CN101943677A - Blue green algae concentration monitoring system with microorganism fuel cell power supply - Google Patents
Blue green algae concentration monitoring system with microorganism fuel cell power supply Download PDFInfo
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- CN101943677A CN101943677A CN2010102736312A CN201010273631A CN101943677A CN 101943677 A CN101943677 A CN 101943677A CN 2010102736312 A CN2010102736312 A CN 2010102736312A CN 201010273631 A CN201010273631 A CN 201010273631A CN 101943677 A CN101943677 A CN 101943677A
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- green algae
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- fuel cell
- microbiological fuel
- algae concentration
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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
Abstract
The invention discloses a blue green algae concentration monitoring system with a microorganism fuel cell power supply. The system comprises a blue green algae microorganism fuel cell (1), a blue green algae concentration signal processing module (2) and a direct current-direct current conversion circuit (3) and is characterized in that: the blue green algae microorganism fuel cell (1) provides a blue green algae concentration signal VS for the blue green algae concentration signal processing module (2); the blue green algae microorganism fuel cell (1) is connected in parallel with the direct current-direct current conversion circuit (3); and the direct current-direct current conversion circuit (3) lifts a voltage VIN generated by the blue green algae microorganism fuel cell (1) and the lifted voltage serves as the working power supply voltage VOUT of the blue green algae concentration signal processing module (2). When used for monitoring blue green algae concentration, the system has the advantages of simple and convenient operation, low cost, capability of reading in time, no need of standby power supply, no need of adding any chemical substance, independence of sunshine and no adverse effect on the environment.
Description
Technical field
The invention belongs to blue-green algae concentration monitor technical field, be specifically related to a kind of blue-green algae concentration monitor system that carries the microbiological fuel cell power supply.
Background technology
Because entering of water herded in a large amount of sanitary sewages, industrial waste water, agricultural fishing, make most of water body suffer in various degree pollution.Urban water supply caused have a strong impact on.According to investigations, China has the drinking water source more than 90% to be polluted in 430 cities, causes the eutrophication of water body, causes economic loss to reach 37,700,000,000 yuan, and the obvious characteristics of eutrophication is exactly the excessive multiplication of algae, the contaminant water environment.In the face of the present situation of water body algae pollution, multiple improvement technology is used for the control of algae pollution.The effect that the situation of pre-monitoring water body algae pollution and evaluation are administered must possess technology and instrument that concentration of algae is measured earlier.At present the chlorophyll measuring method that reads the frustule number under the light microscopic and change according to light/electricity etc. is arranged for the measurement of concentration of algae.The measuring method of these existing concentration of algae and technology, existence need provide external power source, complicated operation, cost higher, deficiency such as can not in time read.
In recent years, about the research of microbiological fuel cell (MFC) bigger progress has been arranged, the ultimate principle of MFC produces biological power for utilizing microbial bacterial by living beings.The typical electrogenesis bacterium of having found at present has multiple microorganisms such as saccharomycete, Escherichia coli and Xi Washi spoilage organisms, and particularly relevant algae is as the existing report of the research of electrogenesis bacterium.Electricity generation ability and the concentration of algae relation of being proportionate of blue-green algae have been observed in based on the experiment of MFC principle the inventor, can set up concentration of algae-voltage curve by the voltage value of the corresponding generation of concentration of algae set with it, thereby constitute blue-green algae concentration monitor system based on the MFC principle, need not outer stand-by power source, need not to add chemical substance, environment is had no adverse effect, do not rely on sunlight etc., realize the measurement of blue-green algae concentration.
Correlative study shows that microorganism such as blue-green algae has electricity generation ability in MFC, but the voltage that it produced (VS in the accompanying drawing) lower (single-unit MFC only produces the voltage of 0.2～0.8V usually) can not use its power supply as monitoring system.Thereby, when the lake blue algae concentration monitor, all be required to be monitoring system and be equipped with power supply facilities (as line of electric force, battery etc.), provide power autonomous though have technology such as sun power for monitoring system, but at no sunlight is still to need accumulator that power supply is provided, and complex structure, cost height, operation and maintenance are loaded down with trivial details.
The present invention is based on the research of microbiological fuel cell, in line with all deficiencies that solve prior art monitoring water body algae pollution system.
Summary of the invention
The object of the invention is to provide a kind of blue-green algae concentration monitor system that carries the microbiological fuel cell power supply, solved that monitoring system in the prior art can not self-supporting power needs external power supply or with the deficiency of chemical storage batteries.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of blue-green algae concentration monitor system that carries the microbiological fuel cell power supply, comprise blue-green algae microbiological fuel cell, blue-green algae concentration signal processing module and DC-DC transfer circuit, it is characterized in that described blue-green algae microbiological fuel cell provides blue-green algae concentration signal V to blue-green algae concentration signal processing module
SThe described blue-green algae microbiological fuel cell DC-DC transfer circuit that is connected in parallel, the voltage V that the blue-green algae microbiological fuel cell is produced by DC-DC transfer circuit
INThe working power voltage V of back as blue-green algae concentration signal processing module boosts
OUTPreferably, described blue-green algae microbiological fuel cell comprises the anode chamber that communicates with the algae-containing water body and charges the cathode chamber of conductive liquid that the described positive and negative utmost point is separated by amberplex between the chamber.
This blue-green algae concentration monitor system that carries the microbiological fuel cell power supply is based on microbiological fuel cell (MFC) principle, comprise blue-green algae microbiological fuel cell, blue-green algae concentration signal processing module and DC-DC transfer circuit, described blue-green algae microbiological fuel cell and blue-green algae concentration signal processing module are direct-connected to provide blue-green algae concentration signal V to blue-green algae concentration signal processing module
SAnd described blue-green algae microbiological fuel cell is by the DC-DC transfer circuit blue-green algae concentration signal processing module that is connected in parallel, the voltage V that the blue-green algae microbiological fuel cell is produced by DC-DC transfer circuit
INThe suitable operating voltage V of back as blue-green algae concentration signal processing module boosts
OUT
Preferably, the open anode chamber of described anode chamber for communicating with lake algae-containing water body.
Preferably, the anode electrode that contacts with the algae-containing water body is set in the described anode chamber, in the described cathode chamber cathode electrode is set; The feed circuit that are connected in parallel blue-green algae concentration signal processing module and boost by DC transfer circuit between described positive and negative utmost point electrode, described feed circuit are connected with blue-green algae concentration signal processing module provides blue-green algae concentration signal processing module electric energy.
Preferably, described positive and negative utmost point electrode is selected from carbon cloth electrode, carbon felt electrode, metal electrode, graphite electrode respectively.
Preferably, described conductive liquid is selected the lake Yuan Shui behind NaCl solution, the filtering blue-green algae for use.
Preferably, described DC transfer circuit is a boost conversion circuit.
The inventor has the characteristic of electricity generation ability in MFC based on blue-green algae, in the blue-green algae concentration monitor, with blue-green algae microbiological fuel cell be connected in parallel blue-green algae concentration signal processing module and DC transfer circuit, provide voltage signal V with the blue-green algae concentration relation of being proportionate to blue-green algae concentration signal processing module on the one hand
S, the lower voltage V that it produced on the other hand
INAfter DC transfer circuit is boosted as the suitable operating voltage V of blue-green algae concentration signal processing module
OUT
The blue-green algae concentration monitor system that carries the microbiological fuel cell power supply of the present invention, have easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, environment is had no adverse effect, do not rely on advantages such as sunlight.
The present invention carries the blue-green algae concentration monitor system of microbiological fuel cell power supply, this system is based on microbiological fuel cell (MFC) principle, by anode electrode, be positioned at amberplex, the cathode electrode between anode and cathode electrode, the cathode chamber that charges conductive liquid, blue-green algae concentration signal processing module and DC-DC transfer circuit and form.The open anode chamber of anode chamber for communicating with lake algae-containing water body.Anode electrode can be made of carbon cloth, carbon felt, metal or other conductive materials.Cathode electrode can be made of carbon cloth, carbon felt, metal or other conductive materials.Charge the conductive liquid that charges in the cathode chamber of conductive liquid, can constitute by the former water in lake and other electrolytic solution behind NaCl solution, the filtering blue-green algae.
The present invention finds through the MFC that studies for a long period of time, electricity generation ability of blue-green algae and the concentration of algae relation of being proportionate, can set up concentration of algae-voltage curve by the voltage value of the corresponding generation of concentration of algae set, thereby formation is based on the blue-green algae concentration signal processing module of MFC principle with it.Because microorganisms such as blue-green algae have electricity generation ability in MFC, but the voltage that it produced lower (single-unit MFC only produces the voltage of 0.2～0.8V usually) can not use its power supply as monitoring system.Thereby, when the lake blue algae concentration monitor, all be required to be monitoring system and be equipped with power supply facilities (as line of electric force, battery etc.), provide power autonomous though have technology such as sun power for monitoring system, but when no sunlight, still need accumulator that power supply is provided, and complex structure, cost height, operation and maintenance are loaded down with trivial details.The inventor has the characteristic of electricity generation ability in MFC based on blue-green algae, in the blue-green algae concentration monitor, 0.2～0.8V low voltage of its output is boosted to the voltage of 3～5V by DC-DC transfer circuit, for the circuit in the monitoring system provides suitable working power, need not outer stand-by power source and sunlight, realize the lake blue algae concentration monitoring.Blue-green algae concentration monitor of the present invention like this system need not outer stand-by power source, need not to add chemical substance, does not rely on sunlight etc., realizes the measurement of blue-green algae concentration.
With respect to scheme of the prior art, advantage of the present invention is:
The blue-green algae concentration monitor system that carries the microbiological fuel cell power supply of the present invention, have easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, do not rely on sunlight, to advantages such as environment have no adverse effect, can be applicable to the lake blue algae concentration monitoring, belong to environmental technology field.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 carries the synoptic diagram of the blue-green algae concentration monitor system of microbiological fuel cell power supply for the embodiment of the invention.
Wherein: 1 is the blue-green algae microbiological fuel cell; 2 is blue-green algae concentration signal processing module; 3 is the DC-DC translation circuit;
11 is the open anode chamber that communicates with lake algae-containing water body, and 15 for charging the cathode chamber of conductive liquid; 12 is anode electrode; 14 is cathode electrode, and 13 is amberplex.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment as shown in Figure 1, this carries the blue-green algae concentration monitor system of microbiological fuel cell power supply, based on microbiological fuel cell (MFC) principle, comprise blue-green algae microbiological fuel cell 1, blue-green algae concentration signal processing module 2 and DC-DC transfer circuit 3, described blue-green algae microbiological fuel cell 1 provides blue-green algae concentration signal V to blue-green algae concentration signal processing module 2
SDescribed blue-green algae microbiological fuel cell 1 DC-DC transfer circuit 3 that is connected in parallel, the voltage V that blue-green algae microbiological fuel cell 1 is produced by DC-DC transfer circuit 3
INThe working power voltage V of back as blue-green algae concentration signal processing module 2 boosts
OUT
Blue-green algae microbiological fuel cell 1 comprises anode chamber 11 that communicates with the algae-containing water body and the cathode chamber 15 that charges conductive liquid, and 11,15 of described positive and negative utmost point chambers are passed through amberplex 13 and separated.The open anode chamber of described anode chamber 11 for communicating with lake algae-containing water body.In the described anode chamber 11 anode electrode 12 that contacts with the algae-containing water body is set, in the described cathode chamber 15 cathode electrode 14 is set; 12,14 feed circuit that are connected in parallel blue-green algae concentration signal processing module 2 and boost by DC-DC transfer circuit 3 of described positive and negative utmost point electrode, described feed circuit are connected with blue-green algae concentration signal processing module 2 provides blue-green algae concentration signal processing module 2 electric energy.Described positive and negative utmost point electrode 12,14 is selected graphite electrode for use.Described conductive liquid is selected NaCl solution for use.Described DC-DC transfer circuit 3 is a boost conversion circuit.
In this microbiological fuel cell (MFC), utilize the electricity generation ability of blue-green algae and the characteristic of the concentration of algae relation of being proportionate that the concentration of algae in the lake is converted to corresponding electrical quantity, contrast can be read the concentration of algae of blue-green algae liquid to be measured by blue-green algae concentration-voltage control curve that experiment obtains; Simultaneously, 0.2～0.8V low voltage (V among Fig. 1 of this microbiological fuel cell (MFC) generation
IN) boost to the voltage (V among Fig. 1 of 3～5V by the DC-DC translation circuit
OUT), for the circuit in the monitoring system provides suitable working power.This system can carry out the blue-green algae concentration monitoring in the lake, and is easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, do not rely on sunlight, environment is had no adverse effect.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. blue-green algae concentration monitor system that carries the microbiological fuel cell power supply, comprise blue-green algae microbiological fuel cell (1), blue-green algae concentration signal processing module (2) and DC-DC transfer circuit (3), it is characterized in that described blue-green algae microbiological fuel cell (1) provides blue-green algae concentration signal V to blue-green algae concentration signal processing module (2)
SDescribed blue-green algae microbiological fuel cell (1) DC-DC transfer circuit (3) that is connected in parallel, the voltage V that blue-green algae microbiological fuel cell (1) is produced by DC-DC transfer circuit (3)
INThe working power voltage V of back as blue-green algae concentration signal processing module (2) boosts
OUT
2. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 1, it is characterized in that described blue-green algae microbiological fuel cell (1) comprises anode chamber (11) that communicates with the algae-containing water body and the cathode chamber (15) that charges conductive liquid, separate by amberplex (13) between described positive and negative utmost point chamber (11,15).
3. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that the open anode chamber of described anode chamber (11) for communicating with lake algae-containing water body.
4. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that the anode electrode (12) that contacts with the algae-containing water body is set in the described anode chamber (11), and cathode electrode (14) is set in the described cathode chamber (15); The feed circuit that are connected in parallel blue-green algae concentration signal processing module (2) and boost by DC-DC transfer circuit (3) between described positive and negative utmost point electrode (12,14), described feed circuit are connected with blue-green algae concentration signal processing module (2) provides blue-green algae concentration signal processing module (2) electric energy.
5. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that described positive and negative utmost point electrode (12,14) is selected from carbon cloth electrode, carbon felt electrode, metal electrode, graphite electrode respectively.
6. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that the lake Yuan Shui after described conductive liquid is selected NaCl solution, filtering blue-green algae for use.
7. the blue-green algae concentration monitor system that carries the microbiological fuel cell power supply according to claim 1 is characterized in that described DC-DC transfer circuit (3) is a boost conversion circuit.
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| CN2010102736312A CN101943677B (en) | 2010-09-07 | 2010-09-07 | Blue green algae concentration monitoring system with microorganism fuel cell power supply |
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| CN2010102736312A CN101943677B (en) | 2010-09-07 | 2010-09-07 | Blue green algae concentration monitoring system with microorganism fuel cell power supply |
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| CN101943677B CN101943677B (en) | 2013-01-09 |
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Cited By (2)
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| CN101975809A (en) * | 2010-10-22 | 2011-02-16 | 东南大学 | Blue-green algae concentration sensor |
| CN103427101A (en) * | 2012-05-22 | 2013-12-04 | 北京大学深圳研究生院 | Method for generating electric power from waste water by utilization of microbial fuel cell and for boosting voltage and storing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103427101A (en) * | 2012-05-22 | 2013-12-04 | 北京大学深圳研究生院 | Method for generating electric power from waste water by utilization of microbial fuel cell and for boosting voltage and storing |
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| CN101943677B (en) | 2013-01-09 |
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