CN106352546A - Photovoltaic air energy water heater system - Google Patents
Photovoltaic air energy water heater system Download PDFInfo
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- CN106352546A CN106352546A CN201610709419.3A CN201610709419A CN106352546A CN 106352546 A CN106352546 A CN 106352546A CN 201610709419 A CN201610709419 A CN 201610709419A CN 106352546 A CN106352546 A CN 106352546A
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- water heater
- energy
- air
- mppt
- photovoltaic
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- H02J3/385—
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic air energy water heater system. The photovoltaic air energy water heater system comprises a photovoltaic module, a multi-mode maximum power point tracking (MPPT) grid-connected inverter and an air energy water heater, wherein the photovoltaic module is used for converting optical radiation into electric energy; the multi-mode maximum power point tracking (MPPT) grid-connected inverter is used for converting the electric energy namely direct-current electric energy into same-frequency and same-phase alternating-current electric energy of alternating currents provided by automatic tracking electric supply, and the alternating-current electric energy is provided to the air energy water heater to control work of the alternating-current electric energy; the air energy water heater receives the alternating-current electric energy and works according to control of the MPPT grid-connected inverter, by means of the inverted Carnot principle, and water is converted into hot water through hot air exchange, so that electric energy is saved. By adopting the center water supply design, multi-point stereoscopic water supply is achieved, and the defect of single-point water supply of a traditional water heater is overcome; an intelligent control panel can control the hot water to be at constant temperature, and the temperature is prevented from changing suddenly. By adopting the multi-mode maximum power point tracking grid-connected inverter, all the single algorithms are combined, the effect of making best use of the advantages and bypassing the disadvantages is achieved, and efficiency including accuracy and rapidity of the photovoltaic module is improved.
Description
Technical field
The present invention relates to photovoltaic air-source water heater technical field, more particularly, to a kind of photovoltaic air energy water heater system.
Background technology
Photovoltaic generation has the significant energy, environment benefits and economic gains, is one of top quality green energy resource, becomes at present
Technology for countries in the world common concern and the industry given priority to.Solar energy resources is extremely abundant, widely distributed, application side
Just.Greatly develop the guiding that photovoltaic generation is national policy in interior regenerative resource strategy new industry energy-saving and emission-reduction, low-carbon (LC)
Life is the consumption fashion of modern, and these conditions promote the fast development of air-source water heater.Air-source water heater will take
For electric heater, gas heater, solar water heater, become the forth generation energy-saving water heater of China's consumption of resident.Existing
Photovoltaic air-source water heater adopt single MPPT maximum power point tracking (mppt) algorithm, thinking is simple, easily realizes.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of photovoltaic air energy water heater system.
It is an object of the invention to provide a kind of photovoltaic air energy water heater system, comprising: photovoltaic module, civil power: multimode
Formula MPPT maximum power point tracking mppt combining inverter, air-source water heater；
Described photovoltaic module, is connected with described multi-mode MPPT maximum power point tracking mppt combining inverter, for by light
Radiation is converted into electric energy；
Described multi-mode MPPT maximum power point tracking mppt combining inverter, with described photovoltaic module, described civil power, described sky
Gas energy water heater is respectively connected with, and the electric energy for obtaining after the conversion of described photovoltaic module is that direct current energy is converted to automatically
Follow the tracks of the alternating current that described civil power provided with the AC energy of frequency homophase, provide described AC energy to be given to described air energy thermal
Hydrophone, controls the work of described air-source water heater；
Described air-source water heater, is connected with described multi-mode MPPT maximum power point tracking mppt combining inverter, is used for
Accept described AC energy, according to the control execution work of described multi-mode MPPT maximum power point tracking mppt combining inverter, profit
Use inverse Carnot's principle, exchanged by hot-air, be converted into hot water.
Wherein, described photovoltaic module, comprising: solar photovoltaic assembly, for being converted into electric energy by solar radiation.
Wherein, described air-source water heater, comprising:
Working cell, for accepting described AC energy, grid-connected inverse according to described multi-mode MPPT maximum power point tracking mppt
Become the control execution work of device, using inverse Carnot's principle, exchanged by hot-air, be converted into hot water；
Water supplying unit, for using central Design of Waterworks, realizing Multi-point three-dimensionalization and supplying water；
Control unit, for arranging hot water constant temperature.
Wherein, described photovoltaic air energy water heater system, also includes: data acquisition unit, for described photovoltaic air
Each equipment in energy water-heater system carries out data acquisition, and the data collecting is passed through cable network or wireless network
Mode be sent to terminal.
Wherein, described terminal, comprising: solar panels, combining inverter, air-source water heater.
The photovoltaic air energy water heater system that the present invention provides, comprising: photovoltaic module, with multi-mode MPPT maximum power point tracking
Mppt combining inverter is connected, for light radiation is converted into electric energy；Multi-mode MPPT maximum power point tracking mppt parallel network reverse
Device, is respectively connected with photovoltaic module, civil power, air-source water heater, and the electric energy for obtaining after converting through photovoltaic module is
Direct current energy is converted to the alternating current being provided from motion tracking civil power with the AC energy of frequency homophase, provides this AC energy to be given to
Air-source water heater, controls the work of air-source water heater；Air-source water heater, with multi-mode MPPT maximum power point tracking mppt simultaneously
Net inverter is connected, and is used for accepting this AC energy, according to the control of multi-mode MPPT maximum power point tracking mppt combining inverter
System execution work, using inverse Carnot's principle, is exchanged by hot-air, is converted into hot water, thus saves energy, is supplied water using central authorities
Design and intelligent control panel, using central Design of Waterworks, realize Multi-point three-dimensionalization and supply water, easily meet many places and use simultaneously
Water, it is to avoid the drawbacks of conventional water heaters single-point supplies water；Intelligent control panel can arrange hot water constant temperature, and temperature no longer neglects big neglecting
Little, the present invention adopts multi-mode MPPT maximum power point tracking mppt combining inverter, single various algorithms is combined, makes the best use of the advantages and keep away
Short, the efficiency that improve photovoltaic module includes precision, rapidity etc..
Brief description
Fig. 1, is the schematic diagram of photovoltaic air energy water heater system of the present invention.
Specific embodiment
The present invention provides a kind of photovoltaic air energy water heater system, is applied to photovoltaic air-source water heater technical field, this
The photovoltaic air energy water heater system that invention provides, comprising: photovoltaic module, grid-connected inverse with multi-mode MPPT maximum power point tracking mppt
Become device to be connected, for light radiation is converted into electric energy；Multi-mode MPPT maximum power point tracking mppt combining inverter, with photovoltaic group
Part, civil power, air-source water heater are respectively connected with, and the electric energy for obtaining after converting through photovoltaic module is direct current energy conversion
By the alternating current that provided from motion tracking civil power with the AC energy of frequency homophase, this AC energy is provided to be given to air energy thermal water
Device, controls the work of air-source water heater；Air-source water heater, with multi-mode MPPT maximum power point tracking mppt combining inverter phase
Connect, be used for accepting this AC energy, according to the control execution work of multi-mode MPPT maximum power point tracking mppt combining inverter,
Using inverse Carnot's principle, exchanged by hot-air, be converted into hot water, thus saves energy, supplied water using central authorities and design and intelligence
Control panel, using central Design of Waterworks, realizes Multi-point three-dimensionalization and supplies water, and easily meets many places and uses water simultaneously, it is to avoid passes
The drawbacks of system water heater single-point supplies water；Intelligent control panel can arrange hot water constant temperature, and temperature is no longer suddenly big or suddenly small, and the present invention adopts
With multi-mode MPPT maximum power point tracking mppt combining inverter, single various algorithms are combined, maximizes favourable factors and minimizes unfavourable ones, improve light
The efficiency of volt assembly includes precision, rapidity etc..
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The present invention provides a kind of photovoltaic air energy water heater system.
Refer to Fig. 1, Fig. 1 is the schematic diagram of photovoltaic air energy water heater system of the present invention, photovoltaic air energy thermal of the present invention
Water heater system 10, comprising: photovoltaic module 101, civil power 102, multi-mode MPPT maximum power point tracking mppt combining inverter 103, sky
Gas energy water heater 104；
Photovoltaic module 101, is connected with multi-mode MPPT maximum power point tracking mppt combining inverter 103, for by light spoke
Penetrate and be converted into electric energy；
Multi-mode MPPT maximum power point tracking mppt combining inverter 103, with photovoltaic module 101, civil power 102, air energy thermal
Hydrophone 104 is respectively connected with, and the electric energy for obtaining after converting through photovoltaic module 101 is that direct current energy is converted to from motion tracking
The alternating current that civil power 102 is provided, with the AC energy of frequency homophase, provides this AC energy to be given to air-source water heater 104, control
The work of air-source water heater 104 processed；
Air-source water heater 104, is connected with multi-mode MPPT maximum power point tracking mppt combining inverter 103, is used for connecing
By this AC energy, according to the control execution work of multi-mode MPPT maximum power point tracking mppt combining inverter 103, using inverse card
Promise principle, is exchanged by hot-air, is converted into hot water, thus saves energy, is supplied water using central authorities and designs and intelligent control panel,
Using central Design of Waterworks, realize Multi-point three-dimensionalization and supply water, easily meet many places and use water simultaneously, it is to avoid conventional water heaters list
The drawbacks of point supplies water；Intelligent control panel can arrange hot water constant temperature, and temperature is no longer suddenly big or suddenly small.
Wherein, photovoltaic module 101, comprising: solar photovoltaic assembly, for being converted into electric energy by solar radiation.
Wherein, air-source water heater 104, comprising: working cell (in figure does not indicate), water supplying unit (in figure does not indicate),
Control unit (in figure does not indicate)；
Working cell, is used for accepting this AC energy, according to multi-mode MPPT maximum power point tracking mppt combining inverter 103
Control execution work, using inverse Carnot's principle, exchanged by hot-air, be converted into hot water, thus saves energy；
Water supplying unit, for using central Design of Waterworks, realizing Multi-point three-dimensionalization and supplying water, easily meet many places simultaneously
With water, it is to avoid the drawbacks of conventional water heaters single-point supplies water；
Control unit, for arranging hot water constant temperature, temperature is no longer suddenly big or suddenly small.
Wherein, photovoltaic air energy water heater system 10 of the present invention, can also include: data acquisition unit (in figure does not indicate),
For data acquisition is carried out to each equipment in photovoltaic air energy water heater system 10 of the present invention, and by the data collecting
It is sent to terminal by way of cable network or wireless network, allow terminal use be known that photovoltaic of the present invention is empty whenever and wherever possible
Gas energy water-heater system 10 whether normal operation, and same day photovoltaic module 101 sent out the information such as the electricity of how many degree, thus reaching
To intelligentized effect, make user can include described terminal using terminal in any place, comprising: solar panels, grid-connected inverse
Become device, air-source water heater.
Deng the working condition understanding photovoltaic air energy water heater system 10 of the present invention at any time, adjust control parameter, realize
Wire management and remotely control.
Below double mode MPPT maximum power point tracking is adopted with multi-mode MPPT maximum power point tracking mppt combining inverter 103
As a example mppt combining inverter realizes maximal power tracing, illustrate to adopt double mode MPPT maximum power point tracking mppt combining inverter
Realize the changed power of maximal power tracing, comprising:
First, disturbance-observer method is by the photovoltaic module 101 of the output of this photovoltaic module 101 and last time is defeated
Go out power and compare relatively to determine and increase or decrease photovoltaic module 101 running voltage to realize MPPT maximum power point tracking mppt；As institute
Show and set at a time t1, the output of photovoltaic module 101 is p1, output signal of processor makes photovoltaic module 101 work electricity
Pressure increases δ v, and after a period of time δ t, output photovoltaic module 101 is detected in moment t2 (t2=t1+ δ t) is p2；
If δ is p (δ p=p1-p2) for photovoltaic module 101 running voltage just, should be made to continue to increase δ v, until δ p=0；If δ is p
It is negative, then photovoltaic module 101 running voltage should be made to reduce, δ v, until δ p=0；For δ v, suitable value should be chosen；As
The value of fruit δ v is too big, and the output of photovoltaic module 101 can be floated about maximum power point；If the value of δ v too little although can
Ensure that tracking accuracy, however it is necessary that more time；
2nd, conductance increment method is by comparing the conductance increment of solar panel and moment conductance come output control signal；
When the variable quantity of output conductance is equal to the negative value of output conductance, solar components are operated in maximum power point；Work as solaode
The conductance increment of plate and moment conductance and during more than 0, solar panel running voltage should be increased so as to reach peak power
Point；During when the conductance increment and moment conductance of solar panel with less than 0, solar panel running voltage should be reduced,
Reach maximum power point；Increment conductance method is that a kind of output voltage with disturbed sun battery to carry out solar cell maximum
A kind of strategy of power point tracking, it is output according to the solar cell in maximum power point is 0 to the differential of voltage
And be suggested；It can interpolate that out the relation of quiescent potential and maximum power point voltage；
Power p is had: p=iv
Simultaneously to above formula two ends to v derivation, can obtain:
Dp/dv=d (iv)/dv=i+v (di/dv)
As dp/dv ＞ 0, v is less than maximum power point voltage vmax；As dp/dv ＜ 0, v is less than maximum power point voltage
vmax；Work as dp/dv=0, v is equal to maximum power point voltage vmax；Above-mentioned three kinds of situations are substituted into above formula can obtain:
When v<during vmax, di/dv>-i/v；
As v>vmax when, di/dv<-i/v；
As v=vmax, di/dv=-i/v；
So can be according to the relation adjustment quiescent potential between di/dv and-i/v, thus realizing maximal power tracing.
The photovoltaic air energy water heater system 10 that the present invention provides, comprising: photovoltaic module 101, with multi-mode peak power
Point is followed the tracks of mppt combining inverter 103 and is connected, for light radiation is converted into electric energy；Multi-mode MPPT maximum power point tracking mppt
Combining inverter 103, is respectively connected with photovoltaic module 101, civil power 102, air-source water heater 104, for will be through photovoltaic group
After part 101 conversion, the electric energy that obtains is that direct current energy is converted to the alternating current being provided from motion tracking civil power 102 with frequency homophase
AC energy, provides this AC energy to be given to air-source water heater 104, controls the work of air-source water heater 104；Air energy thermal
Hydrophone 104, is connected with multi-mode MPPT maximum power point tracking mppt combining inverter 103, is used for accepting this AC energy, according to
The control execution work of multi-mode MPPT maximum power point tracking mppt combining inverter 103, using inverse Carnot's principle, by hot-air
Exchange, be converted into hot water, thus saves energy, supplied water using central authorities and design and intelligent control panel, using central water system
Design, realizes Multi-point three-dimensionalization and supplies water, and easily meets many places and uses water simultaneously, it is to avoid the drawbacks of conventional water heaters single-point supplies water；Intelligence
Hot water constant temperature can be set control panel, temperature is no longer suddenly big or suddenly small, the present invention adopts multi-mode MPPT maximum power point tracking
Mppt combining inverter, combines single various algorithms, maximizes favourable factors and minimizes unfavourable ones, improve photovoltaic module efficiency include precision,
Rapidity etc..
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term "comprising", " inclusion " or its any other variant are intended to contain
Comprising of lid nonexcludability, wants so that including the process of a factor of system, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, by sentence " include one,,, " key element that limits it is not excluded that
Also there is other identical element in process, method, article, equipment or the device including described key element.
For photovoltaic air energy water heater system of the present invention, the form of realization is diversified.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of photovoltaic air energy water heater system is it is characterised in that include: photovoltaic module, civil power: multi-mode maximum power point
Follow the tracks of mppt combining inverter, air-source water heater；
Described photovoltaic module, is connected with described multi-mode MPPT maximum power point tracking mppt combining inverter, for by light radiation
It is converted into electric energy；
Described multi-mode MPPT maximum power point tracking mppt combining inverter, with described photovoltaic module, described civil power, described air energy
Water heater is respectively connected with, and the electric energy for obtaining after the conversion of described photovoltaic module is that direct current energy is converted to from motion tracking
The alternating current that described civil power is provided, with the AC energy of frequency homophase, provides described AC energy to be given to described air energy thermal water
Device, controls the work of described air-source water heater；
Described air-source water heater, is connected with described multi-mode MPPT maximum power point tracking mppt combining inverter, for accepting
Described AC energy, according to the control execution work of described multi-mode MPPT maximum power point tracking mppt combining inverter, using inverse
Carnot's principle, is exchanged by hot-air, is converted into hot water.
2. photovoltaic air energy water heater system as claimed in claim 1 is it is characterised in that described photovoltaic module, comprising: the sun
Energy photovoltaic module, for being converted into electric energy by solar radiation.
3. photovoltaic air energy water heater system as claimed in claim 1 is it is characterised in that described air-source water heater, comprising:
Working cell, for accepting described AC energy, according to described multi-mode MPPT maximum power point tracking mppt combining inverter
Control execution work, using inverse Carnot's principle, exchanged by hot-air, be converted into hot water；
Water supplying unit, for using central Design of Waterworks, realizing Multi-point three-dimensionalization and supplying water；
Control unit, for arranging hot water constant temperature.
4. the photovoltaic air energy water heater system as described in claims 1 to 3 any one is it is characterised in that described photovoltaic
Air energy water heater system, also includes: data acquisition unit, for each equipment in described photovoltaic air energy water heater system
Carry out data acquisition, and the data collecting is sent to terminal by way of cable network or wireless network.
5. photovoltaic air energy water heater system as claimed in claim 4 is it is characterised in that described terminal, comprising: solar energy
Plate, combining inverter, air-source water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709419.3A CN106352546A (en) | 2016-08-23 | 2016-08-23 | Photovoltaic air energy water heater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709419.3A CN106352546A (en) | 2016-08-23 | 2016-08-23 | Photovoltaic air energy water heater system |
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| CN106352546A true CN106352546A (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610709419.3A Pending CN106352546A (en) | 2016-08-23 | 2016-08-23 | Photovoltaic air energy water heater system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109638857A (en) * | 2018-11-29 | 2019-04-16 | 国网江苏省电力有限公司南京供电分公司 | Electric heating microgrid dominant eigenvalues layered cooperative based on distributed heat pump group control stabilizes strategy |
| CN111829175A (en) * | 2020-07-14 | 2020-10-27 | 广州天空能科技有限公司 | Solar-driven air energy heat pump water heating all-in-one machine |
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