CN103501034A - Storage battery monitoring module used for communication power supply monitoring system - Google Patents
Storage battery monitoring module used for communication power supply monitoring system Download PDFInfo
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- CN103501034A CN103501034A CN201310481185.8A CN201310481185A CN103501034A CN 103501034 A CN103501034 A CN 103501034A CN 201310481185 A CN201310481185 A CN 201310481185A CN 103501034 A CN103501034 A CN 103501034A
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Abstract
The invention discloses a storage battery monitoring module used for a communication power supply monitoring system. The storage battery monitoring module comprises a storage battery internal resistance testing circuit, a microprocessor, a storage battery charge control circuit and a GPRS (General Packet Radio Service) communication module, wherein the storage battery internal resistance testing circuit is connected with the microprocessor; the microprocessor is used for charging a storage battery by virtue of the storage battery charge control circuit; data communication is carried out between the microprocessor and a remote mobile terminal by virtue of the GPRS communication module. According to the storage battery monitoring module used for the communication power supply monitoring system, residual capacity of the storage battery is predicted according to the rate of change of the internal resistance during the fully charge and fully discharge of the storage battery, and the monitoring accuracy is high; the GPRS communication module is adopted for communicating with the mobile terminal, so wireless wiring is realized, the design is simple, implementation is easy, the normal power supply of the communication power supply monitoring system is ensured, and good application prospects are realized.
Description
Technical field
The present invention relates to a kind of module of the battery monitor for the communication power supply supervisory control system, belonged to the intelligent monitoring technology field.
Background technology
In the communication power supply supervisory control system, the battery monitor module is relatively independent unit, the processor unit and the data acquisition unit that have oneself, can use as the part of communication power supply supervisory control system, simultaneously in addition simple extension just can become the storage battery on-line detector of independent use, the residual capacity of storage battery is the problem that the user is concerned about the most, the reliability of the electric power system of it and whole supervisory control system is closely related, the storage battery dump energy is higher, system reliability is higher, otherwise otherwise.Therefore, how can in the situation that neither the battery consumption energy do not affect again the normal operation of power consumption equipment, the dump energy of real-time on-line monitoring storage battery, will have important practical significance.
But storage battery is a complicated electro-chemical systems, when it moves under the different loads condition, storage battery reality can be also different for the electric weight discharged; Increase along with battery-using time, its actual releasable electric weight also will descend, traditional battery monitor module be the terminal voltage according to storage battery judge the quality of storage battery and its dump energy the number, there is significant limitation, along with cell degradation, its terminal voltage changes not obviously utilizes the variation of terminal voltage to calculate that its dump energy has certain difficulty, and error is larger; Also have traditional battery monitor module, also adopt wired mode (RS485 communication) and host computer to communicate, owing to originally connecting up with regard to more complicated in the communication power supply supervisory control system, and then increased the difficulty connected up, communication distance is short.
Summary of the invention
Purpose of the present invention overcomes deficiency of the prior art, the module of the battery monitor for the communication power supply supervisory control system provided, by the monitoring storage battery charge fully and fully while discharging the internal resistance rate of change predict its dump energy, accurately measure within the whole operating period of battery, and adopt wireless GPRS communication module and mobile terminal to communicate, wireless wiring, simplicity of design, easily realize, guarantee that the power supply of communication power supply supervisory control system is normal, have a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of module of the battery monitor for the communication power supply supervisory control system, it is characterized in that: comprise accumulator internal resistance test circuit, microprocessor, storage battery charge control circuit and GPRS communication module, described accumulator internal resistance test circuit is connected with microprocessor, described microprocessor is charged to storage battery by storage battery charge control circuit, and described microprocessor also carries out data communication by GPRS communication module and long-range mobile terminal.
The aforesaid module of the battery monitor for the communication power supply supervisory control system is characterized in that: also comprise the watchdog circuit and the dump energy indicator light that are connected with microprocessor module.
The aforesaid module of the battery monitor for the communication power supply supervisory control system, it is characterized in that: described accumulator internal resistance test circuit comprises constant-current source, filter circuit, rectification circuit, analog to digital conversion circuit and phase discriminator, the positive and negative electrode of described constant-current source is connected with the positive and negative electrode of storage battery respectively, the positive pole of described storage battery also is connected with microprocessor by filter circuit, rectification circuit, analog to digital conversion circuit successively, and the output of described filter circuit is connected with microprocessor by phase discriminator.
The invention has the beneficial effects as follows: the module of the battery monitor for the communication power supply supervisory control system of the present invention, by the monitoring storage battery charge fully and fully while discharging the internal resistance rate of change predict its dump energy, within the whole operating period of battery, accurately measure, and adopt GPRS communication module and mobile terminal to communicate, wireless wiring, simplicity of design, easily realize, the power supply that guarantees the communication power supply supervisory control system is normal, has a good application prospect.
The accompanying drawing explanation
Fig. 1 is the system block diagram of the module of the battery monitor for the communication power supply supervisory control system of the present invention.
Fig. 2 is the system block diagram of accumulator internal resistance test circuit of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, battery monitor module for the communication power supply supervisory control system, comprise accumulator internal resistance test circuit, microprocessor, storage battery charge control circuit and GPRS communication module, the accumulator internal resistance test circuit is connected with microprocessor, microprocessor is charged to storage battery by storage battery charge control circuit, and microprocessor also carries out data communication by GPRS communication module and long-range mobile terminal.
Battery monitor module of the present invention, by the accumulator internal resistance test circuit gather that storage battery charges fully and while discharging fully the internal resistance rate of change predict its dump energy, the accuracy of measuring dump energy is high, as shown in Figure 2, the accumulator internal resistance test circuit comprises that the accumulator internal resistance test circuit comprises constant-current source, filter circuit, rectification circuit, analog to digital conversion circuit and phase discriminator, constant-current source just, negative pole respectively with storage battery just, negative pole is connected, the positive pole of storage battery also passes through filter circuit successively, rectification circuit, analog to digital conversion circuit is connected with microprocessor, the output of described filter circuit is connected with microprocessor by phase discriminator, method of measurement is: at first storage battery is full of to electricity and (take the 2V storage battery as example, charge to 2.35V, float and rush electric current to 10mA), then with the discharge rate of 0.1C to battery discharge, record the size of accumulator internal resistance and electric weight in discharge process.After battery discharging (as 2V battery discharging to 1.75V), can obtain complete discharge curve, it is the relation between dump energy and accumulator internal resistance, this curve is deposited in the EPROM in microprocessor, while testing afterwards the battery of same model same specification, microprocessor is according to the internal resistance of cell value measured online, pass through computation of table lookup, draw its residual electric quantity, its measuring principle of accumulator internal resistance is as follows: apply a constant-current source Is at the storage battery two ends, then filter circuit, rectification circuit, analog to digital conversion circuit and phase discriminator detect terminal voltage Vo and Is and the Vo angle theta between the two of storage battery, draw, accumulator internal resistance R, R=Vo/Is*COS θ.
The present invention, adopt GPRS communication module and mobile terminal to communicate, wireless wiring, and communication distance is far away.
Battery monitor module of the present invention also comprises watchdog circuit and the dump energy indicator light be connected with microprocessor module, described watchdog circuit is for preventing the battery monitor module in use, unexpected collapse (such as electrostatic interference), restart the battery monitor module, guarantee the normal operation of battery monitor module; Described dump energy indicator light can show the dump energy of storage battery in real time, facilitates the user to observe use.
In sum, battery monitor for communication power supply supervisory control system module of the present invention, by the monitoring storage battery charge fully and fully while discharging the internal resistance rate of change predict its dump energy, accurately measure within the whole operating period of battery, and adopt GPRS communication module and mobile terminal to communicate, wireless wiring, simplicity of design, easily realize, guarantee that the power supply of communication power supply supervisory control system is normal, have a good application prospect.
Above demonstration and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is by appending claims and equivalent circle thereof.
Claims (3)
1. the module of the battery monitor for the communication power supply supervisory control system, it is characterized in that: comprise accumulator internal resistance test circuit, microprocessor, storage battery charge control circuit and GPRS communication module, described accumulator internal resistance test circuit is connected with microprocessor, described microprocessor is charged to storage battery by storage battery charge control circuit, and described microprocessor also carries out data communication by GPRS communication module and long-range mobile terminal.
2. the module of the battery monitor for the communication power supply supervisory control system according to claim 1, is characterized in that: also comprise the watchdog circuit and the dump energy indicator light that are connected with microprocessor module.
3. the module of the battery monitor for the communication power supply supervisory control system according to claim 1, it is characterized in that: described accumulator internal resistance test circuit comprises constant-current source, filter circuit, rectification circuit, analog to digital conversion circuit and phase discriminator, the positive and negative electrode of described constant-current source is connected with the positive and negative electrode of storage battery respectively, the positive pole of described storage battery also is connected with microprocessor by filter circuit, rectification circuit, analog to digital conversion circuit successively, and the output of described filter circuit is connected with microprocessor by phase discriminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481185.8A CN103501034A (en) | 2013-10-15 | 2013-10-15 | Storage battery monitoring module used for communication power supply monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481185.8A CN103501034A (en) | 2013-10-15 | 2013-10-15 | Storage battery monitoring module used for communication power supply monitoring system |
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| CN103501034A true CN103501034A (en) | 2014-01-08 |
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| CN201310481185.8A Pending CN103501034A (en) | 2013-10-15 | 2013-10-15 | Storage battery monitoring module used for communication power supply monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974317A (en) * | 2015-03-13 | 2016-09-28 | 精工半导体有限公司 | Remaining battery life prediction device and battery pack |
| CN110261791A (en) * | 2019-07-22 | 2019-09-20 | 天能电池集团股份有限公司 | A kind of battery group cycle life fast appraisement method |
-
2013
- 2013-10-15 CN CN201310481185.8A patent/CN103501034A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974317A (en) * | 2015-03-13 | 2016-09-28 | 精工半导体有限公司 | Remaining battery life prediction device and battery pack |
| CN110261791A (en) * | 2019-07-22 | 2019-09-20 | 天能电池集团股份有限公司 | A kind of battery group cycle life fast appraisement method |
| CN110261791B (en) * | 2019-07-22 | 2021-11-30 | 天能电池集团股份有限公司 | Method for rapidly evaluating cycle life of storage battery pack |
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Application publication date: 20140108 |