CN2267467Y - Intelligent instrument for monitoring the performance of accumulator - Google Patents
Intelligent instrument for monitoring the performance of accumulator Download PDFInfo
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- CN2267467Y CN2267467Y CN 96233259 CN96233259U CN2267467Y CN 2267467 Y CN2267467 Y CN 2267467Y CN 96233259 CN96233259 CN 96233259 CN 96233259 U CN96233259 U CN 96233259U CN 2267467 Y CN2267467 Y CN 2267467Y
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Abstract
The utility model discloses an intelligent monitor for the performance of accumulators, and belongs to the fast monitoring instrument of the combination performance of the accumulators. The utility model is composed of an AC constant current detecting signal source module unit, an AC current detecting module unit, an AC voltage detecting module unit, a data processing and control unit, an accumulator standard conductance data module unit, an alarm displaying and printing unit, a special power supply, a temperature sensor, an input keyboard and a communication interface. The utility model can realize fast, automatic and intelligent (comparison) judgment of the performance of the accumulators by timed detecting AC conductance values of the accumulator and comparing the AC conductance values with standard conductance values.
Description
The utility model relates to a kind of accumulator property intelligent monitor, belongs to accumulator combination property fast monitored instrument.
Accumulator is a requisite energy storage device in the back-up source of systems such as electric system, telecom communication system, petrochemical complex, civil aviation mangement and navigation, computing machine.The performance condition of accumulator directly influences the reliability of back-up source.The test of traditional accumulator property is that proportion, temperature that each accumulator is surveyed its charging and discharging curve, electrolytic solution are judged accumulator capacity and changes of properties.This method power consumption is big, minute is long.Abroad have and adopt microcomputer monitoring charging and discharging of accumulator electric current, analyze gas that accumulator emits and battery temp and determine accumulator capacity, but the instrument complexity of this method, cost height, Measuring Time are long." accumulator capacity Microcomputer Detecting instrument " (88218843) of Chinese patent are to adopt microcomputer that accumulator is filled continuously, the method that discharge stream detects is determined the capacity of accumulator, " monitor of accumulator and DC power-supply system " (921022387) are to adopt the continuous monitoring and the introducing " temperature compensation " of floating charging electric current and discharge current are proofreaied and correct, remain and belong to the method discharge and recharge of measuring, " electric properties of battery unit method of testing " (92113438.X) then adopts test and relatively battery tension and DC internal resistance are declared the characteristic of knowing indivedual accumulators with respect to the characteristic method of time.The utility model adopts Single-chip Controlling test accumulator conductance for alternating current value and relatively judges the monitoring method of accumulator property with the standard electric conductivity value, and accumulator property is carried out on-line monitoring, and has test rapidly, accurately and monitor characteristics easily.
The purpose of the utility model design, be to provide a kind of simple in structure, test rapidly, accurately, and can overcome the deficiency of above-mentioned testing scheme, adopt the principle of test accumulator conductance for alternating current value to judge accumulator property, form a kind of can to accumulator property carry out on-line monitoring, accumulator property on-line intelligence monitor cheaply.
Technical solution of the present utility model, be to adopt the data processing and the control grass unit that constitute by single card microcomputer to control down, exchanging constant current detection signal modular unit applies constant interchange detection electric current regularly for monitored accumulator, alternating voltage detection module unit patrols the interchange charging/discharging voltage of widely different each single battery of detection, alternating current detection module unit detects the interchange charging and discharging currents by accumulator, institute's test cross stream charging and discharging currents and voltage send data processing and control module to carry out data processing and computing after the A/D conversion, can obtain the conductance for alternating current value of each single battery, institute's test cross flows electric conductivity value and is stored in accumulator standard electric derivative and compares according to the standard electric conductivity value in the modular unit, can judge the performance of each single battery, the rotten accumulator that exceeds the standard electric conductivity value is shown automatically, report to the police and print family curve, and by communication interface accumulator parameter is served the bit machine remote signalling and control, thereby realize online, accurately, monitor the characteristic of accumulator rapidly and easily.
Advantage of the present utility model is: (1) adopts the conductance for alternating current value to judge that accumulator property has fast, accurate, advantages of simple operation, (2) adopt modular design method can dispose corresponding module according to user's needs, can reduce cost, improve the P/C ratio.
Below with embodiment and in conjunction with the accompanying drawings project organization of the present utility model is described in detail as follows:
Fig. 1 is the utility model electric control principle block scheme;
Fig. 2 is the standard electric conductivity value and the life of storage battery graph of relation of accumulator;
Fig. 3 exchanges constant current sensed signal sources modular unit schematic diagram;
Fig. 4 is alternating current detection module element circuit figure;
Fig. 5 is alternating voltage detection module element circuit figure;
Fig. 6 is a main program flow chart of the present utility model.
The utility model as shown in Figure 1, it by exchange constant current sensed signal sources modular unit [1], alternating current detection module unit [2], alternating voltage detection module unit [3], data processing and control module [4], accumulator standard electric derivative is formed according to modular unit [5], display alarm print unit [6], power source special [7], temperature sensor [8], input keyboard [9] and communication interface [10].Described interchange constant current sensed signal sources modular unit [1] regularly gives monitored accumulator [14] and applies constant interchange detection electric current under data processing and control module [4] control, data processing and control module [4] are sent detected interchange charging and discharging currents by accumulator [14] in alternating current detection module unit [2], alternating voltage detection module unit [3] is then sent into data processing and control module [4] with accumulator [14] the monomer positive pole of gathering with the charging/discharging voltage that exchanges at negative pole two ends, data processing and control module [4] to the interchange charging and discharging currents sent into exchange the conductance for alternating current value that charging/discharging voltage carries out obtaining after data processing and the computing each single battery, this conductance for alternating current value be stored in accumulator standard electric derivative and compare according to the standard electric conductivity value in the modular unit [5], the single battery of the electric conductivity value that is above standard ± 20% is shown, report to the police and printing.It is characterized in that: (1) interchange constant current sensed signal sources modular unit [1] regularly gives tested accumulator [14] and applies constant interchange detection electric current, 2. accumulator [14] is applied and exchange the AC charging electric conductivity value that forward detection electric current can record single battery, accumulator [14] is applied the alternating current discharge electric conductivity value that interchange inverse detection electric current can record electric power storage [14] monomer, the standard electric conductivity value of institute's test cross stream electric conductivity value and accumulator relatively, just can judge the performance change of single battery in the accumulator [14] rapidly, 3. alternating current detection module unit [2] can detect with alternating voltage detection module unit [3] and exchange charging and discharging currents, exchange the charging/discharging voltage signal, and will exchange charging and discharging currents, voltage signal send data processing and control module [4] to carry out data processing and computing, can record the AC charging electric conductivity value and the alternating current discharge electric conductivity value of accumulator [14] monomer, (4) accumulator standard electric derivative is according to storing the different factories of deviser by experimental test in the modular unit [5], different model, the standard electric alternating current of the accumulator of specification under different temperatures led Value Data, (5) exchange constant current sensed signal sources [1] and can select by the model specification of accumulator the interchange constant current value that accumulator applies, the time interval that accumulator is applied interchange constant current detection signal also can be set according to actual conditions.
Existing equipment is made up of charger, load and accumulator [14] as shown in Figure 1, does not belong to this instrument scope.When the utility model uses, need alternating current detection module unit [2] is series at formation alternating current detection loop in the accumulator major loop, each docking point of multi-way switch in the alternating voltage detection module unit [3] is connected on the positive pole and negative pole of each monomer of accumulator [14], constitute alternating voltage and detect the loop, temperature sensor only detects the running temperature of accumulator, does not have getting in touch of electricity with accumulator.
As shown in Figure 3, exchange the constant current sensed signal sources touch module unit [1] by constant-current circuit, cross the zero option trigger and two antiparallel thyristors are formed.The computing machine of data processing and control module [4] sent the forward trigger pulse for the zero option trigger by the time interval of setting, trigger the forward thyristor and make its conducting, apply forward for tested accumulator [14] and exchange the detection electric current, to measure the AC charging electric conductivity value, behind the certain interval of time, computing machine sends reverse trigger pulse to crossing the zero option trigger, triggers reverse thyristor conducting, apply Opposed crossing for tested accumulator [14] and detect electric current, to measure the alternating current discharge electric conductivity value.
As shown in Figure 4, alternating current detection module unit [2] are made up of current sensor S0, polarity Discr. N9:A, phase inverter N16, low-resistance two-way switch N8:A, N8:D, phase inverter N12.When needs are monitored the conductance for alternating current value of accumulator [14] monomer, synchronization pulse is sent in data processing and control module unit [4], make interchange constant current sensed signal sources modular unit [1] apply to exchange forward or backwards and detect electric current accumulator [14], current sensor S0 in the alternating current detection module unit [7] detects the ac current signal that accumulator [14] major loop direct current exchanges in the mixed signal, and be transformed to one and can reflect and exchange charging and discharging currents voltage of signals signal UI, by polarity Discr. N9:A detected ac current signal is carried out polarity through the amplifier amplification and differentiate U when interchange constant current sensed signal sources modular unit [1] applies forward AC charging electric current to accumulator [14]
I＞0,2 pin of polarity Discr. N9:A are high level, one circuit is with this high level signal input computing machine, high level signal shows that polarity is " just ", with right, and this high level signal control low-resistance two-way switch N8:A conducting, output is on the occasion of signal, and carry out being defeated by data processing after the A/D conversion and control module [4] carries out data processing and computing, be used to calculate the AC charging electric conductivity value, U when exchanging constant current sensed signal sources modular unit [1] accumulator [14] is applied the Opposed crossing discharge current
I＜0, the 2 pin output low levels of polarity Discr. N9:A, one road direction computing machine output low level signal, show polarity be " bearing ", simultaneously footpath phase inverter N16:A anti-phase after, control low-resistance two-way switch N8:D conducting, output negative value signal, convert on the occasion of signal through phase inverter N12 again, and carry out exporting to after the A/D conversion computing machine of data processing and control module [4], and carry out data processing and computing, be used to calculate the alternating current discharge electric conductivity value.
As shown in Figure 5, alternating voltage detection module unit [3] are by the photoelectric-isolated multi-way switch, form every orthogonal stream voltage detecting circuit module.Multi-way switch adopts photoelectricity to isolate and the contact isolates, can improve the on-the-spot anti-dried ability of using of scratching, its each docking point can directly connect 6V, 12V accumulator [14] monomer positive pole and negative pole, the power supply that photoelectricity is isolated and the contact isolates is taken from tested accumulator [14], like this, can simplify circuit structure, the feeder number of multi-way switch is determined by the actual needs number of accumulator [14], each single battery has pair of lead wires, any moment, can only have pair of contact to connect, interlock function is by data processing and control module [4] control.Every orthogonal stream voltage detecting circuit by-series connection 50Hz resonant tank, bi-directional voltage stabilizing diode D1, alternating voltage detecting device, resistance R 2, inductance L 2 capacitor C, 2 shunt-resonant circuits and amplifier that inductance L 1 capacitor C 1 constitutes form.When exchanging constant current sensed signal sources modular unit [1] when accumulator [14] applies forward or backwards alternating-current detection signal, the voltage signal that is mixed with alternating component and flip-flop between single battery positive pole and the negative pole is added in D1, L1, C1 series circuit two ends, at this moment, L1, the 5OHz resonant tank that the C1 series connection constitutes makes alternating component be added in the D1 two ends, the direct current composition is added in the C1 two ends, the ac voltage signal at D1 two ends is introduced the input end of alternating voltage detecting device, can export a direct current electric current at output terminal, and formation direct current pressure drop on R2, adjust the R2 value, make the magnitude of voltage at its two ends become the corresponding relation of integral multiple with tested ac voltage, after amplifier amplifies, the synchronous floating voltage of output 0-5V, input data processing and control module [4] are used to calculate the conductance for alternating current value after the A/D conversion.
As shown in Figure 1, data processing and control module [4] adopt has one-chip computer formation a plurality of interfaces and A/D transducer, that strong data processing, calculation function are arranged, it is 8098 one-chip computer that present embodiment is selected CPU for use, like this, can establish the A/D transducer in addition, thereby simplify circuit greatly.Data processing and control module [4] under specific program is supported, realize to data collection, processing, computing, control, output and function such as communicate by letter.After the accumulator property intelligent monitor starts, data processing and control module [4] promptly begin to carry out master routine, send synchronization pulse, exchange constant current sensed signal sources modular unit [1] and apply constant AC signal to accumulator [14] by pre-set time interval, data processing and control module [4] control alternating voltage detection module unit [3] is gathered the AC charging voltage or the alternating current discharge voltage at the anodal and negative pole two ends of each single battery at one time at interval respectively, data processing and control module [4] control alternating current detection module unit [2] detects AC charging electric current or the alternating current discharge electric current by accumulator [14] simultaneously, data processing and control module [4] are to detected AC charging electric current or alternating current discharge electric current, AC charging voltage or alternating current discharge voltage carry out data processing and computing, obtain the AC charging electric conductivity value or the alternating current discharge electric conductivity value of accumulator [14] monomer, data processing and control module [4] with the conductance for alternating current value that records be stored in accumulator standard electric derivative and compare according to the standard electric conductivity value in the modular unit [5], electric conductivity value ± 20% if the conductance for alternating current value that records is above standard, promptly assert this single battery performance variation, at this moment data processing and control module [4] just output signal to [6] display alarm of display alarm print unit or printing, and also exportable signal is handled the distant host computer of delivering to of the performance data of this single battery to communication interface [10].
As shown in Figure 6, the computing machine main program flow chart of data processing and control module [4], its program description is as follows: after the accumulator property intelligent monitor starts, the computing machine of data processing and control module [4] promptly begins to carry out master routine, after initialization, the multichannel disconnector of computing machine gating alternating voltage detection module unit [3], send synchronization pulse simultaneously, trigger the forward thyristor conducting that exchanges constant current sensed signal sources modular unit [1], make it exchange constant-current circuit and apply forward AC charging electric current to accumulator [14], the computing machine machine of data processing and control module [4] is read the AC charging voltage at the anodal and negative level of accumulator [14] monomer two ends by alternating current detection module unit [2] and alternating voltage detection module unit [3] and is passed through the AC charging electric current of accumulator [14], the line data of going forward side by side is handled and computing, obtain the AC charging electric conductivity value of accumulator, computing machine sends pulse signal again after delaying time, trigger the reverse thyristor conducting that exchanges constant current sensed signal sources modular unit [1], make it exchange constant-current circuit and apply the Opposed crossing discharge current to accumulator [14], the computing machine of data processing and control module [4] is read the alternating current discharge electric current that accumulator [14] was pressed and passed through to accumulator [4] monomer alternating current discharge piezoelectricity anodal and the negative pole two ends by alternating voltage detection module unit [3] and alternating current detection module unit [2], the line data of going forward side by side is handled and computing, obtain the alternating current discharge electric conductivity value of accumulator [14] monomer, behind the AC charging electric conductivity value of this single battery of continuous detecting and alternating current discharge electric conductivity value 5 times, get the testing result of the weighted mean value of the AC charging electric conductivity value that detects for these 5 times and the alternating current discharge value of leading as the conductance for alternating current value, and be stored in accumulator standard electric derivative and compare according to the standard electric conductivity value in the modular unit [5], as the conductance for alternating current value of the single battery that records be above standard electric conductivity value ± 20%, the rotten or damage of this single battery is described, the computing machine of data processing and control module [4] sends signal and carries out the display alarm printing, or serve bit machine by communication interface [10] and handle, as the conductance for alternating current value of detected accumulator [14] monomer in critical field, then according to the pre-determined time interval, after delaying time, the multichannel disconnector of alternating voltage detection module unit [3] adds 1, detect the conductance for alternating current value of the next monomer of accumulator [14], extremely the whole monomers to accumulator [14] check out.
As shown in Figure 1, accumulator standard electric derivative is that nonvolatile memory by the standard electric conductivity value that stores different manufacturers, different model specification accumulator constitutes according to modular unit [5].Accumulator standard electric conductivity value is the conductance for alternating current value of accumulator when different running temperature of surveying different model that different batteries factory makes, specification according to the deviser, the data set that obtains after data processing.
As shown in Figure 1, the major function of input keyboard [9] is to the computing machine input control program of data processing and control module [4], operation program, setting-up time at interval, imports the standard electric conductivity value to accumulator standard electric derivative according to modular unit [5].
As shown in Figure 1, power source special [7] is to the anti-dried power supply of scratching of the special use of each unit power supply of the present utility model.
As shown in Figure 2, the curve of the life-span of accumulator and conductance for alternating current relation, curve one has been described the normalized curve of single battery in lifetime, when curve two has been described the single battery degradation, the situation that the conductance for alternating current value descends rapidly, curve three has been described the curve when there is partial short-circuit single battery inside.Test repeatedly through the deviser, when the conductance for alternating current value of some single batteries surpasses the ⊥ 20% of reference value, can find that then single battery has damaged or degradation, accumulator conductance for alternating current reference value is to determine according to the accumulator of the different model of different vendor's production, specification.The conductance for alternating current value that this accumulator property intelligent monitor is measured, be after accumulator is applied constant interchange detection electric current, the AC charging electric current or the alternating current discharge that record with alternating current detection module unit [2] flow, with record the AC charging voltage of single battery or the ratio of alternating current discharge voltage with alternating voltage detection module unit [3], be the AC charging electric conductivity value or the alternating current discharge electric conductivity value of this single battery, the AC charging electric conductivity value and the alternating current discharge electric conductivity value that measure for 5 times are weighted average back as test result, but the metallic conductance of conductance for alternating current value combined reaction accumulator plate, the conductive capability of electrolytic solution, electric capacity between pole plate, the electricity of inductance is led etc., it not only with the manufactured materials of accumulator, structure, the concentration of electrolytic solution, temperature is relevant, and with service time of accumulator, discharge and recharge number of times etc. relation is all arranged, experimental results show that, serial connection charge or the discharge simultaneously of the same specification accumulator of the same model of same manufacturer production, when being in identical running temperature, the conductance for alternating current value of every single battery has stable consistance.No matter what reason make accumulator conductance for alternating current value change to surpass reference value ± 20%, all represent the performance depreciation of this accumulator or damaged that therefore, the method for available measurement single battery conductance for alternating current value is judged the performance of accumulator fast.
As follows to the principle of work brief description of this accumulator property intelligent monitor below: as shown in Figure 1, under the control of data processing and control module [4], exchange constant current sensed signal sources modular unit [1] and regularly detected accumulator [14] is applied constant interchange detection electric current, alternating current detection module unit [2] and alternating voltage detection module unit [3] are with detected AC charging, discharge current signal and AC charging, the sparking voltage signal, after the A/D conversion, send data processing and control module [4] to carry out data processing and computing, can obtain the conductance for alternating current value of each monomer of accumulator [14], and be stored in accumulator standard electric derivative and compare according to the standard electric conductivity value in the modular unit [5], can judge the variation of accumulator property, the single battery that the conductance for alternating current value is changed the value of being above standard ± 20% carries out the display alarm printing, or through communication interface [10] detected performance data is served bit machine and handle.
In a word, the accumulator property intelligent monitor that designs and produces according to present embodiment, just can apply constant interchange detection electric current to tested accumulator by exchanging the constant current sensed signal sources, exchange charging/discharging voltage between the interchange charging and discharging currents that detects accumulator by testing circuit and the positive level of every single battery and negative pole, through data processing and control module detected interchange charging and discharging currents and interchange charging/discharging voltage are carried out data processing and computing, can record the AC charging electric conductivity value and the alternating current discharge electric conductivity value of single battery, and compare judgement with the standard electric conductivity value, single battery to degradation carries out display alarm and printing, maybe the performance parameter of this single battery is served bit machine by communication interface and handles.
Claims (6)
1, a kind of accumulator property intelligent monitor, it is made up of according to modular unit [5], display alarm and print unit [6], power source special [7], temperature sensor [8], input keyboard [9] and communication interface [10] interchange constant current sensed signal sources modular unit [1], alternating current detection module unit [2], alternating voltage detection module unit [3], data processing and control module [4], accumulator standard electric derivative.It is characterized in that having one and give the interchange constant current sensed signal sources modular unit [1] that tested accumulator regularly applies constant forward (or oppositely) ac test electric current; One is detected accumulator [14] and discharges and recharges alternating current detection module unit [2]; One is detected the alternating voltage detection module unit [3] that accumulator [14] monomer discharges and recharges alternating voltage; One is carried out data processing and asks it to discharge and recharge the conductance for alternating current value and compare data processing and control module [4] to judge that accumulator property changes with the standard electric conductivity value in order to control the operation of each unit and detected accumulator [14] is discharged and recharged alternating current, voltage; An accumulator standard electric derivative that stores accumulator standard electric conductivity value is according to modular unit [5].
2, as right 1 described accumulator property intelligent monitor, it is characterized in that exchanging constant current sensed signal sources modular unit [1] is by constant-current source circuit, cross zero option trigger and two antiparallel thyristors compositions, it is crossed the zero option trigger and accepts the forward trigger pulse that data processing and control module [4] send, trigger the conducting of forward thyristor, apply forward for tested accumulator [14] and exchange the detection electric current, to measure the AC charging electric conductivity value, behind the certain interval of time, cross the zero option trigger and accept reverse trigger pulse, trigger reverse thyristor conducting, apply Opposed crossing for tested accumulator [14] and detect electric current, to measure the alternating current discharge electric conductivity value.
3, as right 1 described accumulator property intelligent monitor, it is characterized in that alternating current detection module unit [2] is by current sensor, the polarity Discr., phase inverter, low-resistance two-way switch and phase inverter are formed, when exchanging constant current sensed signal sources modular unit [1] and give tested accumulator and apply the constant electric current of ac test forward or backwards, current sensor will be mixed with the direct current signal of ac current signal isolates, obtain ac current signal forward or backwards by accumulator [14], input data processing and control module [4] after the polarity Discr. is differentiated polarity and carried out the A/D conversion are used to calculate the conductance for alternating current value.
4, as right 1 described accumulator property intelligent monitor, it is characterized in that alternating voltage detection module unit [3] forms by a multichannel disconnector with every orthogonal stream voltage detecting circuit, each docking point of its multichannel disconnector connects the positive pole and the negative pole of 6V or 12V accumulator [14] monomer, under data processing and control module [4] control, any moment can only have pair of contact to connect, and the voltage signal that is mixed with alternating component and flip-flop between accumulator [14] monomer positive pole and the negative pole is added in its bi-directional voltage stabilizing diode D in orthogonal stream voltage detecting circuit
1, inductance L
1, capacitor C
1The series circuit two ends, inductance L
1, capacitor C
1The 50Hz resonant tank of series connection makes ac voltage signal be added in bi-directional voltage stabilizing diode D
1Two ends, d. c. voltage signal is added in C
1Two ends, the ac voltage signal at bi-directional voltage stabilizing diode two ends is introduced the input end of alternating voltage detecting device, then export a direct current electric current at its output terminal, and formation direct current pressure drop on Rz, adjust Rz, make the magnitude of voltage at its two ends become the corresponding relation of integral multiple with tested ac voltage, through amplify and the A/D conversion after import data processing and control module [4], be used to calculate the conductance for alternating current value.
5, as right 1 described accumulator property intelligent monitor, it is characterized in that accumulator standard electric derivative is constituted according to the nonvolatile memory of modular unit [5] by the accumulator standard electric conductivity value that stores different manufacturers, different model, specification, its conductance for alternating current value is a data set that obtains after data processing.
6, as right 1 described accumulator property intelligent monitor, it is characterized in that data processing and control module [4] are one and support by having specific program, a plurality of interfaces and A/D transducer are arranged, there is the one-chip computer of strong data processing and calculation function to constitute, its computing machine is after the accumulator property intelligent monitor starts, begin to carry out master routine, send synchronization pulse, exchange constant current sensed signal sources modular unit [1] and apply constant AC signal to accumulator [14] by pre-set time interval, the AC charging voltage or the sparking voltage at each accumulator [14] monomer positive pole and negative pole two ends gathered in computer control alternating voltage detection module unit [3], simultaneously, control alternating current detection module unit [2] detects AC charging electric current or the alternating current discharge electric current by accumulator [14], computing machine carries out data processing and computing to detected alternating current and voltage, obtain the AC charging electric conductivity value or the alternating current discharge electric conductivity value of accumulator [14] monomer, and be stored in accumulator standard electric derivative and compare according to the standard electric conductivity value in the modular unit [5], as the conductance for alternating current value that records be above standard electric conductivity value ± 20%, promptly assert single battery performance variation, this computer-chronograph outputs signal to [6] display alarm of display alarm print unit or printing, and output signal is handled the distant host computer of delivering to of the performance data of this single battery to communication interface [10].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96233259 CN2267467Y (en) | 1996-06-11 | 1996-06-11 | Intelligent instrument for monitoring the performance of accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96233259 CN2267467Y (en) | 1996-06-11 | 1996-06-11 | Intelligent instrument for monitoring the performance of accumulator |
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| CN2267467Y true CN2267467Y (en) | 1997-11-12 |
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| CN 96233259 Expired - Fee Related CN2267467Y (en) | 1996-06-11 | 1996-06-11 | Intelligent instrument for monitoring the performance of accumulator |
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| WO2007085143A1 (en) * | 2006-01-25 | 2007-08-02 | Xiancan Jian | An electric quantity detecting device for battery of electric vehicle |
| CN101034140B (en) * | 2007-03-21 | 2010-05-26 | 毛广甫 | Data comparison and control method of intelligent type battery bag |
| CN1760691B (en) * | 2004-10-12 | 2010-08-04 | 三洋电机株式会社 | Method of detecting state-of-charge of battery and power device |
| CN102004222A (en) * | 2010-09-26 | 2011-04-06 | 奇瑞汽车股份有限公司 | Method and device for monitoring state of relay in vehicle-mounted battery management system |
| CN102495374A (en) * | 2011-12-02 | 2012-06-13 | 深圳市晶福源电子技术有限公司 | Alternate-current current source for detecting internal resistant of cell in alternate current injection method and control method thereof |
| CN102906583A (en) * | 2010-05-19 | 2013-01-30 | 住友重机械工业株式会社 | Battery inspection device |
| CN101688901B (en) * | 2007-07-09 | 2014-01-29 | 皇家飞利浦电子股份有限公司 | Method and device for determining the state of charge of a battery |
| CN104991193A (en) * | 2015-06-25 | 2015-10-21 | 巫协森 | Rechargeable battery using energy efficiency tracking system and method |
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1996
- 1996-06-11 CN CN 96233259 patent/CN2267467Y/en not_active Expired - Fee Related
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| CN1760691B (en) * | 2004-10-12 | 2010-08-04 | 三洋电机株式会社 | Method of detecting state-of-charge of battery and power device |
| WO2007085143A1 (en) * | 2006-01-25 | 2007-08-02 | Xiancan Jian | An electric quantity detecting device for battery of electric vehicle |
| CN101034140B (en) * | 2007-03-21 | 2010-05-26 | 毛广甫 | Data comparison and control method of intelligent type battery bag |
| CN101688901B (en) * | 2007-07-09 | 2014-01-29 | 皇家飞利浦电子股份有限公司 | Method and device for determining the state of charge of a battery |
| CN102906583A (en) * | 2010-05-19 | 2013-01-30 | 住友重机械工业株式会社 | Battery inspection device |
| CN102004222B (en) * | 2010-09-26 | 2013-03-06 | 奇瑞汽车股份有限公司 | Method and device for monitoring state of relay in vehicle-mounted battery management system |
| CN102004222A (en) * | 2010-09-26 | 2011-04-06 | 奇瑞汽车股份有限公司 | Method and device for monitoring state of relay in vehicle-mounted battery management system |
| CN102495374A (en) * | 2011-12-02 | 2012-06-13 | 深圳市晶福源电子技术有限公司 | Alternate-current current source for detecting internal resistant of cell in alternate current injection method and control method thereof |
| CN102495374B (en) * | 2011-12-02 | 2013-05-29 | 深圳市晶福源电子技术有限公司 | Alternate-current source for detecting internal resistance of cell in alternate current injection method and control method thereof |
| CN104991193A (en) * | 2015-06-25 | 2015-10-21 | 巫协森 | Rechargeable battery using energy efficiency tracking system and method |
| CN104991193B (en) * | 2015-06-25 | 2017-12-29 | 巫协森 | Rechargeable battery uses efficiency tracing system and method |
| CN107315107A (en) * | 2016-04-27 | 2017-11-03 | 拉碧斯半导体株式会社 | Semiconductor device, battery monitor system and detection method |
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