CN104237797A - Detection system and detection method of battery capacity of super capacitor - Google Patents
Detection system and detection method of battery capacity of super capacitor Download PDFInfo
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- CN104237797A CN104237797A CN201410396439.0A CN201410396439A CN104237797A CN 104237797 A CN104237797 A CN 104237797A CN 201410396439 A CN201410396439 A CN 201410396439A CN 104237797 A CN104237797 A CN 104237797A
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Abstract
The invention relates to the detection field of a super capacitor battery, and discloses a detection system of the battery capacity of the super capacitor. The detection system of the battery capacity of the super capacitor comprises the super capacitor battery to be tested, a data storage unit, a detection device, a relay, a sensor and an automatic control unit, wherein the automatic control unit is connected with the super capacitor battery to be tested respectively through the sensor and the relay. The invention further discloses a detection method of the battery capacity of the super capacitor. The detection system and the detection method of the battery capacity of the super capacitor have the advantages that the entire process is totally automatic, human intervention is reduced, and test efficiency is improved.
Description
Technical field
Patent of the present invention relates to the detection field of super capacitance cell capacity, it discloses a kind of detection system and detection method of super capacitance cell capacity.
Background technology
Along with battery use is more and more extensive, country continues to increase the support of battery industry and investment, and whole industry obtains high speed development, and new product emerges in an endless stream, and more existing standards have been difficult to meet enterprise's need of production, demand perfection urgently.Such as, existing domestic standard and industry standard all do not have about power density that (discharge cut-off voltage corresponding under battery charge state and the product of maximum discharge current are discharge power, the ratio of this discharge power and battery quality is power density) and the method for testing of energy density (actual capacity is multiplied by the average voltage that discharges and is energy density divided by battery quality again) these two important indicators, make measurement result can not reflect battery actual performance comprehensively.And this two indices be current electric automobile industry except safety indexes, two performance parameters that everybody is concerned about the most.All there is no detection method and the standard of super capacitance cell at present both at home and abroad, can only using other standards as the foundation of parameter measurement.Existing detection method can only detect the battery capacity of-15 ° of more than C, and to the high-rate discharge capacity of battery and charge acceptance all without clear and definite standard, this seriously constrains the research and development of the new battery of China.
The detection method of super capacitance cell capacity in this paper and system, adopt two-stage multichannel computer measurement and control, can realize automatically controlling the charge and discharge process of super capacitance cell, test process automation degree is high, improve detection efficiency, the test of battery capacity, high-rate discharge capacity (actual capacity with obtaining during heavy-current discharge) and charge acceptance (actual capacity recorded after charging with big current) when simultaneously the method and system are suitable for p-30 ° of C.
Summary of the invention
The invention provides a kind of detection method and system of super capacitance cell capacity, this system has filled up the blank in domestic and international super capacitance cell performance parameter detection method, realize Aulomatizeted Detect to super capacitance cell capacity, comprise actual capacity, low temperature capacity, high-rate discharge capacity and, the automatic test of charge acceptance, energy density, power density.
Inventing the technical scheme adopted is: a kind of
the detection of super capacitance cell capacitysystem, comprises tested super capacitance cell, data storage cell, pick-up unit, relay, sensor and automatic control unit; Automatic control unit is connected with described tested super capacitance cell with relay respectively by sensor; Pick-up unit is connected with described automatic control unit by described relay, and described tested super capacitance cell is connected with described pick-up unit; Be provided with the test cell controlling battery charging and discharging in pick-up unit, test data is sent to described data storage cell by test cell by pick-up unit, the shutoff of described data storage cell automatic control relay or unlatching.
As a further improvement on the present invention: described pick-up unit comprise for battery charging direct supply and be used for the DC Electronic Loads of test battery capacity and test cell, the test process of described pick-up unit is divided into charging process and discharge process, described charging process is: first carry out constant-current charge, after voltage is increased to predetermined value, carry out constant-voltage charge, when electric current terminates lower than charging during predetermined value; In charging process, temperature sensor is fixed on super capacitance cell surface, the temperature of data storage cell Real-time Obtaining super capacitance cell, when the temperature of super capacitance cell exceedes setting value, automatic control unit will send instruction and disconnect relay, stop charging with the safety ensureing battery; Described discharge process is: after charging terminates, data storage device stops charging and connecting load by automatic control unit pilot relay deenergization, enters discharge process, is discharged by battery with the current value of setting, when voltage drops to setting value, electric discharge terminates.
As a further improvement on the present invention: pick-up unit is communicated with data storage device by serial ports, and the data message of super capacitance cell that will detect, through A D converter be converted to numerical information, be real-time transmitted on data storage device.
As a further improvement on the present invention: in discharge process, data storage device shows in real time to each parameter of super capacitance cell, and automatically generates discharge curve, obtains the capacity of super capacitance cell further.
As a further improvement on the present invention: the volume test of super capacitance cell includes but not limited to actual capacity under cryogenic, carry out with different steady current the actual capacity that discharges and differently charging time the battery actual capacity that obtains and automatic test is carried out to super capacitance cell energy density, power density.
Invention also provides one
the detection of super capacitance cell capacitymethod, comprises the steps: that data storage cell sets the test event of tested super capacitance cell and carries out attended operation; Super capacitance cell carries out charging operations; Super capacitance cell carries out discharge operation.
As a further improvement on the present invention: described attended operation is: automatic control unit is connected with described tested super capacitance cell with relay respectively by sensor; Pick-up unit is connected with described automatic control unit by described relay, and described tested super capacitance cell is connected with described pick-up unit; Be provided with the test cell controlling battery charging and discharging in pick-up unit, test data is sent to described data storage cell by test cell by pick-up unit, the shutoff of described data storage cell automatic control relay or unlatching.
As a further improvement on the present invention: described charging process is: first carry out constant-current charge, after voltage is increased to predetermined value, carry out constant-voltage charge, when electric current terminates lower than charging during predetermined value; In charging process, temperature sensor is fixed on super capacitance cell surface, the temperature of data storage cell Real-time Obtaining super capacitance cell, when the temperature of super capacitance cell exceedes setting value, automatic control unit will send instruction and disconnect relay, stop charging with the safety ensureing battery; Described discharge process is: after charging terminates, data storage device stops charging and connecting load by automatic control unit pilot relay deenergization, enters discharge process, is discharged by battery with the current value of setting, when voltage drops to setting value, electric discharge terminates.
As a further improvement on the present invention: the volume test project of super capacitance cell includes but not limited to actual capacity under cryogenic, carry out with different steady current the actual capacity that discharges and differently charging time the battery actual capacity that obtains and automatic test is carried out to super capacitance cell energy density, power density.
As a further improvement on the present invention: in discharge process, data storage device shows in real time to each parameter of super capacitance cell, and automatically generates discharge curve, obtains the capacity of super capacitance cell further.
The invention has the beneficial effects as follows: whole process full automation, reduce human intervention, improve testing efficiency, simultaneously, the application of temperature sensor ensures the safe handling of capacitor batteries in test process by human interface software, intuitively can show test results in real time.
Accompanying drawing explanation
Fig. 1 super capacitance cell capacity check method structural drawing;
The overall software flow pattern of Fig. 2 super capacitance cell capacity check method;
Fig. 3 super capacitance cell charging process software flow pattern;
Fig. 4 super capacitance cell discharge process software flow pattern.
Embodiment
By reference to the accompanying drawings, the specific embodiment of the present invention is further described:
In a kind of embodiment, a kind of super capacitance cell capacity check system, system comprises: robot calculator, tested super capacitance cell, pick-up unit, relay, temperature sensor and single chip computer automatic control system.Robot calculator and single-chip microcomputer pass through serial communication, the testing software controlling battery charging and discharging preserved by robot calculator, pick-up unit by software by the test data of DC Electronic Loads, direct supply by Serial Port Transmission to computing machine, computing machine judges voltage, electric current, temperature signal carry out opening of pilot relay by single-chip microcomputer and test super capacitance cell with turning off.Pick-up unit comprise for battery charging direct supply and be used for the DC Electronic Loads of test battery capacity and testing software, test process is divided into charging and discharging, first constant-current charge is carried out during charging, voltage raises, after voltage reaches predetermined value, testing software controls direct supply and carries out constant-voltage charge, and now charging current reduces gradually, when electric current is lower than setting value, battery is full of.In charging process, temperature sensor is fixed on battery surface, single-chip microcomputer imports computing machine by sensor into by after temperature information collection, realize the Real-Time Monitoring to battery temperature, once battery temperature exceedes setting value, single-chip microcomputer will send instruction and disconnect relay immediately, stop charging, to ensure the safety of battery.Test macro is by serial ports and compunication, and voltage, electric current, the temperature and time information of battery that test macro will detect, be converted to numerical information through A D converter, and display in real time on computers.After charging complete, computing machine is disconnected by Single-chip Controlling relay
Power supply stops charging, connect load, enter discharge process, now battery carries out constant-current discharge test by the current value of setting, and when voltage drops to setting value (rated voltage is that its discharge cut-off voltage of battery of 12v is set as 10.5V), electric discharge terminates, in discharge process, testing software is shown each parameter of battery in real time by computing machine, and automatically generates discharge curve, draws the capacity (instant discharge current is to the integration of electric discharge time used) of super capacitance cell.
The normal temperature capacity of said method test battery, consider the singularity of battery applications environment, the low temperature capacity of battery, high-rate discharge capacity and charge acceptance are tested, namely battery actual capacity under cryogenic, to carry out with different steady current the actual capacity that discharges and differently charging time the battery actual capacity that obtains; Automatic test is carried out to battery energy density, power density.
As shown in Figure 1, computing machine and single chip computer automatic control system turn serial ports mutual data transmission by USB, single-chip microcomputer is by judging that computer data carrys out the opening and closing of pilot relay, temperature sensor image data during charging is also transferred to automatic control system, after charging complete, measured capacitance battery discharges to DC Electronic Loads, in whole process, pick-up unit and computer system remain serial communication, pick-up unit by A D converter communicate information on computing machine and show, detection terminates rear inspection software and automatically generates discharge curve, and draw battery capacity.
As shown in Figure 2, open testing software, select the test pattern of battery, test pattern comprises: actual capacity test, high-multiplying power discharge test, rapid charge test ,-15 DEG C of low temperature capacity tests ,-30 DEG C of low temperature capacity tests, power density test, energy density test, cycle lives test; Input setup parameter, comprise voltage, electric current, time, temperature, click and start testing button, tested battery is done pre-service by testing software automatically, discharge by electricity original in battery, tested battery enters charging link, the safety of battery guaranteed by temperature sensor, battery is full of rear Single-chip Controlling relay and automatically switches to discharge mode, when cell voltage terminates lower than electric discharge during setting value, relay disconnects battery and is connected with load, and testing software demonstrates discharge curve, draw battery capacity, datagraphic shows and preserves on computer software.
As shown in Figure 3, test pattern is selected by software, to computer input setup parameter, after preservation, click beginning, after software carries out pre-service by single-chip microcomputer to battery, Single-chip Controlling relay switches to constant-current charge, the temperature that temperature sensor gathers battery is passed to single-chip microcomputer guarantee cell safety, and voltage changes constant-voltage charge into after reaching setting value, until electric current is lower than setting value, battery is full of completely, and Computer display also preserves charging effect.
In a kind of embodiment, increase constant temperature oven and carry out charging measurement, during as carried out large current charge test, because big current can make battery temperature raise, the error brought too soon for avoiding temperature variation, charges battery as in constant temperature oven.Equally, when test for low temperature capacity and discharge capability, battery is discharged as in constant temperature oven, calorstat temperature is set, test is started when constant temperature oven reaches predetermined temperature, in test process, data storage device carries out enforcement monitoring temperature, adjustment, control to constant temperature oven, realizes carrying out Real-Time Monitoring to battery temperature, charging voltage and electric current simultaneously.
Realize the measuring method of power density (namely corresponding under battery charge state discharge cut-off voltage and the product of maximum discharge current are discharge power, and the ratio of this discharge power and battery quality is power density) and energy density (actual capacity is multiplied by the average voltage that discharges again divided by battery quality).
As shown in Figure 4, after charging terminates, Single-chip Controlling relay switches to electric discharge, and when voltage is lower than setting value time, relay disconnects. and terminate electric discharge, testing software generates discharge curve automatically, draws capacity, and preserves on computers.
Specific operation process: open testing software, input setting voltage, electric current, time, temperature parameter, click starts test, temperature sensor collecting temperature information passes to computing machine, the opening and closing of automatic controlling system relay ensure carrying out smoothly of test process, and test terminates rear Computer display charging and discharging curve and draws battery capacity and data preserved.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a detection system for super capacitance cell capacity, is characterized in that: comprise tested super capacitance cell, data storage cell, pick-up unit, relay, sensor and automatic control unit; Automatic control unit is connected with described tested super capacitance cell with relay respectively by sensor; Pick-up unit is connected with described automatic control unit by described relay, and described tested super capacitance cell is connected with described pick-up unit; Be provided with the test cell controlling battery charging and discharging in pick-up unit, test data is sent to described data storage cell by test cell by pick-up unit, the shutoff of described data storage cell automatic control relay or unlatching.
2. the detection system of super capacitance cell capacity according to claim 1, it is characterized in that: described pick-up unit comprise for battery charging direct supply and be used for the DC Electronic Loads of test battery capacity and test cell, the test process of described pick-up unit is divided into charging process and discharge process, described charging process is: first carry out constant-current charge, after voltage is increased to predetermined value, carry out constant-voltage charge, when electric current terminates lower than charging during predetermined value; In charging process, temperature sensor is fixed on super capacitance cell surface, the temperature of data storage cell Real-time Obtaining super capacitance cell, when the temperature of super capacitance cell exceedes setting value, automatic control unit will send instruction and disconnect relay, stop charging with the safety ensureing battery; Described discharge process is: after charging terminates, data storage device stops charging and connecting load by automatic control unit pilot relay deenergization, enters discharge process, is discharged by battery with the current value of setting, when voltage drops to setting value, electric discharge terminates.
3. the detection system of super capacitance cell capacity according to claim 1, it is characterized in that: pick-up unit is communicated with data storage device by serial ports, and the data message of super capacitance cell that will detect, through A D converter be converted to numerical information, be real-time transmitted on data storage device.
4. the detection system of super capacitance cell capacity according to claim 2, it is characterized in that: in discharge process, data storage device shows in real time to each parameter of super capacitance cell, and automatically generates discharge curve, obtains the capacity of super capacitance cell further.
5. the detection system of super capacitance cell according to claim 2, is characterized in that: comprise the steps: the volume test of super capacitance cell include but not limited to actual capacity under cryogenic, carry out with different steady current the actual capacity that discharges and differently charging time the battery actual capacity that obtains and automatic test is carried out to super capacitance cell energy density, power density.
6. a detection method for super capacitance cell capacity, is characterized in that: data storage cell sets the test event of tested super capacitance cell and carries out attended operation; Super capacitance cell carries out charging operations; Super capacitance cell carries out discharge operation.
7. the detection method of super capacitance cell capacity according to claim 6, is characterized in that: described attended operation is: automatic control unit is connected with described tested super capacitance cell with relay respectively by sensor; Pick-up unit is connected with described automatic control unit by described relay, and described tested super capacitance cell is connected with described pick-up unit; Be provided with the test cell controlling battery charging and discharging in pick-up unit, test data is sent to described data storage cell by test cell by pick-up unit, the shutoff of described data storage cell automatic control relay or unlatching.
8. the detection method of super capacitance cell capacity according to claim 6, is characterized in that: described charging process is: first carry out constant-current charge, after voltage is increased to predetermined value, carries out constant-voltage charge, when electric current terminates lower than charging during predetermined value; In charging process, temperature sensor is fixed on super capacitance cell surface, the temperature of data storage cell Real-time Obtaining super capacitance cell, when the temperature of super capacitance cell exceedes setting value, automatic control unit will send instruction and disconnect relay, stop charging with the safety ensureing battery; Described discharge process is: after charging terminates, data storage device stops charging and connecting load by automatic control unit pilot relay deenergization, enters discharge process, is discharged by battery with the current value of setting, when voltage drops to setting value, electric discharge terminates.
9. the detection method of super capacitance cell capacity according to claim 6, is characterized in that: the volume test project of super capacitance cell includes but not limited to actual capacity under cryogenic, carry out with different steady current the actual capacity that discharges and differently charging time the battery actual capacity that obtains and automatic test is carried out to super capacitance cell energy density, power density.
10. the detection method of super capacitance cell capacity according to claim 6, it is characterized in that: in discharge process, data storage device shows in real time to each parameter of super capacitance cell, and automatically generates discharge curve, obtains the capacity of super capacitance cell further.
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Cited By (10)
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| CN104597413A (en) * | 2015-01-19 | 2015-05-06 | 厦门大学 | Testing device and method for nominal capacity of power bank |
| CN104614609A (en) * | 2015-01-27 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Test method of super capacitor |
| CN106645925A (en) * | 2016-09-11 | 2017-05-10 | 浙江大学 | Electric energy storage device power test system |
| CN109324296A (en) * | 2018-09-28 | 2019-02-12 | 上汽通用五菱汽车股份有限公司 | The battery performance test method and system of electric car |
| CN110133504A (en) * | 2019-04-23 | 2019-08-16 | 中国人民解放军战略支援部队航天工程大学 | A kind of battery charging and discharging device detection system based on super capacitor |
| CN111505429A (en) * | 2020-06-03 | 2020-08-07 | 北京博电新力电气股份有限公司 | Super capacitor detection device |
| CN111628546A (en) * | 2020-06-03 | 2020-09-04 | 北京博电新力电气股份有限公司 | Super capacitor charging and discharging method and super capacitor charging and discharging device |
| CN113433415A (en) * | 2021-07-12 | 2021-09-24 | 南京绿索电子科技有限公司 | Automatic test system and method for super capacitor module |
| CN115208032A (en) * | 2022-09-13 | 2022-10-18 | 深圳市今朝时代股份有限公司 | Charging safety detection method for super capacitor |
| CN115436824A (en) * | 2022-11-08 | 2022-12-06 | 苏州浪潮智能科技有限公司 | Super capacitor test method and device, electronic equipment and storage medium |
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| CN104597413A (en) * | 2015-01-19 | 2015-05-06 | 厦门大学 | Testing device and method for nominal capacity of power bank |
| CN104614609A (en) * | 2015-01-27 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Test method of super capacitor |
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| CN106645925A (en) * | 2016-09-11 | 2017-05-10 | 浙江大学 | Electric energy storage device power test system |
| CN109324296A (en) * | 2018-09-28 | 2019-02-12 | 上汽通用五菱汽车股份有限公司 | The battery performance test method and system of electric car |
| CN110133504A (en) * | 2019-04-23 | 2019-08-16 | 中国人民解放军战略支援部队航天工程大学 | A kind of battery charging and discharging device detection system based on super capacitor |
| CN111505429A (en) * | 2020-06-03 | 2020-08-07 | 北京博电新力电气股份有限公司 | Super capacitor detection device |
| CN111628546A (en) * | 2020-06-03 | 2020-09-04 | 北京博电新力电气股份有限公司 | Super capacitor charging and discharging method and super capacitor charging and discharging device |
| CN113433415A (en) * | 2021-07-12 | 2021-09-24 | 南京绿索电子科技有限公司 | Automatic test system and method for super capacitor module |
| CN115208032A (en) * | 2022-09-13 | 2022-10-18 | 深圳市今朝时代股份有限公司 | Charging safety detection method for super capacitor |
| CN115436824A (en) * | 2022-11-08 | 2022-12-06 | 苏州浪潮智能科技有限公司 | Super capacitor test method and device, electronic equipment and storage medium |
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Application publication date: 20141224 |