CN101008668A - High accuracy detecting system of lithium batteries - Google Patents
High accuracy detecting system of lithium batteries Download PDFInfo
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- CN101008668A CN101008668A CNA200710062793XA CN200710062793A CN101008668A CN 101008668 A CN101008668 A CN 101008668A CN A200710062793X A CNA200710062793X A CN A200710062793XA CN 200710062793 A CN200710062793 A CN 200710062793A CN 101008668 A CN101008668 A CN 101008668A
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- battery
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- lithium batteries
- detecting system
- accuracy detecting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
This invention discloses one high accurate lithium battery detection system, which comprises metering circuit, memory, single machine, LCD display screen and relative drive circuit for data conversion through single machine and meter circuit to make meter data of charge current, discharge current, charge remaining time, discharge remain time, whole battery remaining volume and usage container percentage and output voltage onto LCD display screen.
Description
Technical field
The present invention relates to a kind of electronic equipment, relate in particular to a kind of high accuracy detecting system of lithium batteries.
Background technology
Develop rapidly along with the communications electronics technology; movable equipment in the market is more and more; more special high-end industrial test instrument and meters, medical detection try equipment; and digital products such as some electric tools (as electric bicycle), portable DVD player, they require very high to the power of primary power: the one, and capacity required is big, the 2nd, and the may command performance is strong, the 3rd, the stability of defencive function.
The removable battery that can be recycled according to type mainly contains with property sort at present:
Ni-Cd nickel-cadmium (Ni-Cd Nickel Cadmium Battery)
Nickel-hydrogen chargeable cell (Ni-MH Nickel Metal Hyoride Battery)
Lithium rechargeable batteries (Rechargeable Lithium ion Battery)
Lithium polymer battery (claiming high-polymer lithium battery again) (Li-polymer)
Lead-acid battery (Sealed Lead-Acid Battery)
From the operating position of whole market and the serviceable life of these batteries, the characteristic of lithium battery is relatively outstanding, advantages such as it has that in light weight, capacity is big, memory-less effect, high security and low cost, thereby obtained present widespread usage---present many move be equipped with, digital equipment all adopted lithium battery, it is compared with Ni-MH battery, weight is light by 30～40% than ni-mh, and energy but exceeds 60%.Just because of this, the energy density of lithium ion battery is very high, and its capacity is 1.5～2 times with the Ni-MH battery of weight, discharges and recharges number of times and can reach more than 500 times, and have very low self-discharge rate.In addition, almost not have " memory effect " and do not contain advantages such as Toxic matter also be the major reason of its widespread use to lithium ion battery.Introduced the most frequently used battery in the market above, yet they have a common feature, the security feature when using requires very high, therefore all needs the complete protection system of a cover that it is charged and discharges use.
Summary of the invention
The present invention is intended to solve the problem that existing lithium battery exists, and provides a kind of lithium battery is had high-precision detecting system.
High accuracy detecting system of lithium batteries of the present invention is to packaged battery or is installed in and recycles data parameters such as battery effectively discharges and recharges in the system and carry out accurate recording.
According to the voltage difference that different equipment uses, system can regulate and change according to different demands.
High accuracy detecting system of lithium batteries of the present invention comprises metering circuit, storer, single-chip microcomputer, LCD display and corresponding driving circuit, carry out data-switching by described single-chip microcomputer and described metering circuit, make continuous data be presented on the described LCD display.
Comprise a V/F transducer and an A/D transducer in the described metering circuit.
Described metering circuit is supported intelligent battery data command and charging control function, and using system is managed total stipulations or the communication of the HDQ16 of Benchmarp company stipulations.
Described data command comprises battery remaining power, temperature, voltage, electric current and the remaining runtime of estimating.
Described storer storage configuration information, comprise battery chemical property, discharge and recharge ratio, temperature compensation coefficient, measurement update coefficient, design voltage and capacity.
During use, system need carry out once initialized process to entire cell, and described battery is done once complete discharging and recharging, and preserves the accurate capacity of described battery.
System emphasizes temperature survey, uses electroregulator to measure and monitor the packaged battery temperature, judges charge condition of battery, and its self discharge and charging electrical efficiency are compensated.
The parameter that demonstrates on LCD display comprises: system's charging current, discharge current, charging excess time, discharge excess time, the last capacity of entire cell, use volume percent and output voltage.
Compared with prior art, the invention has the beneficial effects as follows:
(1) realized real-time monitoring and control, the user can grasp the duty and the equipment operating position of each time point entire cell, when having solved in the past electrolytic cell operation parameter situation, read with professional tool, and the result is problem intuitively not;
(2) as seen all clear wash rice of every parameter of battery and equipment can prevent a series of problems that improper operation causes;
(3) when grasping battery operated state, can charge, discharge under the situation accurately,, prolong its serviceable life to keep the optimum Working of battery;
(4) kept GPF (General Protection False function, given prominence to the importance of temperature protection more battery.
Description of drawings
Fig. 1 is the high accuracy detecting system of lithium batteries structural representation.
Embodiment
Now reaching embodiment in conjunction with the accompanying drawings is described in further detail the present invention.
High accuracy detecting system of lithium batteries of the present invention can be to packaged battery or is installed in data parameters such as effectively discharging and recharging of the battery that recycles in the system and carries out accurate recording.Follow the different voltages that use according to different equipment, system follows according to different demands and regulates and change.
Fig. 1 is the high accuracy detecting system of lithium batteries structural representation.With reference to figure 1, wherein 101 represent single-unit lithium battery or lithium battery groups, the integrated circuit 104 that the BQ2060 chip is housed is connected on the two ends of lithium battery (group) 101, is used for the can be recycled capacity of battery and other parameter of standard code such as lithium ion or polymkeric substance monitored; Wherein use a V/F transducer to discharging and recharging the metering automatic deviation correction, voltage, temperature and electric current are reported, re-use A/D transducer 105.BQ2060 supports intelligent battery data (SBData) order and charging control function, using system management bus stipulations (SMBus) or the communication of the HDQ16 of Benchmarp company stipulations.Data comprise battery remaining power, temperature, voltage, electric current and the remaining runtime of estimating.EEPROM103 and the output control part 107 in addition that are connected with the BQ2060 chip.Wherein EEPROM103 is a BQ2060 storage configuration information, as the chemical property of battery, the ratio of locating to discharge, temperature compensation coefficient, measurement update coefficient, design voltage and capacity etc., and the parameter of change is refreshed.By connecting AT89C4051 single-chip microcomputer 206, the analog signal conversion of BQ2060 is become data-signal, convert to by data converter again and want the data presented signal, thus the multiple demonstration of realization related data.LCD chip for driving 108 is presented at the data-signal that transmits on the LCD display 109, comprising:
1, the parameter of system's charging current
2, the parameter of discharge current
3, the parameter of charging excess time
4, the parameter of discharging excess time
5, the parameter of the last capacity of entire cell
6, use the parameter of volume percent
7, the parameter of output voltage.
Entire circuit will be carried out once complete charge and discharge process to battery initialized the time, so that systematic learning is to the accurate amount of capacity of battery.System emphasizes temperature survey, uses electroregulator to measure and monitor the packaged battery temperature, judges charge condition of battery, and its self discharge and charging electrical efficiency are compensated.
The above embodiment only is the preferred embodiments of the present invention; the invention is not restricted to the foregoing description; for persons skilled in the art; the any conspicuous change of under the prerequisite that does not deviate from the principle of the invention it being done all belongs to the protection domain of design of the present invention and claims.
Claims (8)
1. high accuracy detecting system of lithium batteries, it is characterized in that: comprise metering circuit, storer, single-chip microcomputer, LCD display and corresponding driving circuit, carry out data-switching by described single-chip microcomputer and described metering circuit, make continuous data be presented on the described LCD display.
2. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: comprise a V/F transducer and an A/D transducer in the described metering circuit.
3. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: described metering circuit is supported intelligent battery data command and charging control function, and using system is managed total stipulations or the communication of the HDQ16 of Benchmarp company stipulations.
4. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: described data command comprises battery remaining power, temperature, voltage, electric current and the remaining runtime of estimating.
5 high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: described storer storage configuration information, comprise battery chemical property, discharge and recharge ratio, temperature compensation coefficient, measurement update coefficient, design voltage and capacity.
6. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: during use, system need carry out once initialized process to entire cell, and described battery is done once complete discharging and recharging, and preserves the accurate capacity of described battery.
7. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: system emphasizes temperature survey, uses electroregulator to measure and monitor the packaged battery temperature, judges charge condition of battery, and its self discharge and charging electrical efficiency are compensated.
8. high accuracy detecting system of lithium batteries according to claim 1 is characterized in that: the parameter that demonstrates on LCD display comprises: system's charging current, discharge current, charging excess time, discharge excess time, the last capacity of entire cell, use volume percent and output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710062793XA CN101008668A (en) | 2007-01-17 | 2007-01-17 | High accuracy detecting system of lithium batteries |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200710062793XA CN101008668A (en) | 2007-01-17 | 2007-01-17 | High accuracy detecting system of lithium batteries |
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| CN101008668A true CN101008668A (en) | 2007-08-01 |
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| CNA200710062793XA Pending CN101008668A (en) | 2007-01-17 | 2007-01-17 | High accuracy detecting system of lithium batteries |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900793A (en) * | 2010-07-30 | 2010-12-01 | 盈正豫顺电子股份有限公司 | Battery discharge residual time estimating method |
| CN101726705B (en) * | 2008-10-20 | 2012-07-04 | 广达电脑股份有限公司 | Battery service life warning system and method |
| CN103328996A (en) * | 2011-01-05 | 2013-09-25 | 株式会社Lg化学 | Method and device for estimating available time for battery |
| CN103855434A (en) * | 2012-11-28 | 2014-06-11 | 上海航天有线电厂 | Power lithium ion battery maintenance system based on touch screen |
| WO2014121532A1 (en) * | 2013-02-08 | 2014-08-14 | 晋江华威电源有限公司 | Novel intelligent storage battery |
| CN104101839A (en) * | 2013-04-09 | 2014-10-15 | 东莞钜威新能源有限公司 | Electric quantity detection system and electric quantity detection method |
| CN105539173A (en) * | 2015-12-16 | 2016-05-04 | 德阳九鼎智远知识产权运营有限公司 | Battery charging/discharging monitoring and controlling system for electric vehicle and monitoring and controlling method thereof |
| CN106908727A (en) * | 2015-12-22 | 2017-06-30 | 郑州比克电池有限公司 | The method for precisely detecting lithium ion battery self discharge |
| CN113534699A (en) * | 2021-06-29 | 2021-10-22 | 山东精工电源科技有限公司 | Lithium battery coulomb electric quantity control system based on communication protocol and control method thereof |
| TWI773427B (en) * | 2021-07-09 | 2022-08-01 | 佐茂股份有限公司 | Automatic calibration device for voltage and temperature of battery control board and calibration method thereof |
-
2007
- 2007-01-17 CN CNA200710062793XA patent/CN101008668A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726705B (en) * | 2008-10-20 | 2012-07-04 | 广达电脑股份有限公司 | Battery service life warning system and method |
| CN101900793B (en) * | 2010-07-30 | 2013-02-27 | 盈正豫顺电子股份有限公司 | Battery discharge residual time estimating method |
| CN101900793A (en) * | 2010-07-30 | 2010-12-01 | 盈正豫顺电子股份有限公司 | Battery discharge residual time estimating method |
| CN103328996B (en) * | 2011-01-05 | 2016-05-18 | 株式会社Lg化学 | Estimate apparatus and method, the battery pack that comprises this device and the vehicle of the pot life of battery |
| CN103328996A (en) * | 2011-01-05 | 2013-09-25 | 株式会社Lg化学 | Method and device for estimating available time for battery |
| CN103855434B (en) * | 2012-11-28 | 2016-05-18 | 上海航天有线电厂 | Power lithium-ion battery maintenance system based on touch-screen |
| CN103855434A (en) * | 2012-11-28 | 2014-06-11 | 上海航天有线电厂 | Power lithium ion battery maintenance system based on touch screen |
| WO2014121532A1 (en) * | 2013-02-08 | 2014-08-14 | 晋江华威电源有限公司 | Novel intelligent storage battery |
| CN104101839A (en) * | 2013-04-09 | 2014-10-15 | 东莞钜威新能源有限公司 | Electric quantity detection system and electric quantity detection method |
| CN105539173A (en) * | 2015-12-16 | 2016-05-04 | 德阳九鼎智远知识产权运营有限公司 | Battery charging/discharging monitoring and controlling system for electric vehicle and monitoring and controlling method thereof |
| CN106908727A (en) * | 2015-12-22 | 2017-06-30 | 郑州比克电池有限公司 | The method for precisely detecting lithium ion battery self discharge |
| CN113534699A (en) * | 2021-06-29 | 2021-10-22 | 山东精工电源科技有限公司 | Lithium battery coulomb electric quantity control system based on communication protocol and control method thereof |
| TWI773427B (en) * | 2021-07-09 | 2022-08-01 | 佐茂股份有限公司 | Automatic calibration device for voltage and temperature of battery control board and calibration method thereof |
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