CN102435952A - Intelligent on-line monitoring system for lithium battery - Google Patents

Intelligent on-line monitoring system for lithium battery Download PDF

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Publication number
CN102435952A
CN102435952A CN2011103957482A CN201110395748A CN102435952A CN 102435952 A CN102435952 A CN 102435952A CN 2011103957482 A CN2011103957482 A CN 2011103957482A CN 201110395748 A CN201110395748 A CN 201110395748A CN 102435952 A CN102435952 A CN 102435952A
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China
Prior art keywords
battery
unit
interface
module
charging
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Pending
Application number
CN2011103957482A
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Chinese (zh)
Inventor
付主木
刘磊坡
赵中民
高爱云
吕蒙
袁澜
肖隽亚
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Henan University of Science and Technology
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Henan University of Science and Technology
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Application filed by Henan University of Science and Technology filed Critical Henan University of Science and Technology
Priority to CN2011103957482A priority Critical patent/CN102435952A/en
Publication of CN102435952A publication Critical patent/CN102435952A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an intelligent on-line monitoring system for a lithium battery. The intelligent on-line monitoring system for the lithium battery comprises a charging module, a battery monitoring module and a display alarm module, wherein the battery monitoring module is provided with a charging interface and a battery interface; the charging module is provided with a detection interface used for connecting the charging interface; the display alarm module is connected with a wireless transmission unit in the battery monitoring module in a wireless way by a wireless receiving unit; the battery monitoring module is also provided with a main controller, a battery mode recognition unit, an electrode switching unit, a sampling unit, a protection circuit and an output interface; and the output of the battery is connected with the output interface sequentially through the battery interface, the battery mode recognition unit, the electrode switching unit, the sampling unit and the protection circuit. The mentoring system is small in size and low in power consumption, and is capable of integrating charging and protecting and omitting the trouble of measuring the voltage at the fixed time; and display and alarm are separated from the battery, so that the system is visual, capable of monitoring in a remote way and convenient for centralized management.

Description

A kind of lithium battery intelligent on-line monitoring system
Technical field
The present invention relates to the detection protection field of lithium battery, the intelligent online monitoring system of always lithium battery being carried out remote monitoring, protection specifically.
Background technology
Widespread use along with movable equipment; To the applied more and more of battery, require also increasingly high, lithium battery especially; In view of characteristics such as its WV are high, energy density is big, discharge capability is strong; The status of not replacing has been arranged, but lithium battery also has its weak one side, as to discharge and recharge the degree sensitivity, can not overcharge, more can not over-discharge can, use and also can constitute potential danger etc. accidentally the user.
Over-discharge can is the main reason that influences the lithium battery life-span with charging.If discharge surpasses its basic voltage limit boundary line, with the serviceable life that greatly shortens lithium battery; If during to battery charge, incorrect selection battery mode or selected voltage, electric current cause battery to overcharge, and this causes the injury of irrecoverable property equally to battery.
At present, the application of lithium battery is very extensive, and the fender of part lithium battery all only crosses battery and put, overcharge and play a protective role, and great majority are still only realized through the combination of circuits mode, still not through lithium battery intelligent protection system soft, combination of hardware; The part battery charger is the bound that pattern and charging voltage, electric current are set through manual mode, the charger that still do not have Intelligent Recognition, is provided with automatically; In the protection and the warning field of lithium battery, still do not utilize wireless telecommunications to realize that remote alarms and battery information show.Use field and remote online monitoring field still to belong to blank in the intellectuality of lithium battery.
Summary of the invention
Technical matters to be solved by this invention provides that a kind of circuit complexity is low, real-time good, stability is high, can monitor the lithium battery intelligent on-line monitoring system of battery operated state in real time.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be: a kind of lithium battery intelligent on-line monitoring system; Comprise charging module, battery detection module and display alarm module; The battery detection module is provided with charging inlet and the battery interface that is used to be connected battery; Charging module is provided with the detection interface that is used to connect battery detection module charging inlet, radio receiving unit and the battery detection module interior wireless transmitting unit wireless connections of display alarm module through wherein being provided with;
Described battery detection module also is provided with master controller, battery mode recognition unit, electrode switch unit, sampling unit, holding circuit and output interface, and the output of battery is connected to output interface through battery interface, battery mode recognition unit, electrode switch unit, sampling unit and holding circuit successively; The battery mode recognition unit is connected with master controller, to transmit battery information and to receive control signal; Sampling unit is passed to master controller with the voltage and current information of gathering, and receives the control signal of master controller; The control end of master controller is connected with holding circuit with the electrode switch unit;
Described charging module also is provided with the electrical network interface that is used to connect electrical network, electric current and voltage limiting unit and the saturation detection unit that is used to control charging voltage and electric current; The electric current and voltage limiting unit transfers to battery interface with the electric weight of electrical network interface input through detecting interface and charging inlet, and electric current and voltage limiting unit and saturation detection unit carry out communication through detecting interface and charging inlet and master controller.
Described display alarm module also is provided with slave controller, display unit and alarm unit, and slave controller is through radio receiving unit and wireless transmitting unit and master controller wireless connections; Slave controller is respectively to display unit and alarm unit output data and control signal.
Comprise a plurality of interfacing equipments in the on-line monitoring system of the present invention, interfacing equipment provides connecting between system and battery, system and electrical network, module and the module; The battery detection module directly links to each other with battery, charging module respectively, and links to each other indirectly with the display alarm module; Charging module directly links to each other with the battery detection module; The display alarm module links to each other with the battery detection module indirectly.
Said battery detection module comprises master controller, is used to receive the data that battery detection module, each unit of charging module are returned, through these data of specific algorithm process, and above each unit of control.Battery interface in the interfacing equipment is used to connect lithium battery and battery detection module; Output interface is used to connect battery detection module and load; Charging inlet is used to connect charging module; The battery mode recognition unit; Through being connected the lithium battery balancing head on the battery interface; Master controller can be sampled to the voltage of each battery, confirms the number of battery according to sampled data, thereby judges pattern, the polarity of battery in conjunction with the voltage of battery discharge interface; Master controller is according to the pattern of battery; The upper and lower limit of voltage and electric current when its operate as normal is set with charging automatically, if the polarity of battery is undesirable, main controller controls electrode switch unit carries out the automatic switchover of electrode; Electrode switch unit, this element have only the both positive and negative polarity of battery to connect just to use inverse time; Voltage, current sampling unit are used in real time the voltage and current of battery being sampled, and give master controller with the result; Holding circuit, master controller is handled the data that voltage, current sampling unit return, and when voltage, current anomaly, this circuit is just worked; Wireless transmitting unit, master controller at first will be encrypted from the useful battery information that units corresponding obtains, and send to slave controller through receiving element.
Said charging module comprises the monitoring interface, is used to connect charging module and battery detection module; The electrical network interface is used to connect charging module and electrical network; The electric current and voltage limiting unit; Be used to detect the voltage and current when charging the battery; The pattern that master controller is measured according to the battery mode recognition unit; The voltage of battery charge, the upper and lower limit of electric current are set automatically, also can artificially change within the specific limits, but can not surpass voltage, the electric current that battery itself can bear; Saturation detection unit, this element are operated in the whole process of battery charge, can effectively prevent over-charging of battery.
Said display alarm module comprises: radio receiving unit receives the data that wireless transmitting unit is sent, and gives slave controller; Slave controller is deciphered the data that radio receiving unit receives, verification, and return to master controller through radio receiving unit and reply accordingly; Slave controller extracts useful information and delivers to the display unit demonstration from the information of deciphering, if comprise the error status of battery in the data, slave controller is analyzed state, and the control alarm unit sends corresponding sound; Display unit: receive the control of slave controller, show information such as battery operated state, voltage, discharge current; Alarm unit: controlled by slave controller, and send corresponding alarm sound when unusual battery operated.
The invention has the beneficial effects as follows: monitoring system, volume is little, low in energy consumption, has realized that charging, protection are integrated, has removed battery from and has crossed the worry of putting, overcharging and regularly survey voltage loaded down with trivial details; Demonstration, warning separate with battery, have realized the intuitive remote monitoring property of system and have been convenient to the concentrate tube rational faculty; Adopt unique data processing algorithm, strengthened the reliability of system; Have a plurality of selective multifunction modules, have more practical value.
Description of drawings
Fig. 1 is the syndeton synoptic diagram of charging module of the present invention and battery detection module;
Fig. 2 is the structural representation of display alarm module.
Mark among the figure: 1, electrical network interface, 2, the electric current and voltage limiting unit, 3, the saturation detection unit, 4, detect interface; 5, charging inlet, 6, battery interface, 7, master controller, 8, wireless transmitting unit; 9, battery mode recognition unit, 10, the electrode switch unit, 11, sampling unit, 12, holding circuit; 13, output interface, 14, radio receiving unit, 15, slave controller, 16, display unit; 17, alarm unit, 18, charging module, 19, the battery detection module, 20, the display alarm module.
Embodiment
As shown in the figure, a kind of lithium battery intelligent on-line monitoring system, total system comprises: charging module 18, battery detection module 19 and display alarm module 20.Battery detection module 19 is provided with charging inlet 5 and the battery interface 6 that is used to be connected battery; Charging module 18 is provided with the detection interface 4 that is used to connect battery detection module 19 charging inlets 5, and display alarm module 20 is through the radio receiving unit 14 of wherein setting and wireless transmitting unit 8 wireless connections in the battery detection module 19.Wherein battery detection module 19 directly links to each other with battery, and in running order always; 18 of charging modules just link to each other with battery detection module 19, and charge the battery through battery detection module 19 when battery charge; Display alarm module 20 can show information such as the duty, voltage of battery in real time, and can when condition satisfies, send alarm sound.
Battery detection module 19 among Fig. 1 is fixed on the battery, and the output line of battery is received on the battery interface 6, and this module just can be worked.Described battery detection module 19 also is provided with master controller 7, battery mode recognition unit 9, electrode switch unit 10, sampling unit 11, holding circuit 12 and output interface 13, and the output of battery is connected to output interface 13 through battery interface 6, battery mode recognition unit 9, electrode switch unit 10, sampling unit 11 and holding circuit 12 successively.Battery mode recognition unit 9 is connected with master controller 7, to transmit battery information and to receive control signal.The control end of master controller 7 is connected with holding circuit 12 with electrode switch unit 10.Battery module recognition unit 9 is connected on the voltage relationship on the battery interface 6 through master controller 7 judgements, and whether determining electrode switch unit 10 carries out electrode switches, and electrode switching complement mark the battery detection module and begun to get into duty.Sampling unit 11 is regularly sampled to the electric current, the voltage that flow through this element; And give master controller 7 with data; The data that master controller 7 returns according to sampling unit 11; Whether execute protection moves for control SF and holding circuit, and useful data is sent to display alarm module 20 through wireless transmitting unit 8; Battery passes through a series of control module, protected location, and from output port output is exactly safe, stable voltage, electric current.
Described charging module 18 is provided with the electrical network interface 1 that is used to connect electrical network, electric current and voltage limiting unit 2 and the saturation detection unit 3 that is used to control charging voltage and electric current.Charging module 18 among Fig. 1 does not have separate controller; Electric current and voltage limiting unit 2 receives master controller 7 controls with saturation detection unit 3 through monitoring interface 4, charging inlet 5, and battery obtains electric energy through charging inlet 5, monitoring interface 4, electric current and voltage limiting unit 2 from electrical network interface 1 simultaneously.Electric current and voltage limiting unit 2 carries out communication through detecting interface 4 with charging inlet 5 and master controller 7 with saturation detection unit 3.The electrical network interface 1 of charging module 18 can directly get access to grid; Electric current and voltage limiting unit 2 becomes to be recharged the required voltage of battery with the voltage transitions of input; Charge the battery through charging inlet 5 then, whether saturated detecting unit 3 detects battery always and is full of in the whole process of charging, when battery electric quantity reaches capacity; Master controller 7 will be controlled the charging that charging module 18 interrupts battery, and control display alarm module 20 shows " electric weight is full of " and sends alarm sound.
Described display alarm module 20 also is provided with slave controller 15, display unit 16 and alarm unit 17.Slave controller 15 carries out communication through radio receiving unit 14 and wireless transmitting unit 8 and master controller 7 wireless connections.Radio receiving unit 14 receives the data that wireless transmitting unit 8 is sent; Slave controller 15 is handled through the data that wireless transmitting unit 8 is sent; Then to display unit 16 output datas; Useful battery information is shown, perhaps, send alarm sound through alarm unit 17 to alarm unit 17 output control signals.A display alarm module 20 can receive the data of a plurality of wireless transmitting unit 8 through different channels, thereby has realized the centralized management of battery.
A kind of lithium battery intelligent on-line monitoring system of the present invention is very simple in use, during use battery is directly linked to each other with the battery detection module, and the battery detection module just can be worked automatically, and sends the data to the display alarm module continuously.When battery is charged, need only charging module be linked to each other with the battery detection module, need not to carry out the isoparametric setting of upper voltage limit.

Claims (3)

1. lithium battery intelligent on-line monitoring system; It is characterized in that: comprise charging module (18), battery detection module (19) and display alarm module (20); Battery detection module (19) is provided with charging inlet (5) and the battery interface that is used to be connected battery (6); Charging module (18) is provided with the detection interface (4) that is used to connect battery detection module (19) charging inlet (5), the radio receiving unit (14) and battery detection module (19) interior wireless transmitting unit (8) wireless connections of display alarm module (20) through wherein being provided with;
Described battery detection module (19) also is provided with master controller (7), battery mode recognition unit (9), electrode switch unit (10), sampling unit (11), holding circuit (12) and output interface (13), and the output of battery is passed through battery interface (6), battery mode recognition unit (9), electrode switch unit (10), sampling unit (11) and holding circuit (12) successively and is connected to output interface (13); Battery mode recognition unit (9) is connected with master controller (7), to transmit battery information and to receive control signal; Sampling unit (11) is passed to master controller (7) with the voltage and current information of gathering, and receives the control signal of master controller (7); The control end of master controller (7) is connected with holding circuit (12) with electrode switch unit (10).
2. a kind of lithium battery intelligent on-line monitoring system according to claim 1; It is characterized in that: described charging module (18) also is provided with the electrical network interface (1) that is used to connect electrical network, electric current and voltage limiting unit (2) and saturation detection unit (3) that are used to control charging voltage and electric current; Electric current and voltage limiting unit (2) transfers to battery interface (6) with the electric weight of electrical network interface (1) input through detecting interface (4) and charging inlet (5), and electric current and voltage limiting unit (2) and saturation detection unit (3) are carried out communication through detecting interface (4) and charging inlet (5) with master controller (7).
3. a kind of lithium battery intelligent on-line monitoring system according to claim 1; It is characterized in that: described display alarm module (20) also is provided with slave controller (15), display unit (16) and alarm unit (17), and slave controller (15) is through radio receiving unit (14) and wireless transmitting unit (8) and master controller (7) wireless connections; Slave controller (15) is respectively to display unit (16) and alarm unit (17) output data and control signal.
CN2011103957482A 2011-12-04 2011-12-04 Intelligent on-line monitoring system for lithium battery Pending CN102435952A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104375090A (en) * 2014-11-12 2015-02-25 国网重庆市电力公司电力科学研究院 Rechargeable lithium battery remaining capacity remote monitoring device and monitoring method thereof
CN105398406A (en) * 2015-11-03 2016-03-16 惠州市德赛电池有限公司 Lithium battery status control system and method for vehicle-mounted starting power supply
CN107390133A (en) * 2017-07-28 2017-11-24 北京易点淘网络技术有限公司 Battery detection equipment, system and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435952A (en) * 2011-12-04 2012-05-02 河南科技大学 Intelligent on-line monitoring system for lithium battery

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CN2427815Y (en) * 2000-03-17 2001-04-25 哈尔滨工业大学 Apparatus for testing electric capacit in batter
CN101414754A (en) * 2007-10-16 2009-04-22 C.&E.泛音有限公司 Rechargeable battery-device combination and battery
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Publication number Priority date Publication date Assignee Title
CN104375090A (en) * 2014-11-12 2015-02-25 国网重庆市电力公司电力科学研究院 Rechargeable lithium battery remaining capacity remote monitoring device and monitoring method thereof
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CN105398406A (en) * 2015-11-03 2016-03-16 惠州市德赛电池有限公司 Lithium battery status control system and method for vehicle-mounted starting power supply
CN107390133A (en) * 2017-07-28 2017-11-24 北京易点淘网络技术有限公司 Battery detection equipment, system and method

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