CN102540078B - Battery charging test device - Google Patents
Battery charging test device Download PDFInfo
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- CN102540078B CN102540078B CN201010599779.5A CN201010599779A CN102540078B CN 102540078 B CN102540078 B CN 102540078B CN 201010599779 A CN201010599779 A CN 201010599779A CN 102540078 B CN102540078 B CN 102540078B
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- voltage
- resistance
- data
- battery charging
- battery
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- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
Abstract
The invention discloses a kind of battery charging test device, described battery charging test device includes a battery, a charhing unit, a resistance, is series between described battery and charhing unit；One plurality of voltages data acquisition unit, for detecting the voltage of described battery and resistance respectively；One voltage data processing unit, for the voltage data of described plurality of voltages data acquisition unit collection is converted to current data, and stores the resistance of described resistance.The present invention is by the resistance of a fixed resistance value of connecting.And detect cell voltage and the both end voltage of the resistance of the fixed resistance value sealing in charge circuit, overcome the erroneous judgement of the cell voltage overvoltage that voltage pulsation causes, thus the data that whole charging process, discharge process collect are normal, recharge process the most normal.Avoid in tradition charging modes, the mistake of the battery charging measurement data that the erroneous judgement of the cell voltage overvoltage caused due to series current table causes, it is ensured that the accuracy of test data.
Description
Technical field
The present invention relates to a kind of battery charging test device, particularly relate to the battery of a kind of mobile terminal
Charging measurement device.
Background technology
In traditional battery charging measurement, especially in the test that the battery of mobile electronic product charges,
It is voltmeter 4 to be connected in parallel on battery 2 two ends measure cell voltage as shown in Figure 1, and ammeter 3 is gone here and there
It is associated in charge circuit, is i.e. series between charhing unit 1 and battery 2, thus measure filling of battery 2
Electricity electric current.Due to when mobile electronic product charges, the voltage of the baseband chip of described mobile electronic product
Detecting pin (VBATSENCE) needs to detect in real time the voltage of battery, thus judges battery electricity
Press whether overvoltage, if detecting reaches over-charging of battery threshold voltage, then perform hardware shutdown action.But by
In detecting voltage pin detection voltage=cell voltage+impedance loop × charging current, and impedance loop
Including circuit impedance, the internal resistance of battery own and amperemeter inner resistance, wherein amperemeter inner resistance is impedance loop
In the most stable, thus easily cause detecting voltage pin detection voltage reach over-charging of battery threshold value electricity
Pressure.Especially when battery recharges generation, the voltage of battery own already close to over-charging of battery threshold voltage,
In addition adding the pressure drop on impedance loop, detecting voltage pin detection voltage easily reaches over-charging of battery
Threshold voltage, thus meet the condition of hardware charge closing.Exactly because this traditional series current table
Charging measurement method increase impedance loop, so being more prone to cause the erroneous judgement of cell voltage overvoltage
Disconnected, thus have impact on the test of battery charging.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the charging of series current table in prior art to survey
Method for testing increases impedance loop, thus causes the defect of the erroneous judgement of cell voltage overvoltage, it is provided that a kind of
Battery charging test device, by using the voltage of the resistance of the fixed resistance value of test series connection, overcomes electricity
The erroneous judgement of the cell voltage overvoltage that pressure fluctuation causes such that it is able to accurately testing battery charging.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of battery charging test device, including a battery, a charhing unit, it is special
Point is that described battery charging test device also includes:
One resistance, is series between described battery and charhing unit；
One plurality of voltages data acquisition unit, for detecting the voltage of described battery and resistance respectively；
One voltage data processing unit, is used for the resistance according to described resistance by described plurality of voltages data acquisition
The voltage data of storage collection is converted to current data, and stores the resistance of described resistance.
It is preferred that described battery charging test device also includes a memory element, it is used for storing Multi-path electricity
The current data that the voltage data of pressure data acquisition unit collection and described voltage data processing unit generate.
It is preferred that described battery charging test device also includes a storage format converting unit, for turning
Change voltage data and the storage format of current data of memory element storage.
It is preferred that described battery charging test device also includes a display device, it is used for showing Multi-path electricity
The current data that the voltage data of pressure data acquisition unit collection and described voltage data processing unit generate.
It is preferred that described plurality of voltages data acquisition unit is processed with described voltage data by a bus
Unit electrically connects.
It is preferred that described bus is GPIB, PCI, USB or RS232.
The most progressive effect of the present invention is:
The present invention is by the resistance of a fixed resistance value of connecting.And detect cell voltage and seal in charge circuit
The both end voltage of resistance of fixed resistance value, overcome the erroneous judgement of the cell voltage overvoltage that voltage pulsation causes
Disconnected, thus the data that whole charging process, discharge process collect are normal, recharge process the most normal.Keep away
Having exempted from traditional charging modes, the erroneous judgement of the cell voltage overvoltage caused due to series current table causes
The mistake of battery charging measurement data, it is ensured that the accuracy of test data.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the battery charging test device of prior art.
Fig. 2 is the circuit structure block diagram of the preferred embodiment of the battery charging test device of the present invention.
Detailed description of the invention
Provide present pre-ferred embodiments below in conjunction with the accompanying drawings, to describe technical scheme in detail.
It is the circuit structure block diagram of the battery charging test device of the present invention shown in Fig. 2, wherein said electricity
Pond charging measurement device includes charhing unit 1, battery 2, resistance 5, an one plurality of voltages data acquisition
Storage 6, one voltage data processing unit 7, memory element 8, display device 9 and storage lattice
Formula converting unit 10.
Wherein said charhing unit 1 electrically connects with battery 2, for charging for battery 2；Described electricity
Resistance 5 is series between charger 1 and battery 2；Described plurality of voltages data acquisition unit 6 and battery 2
Electrically connect with resistance 5, for detecting the voltage of described battery 2 and resistance 5 respectively；Described voltage number
Electrically connect with plurality of voltages data acquisition unit 6 according to processing unit 7, for by described plurality of voltages data acquisition
The voltage data that storage 6 gathers is converted to current data, and stores the resistance of described resistance 5；Described
Storage device 8 electrically connects with voltage data processing unit 7, is used for storing plurality of voltages data acquisition unit 6
The current data that the voltage data gathered and described voltage data processing unit 7 generate；Described display
Device 9 electrically connects with voltage data processing unit 7, is used for showing that plurality of voltages data acquisition unit 6 gathers
Voltage data and described voltage data processing unit 7 generate current data；Described storage format
Converting unit 10 electrically connects with memory element 8, for voltage data and the electricity of conversion memory unit storage
The storage format of flow data.
In the present embodiment, the storage format after described storage format converting unit 10 is changed is xls
Form, those skilled in the art according to actual needs and requirement can use other storage format.
Such as txt form or word form etc..
In addition described plurality of voltages data acquisition unit 6 processes single by a bus and described voltage data
Unit 7 electrical connection.The most in this embodiment, described bus is GPIB (general purpose interface bus), ability
The technical staff in territory according to actual needs and requirement can use other bus, and such as, PCI is (outer
If component connection) bus, USB (USB (universal serial bus)) and RS232 bus etc..
The operation principle of the battery charging test device of the present embodiment is as follows:
First, in plurality of voltages data acquisition unit 6, preset the resistance of resistance 5.Hereafter charging is worked as
After unit 1 starts to be charged battery 2, plurality of voltages data acquisition unit 6 gathers battery 2 two ends
Voltage and the voltage at resistance 5 two ends.
Then, voltage data processing unit 7 reads in 2 liang of the battery that plurality of voltages data acquisition unit 6 gathers
The voltage data of end and the voltage data at resistance 5 two ends, and according to the formula I=U/R of current/voltage with
And the voltage data at resistance 5 two ends is converted to the electric current number in charge circuit by the resistance of the resistance 5 preset
According to.
Hereafter, memory element 8 stores in the charge circuit that voltage data processing unit 7 is converted to
The voltage data at battery 2 two ends that current data and plurality of voltages data acquisition unit 6 gather and resistance
The voltage data at 5 two ends；Meanwhile display device 9 receives and shows above-mentioned processing through voltage data
Current data in the charge circuit that unit 7 is converted to and plurality of voltages data acquisition unit 6 gather
The voltage data at battery 2 two ends and the voltage data at resistance 5 two ends.
Then, storage format converting unit 10 processes list by store in memory element 8 through voltage data
Current data in the charge circuit that unit 7 is converted to and the electricity of plurality of voltages data acquisition unit 6 collection
The voltage data at two ends, pond 2 and the voltage data at resistance 5 two ends are converted to xls form.Hereafter user
Can read or analyze electric current and the voltage data of described xls form as required.
Although the foregoing describing the detailed description of the invention of the present invention, but those skilled in the art should managing
Solving, these are merely illustrative of, and protection scope of the present invention is defined by the appended claims.This
The technical staff in field, can be to these embodiment party on the premise of without departing substantially from the principle of the present invention and essence
Formula makes various changes or modifications, but these changes and amendment each fall within protection scope of the present invention.
Claims (6)
1. a battery charging test device, including a battery, a charhing unit, it is characterised in that
Described battery charging test device also includes:
One resistance, is series between described battery and charhing unit；
One plurality of voltages data acquisition unit, for detecting the voltage of described battery and resistance respectively；
One voltage data processing unit, is used for the resistance according to described resistance by described plurality of voltages data acquisition
The voltage data of storage collection is converted to current data, and stores the resistance of described resistance.
2. battery charging test device as claimed in claim 1, it is characterised in that described battery
Charging measurement device also includes a memory element, for storing the voltage that plurality of voltages data acquisition unit gathers
The current data that data and described voltage data processing unit generate.
3. battery charging test device as claimed in claim 2, it is characterised in that described battery
Charging measurement device also includes a storage format converting unit, for the voltage number of conversion memory unit storage
According to the storage format with current data.
4. battery charging test device as claimed in claim 1, it is characterised in that described battery
Charging measurement device also includes a display device, for showing the voltage that plurality of voltages data acquisition unit gathers
The current data that data and described voltage data processing unit generate.
5. battery charging test device as claimed in claim 1, it is characterised in that described multichannel
Voltage data harvester is electrically connected with described voltage data processing unit by a bus.
6. battery charging test device as claimed in claim 5, it is characterised in that described bus
For GPIB, PCI, USB or RS232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599779.5A CN102540078B (en) | 2010-12-17 | Battery charging test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599779.5A CN102540078B (en) | 2010-12-17 | Battery charging test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102540078A CN102540078A (en) | 2012-07-04 |
| CN102540078B true CN102540078B (en) | 2016-11-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769900Y (en) * | 2005-02-07 | 2006-04-05 | 杭州华塑电子设备有限公司 | Accumulator battery on-line monitoring system |
| CN101277022A (en) * | 2007-03-28 | 2008-10-01 | 深圳市比克电池有限公司 | Charging equalization circuit and charging device |
| CN101430368A (en) * | 2008-09-12 | 2009-05-13 | 张天任 | Full-automatic charge-discharge intelligent data acquisition system of accumulator |
| CN201392388Y (en) * | 2008-08-27 | 2010-01-27 | 福建师范大学 | Single body voltage on-line monitoring device for accumulator battery |
| CN101718849A (en) * | 2009-11-30 | 2010-06-02 | 浙江工业大学 | Automatic calibration system of charge/discharge detection instrument of storage battery |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769900Y (en) * | 2005-02-07 | 2006-04-05 | 杭州华塑电子设备有限公司 | Accumulator battery on-line monitoring system |
| CN101277022A (en) * | 2007-03-28 | 2008-10-01 | 深圳市比克电池有限公司 | Charging equalization circuit and charging device |
| CN201392388Y (en) * | 2008-08-27 | 2010-01-27 | 福建师范大学 | Single body voltage on-line monitoring device for accumulator battery |
| CN101430368A (en) * | 2008-09-12 | 2009-05-13 | 张天任 | Full-automatic charge-discharge intelligent data acquisition system of accumulator |
| CN101718849A (en) * | 2009-11-30 | 2010-06-02 | 浙江工业大学 | Automatic calibration system of charge/discharge detection instrument of storage battery |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 110136 Shenyang, Shenbei New Area Province Economic Development Zone, justice, Shen North Road, No. 51, No. Patentee after: Shenyang Liansheng Technology Co., Ltd. Address before: 110136 Shenyang, Shenbei New Area Province Economic Development Zone, justice, Shen North Road, No. 51, No. Patentee before: Shenyang New Postcom Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20201217 |