CN202434640U - Power source used for self power supply at outdoors - Google Patents
Power source used for self power supply at outdoors Download PDFInfo
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- CN202434640U CN202434640U CN2011205248490U CN201120524849U CN202434640U CN 202434640 U CN202434640 U CN 202434640U CN 2011205248490 U CN2011205248490 U CN 2011205248490U CN 201120524849 U CN201120524849 U CN 201120524849U CN 202434640 U CN202434640 U CN 202434640U
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- smfc
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- fuel cell
- storage unit
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a power source used for self power supply at outdoors. The power source is characterized in that the power source comprises an SMFC (Sediment Microbial Fuel Cell) and an SMFC power source management system which comprises an electric power storage unit, a control unit and a voltage boosting and regulating unit. The input end of the electric power storage unit is connected with the SMFC to store the output electric power of the SMFC; the input end of the voltage boosting and regulating unit is connected with the electric power storage unit to boost and regulate the voltage so that the voltage and current outputted by the output end of the voltage boosting and regulating unit can satisfy the working requirements of an electronic appliance; and the control unit is connected with the electric power storage unit and the voltage boosting and regulating unit to control the operation of the voltage boosting and regulating unit. The power source effectively collects and makes use of the weak electric power outputted by SMFCs. Therefore, the bottleneck problem restricting the practical application of the SMFCs is solved.
Description
Technical field
The utility model belongs to new forms of energy and field of environment engineering, is specifically related to a kind of open-air self-powered power supply that is used for.
Background technology
Along with the continuous aggravation of global energy shortage and environmental pollution, energy and environment have become two big factors of restriction human social development, realize the coordinated development of energy and environment, just can realize human social.(Microbial Fuel Cell is to utilize microbe as biocatalyst the chemical energy of fuel (organic substance) to be converted into the device of electric energy MFC) to microbiological fuel cell, is one type of desirable novel clean energy resource.(Proton Exchange Membrane, PEM) form by 3 parts by anode chamber, cathode chamber and PEM for traditional M FC.But PEM can obviously improve the internal resistance of battery, and the PEM price is more expensive in addition, has increased the cost of MFC, is unfavorable for practice.
(Sediment Microbial Fuel Cell SMFC) is a kind of typical no film MFC to the deposit microbiological fuel cell.SMFC is simple in structure, and construction cost is very cheap; Need not safeguard in the running, not influenced by external conditions such as illumination, can export electric energy under the lowered in field environment lastingly, particularly the self powered supply field has broad application prospects in the open air.But SMFC output electric energy is faint, and output voltage is low, and open circuit voltage is generally 600mV; Output current is also low excessively.And negative and positive the two poles of the earth of SMFC are in the same natural water in the actual environment, can't adopt the mode that is connected in series to improve output voltage.The simple SMFC size that strengthens can not significantly improve power output.And general electronic device needs the 1.5V operating voltage at least; Main is that the SMFC power output is much smaller than general electronic device power consumption; Can not directly supply power with SMFC to electronic device, thus the practical application of SMFC restricted, so that can't utilize this occurring in nature to contain abundant faint energy.How to utilize the faint electric energy of SMFC output to become the bottleneck problem that SMFC moves towards practical application.
The utility model content
The utility model purpose: the purpose of the utility model is the deficiency to prior art, and a kind of faint electric energy that can effectively utilize SMFC output is provided, and SMFC is used for open-air self-powered power supply as power supply.
Technical scheme: the utility model is described to be used for open-air self-powered power supply, comprises SMFC and SMFC power-supply management system, and said SMFC power-supply management system comprises energy storage unit, control unit and boosts and voltage regulation unit; Being connected of the input of said energy storage unit, be used to store the output electric energy of SMFC with said SMFC; Said boosting is connected with said energy storage unit with the input of voltage regulation unit, is used to accomplish boosting and voltage stabilizing of voltage, makes the voltage, the electric current that boost with the output of the output of voltage regulation unit satisfy the electronic device job requirement; Said control unit is with energy storage unit and boost and be connected with voltage regulation unit, is used for control and boosts and voltage regulation unit work.
The said concrete course of work of boosting with voltage regulation unit is: the faint electric energy of collecting SMFC output through the energy storage unit of SMFC power-supply management system; After collecting to a certain degree electric energy; Control unit lets and boosts and voltage regulation unit is started working, and makes output voltage and electric current can both satisfy the job requirement of electronic device.Said boost and the voltage of voltage regulation unit output can be regulated; The said voltage that boosts with voltage regulation unit output can be adjusted to 3V, 3.3V, 3.6V, 5V etc.
Said SMFC comprises anode electrode, cathode electrode and connects the external wire of yin, yang two electrodes that said anode electrode and cathode electrode are electric conducting material; Said electric conducting material can be carbon fiber class material, graphite type material or stainless steel material.
The surface of said cathode electrode is loaded with platinum, and iron, Mn oxide or cobalt compound are used to improve the SMFC electricity generation performance as catalyst.
Said external wire can be titanium lead or copper conductor, and the tie point of said external wire and anode electrode, cathode electrode carries out insulated enclosure to be handled.
The utility model compared with prior art; Its beneficial effect is: SMFC is applicable to wild environments such as rivers, lake, ocean, marsh, wetland, underground water supply and drainage pipe network, and electrogenesis does not receive environmental impacts such as illumination lastingly; The faint electric energy of wild environment deposit thing microbiological fuel cell (SMFC) output is effectively collected and utilized to the utility model; Can SMFC be supplied power to electronic device as power supply in the open air, extensively utilize occurring in nature to contain abundant faint energy, solve the bottleneck problem that restriction SMFC carries out practical application; A kind of environmental protection, renewable, resourceful novel power supply are provided; But its application places is extremely extensive simultaneously, and there is broad prospect of application in the self powered supply field in the open air, has huge actual application value.
Description of drawings
Fig. 1 is a deposit microbiological fuel cell structural representation in the utility model; Wherein, 11-anode electrode; The 12-cathode electrode; 13-connects the external wire at yin, yang the two poles of the earth.
Fig. 2 is the utility model power supply sketch map; Wherein, 1 deposit microbiological fuel cell, 2 energy storage units; 3 control units; 4 boost and voltage regulation unit, 5 outer loads.
Fig. 3 is deposit microbiological fuel cell polarization curve and the power curve that makes up in the utility model.
Fig. 4 is the output voltage of the utility model power supply when giving white light LEDs (operating voltage 3V) power supply.
Embodiment
Be elaborated in the face of the utility model technical scheme down, but the protection range of the utility model is not limited to said embodiment.
Embodiment 1: like Fig. 1, shown in 2, a kind ofly be used for open-air self-powered power supply, (Sediment Microbial Fuel Cell is SMFC) with the SMFC power-supply management system to comprise the deposit microbiological fuel cell;
Said SMFC comprises anode electrode, cathode electrode and connects the external wire of yin, yang two electrodes that said anode electrode and cathode electrode are electric conducting material.Said SMFC power-supply management system comprises energy storage unit, control unit and boosts and voltage regulation unit that being connected with said SMFC of the input of said energy storage unit is used to store the output electric energy of SMFC; Said boosting is connected with said energy storage unit with the input of voltage regulation unit, is used to accomplish boosting and voltage stabilizing of voltage, makes the voltage, the electric current that boost with the output of the output of voltage regulation unit satisfy the electronic device job requirement; Said control unit is with energy storage unit and boost and be connected with voltage regulation unit, is used for control and boosts and voltage regulation unit work.
The course of work is following: deposit microbiological fuel cell (SMFC) anode microbe is that substrate carries out metabolism with organic substance in the deposit; Produce electronics and proton in the metabolic process; Electronics arrives negative electrode through anode, external wire and external circuit, forms path and produces weak current.And proton transfer arrives negative electrode, and as electron acceptor, proton and oxygen reaction generate water to negative electrode with oxygen.Energy storage unit through the SMFC power-supply management system is collected the faint electric energy of SMFC output, and after collecting to a certain degree electric energy, control unit lets and boosts and voltage regulation unit is started working, and makes output voltage and electric current can both satisfy the job requirement of electronic device.
Embodiment 2:SMFC supplies power to white light LEDs
SMFC negative and positive the two poles of the earth material of the structure in this instance is the carbon felt, and annode area is 150cm
2, cathode area is 200cm
2, external wire adopts the insulated copper silk thread, does not have and safeguards down lasting operation 15 months.
With the outer load of resistance simulation, and change different resistance resistance in the polarization experiment, survey SMFC output voltage when connecing different resistance respectively, calculate SMFC output current, power output under different resistance conditions then.Last is abscissa with the output current under the different resistance conditions, is that ordinate can be retouched out polarization curve and power curve respectively with SMFC output voltage, the SMFC power output of correspondence.Like figure-3, the SMFC in this instance is 0.22mA at output current, and output voltage is 423mV, reaches peak power output 89uW that all (about 2～5mA 3V), can't light white light LEDs much smaller than the load white light LEDs for its output current, voltage.After increasing the SMFC power-supply management system; SMFC supplies power to white light LEDs through the SMFC power-supply management system; Early stage, energy storage unit was collected the faint electric energy of SMFC output earlier, discharged higher electric energy then in short-term, accomplished simultaneously and boosted and voltage stabilizing; Output voltage can maintain 3V (like Fig. 4), can periodically light white light LEDs.
As stated, although represented and explained the utility model that with reference to specific preferred embodiment it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the utility model that does not break away from the accompanying claims definition, can make various variations in form with on the details to it.
Claims (5)
1. one kind is used for open-air self-powered power supply; It is characterized in that; Comprise deposit microbiological fuel cell and deposit microbiological fuel cell power-supply management system, said deposit microbiological fuel cell power-supply management system comprises energy storage unit, control unit and boosts and voltage regulation unit; Being connected of the input of said energy storage unit, be used to store the output electric energy of deposit microbiological fuel cell with said deposit microbiological fuel cell; Said boosting is connected with said energy storage unit with the input of voltage regulation unit, is used to accomplish boosting and voltage stabilizing of voltage, makes the voltage, the electric current that boost with the output of the output of voltage regulation unit satisfy the electronic device job requirement; Said control unit is with energy storage unit and boost and be connected with voltage regulation unit, is used for control and boosts and voltage regulation unit work.
2. according to claim 1ly be used for open-air self-powered power supply; It is characterized in that; Said deposit microbiological fuel cell comprises anode electrode, cathode electrode and connects the external wire of yin, yang two electrodes that said anode electrode and cathode electrode are electric conducting material.
3. according to claim 2ly be used for open-air self-powered power supply, it is characterized in that said electric conducting material is carbon fiber class material, graphite type material or stainless steel material.
4. according to claim 2ly be used for open-air self-powered power supply, it is characterized in that the surface of said cathode electrode is loaded with platinum, iron, Mn oxide or cobalt compound as catalyst.
5. according to claim 2ly be used for open-air self-powered power supply, it is characterized in that said external wire is titanium lead or copper conductor, the tie point of said external wire and anode electrode, cathode electrode carries out insulated enclosure to be handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205248490U CN202434640U (en) | 2011-12-15 | 2011-12-15 | Power source used for self power supply at outdoors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205248490U CN202434640U (en) | 2011-12-15 | 2011-12-15 | Power source used for self power supply at outdoors |
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| Publication Number | Publication Date |
|---|---|
| CN202434640U true CN202434640U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205248490U Expired - Fee Related CN202434640U (en) | 2011-12-15 | 2011-12-15 | Power source used for self power supply at outdoors |
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| CN (1) | CN202434640U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522578A (en) * | 2011-12-15 | 2012-06-27 | 东南大学 | Power source for field self-power supply |
| CN110124197A (en) * | 2019-04-13 | 2019-08-16 | 张海军 | A kind of power supply of biological fuel cell without conducting wire pacemaker |
| CN114122474A (en) * | 2021-11-25 | 2022-03-01 | 东南大学 | Deposit microbial fuel cell self-sustaining power management system capable of wireless communication |
-
2011
- 2011-12-15 CN CN2011205248490U patent/CN202434640U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522578A (en) * | 2011-12-15 | 2012-06-27 | 东南大学 | Power source for field self-power supply |
| CN110124197A (en) * | 2019-04-13 | 2019-08-16 | 张海军 | A kind of power supply of biological fuel cell without conducting wire pacemaker |
| CN114122474A (en) * | 2021-11-25 | 2022-03-01 | 东南大学 | Deposit microbial fuel cell self-sustaining power management system capable of wireless communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20141215 |
|
| EXPY | Termination of patent right or utility model |