CN201765311U - Battery monitoring device - Google Patents
Battery monitoring device Download PDFInfo
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- CN201765311U CN201765311U CN201020148671XU CN201020148671U CN201765311U CN 201765311 U CN201765311 U CN 201765311U CN 201020148671X U CN201020148671X U CN 201020148671XU CN 201020148671 U CN201020148671 U CN 201020148671U CN 201765311 U CN201765311 U CN 201765311U
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Abstract
The utility model relates to a battery monitoring device, which comprises a processor module, a current collecting module, a voltage collecting module, a ripple current exciting module, a detection data output module, a power supply module and a temperature collecting module, wherein the current collecting module inputs a charge-discharge electric signal flowing through a battery and outputs a digital signal to the processor module for data processing; the voltage collecting module inputs a voltage signal at two ends of the battery and outputs the digital signal to the processor module for data processing; the ripple current exciting module outputs exciting ripple current injected to the battery under the control of a control signal output by the processor module; the detection data output module is connected with the processor module; the power supply module supplies electricity to the above modules; and the temperature collecting module monitors the temperature of the battery. The battery monitoring device monitors the quality of the battery by monitoring parameters such as the battery voltage, the battery charge-discharge current, the battery internal resistance, the battery temperature and the like; meanwhile, the battery can automatically choose the detecting method for the battery internal resistance according to the working state of the battery and a battery group, thereby greatly improving the field adaptability of the device and the detecting precision of the battery internal resistance.
Description
Technical field
The utility model relates to a kind of battery monitoring device.
Background technology
Along with the raising of development of computer and IT application in the national economy level, various data centers are rapidly developed.Because it is very high that data center requires power supply reliability, tends to be data center configuration alternating current-direct current standby power supply, accumulator is exactly the last guarantee of machine room energy source.But owing to the effective monitoring that lacks accumulator, the battery discharging off-capacity becomes universal phenomenon, and serious accidents such as accumulator burning and blast happen occasionally, and cause accumulator to become the bottleneck that data center generally acknowledges.
Because the capacity and the accumulator internal resistance of accumulator have very strong correlativity, accumulator internal resistance detects becomes the effective means that the accumulator health status detects.Main accumulator internal resistance detection technique has comprised DC-method and AC method at present, and AC method is divided into initiatively injection mode and passive detection mode again.All there is the limitation that is difficult to overcome in above method, and DC-method need be carried out instantaneous discharge to battery, introduces fault easily; Exchange the current signal meeting and the battery charging and discharging electric current AC ripple signal aliasing of initiatively injection method injection, influence accuracy of detection; Exchange the AC ripple composition that passive detection method depends on charging and discharging currents,, just can't obtain the accumulator internal resistance data when the AC ripple composition of charging and discharging currents during less than certain value.
Summary of the invention
The purpose of this utility model proposes a kind of battery monitoring device exactly, the quality of energy monitoring battery, monitor for the internal resistance of cell simultaneously, can select the internal resistance detection mode neatly, solve the intrinsic problem of traditional internal resistance detection technique, strengthen the on-the-spot adaptive faculty that the internal resistance of cell detects, realize that really the internal resistance of cell uninterruptedly monitors.
For achieving the above object, the utility model proposes a kind of battery monitoring device, comprising:
Processor module;
Current acquisition module, inlet flow are through the charging and discharging currents signal of battery, and output digital signal to processor module carries out data processing;
Voltage acquisition module, the voltage signal at input battery two ends, output digital signal to processor module carries out data processing;
The ripple current stimulating module, under the control signal control of processor module output, the excitation ripple current of battery is injected in output;
Detect data outputting module, be connected with processor module;
Power module is to above-mentioned module for power supply.
Also can comprise the temperature collect module that is connected with processor module, this temperature collect module comprises temperature sensor, and temperature sensor output battery temperature signal to processor module carries out data processing.
The utility model is by the current acquisition module, and acquisition stream also can be gathered DC current through the ripple current of battery charging and discharging electric current.By voltage acquisition module, gather the ripple voltage at battery two ends, also can gather DC voltage.By the ripple current stimulating module, select the internal resistance monitoring mode neatly, by being processor making software program, when the ripple current in battery or the battery set charge/discharge electric current during greater than threshold value, close the ripple current stimulating module, directly by battery charging and discharging ripple current sampled value, the ripple voltage sampled value calculates internal resistance of cell value; When the ripple current in battery or the battery set charge/discharge electric current during less than threshold value, open the ripple current stimulating module, injecting effective value to battery is the excitation ripple current of ratings, then, by excitation ripple current rating value, excitation ripple voltage sampled value calculates internal resistance of cell value.By temperature collect module, gather the temperature of battery.At last, processor module is delivered to the battery parameter data signal and is detected the data outputting module processing, finishes battery detecting result's output.
The utility model is the quality of monitoring battery by parameter such as monitoring cell voltage, the internal resistance of cell, battery temperature, monitor for the internal resistance of cell simultaneously, can be according to the duty of battery, electric battery, automatically select the detection mode of the internal resistance of cell, improved the detection degree of accuracy of on-the-spot adaptive faculty of the present invention and internal resistance of cell value greatly.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is an embodiment battery gating modular circuit principle schematic;
Fig. 3 is the circuit theory diagrams of embodiment ripple current stimulating module when being the alternating current stimulating module;
Fig. 4 exchanges the injection current control loop;
Fig. 5 is the circuit theory diagrams of embodiment ripple current stimulating module when being the pulse direct current stimulating module.
Fig. 6 is the software processes process flow diagram that detects the internal resistance of cell;
Fig. 7 is an embodiment temperature collect module circuit theory synoptic diagram;
Fig. 8 is the utility model embodiment networking synoptic diagram;
Fig. 9 is the utility model embodiment wiring schematic diagram;
Figure 10 is the circuit theory synoptic diagram of another embodiment of the utility model voltage acquisition module;
Embodiment
Be described in detail below in conjunction with the CONSTRUCTED SPECIFICATION of accompanying drawing the utility model embodiment.
As shown in Figure 1, the utility model embodiment comprises: processor module, ripple current capacitance, ripple current filtration module, ripple current analog-to-digital conversion module, DC current analog-to-digital conversion module, ripple voltage capacitance, ripple voltage filtration module, ripple voltage analog-to-digital conversion module, DC voltage analog-to-digital conversion module, ripple current stimulating module, temperature collect module, detection data outputting module and to the power module of above-mentioned module for power supply.
Processor module is selected DSP for use, also can select other processor chips for use.
Ripple current capacitance, ripple current filtration module, ripple current analog-to-digital conversion module, DC current analog-to-digital conversion module constitute the current acquisition module, the ripple current filtration module adopts bandpass filter or low-pass filter, ripple current analog-to-digital conversion module, DC current analog-to-digital conversion module adopt independent modulus conversion chip, or integrated analog to digital conversion peripheral hardware in the processor piece.Flow through the charging and discharging currents signal one tunnel of battery through ripple current capacitance input ripple current filtration module, obtain the interior ripple current signal of setpoint frequency scope through the ripple current filtration module, be digital signal through the ripple current analog-to-digital conversion module with analog signal conversion again, what this digital signal was the battery of flowing through discharges and recharges the ripple current sampled value, treated device module is carried out data processing, calculates the effective value of ripple current.Flow through another road of charging and discharging currents signal of battery is digital signal through the DC current analog-to-digital conversion module with analog signal conversion, and what this digital signal was the battery of flowing through discharges and recharges the DC current sampled value, and the input processor module is carried out data processing.
As shown in Figure 2, battery gating module is a certain batteries that is used for the gating electric battery, and the embodiment electric battery always has 12 batteries BT1 to BT12, when K1 and K2 conducting, chooses battery BT1; When K3 and K4 conducting, choose battery BT2, by that analogy, choose a batteries to deliver to voltage acquisition module at every turn, gather the voltage and the ripple voltage of this battery.K switch 1 to K24 adopts photoelectric relay, is switched on or switched off by processor module control, also can adopt the switch of other processor control.
Ripple voltage capacitance, ripple voltage filtration module, ripple voltage analog-to-digital conversion module, DC voltage analog-to-digital conversion module constitute voltage acquisition module, the ripple voltage filtration module adopts bandpass filter or low-pass filter, ripple voltage analog-to-digital conversion module, DC voltage analog-to-digital conversion module adopt independent modulus conversion chip, or integrated analog to digital conversion peripheral hardware in the processor piece.The voltage signal one tunnel at battery two ends is through ripple voltage capacitance input ripple voltage filtration module, obtain the interior ripple voltage signal of setpoint frequency scope through the ripple voltage filtration module, be digital signal through the ripple voltage analog-to-digital conversion module with analog signal conversion again, this digital signal is the ripple voltage sampled value at battery two ends, treated device module is carried out data processing, calculates the effective value of ripple voltage.Another road of the voltage signal at battery two ends is digital signal through the DC voltage analog-to-digital conversion module with analog signal conversion, and this digital signal is the DC voltage sampled value at battery two ends, and the input processor module is carried out data processing.
The ripple current stimulating module, under the control signal control of processor module output, the excitation ripple current of battery is injected in output.
As shown in Figure 3, be the circuit theory diagrams of ripple current stimulating module when being the alternating current stimulating module, comprise AC/DC rectification circuit and alternating current injection circuit, AC/DC rectification circuit output dc voltage signal is to exchanging the electric current injection circuit, and the output terminal of alternating current injection circuit is the output terminal of ripple current stimulating module.The AC/DC rectification circuit is a half-bridge PFC rectification circuit, comprise transformer T1, inductance L 1, the power switch pipe Q1, the Q2 that are with fly-wheel diode and capacitor C 1, C2, after power switch pipe Q1, the Q2 series connection, be connected in parallel on capacitor C 1 after the series connection, the C2, the elementary LN of transformer T1 connects civil power, a secondary end connects the tie point of power switch pipe Q1, Q2 through inductance L 1, the other end connects the tie point of capacitor C 1, C2, the control end connection processing device module of power switch pipe Q1, Q2, the capacitor C 1 after the series connection, C2 two ends are the output terminal of AC/DC rectification circuit.The alternating current injection circuit comprises power switch pipe Q3, the Q4 that is with fly-wheel diode, inductance L 2 and capacitor C 3, power switch pipe Q3, Q4 series connection back connects the output terminal of AC/DC rectification circuit, inductance L 2 and capacitor C 3 are formed the LC wave filter, be connected the two ends of power switch pipe Q4, the control end connection processing device module of power switch pipe Q3, Q4, the two ends of capacitor C 3 are the output terminal of alternating current injection circuit.
Transformer T1 is an Industrial Frequency Transformer, according to different electric battery joint numbers, selects different no-load voltage ratios, and electric battery BT joint number is many more, and the transformer output voltage is high more, is no more than the ceiling voltage on capacitor C 1, the C2 after the ceiling voltage rectification.Inductance L 1, power switch pipe Q1, Q2 and capacitor C 1, C2 form the half-bridge pfc converter, possess power factor emendation function, guarantee that input power factor is 1, prevent that harmonic wave from polluting electrical network.Simultaneously can the control energy two-way flow, when electric battery BT injects positive half cycle current, Q1, Q2 is operated in rectification state, absorbs energy from electrical network, when electric battery BT injects negative half-cycle current, Q1, Q2 is operated in inverter mode, and the energy of battery is fed back to electrical network, its core missions are to stablize C1, the voltage on the C2.
Power switch pipe Q3, Q4, inductance L 2 and capacitor C 3 are formed the alternating current injection circuit, when injecting positive half cycle current for electric battery BT, and the Q3 conducting, the L2 accumulation of energy, when the Q3 shutoff, the then fly-wheel diode afterflow of Q4, the L2 direction of current is constant, reduce gradually, switch among the Q3 and the fly-wheel diode of Q4 and inductance L 2 are formed the Buck circuit, and energy is from C1, and C2 flows to electric battery BT.When injecting negative half-cycle current for electric battery BT, the Q4 conducting, energy is exported from electric battery BT, the L2 accumulation of energy is when Q4 turn-offs the then fly-wheel diode afterflow of Q3, switch among the Q4 and the fly-wheel diode among the Q3 and inductance L 2 are formed the Boost circuit, energy returns capacitor C 1 from electric battery BT, and C2 is when capacitor C 1, in the time of the C2 overtension, Q1, Q2 inversion work realizes the energy feedback grid energy-conservation.
Power switch pipe Q1, Q2, the preferred IGBT of Q3, Q4 or MOSFET are all finished in the switch control of power switch pipe Q1, the Q2 of band fly-wheel diode, Q3, Q4 by processor module.
As shown in Figure 4, be the control loop that alternating current injects, inject the given electric current I of battery
*Phase place and amplitude, frequency all can be controlled, and be given by processor module, by sampling battery injection current I
0, carry out FEEDBACK CONTROL.The whole control by the Current Feedback Control loop, is injected the electric current I of battery by finishing for the processor making software
0Amplitude, frequency and phase place are approached given electric current I
*, by regulating given electric current I
*Amplitude, frequency and phase place, realize injection current I
0The control of amplitude, frequency and phase place.
As shown in Figure 5, be the circuit theory diagrams of ripple current stimulating module when being the pulse direct current stimulating module.Comprise the power switch pipe Q5, the constant-current circuit 6 that are connected in series, two ends after this power switch pipe Q5, constant-current circuit 6 are connected in series are the output terminal of ripple current stimulating module, processor module connects the control end of power switch pipe Q5 through light-coupled isolation U1, behind the driving pulse process light-coupled isolation U1 that processor module sends power switch pipe Q5 is driven, make power switch pipe Q5 be interrupted conducting, constant-current circuit 6 guarantees that the battery current that each pulse produced all is the same.
As shown in Figure 6, processor module is according to the sampled value of the battery charging and discharging ripple current of flowing through, after calculating the effective value of ripple current, carry out the selection of internal resistance detection mode, when battery charging and discharging ripple current effective value greater than threshold value, directly utilize the sampling back to calculate ripple current effective value, the ripple voltage effective value that obtains,, calculate the internal resistance value of accumulator according to Ohm law R=U/I.If battery charging and discharging ripple current effective value is less than threshold value, open the ripple current stimulating module, inject the excitation ripple current signal in the logical scope of a ripple current filtration module band, utilize excitation ripple current rating value, the sampling back of injecting battery to calculate the excitation ripple voltage effective value that obtains, according to Ohm law R=U/I, calculate the internal resistance value of accumulator.
Processor module is by the ripple current stimulating module, can control the excitation ripple current frequencies of injecting battery, amplitude and phase place, guarantee in the logical scope of band of ripple current filtration module, behind the unlatching ripple current stimulating module, to inject the excitation ripple current rating value of battery, given by processor software, so do not need to obtain, certainly, can obtain yet by sampling by sampling.
As shown in Figure 7, the present embodiment temperature collect module comprises the temperature sensor DS28EA00 based on One Wire communication bus, the IO port output battery temperature signal of temperature sensor DS28EA00 carries out data processing to processor module, and the scene only needs simple communication cable just can finish the layout of a plurality of temperature sensor DS28EA00.
Detecting data outputting module, be connected with processor module, is the output module of battery parameter testing result.Comprise communication interface, processor module is handled by communication interface output battery parameter data signal to Surveillance center.
As shown in Figure 8, be the on-the-spot networking synoptic diagram of the utility model when detecting data outputting module and adopting 485 communication interfaces, realize the networking monitoring of battery parameter.
As shown in Figure 9, be the utility model wiring schematic diagram, AC Power supply socket 1 inserts external power source, is the internal electric source module for power supply; Cell voltage is gathered the both positive and negative polarity that cable socket 2 is connected in battery, and cell voltage is gathered the cable socket number and added 1 for the battery joint number; Battery charging and discharging current sensor interface 3 links to each other with the current sensor 5 of outside; The excitation ripple current injects terminal 4 and is connected between the both positive and negative polarity of electric battery; Among the figure, 6 is the UPS of built-in charger.
The voltage acquisition module of embodiment comprises ripple voltage capacitance, ripple voltage filtration module, ripple voltage analog-to-digital conversion module, DC voltage analog-to-digital conversion module.Voltage acquisition module can also include only an analog-to-digital conversion module, analog-to-digital conversion module adopts independent modulus conversion chip, or integrated analog to digital conversion peripheral hardware in the processor piece, the voltage signal at battery two ends is digital signal through analog-to-digital conversion module with analog signal conversion, the input processor module is carried out data processing, obtains the DC voltage sampled value, by the processor software digital filtering, obtain the ripple voltage sampled value in the setpoint frequency scope, calculate the effective value of ripple voltage again.
As required, voltage acquisition module also can include only capacitance, filtration module and analog-to-digital conversion module, the voltage signal at battery two ends is imported filtration module through capacitance, obtain the interior ripple voltage signal of setpoint frequency scope through filtration module, be digital signal through analog-to-digital conversion module with analog signal conversion again, this digital signal is the ripple voltage sampled value at battery two ends, and treated device module is carried out data processing, calculates the effective value of ripple voltage.In this case, the DC voltage of just not gathering battery.
As shown in figure 10, another embodiment for voltage acquisition module, comprise capacitance C, filtration module L, multi-way switch SW, modulus converter A/D, the voltage signal one tunnel at battery two ends is through capacitance C, the input end S1 of filtration module L input mux SW, another input end S2 of another road input mux SW, the signal of multi-way switch output terminal D output carries out data processing through modulus converter A/D input processor U, the selection control end C1 of multi-way switch SW, C2, ENB connection processing device U, the control end ENB connection processing device U of modulus converter A/D.The circuit working principle is: the battery voltage signal that battery gating module is sent is input to modulus converter A/D through voltage division processing, obtains the DC voltage digital signal; The battery voltage signal that battery gating module is sent obtains the ripple voltage signal in the setpoint frequency scope through every the direct sum Filtering Processing, is input to modulus converter A/D again, obtains the ripple voltage digital signal.For a shared modulus converter A/D, switch the signal that two-way is input to modulus converter A/D by a multi-way switch SW.Digital signal through analog to digital conversion obtains is transferred to processor U, further calculates.
The current acquisition module of embodiment comprises ripple current capacitance, ripple current filtration module, ripple current analog-to-digital conversion module, DC current analog-to-digital conversion module.The same with voltage acquisition module, the current acquisition module can also include only analog-to-digital conversion module.Also can include only capacitance, filtration module, analog-to-digital conversion module.Can comprise capacitance, filtration module, multi-way switch, analog-to-digital conversion module again.Reason is identical with voltage acquisition module.
The detection data outputting module of embodiment comprises communication interface.Detect data outputting module and can also comprise display, processor module output battery parameter data signal to display shows; Perhaps, can also be the peripheral memory interface, as USB interface, SD memory card interface or the like, processor module is stored by peripheral memory interface output battery parameter data signal to peripheral memory; Or the like.
Also have other embodiment, do not enumerate one by one.
Claims (10)
1. battery monitoring device is characterized in that: comprising:
Processor module;
Current acquisition module, inlet flow are through the charging and discharging currents signal of battery, and output digital signal to processor module carries out data processing;
Voltage acquisition module, the voltage signal at input battery two ends, output digital signal to processor module carries out data processing;
The ripple current stimulating module, under the control signal control of processor module output, the excitation ripple current of battery is injected in output;
Detect data outputting module, be connected with processor module;
Power module is to above-mentioned module for power supply.
2. device according to claim 1 is characterized in that: described current acquisition module comprises analog-to-digital conversion module, and the charging and discharging currents signal of the battery of flowing through carries out data processing through analog-to-digital conversion module input processor module; Perhaps, described current acquisition module comprises capacitance, filtration module and analog-to-digital conversion module, and the charging and discharging currents signal of the battery of flowing through is successively through capacitance, filtration module, analog-to-digital conversion module, and the input processor module is carried out data processing; Perhaps, described current acquisition module comprises capacitance, filtration module, ripple current analog-to-digital conversion module, the DC current analog-to-digital conversion module, flow through the charging and discharging currents signal one tunnel of battery successively through capacitance, filtration module, ripple current analog-to-digital conversion module, the input processor module is carried out data processing, another road is through the DC current analog-to-digital conversion module, and the input processor module is carried out data processing; Perhaps, described current acquisition module comprises capacitance, filtration module, multi-way switch, analog-to-digital conversion module, flow through the charging and discharging currents signal one tunnel of battery through an input end of capacitance, filtration module input mux, another input end of another road input mux, the signal of multi-way switch output terminal output carries out data processing through analog-to-digital conversion module input processor module, the control end connection processing device module of multi-way switch.
3. device according to claim 1 is characterized in that: described voltage acquisition module comprises analog-to-digital conversion module, and the voltage signal at battery two ends carries out data processing through analog-to-digital conversion module input processor module; Perhaps, described voltage acquisition module comprises capacitance, filtration module and analog-to-digital conversion module, and the voltage signal at battery two ends is successively through capacitance, filtration module, analog-to-digital conversion module, and the input processor module is carried out data processing; Perhaps, described voltage acquisition module comprises capacitance, filtration module, ripple voltage analog-to-digital conversion module, the DC voltage analog-to-digital conversion module, the voltage signal one tunnel at battery two ends is successively through capacitance, filtration module, ripple voltage analog-to-digital conversion module, the input processor module is carried out data processing, another road is through the DC voltage analog-to-digital conversion module, and the input processor module is carried out data processing; Perhaps, described voltage acquisition module comprises capacitance, filtration module, multi-way switch, analog-to-digital conversion module, the voltage signal one tunnel at battery two ends is through an input end of capacitance, filtration module input mux, another input end of another road input mux, the signal of multi-way switch output terminal output carries out data processing through analog-to-digital conversion module input processor module, the selection control end connection processing device module of multi-way switch.
4. according to claim 2 or 3 described devices, it is characterized in that: described filtration module is bandpass filter or low-pass filter, and described analog-to-digital conversion module adopts integrated analog to digital conversion peripheral hardware in independent modulus conversion chip or the processor piece.
5. device according to claim 1, it is characterized in that: described ripple current stimulating module comprises AC/DC rectification circuit and alternating current injection circuit, AC/DC rectification circuit output dc voltage signal is to exchanging the electric current injection circuit, and the output terminal of alternating current injection circuit is the output terminal of ripple current stimulating module.
6. device according to claim 5, it is characterized in that: described AC/DC rectification circuit is a half-bridge PFC rectification circuit, comprise transformer T1, inductance L 1, the power switch pipe Q1 of band fly-wheel diode, Q2 and capacitor C 1, C2, power switch pipe Q1, after the Q2 series connection, be connected in parallel on the capacitor C 1 after the series connection, on the C2, the elementary connection civil power of transformer T1, a secondary end connects power switch pipe Q1 through inductance L 1, the tie point of Q2, the other end connects capacitor C 1, the tie point of C2, power switch pipe Q1, the control end connection processing device module of Q2, the capacitor C 1 after the series connection, the C2 two ends are the output terminal of AC/DC rectification circuit.
7. device according to claim 5, it is characterized in that: described alternating current injection circuit comprises power switch pipe Q3, the Q4 that is with fly-wheel diode, inductance L 2 and capacitor C 3, power switch pipe Q3, Q4 series connection back connects the output terminal of AC/DC rectification circuit, inductance L 2 and capacitor C 3 are formed the LC wave filter, be connected the two ends of power switch pipe Q4, the control end connection processing device module of power switch pipe Q3, Q4, the two ends of capacitor C 3 are the output terminal of alternating current injection circuit.
8. device according to claim 1, it is characterized in that: described ripple current stimulating module comprises power switch pipe Q5, the constant-current circuit that is connected in series, two ends after this power switch pipe Q5, constant-current circuit are connected in series are the output terminal of ripple current stimulating module, the control end connection processing device module of power switch pipe Q5.
9. device according to claim 1 is characterized in that: also comprise the temperature collect module that is connected with processor module, this temperature collect module comprises temperature sensor, and temperature sensor output battery temperature signal to processor module carries out data processing.
10. device according to claim 1 is characterized in that: described detection data outputting module comprises display, and processor module output battery parameter data signal to display shows; Perhaps, described detection data outputting module comprises communication interface, and processor module is handled by communication interface output battery parameter data signal to Surveillance center; Perhaps, described detection data outputting module comprises the peripheral memory interface that is connected with processor module.
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| CN101806865A (en) * | 2010-03-29 | 2010-08-18 | 深圳睿立方智能科技有限公司 | Detection device of internal resistance of cell and detection method thereof |
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| CN102854472A (en) * | 2012-09-11 | 2013-01-02 | 南京鼎尔特科技有限公司 | Storage battery sensor based on Internet of things technology |
| CN103616641A (en) * | 2013-11-11 | 2014-03-05 | 惠州市亿能电子有限公司 | Method for detecting looseness of electric vehicle battery connecting line |
| CN104678313A (en) * | 2015-02-10 | 2015-06-03 | 柳州市金旭节能科技有限公司 | Intelligent battery monitor |
| CN106154167A (en) * | 2015-05-15 | 2016-11-23 | 硕天科技股份有限公司 | Battery sensor with addressing mode and detecting mode |
| CN106154167B (en) * | 2015-05-15 | 2018-11-02 | 硕天科技股份有限公司 | Battery sensor with addressing mode and detecting mode |
| CN105158573A (en) * | 2015-09-10 | 2015-12-16 | 北京动力源科技股份有限公司 | Battery internal resistance detection circuit and battery internal resistance detection method and apparatus |
| CN105158573B (en) * | 2015-09-10 | 2018-09-14 | 北京动力源科技股份有限公司 | A kind of battery pack internal resistance detection circuit and battery pack internal resistance detection method and device |
| CN106019160B (en) * | 2016-05-13 | 2019-04-23 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of battery management system and detection method of the electric car with AC internal Resistance inspection |
| CN106019160A (en) * | 2016-05-13 | 2016-10-12 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Electric vehicle battery management system with AC internal resistance inspection function and detection method |
| WO2018035932A1 (en) * | 2016-08-24 | 2018-03-01 | 广州市竣达智能软件技术有限公司 | Storage battery inspection apparatus |
| CN107728079A (en) * | 2017-11-28 | 2018-02-23 | 西藏大学 | A kind of photovoltaic energy storage battery rapid detection system |
| CN107728079B (en) * | 2017-11-28 | 2021-04-16 | 西藏大学 | Quick detecting system of photovoltaic energy storage battery |
| CN107797075A (en) * | 2017-11-29 | 2018-03-13 | 福州福光电子有限公司 | A kind of circuit and method of distributed on-line measurement lead-acid accumulator monomer internal resistance |
| CN108345242A (en) * | 2018-01-12 | 2018-07-31 | 杭州海兴电力科技股份有限公司 | Ripple control receiving circuit and remote-control system |
| US10705128B2 (en) | 2018-05-15 | 2020-07-07 | Btech Inc. | Battery monitor control system |
| WO2019221916A1 (en) * | 2018-05-15 | 2019-11-21 | Btech Inc. | Battery monitor control system |
| US11047891B2 (en) | 2018-05-15 | 2021-06-29 | Btech Inc. | Complex impedance battery monitor |
| CN113125979A (en) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | Storage battery internal resistance detection device and method |
| CN113805091A (en) * | 2020-05-27 | 2021-12-17 | 比亚迪半导体股份有限公司 | Battery pack monitoring device, management system and vehicle |
| CN114594383A (en) * | 2022-03-04 | 2022-06-07 | 吉林大学 | Online impedance measuring device for fuel cell pack |
| WO2023165027A1 (en) * | 2022-03-04 | 2023-09-07 | 吉林大学 | Online impedance measurement apparatus for fuel cell stack |
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