circuit and above-mentioned discharge loop and above-mentioned processing module
Connect；
Above-mentioned detection module, respectively with above-mentioned charge circuit and above-mentioned discharge loop and above-mentioned processing module
Connect；
Above-mentioned detection module, for above-mentioned charge circuit charging voltage in charging process and charged electrical
Stream detects；
Above-mentioned driving module, for driving above-mentioned charge circuit to pass through under the control of above-mentioned processing module
Stating AC network is the charging of above-mentioned mesuring battary；
Above-mentioned processing module, for receiving above-mentioned charging voltage and the charging current of above-mentioned detection module feedback,
And it is logical to control the above-mentioned drive circuit above-mentioned charge circuit of driving according to above-mentioned charging voltage and above-mentioned charging current
Crossing above-mentioned AC network is the charging of above-mentioned mesuring battary；
Above-mentioned detection module, is additionally operable to above-mentioned discharge loop discharge voltage in discharge process and electric discharge
Electric current detects；
Above-mentioned driving module, is additionally operable to drive above-mentioned discharge loop to pass through under the control of above-mentioned processing module
Above-mentioned mesuring battary discharges to above-mentioned AC network；
Above-mentioned processing module, is additionally operable to receive the above-mentioned discharge voltage of above-mentioned detection module feedback and above-mentioned puts
Electricity electric current, and drive above-mentioned putting according to above-mentioned discharge voltage and the above-mentioned discharge current above-mentioned drive circuit of control
Discharged to above-mentioned AC network by above-mentioned mesuring battary in electricity loop.
Further, above-mentioned control circuit also includes: auxiliary switching power supply, and above-mentioned auxiliary switching power supply is used
In for above-mentioned processing module, above-mentioned driving module and above-mentioned detection module are powered.
Further, above-mentioned control circuit is additionally operable to:
When the above-mentioned charging voltage detected or above-mentioned charging current exceed pre-set threshold value, control above-mentioned filling
It is that above-mentioned mesuring battary charges that electricity loop stops by above-mentioned AC network；Or,
When the above-mentioned discharge voltage detected or above-mentioned discharge current exceed pre-set threshold value, control above-mentioned putting
Electricity loop stops being discharged to above-mentioned AC network by above-mentioned mesuring battary.
Further, also including: human-computer interaction module, above-mentioned human-computer interaction module is with above-mentioned processing module even
Connect, for the order that user inputs is passed to above-mentioned processing module, and by the process of above-mentioned processing module
Result is shown to use.
Another aspect of the present invention provides a kind of energy efficiency method of testing, comprises the following steps:
Controlling charge circuit by AC network is that mesuring battary charges；
Detect above-mentioned charge circuit charging voltage in charging process and charging current, obtain above-mentioned to be measured
The charge efficiency of battery；
Control discharge loop to be discharged to above-mentioned AC network by above-mentioned mesuring battary；
Detect above-mentioned discharge loop discharge voltage in discharge process and discharge current, obtain above-mentioned to be measured
The discharging efficiency of battery；
According to above-mentioned charge efficiency and above-mentioned discharging efficiency, obtain the energy storage efficiency of above-mentioned mesuring battary.
Further, detect above-mentioned charge circuit charging voltage in charging process and charging current,
To the charge efficiency of above-mentioned mesuring battary, including:
Detect the above-mentioned charge circuit galvanic voltage in charging process after the first filtration module processes
And electric current,
Detect above-mentioned charge circuit charging voltage in charging process and charging current；
When after above-mentioned mesuring battary charging complete, according to above-mentioned galvanic voltage and current and above-mentioned fill
Piezoelectric voltage and charging current, obtain the charge efficiency of above-mentioned mesuring battary.
Further, above-mentioned detection above-mentioned discharge loop discharge voltage in discharge process and discharge current,
Obtain the discharging efficiency of above-mentioned mesuring battary, including:
Detect the galvanic voltage and current that above-mentioned mesuring battary is released in discharge process,
Detect above-mentioned discharge loop discharge voltage in discharge process and discharge current；
After above-mentioned mesuring battary has discharged, according to above-mentioned galvanic voltage and current and above-mentioned put
Piezoelectric voltage and discharge current, obtain the discharging efficiency of above-mentioned mesuring battary.
The energy content of battery test device of the present invention offer that the present invention provides and method of testing, simple to operate,
Highly reliable, it is possible to test the energy efficiency of battery, design and optimization for battery provide theory
Data.Additionally, the energy content of battery efficiency test device of present invention offer and method of testing, can not only use
Test the energy storage efficiency of mesuring battary, additionally it is possible to be used for testing the charge efficiency of mesuring battary and electric discharge effect
Rate is low in battery energy storage efficiency, during needing Optimal improvements, it is possible to according to the electricity to be measured tested out
The charge efficiency in pond and discharging efficiency, clearly require improvement is the charging process of battery, still discharges
Journey, or charge and discharge process is required for improving.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the energy content of battery efficiency test device that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the energy efficiency test device that Fig. 2 provides for the embodiment of the present invention two；
The energy content of battery test device work that Fig. 3 embodiment of the present invention two provides circuit in the charge state
Structural representation；
Fig. 4 tests device work electricity in the discharged condition for the energy content of battery that the embodiment of the present invention two provides
Line structure schematic diagram；
The flow chart of the energy content of battery Efficiency test method that Fig. 5 provides for the embodiment of the present invention three.
Description of reference numerals:
1: charge circuit；
11: AC transformation module；
12: rectification module；
13: the first filtration modules；
14: the first DC voltage adjusting modules；
2: discharge loop；
21: the second filtration modules；
22: the second DC voltage adjusting modules；
23: inversion module；
3: control circuit；
31: processing module；
321,322: detection module；
331,332: drive module；
4: AC network；
5: mesuring battary；
6: auxiliary switching power supply；
71,72,73,74,75: switch；
8: human-computer interaction module.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiment one
The structural representation of the energy content of battery efficiency test device that Fig. 1 provides for the embodiment of the present invention one, as
Shown in Fig. 1, the energy content of battery efficiency test device that the present embodiment provides, including: charge circuit 1, put
Electricity loop 2 and control circuit 3, control circuit 3 is connected respectively with charge circuit 1 and discharge loop 2；
Charge circuit 1 and discharge loop 2 are connected with mesuring battary 5 and AC network 4 respectively；
Control circuit 3 is used for controlling charge circuit 1 and is charged for mesuring battary 5 by AC network 4, and
The charge circuit 1 charging voltage in charging process and charging current are detected, obtains mesuring battary
The charge efficiency of 5；
Control circuit 3 is additionally operable to control discharge loop 2 and is discharged to AC network 4 by mesuring battary 5,
And the discharge loop 2 discharge voltage in discharge process and discharge current are detected, obtain electricity to be measured
The discharging efficiency in pond 5；
Control circuit 3 is additionally operable to, according to charge efficiency and discharging efficiency, obtain the energy storage effect of mesuring battary 5
Rate.
Specifically, control circuit 3 controls charge circuit 1 and passes through AC network 4 for be measured by preset rules
Battery 5 charges.In detail, above-mentioned preset rules is the charge characteristic rule of mesuring battary, for difference
The mesuring battary of type, such as lithium battery, accumulator etc., control circuit 3 inside stores all kinds of in advance
The charge characteristic rule that type mesuring battary is corresponding, when mesuring battary is defined as a certain type, control circuit
3 control the charge circuit 1 charge characteristic rule according to the type mesuring battary by AC network 4 for treating
Survey battery 5 to charge；
Similarly, control circuit 3 controls discharge loop 2 and passes through mesuring battary 5 to exchange by preset rules
Electrical network 4 discharges.In detail, above-mentioned rule is the flash-over characteristic rule of mesuring battary.For not to type
Mesuring battary 5, control circuit 3 is internal to be previously stored with and all types of treats that the electric discharge of side battery 5 correspondence is special
Property rule, when mesuring battary 5 is defined as a certain type, control circuit 3 control discharge loop 2 according to
The flash-over characteristic rule of the type mesuring battary is discharged to AC network 4 by mesuring battary 5；
More specifically, during charge circuit 1 is mesuring battary 5 charging by AC network 4,
Control circuit 3 detects the charge circuit 1 charging voltage in charging process and charging current, when electricity to be measured
After the charging complete of pond 5, control circuit 3 uses above-mentioned charging voltage and charging current to time integral, energy
When enough calculating charging complete, the electric energy E1 that mesuring battary 5 is filled with, in this process, calculate simultaneously
In charging process, during charging complete, the electric energy E2 that AC network provides, it is assumed that the efficiency of charge circuit 1
Being 90%, the charge efficiency of mesuring battary 5 is designated as η1, then have:
E1/E2=90%* η1 (1)
According to formula (1), such that it is able to calculate charge efficiency η of mesuring battary1；
Similarly, discharge loop 2 by mesuring battary 5 during AC network 4 discharges, control
Circuit 3 processed detects the discharge loop 2 discharge voltage in discharge process and discharge current, works as mesuring battary
After 5 have discharged, control circuit 3 uses above-mentioned discharge voltage and discharge current to time integral, it is possible to
Calculating electric discharge when completing, mesuring battary 5 feeds back to the electric energy E3 of electrical network, in this process, simultaneously
Calculate in discharge process, when having discharged, the electric energy E4 that mesuring battary 5 is released, it is assumed that discharge loop 2
Efficiency be 90%, the discharging efficiency of mesuring battary 5 is designated as η2, then have:
E3/E4=90%* η2 (2)
According to formula (2), such that it is able to calculate the discharging efficiency η of mesuring battary2；
The energy storage efficiency of mesuring battary is designated as η, then has:
η=η1*η2 (3)
Thus according to charge efficiency η of the mesuring battary calculated1With discharging efficiency η2, calculate electricity to be measured
The energy storage efficiency η in pond.
The energy content of battery efficiency test device that the present embodiment provides, simple to operate, highly reliable, it is possible to right
The energy efficiency of battery is tested, and design and optimization for battery provide gross data.Additionally, this reality
Execute the energy content of battery efficiency test device that example provides, can not only be used for testing the energy storage efficiency of mesuring battary,
Can also be used for testing charge efficiency and the discharging efficiency of mesuring battary, low in energy content of battery efficiency, need
During Optimal improvements, it is possible to according to charge efficiency and the discharging efficiency of the mesuring battary tested out, bright
Really need improvement is the charging process of battery, or discharge process, or charge and discharge process is required for changing
Enter.
Further, the energy content of battery test device that the present embodiment provides, control circuit 3 is additionally operable to:
When the charging voltage detected or charging current exceed pre-set threshold value, control charge circuit 1 and stop
Charged for mesuring battary 5 by AC network 4；Or,
When the discharge voltage detected or discharge current exceed pre-set threshold value, control discharge loop 2 and stop
Discharged to AC network 4 by mesuring battary 5.
Such as, mesuring battary 5 is the accumulator of 12V for rated voltage, at charge circuit 1 by exchange
During electrical network 4 charges for it, control circuit 3 sets a pre-set threshold value, and this threshold values is 14V,
When the charging voltage that control circuit 3 detects is more than 14V, control circuit 3 just controls charge circuit 1
Stop being charged for mesuring battary 5 by AC network 4.
The energy content of battery efficiency test device that the present embodiment provides, by above-mentioned setting, it is possible to realize overvoltage
Protection and overcurrent protection, prevent battery from damaging because overcharging.
Further, the energy content of battery efficiency test device that the present embodiment provides, it is also possible to include that temperature passes
Sensor, this temperature sensor is arranged on mesuring battary, for detecting the temperature of mesuring battary, and will inspection
Survey result and feed back to control circuit, to detect the temperature of mesuring battary in real time.
Embodiment two
A kind of concrete implementation mode, the energy content of battery provided for specific illustrative embodiment one are provided
Efficiency test device.The structural representation of the energy efficiency test device that Fig. 2 provides for the embodiment of the present invention two
Figure；The energy content of battery test device work that Fig. 3 embodiment of the present invention two provides circuit in the charge state
Structural representation；The energy content of battery test device that Fig. 4 provides for the embodiment of the present invention two is operated in electric discharge shape
Electrical block diagram under state.The energy that the present embodiment provides is described in detail below in conjunction with Fig. 2 to Fig. 4
Efficiency test device and the test philosophy of this device.
Refer to Fig. 3, in a kind of possible implementation of the present embodiment, charge circuit 1 includes: hand over
Rheology die block 11, rectification module the 12, first filtration module the 13, first DC voltage adjusting module 14,
AC transformation module 11, rectification module the 12, first filtration module the 13, first DC voltage adjusting module
14 are connected in turn between AC network 4 and mesuring battary 5；
AC transformation module 11, for being transformed to low-voltage alternating-current by the High Level AC Voltage that AC network 4 exports
Electricity；
Rectification module 12, for being converted into unidirectional current by above-mentioned low-voltage AC；
First filtration module 13, for filtering the AC compounent in above-mentioned unidirectional current；
First DC voltage adjusting module 14, for turning above-mentioned unidirectional current under the control of control circuit 3
Become the charge circuit 1 charging voltage in charging process.
Specifically, AC transformation module 11 generally step-down transformer, it is mainly used in defeated for AC network 4
The alternating current that the voltage gone out is 220V, electric current is 10A be converted to voltage be 50V, electric current be 40A's
Alternating current.
Rectification module 12 generally single-phase rectification bridge, for be 50V by above-mentioned voltage, electric current be 40A
Alternating current be changed into the unidirectional current of 60V.
First filtration module 13 typically uses capacitor filtering, in the unidirectional current filtering above-mentioned 60V
AC compounent；
First DC voltage adjusting module 14 is blood pressure lowering adjusting module, including igbt transistor V1, two
Pole pipe VD1, electric capacity C1, inductance L1, wherein: the source electrode of igbt transistor V1 is gone here and there with inductance L1
Connection, and be connected with the positive pole of mesuring battary, diode VD1 and electric capacity C1 is positioned at the both sides of inductance L1,
Be connected in parallel between positive pole and the negative pole of mesuring battary 5, additionally, the gate pole of igbt transistor V1 also with control
Circuit 3 processed connects.This first DC voltage adjusting module 14, being used under the control of control circuit 3 will
The unidirectional current of above-mentioned 60V is changed into the charge circuit 1 charging voltage in charging process.
Refer to Fig. 4, in a kind of possible implementation of the present embodiment, discharge loop 2 includes: the
Two filtration module the 21, second DC voltage adjusting modules 22, inversion module 23；Filtration module 21,
Two DC voltage adjusting modules 22, inversion module 23 are connected to mesuring battary 5 and AC network 4 in turn
Between；
Second filtration module 21, for filtering the friendship in the unidirectional current released in mesuring battary 5 discharge process
Flow component；
Second DC voltage adjusting module 22, for being changed into unidirectional current under the control of control circuit 3
The discharge loop 2 discharge voltage in discharge process；
Inversion module 23, for being changed into alternating current by discharge voltage.
Specifically, the second filtration module 21 typically uses capacitor filtering；Second DC voltage adjusting module
22 for boosting adjusting module, specifically include that inductance L2, igbt transistor V2, diode VD2 with
And electric capacity C2, wherein, inductance L2 connects with diode VD2, and is connected with the positive pole of mesuring battary 5,
Electric capacity C2 is connected in parallel between positive pole and the negative pole of mesuring battary 5, the drain electrode of igbt transistor V2 and source
Pole is connected with positive pole and the negative pole of mesuring battary 5 respectively, and gate pole is connected with control circuit 3.This is second straight
Stream voltage regulator module 22, for being changed into discharge loop 2 under the control of control circuit 3 by unidirectional current
Discharge voltage in discharge process.
Refer to Fig. 2 to Fig. 4, in a kind of possible implementation of the present embodiment, control circuit 3 is wrapped
Include: processing module 31, detection module 321,322, drive module 331,332, wherein, process mould
Block 31 respectively with detection module 321,322, drive module 331,332 to be connected, detection module 321 with
And drive module 331 to be connected with charge circuit 1, detection module 322 and driving module 331 and electric discharge
Loop 2 connects.
Wherein, detection module 321 includes two current sensing means TA1, TA2 and two voltage inspections
Surveying device TV1, TV2, wherein, TV1 and TA1 is arranged on the first DC voltage adjusting module 14
Above, for detecting the galvanic voltage after the first filtration module 13 processes and electric current.And TV2
It is arranged on after the first DC voltage adjusting module 14 with TA2, is used for detecting charge circuit 1 and is filling
Charging voltage in electric process and charging current.
Similarly, detection module 322 also includes two current sensing means TA3, TA4 and two voltages
Detection device TV3 and TV4.Wherein, voltage check device TV3 and current sensing means TA3 is arranged
Adjust before 22 at the second DC voltage, for detecting the direct current released in mesuring battary 5 discharge process
The voltage of electricity and electric current；Voltage check device TV4 and current sensing means TA4 is arranged on the second unidirectional current
After pressure adjusting module 22, for detecting the discharge loop 2 discharge voltage in discharge process and electric discharge
Electric current.
Additionally, refer to Fig. 2, the energy efficiency test device that the present embodiment provides, also include: auxiliary
Switching Power Supply 6, the input of auxiliary switching power supply 6 is connected with AC network 4 by switch 75, output
End is connected with processing module 31, detection module 321,322 and driving module 331,332 respectively, uses
In powering for processing module 31, detection module 321,322 and driving module 331,332.
Further, the energy efficiency test device that the present embodiment provides, also include: human-computer interaction module
8, this human-computer interaction module 8 is connected with processing module 31, for the order that user inputs is passed to place
Reason module 31, and the result of processing module 31 is shown to user.
Specifically, human-computer interaction module 8 includes keyboard and display, and user can be treated by input through keyboard
Survey the type of battery, or select charge circuit charging voltage in charging process and charging current and
Discharge loop discharge voltage in discharge process and discharge current.Display then can show above-mentioned information
And the energy efficiency calculated, and show the various states of mesuring battary.
The energy content of battery efficiency test device provided below in conjunction with the present embodiment, illustrates this energy content of battery
The operation principle of efficiency test device.
First, refer to Fig. 2, close switch 75, auxiliary switching power supply 6 is processing module 31 and inspection
Survey module 321,322 and drive module 331,332 power supply, selecting to treat by human-computer interaction module 8
Survey battery 5 type, human-computer interaction module 8 by the type transfer of above-mentioned mesuring battary 5 to processing module
31, processing module 31 is according to the type of mesuring battary 5, when determining the charging and discharging of mesuring battary 5
Preset rules.
Then, Guan Bi switch 71,72, charge circuit 1 charged for mesuring battary 5 by AC network 4,
Refer to Fig. 3, during whole charging, voltage check device TV1 and current sensing means TA1
Detect the galvanic voltage and current after the first filtration module 13 processes, and testing result is fed back to
Processing module 31, when mesuring battary 5 charging complete, when processing module 31 is by this voltage and electric current pair
Between integration, when obtaining mesuring battary 5 charging complete, AC network 4 provide electric energy E2, meanwhile, electricity
Pressure detection device TV2 and current sensing means TA2 detects the charge circuit 1 charged electrical in charging process
Pressure and charging current, and this charging voltage and charging current are fed back to processing module 31, processing module 31
This charging voltage is compared with preset rules with charging current, when this charging voltage and charging current with
When deviation occurs in preset rules, processing module 31 controls the charging driving module 331 to adjust charge circuit 1
Voltage and charging current, so that mesuring battary 5 is charged by preset rules, in this process, inspection
Survey module 321 and detect charging voltage and the charging current of charge circuit 1 in real time, during charging complete, use
This charging voltage and charging current are to time integral, when obtaining charging complete, and the electricity that mesuring battary 5 is filled with
Energy E1, according to formula (1), calculates charge efficiency η of mesuring battary 51。
Then, closing switch 71,72, open switch 73,74, discharge loop 2 is by mesuring battary 5
Discharge to AC network 4, refer to Fig. 4, first, processing module 31 according to the type of mesuring battary 5,
Selecting the preset rules that the type is corresponding, processing module 31 controls drive circuit 332 according to this preset rules
Discharge loop 2 is driven to be discharged to AC network 4 by mesuring battary 5, in the mistake of mesuring battary 5 electric discharge
The direct current that Cheng Zhong, voltage check device TV3 and current sensing means TA3 detection mesuring battary 5 is released
The voltage of electricity and electric current, and by the voltage detected and current feedback to processing module 31, after having discharged,
Processing module 31 according to above-mentioned voltage and current to time integral, it is possible to calculate mesuring battary 5 and discharged
Cheng Shi, the electric energy E4 released altogether.Meanwhile, during mesuring battary 5 discharges, voltage detecting fills
Put TV4 and the current sensing means TA4 detection discharge loop 2 discharge voltage in discharge process and put
Electricity electric current, and this discharge voltage and discharge current are fed back to processing module 31, processing module 31 should
Discharge voltage and discharge current compare with the voltage and current in this moment in preset rules, processing module 31
According to comparative result, control drive circuit 332 and drive discharge loop 2 to pass through mesuring battary according to preset rules
5 discharge to AC network 4, such as, discharge voltage that a certain moment detects and discharge current with preset
Rule is when there is deviation in the voltage and current in this moment, and processing module 31 just controls to drive module 332,
Change discharge voltage and the discharge current of discharge loop 2, make discharge voltage and discharge current meet and preset rule
Then.Similarly, after having discharged, by the discharge voltage detected and discharge current to time integral, meter
Calculate after mesuring battary 5 discharged, feed back to altogether the ENERGY E 3 of AC network, according to formula (2),
Calculate the discharging efficiency η of mesuring battary 52。
Finally, the energy storage efficiency η of mesuring battary 5 is calculated according to formula (3).
Embodiment three
The flow chart of the energy content of battery Efficiency test method that Fig. 5 provides for the embodiment of the present invention three, such as Fig. 5
Shown in, the energy content of battery Efficiency test method that the present embodiment provides, comprise the steps:
S101, control charge circuit are that mesuring battary charges by AC network；
S102, detection charge circuit charging voltage in charging process and charging current, obtain electricity to be measured
The charge efficiency in pond；
S103, control discharge loop are discharged to AC network by mesuring battary；
S104, detection discharge loop discharge voltage in discharge process and discharge current, obtain electricity to be measured
The discharging efficiency in pond；
S105, according to charge efficiency and discharging efficiency, obtain the energy storage efficiency of mesuring battary.
The specific implementation of above-mentioned steps and realize what process provided in embodiment one or embodiment two
Illustrating in energy content of battery efficiency test device, here is omitted.
The energy content of battery Efficiency test method that the present embodiment provides, simple to operate, highly reliable, it is possible to right
The energy efficiency of battery is tested, and design and optimization for battery provide gross data.Additionally, this reality
Execute the energy content of battery Efficiency test method that example provides, can not only be used for testing the energy storage efficiency of mesuring battary,
Can also be used for testing charge efficiency and the discharging efficiency of mesuring battary, low in energy content of battery efficiency, need
During Optimal improvements, it is possible to according to charge efficiency and the discharging efficiency of the mesuring battary tested out, bright
Really need improvement is the charging process of battery, or discharge process, or charge and discharge process is required for changing
Enter.
Further, in a kind of possible implementation of the present embodiment, detection charge circuit was charging
Charging voltage in journey and charging current, obtain the charge efficiency of mesuring battary, including:
Detect the charge circuit galvanic voltage in charging process after the first filtration module processes and electricity
Stream,
Detect charge circuit charging voltage in charging process and charging current；
When after mesuring battary charging complete, according to galvanic voltage and current and charging voltage and charging
Electric current, obtains the charge efficiency of mesuring battary.
Further, in a kind of possible implementation of the present embodiment, detection discharge loop was discharging
Discharge voltage in journey and discharge current, obtain the discharging efficiency of mesuring battary, including:
The galvanic voltage and current that detection mesuring battary is released in discharge process,
Detect discharge loop discharge voltage in discharge process and discharge current；
After mesuring battary has discharged, according to galvanic voltage and current and discharge voltage and electric discharge
Electric current, obtains the discharging efficiency of mesuring battary.
The specific implementation of above-mentioned steps and realize what process provided in embodiment one or embodiment two
Illustrating in energy content of battery efficiency test device, here is omitted.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an energy content of battery efficiency test device, it is characterised in that including:
Charge circuit, discharge loop and control circuit, described control circuit and described charge circuit and described
Discharge loop connects respectively；
Described charge circuit and described discharge loop are connected with mesuring battary and AC network respectively；
It is described mesuring battary that described control circuit is used for controlling described charge circuit by described AC network
Charging, and described charge circuit charging voltage in charging process and charging current are detected,
Charge efficiency to described mesuring battary；
Described control circuit is additionally operable to control described discharge loop by described mesuring battary to described alternating current
Net electric discharge, and described discharge loop discharge voltage in discharge process and discharge current are detected,
Obtain the discharging efficiency of described mesuring battary；
Described control circuit is additionally operable to, according to described charge efficiency and described discharging efficiency, obtain described to be measured
The energy storage efficiency of battery.
Energy content of battery efficiency test device the most according to claim 1, it is characterised in that described in fill
Electricity loop includes: AC transformation module, rectification module, the first filtration module, the first DC voltage adjust
Module is described AC transformation module, described rectification module, described first filtration module, described first straight
Stream voltage regulator module is connected in turn between described AC network and described mesuring battary；
Described AC transformation module, for being transformed to low pressure by the High Level AC Voltage that described AC network exports
Alternating current；
Described rectification module, for being converted into unidirectional current by described low-voltage AC；
Described first filtration module, for filtering the AC compounent in described unidirectional current；
Described first DC voltage adjusting module, for turning described unidirectional current under the control of control circuit
Become described charge circuit charging voltage in charging process.
Energy content of battery efficiency test device the most according to claim 1, it is characterised in that described in put
Electricity loop includes: the second filtration module, the second DC voltage adjusting module, inversion module；Described second
Filtration module, described second DC voltage adjusting module, described inversion module are connected in turn described to be measured
Between battery and described AC network；
Described second filtration module, for filtering in the unidirectional current released in described mesuring battary discharge process
AC compounent；
Described second DC voltage adjusts, for being changed into by described unidirectional current under the control of control circuit
Described discharge loop discharge voltage in discharge process；
Described inversion module, for being changed into alternating current by described discharge voltage.
Energy content of battery efficiency test device the most according to claim 1, it is characterised in that described control
Circuit processed includes: processing module, driving module, detection module；
Described driving module, respectively with described charge circuit and described discharge loop and described processing module
Connect；
Described detection module, respectively with described charge circuit and described discharge loop and described processing module
Connect；
Described detection module, for described charge circuit charging voltage in charging process and charged electrical
Stream detects；
Described driving module, for driving described charge circuit to pass through institute under the control of described processing module
Stating AC network is the charging of described mesuring battary；
Described processing module, for receiving described charging voltage and the charging current of described detection module feedback,
And it is logical to control the described drive circuit described charge circuit of driving according to described charging voltage and described charging current
Crossing described AC network is the charging of described mesuring battary；
Described detection module, is additionally operable to described discharge loop discharge voltage in discharge process and electric discharge
Electric current detects；
Described driving module, is additionally operable to drive described discharge loop to pass through under the control of described processing module
Described mesuring battary discharges to described AC network；
Described processing module, is additionally operable to receive the described discharge voltage of described detection module feedback and described puts
Electricity electric current, and control to put described in the driving of described drive circuit according to described discharge voltage and described discharge current
Discharged to described AC network by described mesuring battary in electricity loop.
5. according to the energy content of battery efficiency test device described in any one of claim 1-4, it is characterised in that
Described control circuit also includes: auxiliary switching power supply, and described auxiliary switching power supply is used for as described process mould
Block, described driving module and described detection module are powered.
Energy content of battery efficiency test device the most according to claim 1, it is characterised in that described control
Circuit processed is additionally operable to:
When the described charging voltage detected or described charging current exceed pre-set threshold value, fill described in control
It is that described mesuring battary charges that electricity loop stops by described AC network；Or,
When the described discharge voltage detected or described discharge current exceed pre-set threshold value, put described in control
Electricity loop stops being discharged to described AC network by described mesuring battary.
Energy content of battery efficiency test device the most according to claim 4, it is characterised in that also include:
Human-computer interaction module, described human-computer interaction module is connected with described processing module, for user inputted
Order passes to described processing module, and is shown to the result of described processing module use.
8. an energy content of battery Efficiency test method, it is characterised in that comprise the steps:
Controlling charge circuit by AC network is that mesuring battary charges；
Detect described charge circuit charging voltage in charging process and charging current, obtain described to be measured
The charge efficiency of battery；
Control discharge loop to be discharged to described AC network by described mesuring battary；
Detect described discharge loop discharge voltage in discharge process and discharge current, obtain described to be measured
The discharging efficiency of battery；
According to described charge efficiency and described discharging efficiency, obtain the energy storage efficiency of described mesuring battary.
Energy content of battery Efficiency test method the most according to claim 8, it is characterised in that detection institute
State charge circuit charging voltage in charging process and charging current, obtain the charging of described mesuring battary
Efficiency, including:
Detect the described charge circuit galvanic voltage in charging process after the first filtration module processes
And electric current,
Detect described charge circuit charging voltage in charging process and charging current；
When after described mesuring battary charging complete, according to described galvanic voltage and current and described in fill
Piezoelectric voltage and charging current, obtain the charge efficiency of described mesuring battary.
10. want the energy content of battery Efficiency test method described in 8 or 9 according to right, it is characterised in that institute
State and detect described discharge loop discharge voltage in discharge process and discharge current, obtain described electricity to be measured
The discharging efficiency in pond, including:
Detect the galvanic voltage and current that described mesuring battary is released in discharge process,
Detect described discharge loop discharge voltage in electric discharge electric process and discharge current；
After described mesuring battary has discharged, according to described galvanic voltage and current and described in put
Piezoelectric voltage and discharge current, obtain the discharging efficiency of described mesuring battary.
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