CN103592601A - Test system automatically detecting battery capacity according to charging and discharging curves - Google Patents
Test system automatically detecting battery capacity according to charging and discharging curves Download PDFInfo
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- CN103592601A CN103592601A CN201210292945.6A CN201210292945A CN103592601A CN 103592601 A CN103592601 A CN 103592601A CN 201210292945 A CN201210292945 A CN 201210292945A CN 103592601 A CN103592601 A CN 103592601A
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Abstract
The invention relates to a test system which automatically detects battery capacity according to charging and discharging curves. The test system includes a system power-supplying circuit, a battery assembly, a charging control circuit, a discharging control circuit, a display circuit, a storage device and a micro processor. The test system is characterized in that the microprocessor includes a first current detecting circuit, a second current detecting circuit and an output circuit. The first current detecting circuit is connected with the charging control circuit. The second current detecting circuit is connected with the discharging control circuit. The output circuit includes a first output end and a second output end. The first output end is connected with the display circuit and the second output end is connected with the storage device. The test system which automatically detects the battery capacity according to the charging and discharging curves realizes automation testing and provides a reliable basis for grasping work characteristics of batteries. The test system can also be used for comparing charging and discharging curves of batteries of different types and selecting batteries of high quality so that the test system is a great reference basis for ensuring the quality of a product.
Description
Technical field
The present invention relates to instrument test field, embedded system development technical field, particularly a kind of for can automatically detecting according to charge and discharge curve the system of battery capacity.
Background technology
Conventionally people are when using battery, which type of electric discharge or the charging curve of seldom knowing a battery be, capacity for test battery, generally namely when battery full capacity, opening device, make it in running order, until the electric weight of battery runs out, and record equipment work duration.
As the publication number patent documentation that is CN101334452 is recorded; before battery comes into operation; the time that discharges and recharges and the charge and discharge cycles number of times that by a kind of battery tester, are recorded, calculated every kind of battery, detect the functions such as the life-span of battery, capacity, overcurrent protection and under-voltage protection and parameter in advance.This mode can not reflect the accurate capacity of a battery exactly.
For the battery that has charge function for some, the charging and discharging curve of every kind of battery is different, has known the optimal charge curve of battery, and more effectively the charge efficiency of setting battery, reduces the febrile state of battery in charging process.A lot of mobile-phone manufacturers are exactly because do not charge the battery according to the optimal charge curve of battery at present, cause mobile phone when charging, generate heat very serious, and then affect serviceable life and the performance of battery.
Summary of the invention
The object of the invention is, in order to overcome above-mentioned deficiency, provides a kind of test macro that automatically detects battery capacity according to charging and discharging curve.
In order to achieve the above object, technical scheme of the present invention is to provide a kind of test macro that automatically detects battery capacity according to charging and discharging curve, comprise system power supply circuit, battery component, charging control circuit, charge/discharge control circuit, display circuit, memory device and microprocessor, microprocessor comprises the first current detection circuit, the second current detection circuit and output circuit, the first current detection circuit of microprocessor is connected with charging control circuit, the second current detection circuit of microprocessor is connected with control of discharge electric current, the output circuit of microprocessor comprises the first output terminal and the second output terminal, the first output terminal is connected with display circuit, the second output terminal is connected with described memory device.
Preferably, microprocessor of the present invention is made as the processor with multi-channel A/D C controller.
Preferably, the present invention also comprises an electronic load adjustment module and load selection circuit, described load selects circuit according to described microprocessor, to issue the instruction of described charge/discharge control circuit, select suitable load for the discharge operation for battery, for use in testing for the discharge curve under different loads condition.
Preferably, described electronic load adjustment module, comprises that one or more loads of selecting in list are for simulating the duty of various forms of true electronic circuits, and described list comprises:
Inductive load;
Capacitive load;
Pure resistor load.
Preferably, described load selects circuit to comprise the first port and the second port, and described the first port is connected with described electronic load adjustment module, and described the second port is connected with described charge/discharge control circuit.
Preferably, described battery component is provided with a temperature sensor, for monitoring the temperature of battery surface.
Preferably, described charging control circuit is provided with a temperature sensor and the short circuit fuse that automatically resets, and detects in real time the working temperature of charging circuit and the safety of protection charging circuit.
Preferably, described temperature sensor is sent to microprocessor in real time by the temperature information detecting.
Preferably, described charging control circuit, also comprises current monitoring circuit, described current monitoring circuit by the value record of electric current, be sent to microprocessor.
Preferably, described memory device, comprises that in list, select one for storing the data of described microprocessor records, and described list comprises:
SD card;
By USB interface, be sent to PC
Advantage of the present invention is:
1, realize automatic test, at the electric weight of battery, be depleted to can not work time, enter automatic charging state, system now can record charging process automatically, and data are stored in SD card or are sent in PC, these data, through the processing of related softwares, can be drawn out the electric current of charging and the curve of change in voltage, for the operating characteristic of electrolytic cell provides reliable foundation.
2, for the charging and discharging curve of more dissimilar battery, can be used for selecting the battery of high-quality, for the quality that guarantees product, there is good reference frame.
Accompanying drawing explanation
Fig. 1 is system chart of the present invention.
Embodiment
For making the present invention more clear and easy to understand, hereby with a preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1:
A kind of test macro that automatically detects battery capacity according to charging and discharging curve, comprise system power supply circuit 181, battery component 121, charging control circuit 111, charge/discharge control circuit 131, display circuit 161, memory device 171 and microprocessor 101, microprocessor 101 comprises the first current detection circuit, the second current detection circuit and output circuit, the first current detection circuit of microprocessor 101 is connected with charging control circuit, the second current detection circuit of microprocessor 101 is connected with control of discharge electric current, the output circuit of microprocessor 101 comprises the first output terminal and the second output terminal, the first output terminal is connected with display circuit, the second output terminal is connected with memory device 171.
In order to make implementation result more, microprocessor 101 is made as to the processor 101 with multi-channel A/D C controller.
In this test macro, also comprise electronic load adjustment module 151 and load selection circuit 141, the instruction that load selects circuit 141 to issue charge/discharge control circuit 131 according to the processor 101 with multi-channel A/D C controller, select inductive load for the discharge operation for battery, for use in testing for the discharge curve under different loads condition.
Load selects circuit 141 to comprise the first port and the second port, and the first port is connected with electronic load adjustment module 151, and the second port is connected with charge/discharge control circuit 131.
Temperature sensor is sent to the temperature information detecting the processor 101 with multi-channel A/D C controller in real time.
The temperature sensor that charging control circuit 111 is provided with, can detect in real time the working temperature of charging circuit, this temperature information is sent to the processor 101 with multi-channel A/D C controller in real time, when appearance is abnormal, can stop at any time the work of charging circuit, safety for the protection of charging circuit, short circuit in charging control circuit 111 fuse that automatically resets, when occurring that moment, working current was abnormal, the fuse that automatically resets can open circuit, after the short dot fault of circuit disappears, the fuse that automatically resets can automatically restore to normal operating conditions, avoided the trouble of artificial replacing fuse, can avoid because of the excessive fuse failure causing of occurrent circuit dash current in work, cause the accidental interruption of automatic test job, to avoid the situation of manual intervention to occur.Current monitoring circuit in charging control circuit 111, working current in can real-time monitoring circuit, and the value record of electric current is got off to be sent in the processor 101 with multi-channel A/D C controller, the processor 101 with multi-channel A/D C controller can store the value of the electric current of real time record in SD card into.
When the electric weight of battery is filled, system enters discharge condition, in the process of electric discharge, can be according to the setting of software, according to inductive load electric current, carry out discharge operation, in the process of discharge test, the value of meeting real time record discharge current and the magnitude of voltage of battery, and data are stored in SD card, for follow-up sparking voltage and the Drawing of Curve of discharge current.
When the life test discharging and recharging of carrying out battery, the test that can use this device repeatedly to discharge and recharge for battery, until battery normal operation position completely again, during this period, the data of all battery charging and discharging curves of recording, can be and judge that the instruction of battery provides reliable foundation.
Claims (10)
1. a test macro that automatically detects battery capacity according to charging and discharging curve, comprise a system power supply circuit, one battery component, one charging control circuit, one charge/discharge control circuit, one display circuit, one memory device and a microprocessor, it is characterized in that, described microprocessor comprises the first current detection circuit, the second current detection circuit and an output circuit, described the first current detection circuit is connected with charging control circuit, described the second current detection circuit is connected with control of discharge electric current, described output circuit comprises the first output terminal and the second output terminal, described the first output terminal is connected with described display circuit, described the second output terminal is connected with described memory device.
2. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1, is characterized in that: described microprocessor is provided with one and has multi-channel A/D C controller.
3. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1, it is characterized in that: also comprise an electronic load adjustment module and load selection circuit, described load selects circuit according to described microprocessor, to issue the instruction of described charge/discharge control circuit, select suitable load for the discharge operation for battery, for use in testing for the discharge curve under different loads condition.
4. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 3, it is characterized in that: described electronic load adjustment module comprises that one or more loads of selecting in list are for simulating the duty of various forms of true electronic circuits, and described list comprises:
Inductive load;
Capacitive load;
Pure resistor load.
5. as patent requires a kind of test macro that automatically detects battery capacity according to charging and discharging curve as described in 2, it is characterized in that, described load selects circuit to comprise the first port and the second port, described the first port is connected with described electronic load adjustment module, and described the second port is connected with described charge/discharge control circuit.
6. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1, is characterized in that: described battery component is provided with a temperature sensor, for monitoring the temperature of battery surface.
7. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1; it is characterized in that: described charging control circuit is provided with a temperature sensor and the short circuit fuse that automatically resets, and detects in real time the working temperature of charging circuit and the safety of protection charging circuit.
8. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as described in claim 6 or 7, is characterized in that: described temperature sensor is sent to microprocessor in real time by the temperature information detecting.
9. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1, it is characterized in that: described charging control circuit also comprises current monitoring circuit, described current monitoring circuit by the value record of electric current, be sent to microprocessor.
10. a kind of test macro that automatically detects battery capacity according to charging and discharging curve as claimed in claim 1, is characterized in that: described memory device comprises that in list, select one for storing the data of described microprocessor records, and described list comprises:
SD card;
By USB interface, be sent to PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292945.6A CN103592601A (en) | 2012-08-17 | 2012-08-17 | Test system automatically detecting battery capacity according to charging and discharging curves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292945.6A CN103592601A (en) | 2012-08-17 | 2012-08-17 | Test system automatically detecting battery capacity according to charging and discharging curves |
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| CN103592601A true CN103592601A (en) | 2014-02-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267350A (en) * | 2014-09-05 | 2015-01-07 | 江苏银佳企业集团有限公司 | Automatic storage battery charging-discharging and capacity detection device |
| CN105589041A (en) * | 2015-12-09 | 2016-05-18 | 上海斐讯数据通信技术有限公司 | Test method and test device for battery under-voltage discharge protection circuit |
| CN106093798A (en) * | 2016-08-22 | 2016-11-09 | 深圳市凯瑞兹电子科技有限公司 | The detection method of a kind of lithium battery load capacity and device |
| CN107251653A (en) * | 2015-02-10 | 2017-10-13 | 飞利浦灯具控股公司 | Export the light device of the situation of storage circuit |
| CN113805079A (en) * | 2021-08-07 | 2021-12-17 | 宝星智能科技(上海)有限公司 | Battery pack charging and discharging service life detection device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267350A (en) * | 2014-09-05 | 2015-01-07 | 江苏银佳企业集团有限公司 | Automatic storage battery charging-discharging and capacity detection device |
| CN104267350B (en) * | 2014-09-05 | 2017-02-08 | 江苏银佳企业集团有限公司 | Automatic storage battery charging-discharging detection device |
| CN107251653A (en) * | 2015-02-10 | 2017-10-13 | 飞利浦灯具控股公司 | Export the light device of the situation of storage circuit |
| CN107251653B (en) * | 2015-02-10 | 2019-08-13 | 飞利浦灯具控股公司 | Equipment for powering to the electro-optical device for emitting light and the method for operating the equipment |
| CN105589041A (en) * | 2015-12-09 | 2016-05-18 | 上海斐讯数据通信技术有限公司 | Test method and test device for battery under-voltage discharge protection circuit |
| CN106093798A (en) * | 2016-08-22 | 2016-11-09 | 深圳市凯瑞兹电子科技有限公司 | The detection method of a kind of lithium battery load capacity and device |
| CN106093798B (en) * | 2016-08-22 | 2019-09-10 | 深圳市凯瑞兹电子科技有限公司 | A kind of detection method and device of lithium battery load capacity |
| CN113805079A (en) * | 2021-08-07 | 2021-12-17 | 宝星智能科技(上海)有限公司 | Battery pack charging and discharging service life detection device |
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Application publication date: 20140219 |