CN202661604U - Online storage battery monitoring device based on multiple-pulse low current discharge method - Google Patents
Online storage battery monitoring device based on multiple-pulse low current discharge method Download PDFInfo
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- CN202661604U CN202661604U CN201220126581.XU CN201220126581U CN202661604U CN 202661604 U CN202661604 U CN 202661604U CN 201220126581 U CN201220126581 U CN 201220126581U CN 202661604 U CN202661604 U CN 202661604U
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an online storage battery monitoring device based on a multiple-pulse low current discharge method. The online storage battery monitoring device comprises a voltage acquisition module for amplifying and acquiring the voltage value of the two ends of a storage battery to be monitored and sending the acquired value to a data processing module, a discharge current acquisition module for acquiring the current value of the storage battery to be monitored and sending the acquired value to the data processing module, a discharge control module for controlling the on state of the discharge current acquisition module, the data processing module for calculating the data output by the voltage acquisition module and the discharge current acquisition module, thereby obtaining the internal resistance value of the storage battery to be monitored, and a communication module for feeding back the internal resistance value data of the storage battery to be monitored to a user side. The online storage battery monitoring device based on the multiple-pulse low current discharge method employing the previous structure provided by the utility model is capable of overcoming the defects of manual detection, simplifying the complexity of connection and the system terminal scale, realizing miniaturization and intelligentialization of the terminal and improving the stability and anti-interference performance of the whole monitoring device.
Description
Technical field
The utility model relates to the mobile communication technology field, especially relates to a kind of accumulator on-Line Monitor Device based on multiple-pulse low discharging current method.
Background technology
Along with the develop rapidly of mobile communication business, network coverage and network performance have all obtained General Promotion and optimization, and the client is also more and more higher to the requirement of network stabilization and reliability.Be to guarantee the stable operation of equipment, the existing power supply system for communications all has been equipped with battery pack, is convenient to occurring in the accident power-off situation, and communication facilities still can be normally, steady operation.The Mobile communication machinery room that the whole nation has been built up and base station are near 1,500,000, and only just there are 900,000 base stations in China Mobile.There are one group or two group of 48 overhead accumulator in each base station.It is the battery pack that nearly 2,000,000 group of 24 batteries forms.Battery pack is one of most important equipment of Communication Power Equipment, and the communication disruption that causes because of battery problems or equipment losses are far above the value of battery itself.
Valve controlled sealed lead-acid accumulator with the characteristics such as its volume is little, lightweight, self discharge is little, the life-span is long, easy to use in the mobile communication base station, machine room obtained very widely using.But the base station storage batteries group has also exposed problems in actual use.On the one hand and people unstable owing to the Alternating Current Power Supply quality is for drawing the reason such as electricity, and the electric battery frequency of utilization is high, and the general unmanned in base station, operating repairs are difficult.Owing to being subject to the factor affecting such as deep discharge, the untimely or undercharge of charging, cause the too early sulfation of battery terminal on the other hand, thus occur accumulator capacity descend too fast, the problems such as shortening in serviceable life.Therefore, strengthen daily monitoring and management to battery pack, in time investigate hidden danger, guarantee that mobile communication is safely the pith of base station apparatus maintenance work.
At present, accumulator detects the main method that adopts manual inspection, is divided into artificial operation and detects and artificial Performance Detection.Artificial operation testing requirement is measured battery voltage, single battery voltage and environment temperature.Artificial Performance Detection mainly is to rely on regular discharge test to carry out, and by deep discharge, finds the battery of capacity loss.Manual inspection method poor in timeliness, human factor impact are greatly, the risk and cost is high, and to a certain degree shortens the service life cycle of battery, has significant defective, this can directly affect the reliability of safety effectiveness mechanism, for great COMSEC incident hides some dangers for.
The utility model content
The purpose of this utility model provides a kind of accumulator on-Line Monitor Device based on multiple-pulse low discharging current method, can overcome the defective of manual detection, each single battery is monitored separately, the realization data are independently transmitted, simplify complexity and the system terminal scale of wiring, realize miniaturization, the intellectuality of terminal, improve stability and the anti-interference of whole monitoring device.
For achieving the above object, the utility model provides a kind of accumulator on-Line Monitor Device based on multiple-pulse low discharging current method, comprising:
Voltage acquisition module is used for amplification and collection to accumulator both end voltage value to be monitored, and the collection value is sent to data processing module;
The discharge current acquisition module is used for the collection of storage battery flow valuve to be monitored, and the collection value is sent to data processing module;
The control of discharge module is for the conducting state of controlling described discharge current acquisition module;
Data processing module draws accumulator internal resistance value to be monitored after being used for described voltage acquisition module and described discharge current data that acquisition module is exported are calculated;
Communication module is used for accumulator internal resistance Value Data to be monitored is fed back to user side.
Preferably, described data processing module also is connected with temperature collect module.
Preferably, described voltage acquisition module carries out sending to described data processing module after the amplification filtering to accumulator both end voltage to be monitored by U20DLM324 operational amplifier, U20CLM324 operational amplifier and U20BLM324 operational amplifier.
Preferably, described discharge current acquisition module is comprised of resistance R 45, R46, R47, R48 and U21DLM324 operational amplifier.
Preferably, described data processing module is ARM M051Serial singlechip chip U1.
Preferably, described communication module is provided with holding circuit.
Therefore, the utility model adopts the accumulator on-Line Monitor Device based on multiple-pulse low discharging current method of said structure, can overcome the defective of manual detection, each single battery is monitored separately, the realization data are independently transmitted, simplify complexity and the system terminal scale of wiring, realize miniaturization, the intellectuality of terminal, improve stability and the anti-interference of whole monitoring device.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is that the utility model is based on the structural representation of the accumulator on-Line Monitor Device embodiment of multiple-pulse low discharging current method;
Fig. 2 is that the utility model is based on the electrical block diagram of the accumulator on-Line Monitor Device embodiment of multiple-pulse low discharging current method.
Embodiment
Embodiment
Fig. 1 be the utility model based on the structural representation of the accumulator on-Line Monitor Device embodiment of multiple-pulse low discharging current method, as shown in Figure 1, comprising:
Voltage acquisition module 1 is used for amplification and collection to accumulator both end voltage value to be monitored, and the collection value is sent to data processing module;
Discharge current acquisition module 2 is used for the collection of storage battery flow valuve to be monitored, and the collection value is sent to data processing module;
Control of discharge module 3 is for the conducting state of controlling described discharge current acquisition module;
Data processing module 4 draws accumulator internal resistance value to be monitored after being used for described voltage acquisition module and described discharge current data that acquisition module is exported are calculated;
Data processing module 4 also is connected with temperature collect module 6 in the present embodiment, by the measurement to the accumulator peripheral temperature, improves the monitoring accuracy of the present embodiment.
Voltage acquisition module 1 carries out sending to described data processing module after the amplification filtering to accumulator both end voltage to be monitored by U20DLM324 operational amplifier, U20CLM324 operational amplifier and U20BLM324 operational amplifier.The differential amplifier circuit that is formed by U20DLM324 operational amplifier, U20CLM324 operational amplifier and U20BLM324 operational amplifier three amplifiers, has high input impedance, reduce the error that circuit and connecting line are introduced, voltage acquisition module 1 adopts special-purpose voltage signal line to be connected with accumulator to be monitored.
Discharge current acquisition module 2 is comprised of resistance R 45, R46, R47, R48 and U21DLM324 operational amplifier, control of discharge module 3 is comprised of comparer and MOSFET (metal-oxide half field effect transistor), the discharge current that obtains by control signal and 2 detections of discharge current acquisition module with data processing module 4 outputs compares, the voltage of controlled MOSFET is used for the conducting resistance of control MOSFET, uses the value of the value controlled discharge electric current of MOSFET conducting resistance.The MOSFET of sample resistance R46 and charge/discharge control circuit series connection, current signal line and accumulator by special use connect and compose discharge loop.Amplifier amplifies the electric current of the sampling resistor of flowing through, and obtains the magnitude of voltage that data processing unit is gathered.Data processing module 4 is ARM M051Serial singlechip chip U1, and at first so that MOSFET ends, this moment, discharge current was 0 to data processing module 4 by control of discharge module 3.Data processing module 4 gathers through the voltage V0 after voltage acquisition module 1 amplification.Then data processing module 4 is by the 3 output control Control of Voltage MOSFET conductings of control of discharge module, so that accumulator begins to discharge via the discharge current Acquisition Circuit.Discharge current is input to data processing module 4 through amplifying.Data processing module 4 is by changing the voltage of control of discharge module 3 outputs, so that discharge current is accurate value I.Data processing module 4 gathers through the voltage V1 after voltage acquisition module 1 amplification simultaneously, within 5 seconds time, repeat above-mentioned steps n time, obtain n V0 and V1, via the accumulator internal resistance that goes out of following formula calculating, thereby realization is to the accurate measurement of battery-operated state to be monitored.
The present embodiment adopts multiple-pulse low discharging current method measurement accumulator internal resistance to overcome the conventional DC electric discharge damage accumulator shortcoming not high with exchanging the pressure decline method precision.Communication unit provides diversified communication interface, can be interconnected with existing customer's network agile, can be integrated flexibly with existing terminal platform, saved like this Internet resources, decrease networking cost.Therefore, the present embodiment adopts the accumulator on-Line Monitor Device based on multiple-pulse low discharging current method of said structure, can overcome the defective of manual detection, each single battery is monitored separately, the realization data are independently transmitted, simplify complexity and the system terminal scale of wiring, realize miniaturization, the intellectuality of terminal, improve stability and the anti-interference of whole monitoring device.
It should be noted that at last: above embodiment is only in order to the technical solution of the utility model to be described but not limit it, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (6)
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| CN201220126581.XU CN202661604U (en) | 2012-03-30 | 2012-03-30 | Online storage battery monitoring device based on multiple-pulse low current discharge method |
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| CN201220126581.XU CN202661604U (en) | 2012-03-30 | 2012-03-30 | Online storage battery monitoring device based on multiple-pulse low current discharge method |
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| CN202661604U true CN202661604U (en) | 2013-01-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656039A (en) * | 2015-02-04 | 2015-05-27 | 上海交通大学 | Method and system for detecting service life of rechargeable battery |
| CN104820192A (en) * | 2015-04-29 | 2015-08-05 | 河北工业大学 | Online real-time battery monitoring device |
| CN106383323A (en) * | 2016-10-26 | 2017-02-08 | 深圳供电局有限公司 | Intelligent storage battery monitoring device and network |
| CN107783047A (en) * | 2016-08-30 | 2018-03-09 | 中兴通讯股份有限公司 | Storage cell internal resistance detecting device, detection method and battery condition monitoring system |
| CN110187291A (en) * | 2019-06-10 | 2019-08-30 | 天津普兰能源科技有限公司 | Lithium ion battery self discharge fast screening devices and screening technique based on DC impedance |
| CN118519052A (en) * | 2024-07-19 | 2024-08-20 | 深圳市广明科技有限公司 | State monitoring method and device for distribution network battery |
-
2012
- 2012-03-30 CN CN201220126581.XU patent/CN202661604U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656039A (en) * | 2015-02-04 | 2015-05-27 | 上海交通大学 | Method and system for detecting service life of rechargeable battery |
| CN104820192A (en) * | 2015-04-29 | 2015-08-05 | 河北工业大学 | Online real-time battery monitoring device |
| CN107783047A (en) * | 2016-08-30 | 2018-03-09 | 中兴通讯股份有限公司 | Storage cell internal resistance detecting device, detection method and battery condition monitoring system |
| CN106383323A (en) * | 2016-10-26 | 2017-02-08 | 深圳供电局有限公司 | Intelligent storage battery monitoring device and network |
| CN110187291A (en) * | 2019-06-10 | 2019-08-30 | 天津普兰能源科技有限公司 | Lithium ion battery self discharge fast screening devices and screening technique based on DC impedance |
| CN110187291B (en) * | 2019-06-10 | 2021-10-22 | 天津普兰能源科技有限公司 | Lithium ion battery self-discharge rapid screening device and screening method based on direct-current impedance |
| CN118519052A (en) * | 2024-07-19 | 2024-08-20 | 深圳市广明科技有限公司 | State monitoring method and device for distribution network battery |
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Granted publication date: 20130109 Termination date: 20130330 |