CN103838167A - Power lithium ion battery formation control system based on FPGA - Google Patents
Power lithium ion battery formation control system based on FPGA Download PDFInfo
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- CN103838167A CN103838167A CN201210492652.2A CN201210492652A CN103838167A CN 103838167 A CN103838167 A CN 103838167A CN 201210492652 A CN201210492652 A CN 201210492652A CN 103838167 A CN103838167 A CN 103838167A
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Abstract
The invention relates to a power lithium ion battery formation control system based on an FPGA. The power lithium ion battery formation control system based on the FPGA comprises an ARM processor, the FPGA, a measuring plate, a memorizer, a touch screen, a hardware protective circuit and a current and voltage control circuit. The ARM processor is respectively connected with the FPGA, the measuring plate, the memorizer and the touch screen, the FPGA is respectively connected with the hardware protective circuit and the current and voltage control circuit, and the current and voltage control circuit is connected with a power lithium ion battery with formation to be carried out. Compared with the prior art, the power lithium ion battery formation control system based on the FPGA has the advantages of being high in control accuracy, good in flexibility, low in implementation cost and the like.
Description
Technical field
The present invention relates to a kind of power lithium-ion battery and change into control system, especially relate to a kind of power lithium-ion battery based on FPGA and change into control system.
Background technology
It is exactly after power lithium-ion battery has just been produced that power lithium-ion battery changes into, and it is done to once charging, and so as to activated batteries, its effect is similar to " format " to floppy disk.Having changed into rear battery could start to discharge and recharge normally.Principle is simply said, exactly battery is charged for the first time, allows the active substance in battery activate, and generates a kind of film of densification, so as to protecting whole chemical interface at anode surface simultaneously.The production of power power lithium-ion battery, must be through the electric reactivation process of charge and discharge, generally to complete after the structural installation procedure of power lithium-ion battery, press certain voltage, current ratio according to the capacity of battery, carry out charge and discharge process repeatedly, to realize the electricity activation of power lithium-ion battery and the check of capacity characteristic.
The power lithium-ion battery of production run changes into and need to change into separately processing to each power lithium-ion battery, means that each battery will have independently to change into passage, and be the demand that coordinates production lot, an equipment need to have multiple passages that change into.General common be all 32～64 passages not etc., independently control these passages, mean the D/A controller of needs 32～64 passages and 150 I/O mouths nearly, common MCU can not meet this requirement substantially, need to expand D/A and I/O mouth completes by outside.If realizing the independent of 32～64 passages with D/A conversion chip controls, mean that 32～64 D/A control chips of needs complete, the single D/A control chip price of high precision (more than 12bit) is all somewhat expensive comparatively speaking, if design this system with tens D/A, product is originally huge, is difficult to accept in price.
Summary of the invention
Object of the present invention is exactly to provide in order to overcome the defect that above-mentioned prior art exists that a kind of control accuracy is high, dirigibility good, realize the power lithium-ion battery based on FPGA that cost is low changes into control system.
Object of the present invention can be achieved through the following technical solutions:
A kind of power lithium-ion battery based on FPGA changes into control system; it is characterized in that; comprise arm processor, FPGA, measurement plate, storer, touch-screen, hardware protection circuit and current/voltage control circuit; described arm processor is connected with FPGA, measurement plate, storer, touch-screen respectively; described FPGA is connected with hardware protection circuit, current/voltage control circuit respectively, and described current/voltage control circuit is connected with power lithium-ion battery to be changed.
Described arm processor is connected with storer by I2C bus, and described arm processor is connected with measurement plate, touch-screen by serial communication bus respectively.
Described storer is EEPROM.
Described FPGA is provided with 32～64 road PWM and controls output interface and I/O expansion mouthful; described PWM controls output interface and is connected with current/voltage control circuit; described I/O expansion mouthful is connected with hardware protection circuit, and described PWM controls output interface and realizes multichannel electric current Control of Voltage.
Described arm processor is connected with FPGA communication with data bus by address bus respectively.
Compared with prior art, the present invention has the following advantages:
1, arm processor and FPGA can programmed process, this mode has improved extendability and the customizing functions of system greatly, digitized voltage, current processing improve precision and the dirigibility controlled, the power lithium-ion battery charge and discharge management that system energy flexible adaptation is different.
2, realize cost low, FPGA is field programmable logic device, and its benefit is that hardware programmable realizes some algorithms and Function Extension, response speed is exceedingly fast, and substantially all in nS level, need not pre-define pin, can first design concept figure and pcb board, then carry out Pin programming and distribute.Due to hardware programmable, can adjust very flexibly pin definitions, any one I/O function before programming is all equal to, and can use arbitrarily wiring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1; a kind of power lithium-ion battery based on FPGA changes into control system; comprise arm processor 1, FPGA2, measurement plate 3, storer, touch-screen 4, hardware protection circuit 7 and current/voltage control circuit 6; described arm processor 1 is connected with FPGA2, measurement plate 3, storer, touch-screen 4 respectively; described FPGA2 is connected with hardware protection circuit 7, current/voltage control circuit 6 respectively, and described current/voltage control circuit 6 is connected with power lithium-ion battery to be changed.
Described arm processor 1 is connected with storer by I2C bus, and described arm processor 1 is connected with measurement plate 3, touch-screen 4 by serial communication bus respectively.Described storer is EEPROM 5.
Described FPGA is provided with 32～64 road PWM and controls output interface and I/O expansion mouthful; described PWM controls output interface and is connected with current/voltage control circuit; described I/O expansion mouthful is connected with hardware protection circuit, and described PWM controls output interface and realizes multichannel electric current Control of Voltage.Described arm processor is connected with FPGA communication with data bus by address bus respectively.
The present invention adopts FPGA programming to produce PWM analog D/A controller and realizes, and produces 16BIT pwm signal realize the above D/A control of 12bit function with VHDL programming.Adopt XILINX FPGA programmable logic chip to realize 32～64 road PWM and control output and the nearly expansion of 100 I/O mouths.
The control I/O mouth of single passage and simulation mouth are many, and the CPU of single ARM is difficult to meet system requirements.If adopt multiple CPU, not only cost is high, also relates to the problem of multi computer communication, system complex, and reliability reduces.FPGA is field programmable logic device, and its benefit is that hardware programmable realizes some algorithms and Function Extension, and response speed is exceedingly fast, and substantially all in nS level, need not pre-define pin, can first design concept figure and pcb board, then carry out Pin programming and distribute.Due to hardware programmable, can adjust very flexibly pin definitions, any one I/O function before programming is all equal to, and can use arbitrarily wiring.
FPGA is mainly that the generation that realizes I/O expansion and PWM realizes multichannel charging voltage, Current Control, and corresponding system hardware protection.
32BIT arm processor and FPGA can programmed process, this mode has improved extendability and the customizing functions of system greatly, digitized voltage, current processing improve precision and the dirigibility controlled, the power lithium-ion battery charge and discharge management that system energy flexible adaptation is different.
Claims (5)
1. the power lithium-ion battery based on FPGA changes into control system; it is characterized in that; comprise arm processor, FPGA, measurement plate, storer, touch-screen, hardware protection circuit and current/voltage control circuit; described arm processor is connected with FPGA, measurement plate, storer, touch-screen respectively; described FPGA is connected with hardware protection circuit, current/voltage control circuit respectively, and described current/voltage control circuit is connected with power lithium-ion battery to be changed.
2. a kind of power lithium-ion battery based on FPGA according to claim 1 changes into control system, it is characterized in that, described arm processor is connected with storer by I2C bus, and described arm processor is connected with measurement plate, touch-screen by serial communication bus respectively.
3. a kind of power lithium-ion battery based on FPGA according to claim 1 changes into control system, it is characterized in that, described storer is EEPROM.
4. a kind of power lithium-ion battery based on FPGA according to claim 1 changes into control system; it is characterized in that; described FPGA is provided with 32～64 road PWM and controls output interface and I/O expansion mouthful; described PWM controls output interface and is connected with current/voltage control circuit; described I/0 expansion mouthful is connected with hardware protection circuit, and described PWM controls output interface and realizes multichannel electric current Control of Voltage.
5. a kind of power lithium-ion battery based on FPGA according to claim 1 changes into control system, it is characterized in that, described arm processor is connected with FPGA communication with data bus by address bus respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492652.2A CN103838167A (en) | 2012-11-27 | 2012-11-27 | Power lithium ion battery formation control system based on FPGA |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492652.2A CN103838167A (en) | 2012-11-27 | 2012-11-27 | Power lithium ion battery formation control system based on FPGA |
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| CN103838167A true CN103838167A (en) | 2014-06-04 |
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| CN201210492652.2A Pending CN103838167A (en) | 2012-11-27 | 2012-11-27 | Power lithium ion battery formation control system based on FPGA |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516389A (en) * | 2014-12-31 | 2015-04-15 | 新疆众和股份有限公司 | System for controlling VFE voltage of formation production line |
| CN105867241A (en) * | 2016-04-28 | 2016-08-17 | 中车株洲电力机车研究所有限公司 | Chopping expansion controller |
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| CN2672668Y (en) * | 2004-01-17 | 2005-01-19 | 沈阳新松机器人自动化股份有限公司 | Lithium power battery formation measuring and controlling device |
| US20100144192A1 (en) * | 2003-07-28 | 2010-06-10 | Johnson Controls Technology Company | Battery connector |
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| CN202940613U (en) * | 2012-11-27 | 2013-05-15 | 上海航天有线电厂 | Device for controlling power lithium ion battery formation based on FPGA |
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2012
- 2012-11-27 CN CN201210492652.2A patent/CN103838167A/en active Pending
Patent Citations (5)
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| US4425192A (en) * | 1982-12-07 | 1984-01-10 | Allied Corporation | Method of forming battery electrodes |
| US20100144192A1 (en) * | 2003-07-28 | 2010-06-10 | Johnson Controls Technology Company | Battery connector |
| CN2672668Y (en) * | 2004-01-17 | 2005-01-19 | 沈阳新松机器人自动化股份有限公司 | Lithium power battery formation measuring and controlling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516389A (en) * | 2014-12-31 | 2015-04-15 | 新疆众和股份有限公司 | System for controlling VFE voltage of formation production line |
| CN104516389B (en) * | 2014-12-31 | 2016-09-28 | 新疆众和股份有限公司 | A kind of chemical conversion production line VFE voltage control system |
| CN105867241A (en) * | 2016-04-28 | 2016-08-17 | 中车株洲电力机车研究所有限公司 | Chopping expansion controller |
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Application publication date: 20140604 |
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