CN101894988B - MEMS composite micro-energy system power supply - Google Patents
MEMS composite micro-energy system power supply Download PDFInfo
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- CN101894988B CN101894988B CN2010102280329A CN201010228032A CN101894988B CN 101894988 B CN101894988 B CN 101894988B CN 2010102280329 A CN2010102280329 A CN 2010102280329A CN 201010228032 A CN201010228032 A CN 201010228032A CN 101894988 B CN101894988 B CN 101894988B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses an MEMS composite micro-energy system power supply, which comprises an MEMS micro direct methanol fuel cell, an MEMS micro solar cell, an MEMS micro super-capacitor unit, an ultra-low power consumption temperature sensor LM75B, a microprocessor ATmega168p, a power supply management chip MAX1586B and a shell, wherein the ultra-low power consumption temperature sensor LM75B is attached to the MEMS micro direct methanol fuel cell; the MEMS micro direct methanol fuel cell is connected with a main power supply pin of the power supply management chip MAX1586B; the MEMS micro solar cell is connected with a backup power supply pin of the power supply management chip MAX1586B; the MEMS micro direct methanol fuel cell and the MEMS micro super-capacitor unit are connected in parallel; and the power supply management chip MAX1586B is connected with the 8bit AVR series microprocessor ATmega168p. The MEMS composite micro-energy system power supply integrally improves the working performance and stability of MEMS micro-energy sources by compounding multiple MEMS micro-energy sources of different types into a power supply module, provides multiple standard outputs, and has the characteristics of light weight, portability, long service life, small floor area, low system power consumption, environmental protection and use repeatability.
Description
(1) technical field
The present invention relates to the little energy field of MEMS, be specifically related to a kind of MEMS composite micro-energy system power supply.
(2) background technology
The superior performance volume is the maximum characteristics of the little energy of MEMS for a short time; If separately the little energy of a kind of MEMS is carried out power management; Can't accomplish the maximum performance of advantage and the maximum constraints of shortcoming; If the little energy of multiple MEMS is combined into as a whole system and it is carried out power management effectively, will play the complementary effect of pluses and minuses each other.As the minitype portable energy, all there is its inherent advantage in MEMS micro fuel cell, MEMS micro solar battery, MEMS micro super capacitor unit, the miniature isotope battery of MEMS, MEMS microgenerator, MEMS minisize thermoelectric pond etc.It is its biggest advantage that the MEMS micro fuel cell has higher specific energy and energy conversion efficiency; The MEMS micro solar battery is simple in structure, pollution-free to be the interested main causes of people; MEMS micro super capacitor cell life parent long, that can provide transient high-current to obtain people look at, and the little energy of the MEMS of other type also all has the advantage of self.But; The miniature energy of each type also exist simultaneously can not and the shortcoming avoided; If the little energy of dissimilar MEMS is joined together to coordinate each other for the external world power supply to be provided; The shortcoming that can remedy each other each other also can further be optimized advantage each other, accomplishes the best configuration of resource, constitutes the power module of a super low-power consumption, small size, high reliability.This power module energy density height can normally use in rugged environment; Being highly suitable for miniaturized electronicss such as portable type electronic product, individual soldier radio station night vision device, microsensor, miniature actuator, is one of new forms of energy of most possible at present replacement traditional energy.This design is not with the simple connection in series-parallel of the little energy of dissimilar MEMS as the composite micro-energy system of portable energy source, and mainly there is following problem in the research to composite micro-energy system at present:
(1) work characteristics of the dissimilar little energy of MEMS and output characteristic have very big-difference, so need special circuit that it is adjusted before compound.
(2) the MEMS micro fuel cell can produce a large amount of heat in the course of the work, not only influences the service behaviour of micro fuel cell itself, and whole hybrid system is caused unnecessary influence.
(3) the little energy of MEMS is because effectively working volume is small, and power output is little with respect to common power, so electric power management circuit necessarily requires super low-power consumption.
(4) output of traditional portable formula power module is fixing, is unfavorable for the multi multiplexing of same power module, therefore needs the circuit of design low-power consumption to realize the output of multichannel normal voltage.
(5) traditional power module can work the mischief to environment, and does not have recycle property.
(3) summary of the invention
The purpose of this invention is to provide sharp a kind of employing super low-power consumption microprocessor, super low-power consumption programmable multifunctional power management chip, super low-power consumption temperature sensor and other related devices; The little energy of two or more dissimilar MEMS is carried out effective power management; The inner temperature sensor real time temperature that adopts of power module detects; Integral body has improved the service behaviour and the stability of the little energy of MEMS, has a kind of composite micro-energy system power supply of reusable edible property.
The objective of the invention is to realize like this: comprise MEMS micro direct methanol fuel battery, MEMS micro solar battery, MEMS micro super capacitor unit, super low-power consumption temperature sensor LM75B, 8 AVR series microprocessor ATmega168p, power management chip MAX1586B and shells; Shell is a rectangular shape; MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are installed in enclosure; The MEMS micro direct methanol fuel battery is installed near shell right side sidewall, and super low-power consumption temperature sensor LM75B is close on the MEMS micro direct methanol fuel battery; The right side sidewall of shell is provided with the heat radiation window; The shell top was provided with liquid/scarce liquid LED light and liquid injection port; Liquid injection port is connected with the MEMS micro direct methanol fuel battery; The front of shell is provided with the standard output controller, and the left side sidewall of shell is provided with the standard output interface, and the MEMS micro solar battery is installed on the shell of top, MEMS micro super capacitor unit; The MEMS micro direct methanol fuel battery is connected with the main power source pin of power management chip MAX1586B; The MEMS micro solar battery is connected with the stand-by power supply pin of power management chip MAX1586B, and MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are connected in parallel, and power management chip MAX1586B is connected with the standard output controller; The standard output controller is connected with the standard output interface; Power management chip MAX1586B is connected with 8 AVR series microprocessor ATmega168p, 8 AVR series microprocessor ATmega168p respectively with cross liquid/lack the liquid LED light, super low-power consumption temperature sensor LM75B is connected, 8 AVR series microprocessor ATmega168p and power management chip MAX1586B are welded on the circuit board.
The present invention also has following characteristics in addition:
1, described MEMS micro fuel cell mainly is responsible for extraneous electric, and is system self and extraneous electric under the situation of intensity of illumination deficiency; Power supply output is selected often to open out-put supply as system self power supply, and select to dispatch from the factory preset 3.3V, 2.5V are the Programmable Dynamic voltage output of resolution as output and 0.75V-1.4V scope 0.025V.
2, described super low-power consumption temperature sensor is LM75B, and super low-power consumption temperature sensor LM75B also is connected with the LED temperature indicator.
3, described power management chip MAX1586B passes through I
2C bus and 8 AVR series microprocessor ATmega168p carry out data communication.
4, described MEMS micro direct methanol fuel battery is as main power supply, and the MEMS micro solar battery is as accessory power supply.
5, described MEMS micro super capacitor unit comprises 2 MEMS micro super capacitors and balance protective circuit, and 2 MEMS micro super capacitors are connected in series, the balanced protection circuit with connect after 2 MEMS micro super capacitors be connected in parallel.
The invention has the advantages that:
(1) two kinds or the more how dissimilar little energy of MEMS are compound in the power module, design the working method under the varying environment according to characteristics separately.
(2) the inner temperature sensor real time temperature that adopts of power module detects, and integral body has improved the service behaviour and the stability of the little energy of MEMS;
(3) changed the single output present situation of conventional portable power supply, a plurality of standard outputs are provided;
(4) lightly portable, long service life;
(5) take up room for a short time, system's oneself power consumption is low;
(6) environmental protection can reuse.
(4) description of drawings
Fig. 1 is a MEMS composite micro-energy system power supply shell sketch map;
Fig. 2 is inner each the device layout vertical view of MEMS composite micro-energy system power supply;
Fig. 3 is inner each the device layout end view of MEMS composite micro-energy system power supply
Fig. 4 dust-proof type heat radiation window sketch map;
Fig. 5 power management chip and microprocessor connection layout;
Fig. 6 is a MEMS composite micro-energy system power supply theory diagram;
Wherein 1, the MEMS micro solar battery, 2, the standard output interface, 3, shell, 4, the standard output controller; 5, cross liquid/lack liquid LED light, 6, liquid injection port, 7, the heat radiation window, 8, the MEMS micro direct methanol fuel battery; 9, MEMS micro super capacitor unit, 10, super low-power consumption temperature sensor LM75B, 11, circuit board, 12, balancing circuit unit; 13, MEMS micro direct methanol fuel battery, 14, MEMS micro super capacitor unit, 15, the LED temperature indicator, 16, super low-power consumption temperature sensor LM75B; 17, MEMS micro solar battery, 18, power management chip MAX1586B, 19,8 AVR series microprocessor ATmega 168p, 20, the standard output controller; 21, standard output interface, 22, cross liquid/lack liquid LED light, 23, the LED temperature indicator.
(5) embodiment
Further specify according to accompanying drawing:
Comprise MEMS micro direct methanol fuel battery, MEMS micro solar battery, MEMS micro super capacitor unit, super low-power consumption temperature sensor LM75B, 8 AVR series microprocessor ATmega168p, power management chip MAX1586B and shells; Shell is a rectangular shape; MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are installed in enclosure; The MEMS micro direct methanol fuel battery is installed near shell right side sidewall, and super low-power consumption temperature sensor LM75B is close on the MEMS micro direct methanol fuel battery; The right side sidewall of shell is provided with the heat radiation window; The shell top was provided with liquid/scarce liquid LED light and liquid injection port; Liquid injection port is connected with the MEMS micro direct methanol fuel battery; The front of shell is provided with the standard output controller; The left side sidewall of shell is provided with the standard output interface, and the MEMS micro solar battery is installed on the shell of top, MEMS micro super capacitor unit, and the MEMS micro direct methanol fuel battery is connected with the main power source pin of power management chip MAX1586B; The MEMS micro solar battery is connected with the stand-by power supply pin of power management chip MAX1586B; MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are connected in parallel, and power management chip MAX1586B is connected with the standard output controller, and the standard output controller is connected with the standard output interface; Power management chip MAX1586B is connected with 8 AVR series microprocessor ATmega168p, and liquid/scarce liquid LED light, super low-power consumption temperature sensor LM75B are connected 8 AVR series microprocessor ATmega168p respectively with excessively.Described MEMS micro fuel cell mainly is responsible for extraneous electric, and is system self and extraneous electric under the situation of intensity of illumination deficiency; Power supply output is selected often to open out-put supply as system self power supply, and select to dispatch from the factory preset 3.3V, 2.5V are the Programmable Dynamic voltage output of resolution as output and 0.75V-1.4V scope 0.025V.Described super low-power consumption temperature sensor is LM75B, and super low-power consumption temperature sensor LM75B also is connected with the LED temperature indicator.Described power management chip MAX1586B passes through I
2C bus and 8 AVR series microprocessor ATmega168p carry out data communication.Described MEMS micro direct methanol fuel battery is as main power supply, and the MEMS micro solar battery is as accessory power supply.Described MEMS micro super capacitor unit comprises 2 MEMS micro super capacitors and balance protective circuit, and 2 MEMS micro super capacitors are connected in series, the balanced protection circuit with connect after 2 MEMS micro super capacitors be connected in parallel.
Sufficient relatively and the MEMS micro solar battery is produced satisfy system self when extraneous intensity of illumination; Comprise to the MEMS ultracapacitor and charging; When reaching the voltage request of external loading; Then this system's output and system self power supply are all provided by the MEMS micro solar battery, and this moment, MEMS micro fuel cell path was in closed condition.Along with extraneous intensity of illumination slowly weakens; The electric weight that the MEMS micro solar battery produces reduces gradually; Perhaps the increase causes voltage owing to external loading descends, when being reduced to a certain set point, and super low-power consumption programmable multifunctional power management chip and super low-power consumption microprocessor communication; Connect the MEMS micro fuel cell as power supply, system's output this moment and system self power supply are all provided by the MEMS micro fuel cell.When extraneous intensity of illumination met the demands once more, power supply converted the MEMS micro solar battery into by the MEMS micro fuel cell, successively circulation.When the both can not meet the demands, lack the liquid indicator light and light, related causes is searched in prompting.
The MEMS micro fuel cell in the course of the work, inside battery is because the electrolyte reaction can cause temperature raises, the performance of battery improves gradually, the performance that reaches 60 ℃ of batteries when temperature is best, temperature continues the rising performance and begins to descend.Place high sensitivity super low-power consumption temperature sensor LM75B near the MEMS micro fuel cell, the LED temperature indicator of super low-power consumption temperature sensor was lighted when temperature was higher than set point.
MEMS microsuper electric capacity can use under rated voltage in any parallel connection, but if needing to connect just can meet the demands, must consider it and all press problem.In addition, microsuper electric capacity is that the polarity device is arranged, and must be noted that the connection of its both positive and negative polarity in use.For fear of in use causing device failure, must design external balance protective circuit assist MEMS micro super capacitor unit co-operation because of operate miss.
Power management chip MAX1586B has the input of 2 road power supplys, the output of 7 road power supplys and over-voltage protecting function; Comprise the input of main power source and stand-by power supply, the output of 3 road DC/DC power supplys, the output of 3 route property stabilized voltage power supplys and one tunnel normal switch power supply output, the output of the two-way of comprising programmable voltage is wherein arranged.In order to reduce quiescent current, the main power supply of power management chip MAX1586B all has bypass " dormancy " LDO, when output current is very little, starts.In addition, this module can also be carried out the independently ON/OFF transformation of ownership, low battery voltages and low battery failure detects, resets and the ready output of power supply, reserce cell input with each power supply.According to the actual requirements, the power supply output of MAX1586B is selected to keep, and according to the power supply output that is kept; Reasonably design peripheral circuit; Remove unnecessary device as far as possible, reduce power loss to greatest extent, improve service behaviour; Make full use of the defencive function of self, avoid suffering the impact of outside too high voltages and cause device failure.
In a word, when the MEMS micro solar battery can satisfy power reguirements, the super low-power consumption microprocessor selected it in running order, was external loading and self system's power supply simultaneously.When it can not meet the demands, the super low-power consumption microprocessor was selected the power supply of MEMS micro fuel cell.Also can select correspondent voltage output according to different applications.When large power supply was gone in the outside misconnection of power module, output circuit was cut off in the protection module work of power management chip MAX1586B.Like this, just can guarantee that this operating time composite micro-energy system monocycle reaches maximum.
(1) according to the device layout of Fig. 1, can reach on the confined space and utilize at many levels, make the volume of this power module reach minimum.
(2) MEMS micro super capacitor unit is positioned between MEMS micro fuel cell and the electric power management circuit, can reduces temperature effectively the electric power management circuit Effect on Performance.
(3), adopt dust-proof type design heat radiation window, in time distribute heat and prevent the entering inside modules of dust to the little energy of heating such as MEMS micro fuel cell.
With the Multifunctional housing design of fine precision processing technology making composite micro-energy system power supply module, the design of power module heat radiation window, the layout type and the electric power management circuit design of inner each device of power module.
Claims (5)
1. MEMS composite micro-energy system power supply; It is characterized in that: comprise MEMS micro direct methanol fuel battery, MEMS micro solar battery, MEMS micro super capacitor unit, super low-power consumption temperature sensor LM75B, 8 AVR series microprocessor ATmega168p, power management chip MAX1586B and shells; Shell is a rectangular shape; MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are installed in enclosure; The MEMS micro direct methanol fuel battery is installed near shell right side sidewall, and super low-power consumption temperature sensor LM75B is close on the MEMS micro direct methanol fuel battery; The right side sidewall of shell is provided with the heat radiation window; The shell top was provided with liquid/scarce liquid LED light and liquid injection port; Liquid injection port is connected with the MEMS micro direct methanol fuel battery; The front of shell is provided with the standard output controller, and the left side sidewall of shell is provided with the standard output interface, and the MEMS micro solar battery is installed on the shell of top, MEMS micro super capacitor unit; The MEMS micro direct methanol fuel battery is connected with the main power source pin of power management chip MAX1586B; The MEMS micro solar battery is connected with the stand-by power supply pin of power management chip MAX1586B, and MEMS micro direct methanol fuel battery and MEMS micro super capacitor unit are connected in parallel, and power management chip MAX1586B is connected with the standard output controller; The standard output controller is connected with the standard output interface; Power management chip MAX1586B is connected with 8 AVR series microprocessor ATmega168p, 8 AVR series microprocessor ATmega168p respectively with cross liquid/lack the liquid LED light, super low-power consumption temperature sensor LM75B is connected, 8 AVR series microprocessor ATmega168p and power management chip MAX1586B are welded on the circuit board.
2. a kind of MEMS composite micro-energy system power supply as claimed in claim 1 is characterized in that, described super low-power consumption temperature sensor LM75B also is connected with the LED temperature indicator.
3. a kind of MEMS composite micro-energy system power supply as claimed in claim 1 is characterized in that described power management chip MAX1586B passes through I
2C bus and 8 AVR series microprocessor ATmega168p carry out data communication.
4. a kind of MEMS composite micro-energy system power supply as claimed in claim 1 is characterized in that, described MEMS micro direct methanol fuel battery is as main power supply, and the MEMS micro solar battery is as accessory power supply.
5. a kind of MEMS composite micro-energy system power supply as claimed in claim 1; It is characterized in that; Described MEMS micro super capacitor unit comprises 2 MEMS micro super capacitors and balance protective circuit; 2 MEMS micro super capacitors are connected in series, the balanced protection circuit with connect after 2 MEMS micro super capacitors be connected in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102280329A CN101894988B (en) | 2010-07-16 | 2010-07-16 | MEMS composite micro-energy system power supply |
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| CN2010102280329A CN101894988B (en) | 2010-07-16 | 2010-07-16 | MEMS composite micro-energy system power supply |
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| CN101894988A CN101894988A (en) | 2010-11-24 |
| CN101894988B true CN101894988B (en) | 2012-03-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102540916B (en) * | 2010-12-21 | 2016-04-06 | 新奥科技发展有限公司 | energy terminal chip |
| CN103943873B (en) * | 2014-05-19 | 2015-11-18 | 哈尔滨工业大学 | MEMS methanol recapitalization fuel cell system |
| CN106549479B (en) * | 2016-12-06 | 2019-02-26 | 东北大学 | A kind of compound energy system |
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| CN101436676A (en) * | 2008-11-28 | 2009-05-20 | 中国科学院上海微系统与信息技术研究所 | Flat-plate minitype direct alcohols fuel battery set and preparation method thereof |
| EP2132806A2 (en) * | 2007-03-30 | 2009-12-16 | The Regents of the University of Michigan | Deposited microarchitectured battery and manufacturing method |
| WO2010042594A1 (en) * | 2008-10-08 | 2010-04-15 | Infinite Power Solutions, Inc. | Environmentally-powered wireless sensor module |
| CN101325130B (en) * | 2008-05-22 | 2010-05-12 | 清华大学 | Poly-pyrrole minisize super capacitor based on MEMS technique and method for manufacturing the same |
| CN101030655B (en) * | 2007-04-04 | 2010-07-07 | 天津大学 | Micro-battery structure and its production |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6821666B2 (en) * | 2001-09-28 | 2004-11-23 | The Regents Of The Univerosity Of California | Method of forming a package for mems-based fuel cell |
| US7603144B2 (en) * | 2003-01-02 | 2009-10-13 | Cymbet Corporation | Active wireless tagging system on peel and stick substrate |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2132806A2 (en) * | 2007-03-30 | 2009-12-16 | The Regents of the University of Michigan | Deposited microarchitectured battery and manufacturing method |
| CN101030655B (en) * | 2007-04-04 | 2010-07-07 | 天津大学 | Micro-battery structure and its production |
| CN101325130B (en) * | 2008-05-22 | 2010-05-12 | 清华大学 | Poly-pyrrole minisize super capacitor based on MEMS technique and method for manufacturing the same |
| WO2010042594A1 (en) * | 2008-10-08 | 2010-04-15 | Infinite Power Solutions, Inc. | Environmentally-powered wireless sensor module |
| CN101436676A (en) * | 2008-11-28 | 2009-05-20 | 中国科学院上海微系统与信息技术研究所 | Flat-plate minitype direct alcohols fuel battery set and preparation method thereof |
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