CN109824127A - The system and its application method of Electro Sorb desalination are carried out using photovoltaic energy - Google Patents
The system and its application method of Electro Sorb desalination are carried out using photovoltaic energy Download PDFInfo
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- CN109824127A CN109824127A CN201910132542.7A CN201910132542A CN109824127A CN 109824127 A CN109824127 A CN 109824127A CN 201910132542 A CN201910132542 A CN 201910132542A CN 109824127 A CN109824127 A CN 109824127A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The present invention relates to a kind of systems and its application method that Electro Sorb desalination is carried out using photovoltaic energy, belong to power converter technical field.The present invention includes salting out tank group, MPPT module, two-way DC/DC converter and control module, wherein salting out tank group is made of several saltings out tank, and each salting out tank includes several electrodes parallel with one another;Salting out tank offers the water inlet for introducing seawater, the water outlet for drawing dilute concentrate water, and water outlet is equipped with conductivity meter;The MPPT module being connected with photovoltaic panel is respectively connected to electrode and two-way DC/DC converter, and electrode is connected to the battery by two-way DC/DC converter;Control module is separately connected the conductivity signal output end of conductivity meter, the output end of MPPT module, the output end of two-way DC/DC converter and the valve of water outlet and water inlet.The present invention solves the problem of the high regeneration for solving salting out tank electrode of current Electro Sorb desalination process energy consumption and the recycling of desalination energy.
Description
Technical field
The present invention relates to a kind of systems and its application method that Electro Sorb desalination is carried out using photovoltaic energy, belong to electric power change
Change technical field.
Background technique
The sea water desalination desalination technology most important but current for the shortage of water resources for solving China coast city
There are reverse osmosis membranes it is at high cost, service life is low and contamination resistance is limited the disadvantages of, in contrast, capacitance method sea water desalination skill
Art can effectively overcome disadvantage mentioned above, but the critical issue for restricting the technology at present is the disadvantages such as its energy consumption is higher, and production capacity is low.
Summary of the invention
For the higher disadvantage of the current energy consumption of capacitance method sea water desalination, carried out the invention proposes a kind of using photovoltaic energy
The system and its application method of Electro Sorb desalination will store up on the basis of the energy of sea water desalination is derived from luminous energy in desalination processes
There are the energy regeneratings in salting out tank, and overall energy consumption is further decreased into battery.
The system of the present invention for carrying out Electro Sorb desalination using photovoltaic energy, including it is salting out tank group, MPPT module, double
To DC/DC converter and control module, wherein salting out tank group is made of several saltings out tank, and each salting out tank includes several
Electrode parallel with one another;Salting out tank offers the water inlet for introducing seawater, the water outlet for drawing dilute concentrate water, water outlet peace
Equipped with conductivity meter;The MPPT module being connected with photovoltaic panel is respectively connected to electrode and two-way DC/DC converter, and electrode passes through double
It is connected to the battery to DC/DC converter;Control module is separately connected the conductivity signal output end of conductivity meter, MPPT module
Output end, the output end of two-way DC/DC converter and the valve of water outlet and water inlet.
Preferably, the salting out tank group is connected in series by several saltings out tank, is disposed with inside each salting out tank several
Vertical electrode placed side by side, several electrode anodes and the setting of cathode interval, in the electrode of anode, in the electrode difference list of cathode
Solely it is connected and constitutes anode, cathode.
Preferably, the seawater that the water inlet flows into successively passes through the top of the electrode of the leftmost side in salting out tank, in electricity
It is flowed downward under the blocking of pole, the bottom of the adjacent electrode in right side is flowed into via the electrode base of the leftmost side, until the rightmost side
Electrode base, and be discharged by water outlet;Seawater is wave-shaped forward in salting out tank.
Preferably, the charged particle for the seawater that the water inlet flows under the action of extra electric field to electrode transfer simultaneously
By electrode adsorption and desorption, fresh water is obtained by water outlet;When electrode is saturated, the charged particle being adsorbed falls off from electrode,
Concentrated water is discharged by water outlet.
Preferably, the output end of the photovoltaic panel is connect with the input terminal of MPPT module, defeated for providing to MPPT module
Enter voltage;MPPT module output end is connect with electrode and control module;For obtaining the output voltage signal of MPPT module and defeated
MPPT algorithm operation is carried out after current signal out and obtains the control amount of MPPT module, so that photovoltaic panel reaches peak power output.
Preferably, general power needed for the output end output general power of the photovoltaic panel is greater than electrode desalination, photovoltaic panel
Output end passes sequentially through the input terminal connection of MPPT module, two-way DC/DC converter and battery;The output end of photovoltaic panel exports
General power needed for general power is less than electrode desalination, the output end of battery pass sequentially through two-way DC/DC converter, MPPT module
It is connect with electrode.
Preferably, the electrode material includes active carbon, charcoal-aero gel, carbon nanotube.
Preferably, the MPPT module, two-way DC/DC converter input/output terminal be provided with voltage, current detecting
Module.
The application method of the system of the present invention that Electro Sorb desalination is carried out using photovoltaic energy, is included the following steps:
Step 1: control module acquires the conductivity signal of salting out tank group water outlet conductivity meter, passes through the electricity detected
Conductance signal judges water flow concentration;
Situation one: if it is determined that the water flow of salting out tank group discharge is seawater, then two are entered step;
Situation two: if it is determined that the water flow of salting out tank group discharge is concentrated water, then opening water outlet valve gate discharge and walk concentrated water, and
New seawater is introduced by water inlet, again the judgement of step 1;
Situation three: it if it is determined that the water flow of salting out tank group discharge is fresh water, then opens outlet valve and collects fresh water, and lead to
It crosses water inlet and introduces new seawater, the again judgement of step 1;
Step 2: control module acquires the electrode voltage signal in salting out tank group, judges whether to recycle by voltage signal
The energy of salting out tank group;
Situation one: if it is determined that the electrode in salting out tank group does not have voltage, then continue the output general power for judging photovoltaic panel
Meet desalination needs, three are entered step when meeting;
Situation two: if it is determined that the electrode in salting out tank group has voltage, then start two-way DC/DC converter, by salting out tank
The energy stores of group are into battery, the judgement of step 1 again;
Step 3: starting the Maximum Power Output desalination of MPPT module, and by each loop current of control module real-time detection,
Voltage and conductivity signal close MPPT module when the charged particle on electrode is saturated;Continue to repeat step 1, until
Desalination terminates.
Preferably, in the step 1, when the detection signal of conductivity is within the scope of the conductance of seawater, and light is detected
When volt plate has enough energy output, control module exports pwm control signal, controls MPPT module with according to collected photovoltaic panel
Voltage and current signal carries out MPPT operation, starts to carry out desalination;If the energy of photovoltaic panel output is greater than what salting out tank group needed
Energy, so much remaining energy are stored in battery by two-way DC/DC converter, if the energy of photovoltaic panel output is less than
Energy needed for salting out tank group, the energy being stored in battery originally are supplied to salting out tank group by two-way DC/DC converter
Desalination, after the completion of desalination, fresh water discharge salting out tank group, which is stored, introduces new seawater wait be further processed, and is become by two-way DC/DC
Energy is recovered in battery by parallel operation, and seawater becomes concentrated water at this time, and new seawater is introduced after discharge, repeats desalination.
The beneficial effects of the present invention are: of the present invention carry out the system of Electro Sorb desalination using photovoltaic energy and its make
It is that main desalination energy solves the problems, such as that current Electro Sorb desalination process energy consumption is high using solar energy with method;It designs two-way
DC/DC circuit solves the regeneration of salting out tank electrode and the recycling of desalination energy;Desalination processes of the invention can direct root
It puts into practical desalinator and applies according to actual conditions, entire desalination processes hardly need artificial participation, can be
System production;Circuit structure of the present invention is simple, easy to accomplish, low in energy consumption, energy conservation and environmental protection, does not generate polluter, electrode
Concentrated water after regeneration can go back to sea with direct emission.
Detailed description of the invention
Fig. 1 is desalination system overall schematic of the invention.
Fig. 2 is the structural schematic diagram of salting out tank group of the invention.
Fig. 3 is MPPT module circuit diagram of the invention.
Fig. 4 is two-way DC/DC converter figure of the invention.
Fig. 5 is the driving circuit figure of metal-oxide-semiconductor of the invention.
Fig. 6 is voltage detection module circuit diagram of the invention.
Fig. 7 is current detection module circuit diagram of the invention.
Fig. 8 is flow diagram of the invention.
In figure: 1, control module;2, MPPT module;3, photovoltaic panel;4, two-way DC/DC converter;5, battery;6, desalination
Slot;7, electrode;8, conductivity meter;9, water inlet;10, water outlet.
Specific embodiment
In order to which the object of the invention, technical solution is more clearly understood, below with reference to embodiment, the present invention is made further
It is described in detail.
Embodiment 1:
As shown in Figures 1 to 7, the system and method for the present invention that Electro Sorb desalination is carried out using photovoltaic energy,
For the higher disadvantage of the current energy consumption of capacitance method sea water desalination, the present invention is derived from the base of luminous energy in the energy of main sea water desalination
On plinth, it will be stored in the energy regenerating in salting out tank 6 in desalination processes into battery 5, further decrease overall energy consumption.
As shown in Figure 1, the system and method schematic diagram of the present invention that Electro Sorb desalination is carried out using photovoltaic energy,
Including following part: salting out tank group, MPPT module 2, two-way DC/DC converter 4, driving and signal conditioning circuit etc..
Salting out tank group: single salting out tank 6 can be made 7 parallel connection of multiple electrodes, increases adsorption area and then increases salting out tank 6
The effect of capacitance, since single 6 monomer voltage of salting out tank is no more than 3V (excessively high to cause water electrolysis), so increasing end electricity
The mode of pressure is the multiple saltings out tank 6 of series connection.In actual application, structure as shown below can be made, specific size can
To do according to actual needs.Salting out tank group model as shown in Figure 2.
Capacitance method desalination principle: salting out tank 6 is equivalent to a capacitor, and desalination processes are the mistake to charge to salting out tank 6
Journey carries out the absorption of ion and following for desorption when seawater between the circulated capacitor pole plate with bulky capacitor from when flowing through on pole plate
Ring process, to realize the desalination of seawater.In charging (absorption) stage of capacitor, the charged particle in material liquid is powered on outside
It migrates, is then adsorbed by pole plate, to obtain fresh water to pole plate respectively under the action of.When pole plate reaches adsorption saturation or approaches
When adsorption saturation, the electric energy of pole plate is recovered in battery by two-way DC/DC converter, make the charged particle being adsorbed from
It falls off on pole plate, and is discharged by seawater flushing, to realize the regeneration of pole plate.Then capacitor enters back into next recharge-discharge
Cyclic process.
If necessary to increase end voltage, more than 6 series connection of salting out tank in upper figure can be ground currently used for capacitance method desalination
The materials such as the active charcoal of 7 material of electrode, charcoal-aero gel, the carbon nanotube studied carefully.
MPPT module 2: MPPT maximum power point tracking (MPPT, Maximum Power Point Tracking), herein for by
The DC/DC converter of MPPT algorithm control, converter use Boost circuit, are controlled by conventional MPPT algorithm.Such as Fig. 3 institute
The Boost circuit stated is the main circuit of MPPT module 2, is a slightly improved classical Boost circuit, the position of script V2
It is a diode, is substituted herein with a metal-oxide-semiconductor, the energy consumption before reducing on the diode, and metal-oxide-semiconductor is utilized to replace electricity
Rectifier diode in road, pressure drop when being opened due to metal-oxide-semiconductor on metal-oxide-semiconductor is relatively low, can significantly improve the efficiency of power supply,
C1 is filter capacitor, and C2 is storage capacitor, and VD is diode, and L is inductance, and V is switching tube (MOS), additionally to have electric current and
Voltage detecting circuit, measuring signal input control chip carry out MPPT operation, and operation result changes through driving circuit to switching tube V
Becoming output voltage (will wherein be added output voltage limiting element, preventing output voltage is more than the electricity that desalination allows in MPPT algorithm
Pressure).
Two-way DC/DC converter 4: since two-way 4 both sides of DC/DC converter all can serve as power supply or load, in reality
In the application of border, most of scene is able to satisfy using the DC/DC converter of two-way lifting press.So herein using Buck with
The cascade mode of Boost circuit replaces diode to reach energy in bidirectional flow and metal-oxide-semiconductor synchronous rectification, thus using metal-oxide-semiconductor
Two-way DC/DC converter 4 is obtained, this circuit topological structure is simple, and control is simple, shown in schematic diagram 4.Two-way DC/DC transformation
Device 4 because be it is two-way, both sides all can serve as voltage input and output, in the controller and MPPT module 2 in upper figure
Controller be it is same, can choose DSP, STM32, FPGA, PLC etc. can achieve control require controller, Q1, Q2,
Q3, Q4 are metal-oxide-semiconductors, and wherein Q1 and Q2 control signal are complementary, and Q3 is complementary with the control signal of Q4, and due to control
The signal of device can not often directly drive metal-oxide-semiconductor, and also should be in controller and metal-oxide-semiconductor in the security consideration to controller
Between be isolated, then the pwm control signal that controller exports is converted to can drive metal-oxide-semiconductor using half-bridge driven chip
Signal.In addition, input and output voltage and electric current are also to need to detect, that is, send after needing to improve voltage and current signal
Enter the A/D module of controller, is used for control algolithm operation.Specific circuit is as shown in Figures 5 to 7.
Driving and signal conditioning circuit: Fig. 5 gives IR2110 half-bridge drive circuit: the Boost circuit in MPPT module 2
A piece of IR2110 half-bridge driven chip is needed, Hin and Lin is the pwm control signal of controller output through driving circuit in upper figure
It is enlarged into the pwm control signal of the HO and LO of 12V afterwards, HO meets the V2 of Boost circuit in MPPT, and LO meets V1, and VSS meets Vss.It is two-way
In 4 module of DC/DC converter, two panels IR2110 driving chip is needed, the Hin pwm control signal for connecing controller same as Lin is defeated
Out, first HO and LO meets the Q1 and Q2 of two-way Buck-Boost circuit respectively, and second HO and LO meets Q3 and Q4 respectively;
Fig. 6 gives voltage detecting circuit, and Fig. 7 gives current detection circuit.The detection of voltage and electric current and signal
Conditioning be controller carry out control algolithm operation necessary to, this system voltage detecting is detected simultaneously using differential amplifier circuit
Voltage signal equal proportion is transformed to the A/D module acceptable voltage range (usually 0-3.3V) of controller, differential amplification
The common mode interference in circuit can be eliminated.Current detecting is detected using dedicated current detecting chip ACS712 and is converted to control
The receptible voltage signal of device institute, but the detection of voltage and current is not limited to both the above method.The input of Boost circuit is defeated
Out and the input and output of two-way Buck-Boost circuit require the detection of voltage and current.
Embodiment 2:
The working principle of the invention and operating procedure are as follows: the core of whole system is the control chip in control module 1,
When the detection signal of conductivity is within the scope of the conductance of seawater, and detects that photovoltaic panel 3 has enough energy output, mould is controlled
Block 1 exports pwm control signal, and control MPPT module 2 is with carrying out MPPT fortune according to the voltage and current signal of collected photovoltaic panel 3
It calculates, starts to carry out desalination, if the energy that photovoltaic panel 3 exports is greater than the energy that salting out tank 6 needs, so much remaining energy passes through
Two-way DC/DC converter 4 is stored in battery 5, former if the energy that photovoltaic panel 3 exports is less than energy needed for salting out tank 6
Originally the energy being stored in battery 5 is supplied to 6 desalination of salting out tank, after the completion of desalination, fresh water by two-way DC/DC converter 4
Discharge salting out tank 6, which is stored, introduces new seawater wait be further processed, and energy is recovered to electric power storage by two-way DC/DC converter 4
In pond 5, seawater becomes concentrated water at this time, and new seawater is introduced after discharge, repeats desalination.Specific steps are as shown in Figure 8.
The application method of the system of the present invention that Electro Sorb desalination is carried out using photovoltaic energy, is included the following steps:
Step 1: control module 1 acquires the conductivity signal of 10 conductivity meter 8 of salting out tank group water outlet, by detecting
Conductivity signal judge water flow concentration;
Situation one: if it is determined that the water flow of salting out tank group discharge is seawater, then two are entered step;
Situation two: if it is determined that the water flow of salting out tank group discharge is concentrated water, then opening 10 Valved discharge of water outlet and walk concentrated water,
And new seawater is introduced by water inlet 9, the judgement of step 1 again;
Situation three: if it is determined that the water flow of salting out tank group discharge is fresh water, then opening 10 valve of water outlet and collect fresh water, and
New seawater is introduced by water inlet 9, again the judgement of step 1;
Step 2: control module 1 acquires 7 voltage signal of electrode in salting out tank group, is judged whether back by voltage signal
Receive the energy of salting out tank group;
Situation one: if it is determined that the electrode 7 in salting out tank group does not have voltage, then continue the output total work for judging photovoltaic panel 3
Rate meets desalination needs, and three are entered step when meeting;
Situation two: if it is determined that the electrode 7 in salting out tank group has voltage, then start two-way DC/DC converter 4, by desalination
The energy stores of slot group are into battery 5, the judgement of step 1 again;
Step 3: starting 2 Maximum Power Output desalination of MPPT module, and pass through each circuit electricity of 1 real-time detection of control module
Stream, voltage and conductivity signal close MPPT module 2 when the charged particle on electrode 7 is saturated;Continue to repeat step 1,
Until desalination terminates.
In the step 1, when the detection signal of conductivity is within the scope of the conductance of seawater, and detect that photovoltaic panel 3 has
When enough energy exports, control module 1 exports pwm control signal, controls MPPT module 2 with the electricity according to collected photovoltaic panel 3
Current voltage signal carries out MPPT operation, starts to carry out desalination;If the energy that photovoltaic panel 3 exports is greater than the energy that salting out tank group needs
Amount, so much remaining energy is stored in battery 5 by two-way DC/DC converter 4, if the energy that photovoltaic panel 3 exports is small
The energy needed for salting out tank group, the energy being stored in battery 5 originally are supplied to desalination by two-way DC/DC converter 4
Slot group desalination, after the completion of desalination, fresh water discharge salting out tank group, which is stored, introduces new seawater wait be further processed, and passes through two-way DC/
Energy is recovered in battery 5 by DC converter 4, and seawater becomes concentrated water at this time, and new seawater is introduced after discharge, repeats desalination.
The beneficial effects of the present invention are: of the present invention carry out the system of Electro Sorb desalination using photovoltaic energy and its make
It is that main desalination energy solves the problems, such as that current Electro Sorb desalination process energy consumption is high using solar energy with method;It designs two-way
DC/DC circuit solves the regeneration of 6 electrode 7 of salting out tank and the recycling of desalination energy;Desalination processes of the invention can be direct
It puts into practical desalinator and applies according to the actual situation, entire desalination processes hardly need artificial participation, can be with
System production;Circuit structure of the present invention is simple, easy to accomplish, low in energy consumption, energy conservation and environmental protection, does not generate polluter, electricity
Concentrated water after pole 7 regenerates can go back to sea with direct emission.
The present invention can be widely used in power converter occasion.
The foregoing is merely presently preferred embodiments of the present invention and oneself, not with the present invention for limitation, it is all in essence of the invention
Made impartial modifications, equivalent substitutions and improvements etc., should be included in patent covering scope of the invention within mind and principle.
Claims (10)
1. a kind of system for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that including salting out tank group, MPPT module
(2), two-way DC/DC converter (4) and control module (1), wherein salting out tank group is made of several saltings out tank (6), each de-
Salt bath (6) includes several electrodes parallel with one another (7);Salting out tank (6) offer introduce seawater water inlet (9), draw it is light
Water/concentrated water water outlet (10) is equipped with conductivity meter (8) at water outlet (10);The MPPT module being connected with photovoltaic panel (3)
(2) it is respectively connected to electrode (7) and two-way DC/DC converter (4), electrode (7) passes through two-way DC/DC converter (4) and electric power storage
Pond (5) is connected;Control module (1) is separately connected the output of the conductivity signal output end of conductivity meter (8), MPPT module (2)
The valve at end, the output end of two-way DC/DC converter (4) and water outlet (10) and water inlet (9).
2. the system and method according to claim 1 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that
The salting out tank group is connected in series by several saltings out tank (6), is disposed with several vertical inside each salting out tank (6) and is discharged
The electrode (7) set, several electrode (7) anodes and the setting of cathode interval, in the electrode (7) of anode, in electrode (7) difference of cathode
Individually it is connected and constitutes anode, cathode.
3. the system according to claim 2 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that the water inlet
The seawater that mouth (9) flows into successively passes through the top of the electrode (7) of the leftmost side in salting out tank (6), the court under the blocking of electrode (7)
Lower flowing flows into the bottom of the adjacent electrode (7) in right side via electrode (7) bottom of the leftmost side, until the electrode (7) of the rightmost side
Bottom, and be discharged by water outlet (10);Seawater is wave-shaped forward in salting out tank (6).
4. the system according to claim 3 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that the water inlet
The charged particle for the seawater that mouthful (9) flow under the action of extra electric field to electrode (7) migrating and adsorbed and de- by electrode (7)
It is attached, fresh water is obtained by water outlet (10);When electrode (7) is saturated, under the action of reversed or revocation extra electric field, the band that is adsorbed
Charged particle falls off from electrode (7), and concentrated water is discharged by water outlet (10).
5. the system according to claim 1 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that the photovoltaic
The output end of plate (3) is connect with the input terminal of MPPT module (2), for providing input voltage to MPPT module (2);MPPT module
(2) output end is connect with electrode (7) and control module (1);Control module (1), for obtaining the output voltage of MPPT module (2)
MPPT algorithm operation is carried out after signal and output current signal and obtains the control amount of MPPT module (2), so that photovoltaic panel (3) reaches
Peak power output.
6. the system according to claim 5 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that the photovoltaic
General power needed for the output end output general power of plate (3) is greater than electrode (7) desalination, the output end of photovoltaic panel (3) pass sequentially through
MPPT module (2), two-way DC/DC converter (4) are connect with the input terminal of battery (5);The output end output of photovoltaic panel (3) is total
Power be less than electrode (7) desalination needed for general power, the output end of battery (5) pass sequentially through two-way DC/DC converter (4),
MPPT module (2) is connect with electrode (7).
7. the system and method according to claim 6 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that
Electrode (7) material includes active carbon, charcoal-aero gel, carbon nanotube.
8. the system and method according to claim 7 for carrying out Electro Sorb desalination using photovoltaic energy, which is characterized in that
The MPPT module (2), two-way DC/DC converter (4) input/output terminal be provided with voltage, current detection module.
9. a kind of made based on the system for being carried out Electro Sorb desalination described in claim 1 to 8 any one using photovoltaic energy
With method, which comprises the steps of:
Step 1: control module (1) acquires the conductivity signal of salting out tank group water outlet (10) conductivity meter (8), passes through detection
The conductivity signal arrived judges water flow concentration;
Situation one: if it is determined that the water flow of salting out tank group discharge is seawater, then two are entered step;
Situation two: if it is determined that the water flow of salting out tank group discharge is concentrated water, then opening water outlet (10) Valved discharge and walk concentrated water, and
New seawater, the again judgement of step 1 are introduced by water inlet (9);
Situation three: it if it is determined that the water flow of salting out tank group discharge is fresh water, then opens water outlet (10) valve and collects fresh water, and lead to
It crosses water inlet (9) and introduces new seawater, the again judgement of step 1;
Step 2: control module (1) acquires electrode (7) voltage signal in salting out tank group, is judged whether back by voltage signal
Receive the energy of salting out tank group;
Situation one: if it is determined that the electrode (7) in salting out tank group does not have voltage, then continue the output total work for judging photovoltaic panel (3)
Rate meets desalination needs, and three are entered step when meeting;
Situation two: if it is determined that the electrode (7) in salting out tank group has voltage, then start two-way DC/DC converter (4), by desalination
The energy stores of slot group are into battery (5), the judgement of step 1 again;
Step 3: starting MPPT module (2) Maximum Power Output desalination, and pass through each circuit electricity of control module (1) real-time detection
Stream, voltage and conductivity signal are closed MPPT module (2) when the charged particle on electrode (7) is saturated;Continue to repeat to walk
Rapid one, until desalination terminates.
10. the application method of the system according to claim 9 for being carried out Electro Sorb desalination using photovoltaic energy, feature are existed
In when the detection signal of conductivity is within the scope of the conductance of seawater, and detecting that photovoltaic panel (3) has and fill in the step 1
When sufficient energy exports, control module (1) exports pwm control signal, controls MPPT module (2) with according to collected photovoltaic panel (3)
Voltage and current signal carry out MPPT operation, start carry out desalination;If the energy of photovoltaic panel (3) output is needed greater than salting out tank group
The energy wanted, so much remaining energy is stored in battery (5) by two-way DC/DC converter (4), if photovoltaic panel (3)
Energy needed for the energy of output is less than salting out tank group, the energy being stored in battery (5) originally are converted by two-way DC/DC
Device (4) is supplied to salting out tank group desalination, and after the completion of desalination, fresh water discharge salting out tank group is stored wait be further processed, and introduces new
Energy is recovered in battery (5) by seawater by two-way DC/DC converter (4), and seawater becomes concentrated water at this time, draws after discharge
Enter new seawater, repeats desalination.
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