CN104269899A - Onboard lithium ion battery system - Google Patents
Onboard lithium ion battery system Download PDFInfo
- Publication number
- CN104269899A CN104269899A CN201410500041.7A CN201410500041A CN104269899A CN 104269899 A CN104269899 A CN 104269899A CN 201410500041 A CN201410500041 A CN 201410500041A CN 104269899 A CN104269899 A CN 104269899A
- Authority
- CN
- China
- Prior art keywords
- lithium
- battery group
- ions battery
- control module
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 68
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
Classifications
-
- H02J7/0026—
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an onboard lithium ion battery system. The onboard lithium ion battery system comprises a lithium ion battery pack and a battery charger, wherein the lithium ion battery pack is connected with the battery charger through a power socket and a communication socket; the lithium ion battery pack comprises a plurality of series-wound single batteries and a heating device; the lithium ion battery pack further comprises a voltage monitoring module, a current monitoring module, an equilibrium control module, a first control module and a first breaker; the battery charger comprises a series-wound charging power module, a heating power module, a total voltage monitoring module, a second control module, a second breaker, a third breaker and a DC/DC converter. The onboard lithium ion battery system can well guarantee the safety of the lithium ion battery pack.
Description
Technical field
The present invention relates to battery system, particularly relate to a kind of airborne lithium-ions battery system.
Background technology
For emergency standby power mainly lead acid accumulator and the Cd Ni battery of aviation field, along with improving constantly of aircraft tactical and technical norms, weight, the aspect such as volume and discharge-rate of active service batteries are difficult to meet the demands, and the tactical and technical norms seriously constraining various space flight and aviation aircraft improves further.In addition, because nickel cadmium cell has memory effect, maintenance procedures is complicated, the features such as useful life is short, has larger impact to the maintenance efficiency of aircraft and cost.
Lithium ion battery because operating voltage is high, power density and energy density is high, long service life, memory-less effect, charging rate fast, serviceability temperature wide ranges and the advantage such as self discharge is little, be used in the field of aerospace such as unmanned plane, aerospace craft more and more.But, if the capacity of each cell of composition lithium battery group, state-of-charge, self-discharge rate, attenuation characteristic can be inconsistent in Long-Time Service process, significantly shorten causing the useful life of battery pack.At present, the problem of inconsistency solving cell mainly uses front manufacturing technology, triage techniques and group technology by improving cell, but the service condition of aircraft is complicated, operating mode is changeable, in use consistency is difficult to effectively be ensured, and consistency difference will cause battery pack to occur safety issues such as overcharging.Therefore, it is necessary for proposing a kind of novel airborne battery system.
Summary of the invention
The technical problem to be solved in the present invention is, for emergency standby power Heavy Weight airborne in prior art, volume is large, maintenance cost is high, useful life is short and security reliability is poor defect, to provide the airborne lithium-ions battery system that a kind of long service life, memory-less effect, charging rate are fast, non-maintaining and self discharge is little.
The technical solution adopted for the present invention to solve the technical problems is:
There is provided a kind of airborne lithium-ions battery group system, comprise lithium-ions battery group and battery charger, both are connected with socket communication by power jack;
Wherein lithium-ions battery group comprises cell and the heater of multiple series connection, and heater is placed in around the cell that connects, and this lithium-ions battery group is also provided with temperature sensor, is fixed on the both positive and negative polarity pole of cell;
This lithium-ions battery group also comprises voltage monitoring module, current monitoring module, equalization control module, the first control module and the first circuit breaker; Temperature monitoring module is connected with temperature sensor; Voltage monitoring module is connected with the both positive and negative polarity of cell and lithium-ions battery group respectively; Current monitoring module is connected with the current sensor be arranged in the row of being connected in series; Equalization control module is connected with the both positive and negative polarity of cell respectively; First circuit breaker is connected with the first control module;
Battery charger comprises string charging source module, heating power supply module, total voltage monitoring module, the second control module, the second circuit breaker, the 3rd circuit breaker and DC/DC; Heating power supply module provides heating power supply for lithium-ions battery group; Total voltage monitoring module provides the total voltage of in real time monitoring lithium-ions battery group for battery charger; String charging source module provides serial connection charge power supply for lithium-ions battery group; That second control module is transmitted by socket communication or that self detects signal controlling second circuit breaker and the 3rd circuit breaker closed.
In airborne lithium-ions battery group system of the present invention, between cell and lithium-ions battery group, adopt silver-coated copper wire as voltage monitoring cable, and the voltage monitoring cable on every cell is two, adopts screw to be fixed on and connect on row.
In airborne lithium-ions battery group system of the present invention, lithium-ions battery group comprises at least two group temperature sensors, and two groups of temperature sensors are the thermistor of identical or different characteristic.
In airborne lithium-ions battery group system of the present invention, equalization control module specifically for carrying out management of charging and discharging to cell, and carries out overvoltage protection to cell; By temperature monitoring module, heating control module and heater, computer heating control is carried out to lithium-ions battery group; By current monitoring module and the first circuit breaker, overcurrent protection is carried out to lithium-ions battery group; First control module passes through the state-of-charge of voltage, electric current and the temperature estimation lithium-ions battery group monitored, and judges whether to need charging.
In airborne lithium-ions battery group system of the present invention; second control module, specifically for according to receiving and the data of the data of the lithium-ions battery group recorded transmission and the detection of total voltage monitoring module, being carried out overvoltage to lithium-ions battery group by the second circuit breaker and the 3rd circuit breaker, being crossed and put and overheated safeguard protection.
The beneficial effect that the present invention produces is: airborne lithium-ions battery system power-density of the present invention and energy density is high, long service life, memory-less effect, charging rate are fast, non-maintaining and self discharge is little; Because heating control module has dual security protection measure, batteries can safe and reliable work at a lower temperature; Batteries is according to the charging of voltage monitoring module independent startup, and battery charger prevents to overcharge and cross by Redundancy Design monitoring total voltage and puts safety issue in addition; Current monitoring module prevents overcurrent safety issue by monitoring total current size; Equalization control module carries out charge or discharge in real time according to the voltage between each cell, to ensure its electricity consistency.The present invention can well prevent lithium-ions battery group from occurring safety issue.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the airborne lithium-ions battery of the embodiment of the present invention;
Fig. 2 is battery charger schematic diagram of the present invention;
Fig. 3 is the airborne lithium-ions battery system principle diagram of the present invention;
Fig. 4 is the present invention's airborne lithium-ions battery system principle schematic diagram.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Airborne lithium-ions battery group of the present invention, as shown in Figure 1,1 be cell, 2 for cell pole, 3 for cell series connection with connect row, 4 for heating cloth, 5 for battery management system, 6 for power jack, 7 for socket communication, 8 for battery management system signals collecting connector, 9 for battery-pack exterior casing, 10 be temperature sensor, 11 be voltage acquisition and equalizing charge pin for current transmission terminal.
Battery charger of the present invention as shown in Figure 2,12 be battery charger, 13 is circuit breaker, 14 be positive pole power jack, 15 be negative pole power jack, 16 for 270V power supply base.
Airborne lithium-ions battery group system outside is a casing, is provided with the binding post that multiple rule is laid outside casing.Cell 1, voltage/current/temperature monitoring module, connection row, equalization control module, heating control module, the first control module, power jack and socket communication are assembled in batteries casing; Described heating power supply module, total voltage monitoring module, the second control module, string charging source module and DC/DC design load in combination box.The present invention is applicable to the emergent or stand-by power supply needed for various aircraft.
As shown in Figure 3, the airborne lithium-ions battery group system of the embodiment of the present invention, comprise lithium-ions battery group and battery charger two parts, lithium-ions battery group is connected by power jack and socket communication with battery charger, its both positive and negative polarity respectively with aircraft busbar and aircraft be connected.
Lithium-ions battery group comprises multiple cell, voltage/current/temperature monitoring module, connects row, equalization control module, heating control module, the first control module, power jack, socket communication, temperature sensor, current sensor, the first circuit breaker and heater.
Multiple cell is connected with power jack through current sensor with being connected after row is connected in series with the first circuit breaker; Described heater is placed in around the cell that connects; Described temperature sensor is fixed on the both positive and negative polarity pole of cell; Described temperature monitoring module is connected with temperature sensor, and in the embodiment of the present invention, temperature sensor is thermistor (PTC or NTC); Described voltage monitoring module is connected with the both positive and negative polarity of cell and lithium-ions battery group respectively; Described current monitoring module is connected with current sensor; Described equalization control module is connected with the both positive and negative polarity of cell respectively;
Further, described battery charger comprises heating power supply module, total voltage monitoring module, string charging source module, the second control module, the second circuit breaker, the 3rd circuit breaker and DC/DC, DC/DC and can be connected with the DC power supply of 270V; Described heating power supply module provides heating power supply for batteries; Described total voltage monitoring module object is monitored the total voltage of batteries in real time; Described string charging source module is for batteries provides serial connection charge power supply; Described second control module 2 is the closed of that transmitted by socket communication according to batteries or that self detects signal controlling second and the 3rd circuit breaker.
Further, adopt silver-coated copper wire as voltage monitoring cable between described voltage monitoring module and cell, batteries, and the voltage monitoring cable on every cell is 2, adopts screw to be fixed on and connect on row or both positive and negative polarity pole.
Further, described temperature monitoring module is connected with at least 2 group temperature sensors, and 2 groups of temperature sensors are thermistors (PTC or NTC) of identical or different characteristic.
Further, described first control module can carry out intelligent management according to monomer battery voltage, temperature and electric current to batteries, and sends the data to battery charger by socket communication.
As shown in Figure 4, battery charger of the present invention carries out charging to batteries and controls, and is received the data such as electric current, the temperature realization of batteries to the control of working power, heating power supply and string charging source etc. by socket communication.
Airborne lithium-ions battery system of the present invention can realize intelligent management, and by monitoring the voltage of every cell and comparing it, equalization control module carries out management of charging and discharging to cell, and carries out overvoltage protection to cell; By temperature monitoring module, heating control module and heater, computer heating control is carried out to batteries; By current monitoring module and circuit breaker, overcurrent protection is carried out to batteries; By the voltage of monitoring, the state-of-charge of electric current and temperature estimation batteries, the first control module judges whether to need charging.
Further, the second control module according to receive and the batteries recorded send data and described total voltage monitoring module detect data, by second and the 3rd circuit breaker to batteries carry out overvoltage, cross put and overheated safeguard protection.
Heating control module can be made up of software control and hardware controls two parts, and duplicate protection measure carries out safe heating to battery pack.
Airborne lithium-ions battery system power-density of the present invention and energy density is high, long service life, memory-less effect, charging rate are fast, non-maintaining and self discharge is little; Because heating control module has dual security protection measure, batteries can safe and reliable work at a lower temperature; Batteries is according to the charging of voltage monitoring module independent startup, and battery charger prevents to overcharge and cross by monitoring total voltage and puts safety issue in addition; Current monitoring module prevents overcurrent safety issue by monitoring total current size; Equalization control module carries out charge or discharge in real time according to the voltage between each cell, to ensure its Capacity uniformity.The present invention can well prevent lithium-ions battery group from occurring safety issue.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (5)
1. an airborne lithium-ions battery group system, is characterized in that, comprise lithium-ions battery group and battery charger, both are connected with socket communication by power jack;
Wherein lithium-ions battery group comprises cell and the heater of multiple series connection, and heater is placed in around the cell that connects, and this lithium-ions battery group is also provided with temperature sensor, is fixed on the both positive and negative polarity pole of cell;
This lithium-ions battery group also comprises voltage monitoring module, current monitoring module, equalization control module, the first control module and the first circuit breaker; Temperature monitoring module is connected with temperature sensor; Voltage monitoring module is connected with the both positive and negative polarity of cell and lithium-ions battery group respectively; Current monitoring module is connected with the current sensor be arranged in the row of being connected in series; Equalization control module is connected with the both positive and negative polarity of cell respectively; First circuit breaker is connected with the first control module;
Battery charger comprises string charging source module, heating power supply module, total voltage monitoring module, the second control module, the second circuit breaker, the 3rd circuit breaker and DC/DC; Heating power supply module provides heating power supply for lithium-ions battery group; Total voltage monitoring module provides the total voltage of in real time monitoring lithium-ions battery group for battery charger; String charging source module provides serial connection charge power supply for lithium-ions battery group; That second control module is transmitted by socket communication or that self detects signal controlling second circuit breaker and the 3rd circuit breaker closed.
2. airborne lithium-ions battery group system according to claim 1, it is characterized in that, adopt silver-coated copper wire as voltage monitoring cable between cell and lithium-ions battery group, and the voltage monitoring cable on every cell is two, adopts screw to be fixed on and connect on row.
3. airborne lithium-ions battery group system according to claim 1, is characterized in that, lithium-ions battery group comprises at least two group temperature sensors, and two groups of temperature sensors are the thermistor of identical or different characteristic.
4. airborne lithium-ions battery group system according to claim 1, is characterized in that, equalization control module, specifically for carrying out management of charging and discharging to the electricity of cell, prevents from occurring inconsistency between cell; By temperature monitoring module, heating control module and heater, computer heating control is carried out to lithium-ions battery group; By current monitoring module and the first circuit breaker, overcurrent protection is carried out to lithium-ions battery group; First control module passes through the state-of-charge of voltage, electric current and the temperature estimation lithium-ions battery group monitored, and judges whether to need charging.
5. airborne lithium-ions battery group system according to claim 1; it is characterized in that; second control module, specifically for according to receiving and the data of the data of the lithium-ions battery group recorded transmission and the detection of total voltage monitoring module, being carried out overvoltage to lithium-ions battery group by the second circuit breaker and the 3rd circuit breaker, being crossed and put and overheated safeguard protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500041.7A CN104269899B (en) | 2014-09-25 | 2014-09-25 | Airborne lithium-ions battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500041.7A CN104269899B (en) | 2014-09-25 | 2014-09-25 | Airborne lithium-ions battery system |
Publications (2)
| Publication Number | Publication Date |
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| CN104269899A true CN104269899A (en) | 2015-01-07 |
| CN104269899B CN104269899B (en) | 2017-09-15 |
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| CN201410500041.7A Active CN104269899B (en) | 2014-09-25 | 2014-09-25 | Airborne lithium-ions battery system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489223A (en) * | 2016-05-27 | 2017-03-08 | 广东欧珀移动通信有限公司 | Battery protecting plate, battery and mobile terminal |
| CN106537722A (en) * | 2016-05-27 | 2017-03-22 | 广东欧珀移动通信有限公司 | Battery protection board, battery and mobile terminal |
| CN108011141A (en) * | 2017-12-15 | 2018-05-08 | 四川长虹电源有限责任公司 | Aviation battery system |
| CN110116622A (en) * | 2019-05-22 | 2019-08-13 | 湖南科霸汽车动力电池有限责任公司 | Battery system used for rail vehicle |
| CN110350255A (en) * | 2018-04-02 | 2019-10-18 | 南京德朔实业有限公司 | Battery pack and charging combination |
| CN110767948A (en) * | 2019-11-14 | 2020-02-07 | 北京德知航创科技有限责任公司 | Data acquisition system of unmanned aerial vehicle lithium battery management system |
| CN112018290A (en) * | 2020-09-04 | 2020-12-01 | 四川长虹电源有限责任公司 | Battery pack mounting frame structure |
| CN113013955A (en) * | 2021-04-09 | 2021-06-22 | 武汉中原长江科技发展有限公司 | Airborne power supply mounting frame with protection circuit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106489223A (en) * | 2016-05-27 | 2017-03-08 | 广东欧珀移动通信有限公司 | Battery protecting plate, battery and mobile terminal |
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| CN110116622A (en) * | 2019-05-22 | 2019-08-13 | 湖南科霸汽车动力电池有限责任公司 | Battery system used for rail vehicle |
| CN110767948A (en) * | 2019-11-14 | 2020-02-07 | 北京德知航创科技有限责任公司 | Data acquisition system of unmanned aerial vehicle lithium battery management system |
| CN112018290A (en) * | 2020-09-04 | 2020-12-01 | 四川长虹电源有限责任公司 | Battery pack mounting frame structure |
| CN113013955A (en) * | 2021-04-09 | 2021-06-22 | 武汉中原长江科技发展有限公司 | Airborne power supply mounting frame with protection circuit |
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| CN104269899B (en) | 2017-09-15 |
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